EP3800006A1 - Glass plate processing device - Google Patents
Glass plate processing device Download PDFInfo
- Publication number
- EP3800006A1 EP3800006A1 EP19835345.0A EP19835345A EP3800006A1 EP 3800006 A1 EP3800006 A1 EP 3800006A1 EP 19835345 A EP19835345 A EP 19835345A EP 3800006 A1 EP3800006 A1 EP 3800006A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass plate
- working
- face
- working head
- region
- 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.)
- Pending
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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/047—Grinding heads for working on plane surfaces
- B24B41/053—Grinding heads for working on plane surfaces for grinding or polishing glass
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
Definitions
- the present invention relates to a glass-plate working apparatus for grinding or polishing, or both grinding and polishing (hereinafter, working) an end face on one side of a glass plate or end faces on both sides of a glass plate, e.g., a rectangular glass plate, for automobile use, liquid crystal panel use for such as liquid crystal television, solar cell use, furniture use, architectural use, and the like.
- the grinding of a glass plate is carried out by a grinding apparatus disposed on a transport passage of glass plates.
- Patent Document 1 JP-A-2013-169622
- the grinding of glass plates is conventionally carried out by a grinding apparatus disposed on a transport passage of glass plates, so that it takes time and the glass plate working efficiency as a whole is poor.
- the present invention has been devised in view of the above-described aspects, and its object is to provide a glass-plate working apparatus in which the efficiency of working with respect to the end face of the glass plate is excellent, and which makes it possible to shorten the working time required therefor and is high in productivity.
- a glass-plate working apparatus in accordance with the present invention comprises: at least one first working head means for working an end face in one region of a glass plate; a first moving means for moving the at least one first working head means along the end face in the one region of the glass plate; at least one second working head means for working an end face in another region of the glass plate; and a second moving means for moving the at least one second working head means along the end face in the other region of the glass plate.
- the at least one first working head means for working the end face in the one region of the glass plate since there are provided the at least one first working head means for working the end face in the one region of the glass plate; the first moving means for moving the at least one first working head means along the end face in the one region of the glass plate; the at least one second working head means for working the end face in the other region of the glass plate; and the second moving means for moving the at least one second working head means along the end face in the other region of the glass plate, the working of the end face of the glass plate can be effected by the first working head means and the second working head means. Therefore, the efficiency of working with respect to the end face of the glass plate is high, and the working time of the operations can be shortened, making it possible to carry out glass plate working with high productivity.
- the first moving means is adapted to move the at least one first working head means along the end face in the one region of the glass plate to cause the at least one first working head means to work the end face in the one region of the glass plate
- the second moving means is adapted to move the at least one second working head means along the end face in the other region of the glass plate to cause the at least one second working head means to work the end face in the other region of the glass plate. Therefore, it is possible to shorten the time for working the end face including the one region and the other region of the glass plate, thereby making it possible to efficiently carry out the working of the end face of the glass plate.
- each of the first moving means and the second moving means is adapted to move each of the at least one first working head means and the at least one second working head means such that the at least one first working head means and the at least one second working head means approach each other or move away from each other. Therefore, it is possible to shorten the working time with respect to the end face of the glass plate.
- the at least one first working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel
- the at least one second working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel.
- the operation ranging from grinding to polishing can be performed continuously with respect to the end face including the one region and the other region of the glass plate, and the working time can be shortened, thereby making it possible to efficiently effect working for the end face of the glass plate.
- the first working head means is constituted by a plurality of first working head means
- the second working head means is constituted by a plurality of second working head means. Therefore, since working (grinding or polishing, or both grinding and polishing) with respect to the end face of the glass plate can be effected by the plurality of first working head means and the plurality of second working head means, respectively, the working time with respect to the end face including the one region and the other region of the glass plate can be made even shorter, and a glass-plate working apparatus with high productivity can be obtained.
- the present invention it is possible to provide a glass-plate working apparatus in which the efficiency of working with respect to the end face of the glass plate is excellent, and which makes it possible to shorten the working time required therefor and is high in productivity.
- a glass-plate working apparatus 1 in accordance with this embodiment is comprised of: a base 3; a supporting table 4 which is provided on the base 3 and supports, in this embodiment, a rectangular flat plate-shaped glass plate 2; a transporting means 5 which is provided on the base 3 and transports the glass plate 2 within a plane parallel to a surface of the glass plate 2, i.e., in this embodiment in an X direction which is one direction within an horizontal plane and a direction in which the glass plate 2 is transported; a working head 7 which serves as a working head means for working an end face in a region R1 as one region of an end face 6 of the glass plate 2 (the region R1 being a region from one end 8 of the end face 6 of the glass plate 2 to a working point A on the end face 6 side of the glass plate 2 in the X direction), i.e., in this embodiment for grinding the end face in the region R1 of the glass plate 2; a moving means 10 for moving the working head 7 in the
- the supporting table 4 includes a pair of sucker devices 40 each having a rectangular sucker which sucks and fixes the glass plate 2 from a reverse surface side of the glass plate 2 and extends in the X direction, as well as a supporting table body 41 which is provided on the base 3 and on an upper end of which the pair of sucker devices 40 are disposed.
- the supporting table 4 is adapted to support the glass plate 2 by sucking and fixing the glass plate 2, which has been transported by the transporting means 5, by means of the pair of sucker devices 40 at a working position with respect to the glass plate 2.
- the transporting means 5 includes a sucker device 50 having a rectangular sucker which sucks and fixes an unworked glass plate 2, which is carried in from an upstream side 100 of the glass plate 2, from the reverse surface side of the glass plate 2 and extends in the X direction; a supporting stand 51 on an upper end of which the sucker device 50 is disposed and which supports the glass plate 2; a traveling table 52 on which the supporting stand 51 is disposed and which is linearly movable (reciprocatable) in the X direction; a pair of guide rails 53 which are disposed on the base 3 and guide and support the traveling table 52 linearly movably (reciprocatably) in the X direction; and a driving means 54 for linearly moving (reciprocating) the traveling table 52 in the X direction along the guide rails 53.
- a sucker device 50 having a rectangular sucker which sucks and fixes an unworked glass plate 2, which is carried in from an upstream side 100 of the glass plate 2, from the reverse surface side of the glass plate
- the driving means 54 includes a rack 55 which is disposed on the base 3 and extends in the X direction in parallel therewith; a pinion gear 56 meshing with the rack 55; and a servo motor 57 which has an output rotating shaft (motor shaft) with the pinion gear 56 fitted at one end thereof and is mounted on the traveling table 52.
- the transporting means 5 is adapted to carry in the unworked glass plate 2 from the upstream side 100 of the glass plate 2 onto the supporting table 4 and meanwhile to carry out a worked glass plate 2 from the supporting table 4 to a downstream side 200 by moving (reciprocating) the traveling table 52 in the X direction through the rotation of the pinion gear 56 by the operation of the servo motor 57 of the driving means 54 and through the meshing of the pinion gear 56 with the rack 55.
- the respective ones of the working heads 7, 11, 14, and 18 are formed similarly to one another, and the respective ones of the moving means 10, 12, 17, and 19 are formed similarly to one another. Therefore, a detailed description will be given hereafter of the working head 7 and the moving means 10, while, as for the working heads 11, 14, and 18 and the moving means 12, 17, and 19, the same reference numerals will be given in the drawings, as required, and a detailed description thereof will be omitted.
- the working head 7 includes a grinding wheel 25 for working the end face in the region R1 of the glass plate 2, i.e., in this embodiment for grinding the end face in the region R1 of the glass plate 2; a spindle motor 26 having an output rotating shaft (motor shaft) on one end of which the grinding wheel 25 is mounted; a slide body 27 on which the spindle motor 26 is mounted and which is capable of raising and lowering the spindle motor 26 in a Z direction which is a vertical direction; a pair of guide rails 28 for guiding and supporting the slide body 27 liftably movably (reciprocatably) in the Z direction; a ball screw nut (not shown) mounted on the slide body 27 and a ball screw 29 engaged threadedly with the ball screw nut; and a raising/lowering servo motor 30 which is coupled to the ball screw 29 and effects the raising and lowering movement (reciprocating movement) of the slide body 27 in the Z direction along the pair of guide rails 28.
- a spindle motor 26 having an output rotating shaft (
- the moving means 10 includes a traveling table 60 which is linearly movable (reciprocatable) in the X direction; a pair of guide rails 62 which are disposed on the base 3 and guide and support the traveling table 60 linearly movably (reciprocatably) in the X direction; a driving means 63 for linearly moving (reciprocating) the traveling table 60 in the X direction along the guide rails 62; and a cutting amount adjusting means 64 for adjusting a cutting amount (grinding amount) in the Y direction of the grinding wheel 25 of the working head 7 with respect to the end face 6 of the glass plate 2 by linearly moving (reciprocating) the grinding head 7 in the Y direction.
- the driving means 63 includes a rack 70 which is disposed on the base 3 and extends in the X direction in parallel therewith; a pinion gear 71 meshing with the rack 70; and a servo motor 72 which has an output rotating shaft (motor shaft) with the pinion gear 71 fitted at one end thereof and is mounted on the traveling table 60.
- the moving means 10 is adapted to linearly move (reciprocate) the traveling table 60 in the X direction through the rotation of the pinion gear 71 by the operation of the servo motor 72 of the driving means 63 and through the meshing of the pinion gear 71 with the rack 70.
- the cutting amount adjusting means 64 includes a moving stand 75 on which the working head 7 is mounted and which is supported on the traveling table 60 linearly movably (reciprocatably) in the Y direction; a pair of guide rails 76 for guiding and supporting the moving stand 75 linearly movably (reciprocatably) in the Y direction; a ball screw nut (not shown) mounted on the moving stand 75 and a ball screw 77 engaged threadedly with the ball screw nut; and a servo motor 78 which is coupled to the ball screw 77 and linearly moves (reciprocates) the moving stand 75 in the Y direction along the pair of guide rails 76.
