JPH10329084A - Dividing method for sheet glass and device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To produce a plurality of sheets of divided glass from one sheet of sheet glass at a single stroke. SOLUTION: After marking-off is conducted on sheet glass G with respective cutters 19 according to the number of divided sections, the sections on both sides with regard to a dividing line L in the sheet glass G are supported from the back face of a top face formed with a dividing line L, and the sheet glass G is pressed in an attracted condition from the top face. Respective impact members 29 which have at least a length of the dividing line L respectively and incline in a tapered shape over the overall length, are pressed with their axial lines kept roughly parallel to the sheet glass G respectively, toward the respective dividing lines L from the back face side of the sheet glass G, so as to conduct cutting work along the respective dividing lines L.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for subdividing a glass sheet, which is applied when a large glass sheet is divided into large pieces to obtain a glass sheet of a predetermined size in large quantities.

[0002]

In order to obtain a glass sheet of a required size, it is common to cut a wide large glass sheet into pieces, and if the glass sheet is thin, it is necessary to make a cut line. However, if it is a thick glass plate, a tool with a plate-shaped pressing rod pivotally attached at its tip end to a surface plate, like an office cutter, after cutting a thick glass plate. When used, the pressing rod is pressed down, so that the pressing rod is cut from one end thereof along the cutting line and is shredded. However, even if the above-mentioned tool is used, there is a problem that the production efficiency obtained by dividing the tool manually is low and the production cost is increased.

In view of the above problems, it is an object of the present invention to provide a method and an apparatus for splitting a glass sheet, which can improve the production efficiency and can surely split the glass sheet.

[0004]

In the solution according to the present invention, after cutting a glass plate with each cutter in accordance with the number of small divisions, both sides of the cutting line on the glass plate are cut. While supporting from the back surface with respect to the upper surface, pressing the glass plate in a state of being sucked from the upper surface, from the back surface side of the glass plate toward each cutting line, each has at least the length of the cutting line and is inclined in a tapered shape over the entire length. Pressing member,
It is characterized in that cutting is performed along each cut line by individually abutting the axis while keeping its axis substantially parallel to the glass plate.

[0005] The solution of the present invention is to provide a cutting station following the cutting station, the cutting station being formed by a support plate for receiving a glass plate, on which a cutter is lowered, slid, raised and moved back. In preparation for movement, the cutting station is formed by supporting rods that support both sides of each cutting line of the glass sheet, and separates each glass sheet that is subdivided above between the supporting rods that support both sides of each cutting line. A holding portion that presses downward in the sucked state is provided so as to be vertically movable, while a striking member that is tapered over its entire length with a round bar below the two supporting rods is individually and sequentially provided with its shaft. The center is provided so as to be vertically movable in a state parallel to the axis of the support rod.

Another solution is to provide a loading station at a position deviated from the end of the belt conveyor, a loading station receiving the glass plate of the loading station by the supply means in the running direction of the belt conveyor, and an ear station. A cutting station for breaking each split line at a position off the end of the belt conveyor, and a cutting station next to the cutting station. A storage station for receiving each of the glass plates is provided, and the cut line station for the ear line and the cut line station for the small split line are formed by a support plate abutting on the back surface of the belt conveyor,
Positioning means are provided on each support plate of the two stations, and the cutter is lowered so as to be able to slide along the surface of the glass plate in the direction of the ears and small lines and to be able to move up and down in the box. The cutting station is formed of a receiving plate that abuts against the back surface of the belt conveyor, the receiving plate has a stepped portion facing the ear portion with the ear line of the glass plate as a boundary, and the receiving portion of the receiving plate in the upper portion of the belt conveyor. A pressing member having a linear portion having at least the same length as the length of the ear wire facing the step portion is provided at both ends in the longitudinal direction via lifting means, and both lifting means can be driven with a time difference. Between the cutting station for folding the ear wire and the cutting station for folding the split line, there is interposed a conveyance means for sucking and holding the glass plate when folding the ear portion, and transferring the glass plate after the processing. Cutting station to fold a small dividing line is,
A striking member formed by each support rod supporting both sides of each small split line of the glass plate and having a round bar tapered between the support rods over its entire length, the axis of which is the axis of the support rod The cutting station, which is provided to be vertically movable in a state parallel to the axis, is provided with a transfer means for transferring the split glass sheet to the storage station at the cutting station for breaking the split line, and the transfer means includes:
It is characterized in that it comprises a holding portion for adsorbing and holding each glass plate to be subdivided and an interval adjusting portion for spacing the subdivided glass plates.

