JPH0818667B2 - Glass plate automatic loading / unloading method and apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention places a plurality of glass plates housed in a predetermined cassette on a conveyor one by one and conveys them, and at the same time one by one on a conveyor. The present invention relates to a glass plate automatic loading / unloading method and apparatus for accommodating a glass plate placed and conveyed in the cassette.

(Prior Art) Arrange glass plates of a predetermined size one by one on a conveyor,
An apparatus is known that sequentially conveys the glass plates while processing the surfaces of the glass plates. For example, a chemical vapor is sprayed onto the surface of the glass plate to form a transparent conductive film on the surface of the glass plate.

Here, the transportation of the glass plate to the apparatus or the transportation of the processed glass plate to a predetermined location is generally performed by housing a plurality of glass plates in a predetermined cassette. This was done to avoid the hassle of transporting glass plates that are easily damaged, but the problem here is how to take out the glass plates from this cassette and place them one by one on a predetermined conveyor. It is about how to place the glass plates and how to store the glass plates that have been processed and conveyed one by one in a cassette.

The conventional method of taking out the glass plates one by one from this cassette is as shown in FIG. That is, one of a plurality of glass plates L, ... Standing and stored in a cassette K as shown in (a) of the drawing is pushed up from below as shown in (b), and the upper part of the glass plate L is robotized as shown in (c). Arms A1, A
The glass plate L is gripped by 1 and moved onto a predetermined conveyor, and the glass plate L is re-gripted by the rotating robot arms A2 and A2 as shown in (d) and placed on the conveyor as shown in (e). . Further, the method of storing the glass plate L on the conveyor in the cassette K is also the reverse of the above.

(Problems to be Solved by the Invention) In the above conventional technique, the robot arms A1, A2, ... Are used to take out the glass plates L one by one from the cassette K and to store the glass plates L in the cassette K one by one. Since it is used, the processing cycle time for each glass plate L is long, and therefore the working time is long as a whole. Moreover, since the robot arms A1, A2, ... Which perform complicated movements are used, the device becomes complicated and many troubles such as breakdowns occur.

The present invention has been made to solve the above problems, and an object thereof is to shorten the cycle time of storing a glass plate in a cassette and removing the glass plate from the cassette to improve the capacity of the apparatus. It is an object of the present invention to provide a method and an apparatus for automatically inserting and removing a glass plate having a simple structure.

(Means for Solving Problems) An automatic glass plate insertion / extraction method for solving the above problems is a method of vertically aligning a plurality of horizontal glass plates arranged at a predetermined pitch. Vertical conveyance of a glass plate that is supported between two supporting endless belts that rotate in opposite directions and is supported between support protrusions provided at a predetermined pitch, and is integrally and intermittently raised and conveyed upward or lowered and conveyed downward. Between the step and the step of vertically transporting the glass plate through the glass plate storage cassette, a batch transfer step of glass plates for batch transfer of a plurality of glass plates in a predetermined pitch state, and the glass plate Through a conveyor that moves horizontally between the vertical transfer process and each of the glass plates, the glass plate is individually transferred, and the device for performing such a method is provided. Are multiple glass plates A first cassette reversing and supporting device that receives and inverts a cassette that is stored and conveyed at a predetermined pitch and that ejects the glass plate in the cassette outward by a payout device, and a horizontal glass plate from the cassette in the vertical direction. A first stock conveyor that receives and supports between two endless belts that rotate in opposition to each other between support projections provided at a predetermined pitch, and intermittently conveys the glass plate downwards, and the first stock conveyor. The lowermost glass plate that is horizontally installed below the first stock conveyor and moves horizontally, and takes out the glass plates one by one, and conveys them one by one, and the glass plates are positioned at predetermined positions and set at predetermined intervals. Horizontal between the entrance conveyor that conveys the sheets one by one, and the support projections that are provided at a predetermined pitch on the two endless belts that rotate the glass plates from the entrance conveyor facing each other in the vertical direction. A second stock conveyor that receives and supports the glass plate in a state and conveys a plurality of the glass plates intermittently upward at a predetermined pitch, and the second stock conveyor that is disposed on one side of the second stock conveyor. A payout device for collectively paying out a predetermined number of glass plates to the outside, and a second cassette reversing support device for receiving and storing the glass plates from the payout device in a cassette and reversing and transporting the cassette. And to have.

