WO2018062260A1 - ワーク保持治具及びワーク保持治具へのワーク取付方法 - Google Patents
ワーク保持治具及びワーク保持治具へのワーク取付方法 Download PDFInfo
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- WO2018062260A1 WO2018062260A1 PCT/JP2017/034924 JP2017034924W WO2018062260A1 WO 2018062260 A1 WO2018062260 A1 WO 2018062260A1 JP 2017034924 W JP2017034924 W JP 2017034924W WO 2018062260 A1 WO2018062260 A1 WO 2018062260A1
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- pair
- holding jig
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1619—Apparatus for electroless plating
- C23C18/1628—Specific elements or parts of the apparatus
- C23C18/163—Supporting devices for articles to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
Definitions
- the present invention relates to a work holding jig used for electroless plating, a work attaching method to the work holding jig, and the like.
- Electroless plating unlike electrolytic plating, has the advantage that the workpiece to be plated is not only a conductor but also a non-conductor such as plastic or ceramics, unlike electroplating.
- Patent Document 1 a plurality of wiring boards are arranged vertically in a plating tank containing an electroless plating solution through a gap through which the electroless plating solution can be distributed, or suspended in a rack, and batched. Processing is disclosed (claims 1, 3 and FIG. 4).
- the object is to provide a work attachment method to a jig and a work holding jig.
- a jig body including a pair of upper lateral members, a pair of lower lateral members, and a connecting portion that couples the pair of upper lateral members and the pair of lower lateral members; A plurality of first support members supported in parallel between the pair of upper lateral members; A plurality of first clamp members which are supported by each of the plurality of first support members and clamp upper end portions of a plurality of rectangular workpieces; A plurality of second support members supported in parallel between the pair of lower lateral members; A plurality of second clamp members supported by each of the plurality of second support members and clamping lower ends of the plurality of workpieces; Have One of the plurality of first support members and the plurality of second support members relates to a work holding jig supported by the one of the pair of upper lateral members and the pair of lower lateral members so as to be movable up and down.
- each of the plurality of workpieces clamped by the plurality of first clamp members and the plurality of second clamp members has one of the plurality of first support members and the plurality of second support members being the other.
- the tension is applied by being moved away from.
- work can be arrange
- an appropriate gap through which the electroless plating solution can flow is ensured between adjacent workpieces.
- a plurality of workpieces can be batch processed by electroless plating while maintaining the plating quality.
- the force for moving one of the plurality of first support members and the plurality of second support members away from the other uses the weight of a part of the member of the jig as described later (2).
- an urging force such as a spring provided on the jig as in (3) described later
- at least an external force acting on the jig arranged in the treatment tank can be used.
- each of the plurality of second support members is guided so as to be movable up and down by the pair of lower lateral members, and a lower limit position is set by the pair of lower lateral member frames,
- Each of the plurality of workpieces may be tensioned by the weight of one of the plurality of second support members and the plurality of second clamp members supported by the one second support member.
- the weights of the plurality of second support members and the plurality of second clamp members can be applied to the lower ends of the plurality of workpieces suspended by the plurality of first clamp members.
- a plurality of workpieces can be arranged in parallel without bending without using an external force such as an urging force of a spring.
- each of the plurality of first support members is guided by the pair of upper lateral members so as to be movable up and down, and is attached upward by a biasing member such as a spring or a weight.
- a force may be applied, and a tension may be applied to each of the plurality of workpieces by the force.
- the connecting portion may include a mechanism capable of adjusting a vertical distance between the pair of upper lateral members and the pair of lower lateral members.
- the connecting portion can adjust the vertical distance between the pair of upper horizontal members and the pair of lower horizontal members by a known mechanism such as a slide mechanism and a lock mechanism, for example. It can be held by a holding jig.
- each of the plurality of first support members further includes a plurality of first holders fixed to each of the plurality of first support members and supporting the movable pieces of the plurality of first clamp members in a swingable manner.
- Each of the plurality of first holders includes a first vertical surface; The movable pieces of the plurality of first clamp members may be in contact with or separated from the first vertical surface.
