WO2014010468A1 - ワイヤソー及びそのワイヤソーによるワーク加工方法 - Google Patents
ワイヤソー及びそのワイヤソーによるワーク加工方法 Download PDFInfo
- Publication number
- WO2014010468A1 WO2014010468A1 PCT/JP2013/068113 JP2013068113W WO2014010468A1 WO 2014010468 A1 WO2014010468 A1 WO 2014010468A1 JP 2013068113 W JP2013068113 W JP 2013068113W WO 2014010468 A1 WO2014010468 A1 WO 2014010468A1
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- WIPO (PCT)
- Prior art keywords
- workpiece
- wire
- wire saw
- processing
- roller
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0633—Grinders for cutting-off using a cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/045—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
Definitions
- the present invention relates to a wire saw for cutting a workpiece made of a brittle material such as a semiconductor material, a magnetic material, and ceramics with a wire, and a workpiece processing method using the wire saw.
- the present invention relates to a wire saw and a workpiece processing method suitable for cutting a plate-like workpiece into slices.
- Patent Document 1 and Patent Document 2 Conventionally, this type of wire saw is disclosed in Patent Document 1 and Patent Document 2, for example.
- the conventional wire saws described in Patent Documents 1 and 2 have four or a pair of processing rollers extending in parallel along the horizontal direction, and each processing roller is rotatable about its axis.
- a plurality of annular grooves are formed on the outer periphery of each processing roller, and a wire is wound around the processing rollers along the annular grooves.
- a feeding device having a movable body that can be moved up and down so as to selectively approach and move away from a wire between a pair of processing rollers arranged on the upper side is provided, and a workpiece bonded to a plate is provided on the movable body. Is retained.
- the moving body of the feeding device is moved in the machining feed direction while the wire is moved around by the rotation of the machining roller. Accordingly, the workpiece is moved toward the wire between the processing rollers, and the workpiece is cut into slices by the wire. In addition, after the workpiece is cut, the moving body of the feeding device is moved so as to return to the direction opposite to the machining feed direction, so that the workpiece after cutting is moved away from the wire, and the wire moves around the wire. It is sent from the inside to the outside.
- the workpiece is a workpiece that is long along the machining feed direction
- the workpiece cut in a slice shape may crack when it comes into contact with the wire.
- An object of the present invention is to provide a wire saw capable of easily and accurately cutting a plate-shaped workpiece from the tip in the workpiece feeding direction, and a workpiece processing method using the wire saw.
- a wire is wound between a plurality of processing rollers, and the wire is moved around the processing roller by rotation of the processing roller.
- a wire saw is provided that cuts a plate-shaped workpiece with the wire at the workpiece cutting position.
- the wire saw includes a work guide unit that guides the work so that the work is moved along a work feeding direction toward the wire at the work cutting position in a standing state.
- the wire saw is disposed at a workpiece receiving position set downstream of the workpiece guiding portion in the workpiece feeding direction, and receives a workpiece cut by the wire in the standing state.
- a receiving part is provided.
- a wire is wound between a plurality of processing rollers, and the wire is moved around the processing roller by rotation of the processing roller, so that the workpiece is cut at a workpiece cutting position.
- a workpiece machining method using a wire saw that cuts a plate-like workpiece with the wire is provided.
- the workpiece is moved along the workpiece feeding direction toward the wire at the workpiece cutting position in the standing state, the workpiece is cut by the wire, and the cut workpiece is kept in the standing state, After the wire is retained inside the circulation area in which the wire moves around, the wire is carried out from the inside of the rotation area of the wire to the outer position along the axial direction of the processing roller.
- the workpiece in the standing state is fed and moved toward the wire at the workpiece cutting position by the workpiece guide, and is cut from the tip in the workpiece feeding direction by the wire.
- the cut workpiece is received by the workpiece receiving portion while maintaining the standing state at the workpiece receiving position on the downstream side in the workpiece feeding direction. Therefore, the workpiece can be stably fed and moved toward the wire between the processing rollers without fixing the workpiece to the feeder, and the workpiece after cutting can be stably received.
- the work for fixing or removing the work from the body is not necessary.
- the feeding device since the workpiece is not fixed to the moving body of the feeding device, the feeding device is not moved so as to return to the direction opposite to the machining feeding direction after the workpiece is cut. That is, unlike the conventional structure, the cut workpiece does not move again through the workpiece cutting position. Therefore, it can prevent that the cut workpiece
- the work can be fed and moved toward the wire between the processing rollers without being fixed to the feeder, and can be cut, and the cut work can be prevented from being damaged by the wire. Demonstrate.
- the perspective view which expands and shows one guide roller in the guide roller unit of FIG. The perspective view which shows the workpiece
- work guide part of FIG. The perspective view which expands and shows the workpiece
- the partial expanded sectional view which shows the press structure of the workpiece
- the wire saw has a device frame 31 including a device base 32 and a device cover 33 disposed on the device base 32.