(Operation) According to the above means, the glass plates stored and conveyed in the cassette at a predetermined pitch are collectively dispensed from the cassette and arranged horizontally in the vertical direction at the pitch.
This glass plate is intermittently conveyed downward with a pitch. Then, the descending glass plates are placed one by one on a horizontally moving conveyor and conveyed.

In addition, the glass plates conveyed on the conveyor one by one are intermittently lifted vertically at a predetermined pitch in a horizontal state. Then, when a predetermined number of glass plates rise, they are collectively stored in a glass plate storage cassette, and the cassette is conveyed to a predetermined location.

(Embodiment) Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying FIGS. 1 to 12.

The overall structure of the device is that the glass plates are taken out one by one from the cassette containing the glass plates, and the glass plate take-out device that conveys the glass plates to the processing step, and the processed glass plates are stored in the cassette. First, the take-out device will be described with reference to FIGS. 1 to 6 and 12.

First, the cassette K for storing the glass plate L will be described with reference to FIG.
E, KE, bottom plate KB and left and right side plates KS, KS. Inside the side plates KS, KS, supporting protrusions KT, ...
Are vertically provided at a predetermined pitch P in the front-rear direction of the cassette K, and a predetermined number of glass plates L, ... With a predetermined shape are accommodated in the gap between the support protrusions KT ,. Further, a groove KP is formed in the central portion of the bottom plate KB, which is cut out in the front and rear, so that the glass plates L, ... Inside the cassette K can be collectively pushed out of the cassette K through the groove KP. . KE
-1 is a stopper for conveyance.

Now, as shown in FIG. 1, the take-out device is a glass plate L, ...
A first cassette conveyor 10 for transporting the cassette K containing the cartridges to the front, a first empty cassette conveyor 20 for discharging an empty cassette K to the rear, a cassette K from the first cassette conveyor 10, and receiving the cassette K. A first cassette reversing support device for reversing forward and delivering the glass plates L, ... From the cassette K to the next first stock conveyor 40, and for conveying the empty cassette K to the first empty cassette conveyor 20. 30, a first stock conveyor 40 that intermittently lowers the glass plates L, ... Collectively received from the first cassette inversion support device 30 at a predetermined pitch P, and the first stock conveyor
The glass plates L, ... descending by 40 are horizontally placed one by one and taken out, and the glass plates L, ... From the take-out conveyor 60 are conveyed in a predetermined direction, and the glass plates L ,. 1st and 2nd brush conveyor 7
It consists of 0, 80 mag. The individual devices will be sequentially described below.

The first cassette conveyor 10 is supported in the front-rear direction on the upper beams 2a, 2a of the pedestal 2 arranged on the base 1, and the cassette K, ... The one-cassette inversion support device 30 conveys it. The cassette K has its bottom plate KB abutted on this first cassette conveyor 10,
One of front and rear plates KE, KE (one without stopper KE-1)
Are conveyed with the glass plates L, ... standing upright on the left and right. A cassette stopper 13 is supported on the left and right support plates 11, 11 standing on the upper beams 2a, 2a on both sides of the first cassette conveyor 10 via a connecting member 12 and the like, and the cassette stopper 13 is The movement of the cassettes K, ... Is stopped by engaging the transport stopper KE-1 of the cassette K. Of course, in this case, the first cassette conveyor 10 is also stopped. Further, the horizontal positioning of the cassettes K, ... Is performed by rollers (not shown) attached to the side plates 14, 14 shown in FIG. Reference numeral 15 is a drive motor for the first cassette conveyor 10.

The first empty cassette conveyor 20 is provided on the lower beams 2b, 2b of the gantry 2 immediately below the first cassette conveyor 10 in the front-rear direction, and the empty cassettes K, ... It pays out backwards. An additional conveyor 21 driven from a drive source of the first empty cassette conveyor 20 via a chain or the like is connected to the rear side.

The first cassette inversion support device 30 is slidably supported vertically on rails 3a, 3a supported by a substantially triangular support frame 3, 3 supported by the front end of the base 1, and a lower portion 31a And a side 31b to form an L-shaped cassette base 31, a device main body 32 that supports the cassette base 31 and moves up and down along the rails 3a, 3a, and the cassette base attached to the device main body 32. Inversion cylinder 33 that rotates 31 around the device body 32
And a pay-out cylinder 34, etc., which is attached to the lower part 31a of the cassette table 31 and collectively pays out the glass plates L, ... From the inverted cassette K toward the first stock conveyor 40.