- one of the pair of members sandwiching the upper end portion of the workpiece is the first vertical surface provided on the first holder that supports the movable pieces of the plurality of first clamp members so as to be swingable, thereby reducing the number of members. Decrease. Furthermore, the vertical posture of the workpiece can be ensured following the first vertical surface formed in the region facing the movable piece of the plurality of first clamp members.
- Each of the plurality of first support members includes a first vertical surface;
- the movable pieces of the plurality of first clamp members may be in contact with or separated from the first vertical surface.
- the number of members is reduced. Furthermore, the vertical posture of the workpiece can be ensured following the first vertical surface formed in the region facing the movable piece of the plurality of first clamp members.
- a plurality of second holders fixed to each of the plurality of second support members and supporting the movable pieces of the plurality of second clamp members in a swingable manner;
- Each of the plurality of second holders includes a second vertical surface;
- the movable pieces of the plurality of second clamp members may be in contact with or separated from the second vertical surface.
- one of the pair of members sandwiching the lower end portion of the workpiece is a second vertical surface provided on the second holder that supports the movable pieces of the plurality of second clamp members so as to be swingable, thereby reducing the number of members. Decrease. Furthermore, the vertical posture of the workpiece can be ensured following the second vertical surface formed in the region facing the movable piece of the plurality of second clamp members.
- Each of the plurality of second support members includes a second vertical surface;
- the movable pieces of the plurality of second clamp members may be in contact with or separated from the second vertical surface.
- the number of members is reduced by using one of the pair of members sandwiching the lower end portion of the workpiece as the second vertical surface provided on the second support member holding the plurality of second clamp members. Furthermore, the vertical posture of the workpiece can be ensured following the second vertical surface formed in the region facing the movable piece of the plurality of second clamp members. In particular, the vertical posture of the workpiece can be more reliably ensured by the upper end portion of the workpiece following the first vertical plane and the lower end portion of the workpiece following the second vertical plane. As a result, an appropriate gap through which the electroless plating solution can flow is ensured between the workpieces.
- the jig main body may have a carry-in port that allows each of the plurality of workpieces in a vertical state to horizontally move into the jig main body.
- Another aspect of the present invention is a method of attaching a plurality of workpieces to the workpiece holding jig described in (9) above, A first step in which the plurality of first clamp members held on one of the plurality of first support members is clamped by applying a first external force; One of the plurality of first clamp members and one of the plurality of second support members are moved in the vertical direction by applying a second external force, and one of the plurality of second support members is provided.
- a fifth step; Have The present invention relates to a method for attaching a workpiece to a workpiece holding jig, in which the first to fifth steps are repeatedly performed until all of the plurality of workpieces are attached to the workpiece holding jig.
- the first to third external forces are applied / released to the workpiece holding jig (first, second, fourth, and fifth steps), and the workpiece is moved horizontally in the first direction (third).
- a plurality of workpieces can be attached to the workpiece holding jig, and automation of workpiece attachment to the workpiece holding jig is facilitated.
- the workpiece holding jig is set in a second direction orthogonal to the first direction in preparation for the next workpiece to be attached to the workpiece holding jig. It is possible to further have a sixth step of horizontally moving.
- FIG. 5A to FIG. 5C are plan views of the first clamp member and the first support member, side views at the time of clamp release and clamp operation, and are diagrams for explaining the first step and the fourth step.
- 6 (A) to 6 (C) are plan views of the second clamp member and the second support member, and side views at the time of releasing the clamp and clamping, and are diagrams for explaining the second step and the fourth step. is there. It is a figure which shows the raise position of a 2nd supporting member, and is a figure explaining a 2nd process. It is a figure which shows the descent position of a 2nd supporting member, and is a figure explaining a 5th process. It is a flowchart which shows the attachment method of the workpiece
- FIG. 1 is a perspective view of a work holding jig according to an embodiment of the present invention. 1 to 4, the work holding jig 10 has a jig body 20.
- the jig body 20 includes a rectangular upper frame 30, a rectangular lower frame 40, and a connecting portion 50 that connects the upper frame 30 and the lower frame 40.
- a direction in which the workpieces W (see FIGS. 2 and 3) are carried into the jig main body 20 one by one is defined as a first direction A.
- a step movement direction of the workpiece holding jig 10 after a single workpiece W is loaded is defined as a second direction B.