- a front opening 34 is formed at the front and the front of the upper surface of the apparatus cover 33, and a rear opening 35 is formed at the rear and the rear surface of the upper surface of the apparatus cover 33.
- a plurality of (four in the present embodiment) front doors 36 having a substantially inverted L-shaped cross-sectional shape are attached to the front opening 34 so as to be slidable between a position where they overlap each other and a position where they extend in the left-right direction. ing.
- a plurality of (four in this embodiment) rear doors 37 having a substantially inverted L-shaped cross-sectional shape are attached to the rear opening 35 so as to be slidable between a position where they overlap each other and a position where they extend in the left-right direction. It has been.
- the right and left are the right and left in FIGS. 1 to 6, FIG. 17, FIG.
- a plurality of plate-like workpieces 49 are loaded into the apparatus frame 31 in an unprocessed state, cut and machined in the apparatus frame 31, and the processed workpieces 49 are unloaded from the apparatus frame 31.
- a front door accommodating portion 38 is provided at the left end portion of the apparatus frame 31. As shown in FIG. 3, when the unprocessed workpiece 49 is carried into the apparatus frame 31, the left three front doors 36 are stored in a state where they overlap each other in the front door storage portion 38. The left side of the opening 34 is opened. As shown in FIG.
- the three front doors 36 on the left side are stored in the front door storage unit 38 and the right end
- One front door 36 is disposed at the left end position of the front opening 34, and the right side of the front opening 34 is opened.
- a rear door accommodating portion 39 is provided at the right end of the device frame 31. As shown in FIG. 5, the entire rear opening 35 can be opened by accommodating all the rear doors 37 in the rear door accommodating portion 39 of the side end portion.
- a support bracket 41 is fixed to the upper right side of the device base 32 in the device frame 31.
- the support bracket 41 includes a pair of front and rear frames 42 and 43 made of an iron plate, and a plurality of installation members 44 that act as reinforcing members made of iron square pipes installed between the frames 42 and 43. .
- the front frame 42 is formed with an opening 421 for carrying the processed workpiece 49 forward.
- four processing rollers 45 are supported so as to be arranged at the positions of the quadrangular vertexes. That is, the four processing rollers 45 are arranged in parallel to each other along the horizontal direction at an interval between the upper and lower portions on the left side and the upper and lower portions on the right side in FIG.
- Each processing roller 45 is rotatable about its axis.
- a large number of annular grooves 46 are formed on the outer peripheral surface of each processing roller 45.
- a wire 47 is wound between the annular grooves 46 of the processing roller 45 in a wound state. 3 to 5, the internal structure of the support bracket 41 and the processing roller 45 is omitted.
- FIGS. 7 and 8 four motors 48 for directly rotating and driving the processing rollers 45 are supported on the rear surface of the rear frame 43 of the support bracket 41, respectively. Then, the processing rollers 45 are rotated in the same direction at the same speed by these motors 48, and the wires 47 move around the processing rollers 45.
- the workpiece 49 is moved toward the workpiece cutting position along the workpiece feeding direction. That is, the work 49 is horizontally moved in the right direction toward the wire 47 between the processing rollers 45 disposed on the left side above and below. At this time, the workpiece 49 is cut into slices from the tip in the feeding direction by the wire 47.
- the tension of the wire 47 between the processing rollers 45 is kept substantially constant by the respective processing rollers 45 being rotated and driven individually by a plurality of motors 48.
- a supply nozzle 50 is disposed above the work 49 at the work cutting position.
- the supply nozzle 50 supplies a machining fluid such as slurry to the wire 47 at the workpiece cutting position obliquely from above.
- the processing roller 45 disposed on the lower left side is displaced toward the right side with respect to the processing roller 45 disposed on the upper left side.
- the processing roller 45 disposed below is disposed downstream of the processing roller 45 disposed above in the workpiece feeding direction.
- the wire 47 between the processing rollers 45 disposed on the upper and lower sides on the left side is disposed in a state of being inclined toward the right side with respect to the vertical direction toward the lower side.
- each of the processing rollers 45 has a support shaft 51 extending along the axial direction thereof, and a plurality of disk-shaped members fitted on the support shaft 51 via keys 52. And a roller piece 53.
- the roller piece 53 is laminated along the axial direction of the processing roller 45 so as to be removable.
- the plurality of roller pieces 53 are arranged in parallel so as to correspond to the positions and thicknesses of the plurality of workpieces 49.
- the annular grooves 46 are formed at a predetermined pitch.
- each roller piece 53 on the support shaft 51 can be removed and replaced with a roller piece having annular grooves 46 with different widths and different pitches.
- a first wire guide 54 disposed in a wire path between one end of the left upper processing roller 45 and a reel (not shown). Is arranged. Further, a second wire guide 55 is disposed in a wire path between the other end of the upper processing roller 45 on the right side and a reel (not shown).