The lower part 31a of the cassette table 31 is provided with belt conveyors 35, 35 capable of rotating in the forward and reverse directions. The cassette table 31 receives the cassette K from the first cassette conveyor 10 at the elevated position and the belt conveyor 35 at the descended position of the cassette table 31. 1 Empty cassette K is delivered to empty cassette conveyor 20. The cassette K transferred to the cassette table 31 is fixed by a fixing device (not shown), and the cassette table 31 by the reversing cylinder 33 is fixed.
The rotation is rotated 90 degrees counterclockwise in FIG. 1 so that it is supported by the side portion 31b of the cassette base 31 and the orientation thereof is changed. In this state, the glass plates L, ... Are vertically arranged in the cassette K at a predetermined pitch P, and the glass plates in the cassette K are exposed by the dispensing cylinder 34 facing the groove KP of the bottom plate KB of the cassette K. L, ... Are collectively delivered to the first stock conveyor 40. The empty cassette K is discharged to the first empty cassette conveyor 20 by reversing the cassette table 31 by 90 degrees, lowering and releasing the fixation.

The first stock conveyor 40 is supported on the front and rear beams 4a, 4a of the support frame 4 arranged in front of the first cassette reversing and supporting device 30, and as shown in FIG.
Base 41 that can be moved back and forth along rails 8 and 8 on 4a and 4a.
And a left-right symmetrical vertical belt rotating device 42, 42 slidably supported on the rails 41a, 41a on the base 41 in the left-right direction.

The central portion of the base portion 41 is screwed with a front-rear feed shaft 43 having feed screws formed in the front-rear direction, and the front-rear feed shaft 43 has its both ends pivotally supported by the left and right beams 4b, 4b of the support frame 4. Since the longitudinal movement motor 44 supported by one of the left and right beams 4b, 4b is driven to rotate, the rotation of the longitudinal movement motor 44 allows the base portion 41 to move back and forth.

Further, the belt rotating devices 42, 42 are separated from each other by a predetermined distance to the left and right, and the lower ends of the main bodies 42a, 42a are supported by the left and right rails 41a, 41a on the base 41, and the main bodies 42a, 42a.
Since the left and right feed shafts 45, which are pivotally supported by the base 41 and have left and right feed screws formed in opposite directions, are screwed together slightly above the lower end portion, two belt rotation devices are rotated by rotation of the left and right drive motor 46. 42, 42 can be moved toward and away from each other in the left-right direction.

Two rotating shafts 47a, 47a are provided at the upper and lower parts of the main body 42a of the belt rotating device 42, and two pulleys 47,
An endless belt 48 that rotates up and down is mounted on the pulleys 47, 47. The belt 48 is provided with horizontal support projections 49 projecting outward at a predetermined pitch P. The device inner part 48a of the belt 48 projects inward from the main body 42a, and the device outer part 48b. Is pulled outward by a tension member 50. The belt 48 is intermittently lowered by a predetermined pitch P by the rotation of the pulley 47 by the stepping motor 51 at the inner part 48a of the apparatus.

Since the support protrusions 49, ... Of the belts 48, 48 of the left and right belt rotating devices 42, 42 are arranged at the same vertical position, the belt is rotated by the width of the glass plate L. apparatus
When the belts 48, 48 of 42, 42 are separated from each other, a plurality of glass plates are vertically arranged at a predetermined pitch P between the supporting protrusions 49 ,.
L, ... Can be supported horizontally, and the glass plates L, ... Can be lowered intermittently at a predetermined pitch P by driving the stepping motors 51,51.

Further, the glass plates L, ... From the cassette K are supplied to the first stock conveyor 40 by the belt rotating devices 42,42.
Is stopped before moving to the next step operation,
When the glass plate L descends to a predetermined position below, it is carried forward by the take-out conveyor 60. Since the first stock conveyor 40 can support the glass plates L, ... for two cassettes K, the glass plates L, ... Are supplied by the next cassette K when the upper glass plates L ,. It

The take-out conveyor 60 is arranged between the belt rotating devices 42, 42 of the first stock conveyor 40, and includes four pulleys 61, ... Is composed of an endless conveyor belt 62 or the like which is circumscribed on the outer periphery of the support frame 4 and rotates from the rear to the front, and the pulleys 61 ,.
are supported by the upper and lower support members 4d, ... And the upper and lower beams 4c ,. At the center of this pulley 61 is V
The mold groove 61a is formed, and the V-shaped engaging portion 6 is also formed on the conveyor belt 62.
2a is formed, the V-shaped engaging portion 62a is formed in the V-shaped groove 6
The conveyance belt 62 is engaged with the la 1a, and the lateral displacement of the conveyor belt 62 is restricted when the conveyor belt 62 rotates.