- the upper frame 30 connects the first and second upper frame members 31 and 32 facing in the first direction A and the third and fourth upper frame members 33 and 34 facing in the second direction B in a square frame shape. Configured.
- the first and second upper frame members 31 and 32 facing each other in the first direction A are provided with a plurality of, for example, 20 slits 31A and 32A opened at the lower end.
- the first and second upper frame members 31 and 32 are integrally provided with hooks 31B and 32B supported by an elevating member 200 (see FIG. 3) that suspends the work holding jig 10 and raises and lowers the plating bath. Is formed.
- the upper frame members 33 and 34 of the jig body 20 are reinforcing members for forming the upper frame 30.
- the portion of the upper frame 30 does not necessarily have a frame shape, and it is only necessary to have upper frame members (a pair of upper horizontal members) 31 and 32 that are parallel to each other and at least the slits 31A and 32A are formed.
- the lower frame 40 connects the first and second lower frame members 41 and 42 opposed in the first direction A and the third and fourth lower frame members 43 and 44 opposed in the second direction B in a square frame shape. Configured.
- the first and second lower frame members 41, 42 facing each other in the first direction A are provided with a plurality of, for example, 20 slits 41A, 42A that open at the upper ends, facing the upper slits 31A, 32A. If necessary, as shown in FIG. 1, the middle of which both ends are fixed to the third and fourth lower frame members 43 and 44 at a position that bisects the distance between the first and second lower frame members 41 and 42.
- a material 45 may be provided.
- the intermediate member 45 is also provided with a slit 45A opened at the upper end at a position facing the slits 41A and 42A in the first direction A.
- the lower frame members 43 and 44 of the jig body 20 are reinforcing members for forming the lower frame 40.
- the portion of the lower frame 40 does not necessarily have a frame shape, and it is only necessary to have upper frame members (a pair of lower horizontal members) 41 and 42 that are parallel to each other and at least the slits 41A and 42A are formed.
- the connecting portion 50 that connects the upper frame 30 and the lower frame 40 includes a plurality of, for example, four vertical frame members 51 to 54 that connect the four corners of the upper frame 30 and the lower frame 40 vertically.
- the connecting portion 50 can include a reinforcing member as necessary, and includes a horizontal reinforcing member 55 and a vertical reinforcing member 56 that reinforce two surfaces facing each other in the second direction B in FIG.
- the reinforcing member may be a brace.
- reinforcing members that cross or vertically cross each surface are not disposed on two surfaces facing each other in the first direction A in FIG. 1.
- the carry-in port 60 can also be used as a carry-out port.
- the space surrounded by the second upper frame member 32, the second lower frame member 42, and the two vertical frame members 53, 54 connecting them is also not provided with a reinforcing member. When unloading, it can be used as a loading / unloading port for a jig that holds the loading tip or trailing edge of the workpiece W.
- Both ends of a plurality (20 pieces) of first support plates (first support members) 70 are inserted into the slits 31A and 32A of the first and second upper frame members 31 and 32 of the upper frame 30, respectively. 2
- the upper frame members 31 and 32 are supported (for example, fixed) so as not to fall. Accordingly, the plurality of first support plates 70 are supported in parallel between the two sides of the upper frame 30 facing in the first direction A.
- Each of the plurality of first support plates 70 supports a plurality of, for example, four first clamp members 80 that clamp the upper ends of each of the plurality of rectangular workpieces W with an urging force.
- both ends of a plurality (20 pieces) of the first support plates 70 may be supported by the slits 31A and 32A of the first and second upper frame members 31 and 32 so as to be movable up and down.
- the plurality of first support plates 70 may be urged to move upward with respect to the upper frame 30 by an urging force such as a spring.
- Both ends of a plurality (20) of second support plates (second support members) 90 are inserted into and supported by the slits 41A and 42A of the first and second lower frame members 41 and 42 of the lower frame 40. Both ends of the plurality of second support plates 90 are prevented from coming off by restriction members 46 attached to cover the slits 41A and 42A of the lower frame members 41 and 42 shown in FIG. Accordingly, the plurality of second support plates 90 are supported in parallel between the two sides of the lower frame 40 facing in the first direction A.