- the moving means 10 is adapted to adjust the cutting amount (grinding amount) in the Y direction of the grinding wheel 25 of the grinding head 7 with respect to the end face 6 of the glass plate 2 by moving the moving stand 75 in the Y direction by means of the ball screw 77 by the operation of the servo motor 78 of the cutting amount adjusting means 64.
- the moving means 10 and 12 are adapted to move their respective working heads 7 and 11 in such a manner as to cause the working heads 7 and 11 to approach each other or move away from each other by simultaneously starting the respective grinding operation of the grinding wheels 25 of the working heads 7 and 11 under numerical control (NC).
- NC numerical control
- the moving means 17 and 19 are adapted to move their respective working heads 14 and 18 in such a manner as to cause the working heads 14 and 18 to approach each other or move away from each other by simultaneously starting the respective grinding operation of the grinding wheels 25 of the working heads 14 and 18 under numerical control.
- the moving means 10, 12, 17, and 19 may be adapted to move their respective working heads 7, 11, 14, and 18 in such a manner as to cause the working heads 7 and 11 and the working heads 14 and 18 to approach each other or move away from each other, respectively, by simultaneously starting the respective grinding operation of the grinding wheels 25 of the working heads 7, 11, 14, and 18 under numerical control.
- the respective moving speeds in the X direction of the working heads 7 and 11 may be mutually different or identical. Further, the respective moving speeds in the X direction of the working heads 14 and 18 may be mutually different or identical. Furthermore, the respective moving speeds in the X direction of the working heads 7, 11, 14, and 18 may be mutually different or identical.
- the pair of guide rails 62 on that side of the working heads 7 and 11 are used in common for the working heads 7 and 11 and, on the side of the working heads 14 and 18 as well, the pair of guide rails 62 on that side of the working heads 14 and 18 are used in common for the working heads 14 and 18.
- the glass plate 2 carried in from the upstream side 100 is sucked and fixed by means of the sucker device 50 and is transported onto the supporting table 4 by the transporting means 5, and the unworked glass plate 2 transported by the transporting means 5 is sucked and fixed at the working position for the glass plate 2 by means of the pair of sucker devices 40.
- the working head 7 whose cutting amount (grinding amount) of the end face 6 of the glass plate 2 has been adjusted in advance, is moved by the moving means 10 in an X1 direction, which is one direction of the X direction parallel to a direction directed from the one end 8 to the other end 9 of the end face 6 of the glass plate 2 along the end face in the region R1 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 7 to grind the end face in the region R1 of the glass plate 2.
- the working head 11 whose cutting amount (grinding amount) of the end face 6 of the glass plate 2 has been adjusted in advance, is moved by the moving means 12 in an X2 direction, which is another direction of the X direction parallel to a direction directed from the other end 9 to the one end 8 of the end face 6 of the glass plate 2 along the end face in the regions R2 and R3 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 11 to grind the end face in the region R2 of the glass plate 2.
- the working head 14 whose cutting amount (grinding amount) of the end face 13 of the glass plate 2 has been adjusted in advance, is moved by the moving means 17 in the same way as the moving means 10 in the X1 direction from the one end 15 of the end face 13 of the glass plate 2 along the end face in the region R4, so as to cause the grinding wheel 25 of the working head 14 to grind the end face in the region R4 of the glass plate 2.
- the working head 18 whose cutting amount (grinding amount) of the end face 13 of the glass plate 2 has been adjusted in advance, is moved by the moving means 19 in the same way as the moving means 12 in the X2 direction from the other end 16 of the end face 13 of the glass plate 2 along the end face in the regions R5 and R6 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 18 to grind the end face in the region R5 of the glass plate 2.
- the working head 7 is moved from the working point A of the glass plate 2 in the X2 direction by the moving means 10, and during the movement of the working head 7 in the X2 direction by the moving means 10, the working head 11 is further moved by the moving means 12 in the X2 direction from the vicinity of the central portion on the end face 6 side of the glass plate 2 along the end face in the region R3 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 11 to grind the end face in the region R3 of the glass plate 2.
- the working head 14 is moved from the working point B of the glass plate 2 in the X2 direction by the moving means 17, and during the movement of the working head 14 in the X2 direction by the moving means 17, the working head 18 is further moved by the moving means 19 in the X2 direction from the vicinity of the central portion on the end face 13 side of the glass plate 2 along the end face in the region R6 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 18 to grind the end face in the region R6 of the glass plate 2.
- the working head 7 is further moved in the X2 direction by the moving means 10, and during the movement of the working head 7 in the X2 direction by the moving means 10, the working head 11 is moved from the working point A of the glass plate 2 in the X1 direction by the moving means 12, to thereby return the working heads 7 and 11 to the positions shown in Fig. 6 by the moving means 10 and 12, respectively.
- the working head 14 is further moved in the X2 direction by the moving means 17, and during the movement of the working head 14 in the X2 direction by the moving means 17, the working head 18 is moved from the working point B of the glass plate 2 in the X1 direction by the moving means 19, to thereby return the working heads 14 and 19 to the positions shown in Fig. 6 by the moving means 17 and 19, respectively.
- the glass plate 2 After the return of the working heads 7, 11, 14, and 19, the glass plate 2, whose both end faces 6 and 13 (the respective end faces in the regions R1, R2, and R3 and the regions R4, R5, and R6) have been ground, is carried out by the transporting means 5 from the supporting table 4 to the downstream side 200 while being sucked and fixed by means of the sucker device 50.
- the moving means 10 allows the end face in the region R1 of the glass plate 2 to be ground by the grinding wheel 25 of the working head 7, while the moving means 12 allows the end face in the respective regions R2 and R3 of the glass plate 2 to be ground by the grinding wheel 25 of the working head 11, to thereby effect the grinding of the end face 6 of the glass plate 2.
- the moving means 17 allows the end face in the region R4 of the glass plate 2 to be ground by the grinding wheel 25 of the working head 14, while the moving means 19 allows the end face in the respective regions R5 and R6 of the glass plate 2 to be ground by the grinding wheel 25 of the working head 18, to thereby effect the grinding of the end face 13 of the glass plate 2.
- the moving means 10 and the moving means 12 are respectively adapted to move the working head 7 in the X1 direction along the end face in the region R1 of the glass plate 2 and move the working head 11 in the X2 direction along the end face in the region R2 of the glass plate 2, respectively, so as to cause the working head 7 and the working head 11 to approach each other.
- the moving means 17 and the moving means 19 are respectively adapted to move the working head 14 in the X1 direction along the end face in the region R4 of the glass plate 2 and move the working head 18 in the X2 direction along the end face in the region R5 of the glass plate 2, respectively, so as to cause the working head 14 and the working head 18 to approach each other.
- the moving means 10 is adapted to move the working head 7 in the X1 direction along the end face in the region R1 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 7 to grind the end face in the region R1 of the glass plate 2, while the moving means 12 is adapted to move the working head 11 in the X2 direction along the end face in the regions R2 and R3 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 11 to grind the end face in the respective regions R2 and R3 of the glass plate 2, so as to effect the grinding of the end face 6 of the glass plate 2.
- the moving means 17 is adapted to move the working head 14 in the X1 direction along the end face in the region R4 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 14 to grind the end face in the region R4 of the glass plate 2
- the moving means 19 is adapted to move the working head 18 in the X2 direction along the end face in the regions R5 and R6 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 18 to grind the end face in the respective regions R5 and R6 of the glass plate 2, so as to effect the grinding of the end face 13 of the glass plate 2.
- the following arrangement may be adopted in substitution for this arrangement. As shown in Figs.
- the moving means 10 is adapted to move the working head 7 from the working point A of the glass plate 2 in the X2 direction along the end face in the region R1 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 7 to grind the end face in the region R1 of the glass plate 2
- the moving means 12 is adapted to move the working head 11 from the working point A of the glass plate 2 in the X1 direction along the end face in the regions R3 and R2 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 11 to grind the end face in the regions R3 and R2 of the glass plate 2, so as to effect the grinding of the end face 6 of the glass plate 2.
- the moving means 17 is adapted to move the working head 14 from the working point B of the glass plate 2 in the X2 direction along the end face in the region R4 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 14 to grind the end face in the region R4 of the glass plate 2
- the moving means 19 is adapted to move the working head 18 from the working point B of the glass plate 2 in the X1 direction along the end face in the regions R6 and R5 of the glass plate 2 to thereby cause the grinding wheel 25 of the working head 18 to grind the end face in the regions R6 and R5 of the glass plate 2, so as to effect the grinding of the end face 13 of the glass plate 2.
- the working head 7 is moved by the moving means 10 from the one end 8 of the end face 6 of the glass plate 2 to the working point A of the glass plate 2 in a state of noncontact with the end face in the region R1 of the glass plate 2, and during the movement of the working head 7 in the X1 direction from the one end 8 of the end face 6 of the glass plate 2 to the working point A of the glass plate 2 by the moving means 10, the working head 11 is moved by the moving means 12 from the other end 9 of the end face 6 of the glass plate 2 to the vicinity of the central portion on the end face 6 side of the glass plate 2 in a state of noncontact with the end face in the regions R2 and R3 of the glass plate 2.