- a pair of guide roller units 56 are respectively arranged on the right side of the processing rollers 45 arranged above and below the right side.
- each guide roller unit 56 includes a plurality of guide rollers 57 so as to correspond to the plurality of roller pieces 53 of the processing roller 45, respectively.
- Each guide roller 57 obliquely guides the wire 47 from the roller piece 53 of the upper processing roller 45 to the roller piece 53 of the lower processing roller 45 corresponding to the roller piece 53 adjacent to the roller piece 53. .
- the number of times the wire 47 goes around each roller piece 53 is determined by the number of annular grooves 46 of the roller piece 53.
- the winding width 471 of the wire 47 of each roller piece 53 also varies depending on the number of annular grooves 46 of the roller piece 53.
- the guide roller unit 56 extends in parallel with the axis of the processing roller 45 and includes a support rod 58 made of a channel material.
- This support rod 58 is fixed to the apparatus frame 31.
- a plurality of support plates 59 respectively corresponding to the plurality of guide rollers 57 are supported by the support rod 58 so as to be movable along the extending direction of the support rod 58 (the axial direction of the processing roller 45).
- Each support plate 59 has an engagement recess 591 at its base end, and is engaged with the support rod 58 in the engagement recess 591.
- a fixed plate 60 is movably attached to the open end of the engaging recess 591 of the support plate 59 so as to selectively approach and separate from the support rod 58.
- a pair of operation levers 61 for moving and operating the fixed plate 60 is rotatably supported. Then, in a state where the support plate 59 is moved to a predetermined position on the support rod 58, by rotating both the operating levers 61, the fixed plate 60 is moved to a position where the support rod 58 is pressed, and the support plate 59 is fixed in place on the support rod 58.
- a guide groove 592 for guiding the wire 47 is formed at the tip of the support plate 59 in the guide roller unit 56.
- a substantially L-shaped planar support arm 62 is supported on the side surface of the support plate 59 via a shaft support member 63 so as to be rotatable about the axis of the guide groove 592 on the support plate 59.
- Guide grooves 621 and 631 that are aligned with the guide grooves 592 on the support plate 59 are formed at the distal end of the base of the support arm 62 and the shaft support member 63.
- the guide roller 57 is rotatably supported at the front end of the support arm 62 via a support shaft 64.
- a long hole 622 is formed in the base portion of the support arm 62 in the guide roller unit 56 so as to extend in an arc shape around the axis of the guide grooves 592, 621, 631.
- a fixing screw 65 is screwed onto the support plate 59 through a long hole 622 of the support arm 62. Then, in a state where the fixing screw 65 is loosened, the support arm 62 is rotated around the axis of the guide grooves 592, 621, 631, so that the inclination angle of the guide roller 57 changes the wire 47 on the roller piece 53. It is adjusted according to the winding width.
- the winding width of the wire 47 on the roller piece 53 corresponds to the plate thickness of the workpiece 49.
- a supply pallet that functions as a work guide for moving a plate-shaped work 49 along the work feeding direction. 67 is provided.
- a large dimension in the height direction of the apparatus frame 31 is ensured even for the long plate-like workpiece 49. Therefore, the workpiece 49 can be easily fed and moved in the lateral direction toward the workpiece cutting position.
- a support table 68 is fixed on the device base 32.
- a pair of support tables 70 are provided for removably supporting a supply pallet 67 on which a plurality of plate-like workpieces 49 are mounted.
- an engagement protrusion 71 that can be engaged with an engagement hole (not shown) formed on the bottom surface of the supply pallet 67 is provided.
- a plurality of positioning members 72 for positioning the supply pallet 67 at predetermined positions corresponding to the wires 47 between the processing rollers 45 are arranged on the upper surface of the support table 68.
- a pair of guide rods 73 for guiding the supply pallet 67 on which the work 49 is placed onto the support base 70 are projected.
- the left three front doors 36 are accommodated in the front door accommodating portion 38, and the front opening 34 is The left side is opened.
- the supply pallet 67 on which a plurality of plate-like workpieces 49 are arranged is suspended by a crane and carried into the inside from the left-side opening part of the front opening 34 of the apparatus frame 31. Then, the supply pallet 67 is placed on the support base 70 while being guided by the guide rod 73, positioned at a predetermined position by the positioning member 72, and moved onto the support base 70 by engagement with the engagement protrusion 71. Held impossible.
- the supply pallet 67 includes a guide stand 74.
- a plurality of bottom guide surfaces 741 made of ridges and a plurality of concave groove-shaped arrangement portions 742 are alternately formed.
- the bottom guide surface 741 supports the bottoms of the plurality of plate-like workpieces 49 and guides the workpieces 49 so as to slide in the right direction in parallel with each other.
- a work guide member 75 is disposed in each placement portion 742.
- a discard material 76 made of a small piece of cuttable synthetic resin is attached at the rear end in the workpiece feeding direction of each workpiece 49, that is, at the upper portion of the left end of each workpiece 49.