[0007]

According to the method of splitting with a tapered striking member, the striking member abuts against the glass plate while keeping its axis parallel to the glass plate on which the axis is installed. The push-up mechanism is simplified, and it is possible to reliably cut along one of the cut lines from one end of the cut line, thereby increasing the production efficiency obtained by dividing the cut line.

The cut glass plate is received by supporting rods on both sides of the cut line, and the tapered striking member is moved from between the supporting rods to the glass plate so that its axis is parallel to the glass plate. According to the splitting device that cuts up by pushing up, the striking member is pushed up so that the axis of the striking member is moved in parallel. Therefore, the structure of the device is simplified, and the splitting line is reliably formed over the entire length from its end. It is possible to cut a glass plate with a large number of split lines at a glance because it is cut and received by a pair of support rods for each split line. Become.

Further, according to the apparatus in which a cutting line station for applying ear lines and small dividing lines, and a cutting station for folding ears and breaking each small dividing line are sequentially provided, processing is efficiently performed along a series of flows. Large-sized glass sheets can be easily produced in large quantities.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION In the embodiment of the present invention, in order to divide a glass sheet into small pieces, both longitudinal edges of a vertically long glass sheet are called ears. Then, a plurality of split lines perpendicular to the longitudinal direction are inserted to obtain a plurality of split glass plates.

In the above-mentioned method of cutting both ears, a process is performed in which an ear wire is inserted into the both ears in the longitudinal direction of a vertically long glass plate, and then cutting is performed along the both ears. A pressing member having a straight portion longer than the length of the ear wire is provided on the outer side of the ear wire by holding the portion between the both ear wires of the glass plate in a cantilevered manner. And cuts along the ear line.

Next, as a method of splitting, a process of cutting a plurality of split lines parallel to each other on the glass plate from which both ears are cut out as described above, and then cutting along each split line is performed. In this cutting step, both sides of each split line are respectively supported by support rods to support the glass plate in a plane, and the tapered striking member is supported by both support rods so that their axes are parallel to the glass plate. The striking members are individually pushed up sequentially to cut the glass plate from a single glass plate.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An apparatus capable of automatically performing the above method will be described in detail. As shown in FIG. 1, a belt conveyor 1 is provided along one line, and the belt conveyor 1 is provided.
A loading station 2 for stacking a large number of glass plates G, which are workpieces, at a position deviated from the start end side of
In order from the start end of the belt conveyor 1 in the feeding direction, a loading material station 3 on which the glass plate G is placed, a cutting line station 4 for cutting the ear line S, a cutting line station 5 for cutting the small split line L, and a cutting for folding the ear portion E A station 6 is provided, a cutting station 7 for small cutting is provided at a position off the leading end of the belt conveyor 1, and a storage station 8 is provided before the cutting station 7 for small cutting. Further, a support plate 9 is provided which abuts on the back surface of the belt conveyor 1 from the material station 3 to the cutting line station 5 where the dividing line L is inserted via the cutting line station 4 where the ear line S is inserted, and the ear E is cut. The station 6 is provided with a detachable receiving plate 10 which comes into contact with the back surface of the belt conveyor 1.

The glass plate G to be processed is a rectangular shape which is long in the horizontal direction. The glass plate G is set in the loading station 2 with its longitudinal direction oriented in a direction perpendicular to the running direction of the belt conveyor 1. The glass plate G from the station 2 is placed one by one on the loading station 3 without changing the direction by the supply means 11 using a vacuum pad. The belt conveyor 1 drives the glass plate G so as to sequentially and intermittently feed the glass plate G to each station.

Further, as shown in FIG. 2, the structure in which the glass plate G is installed in the loading station 2 has a material pallet 13 on a base 12 which moves up and down.
3 is provided with an upright plate 15 on the lower side of the inclination, and when the glass plates G are inserted into the material pallet 13 in a stacked state, each glass plate G is inclined. As a result, it is brought closer to the upright plate 15 and is placed in an aligned state.

As shown in FIG. 3, a positioning means 16 for stopping the glass plate G at a predetermined position according to the size thereof is provided at the cutting line station 4 of the ear wire S.
It is provided to be adjustable above. This positioning means 16
Disks 17 and 18 having cushioning properties abutting on both sides orthogonal to the leading end face in the running direction of glass sheet G.
A pair of left and right disks 17 is provided on the leading end face so as to be vertically movable.
Numeral 8 is provided so as to be able to advance and retreat in the left-right direction, and the positioning means 16 is not only for positioning, but also for holding at the positioned position.