- the second support plate 90 is not fixed to the slits 41 ⁇ / b> A and 42 ⁇ / b> A but can be moved up and down while being guided by the slits 41 ⁇ / b> A and 42 ⁇ / b> A. Further, the bottom surfaces in the depth direction of the slits 41 ⁇ / b> A and 42 ⁇ / b> A set the lower limit position of the second support plate 90.
- Each of the plurality of second support plates 90 supports a plurality of, for example, four second clamp members 100 that clamp the lower ends of each of the plurality of workpieces W with an urging force.
- the some 2nd support plate 90 may be fixed.
- each of the plurality of second support plates 90, the plurality of second clamp members 100, and the lower end of each of the plurality of workpieces W suspended by the plurality of first clamp members 80. Can exert its own weight. This is because each of the plurality of second support plates 90 that hold the plurality of second clamp members 100 can be lifted and lowered by the slits 41A and 42A provided in the lower frame 40, and is lowered by their own weights. This is because tension is imparted to the.
- Each of the plurality of second support plates 90 in the lowered position is designed so as not to contact the bottom surfaces of the slits 41A and 42A in the depth direction. Thereby, the some workpiece
- a first holder 71 is fixed to each of the plurality of first support plates.
- the first holder 71 supports the shaft 72.
- a first clamp member (movable piece) 80 is swingably supported on the shaft 72.
- a first urging force is applied to the first clamp member 80 by a torsion coil spring 73 inserted through the shaft 72.
- the first clamp member 80 has a clamp end 82 at one end and a lever 83 at the other end.
- the first holder 71 includes a first vertical surface 74.
- the first vertical surface 74 is provided so as to locally extend downward from the first holder 71 in a region facing the clamp end 82 of the first clamp member 80 that is swingably supported by the first holder 71. Can do.
- the first clamp member 80 is in contact with and separated from the first vertical surface 74. That is, the upper end portion of the workpiece W is clamped between the clamp end 82 of the first clamp member 80 and the first vertical surface 74, and the clamped state is maintained by the first biasing force of the torsion coil spring 73.
- the clamp end 82 of the first clamp member 80 moves in a direction away from the first vertical surface 74, and the workpiece W The clamp state of is released.
- one of the pair of members sandwiching the upper end portion of the workpiece W is the first vertical surface 74 provided on the first holder 71 that swingably supports the plurality of first clamp members 80, thereby Points are reduced. Furthermore, the vertical posture of the workpiece W can be ensured following the first vertical surface 74 formed in a region facing the plurality of first clamp members 80.
- the first vertical surface 74 may be provided not on the first holder 71 but on the first support plate 70. Even in this case, the same operation and effect can be achieved.
- a second holder 91 is fixed to each of the plurality of second support plates 90.
- the second holder 91 supports the shaft 92.
- a second clamp member (movable piece) 100 is swingably supported on the shaft 92.
- the second urging force is applied to the second clamp member 100 by a torsion coil spring 93 inserted through the shaft 92.
- the second clamp member 100 has a clamp end 102 at one end and a lever 103 at the other end.
- the second holder 91 includes a second vertical surface 94.
- the second vertical surface 94 can be provided to locally extend upward from the second holder 91 in a region facing the four second clamp members 100 slidably supported by the second holder 91.
- the second clamp member 100 is in contact with and separated from the second vertical surface 94. That is, the lower end portion of the workpiece W is clamped between the clamp end 102 of the second clamp member 100 and the second vertical surface 94, and the clamped state is maintained by the second urging force of the torsion coil spring 104.
- the clamp end 102 of the second clamp member 100 moves in a direction away from the second vertical surface 94, and the workpiece W The clamp state of is released.
- one of the pair of members sandwiching the lower end portion of the workpiece W is the second vertical surface 94 provided on the second holder 91 that supports the plurality of second clamp members 100 so as to be swingable. Points are reduced. Furthermore, the vertical posture of the workpiece W can be ensured following the second vertical surface 94 formed in a region facing the plurality of second clamp members 100. In particular, the vertical posture of the workpiece W can be more reliably ensured because the upper end portion of the workpiece W follows the first vertical surface 74 and the lower end portion of the workpiece W follows the second vertical surface 94. Thereby, an appropriate gap through which the electroless plating solution can flow is ensured between the workpieces W.