Further, the conveyor belt 62 is narrower than the glass plate L and supports the central portion of the glass plate L to convey the glass plate L, and the portion where the conveyor belt 62 passes between the belt rotating devices 42, 42 is It slides on the suction device 64 of the glass plate L located under the belt rotation devices 42, 42. The suction device 64 is supported on the base 41 of the first stock conveyor 40, has a V-shaped groove 64b for the conveyor belt 62 as shown in FIG. 6, and is a space where the inside is maintained in a negative pressure state. It has a box-like shape in which the portion 64c is formed, and has suction holes 64a, ... Penetrating to the side of the conveyor belt 62 on its upper surface. On the other hand, since the conveyor belt 62 also has suction holes 62b, ... Corresponding to the suction holes 64a in the longitudinal direction of the belt, it is supported by the supporting projections 49, 49 of the first stock conveyor 40 as shown in FIG. When the descending glass plate L is received by the upper surface of the conveyor belt 62, the glass plate L is sucked into the suction hole.
It is adsorbed and supported on the surface of the conveyor belt 62 via 62b, 64a, ... And is taken out from the first stock conveyor 40 at a predetermined interval as the conveyor belt 62 moves forward.

The first brush conveyer 70 transfers the glass plates L, ..., which are conveyed forward from the take-out conveyer 60, to the next second brush conveyer 80. As shown in FIG. Of the rotary shaft 63a, two sprockets 72, 72 attached to the left and right of the pulley 61, and two sprockets 72, 72 provided at the center of the rotary shaft 71 pivotally supported on the front support frame 4 in the left and right directions. The conveyor belts 73, 73 each having an outer surface in the shape of a brush are meshed with each other and are rotated. The conveyor belts 73, 73 are the first
As shown in the figure, another rotation shaft 74 slightly below the support frame 4 is provided.
Is also engaged via a sprocket, etc.
The tension of the conveyor belts 73, 73 is adjusted by moving the belt up and down.

Further, 75 is a drive sprocket rotated by a drive source (not shown), and the first sprocket 75 drives the first brush conveyor 70, and the take-out conveyor 60 is also driven via a rotary shaft 63a. . Therefore, the glass sheet L from the take-out conveyor 60 is also carried forward by the first brush conveyor 70 at the same speed as the take-out conveyor 60.

Reference numeral 76 is a support plate for preventing the conveyor belt 73 from sagging.

The second brush conveyor 80 is arranged at the frontmost part of the support frame 4 so that the rear part thereof is slightly overlapped with the first brush conveyor 70, and the rotary shaft 81 pivotally supported at the front end of the support frame 4 is provided.
And a rotary shaft 82 disposed slightly rearward of the rotary shaft 71 of the first brush conveyor 70, and a rotary shaft 83 rotatably supported at a slightly lower portion of the support frame 4 through sprockets 84, ... Is a mesh of three brush-shaped conveyor belts 85, .... Here, 86 is a drive sprocket that is rotationally driven by a drive source (not shown), and the rotational speed of the rotary shaft 82 is the rotary shaft of the first brush conveyor 70.
Since it rotates more slowly than 71, the glass plates L, ..., Which have been conveyed by the first brush conveyor 70, will be interspaced between the glass plates L, .. . Reference numeral 87 is a support plate for preventing the conveyor belt 85 from hanging down.

The overall operation of the glass plate take-out device described above will be described below.

Glass plate L conveyed by the first cassette conveyor 10, ...
After being supported by the first cassette reversing and supporting device 30, the cassette K storing therein is reversed 90 degrees forward, and the glass plates L, ...
It is transferred to 40 at a time in a horizontal state. The remaining empty cassette K is reversed to the original position by the first cassette reversing support device 30 and is lowered to the position of the first empty cassette conveyor 20 and transferred to the first empty cassette conveyor 20.