- the working head 14 is moved by the moving means 17 in the same way as the moving means 10 from the one end 15 of the end face 13 of the glass plate 2 to the working point B of the glass plate 2 in a state of noncontact with the end face in the region R4 of the glass plate 2, and during the movement of the working head 14 in the X1 direction from the one end 15 of the end face 13 of the glass plate 2 to the working point B of the glass plate 2 by the moving means 17, the working head 18 is moved by the moving means 19 in the same way as the moving means 12 from the other end 16 of the end face 13 of the glass plate 2 to the vicinity of the central portion on the end face 13 side of the glass plate 2 in a state of noncontact with the end face in the regions R5 and R6 of the glass plate 2.
- the moving stand 75 of the moving means 10 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 10 so as to cause the grinding wheel 25 of the working head 7 to be brought into contact with the glass plate 2 and grind the vicinity of the working point A of the glass plate 2.
- the moving stand 75 of the moving means 17 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 17 so as to cause the grinding wheel 25 of the working head 14 to be brought into contact with the glass plate 2 and grind the vicinity of the working point B of the glass plate 2.
- the grinding wheel 25 of the working head 7 is moved by the moving means 10 in the X2 direction from the working point A of the glass plate 2 along the end face in the region R1 of the glass plate 2 in a state of contact with the glass plate 2, to thereby grind a part of the end face in the region R1 by the grinding wheel 25 of the working head 7.
- the moving stand 75 of the moving means 12 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 12 so as to cause the grinding wheel 25 of the working head 11 to be brought into contact with the working point A of the glass plate 2.
- the grinding wheel 25 of the working head 14 is moved by the moving means 17 in the X2 direction from the working point B of the glass plate 2 along the end face in the region R4 of the glass plate 2 in a state of contact with the glass plate 2, to thereby grind a part of the end face in the region R4 by the grinding wheel 25 of the working head 14.
- the moving stand 75 of the moving means 19 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 19 so as to cause the grinding wheel 25 of the working head 18 to be brought into contact with the working point B of the glass plate 2.
- the working head 7 is further moved in the X2 direction along the end face in the region R1 of the glass plate 2 by the moving means 10, so as to cause the grinding wheel 25 of the working head 7 to grind the end face in the remaining region of the region R1 of the glass plate 2.
- the working head 11 is moved by the moving means 12 in the X1 direction from the working point A of the glass plate 2 along the end face in the regions R3 and R2 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 11 to grind the end face in the regions R2 and R3 of the glass plate 2, and the working heads 7 and 11 are respectively returned to the positions shown in Fig.
- the working head 14 is further moved in the X2 direction along the end face in the region R4 of the glass plate 2 by the moving means 17, so as to cause the grinding wheel 25 of the working head 14 to grind the end face in the remaining region of the region R4 of the glass plate 2.
- the working head 18 is moved by the moving means 19 in the X1 direction from the working point B of the glass plate 2 along the end face in the regions R6 and R5 of the glass plate 2, so as to cause the grinding wheel 25 of the working head 18 to grind the end face in the regions R5 and R6 of the glass plate 2, and the working heads 14 and 18 are respectively returned to the positions shown in Fig. 10 by the moving means 17 and 19.
- the glass plate 2 After the return of the working heads 7, 11, 14, and 19, the glass plate 2, whose both end faces 6 and 13 have been ground, is transported and carried out by the transporting means 5 from the supporting table 4 to the downstream side 200 while being sucked and fixed by means of the sucker device 50.
- the glass-plate working apparatus 1 in accordance with this embodiment is comprised of: the base 3; the supporting table 4 which is provided on the base 3 and supports the glass plate 2; the transporting means 5 which is provided on the base 3 and transports the glass plate 2 in the X direction; the working head 7 for grinding the end face in the region R1 of one end face 6 of the glass plate 2; the moving means 10 for moving the working head 7 in the X direction along the end face in the region R1 of the glass plate 2; the working head 11 for grinding the end face in the regions R2 and R3 of the glass plate 2; the moving means 12 for moving the working head 11 in the X direction along the end face in the regions R2 and R3 of the glass plate 2; the working head 14 for grinding the end face in the region R4 of the glass plate 2; the moving means 17 for moving the working head 14 in the X direction along the end face in the region R4 of the glass plate 2; the working head 18 for grinding the end face in the regions R5 and R6 of the glass plate 2; and the moving means 19
- the moving stand 75 of the moving means 10 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 10, so as to move the grinding wheel 25 of the working head 7 away from the end face 6 of the glass plate 2.
- the grinding wheel 25 of the working head 7 is moved in the X2 direction from the working point A of the glass plate 2 in a state of noncontact with the end face in the region R1 of the glass plate 2.
- the moving stand 75 of the moving means 17 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 17, so as to move the grinding wheel 25 of the working head 14 away from the end face 13 of the glass plate 2.
- the grinding wheel 25 of the working head 14 is moved in the X2 direction from the working point B of the glass plate 2 in a state of noncontact with the end face in the region R4 of the glass plate 2.
- an arrangement may be provided such that the respective grinding wheels 25 of the working heads 7 and 14 are not moved away from the end face 6 and the end face 13, respectively, of the glass plate 2, and are moved in the X2 direction by operating the respective servo motors 72 of the moving means 10 and 17.
- the moving stand 75 of the moving means 12 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 12, so as to move the grinding wheel 25 of the working head 11 away from the end face 6 of the glass plate 2.
- the grinding wheel 25 of the working head 11 is moved in the X1 direction from the working point A of the glass plate 2 in a state of noncontact with the end face in the regions R3 and R2 of the glass plate 2.
- the moving stand 75 of the moving means 19 is moved in the Y direction by operating the servo motor 78 of the cutting amount adjusting means 64 of the moving means 19, so as to move the grinding wheel 25 of the working head 18 away from the end face 13 of the glass plate 2.
- the grinding wheel 25 of the working head 18 is moved in the X1 direction from the working point B of the glass plate 2 in a state of noncontact with the end face in the regions R6 and R5 of the glass plate 2.
- an arrangement may be provided such that the respective grinding wheels 25 of the working heads 11 and 18 are not moved away from the end face 6 and the end face 13, respectively, of the glass plate 2, and are moved in the X1 direction by operating the respective servo motors 72 of the moving means 12 and 19.
- polishing may be performed with respect to both end faces 6 and 13 of the glass plate 2 in a separate process (online or offline) on the downstream side 200 of the glass-plate working apparatus 1 in accordance with this embodiment.
- polishing may be performed with respect to both end faces 6 and 13 of the glass plate 2 by another working head having a polishing wheel, and the other working head may be comprised of a similar arrangement to those of the moving means 10, 12, 17, and 19 and the working heads 7, 11, 14, and 18 in accordance with this embodiment.
- each of the working heads 7, 11, 14, and 18 has the grinding wheel 25, and in the case where polishing is performed with respect to both end faces 6 and 13 of the glass plate 2, each of the working heads 7, 11, 14, and 18 may have a polishing wheel in substitution for the grinding wheel 25.
- each of the working heads 7, 11, 14, and 18 has the grinding wheel 25, and in the case where grinding and polishing are consecutively performed with respect to both end faces 6 and 13 of the glass plate 2, each of the working heads 7, 11, 14, and 18 may further have a polishing wheel in addition to the grinding wheel 25.
- each of the working heads 7, 11, 14, and 18 since each of the working heads 7, 11, 14, and 18 is provided with the grinding wheel 25 and the polishing wheel, it is unnecessary to perform polishing with respect to both end faces 6 and 13 of the glass plate 2 in the separate process (online or offline), and the operation ranging from grinding to polishing can be performed continuously with respect to both end faces 6 and 13 of the glass plate 2, thereby making it possible to shorten the working time in grinding and polishing.
- Each of the working heads 7, 11, 14, and 18 has the grinding wheel 25 or the polishing wheel, or the grinding wheel 25 and the polishing wheel. However, by combining these grinding wheel(s) 25 and the polishing wheel(s), each of the working heads 7, 11, 14, and 18 may have, for example, the grinding wheel 25 and a plurality of polishing wheels, or a plurality of grinding wheels 25 and a polishing wheel, or a plurality of grinding wheels 25 and a plurality of polishing wheels.
- each of the working heads 7, 11, 14, and 18 may be comprised of pluralities of working heads 7, 11, 14, and 18. According to the glass-plate working apparatus 1 having such pluralities of working heads 7, 11, 14, and 18, grinding or polishing, or both grinding and polishing, can be performed with respect to both end faces 6 and 13 of the glass plate 2 by the pluralities of working heads 7, 11, 14, and 18, the working time with respect to both end faces 6 and 13 of the glass plate 2 can be made even shorter, and the glass-plate working apparatus 1 with high productivity can be obtained.
- Each of the pluralities of working heads 7, 11, 14, and 18 may have any one of at least one grinding wheel 25 or at least one polishing wheel, or at least one grinding wheel 25 and at least one polishing wheel.
- each of the moving means 10, 12, 17, and 19 and the working heads 7, 11, 14, and 18 may be numerically controlled independently, or each of the moving means 10, 12, 17, and 19 and the working heads 7, 11, 14, and 18 may be numerically controlled synchronously.
- both end faces 6 and 13 of the glass plate 2 may be ground respectively continuously.
- each of both end faces 6 and 13 of the glass plate 2 is adapted to be ground, working may be provided for either one end face between both end faces 6 and 13 of the glass plate 2 .
- each of the working heads 7 and 11 effects working of the end face in the respective regions R1, R2 and R3 of the glass plate 2 by moving in the X direction along the end face in the region R1 and the regions R2 and R3 of the glass plate 2, while each of the working heads 14 and 18 effects working of the end face in the respective regions R3, R4, and R6 of the glass plate 2 by moving in the X direction along the end face in the region R4 and the regions R5 and R6 of the glass plate 2.