- the second vertical surface 94 may be provided not on the second holder 91 but on the second support plate 90. Even in this case, the same operation and effect can be achieved.
- step 1 shown in FIG. 9 the first clamp member 80 is opened. Specifically, a plurality of first clamp members 80 held by one of the plurality of first support plates 70, for example, one first support plate 70 adjacent to the fourth upper frame member 34 of the upper frame 30 in FIG. A first external force F1 (see FIG. 5B) that resists the first urging force of the torsion coil spring 73 is applied to make it clampable.
- step 2 shown in FIG. 9 the second clamp member 100 is opened at a position where the workpiece W can be received.
- one of the plurality of second support plates 90 for example, one second support plate 90 adjacent to the fourth lower frame member 44 of the lower frame 40 in FIG. 1 is replaced with the second external force F2 shown in FIG. Is raised from the lower limit position in the slits 41A and 42 of the lower frame 40.
- a plurality of second clamp members 100 held by the second support plate 90 are subjected to a third external force F3 (see FIG. 6B) that resists the second urging force of the torsion coil spring 93. Apply to make it clampable.
- the application timings of the external forces F2 and F3 may be simultaneous or one of them may be first.
- the first step and the second step may be performed at the same time or one of them may be performed first.
- step 3 shown in FIG. 9 one workpiece W is brought into a vertical state, moved horizontally in the first direction A shown in FIG. 1, and carried into the jig body 20 from the carry-in entrance 60.
- the workpiece W can hold the conveyance leading end portion and the conveyance rear end portion, and can carry the workpiece W into the jig main body 20 without interfering with the workpiece holding jig 10.
- work W is arrange
- the lower end portion of the workpiece W is disposed between the second vertical surface 94 of one second support plate 90 and a plurality of second clamp members 100 supported by the second vertical plate 94.
- step 4 shown in FIG. 9 the first external force F1 shown in FIG. 5 and the third external force F3 shown in FIG. 6 are released, and the plurality of first clamp members 80 and the plurality of second clamp members 100 are moved. Using, the upper end part and lower end part of one workpiece
- step 5 one of the plurality of second support plates 90 is lowered by releasing the second external force F2, as shown in FIG.
- the distance between the upper and lower ends of the workpiece W is a distance L2 longer than the distance L1 shown in FIG. Therefore, tension is applied to one workpiece W.
- the workpiece W is removed from bending by applying a tension.
- step 6 shown in FIG. 9 it is determined whether all the workpieces W have been attached to the workpiece holding jig 10.
- N 20
- the determination in step 6 is YES
- the attachment of the workpiece W to the workpiece holding jig 10 is completed. If N ⁇ 20, the determination in step 6 in FIG. 9 is NO, and the first to fifth steps (steps 1 to 5) are repeatedly performed until the attachment of all the workpieces W to the workpiece holding jig 10 is completed. Is done.
- the application / release of the first to third external forces F1 to F3 (first, second, fourth, and fifth steps) to the workpiece holding jig 10 and the first direction A of the workpiece W are performed.
- a plurality of workpieces can be attached to the workpiece holding jig 10 by the horizontal movement to the workpiece (third step), and automation of the attachment of the workpiece W to the workpiece holding jig 10 is facilitated.
- step 6 shown in FIG. 9 if the determination in step 6 shown in FIG. 9 is NO, as shown in step 7 of FIG. 9, in preparation for the next work W to be attached to the work holding jig 10.
- the device for applying / releasing the first to third external forces F1 to F3 and the device for loading the workpiece W only by horizontally moving the workpiece holding jig 10 in the second direction B.
- the mounting of all the workpieces W to the workpiece holding jig 10 can be completed without requiring movement. Therefore, the structure of the work attachment device is simplified.
- the workpieces W are attached to the workpiece holding jig 10 one by one, but a plurality of workpieces W are simultaneously loaded into the jig body 20 and a plurality of workpieces W are attached at the same time. Also good.
- the lower second support plate 90 and the second clamp member 100 are lowered by their own weight to apply tension to the workpiece W, but the present invention is not limited thereto.
- the upper first support plate 70 and the first clamp member 80 may be raised with respect to the upper frame 30 by an urging force such as a spring to apply tension to the workpiece W.