The glass plate L transferred to the first stock conveyor 40,
Are conveyed downward by the first stock conveyor 40, and the glass plate L at the lowermost end thereof is adsorbed and supported by the take-out conveyor 60 and conveyed forward. The suction of the glass plate L by the take-out conveyor 60 is released at a predetermined position, and it is transferred to the next first brush conveyor 70. Then, the glass plates L, ... Are further transferred onto the second brush conveyor 80 moving at a lower speed than the first brush conveyor 70 with the space between the glass plates L ,. It is further conveyed to the surface processing apparatus by another conveyor or the like.

Next, the insertion device will be described with reference to FIGS. 7 to 11. The basic idea of the loading device is that the cassette K or glass plate L of the unloading device is reversed in the conveying direction, and detailed description of devices similar to the unloading device will be omitted.

As shown in FIG. 7 from the right side to the left side, the basic structure of the loading device is a payout conveyor 100, a first alignment device 110, a loading conveyor 120, a second stock conveyor 130, and a second cassette. Reverse support device 150, second cassette transfer conveyor 160, second empty cassette transfer conveyor 1
It consists of 61 mag.

The pay-out conveyor 100 is provided at the rearmost part of the pedestal 5 which is long in the front and back, and lowers the front end of the pay-out conveyor 100 to put the defective glass plate L into the waste box 190 below the pay-out conveyor 100. Frame 5 front and rear beams 5a,
Two frame members 102, 102 are fixed to the inner ends of the left and right support shafts 101, 101 pivotally supported by the support members 5c, 5c on 5a,
Two front and rear rotary shafts 103, 103 are pivotally supported between the frame members 102, 102, and a conveyor belt 10 having five brush-shaped outer surfaces via sprockets 104 ,.
5, ... are installed. Therefore, the drive source (not shown)
Conveyor belts 105, ... Glass plates L, ..., which have been conveyed one by one with the upper side moving forward, are transferred to the next conveyor 12
It will be transferred to 0.

Here, the tip ends of the rods 106a, 106a of the rotating cylinders 106, 106 pivotally supported by the support member 5c are pivotally attached to the outer ends of the support shafts 101, 101 via the arm members 107, 107. As the rods 106a, 106a extend, the front ends of the frame members 102, 102 rotate downward via the support shafts 101, 101, so that the glass plate L that has not been machined can be put into the waste box 190.

The infeed conveyor 120 inserts the glass plates L, ... Received from the payout conveyor 100 into the second stock conveyor 130 one by one, and places them. The front and rear beams 5a, 5a of the pedestal 5 are placed.
Two endless conveyor belts 124, 124 are stretched in a rectangular shape with four rotary shafts 121 supported between the upper support members 5c, ... And upper and lower beams 5b ,. It is rotated and moved. The outer surface of the conveyor belt 124 has a brush-like shape, and the upper part of the conveyor belt 124 has a drive source 1
It moves forward by 25. In addition, the incoming conveyor
On the rear side of 120, two new conveyor belts 127, 127 are arranged between another rotating shaft 122 and a rotating shaft 121 at the rear end via sprockets 126, ..., The conveying surface of the glass sheet L is wide. . Reference numerals 128 and 129 denote support plates that prevent the conveyor belts 124, 127, ...

The first alignment device 110 aligns the glass plates L, ... Which are conveyed on the conveyor in the left-right direction so that the glass plates L ,. As shown in the figure, it is attached downward to the center of the gate beam 111 which is erected on the support frame 5. A cylinder member 112, in which upper and lower two-stage cylinders 112a, 112a facing in the left-right direction are formed, is fixed to the lower part of the gate-shaped beam 111, and two rods 113, 114 are provided in the cylinders 112a, 112a.
Are movably supported in different directions. A gear 115 that is rotated by a drive device (not shown) is fitted in the boundary between the two cylinders 112a, 112a of the cylinder member 112, and the gear 115 is attached to the upper and lower racks 113a, 114a formed on the rods 113, 114. Since the gears 115 are meshed with each other, the rotation of the gear 115 in the counterclockwise direction in FIG. 11 causes the upper rod 113 to move leftward in the figure and the lower rod 114 move rightward in the figure.