- This waste material 76 is bonded using a low melting point adhesive before the workpiece 49 is placed on the guide stand 74.
- a work restricting member 77 that acts as a slip-preventing member is engaged with the engaging recess 771 at the lower end on both sides and the guide table 74. Removably attached by engagement with the mating pin 78.
- the work restricting member 77 includes a restricting portion 772 for restricting the work 49 on the supply pallet 67 from sliding to the right side when the supply pallet 67 is carried into the apparatus frame 31 by a crane, and the work restricting member. And a handle 773 for attaching / detaching 77 to / from the supply pallet 67.
- each work guide member 75 of the supply pallet 67 includes a guide block 79 arranged on the arrangement part 742 of the guide table 74 at an interval.
- a side guide surface 792 for guiding the first side surface of the workpiece 49 on the bottom guide surface 741 is formed on one side surface of the guide block 79.
- the guide block 79 is fixed in the arrangement portion 742 by the wedge action of the two wedge-shaped fixing members 743 and 744. Therefore, the guide block 79 can be replaced by removing the fixing members 743 and 744.
- a plurality of types of guide blocks having different thicknesses are prepared. As shown in FIG. 19, the foremost guide block 79 is fixed on the guide stand 74 so as not to move.
- a pair of recesses 791 are formed on the upper surface of the guide block 79.
- a pressing body 80 is detachably attached by engagement between an engagement hole 801 provided on the bottom surface thereof and an engagement pin 81 projecting on the inner bottom surface of the recess 791. ing.
- a loop-shaped handle 82 for projecting and removing the pressing body 80 with respect to the concave portion 791 of the guide block 79 is projected.
- Each of the pressing bodies 80 includes a support block 83 having a pressing pin 84 that is movable in a direction perpendicular to the side surface of the workpiece 49.
- Each pressing body 80 includes a spring 85 that urges the pressing pin 84 to press toward the side surface of the workpiece 49, and a holding plate 86 that holds the pressing pin 84 and the spring 85 in the support block 83.
- the pressing pin 84 of the pressing body 80 presses the second side surface of the work 49 by the biasing force of the spring 85, and the work 49 guides between the pressing pin 84 and the side guide surface 792 of the adjacent guide block 79. Held possible.
- the guide block 79 is replaced with a guide block having a different thickness.
- the pressing body 80 can be replaced with a newly used guide block 79.
- a ball screw 87 extends along the moving direction (work feeding direction) of the work 49 on the device base 32 of the device frame 31, and its axis It is supported so that it can rotate around.
- a motor 88 for rotating the ball screw 87 is disposed on the apparatus base 32.
- a moving member 89 is screwed onto the ball screw 87 via a nut portion 891 so as to be movable relative to the ball screw 87 along the axial direction of the ball screw 87.
- At the upper end of the moving member 89 there is provided an extruded body 90 that can be joined to the discard material 76 bonded to the left end of the work 49.
- a flexible cover 91 for covering the periphery of the ball screw 87 and the motor 88 is provided.
- a workpiece receiving position is set on the downstream side of the wire 47 in the workpiece feeding direction on the right side of the upper surface of the apparatus base 32 in the apparatus frame 31.
- the workpiece receiving portion 93 for receiving the cut workpiece 49 is disposed at the workpiece receiving position. That is, the workpiece receiving portion 93 is disposed on the downstream side of the workpiece cutting position in the workpiece feeding direction.
- the workpiece receiving portion 93 and the supply pallet 67 are arranged side by side with the wire 47 between the two processing rollers 45 disposed above and below the workpiece cutting position.
- the work receiving portion 93 includes a support table 94 fixed on the apparatus base 32.
- a pair of guide rails 95 and a pair of roller conveyors 96 are laid on the upper surface of the support table 94 so as to extend in parallel in the front-rear direction perpendicular to the workpiece feeding direction.
- a carry-out table 97 is disposed outside the apparatus frame 31 and in front of the support table 94.
- the receiving pallet 100 is supported on the roller conveyors 96, 99 so as to be movable in the front-rear direction along the guide rails 95, 98.
- the receiving pallet 100 holds the workpiece 49 cut and processed in a slice shape with the feeding posture standing.
- the receiving pallet 100 is movable between the inside of the circulation area in which the wire 47 circulates and the front outside thereof.
- a cylinder 101 is disposed that acts as a carry-out member that moves the receiving pallet 100 in the front-rear direction.
- a stopper 102 for restricting the moving end position of the receiving pallet 100 is disposed.
- the receiving pallet 100 Before the workpiece 49 is cut, the receiving pallet 100 is moved and installed by the cylinder 101 to the workpiece receiving position inside the wire circulation area on the support table 94. In this state, the receiving pallet 100 receives the cut workpiece 49 in an upright state, and the cut workpiece 49 is retained inside the circumference of the wire 47. Thereafter, the receiving pallet 100 is moved forward by the cylinder 101, and the cut workpiece 49 is moved from the inner side of the circumferential region of the wire 47 toward the outer side along the axial direction of the processing roller 45, and on the carry-out table 97. Placed in.