- the second external force F2 illustrated in FIG. 7 is a downward external force that is applied to the first support plate 70.
- the tension applied to the workpiece W may not be applied when the workpiece W is attached to the workpiece holding jig 10, and may be applied at least when the workpiece holding jig 10 is arranged in the processing tank. Therefore, when the first support plate 70 can be raised and lowered with respect to the upper frame 30, the first support plate 70 does not necessarily have to be urged upward with respect to the upper frame 30 by an urging force such as a spring.
- the workpiece holding jig 10 may be formed so as to be able to hold workpieces W of different vertical sizes.
- the vertical frame members 51 to 54 of the connecting portion 50 can be adjusted in length in the vertical direction by a known slide mechanism and lock mechanism.
- the workpiece holding jig 10 may be formed so as to be able to hold workpieces W having different lateral sizes. In this case, if the workpiece holding jig 10 is manufactured in accordance with the maximum horizontal size of the workpiece W, a workpiece W having a smaller horizontal size can be held.
- the workpiece W having a small lateral size may be clamped by using a part of the first and second clamp members 80 and 100, or the first and second clamp members 80 and 100 at both ends in the direction A in FIG. May be movable in the A direction.
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Abstract
Description
一対の上部横部材と、一対の下部横部材と、前記一対の上部横部材及び前記一対の下部横部材を連結する連結部と、を含む治具本体と、
前記一対の上部横部材間に平行に支持される複数の第1支持部材と、
前記複数の第1支持部材の各々に支持され、矩形である複数のワークの各々の上端部をクランプする複数の第1クランプ部材と、
前記一対の下部横部材間に平行に支持される複数の第2支持部材と、
前記複数の第2支持部材の各々に支持され、前記複数のワークの各々の下端部をクランプする複数の第2クランプ部材と、
を有し、
前記複数の第1支持部材及び複数の第2支持部材の一方は、前記一対の上部横部材及び前記一対の下部横部材の一方に昇降可能に支持されるワーク保持治具に関する。
前記複数の第1ホルダーの各々は第1垂直面を含み、
前記複数の第1クランプ部材の前記可動片は、前記第1垂直面に対して接離されても良い。
前記複数の第1支持部材の各々は第1垂直面を含み、
前記複数の第1クランプ部材の可動片は前記第1垂直面に対して接離されても良い。
前記複数の第2支持部材の各々に固定され、前記複数の第2クランプ部材の可動片を揺動可能に支持する複数の第2ホルダーをさらに有し、
前記複数の第2ホルダーの各々は第2垂直面を含み、
前記複数の第2クランプ部材の前記可動片は、前記第2垂直面に対して接離されても良い。
前記複数の第2支持部材の各々は第2垂直面を含み、
前記複数の第2クランプ部材の可動片は前記第2垂直面に対して接離されても良い。