L-shaped positioning members 116 and 117 are fixed to one ends of the rods 113 and 114 so as to face each other, a positioning plate 118 is provided at one of the opposing ends, and a rotatable positioning roller 119 is provided at the other of the opposing ends. Are installed respectively. The positioning member 116, 117 has the other rod 11
Rod insertion holes 116a and 117a are provided to prevent interference with 3,114. Since the positioning roller 119 and the positioning plate 118 are arranged at the height corresponding to the conveying surface of the glass plates L, ..., The glass plate L obliquely placed on the entrance conveyor 120 is the first plate. 1 When it is carried on the alignment device 110, the positioning plate 118 and the positioning roller 119 that are open to the left and right move to the center by the rotation of the gear 115 and come into contact with the side end portion of the glass plate, so that the glass plate L is removed. Move in the correct direction and position.

Another second alignment device 180 is also symmetrically arranged on the support base 5 behind the second stock conveyor 130. The second alignment device 180 is rotated around the rollers 181, ... and separated by the width of the glass plate L. The belts 182, 182 of the book come into contact with the side end portions of the glass plate L to finally adjust the position adjustment of the glass plate L by the first alignment device 110. 18
3,183 are drive sources for the rollers 181 ,.

The second stock conveyor 130 arranged on the gantry 5 so as to sandwich the infeed conveyor 120 is exactly the same as the first stock conveyor 40 described above. A base 131 that is movable to
Left-right motor along the rails 131a, 131a on the base 131
The belt rotation device 13 is vertically and horizontally symmetrical, and can be moved toward and away from each other in the left-right direction by the 134 and the shaft 135.
It consists of 2,132 mag.

The belt rotation device 132 includes a support protrusion 137 having a predetermined pitch P,
An endless conveyor belt 136 having ...
It is mounted between 8 and 138, and the stepping motor 139 causes the inner part 136a of the conveyor belt 136 to intermittently move from below to above at a predetermined pitch P. Left and right belt rotating devices 132, 132, support belts 136, 136 of the supporting belts 137, ...
Are located at positions opposite to each other in the vertical direction, and the distance between the left and right conveyor belts 136, 136 is adjusted to be substantially equal to the width of the glass plate L. Therefore, the glass plate L conveyed by the infeed conveyor 120. Will be inserted and supported on the left and right support protrusions 137, 137 of the conveyor belts 136, 136.

Here, since a glass stopper (not shown) is arranged on the front side of the second stock conveyor 130 where the glass plate L is inserted from the entry conveyor 120 to the second stock conveyor 130, The inserted glass plate L hits the glass stopper and is positioned on the second stock conveyor 130.

A payout cylinder device 170 is provided above the gate-shaped beam 171 arranged on the gantry 5 on the slightly rear side of the second stock conveyor 130.
Is fixed and the push plate attached to the tip of the rod.
At 172, a predetermined number (one cassette) of glass plates L, ... In the second stock conveyor 130 can be pushed out toward the second cassette reversing support device 150 at the front.

The second cassette reversing support device 150 is supported movably up and down on the support pedestals 7, 7 on the base 6 arranged in front of the support pedestal 5 via rails 7a, 7a, and by the reversing cylinder 152, the device body. The L-shaped cassette base 151 pivotally supported by 153 is capable of reversing 90 degrees, and the glass plates L, ... Are stored in the cassette K on the cassette base 151 from the second stock conveyor 130 at a predetermined pitch P. After that, the cassette K is transferred to the second cassette transport conveyor 160 in the front. The cassette table 151 moves the cassette K having the glass plates L, ...
The operation of receiving the empty cassette K from the empty cassette carrying conveyor 161, ascending, reversing to the second stock conveyor 130 side, and storing the glass plates L, ... In the empty cassette K is repeated.

 The overall operation of the insertion device will be described below.

The processed glass plates L, ... Are placed and conveyed one by one on a conveyor (not shown), but the payout conveyor 10
When transferred to 0, the defective product is discharged into the waste box 190.
The well-processed glass plates L, ... Are transferred to the infeed conveyor 120, the positional deviation on the conveyor is adjusted by the first and second alignment devices 110 and 180, and the second stock conveyor 130 is moved.
The sheets are transferred one by one in the vertical direction at a predetermined pitch P and intermittently conveyed upward by a pitch.

Predetermined amount of glass plate by the second stock conveyor 130
When L, ... is conveyed to a predetermined height, the glass plate L, ...
Is stored in an empty cassette K on the front second cassette reversing support device 150 by the pay-out cylinder device 170. The cassette K is transferred to the second cassette transfer conveyor 160 by reversing the cassette base 151 of the second cassette reversing support device 150.
It is transferred to and transported to a predetermined place. Also cassette stand
When the empty cassette K carried from the second empty cassette carrying conveyor 161 by the lowering of 151 is carried into this cassette table 151, the cassette table 151 goes up and is inverted to the second stock conveyor 130, and so on. Repeats such movements.