Further, a pair of cutters 19 for applying ear lines S to both ears E of the glass sheet G are slid from the upper side to the cutting line station 4 for the ear lines S along the upper surface of the glass sheet G. It moves so that it moves up and returns to its original position after rising at its end, so-called box movement is possible, and the distance between the cutters 19 is adjustable. The cutter 19 slides in a direction perpendicular to the running direction of the belt conveyor 1, and therefore, the ears S are provided on the glass plate G along the longitudinal direction.

Next, a sectioning station 5 for inserting the dividing line L
As shown in FIG. 4, a positioning means 16 and a plurality of cutters 19 are provided similarly to the cutting line station 4 for the ear wire S. Same as station 4 but
The cutters 19 are used to divide the glass plate G into small portions, and the cutters 19 are provided so as to be capable of box movement in parallel in a direction orthogonal to the traveling direction of the belt conveyor 1.
Each cutter 19 slides in parallel to the running direction of the belt conveyor 1 to insert a plurality of small lines L.

As shown in FIG. 5, the receiving plate 10 provided at the cutting station 6 for the ear wire S has a stepped portion 21 formed by cutting out the flat portion 20 on both sides thereof. When the glass plate G is placed on the flat surface portion 20 when the receiving plate 10 is mounted such that the step portion 21 is orthogonal to the traveling direction of the belt conveyor 1 and the ear plate S The ear E is formed so as to face the step 21. Therefore, a glass plate that matches the size of the glass plate G is selected and replaced.

As shown in FIGS. 1 and 5, a stopper 22 for positioning the glass sheet G, a pair of pressing members 23, and a conveying means 24 are provided on the cutting station 6 for the ear wire S.
And

The stopper 22 is provided with a pair of disks having a cushioning property so as to be able to advance and retreat from the left and right sides of the belt conveyor 1 so as to come into contact with the leading end face of the glass plate G being transferred.

The pressing member 23 cuts by abutting the left and right ear portions E from above, and is provided at the front and rear portions with respect to the traveling direction of the belt conveyor 1. It has a plate shape longer than
5, and both ends of the pressing member 23 are suspended by lifting means 26, respectively. Further, as shown in FIGS. 7 and 8, the right and left lifting means 26 are driven with a time difference therebetween, so that the pressing member 23 is gradually leveled from a state in which one end thereof is first lowered and inclined. It is.

The transport means 24 includes a vacuum pad 27,
Before the pressing member 23 descends, it is adsorbed on the portion between the both ear lines S of the glass plate G positioned by the stopper 22 and holds the pressed state. After that, the vacuum pad 27 is lifted up while adsorbing the glass plate G from which the ears E have been cut, and is transferred to the cutting station 7 of the dividing line L, where it is lowered.

Accordingly, the glass sheet G conveyed by the belt conveyor 1 hits the stopper 22 and stops, and at the same time, the driving of the belt conveyor 1 stops, and the conveying means 2
Then, the vacuum pad 27 is lowered to hold the glass plate G. Next, the pressing member 23 is moved down by one of the elevating means 26 to hit the ear E, and then the other elevating means 2
6, the ear E is cut along the ear line S. As shown in FIG. 6 in a slightly exaggerated manner, this cutting condition is such that the cut ear portion E is folded while the belt is pushed into the step portion 21, where the vacuum pad 2 is cut.
7 rises while adsorbing the glass plate G1 from which the ears E have been cut off, and moves to the next cutting station 7, while retracting the stopper 22 from the belt conveyor 1 and driving the belt conveyor 1, The ears E cut out on the belt conveyor 1 are discharged from the end of the belt conveyor 1.

Next, as shown in FIGS. 1 and 9, the cutting station 7 of the small parting line L is disengaged from the belt conveyor 1 because the cut ears E are discharged from the end of the belt conveyor 1. Provided at the site, the transport means 2
The glass plate G1 conveyed in step 4 is supported by a plurality of supporting rods 28 parallel to the conveying direction of the conveying means 24, and each supporting rod 28 hits both sides of each of the small lines L of the glass plate G1. It is arranged.

Further, a striking member 29 is provided between the supporting rods 28 so as to be movable up and down, facing the small dividing line L. As shown in FIG. 10, the striking member 29 is a round bar longer than the length of the dividing line L, and is formed in a tapered shape like a baseball bat. 29 may be moved up and down individually, but it is most preferable to move up and down by one elevating means. However, there is a problem that if all the striking members 29 are raised at once, it is not possible to surely divide the members. ing. As a means for sequentially abutting, the striking members 29 on the left and right from the striking member 29 in the central portion are successively reduced in supporting height and supported on the connecting plate 30 so that the supporting height can be adjusted by the spring 31. Has become.