前記複数の第1支持部材の一つに保持された前記複数の第1クランプ部材を、第1外力を付与してクランプ可能な状態にする第1工程と、
前記複数の第1クランプ部材の一つ及び前記複数の第2支持部材の一つの一方を、第2外力を付与して上下方向の一方に移動させ、かつ、前記複数の第2支持部材の一つに保持された前記複数の第2クランプ部材を、第3外力を付与してクランプ可能な状態にする第2工程と、
前記複数のワークの一枚を垂直状態にして、第1方向に水平移動させて前記搬入口より前記治具本体内に搬入する第3工程と、
前記第1及び第3外力を解除して、前記複数の第1クランプ部材及び前記複数の第2クランプ部材を用いて、前記一枚のワークの上端部と下端部とをクランプする第4工程と、
前記複数の第1クランプ部材の一つ及び前記複数の第2支持部材の一つの一方を、前記第2外力の解除により前記上下方向の他方に移動させ、前記一枚のワークにテンションを付与する第5工程と、
を有し、
前記ワーク保持治具への前記複数のワークの全ての取り付けが完了するまで、前記第1~第5工程を繰り返し実施するワーク保持治具へのワーク取付方法に関する。
図1は、本発明の一実施形態に係るワーク保持治具の斜視図である。図1~図4において、ワーク保持治具10は治具本体20を有する。治具本体20は、四角形状の上枠30と、四角形状の下枠40と、上枠30及び下枠40を連結する連結部50と、を含む。なお、この治具本体20内へ一枚ずつのワークW(図2及び図3参照)を搬入する方向を第1方向Aとする。一枚のワークWが搬入された後のワーク保持治具10のステップ移動方向を第2方向Bとする。
本実施形態のワーク保持治具10にワークWを取り付ける方法について、図1及び図5~図9を参照して説明する。
2.1.第1工程
図9に示すステップ1では、第1クランプ部材80が開放状態とされる。詳しくは、複数の第1支持板70の一つ、例えば図1においてに上枠30の第4上枠部材34と隣り合う一つの第1支持板70に保持された複数の第1クランプ部材80を、捩じりコイルスプリング73の第1付勢力に抗する第1外力F1(図5(B)参照)を付与して、クランプ可能な状態にする。
図9に示すステップ2では、第2クランプ部材100がワークWを受け入れ可能な位置にて開放状態とされる。詳しくは、複数の第2支持板90の一つを、例えば図1においてに下枠40の第4下枠部材44と隣り合う一つの第2支持板90を、図7に示す第2外力F2を付与して、下枠40のスリット41A,42内での下限位置から上昇させる。さらに、その一つの第2支持板90に保持された複数の第2クランプ部材100を、捩じりコイルスプリング93の第2付勢力に抗する第3外力F3(図6(B)参照)を付与して、クランプ可能な状態にする。外力F2,F3の付与タイミングは、同時であっても、いずれか一方が先であっても良い。また、第1工程と第2工程とは、同時であっても、いずれか一方が先であっても良い。
図9に示すステップ3では、一枚のワークWを垂直状態にして、図1に示す第1方向Aに水平移動させて搬入口60より治具本体20内に搬入する。この際、ワークWは、例えば搬送先端部と搬送後端部とをそれぞれ把持して、ワーク保持治具10と干渉することなくワークWを治具本体20内に搬入することができる。これにより、ワークWの上端部は、一つの第1支持板70の第1垂直面74と、それに支持されている複数の第1クランプ部材80との間に配置される。また、ワークWの下端部は、一つの第2支持板90の第2垂直面94と、それに支持されている複数の第2クランプ部材100との間に配置される。
図9に示すステップ4では、図5に示す第1外力F1と、図6に示す第3外力F3を解除して、複数の第1クランプ部材80及び複数の第2クランプ部材100を用いて、一枚のワークWの上端部と下端部とをクランプする。第4工程終了後の状態を図7に示す。このとき、ワークWの上下端部間の距離をL1とする。
図9に示すステップ5では、複数の第2支持板90の一つを、図8に示すように第2外力F2の解除により下降させる。このとき、ワークWの上下端部間の距離は、図7に示す距離L1よりも長い距離L2となる。よって、一枚のワークWにテンションが付与される。ワークWは、テンションが付与されることで撓みが除去される。これにより、一枚のワークWのワーク保持治具10への取付が完了する。このとき、例えば図示しないカウンターがカウントアップされ、初期値N=0がN=1に変更される。
本実施形態では、図9に示すステップ6での判断がNOであれば、図9のステップ7に示すように、ワーク保持治具10へ取り付けられる次のワークWの搬入に備えて、ワーク保持治具10を図1に示す第1方向Aと直交する第2方向Bに水平移動させる第6工程をさらに有することができる。こうすると、上述の方法を自動化するにあたり、ワーク保持治具10を第2方向Bに水平移動させるだけで、第1~第3外力F1~F3を付与/解除する装置とワークWを搬入する装置とは移動を要することなく、ワーク保持治具10への全てのワークWの取り付けを完了させることができる。よって、ワーク取付装置の構造が簡易となる。