(Effect of the Invention) According to the present invention relating to the method as is clear from the above, a vertical conveying step of intermittently conveying upward or downward while arranging a plurality of horizontal glass plates vertically at a predetermined pitch, and the vertical conveying step A batch transfer process for collectively transferring a plurality of glass plates through a glass plate storage cassette between the transfer process and the vertical transfer process, and the glass plates are transferred one by one via a horizontally moving conveyor. Since it has individual delivery steps for delivering and receiving, it is possible to continuously take out the glass plates stored in the cassette one by one and store the glass plates individually in the cassette in a continuous manner. Therefore, it is possible to shorten the cycle time for storing or taking out one glass plate in the cassette, and the working time can be shortened.

Also in the present invention relating to the apparatus, the above-mentioned effects can be obtained by a combination of simple devices such as the first and second stock conveyors, the first and second cassette reversing support devices, the takeout conveyor, the input conveyor, and the payout device. At the same time, it is possible to reduce the size of the entire device and facilitate handling.

[Brief description of drawings]

1 is a side view of the take-out device, FIG. 2 is a plan view of FIG.
FIG. 3 is a front view of the first stock conveyor and the take-out conveyor, FIG. 4 is a side view of FIG. 3, FIG. 5 is a plan view of FIG. 3, and FIG. 6 is an enlarged view of the X part of FIG. FIG. 7 is a partial side view of the inserting device, FIG. 8 is a plan view of FIG. 7, FIG. 9 is a front view of a second stock conveyor and an entering conveyor, and FIG. 10 is a plan view of FIG. FIG. 11 is an enlarged sectional view of the first alignment device, FIG. 12 is a view showing a cassette, and FIG. 13 is a view showing a conventional technique. In the drawing, 30,150 are the first and second cassette inversion supporting devices,
40 and 130 are first and second stock conveyors, 60 is a take-out conveyor, 120 is a take-in conveyor, 170 is a payout cylinder device, K is a cassette, L is a glass plate, and P is a pitch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Akira Shirai Akira Shirai 3-5-21 Kashida Nishi, Higashi-Osaka City, Osaka Prefecture Shirai Iron Works Co., Ltd. (56) References Japanese Patent Publication Sho 48-5668 (JP, B1)

Claims (2)

[Claims] 1. A plurality of horizontal glass plates, which are vertically arranged at a predetermined pitch, are supported by two endless belts, which rotate in opposition in the vertical direction, between supporting projections provided at a predetermined pitch to be integrated. Between the vertical conveying step of vertically and intermittently raising and conveying upward, or lowering and conveying downward, and the vertical conveying step of the glass sheet via a cassette for storing glass sheets, Transfer of glass plates one by one via a conveyor that moves horizontally between the batch transfer process of glass plates for batch transfer of a plurality of glass plates and the vertical transfer process of the glass plates The method of automatically inserting and removing a glass plate, which comprises the steps of individually delivering and receiving the glass plate. 2. A first cassette reversing support device for receiving and reversing a cassette for accommodating and transporting a plurality of glass plates at a predetermined pitch, and for ejecting the glass plates in the cassette outward by a payout device; A horizontal glass plate is received and supported between supporting projections provided at a predetermined pitch on two endless belts that rotate in opposition to each other in the vertical direction, and the glass plate is intermittently conveyed downward by a pitch. A stock conveyor, a take-out conveyor that is provided below the first stock conveyor, that takes in the bottommost glass plate that moves horizontally and descends from the first stock conveyor, and conveys the glass plates one by one, and the glass plate A feeding conveyor that positions the sheets at a prescribed position and conveys them one by one at a prescribed interval, and two glass belts from the feeding conveyor that are vertically opposed to each other and are rotated by two endless belts. A second stock conveyor that receives and supports in a horizontal state between support projections provided at a pitch, and intermittently conveys a plurality of the glass plates upward at a predetermined pitch, and one side of the second stock conveyor. Arranged, the second
Of a predetermined number of glass plates in the stock conveyor in batch, and a second cassette that receives and stores the glass plates from the payout device in a cassette and inverts and transports the cassette. An automatic loading / unloading device for a glass plate, comprising an inverting support device.