- an arrangement may be provided such that, as the servo motors 72 of the driving means 63 of the moving means 10, 12, 17, and 19 and the servo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the respective ones of the working heads 7, 11, 14, and 18 may be moved in the X direction and the Y direction (made to undergo XY plane coordinate movement) along the end face in the regions R1, R2, and R3 and the regions R4, R5, and R6 of the glass plate 2 so as to effect working of both end faces 6 and 13 of the glass plate 2, e.g., working of curves with respect to both end faces 6 and 13 of the glass plate 2.
- the working point A of the glass plate 2 is provided on the one end 8 side of the glass plate 2
- the working point A may be provided on the other end 9 side of the glass plate 2, or the vicinity of a central portion on the end face 6 side of the glass plate 2, or a central portion in the X direction of the end face 6 of the glass plate 2 (this central portion being located between the one end 8 and the other end 9 of the end face 6 of the glass plate 2 in the X direction).
- the working point B of the glass plate 2 is provided on the one end 15 side of the glass plate 2, in the same way as the working point A, the working point B may be provided on the other end 16 side of the glass plate 2, or the vicinity of a central portion on the end face 13 side of the glass plate 2, or a central portion in the X direction of the end face 13 of the glass plate 2 (this central portion being located between the one end 15 and the other end 16 of the end face 13 of the glass plate 2 in the X direction). In each case, it is possible to shorten the working time of the grinding or polishing, or both grinding and polishing, of the glass plate 2.
- the glass plate 2 has a rectangular flat plate shape, and the glass plate 2 may alternatively have any shape among an elliptical shape, a circular shape, a polygonal shape, a square shape, a quadrilateral shape, and the like.
- the working heads 7, 11, 14, and 18 are also capable of effecting corner cutting (cornering) of four corners of the glass plate 2 (the one end 8 and the other end 9 of the end face 6 of the glass plate 2 and the one end 15 and the other end 16 of the end face 13 of the glass plate 2).
- the working heads 7, 11, 14, and 18 may effect chamfering of the glass plate 2 together with the working of both end faces 6 and 13 of the glass plate 2, or may effect chamfering together with corner cutting of four corners of the glass plate 2.
- the driving means 54 of the transporting means 5 includes the rack 55 which is disposed on the base 3 and extends in the X direction in parallel therewith; the pinion gear 56 meshing with the rack 55; and the servo motor 57 which has the output rotating shaft (motor shaft) with the pinion gear 56 fitted at one end thereof and is mounted on the traveling table 52.
- the driving means 54 may include a ball screw nut, a ball screw engaged threadedly with the ball screw nut, and a servo motor which is coupled to the ball screw, in which case the transporting means 5 is capable of transporting the glass plate 2 more precisely with respect to the supporting table 4.
- the driving means 63 of each of the moving means 10, 12, 17, and 19 includes the rack 70 which is disposed on the traveling table 60 and extends in the X direction in parallel therewith; the pinion gear 71 meshing with the rack 70; and the servo motor 72 which has the output rotating shaft (motor shaft) with the pinion gear 71 fitted at one end thereof and is mounted on the traveling table 60.
- the driving means 63 may include a ball screw nut, a ball screw engaged threadedly with the ball screw nut, and a servo motor which is coupled to the ball screw, in which case each of the moving means 10, 12, 17, and 19 is capable of effecting working more precisely by each of the working heads 7, 11, 14, and 18 in the working of the glass plate 2.
- an arrangement may be provided such that, as the servo motors 72 of the driving means 63 of the moving means 10 and 12 and the servo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the end face in the region R1 of the glass plate 2 and the end face in the respective regions R2 and R3 of the glass plate 2 are simultaneously worked.
- an arrangement may be provided such that, as the servo motors 72 of the driving means 63 of the moving means 17 and 19 and the servo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the end face in the region R4 of the glass plate 2 and the end face in the respective regions R5 and R6 of the glass plate 2 are simultaneously worked.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
Description
- The present invention relates to a glass-plate working apparatus for grinding or polishing, or both grinding and polishing (hereinafter, working) an end face on one side of a glass plate or end faces on both sides of a glass plate, e.g., a rectangular glass plate, for automobile use, liquid crystal panel use for such as liquid crystal television, solar cell use, furniture use, architectural use, and the like.
- Conventionally, the grinding of a glass plate, for example, is carried out by a grinding apparatus disposed on a transport passage of glass plates.
- Patent Document 1:
JP-A-2013-169622 - Incidentally, the grinding of glass plates is conventionally carried out by a grinding apparatus disposed on a transport passage of glass plates, so that it takes time and the glass plate working efficiency as a whole is poor.
- The present invention has been devised in view of the above-described aspects, and its object is to provide a glass-plate working apparatus in which the efficiency of working with respect to the end face of the glass plate is excellent, and which makes it possible to shorten the working time required therefor and is high in productivity.
- A glass-plate working apparatus in accordance with the present invention comprises: at least one first working head means for working an end face in one region of a glass plate; a first moving means for moving the at least one first working head means along the end face in the one region of the glass plate; at least one second working head means for working an end face in another region of the glass plate; and a second moving means for moving the at least one second working head means along the end face in the other region of the glass plate.
- According to the glass-plate working apparatus in accordance with the present invention, since there are provided the at least one first working head means for working the end face in the one region of the glass plate; the first moving means for moving the at least one first working head means along the end face in the one region of the glass plate; the at least one second working head means for working the end face in the other region of the glass plate; and the second moving means for moving the at least one second working head means along the end face in the other region of the glass plate, the working of the end face of the glass plate can be effected by the first working head means and the second working head means. Therefore, the efficiency of working with respect to the end face of the glass plate is high, and the working time of the operations can be shortened, making it possible to carry out glass plate working with high productivity.
- With the glass-plate working apparatus in accordance with the present invention, in a preferred embodiment, the first moving means is adapted to move the at least one first working head means along the end face in the one region of the glass plate to cause the at least one first working head means to work the end face in the one region of the glass plate, and the second moving means is adapted to move the at least one second working head means along the end face in the other region of the glass plate to cause the at least one second working head means to work the end face in the other region of the glass plate. Therefore, it is possible to shorten the time for working the end face including the one region and the other region of the glass plate, thereby making it possible to efficiently carry out the working of the end face of the glass plate.
- In another embodiment of the glass-plate working apparatus in accordance with the present invention, each of the first moving means and the second moving means is adapted to move each of the at least one first working head means and the at least one second working head means such that the at least one first working head means and the at least one second working head means approach each other or move away from each other. Therefore, it is possible to shorten the working time with respect to the end face of the glass plate.
- In still another embodiment of the glass-plate working apparatus in accordance with the present invention, the at least one first working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel, and the at least one second working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel. Therefore, for example, in a case where the at least one first working head means has the at least one grinding wheel and the at least one polishing wheel, and the at least one second working head means has the at least one grinding wheel and the at least one polishing wheel, the operation ranging from grinding to polishing can be performed continuously with respect to the end face including the one region and the other region of the glass plate, and the working time can be shortened, thereby making it possible to efficiently effect working for the end face of the glass plate.
- In a further embodiment of the glass-plate working apparatus in accordance with the present invention, the first working head means is constituted by a plurality of first working head means, and the second working head means is constituted by a plurality of second working head means. Therefore, since working (grinding or polishing, or both grinding and polishing) with respect to the end face of the glass plate can be effected by the plurality of first working head means and the plurality of second working head means, respectively, the working time with respect to the end face including the one region and the other region of the glass plate can be made even shorter, and a glass-plate working apparatus with high productivity can be obtained.
- According to the present invention, it is possible to provide a glass-plate working apparatus in which the efficiency of working with respect to the end face of the glass plate is excellent, and which makes it possible to shorten the working time required therefor and is high in productivity.
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Fig. 1 is an explanatory plane view of an embodiment of the invention; -
Fig. 2 is an explanatory right side view of the embodiment shown inFig. 1 ; -
Fig. 3 is a diagram for explaining the operation of the embodiment shown inFig. 1 ; -
Fig. 4 is a diagram for explaining the operation of the embodiment shown inFig. 1 ; -
Fig. 5 is a diagram for explaining the operation of the embodiment shown inFig. 1 ; -
Fig. 6 is a diagram for explaining the operation of the embodiment shown inFig. 1 ; -
Fig. 7 is a diagram for explaining the operation of another variation of the embodiment shown inFig. 1 ; -
Fig. 8 is a diagram for explaining the operation of the other variation of the embodiment shown inFig. 1 ; -
Fig. 9 is a diagram for explaining the operation of the other variation of the embodiment shown inFig. 1 ; and -
Fig. 10 is a diagram for explaining the operation of the other variation of the embodiment shown inFig. 1 . - Next, a more detailed description will be given of the present invention on the basis of a preferred embodiment illustrated in the drawings. It should be noted that the present invention is not limited to the embodiment.