Claims (11)
- 一対の上部横部材と、一対の下部横部材と、前記一対の上部横部材及び前記一対の下部部材を連結する連結部と、を含む治具本体と、
前記一対の上部横部材間に平行に支持される複数の第1支持部材と、
前記複数の第1支持板の各々に支持され、複数のワークの各々の上端部をクランプする複数の第1クランプ部材と、
前一対の下部横部材間に平行に支持される複数の第2クランプ支持部材と、
前記複数の第2クランプ支持部材の各々に支持され、前記複数のワークの各々の下端部をクランプする複数の第2クランプ部材と、
を有し、
前記複数の第1支持部材及び複数の第2支持部材の一方は、前記一対の上部横部材及び前記一対の下部横部材の一方に昇降可能に支持されることを特徴とするワーク保持治具。 - 請求項1において、
前記複数の第2支持部材の各々は、前記一対の下部横部材に昇降可能に案内され、かつ、前記一対の下部横部材により下限位置が設定され、
前記複数のワークの各々は、前記複数の第2支持部材の一つと、該一つの第2支持部材に支持された前記複数の第2クランプ部材との自重により、テンションが付与されることを特徴とするワーク保持治具。 - 請求項1において、
前記複数の第1支持部材の各々は、前記一対の上横部材に昇降可能に案内され、かつ、上方への付勢力が付与され、
前記複数のワークの各々は、前記付勢力により、テンションが付与されることを特徴とするワーク保持治具。 - 請求項1乃至3のいずれか一項において、
前記連結部は、前記一対の上部横部材と前記一対の下部横部材との間の上下方向距離を調整可能な機構を含むことを特徴とするワーク保持治具。 - 請求項1乃至4のいずれか一項において、
前記複数の第1支持部材の各々に固定され、前記複数の第1クランプ部材の可動片を揺動可能に支持する複数の第1ホルダーをさらに有し、
前記複数の第1ホルダーの各々は第1垂直面を含み、
前記複数の第1クランプ部材の前記可動片は、前記第1垂直面に対して接離されることを特徴とするワーク保持治具。 - 請求項1乃至4のいずれか一項において、
前記複数の第1支持部材の各々は第1垂直面を含み、
前記複数の第1クランプ部材の可動片は前記第1垂直面に対して接離されることを特徴とするワーク保持治具。 - 請求項1乃至6のいずれか一項において、
前記複数の第2支持部材の各々に固定され、前記複数の第2クランプ部材の可動片を揺動可能に支持する複数の第2ホルダーをさらに有し、
前記複数の第2ホルダーの各々は第2垂直面を含み、
前記複数の第2クランプ部材の前記可動片は、前記第2垂直面に対して接離されることを特徴とするワーク保持治具。 - 請求項1乃至6のいずれか一項において、
前記複数の第2支持部材の各々は第2垂直面を含み、
前記複数の第2クランプ部材の可動片は前記第2垂直面に対して接離されることを特徴とするワーク保持治具。 - 請求項1乃至8のいずれか一項において、
前記治具本体は、垂直状態の前記複数のワークの各々を水平移動させて前記治具本体内への搬入を許容する搬入口を有することを特徴とするワーク保持治具。 - 請求項9に記載のワーク保持治具に複数のワークを取り付ける方法であって、
前記複数の第1支持部材の一つに保持された前記複数の第1クランプ部材を、第1外力を付与してクランプ可能な状態にする第1工程と、
前記複数の第1クランプ部材の一つ及び前記複数の第2支持部材の一つの一方を、第2外力を付与して上下方向の一方に移動させ、かつ、前記複数の第2支持部材の一つに保持された前記複数の第2クランプ部材を、第3外力を付与してクランプ可能な状態にする第2工程と、
前記複数のワークの一枚を垂直状態にして、第1方向に水平移動させて前記搬入口より前記治具本体内に搬入する第3工程と、
前記第1及び第3外力を解除して、前記複数の第1クランプ部材及び前記複数の第2クランプ部材を用いて、前記一枚のワークの上端部と下端部とをクランプする第4工程と、
前記複数の第1クランプ部材の一つ及び前記複数の第2支持部材の一つの一方を、前記第2外力の解除により前記上下方向の他方に移動させ、前記一枚のワークにテンションを付与する第5工程と、
を有し、
前記ワーク保持治具への前記複数のワークの全ての取り付けが完了するまで、前記第1~第5工程を繰り返し実施することを特徴とするワーク保持治具へのワーク取付方法。 - 請求項10において、
前記第5工程後に、前記ワーク保持治具へ取り付けられる次のワークの搬入に備えて、前記ワーク保持治具を前記第1方向と直交する第2方向に水平移動させる第6工程をさらに有することを特徴とするワーク保持治具へのワーク取付方法。
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