JPH09208055A - Long material stacking device - Google Patents

Abstract

(57) [Abstract] [Problem] The operation of stacking plate-shaped long materials can be performed automatically and quickly without relying on manual labor,
Improve safety and reliability. SOLUTION: A pair of left and right lifters 21 and 21 that lifts a plate-shaped long material W to a predetermined height position, and the plate-shaped long material W that is lifted by the pair of left and right lifters 21 and 21. It is composed of a pair of left and right stockers 30 and 30 which are sequentially stacked and accumulated to a predetermined number of sheets, and the pair of left and right stockers 30 and 30 respectively receive the plate-shaped long material W in two revolving shelves 31 and 30. 32, the two swivel shelves 31, 32 are synchronously swiveled with a certain angular interval left therebetween, and are independently movable in a direction orthogonal to the swivel plane. .

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a long material sorting and accumulating device for automatically stacking long materials such as wood lumber into a predetermined number of sheets.

[0002]

2. Description of the Related Art Conventionally, for example, a large number of timbers K as shown in FIG. Long material) W,
W,-is obtained, and each obtained plate material W, W, -is given its width dimension b.
According to the above, the sheets are sorted and classified into several types and stacked, and when a predetermined number (for example, 10) of plate materials W, W, -having a width dimension within a predetermined range (for example, 74 mm or more and less than 76 mm) are stacked, 10 It is common practice to pack (band) a laminate made up of sheets of plate material W, W, and cut and cut it to a predetermined length before shipping.

[0003]

By the way, at the present time, the lumbering work, the packing work, and the sawing work are being labor-saving, mechanized, and automated to some extent.
The work of sorting and stacking W and so on into several types according to the width dimension has not yet achieved labor saving, mechanization and automation, and there are many parts that rely on human labor.
Therefore, especially the stacking work requires a great deal of labor and time, and the stacking work takes more time than the time required for the lumbering work. Was a cause of lowering the operating rate of. Further, when the stacking work is performed manually, not only is it inefficient and tired, but it is also easily injured. Therefore, labor saving, mechanization, and automation are also desired in this respect.

The above description has been made by taking the case where the plate materials W, W, and the like obtained by sawing wood are sorted and stacked, but the same stacking work is not limited to wood, and other stacking work is also possible. It may also be applied to plywood, resin plate, etc., and not only according to the width dimension of the plate-shaped long material, but also according to its thickness, rank (whether scratches etc.), specifications, type of wood, properties, etc. There is also a similar problem in this case. The present invention
It was made in view of such a problem, and its purpose is to make it possible to automatically and quickly perform the work of stacking plate-shaped long materials without relying on human hands, and to improve the operating rate, safety, Another object of the present invention is to provide a long material accumulating device capable of improving reliability.

[0005]

In order to achieve the above object, a long material sorting and accumulating apparatus according to the present invention comprises a pair of left and right lifters for raising a plate-shaped long material to a predetermined height position. The pair of left and right stockers sequentially stacks and accumulates the plate-shaped long materials W, which have been lifted up by a pair of left and right lifters, to a predetermined number, and each of the pair of left and right stockers has the plate-shaped length. It has two swivel shelves for receiving the scale material W, and the two swivel shelves are synchronously swiveled with a certain angular interval therebetween, and independently in a direction orthogonal to the swivel plane. It is characterized by being movable.

In a preferred embodiment of the long material stacking apparatus of the present invention, one of the two revolving shelves is pushed up by the plate-shaped long material lifted by the pair of left and right lifters, and in this state. By rotating the two swivel shelves by a predetermined angle, the plate-shaped long material W that has been lifted is transferred to the other of the two swivel shelves, and When the plate-shaped long material is placed on one of the swivel shelves, the raised plate-shaped long material W is inserted under the placed plate-shaped long material. It is made to be piled up.

[0007] In a further preferred embodiment, the two revolving shelves can be swung by a common linear actuator via a rack-pinion mechanism. As the pair of left and right lifters provided in the long material stacking device of the present invention, linear motion actuators arranged in parallel with each other and a tip of a piston rod of the linear motion actuator for mounting the plate-shaped long material, respectively. A receiving member attached to the rack, a rack that is integrally supported with the receiving member and is guided and supported so as to be movable in parallel with the piston rod, and pinions that mesh with the rack, respectively, and A preferred embodiment is one in which both ends of the synchronizing shaft are connected and fixed to the respective pinions of the pair of left and right lifters.