- In
Figs. 1 to 10 , a glass-plate working apparatus 1 in accordance with this embodiment is comprised of: abase 3; a supporting table 4 which is provided on thebase 3 and supports, in this embodiment, a rectangular flat plate-shaped glass plate 2; a transportingmeans 5 which is provided on thebase 3 and transports theglass plate 2 within a plane parallel to a surface of theglass plate 2, i.e., in this embodiment in an X direction which is one direction within an horizontal plane and a direction in which theglass plate 2 is transported; a workinghead 7 which serves as a working head means for working an end face in a region R1 as one region of anend face 6 of the glass plate 2 (the region R1 being a region from oneend 8 of theend face 6 of theglass plate 2 to a working point A on theend face 6 side of theglass plate 2 in the X direction), i.e., in this embodiment for grinding the end face in the region R1 of theglass plate 2; a moving means 10 for moving the workinghead 7 in the X direction along the end face in the region R1 of theglass plate 2; a workinghead 11 which, in the same way as the workinghead 7, serves as a working head means for working an end face in a region R2 as another region of theend face 6 of the glass plate 2 (the region R2 being a region from anotherend 9 of theend face 6 of theglass plate 2 to a vicinity of a central portion on theend face 6 side of theglass plate 2 in the X direction) and a region R3 (the region R3 being a remaining region obtained by subtracting the regions R1 and R2 from the entire region of theend face 6 of the glass plate 2), i.e., in this embodiment for grinding the end face in the regions R2 and R3 of theglass plate 2; a movingmeans 12 for moving the workinghead 11 in the X direction along the end face in the regions R2 and R3 of theglass plate 2; a workinghead 14 which serves as a working head means for working an end face in a region R4 as one region of anotherend face 13 of theglass plate 2 opposing theend face 6 of theglass plate 2 in another direction intersecting the one direction within the horizontal plane, i.e., in this embodiment in a Y direction perpendicular to the X direction (the region R4 being a region from oneend 15 of theend face 13 of theglass plate 2 to a working point B on theend face 13 side of theglass plate 2 in the X direction), i.e., in this embodiment for grinding the end face in the region R4 of theglass plate 2; a movingmeans 17 for moving the workinghead 14 in the X direction along the end face in the region R4; a workinghead 18 which, in the same way as the workinghead 14, serves as a working head means for working an end face in a region R5 as another region of theend face 13 of the glass plate 2 (the region R5 being a region from anotherend 16 of theend face 13 of theglass plate 2 to a vicinity of a central portion on theend face 13 side of theglass plate 2 in the X direction) and a region R6 (the region R6 being a remaining region obtained by subtracting the regions R4 and R5 from the entire region of theend face 13 of the glass plate 2), i.e., in this embodiment for grinding the end face in the regions R5 and R6 of theglass plate 2; and a moving means 19 for moving the workinghead 18 in the X direction along the regions R5 and R6. - The supporting table 4 includes a pair of
sucker devices 40 each having a rectangular sucker which sucks and fixes theglass plate 2 from a reverse surface side of theglass plate 2 and extends in the X direction, as well as a supportingtable body 41 which is provided on thebase 3 and on an upper end of which the pair ofsucker devices 40 are disposed. The supporting table 4 is adapted to support theglass plate 2 by sucking and fixing theglass plate 2, which has been transported by thetransporting means 5, by means of the pair ofsucker devices 40 at a working position with respect to theglass plate 2. - The
transporting means 5 includes asucker device 50 having a rectangular sucker which sucks and fixes anunworked glass plate 2, which is carried in from anupstream side 100 of theglass plate 2, from the reverse surface side of theglass plate 2 and extends in the X direction; a supportingstand 51 on an upper end of which thesucker device 50 is disposed and which supports theglass plate 2; a traveling table 52 on which the supportingstand 51 is disposed and which is linearly movable (reciprocatable) in the X direction; a pair ofguide rails 53 which are disposed on thebase 3 and guide and support the traveling table 52 linearly movably (reciprocatably) in the X direction; and a driving means 54 for linearly moving (reciprocating) the traveling table 52 in the X direction along theguide rails 53. - The driving means 54 includes a
rack 55 which is disposed on thebase 3 and extends in the X direction in parallel therewith; apinion gear 56 meshing with therack 55; and a servo motor 57 which has an output rotating shaft (motor shaft) with thepinion gear 56 fitted at one end thereof and is mounted on the traveling table 52. Concerning theglass plate 2 sucked and fixed by means of thesucker device 50, the transportingmeans 5 is adapted to carry in theunworked glass plate 2 from theupstream side 100 of theglass plate 2 onto the supporting table 4 and meanwhile to carry out a workedglass plate 2 from the supporting table 4 to adownstream side 200 by moving (reciprocating) the traveling table 52 in the X direction through the rotation of thepinion gear 56 by the operation of the servo motor 57 of the driving means 54 and through the meshing of thepinion gear 56 with therack 55. - The respective ones of the
working heads means head 7 and the moving means 10, while, as for theworking heads means - The working
head 7 includes agrinding wheel 25 for working the end face in the region R1 of theglass plate 2, i.e., in this embodiment for grinding the end face in the region R1 of theglass plate 2; aspindle motor 26 having an output rotating shaft (motor shaft) on one end of which thegrinding wheel 25 is mounted; aslide body 27 on which thespindle motor 26 is mounted and which is capable of raising and lowering thespindle motor 26 in a Z direction which is a vertical direction; a pair ofguide rails 28 for guiding and supporting theslide body 27 liftably movably (reciprocatably) in the Z direction; a ball screw nut (not shown) mounted on theslide body 27 and aball screw 29 engaged threadedly with the ball screw nut; and a raising/loweringservo motor 30 which is coupled to theball screw 29 and effects the raising and lowering movement (reciprocating movement) of theslide body 27 in the Z direction along the pair ofguide rails 28. - The moving
means 10 includes a traveling table 60 which is linearly movable (reciprocatable) in the X direction; a pair ofguide rails 62 which are disposed on thebase 3 and guide and support the traveling table 60 linearly movably (reciprocatably) in the X direction; a driving means 63 for linearly moving (reciprocating) the traveling table 60 in the X direction along theguide rails 62; and a cutting amount adjusting means 64 for adjusting a cutting amount (grinding amount) in the Y direction of thegrinding wheel 25 of the workinghead 7 with respect to theend face 6 of theglass plate 2 by linearly moving (reciprocating) thegrinding head 7 in the Y direction. - The driving means 63 includes a
rack 70 which is disposed on thebase 3 and extends in the X direction in parallel therewith; apinion gear 71 meshing with therack 70; and aservo motor 72 which has an output rotating shaft (motor shaft) with thepinion gear 71 fitted at one end thereof and is mounted on the traveling table 60. The movingmeans 10 is adapted to linearly move (reciprocate) the traveling table 60 in the X direction through the rotation of thepinion gear 71 by the operation of theservo motor 72 of the driving means 63 and through the meshing of thepinion gear 71 with therack 70. - The cutting amount adjusting means 64 includes a moving
stand 75 on which the workinghead 7 is mounted and which is supported on the traveling table 60 linearly movably (reciprocatably) in the Y direction; a pair ofguide rails 76 for guiding and supporting the movingstand 75 linearly movably (reciprocatably) in the Y direction; a ball screw nut (not shown) mounted on the movingstand 75 and aball screw 77 engaged threadedly with the ball screw nut; and aservo motor 78 which is coupled to theball screw 77 and linearly moves (reciprocates) the movingstand 75 in the Y direction along the pair ofguide rails 76. The movingmeans 10 is adapted to adjust the cutting amount (grinding amount) in the Y direction of thegrinding wheel 25 of thegrinding head 7 with respect to theend face 6 of theglass plate 2 by moving the movingstand 75 in the Y direction by means of theball screw 77 by the operation of theservo motor 78 of the cutting amount adjusting means 64. - The moving
means working heads working heads grinding wheels 25 of theworking heads - In the same way as the moving means 10 and 12, the moving
means working heads working heads grinding wheels 25 of theworking heads - In addition, the moving means 10, 12, 17, and 19 may be adapted to move their respective
working heads working heads working heads grinding wheels 25 of theworking heads - The respective moving speeds in the X direction of the
working heads working heads working heads - On the side of the
working heads guide rails 62 on that side of theworking heads working heads working heads guide rails 62 on that side of theworking heads working heads - Referring to
Figs. 3 to 6 , a description will be given of an embodiment of the method of working theglass plate 2 by the glass-plate working apparatus 1 in accordance with the above-described embodiment. - As shown in
Fig. 3 , in the working of bothend faces shaped glass plate 2, theglass plate 2 carried in from theupstream side 100 is sucked and fixed by means of thesucker device 50 and is transported onto the supporting table 4 by thetransporting means 5, and theunworked glass plate 2 transported by thetransporting means 5 is sucked and fixed at the working position for theglass plate 2 by means of the pair ofsucker devices 40. - Next, as shown in