- the receiving pallet 100 of the work receiving portion 93 includes a flat holding plate 103.
- a plurality of small pieces of holding pieces 104 for holding the workpiece 49 in a standing state in parallel are provided upright.
- the holding pieces 104 are arranged in the front-rear direction at an interval corresponding to the plate thickness of the workpiece 49 and at an interval in the left-right direction.
- work 49 is hold
- a workpiece When a workpiece is cut by this wire saw, a plurality of plate-like workpieces 49 are mounted on the supply pallet 67 in a parallel standing state, and the workpiece 49 is regulated by a workpiece regulating member 77.
- the left side of the front opening 34 of the apparatus frame 31 is opened, and the supply pallet 67 carrying the work 49 is suspended by a crane (not shown). It is carried into the device frame 31.
- the work restricting member 77 After carrying in, the work restricting member 77 is removed from the supply pallet 67. Then, the supply pallet 67 is placed on the support base 70 of the support table 68 and positioned by the positioning member 72.
- the supply pallet 67 is held immovably in its positioning state by engagement with the engagement protrusion 71.
- the workpiece 49 is placed on the bottom guide surface 741 of the supply pallet 67 and pressed against the guide surface 792 of the adjacent guide block by the pressing pin 84 of the guide block 79.
- a plurality of workpieces 49 can be placed on the bottom guide surface 741 in a stacked state.
- the width of the bottom guide surface 741 is the maximum stack thickness.
- the processing rollers 45 are synchronously rotated in the same direction by the plurality of motors 48 shown in FIGS.
- the wire 47 is moved around the processing roller 45.
- the ball screw 87 is rotated by the motor 88 and the moving member 89 is moved to the right in the figure, and a plurality of plate-like workpieces 49 on the supply pallet 67 are pushed out. It is pressed through the body 90 in the workpiece feeding direction.
- the workpieces 49 are moved in the workpiece feeding direction in parallel with each other along the bottom guide surface 741 and the side guide surface 792 on the guide pedestal 74 of the supply pallet 67.
- the workpiece 49 is moved toward the wire 47 stretched in the vertical direction between the processing rollers 45 arranged above and below at the workpiece cutting position, and is cut into a slice from the tip in the workpiece feeding direction by the wire 47. Is done. Prior to this cutting, the workpiece 49 is processed by the roller piece 53 having an appropriate width, number, and pitch of the annular groove 46 according to various conditions such as the thickness, number of sheets, cutting thickness, and arrangement interval on the supply pallet 67.
- a roller 45 is configured.
- the workpiece 49 cut by the wire 47 is held in an upright state as a feeding posture on the receiving pallet 100 of the workpiece receiving portion 93 shown in FIGS. 6 and 22 to 24.
- the workpiece 49 that has been cut is retained inside the circumference of the wire 47 around the processing roller 45.
- the right side portion of the front opening 34 of the device frame 31 is opened.
- the receiving pallet 100 is moved forward by the cylinder 101, and the cut workpiece 49 is moved from the inner side of the circumference of the wire 47 toward the outer side along the axial direction of the processing roller 45, and the carry-out table 97 is carried out.
- the cut workpiece 49 is conveyed to a subsequent process.
- the adhesive of the discarded material 76 is dissolved by warm water or the like, and the discarded material 76 is removed from the workpiece 49.
- a supply pallet 67 is provided for guiding the workpiece 49 so as to feed and move the workpiece 49 toward the wire 47 between the processing rollers 45 along the workpiece feeding direction.
- a receiving pallet 100 for receiving the cut workpiece 49 in an upright state is provided at a workpiece receiving position downstream of the workpiece cutting position in the workpiece feeding direction.
- the workpiece 49 is fed and moved in an upright state by the supply pallet 67 toward the wire 47 between the processing rollers 45, and is cut by the wire 47 from the tip in the workpiece feeding direction.
- the cut workpiece 49 is received by the receiving pallet 100 in an upright state at the workpiece receiving position on the downstream side of the wire 47 in the workpiece feeding direction. Therefore, the workpiece 49 can be fed and moved toward the wire 47 between the processing rollers 45 without being fixed to the feeder, and the work for fixing the workpiece 49 to the moving body of the feeder can be made unnecessary. it can.
- the cut workpiece 49 since it is not necessary to move the cut workpiece 49 so as to return it in the direction opposite to the machining feed direction, the cut workpiece 49 may come into contact with the wire 47 and be damaged, or the cut workpiece 49 may be broken. Can be prevented.
- the height of the processing portion on the apparatus base 32 can be reduced, and the overall height of the wire saw can be reduced.