Further, there is provided a transfer means 32 for sucking and holding the glass plate G1 supported on each supporting rod 28 as described above from above each of the small split lines L, and transporting the cut glass sheet G to the storage station 8 after cutting. ing. The transfer means 32 is provided with a fixing portion 33 formed by a vacuum pad that moves up and down, and an interval adjusting portion 34 for separating the divided glass plates G2 from each other. The reason why the spaces are spread apart from each other is that the product pallet 35 provided in the storage station 8 has a rear wall on the bottom plate as if it were a bookcase as shown in FIG. 1 and has the same number as the number of pieces divided on the bottom plate. Storage section is divided by a partition wall.
This is necessary for insertion into each of the divided spaces.

The cutting station 7 for the above-mentioned parting line L
The transfer means 32 for transferring from the cutting line 6 to the storage station 8 and the transferring means 24 for transferring from the cutting line 6 for the ear wire S to the cutting station 7 for the small line L are linked to each other, that is, the glass plate G1 from which the ear E is cut off. Is transferred to the cutting station 7 of the parting line L and the glass sheet G
2 to the storage station 8.

As shown in FIGS. 12 and 13, the above-mentioned gap adjusting section 34 is provided with a guide rail 37 projecting from the lower surface of a horizontal bar 36 provided on the cutting station 7 of the dividing line L.
Sliders 38 of the same number as the number of small parts are slidably held on the guide rails 37, cylinders 39 are fixed to the respective sliders 38, and the cylinders 39 are connected to each other via the piston rods 40 from both right and left ends. Each piston rod 40 of both cylinders 39 near the center is connected to a bracket 41 projecting from the horizontal bar 36, and further, an arm 42 is provided for each slider 38, and a glass plate G1 provided with a dividing line L is provided. Protruding toward the set position,
The holding portion 33 made of a vacuum pad is vertically provided on each of the arms 42.

With the above structure, the operation of subdividing the glass sheet G1 conveyed to the cutting station 7 along the dividing line L is performed by the vacuum pad of the transfer means 32 first.
After pressing and adsorbing between the small dividing lines L and maintaining the pressed state, the striking member 29 is raised. At this time, the striking member 29 at the lower position in order from the striking member 29 supported at the highest position abuts on the lower surface of the secant line L, and since the striking member 29 is tapered as described above, Since the glass plate G1 is abutted from the thickest portion, the glass plate G1 is cut along the secant line L from the end to the entire length.

Each small glass plate G cut as described above
2 is adsorbed to the holding portion 33 by the vacuum pad, so that each of the small glass plates G2
Rises, and the interval between the small split glass sheets G2 is expanded by the interval adjusting unit 34, and the storage station 8
Then, it is inserted into each section facing the product pallet 35, and the small split glass plate G2 is stacked in each section.

[0032]

According to the method of dividing a glass sheet according to the present invention, after a plurality of dividing lines are formed in a glass sheet, each of the tapered striking members facing each dividing line is individually and sequentially formed on the glass sheet. By abutting and cutting, the glass sheet can be surely divided into small pieces, and a plurality of small divided glass sheets can be efficiently produced at once.

Further, according to the glass sheet splitting device of the present invention, the glass sheet containing each split line is supported by a supporting rod on both sides of each split line, and is held between the split lines from above. Hold down while adsorbing at the part, the tapered striking member is configured to be sequentially pushed up individually to the secant line from between the two support rods, and the holding of the holding portion,
A plurality of subdivisions can be made from one glass plate by the action of the three members, the support of both support rods and the pushing up of the striking member.

Further, according to the apparatus for splitting glass sheets using a belt conveyor, the splitting is performed after the lack of the ears. Since the glass sheets, which are the raw materials, are sequentially supplied and processed, and the small split glass sheets are sorted and stacked and stored, it is easy to handle the subsequent processing.

[0035]

[Brief description of the drawings]

FIG. 1 is a plan view showing an outline of a glass sheet splitting device according to the present invention.

FIG. 2 is a sectional view showing a material pallet.

FIG. 3 is a plan view showing an ear wire cutting station.

FIG. 4 is a plan view showing a cutting line breaking line station;

FIG. 5 is a sectional view showing a part of an ear wire cutting station.

FIG. 6 is a cross-sectional view showing a part of a state where an ear part is cut at the ear wire cutting station.

FIG. 7 is a front view showing an initial state in which an ear portion is cut by a pressing member provided at an ear wire cutting station.

FIG. 8 is a front view showing a state where the same is cut.