Figs. 3 and 4 , with respect to theglass plate 2 sucked and fixed at the working position for theglass plate 2 by means of the pair ofsucker devices 40, the workinghead 7, whose cutting amount (grinding amount) of theend face 6 of theglass plate 2 has been adjusted in advance, is moved by the movingmeans 10 in an X1 direction, which is one direction of the X direction parallel to a direction directed from the oneend 8 to theother end 9 of theend face 6 of theglass plate 2 along the end face in the region R1 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 7 to grind the end face in the region R1 of theglass plate 2. During the movement in the X1 direction of the workinghead 7 by the movingmeans 10, the workinghead 11, whose cutting amount (grinding amount) of theend face 6 of theglass plate 2 has been adjusted in advance, is moved by the movingmeans 12 in an X2 direction, which is another direction of the X direction parallel to a direction directed from theother end 9 to the oneend 8 of theend face 6 of theglass plate 2 along the end face in the regions R2 and R3 of theglass plate 2, so as to cause the grindingwheel 25 of the workinghead 11 to grind the end face in the region R2 of theglass plate 2. Meanwhile, the workinghead 14, whose cutting amount (grinding amount) of theend face 13 of theglass plate 2 has been adjusted in advance, is moved by the movingmeans 17 in the same way as the moving means 10 in the X1 direction from the oneend 15 of theend face 13 of theglass plate 2 along the end face in the region R4, so as to cause thegrinding wheel 25 of the workinghead 14 to grind the end face in the region R4 of theglass plate 2. During the movement in the X1 direction of the workinghead 14 by the movingmeans 17, the workinghead 18, whose cutting amount (grinding amount) of theend face 13 of theglass plate 2 has been adjusted in advance, is moved by the movingmeans 19 in the same way as the moving means 12 in the X2 direction from theother end 16 of theend face 13 of theglass plate 2 along the end face in the regions R5 and R6 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 18 to grind the end face in the region R5 of theglass plate 2. - As shown in
Fig. 5 , after the grinding of the region R1 and the region R2 of theglass plate 2 and the region R4 and the region R5 of theglass plate 2, the workinghead 7 is moved from the working point A of theglass plate 2 in the X2 direction by the movingmeans 10, and during the movement of the workinghead 7 in the X2 direction by the movingmeans 10, the workinghead 11 is further moved by the moving means 12 in the X2 direction from the vicinity of the central portion on theend face 6 side of theglass plate 2 along the end face in the region R3 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 11 to grind the end face in the region R3 of theglass plate 2. Meanwhile, the workinghead 14 is moved from the working point B of theglass plate 2 in the X2 direction by the movingmeans 17, and during the movement of the workinghead 14 in the X2 direction by the movingmeans 17, the workinghead 18 is further moved by the moving means 19 in the X2 direction from the vicinity of the central portion on theend face 13 side of theglass plate 2 along the end face in the region R6 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 18 to grind the end face in the region R6 of theglass plate 2. - As shown in
Fig. 6 , after the grinding of the end face in the regions R1, R2, and R3 of theglass plate 2 by the movingmeans head 7 is further moved in the X2 direction by the movingmeans 10, and during the movement of the workinghead 7 in the X2 direction by the movingmeans 10, the workinghead 11 is moved from the working point A of theglass plate 2 in the X1 direction by the movingmeans 12, to thereby return the workingheads Fig. 6 by the movingmeans glass plate 2 by the movingmeans head 14 is further moved in the X2 direction by the movingmeans 17, and during the movement of the workinghead 14 in the X2 direction by the movingmeans 17, the workinghead 18 is moved from the working point B of theglass plate 2 in the X1 direction by the movingmeans 19, to thereby return the working heads 14 and 19 to the positions shown inFig. 6 by the movingmeans - After the return of the working
heads glass plate 2, whose both end faces 6 and 13 (the respective end faces in the regions R1, R2, and R3 and the regions R4, R5, and R6) have been ground, is carried out by the transporting means 5 from the supporting table 4 to thedownstream side 200 while being sucked and fixed by means of thesucker device 50. - The moving means 10 allows the end face in the region R1 of the
glass plate 2 to be ground by the grindingwheel 25 of the workinghead 7, while the movingmeans 12 allows the end face in the respective regions R2 and R3 of theglass plate 2 to be ground by the grindingwheel 25 of the workinghead 11, to thereby effect the grinding of theend face 6 of theglass plate 2. Meanwhile, the movingmeans 17 allows the end face in the region R4 of theglass plate 2 to be ground by the grindingwheel 25 of the workinghead 14, while the movingmeans 19 allows the end face in the respective regions R5 and R6 of theglass plate 2 to be ground by the grindingwheel 25 of the workinghead 18, to thereby effect the grinding of theend face 13 of theglass plate 2. - In this embodiment, in the grinding of the end face in each of the region R1 of the
glass plate 2 by the grindingwheel 25 of the workinghead 7 and the region R2 of theglass plate 2 by the grindingwheel 25 of the workinghead 11, the movingmeans 10 and the moving means 12 are respectively adapted to move the workinghead 7 in the X1 direction along the end face in the region R1 of theglass plate 2 and move the workinghead 11 in the X2 direction along the end face in the region R2 of theglass plate 2, respectively, so as to cause the workinghead 7 and the workinghead 11 to approach each other. - In this embodiment, in the grinding of the end face in each of the region R4 of the
glass plate 2 by the grindingwheel 25 of the workinghead 14 and the region R5 of theglass plate 2 by the grindingwheel 25 of the workinghead 18, the movingmeans 17 and the moving means 19 are respectively adapted to move the workinghead 14 in the X1 direction along the end face in the region R4 of theglass plate 2 and move the workinghead 18 in the X2 direction along the end face in the region R5 of theglass plate 2, respectively, so as to cause the workinghead 14 and the workinghead 18 to approach each other. - In this embodiment, the moving
means 10 is adapted to move the workinghead 7 in the X1 direction along the end face in the region R1 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 7 to grind the end face in the region R1 of theglass plate 2, while the movingmeans 12 is adapted to move the workinghead 11 in the X2 direction along the end face in the regions R2 and R3 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 11 to grind the end face in the respective regions R2 and R3 of theglass plate 2, so as to effect the grinding of theend face 6 of theglass plate 2. Meanwhile, the movingmeans 17 is adapted to move the workinghead 14 in the X1 direction along the end face in the region R4 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 14 to grind the end face in the region R4 of theglass plate 2, while the movingmeans 19 is adapted to move the workinghead 18 in the X2 direction along the end face in the regions R5 and R6 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 18 to grind the end face in the respective regions R5 and R6 of theglass plate 2, so as to effect the grinding of theend face 13 of theglass plate 2. On the other hand, the following arrangement may be adopted in substitution for this arrangement. As shown inFigs. 7 to 10 , the movingmeans 10 is adapted to move the workinghead 7 from the working point A of theglass plate 2 in the X2 direction along the end face in the region R1 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 7 to grind the end face in the region R1 of theglass plate 2, while the movingmeans 12 is adapted to move the workinghead 11 from the working point A of theglass plate 2 in the X1 direction along the end face in the regions R3 and R2 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 11 to grind the end face in the regions R3 and R2 of theglass plate 2, so as to effect the grinding of theend face 6 of theglass plate 2. Meanwhile, the movingmeans 17 is adapted to move the workinghead 14 from the working point B of theglass plate 2 in the X2 direction along the end face in the region R4 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 14 to grind the end face in the region R4 of theglass plate 2, while the movingmeans 19 is adapted to move the workinghead 18 from the working point B of theglass plate 2 in the X1 direction along the end face in the regions R6 and R5 of theglass plate 2 to thereby cause thegrinding wheel 25 of the workinghead 18 to grind the end face in the regions R6 and R5 of theglass plate 2, so as to effect the grinding of theend face 13 of theglass plate 2. - Referring to
Figs. 7 to 10 , a description will be given of another embodiment of the method of working theglass plate 2 by the glass-plate working apparatus 1 in accordance with the above-described embodiment. - As shown in
Figs. 7 and 8 , with respect to theglass plate 2 sucked and fixed at the working position for theglass plate 2 by means of the pair ofsucker devices 40, the workinghead 7 is moved by the moving means 10 from the oneend 8 of theend face 6 of theglass plate 2 to the working point A of theglass plate 2 in a state of noncontact with the end face in the region R1 of theglass plate 2, and during the movement of the workinghead 7 in the X1 direction from the oneend 8 of theend face 6 of theglass plate 2 to the working point A of theglass plate 2 by the movingmeans 10, the workinghead 11 is moved by the moving means 12 from theother end 9 of theend face 6 of theglass plate 2 to the vicinity of the central portion on theend face 6 side of theglass plate 2 in a state of noncontact with the end face in the regions R2 and R3 of theglass plate 2. Meanwhile, the workinghead 14 is moved by the moving means 17 in the same way as the moving means 10 from the oneend 15 of theend face 13 of theglass plate 2 to the working point B of theglass plate 2 in a state of noncontact with the end face in the region R4 of theglass plate 2, and during the movement of the workinghead 14 in the X1 direction from the oneend 15 of theend face 13 of theglass plate 2 to the working point B of theglass plate 2 by the movingmeans 17, the workinghead 18 is moved by the moving means 19 in the same way as the moving means 12 from theother end 16 of theend face 13 of theglass plate 2 to the vicinity of the central portion on theend face 13 side of theglass plate 2 in a state of noncontact with the end face in the regions R5 and R6 of theglass plate 2. - As shown in
Fig. 8 , after the movement of the workingheads stand 75 of the movingmeans 10 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 10 so as to cause thegrinding wheel 25 of the workinghead 7 to be brought into contact with theglass plate 2 and grind the vicinity of the working point A of theglass plate 2. Meanwhile, after the movement of the working heads 14 and 18, by using the moving means 17, the movingstand 75 of the movingmeans 17 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 17 so as to cause thegrinding wheel 25 of the workinghead 14 to be brought into contact with theglass plate 2 and grind the vicinity of the working point B of theglass plate 2. - As shown in