- a pair of frames 42 and 43 facing each other is provided, and the processing roller 45 is supported between the frames 42 and 43, and for processing between the frames 42 and 43 in the vicinity of each processing roller 45.
- a reinforcing material 44 for reinforcement extending in parallel with the axis of the roller 45 is provided. Therefore, the support rigidity of the processing roller 45 is improved, and the processing accuracy can be improved.
- the lower processing roller 45 (the upper left processing roller in FIG. 6) at the workpiece cutting position is more in the direction of feeding the work than the upper processing roller 45 (the lower left processing roller in FIG. 6).
- the wire 47 between the pair of processing rollers 45 at the workpiece cutting position is inclined so as to be separated from the workpiece 49 toward the lower side with respect to the vertical line. For this reason, since the cutting load by the workpiece 49 acts obliquely on the wire 47, the possibility that the wire 47 breaks can be reduced. Further, since chips generated by cutting the workpiece fall away from the wire 47, it is useful for improving processing efficiency and processing accuracy.
- the processing roller 45 is configured by a plurality of roller pieces 53 that are detachably stacked along the axial direction thereof. Therefore, the roller piece 53 having a different width or the roller piece 53 having a different number of the annular grooves 46 can be exchanged, and it is possible to cope with a change in the thickness of the work 49 or the number of stacked layers. If any of the roller pieces 53 is damaged, it is only necessary to replace the roller piece 53, and it is not necessary to replace the entire processing roller 45.
- the wire extends from the roller piece 53 of one processing roller 45 to the roller piece 53 of another processing roller 45 corresponding to the roller piece 53 adjacent to the roller piece 53.
- Guide rollers 57 for guiding 47 are provided, and these guide rollers 57 are movable along the axial direction of the processing roller 45. For this reason, the wire travel path can be set at the position of the processing roller 45 in accordance with the width of the roller piece 53 and the number of used roller pieces 53.
- the inclination angle of the rotation axis of the guide roller 57 with respect to the axial direction of the processing roller 45 can be adjusted. Thereby, the travel route of the said wire can be set arbitrarily. Therefore, abnormal wear of the processing roller 45 and the guide roller 57 can be prevented.
- a work guide for guiding an unprocessed work is constituted by a supply pallet 67 that can be attached to and detached from the apparatus base 32. Further, a workpiece receiving portion for receiving the processed workpiece can be taken in and out of the wire saw by the roller conveyor 96, and is constituted by a receiving pallet 100 that can be attached to and detached from the roller conveyor 96. For this reason, the workpiece 49 can be mounted on the supply pallet 67 outside the wire saw, and the supply pallet 67 can be carried into the wire saw. Further, the processed workpiece 49 can be received out of the wire saw together with the pallet 100. Accordingly, it is possible to easily carry the workpiece 49 into and out of the wire saw from the wire saw without damaging the workpiece 49.
- the supply pallet 67 has a rail-shaped bottom guide surface 741 for guiding the work 49 in a slidable manner. For this reason, the workpiece 49 can be accurately slid along the bottom guide surface 741 of the supply pallet 67 in the feeding direction, and the workpiece 49 can be accurately sliced into an equal thickness.
- the workpiece receiving portion 93 includes a receiving pallet 100 for holding the workpiece 49 in an upright state. For this reason, the workpiece 49 cut by the wire 47 can be sent out from the workpiece cutting position as it is, and damage to the cut workpiece 49 can be prevented.
- a cylinder 101 which acts as a carry-out member for moving the receiving pallet 100 from the workpiece receiving position to the outer position along the axial direction of the processing roller 45. For this reason, after the workpiece 49 is cut, the workpiece receiving portion 93 that supports the workpiece 49 can be moved from the workpiece receiving position to the outer position along the axial direction of the processing roller 45. Therefore, the cut workpiece 49 can be sent out from the inside to the outside of the surrounding area of the wire 47 without interfering with the wire 47 between the processing rollers 45, and can be easily conveyed to the next process.
- the supply pallet 67 and the receiving pallet 100 are respectively arranged upstream and downstream of the workpiece cutting position in the workpiece feeding direction. For this reason, the workpiece 49 can be smoothly fed from the supply pallet 67 to the receiving pallet 100 through the workpiece cutting position, and the position of the processing area of the wire saw can be lowered.
- the supply pallet 67 is detachably provided with a workpiece regulating member 77 that regulates the position of the workpiece 49 in the workpiece feeding direction. For this reason, for example, when the supply pallet 67 is suspended by a crane, the work 49 can be prevented from sliding off the pallet 67. Further, the feed start position of the workpiece 49 can be positioned.
- the workpiece 49 on the supply pallet 67 is pressed from the rear end of the workpiece feeding direction along the workpiece feeding direction by the pushing device such as the pushing body 90 and fed toward the wire 47. For this reason, all the workpiece
- work 49 can be extruded simultaneously, and high work efficiency can be acquired.