FIG. 9 is a front view showing an outline of a cutting line cutting station.

FIG. 10 is a side view showing a striking member.

FIG. 11 is a front view showing a state when a small split is performed.

FIG. 12 is a plan view showing a structure of an interval adjusting unit provided in a cutting station for a small score line.

FIG. 13 is a plan view showing a state when the interval is widened by the interval adjusting unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Belt conveyor 2 Loading station 3 Loading station 4 Ear break line station 5 Cut line break station 6 Ear cut line station 7 Cut line cut station 8 Storage station 9 Support plate 10 Receiving plate 11 Supply means 16 Positioning means 19 Cutter 22 Stopper 23 Pressing member 24 Conveying means 25 Linear part 26 Elevating means 28 Supporting rod 29 Striking member 32 Transfer means 33 Fixed part 34 Spacing adjusting part G Glass plate L Small split line S Ear wire

Claims (3)

[Claims] After cutting a glass plate (G) with each cutter (19) in accordance with the number of small divisions, both sides of the small line (L) in the glass plate (G) are divided into small lines. (L)
While supporting the glass plate (G) from the upper surface while adsorbing the glass plate (G) from the rear surface with respect to the upper surface subjected to the surface treatment, the glass plate (G) is pressed at least from the rear surface side to each of the small lines (L). By hitting each of the striking members (29) having a length and being inclined in a tapered shape over the entire length, individually and sequentially with their axes kept substantially parallel to the glass plate (G). Cutting a glass sheet along each of the dividing lines (L). 2. A sectioning station (5) for a parting line (L).
Next, a cutting station (7) for cutting lines is provided. The cutting station (5) is formed by a support plate (9) for receiving the glass plate (G), and the cutter (1) is mounted on the support plate (9).
The cutting station (7) is formed by supporting rods (28) that support both sides of each split line of the glass sheet, with 9) being capable of lowering, sliding, raising and returning box movement. A holding portion (33) that presses downwardly while holding each of the glass plates, which are subdivided upward, between the supporting rods (28) that support both sides of the dividing line, is provided so as to be vertically movable, while the two supporting rods (28) are supported. A striking member (29) having a round bar tapered over the entire length thereof between the rods (28) is formed in a state where the axis of each is sequentially parallel to the axis of the support rod (28). A small splitting device for a glass sheet, which is provided so as to be vertically movable. 3. A loading station (2) is provided at a position deviated from the end of the belt conveyor (1), and the glass plate (G) of the loading station (2) is moved in the running direction of the belt conveyor (1). A loading station (3) received by the supply means (11), a cutting line station (4) for the ear line (S), and a cutting line station (5) for the split line (L);
A cutting station (6) for folding the ear wire (S), and a cutting station (7) for folding each split line (L) at a position off the end of the belt conveyor (1);
Next to the cutting station (7), there is provided a storage station (8) for receiving each of the glass sheets (G2) that have been subdivided, and the cutting line station (4) for the ear lines and the cutting line station (5) for the sublines are provided. It is formed of a support plate (9) that abuts on the back surface of the belt conveyor (1), and positioning means (1) is provided on each support plate (9) of both stations (4, 5).
6), and the cutter (19) is lowered so as to be capable of sliding along the surface of the glass plate in the direction of the ears and small lines and to be able to move up and down in the box. A belt (10) is formed in contact with the back surface of the belt conveyor (1). The tray (10) has a step portion (21) opposed to the ear portion with the ear line of the glass plate as a boundary. A pressing member (23) having a linear portion (25) having a length at least equal to the length of the ear wire, facing the step portion (21) of the receiving board (10) in the upper portion of the conveyor (1).
Are provided at both ends in the longitudinal direction thereof via elevating means (26), and both elevating means (26) are controlled so as to be drivable with a time difference. Conveying means (24) for sucking and holding the glass plate (G) when the ear part is folded between the cutting stations (7) for breaking the score line and transferring the glass plate (G1) after the processing.
The cutting station (7), which folds the score lines, interposes the support rods (2) that support both sides of the glass sheet at each score line.
8), and a striking member (29) formed by a round bar between the supporting rods (28) and having a tapered shape over its entire length is parallel to the axis of the supporting rod (28). A cutting station (7) that can be moved up and down in a folded state and that folds the parting line
Is provided with a transfer means (32) for transferring the divided glass plate (G2) to the storage station (8), and the transfer means (32) is provided with each of the divided glass plates (G1). A glass sheet subdivision device, comprising: a holding part (33) for holding by suction; and an interval adjusting part (34) for providing an interval between the divided glass sheets (G2).