Fig. 9 , after the grinding of the vicinity of the working point A of theglass plate 2 by the workinghead 7, the grindingwheel 25 of the workinghead 7 is moved by the moving means 10 in the X2 direction from the working point A of theglass plate 2 along the end face in the region R1 of theglass plate 2 in a state of contact with theglass plate 2, to thereby grind a part of the end face in the region R1 by the grindingwheel 25 of the workinghead 7. During the movement of the workinghead 7 in the X2 direction by the movingmeans 10, by using the moving means 12, the movingstand 75 of the movingmeans 12 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 12 so as to cause thegrinding wheel 25 of the workinghead 11 to be brought into contact with the working point A of theglass plate 2. Meanwhile, after the grinding of the vicinity of the working point B of theglass plate 2 by the workinghead 14, the grindingwheel 25 of the workinghead 14 is moved by the moving means 17 in the X2 direction from the working point B of theglass plate 2 along the end face in the region R4 of theglass plate 2 in a state of contact with theglass plate 2, to thereby grind a part of the end face in the region R4 by the grindingwheel 25 of the workinghead 14. During the movement of the workinghead 14 in the X2 direction by the movingmeans 17, by using the moving means 19, the movingstand 75 of the movingmeans 19 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 19 so as to cause thegrinding wheel 25 of the workinghead 18 to be brought into contact with the working point B of theglass plate 2. - As shown in
Figs. 9 and 10 , the workinghead 7 is further moved in the X2 direction along the end face in the region R1 of theglass plate 2 by the movingmeans 10, so as to cause thegrinding wheel 25 of the workinghead 7 to grind the end face in the remaining region of the region R1 of theglass plate 2. During the movement of the workinghead 7 in the X2 direction by the movingmeans 10, the workinghead 11 is moved by the moving means 12 in the X1 direction from the working point A of theglass plate 2 along the end face in the regions R3 and R2 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 11 to grind the end face in the regions R2 and R3 of theglass plate 2, and the workingheads Fig. 10 by the movingmeans head 14 is further moved in the X2 direction along the end face in the region R4 of theglass plate 2 by the movingmeans 17, so as to cause thegrinding wheel 25 of the workinghead 14 to grind the end face in the remaining region of the region R4 of theglass plate 2. During the movement of the workinghead 14 in the X2 direction by the movingmeans 17, the workinghead 18 is moved by the moving means 19 in the X1 direction from the working point B of theglass plate 2 along the end face in the regions R6 and R5 of theglass plate 2, so as to cause thegrinding wheel 25 of the workinghead 18 to grind the end face in the regions R5 and R6 of theglass plate 2, and the working heads 14 and 18 are respectively returned to the positions shown inFig. 10 by the movingmeans - After the return of the working
heads glass plate 2, whose both end faces 6 and 13 have been ground, is transported and carried out by the transporting means 5 from the supporting table 4 to thedownstream side 200 while being sucked and fixed by means of thesucker device 50. - The glass-plate working apparatus 1 in accordance with this embodiment is comprised of: the base 3; the supporting table 4 which is provided on the base 3 and supports the glass plate 2; the transporting means 5 which is provided on the base 3 and transports the glass plate 2 in the X direction; the working head 7 for grinding the end face in the region R1 of one end face 6 of the glass plate 2; the moving means 10 for moving the working head 7 in the X direction along the end face in the region R1 of the glass plate 2; the working head 11 for grinding the end face in the regions R2 and R3 of the glass plate 2; the moving means 12 for moving the working head 11 in the X direction along the end face in the regions R2 and R3 of the glass plate 2; the working head 14 for grinding the end face in the region R4 of the glass plate 2; the moving means 17 for moving the working head 14 in the X direction along the end face in the region R4 of the glass plate 2; the working head 18 for grinding the end face in the regions R5 and R6 of the glass plate 2; and the moving means 19 for moving the working head 18 in the X direction along the end face in the regions R5 and R6 of the glass plate 2. Therefore, since the working of the end face in the respective regions R1, R2, and R3 of the
glass plate 2 can be effected by the workinghead 7 and the workinghead 11, and the working of the end face in the respective regions R4, R5, and R6 of theglass plate 2 can be effected by the workinghead 14 and the workinghead 18, the efficiency of working with respect to the end faces of the glass plate is high, and the working time of these operations can be shortened, thereby making it possible to carry out glass plate working with high productivity. - In the embodiment of the method of working the
glass plate 2 by the glass-plate working apparatus 1 in accordance with this embodiment shown inFigs. 3 to 6 , the following arrangement may be adopted. After the grinding of the end face in the region R1 of theglass plate 2 by the workinghead 7, the movingstand 75 of the movingmeans 10 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 10, so as to move thegrinding wheel 25 of the workinghead 7 away from theend face 6 of theglass plate 2. Subsequently, by operating theservo motor 72 of the driving means 63 of the moving means 10, the grindingwheel 25 of the workinghead 7 is moved in the X2 direction from the working point A of theglass plate 2 in a state of noncontact with the end face in the region R1 of theglass plate 2. Meanwhile, after the grinding of the end face in the region R4 of theglass plate 2 by the workinghead 14, the movingstand 75 of the movingmeans 17 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 17, so as to move thegrinding wheel 25 of the workinghead 14 away from theend face 13 of theglass plate 2. Subsequently, by operating theservo motor 72 of the driving means 63 of the moving means 17, the grindingwheel 25 of the workinghead 14 is moved in the X2 direction from the working point B of theglass plate 2 in a state of noncontact with the end face in the region R4 of theglass plate 2. In addition, an arrangement may be provided such that therespective grinding wheels 25 of the workingheads end face 6 and theend face 13, respectively, of theglass plate 2, and are moved in the X2 direction by operating therespective servo motors 72 of the movingmeans - In the embodiment of the method of working the
glass plate 2 by the glass-plate working apparatus 1 in accordance with this embodiment shown inFigs. 3 to 6 , the following arrangement may be adopted. After the grinding of the end face in the regions R2 and R3 of theglass plate 2 by the workinghead 11, the movingstand 75 of the movingmeans 12 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 12, so as to move thegrinding wheel 25 of the workinghead 11 away from theend face 6 of theglass plate 2. Subsequently, by operating theservo motor 72 of the driving means 63 of the moving means 12, the grindingwheel 25 of the workinghead 11 is moved in the X1 direction from the working point A of theglass plate 2 in a state of noncontact with the end face in the regions R3 and R2 of theglass plate 2. Meanwhile, after the grinding of the end face in the regions R5 and R6 of theglass plate 2 by the workinghead 18, the movingstand 75 of the movingmeans 19 is moved in the Y direction by operating theservo motor 78 of the cutting amount adjusting means 64 of the moving means 19, so as to move thegrinding wheel 25 of the workinghead 18 away from theend face 13 of theglass plate 2. Subsequently, by operating theservo motor 72 of the driving means 63 of the moving means 19, the grindingwheel 25 of the workinghead 18 is moved in the X1 direction from the working point B of theglass plate 2 in a state of noncontact with the end face in the regions R6 and R5 of theglass plate 2. In addition, an arrangement may be provided such that therespective grinding wheels 25 of the working heads 11 and 18 are not moved away from theend face 6 and theend face 13, respectively, of theglass plate 2, and are moved in the X1 direction by operating therespective servo motors 72 of the movingmeans - In this embodiment, after the grinding of both end faces 6 and 13 (the respective end faces in the regions R1, R2, and R3 and the regions R4, R5, and R6) of the
glass plate 2, polishing may be performed with respect to both end faces 6 and 13 of theglass plate 2 in a separate process (online or offline) on thedownstream side 200 of the glass-plate working apparatus 1 in accordance with this embodiment. - In addition, in the case where polishing is performed with respect to both end faces 6 and 13 of the
glass plate 2 in the separate process, polishing may be performed with respect to both end faces 6 and 13 of theglass plate 2 by another working head having a polishing wheel, and the other working head may be comprised of a similar arrangement to those of the moving means 10, 12, 17, and 19 and the workingheads - In this embodiment, each of the working
heads grinding wheel 25, and in the case where polishing is performed with respect to both end faces 6 and 13 of theglass plate 2, each of the workingheads grinding wheel 25. - In this embodiment, each of the working
heads grinding wheel 25, and in the case where grinding and polishing are consecutively performed with respect to both end faces 6 and 13 of theglass plate 2, each of the workingheads grinding wheel 25. In this case, since each of the workingheads wheel 25 and the polishing wheel, it is unnecessary to perform polishing with respect to both end faces 6 and 13 of theglass plate 2 in the separate process (online or offline), and the operation ranging from grinding to polishing can be performed continuously with respect to both end faces 6 and 13 of theglass plate 2, thereby making it possible to shorten the working time in grinding and polishing. - Each of the working
heads grinding wheel 25 or the polishing wheel, or thegrinding wheel 25 and the polishing wheel. However, by combining these grinding wheel(s) 25 and the polishing wheel(s), each of the workingheads wheel 25 and a plurality of polishing wheels, or a plurality of grindingwheels 25 and a polishing wheel, or a plurality of grindingwheels 25 and a plurality of polishing wheels. - Furthermore, each of the working
heads heads plate working apparatus 1 having such pluralities of workingheads glass plate 2 by the pluralities of workingheads glass plate 2 can be made even shorter, and the glass-plate working apparatus 1 with high productivity can be obtained. - Each of the pluralities of working
heads wheel 25 or at least one polishing wheel, or at least one grindingwheel 25 and at least one polishing wheel. - In this embodiment, each of the moving means 10, 12, 17, and 19 and the working
heads heads - In this embodiment, as each of the moving means 10, 12, 17, and 19 and the working
heads glass plate 2 may be ground respectively continuously. - In this embodiment, although each of both end faces 6 and 13 of the
glass plate 2 is adapted to be ground, working may be provided for either one end face between both end faces 6 and 13 of theglass plate 2 . - In this embodiment, each of the working