- the front opening 34 is provided in the apparatus cover 33 of the wire saw, and the front opening 34 is continuously opened above and in front of the supply pallet 67, the supply pallet 67 can be carried in and out. It can be done easily without any trouble.
- the workpiece 49 is moved in a standing state parallel to each other toward the wire 47 between the machining rollers 45 at the workpiece cutting position.
- the workpiece 49 is cut by the wire 47 and is kept inside the circumference of the wire 47 while maintaining the standing state. Thereafter, the workpiece 49 is moved from the inner side of the circumference of the wire 47 to the outer position along the axial direction of the processing roller 45.
- the cut workpiece 49 is fed from the inside to the outside of the circumference of the wire 47 without being interfered with the wire 47 between the processing rollers 45, and the cut workpiece 49 is brought into contact with the wire 47. It can be prevented from being damaged.
- the discarded material 76 is bonded to the rear end of the workpiece 49 in the feeding direction. Then, the discarded material 76 is pushed by the pushing body 90 and the work 49 is fed and moved toward the wire 47. Therefore, the work 49 can be cut over its entire length by cutting to the position of the discarded material 76. In addition, it is possible to prevent the extruded body 90 from being damaged by the wire 47 by terminating the cutting at the position of the discard material 76.
- the number of processing rollers 45 may be two, three, or five or more.
- the receiving pallet 100 is provided outside the circumference area of the wire 47 between the processing rollers 45, and the work 49 is fed between the supply pallet 67 and the receiving pallet 100 inside the circumference area of the wire 47.
- a guide route for guidance is provided.
- the upper part on the front side of the device cover 33 may be configured to be opened only above the supply pallet 67.
- the processing roller 45 may be configured to be rotated via a chain driven by the motor.
- the four processing rollers 45 only the two processing rollers 45 on the left side (work cutting position) are directly driven by the motor, and the other processing rollers 45 follow the circumference of the wire 47 and are driven. You may comprise so that it may rotate. Alternatively, of the four processing rollers 45, three processing rollers 45 including the two left processing rollers 45 are directly driven by a motor, and the other processing rollers 45 rotate around the wire 47. It may be configured to follow and rotate following.
Abstract
Description
この実施形態は、次のように変更して具体化することも可能である。
Claims (22)
- 複数の加工用ローラの間にワイヤを巻回し、前記加工用ローラの回転により前記ワイヤを前記加工用ローラの周りに周回移動させ、ワーク切断位置にて、そのワイヤにより板状のワークを切断するワイヤソーにおいて、
前記ワークを起立状態で前記ワーク切断位置のワイヤに向かってワーク送り方向に沿って移動させるように案内するワーク案内部と、
前記ワーク送り方向において、前記ワーク案内部よりも下流側に設定されたワーク受け位置に配置されるとともに、前記ワイヤにより切断されたワークを前記起立状態のまま受けるためのワーク受け部と
を備えたことを特徴とするワイヤソー。 - 前記複数の加工用ローラは、四角形の頂点位置にそれぞれ配置された4本の加工用ローラからなることを特徴とする請求項1に記載のワイヤソー。