heads glass plate 2 by moving in the X direction along the end face in the region R1 and the regions R2 and R3 of theglass plate 2, while each of the working heads 14 and 18 effects working of the end face in the respective regions R3, R4, and R6 of theglass plate 2 by moving in the X direction along the end face in the region R4 and the regions R5 and R6 of theglass plate 2. However, an arrangement may be provided such that, as theservo motors 72 of the driving means 63 of the moving means 10, 12, 17, and 19 and theservo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the respective ones of the workingheads glass plate 2 so as to effect working of both end faces 6 and 13 of theglass plate 2, e.g., working of curves with respect to both end faces 6 and 13 of theglass plate 2. - In this embodiment, although the working point A of the
glass plate 2 is provided on the oneend 8 side of theglass plate 2, the working point A may be provided on theother end 9 side of theglass plate 2, or the vicinity of a central portion on theend face 6 side of theglass plate 2, or a central portion in the X direction of theend face 6 of the glass plate 2 (this central portion being located between the oneend 8 and theother end 9 of theend face 6 of theglass plate 2 in the X direction). In addition, although the working point B of theglass plate 2 is provided on the oneend 15 side of theglass plate 2, in the same way as the working point A, the working point B may be provided on theother end 16 side of theglass plate 2, or the vicinity of a central portion on theend face 13 side of theglass plate 2, or a central portion in the X direction of theend face 13 of the glass plate 2 (this central portion being located between the oneend 15 and theother end 16 of theend face 13 of theglass plate 2 in the X direction). In each case, it is possible to shorten the working time of the grinding or polishing, or both grinding and polishing, of theglass plate 2. - In this embodiment, the
glass plate 2 has a rectangular flat plate shape, and theglass plate 2 may alternatively have any shape among an elliptical shape, a circular shape, a polygonal shape, a square shape, a quadrilateral shape, and the like. - In this embodiment, as the
servo motor 72 of the driving means 63 for moving the traveling table 60 in the X direction and theservo motor 78 of the cutting amount adjusting means 64 for moving the movingstand 75 in the Y direction are numerically controlled, the workingheads end 8 and theother end 9 of theend face 6 of theglass plate 2 and the oneend 15 and theother end 16 of theend face 13 of the glass plate 2). - In this embodiment, the working
heads glass plate 2 together with the working of both end faces 6 and 13 of theglass plate 2, or may effect chamfering together with corner cutting of four corners of theglass plate 2. - In this embodiment, the driving means 54 of the transporting
means 5 includes therack 55 which is disposed on thebase 3 and extends in the X direction in parallel therewith; thepinion gear 56 meshing with therack 55; and the servo motor 57 which has the output rotating shaft (motor shaft) with thepinion gear 56 fitted at one end thereof and is mounted on the traveling table 52. Alternatively, however, the driving means 54 may include a ball screw nut, a ball screw engaged threadedly with the ball screw nut, and a servo motor which is coupled to the ball screw, in which case the transportingmeans 5 is capable of transporting theglass plate 2 more precisely with respect to the supporting table 4. - In this embodiment, the driving means 63 of each of the moving means 10, 12, 17, and 19 includes the
rack 70 which is disposed on the traveling table 60 and extends in the X direction in parallel therewith; thepinion gear 71 meshing with therack 70; and theservo motor 72 which has the output rotating shaft (motor shaft) with thepinion gear 71 fitted at one end thereof and is mounted on the traveling table 60. Alternatively, however, the driving means 63 may include a ball screw nut, a ball screw engaged threadedly with the ball screw nut, and a servo motor which is coupled to the ball screw, in which case each of the moving means 10, 12, 17, and 19 is capable of effecting working more precisely by each of the workingheads glass plate 2. - In this embodiment, in the working of the
end face 6 of theglass plate 2, an arrangement may be provided such that, as theservo motors 72 of the driving means 63 of the movingmeans servo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the end face in the region R1 of theglass plate 2 and the end face in the respective regions R2 and R3 of theglass plate 2 are simultaneously worked. In the working of theend face 13 of theglass plate 2, an arrangement may be provided such that, as theservo motors 72 of the driving means 63 of the movingmeans servo motors 78 of the cutting amount adjusting means 64 are numerically controlled synchronously, the end face in the region R4 of theglass plate 2 and the end face in the respective regions R5 and R6 of theglass plate 2 are simultaneously worked. -
- 1:
- glass-plate working apparatus
- 2:
- glass plate
- 3:
- base
- 4:
- supporting table
- 7, 11, 14, 18:
- working head
- 10, 12, 17, 19:
- moving means
- 62:
- guide rail
Claims (5)
- A glass-plate working apparatus comprising:at least one first working head means for effecting grinding or polishing, or both grinding and polishing, of an end face in one region of a glass plate;a first moving means for moving said at least one first working head means along the end face in the one region of the glass plate;at least one second working head means for effecting grinding or polishing, or both grinding and polishing, of an end face in another region of the glass plate; anda second moving means for moving said at least one second working head means along the end face in the other region of the glass plate.
- The glass-plate working apparatus according to claim 1, wherein said first moving means is adapted to move said at least one first working head means along the end face in the one region of the glass plate to cause said at least one first working head means to work the end face in the one region of the glass plate, and said second moving means is adapted to move said at least one second working head means along the end face in the other region of the glass plate to cause said at least one second working head means to work the end face in the other region of the glass plate.
- The glass-plate working apparatus according to claim 1 or 2, wherein each of said first moving means and said second moving means is adapted to move each of said at least one first working head means and said at least one second working head means such that said at least one first working head means and said at least one second working head means approach each other or move away from each other.
- The glass-plate working apparatus according to any one of claims 1 to 3, wherein said at least one first working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel, and said at least one second working head means has at least one grinding wheel or at least one polishing wheel, or at least one grinding wheel and at least one polishing wheel.
- The glass-plate working apparatus according to any one of claims 1 to 4, wherein said first working head means is constituted by a plurality of first working head means, and said second working head means is constituted by a plurality of second working head means.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2019143432 | 2019-08-04 | ||
PCT/JP2019/039416 WO2021024501A1 (en) | 2019-08-04 | 2019-10-05 | Glass plate processing device |
Publications (2)
Publication Number | Publication Date |
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EP3800006A1 true EP3800006A1 (en) | 2021-04-07 |
EP3800006A4 EP3800006A4 (en) | 2021-09-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19835345.0A Pending EP3800006A4 (en) | 2019-08-04 | 2019-10-05 | Glass plate processing device |
Country Status (7)
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US (1) | US20210205943A1 (en) |
EP (1) | EP3800006A4 (en) |
JP (1) | JP7138898B2 (en) |
KR (1) | KR102509616B1 (en) |
CN (2) | CN112654459B (en) |
TW (2) | TWI794104B (en) |
WO (1) | WO2021024501A1 (en) |
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CN113977390A (en) * | 2021-11-24 | 2022-01-28 | 慈溪市海量玻璃技术有限公司 | Chamfering device for glass |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07276205A (en) * | 1994-12-19 | 1995-10-24 | Bando Kiko Kk | Working machine for glass pane |
JPH11123643A (en) * | 1997-10-21 | 1999-05-11 | Nomura Seisakusho:Kk | Working device of plate material |
JP4238499B2 (en) * | 2001-12-03 | 2009-03-18 | 坂東機工株式会社 | Glass plate cornering method and apparatus |
JP5051613B2 (en) * | 2007-03-02 | 2012-10-17 | 旭硝子株式会社 | Glass plate end grinding machine |
JP2011110648A (en) * | 2009-11-26 | 2011-06-09 | Asahi Glass Co Ltd | Processing method and device of glass substrate |
KR101822215B1 (en) * | 2010-11-01 | 2018-01-25 | 아사히 가라스 가부시키가이샤 | Chamfering apparatus and chamfering method |
JP5682819B2 (en) * | 2011-03-08 | 2015-03-11 | 旭硝子株式会社 | Glass plate chamfering method, chamfering apparatus and glass plate |
KR101128516B1 (en) * | 2011-04-08 | 2012-04-02 | 김동원 | Head device for cutting side of plate glass |
DE112012005443T9 (en) * | 2011-12-23 | 2015-01-15 | Williams And White Machine Inc. | Computer-controlled grinding machine with several axes for grinding saw blades |
JP5741481B2 (en) | 2012-02-21 | 2015-07-01 | 坂東機工株式会社 | Equipment for processing both sides of glass plates |
JP6050086B2 (en) * | 2012-10-30 | 2016-12-21 | AvanStrate株式会社 | Manufacturing method of glass substrate |
KR101467662B1 (en) * | 2013-01-30 | 2014-12-01 | 엘지전자 주식회사 | Substrate Processing Apparatus |
KR101544471B1 (en) * | 2013-01-30 | 2015-08-13 | 엘지전자 주식회사 | Display Panel and Substrate Processing Apparatus |
JP6195035B2 (en) * | 2015-08-25 | 2017-09-13 | 坂東機工株式会社 | Glass plate processing equipment |
JP6288184B2 (en) * | 2016-08-12 | 2018-03-07 | 旭硝子株式会社 | Glass substrate and method for manufacturing glass substrate |
-
2019
- 2019-10-05 JP JP2020537806A patent/JP7138898B2/en active Active
- 2019-10-05 EP EP19835345.0A patent/EP3800006A4/en active Pending
- 2019-10-05 US US16/633,931 patent/US20210205943A1/en active Pending
- 2019-10-05 CN CN201980003716.8A patent/CN112654459B/en active Active
- 2019-10-05 WO PCT/JP2019/039416 patent/WO2021024501A1/en unknown
- 2019-10-05 KR KR1020207001685A patent/KR102509616B1/en active IP Right Grant
- 2019-10-05 CN CN202410950967.XA patent/CN118682610A/en active Pending
- 2019-12-25 TW TW111119600A patent/TWI794104B/en active
- 2019-12-25 TW TW108147629A patent/TWI788615B/en active
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TW202106443A (en) | 2021-02-16 |
TWI788615B (en) | 2023-01-01 |
TW202237332A (en) | 2022-10-01 |
KR102509616B1 (en) | 2023-03-14 |
US20210205943A1 (en) | 2021-07-08 |
KR20210018175A (en) | 2021-02-17 |
JPWO2021024501A1 (en) | 2021-09-13 |
CN118682610A (en) | 2024-09-24 |
TWI794104B (en) | 2023-02-21 |
WO2021024501A1 (en) | 2021-02-11 |
EP3800006A4 (en) | 2021-09-08 |
JP7138898B2 (en) | 2022-09-20 |
CN112654459A (en) | 2021-04-13 |
CN112654459B (en) | 2024-08-02 |
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