- 前記複数の加工用ローラのうち、2つの加工用ローラは、前記ワーク切断位置に配置され、前記ワイヤソーは、前記2つの加工用ローラをそれぞれ直接駆動する2つのモータを備えることを特徴とする請求項2に記載のワイヤソー。
- 前記ワイヤソーは、互いに対向する一対のフレームを備え、前記加工用ローラはフレームの間に支持され、各加工用ローラの近傍において前記フレームの間には加工用ローラの軸線と平行に延びる補強材が架設されることを特徴とする請求項2又は3に記載のワイヤソー。
- 前記複数の加工用ローラのうち、2つの加工用ローラは、前記ワーク切断位置において、上方および下方にそれぞれ配置され、前記ワーク送り方向は、水平方向に沿って前記ワーク切断位置に向かうように配向され、前記ワーク送り方向において、前記下方の加工用ローラは、前記上方の加工用ローラよりも下流側に配置されることを特徴とする請求項1又は2に記載のワイヤソー。
- 加工用ローラはその軸線方向に沿って、脱着可能に積層された複数のローラピースによって構成されることを特徴とする請求項1又は2に記載のワイヤソー。
- 前記ワイヤソーは、前記複数のローラピースのうちの1つのローラピースから別のローラピースに前記ワイヤを案内するためのガイドローラを備え、該ガイドローラは加工用ローラの軸線方向に沿って移動可能であることを特徴とする請求項6に記載のワイヤソー。
- 前記加工用ローラの軸線方向に対する前記ガイドローラの回転軸線の傾斜角度は調節可能であることを特徴とする請求項7に記載のワイヤソー。
- 前記複数の加工用ローラのうち、2つの加工用ローラは、前記ワーク切断位置において、上方および下方にそれぞれ配置され、前記ワーク送り方向は、水平方向に沿って前記ワーク切断位置に向かうように配向され、前記ワーク案内部及び前記ワーク受け部は、前記ワーク送り方向において、前記ワーク切断位置の上流側及び下流側にそれぞれ配置されることを特徴とする請求項2又は3に記載のワイヤソー。
- 前記ワーク案内部は、ワークの一側面を受けてワークを起立状態に規制するとともに、ワークの案内方向を規定する側部案内面と、その側部案内面に対してワークを弾性的に押圧するワーク案内部材とを有することを特徴とする請求項1又は2に記載のワイヤソー。
- 前記側部案内面と、該側部案内面に隣接する前記ワーク案内部材との間の間隔は調節可能であることを特徴とする請求項10に記載のワイヤソー。
- 前記ワーク案内部は、前記ワークの前記ワーク送り方向先端において前記ワークの移動を規制する規制位置と、そこから退避する退避位置との間において移動可能な規制部材を有することを特徴とする請求項1又は2に記載のワイヤソー。
- 前記ワイヤソーは装置ベースを備え、前記ワーク案内部は、前記装置ベース上に着脱可能なパレットによって構成されることを特徴とする請求項1又は2に記載のワイヤソー。
- 前記パレット上のワークを前記ワーク送り方向に押し出す押し出し装置を備えることを特徴とする請求項13に記載のワイヤソー。
- 前記押し出し装置は、前記ワークのワーク送り方向後端に対して接触可能な押し出し体を備え、該押し出し体によってワークを押し出すことを特徴とする請求項14に記載のワイヤソー。
- 前記パレットは、該パレットが傾斜した際に、前記ワークが前記パレットから滑落することを防止する滑落防止位置と、そこから退避する退避位置との間を移動可能な滑落防止部材を備えることを特徴とする請求項13に記載のワイヤソー。
- 前記ワーク受け部を前記ワーク受け位置から、前記加工用ローラの軸線方向に沿って外側位置に搬出するための搬出部材を備えることを特徴とする請求項1又は2に記載のワイヤソー。
- 前記ワイヤソーは、前記ワーク案内部と前記ワーク受け部とを覆う装置カバーを備え、その装置カバーは、前記ワーク案内部及び前記ワーク受け部の前方において開放されるとともに、少なくとも前記ワーク案内部の上方において開放される開放部と、該開放部を選択的に開放および閉鎖可能な扉とを備えることを特徴とする請求項1又は2に記載のワイヤソー。
- 複数の加工用ローラの間にワイヤを巻回し、前記加工用ローラの回転により前記ワイヤを前記加工用ローラの周りに周回移動させ、ワーク切断位置において、そのワイヤにより板状のワークを切断するワイヤソーによるワーク加工方法において、
前記ワークを起立状態で前記ワーク切断位置のワイヤに向かいワーク送り方向に沿って移動させて、そのワイヤにより前記ワークを切断し、
切断されたワークを前記起立状態のまま前記ワイヤが周回移動する周回域の内側に留め置いた後、そのワイヤの周回域の内側から、前記加工用ローラの軸線方向に沿って外側位置に搬出することを特徴とするワイヤソーによるワーク加工方法。 - 前記ワークの前記ワーク送り方向の後端に捨て材を接着し、その捨て材を押して前記ワークを前記ワーク送り方向に沿って移動させることを特徴とする請求項19に記載のワイヤソーによるワーク加工方法。
- ワイヤによってワークを切断する加工部と、その加工部にワークを供給するワーク案内部と、前記加工部および前記ワーク案内部を覆う装置カバーとを備え、前記加工部と前記ワーク案内部とは横方向に並設されるワイヤソーにおいて、
前記装置カバーは、前記加工部および前記ワーク案内部の前方において開放される開放部と、該開放部を選択的に開放および閉鎖可能な扉とを備えることを特徴とするワイヤソー。 - 前記ワイヤソーは、前記加工部のワイヤを巻回する複数の加工用ローラと、該複数の加工用ローラをそれぞれ単独で駆動する複数のモータとを備え、前記モータによって前記加工用ローラを回転させることにより、前記ワイヤを周回移動させて、そのワイヤにより前記ワークを切断することを特徴とする請求項21に記載のワイヤソー。
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CN104227851A (zh) * | 2014-09-23 | 2014-12-24 | 厦门银华建材机械设备有限公司 | 双股数控金刚石串珠绳锯 |
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KR102101925B1 (ko) | 2020-04-20 |
TWI597144B (zh) | 2017-09-01 |
CN104411457B (zh) | 2017-05-03 |
US20150202797A1 (en) | 2015-07-23 |
JP5996308B2 (ja) | 2016-09-21 |
CN104411457A (zh) | 2015-03-11 |
KR20150033713A (ko) | 2015-04-01 |
US9475209B2 (en) | 2016-10-25 |
TW201410424A (zh) | 2014-03-16 |
JP2014014903A (ja) | 2014-01-30 |
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