In a preferred embodiment of the long material stacking apparatus according to the present invention having such a configuration, the plate-shaped long material is lifted up to a predetermined height position by a pair of left and right lifters, and this lifting is performed. The plate-shaped long products thus squeezed are successively stacked and accumulated from the lower side by a stocker. In this case, since the piston rods of the linear motion actuators of the pair of left and right lifters are mechanically connected to each other through the rack, the pinion, and the synchronous shaft so as not to cause slip, the pair of left and right straight lines are Even if the internal resistance values of the dynamic actuators are different, those piston rods are synchronously ejected at the same speed and pulled back, and as a result,
It is possible to raise the plate-shaped long material without wobbling while keeping it horizontal.

The plate-shaped long member thus lifted up by the lifter pushes up one of the two swivel shelves in both stockers, and in this state, the two swivel shelves are lifted. When swiveled, the pushed swivel rack of the swivel shelves is pulled out from the plate-shaped long material and returned to the retracted position, and the other swivel rack is moved from the retracted position to the plate-shaped elongated member. It is swung to the lower side of the material. As a result, the above-mentioned raised plate material W is transferred to the other of the swivel shelves,
When the plate member is placed on one of the swivel shelves, the raised plate member is inserted below the placed plate member and above the other of the swivel shelves. Can be stacked.

As described above, in the long material stacking apparatus of the present invention, the lifting rack is lifted up by one operation by rotating the two revolving shelves in the pair of left and right stockers with a predetermined angular interval. Since the squeezed plate materials W can be inserted and stacked below the previously stacked plate materials, the work of stacking and accumulating the plate-shaped long materials can be performed automatically without resorting to human labor, and extremely quickly. In addition, it can be performed reliably and stably, and the operating rate, safety, and reliability can be improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic side view of a long material sorting and accumulating apparatus in which an embodiment of the long material accumulating apparatus according to the present invention is adopted. The long material sorting and accumulating device 10 shown in the figure is made into a lumber as shown in FIG. 17 by a lumber machine arranged on the left side (front side) of FIG.
According to the width dimension b, there are several kinds (four kinds here) of plate materials (plate-shaped long materials) W, W, and-having substantially the same thickness dimension (plate thickness) d and different width dimensions b. ), The sheets are stacked by the long material stacking apparatus 20 according to the embodiment of the present invention, and the width dimension is within a predetermined range (for example, 74 mm or more and less than 76 mm).
(0 sheets) When stacked, the 10 sheet materials W, W, ─
The laminated product P consisting of is carried out to the packing saw cutting machine 300 of the next step arranged on the right side of FIG.

The long material sorting and accumulating device 10 includes a large number of vertical column members 11a, lateral side members 11b,
The vertical side member 11c (FIG. 3) is provided with a frame 11 assembled in a tower shape, and a conveyor for conveying the plate material W conveyed from the conveyor 14 in the horizontal direction (horizontal direction) below the frame 11. 15 is arranged so that the start end thereof overlaps the end of the carry-in conveyor 14. As can be seen from FIG. 3 and FIG. 4, the conveyor 15 includes sprockets 17 and 17 rotatably attached to both ends of a pair of support plates 16 and 16 arranged on the left and right when viewed from the front. It is equipped with a pair of left and right carrier chains 18, 18 wound around
The sprocket 1 is driven by a motor (not shown).
By rotating 7 and 17 synchronously via the drive shaft 19, the pair of left and right conveyor chains 1
8 and 18 are rotationally moved at the same speed, so that the plate material W is horizontally conveyed along the width direction thereof from left to right in FIG. The guide plates 86, 86 are provided on the upper surfaces of the left and right end portions of the vertical side member 11c of the frame 11 in order to prevent the plate material W from being largely displaced left and right.
Are variably arranged.

The members 11 of the frame 11 are arranged along the conveying direction of the plate material W by the conveyor 15.
It is divided by a, 11b, and 11c so that the first
The station St1, the second station St2, the third station St3, and the fourth station St4 are arranged in parallel. When viewed in the transport direction of the plate material W, a pair of upper and lower sensor mounting units 95, 95 are arranged on the upright pillar member 11a upstream of the first station St1 so as to be positioned above and below the plate material W being transported. This sensor mounting unit 95, 9 is mounted horizontally so that it is parallel to
5, a light emitting device and a light receiving device which constitute a photoelectric sensor 96 for measuring the width dimension of the plate W and a light emitting device and a light receiving device which constitute a sensor 97 for measuring the thickness dimension are attached respectively.

Further, the plate material W by the conveyor 15
3, a limit switch LS1 is provided in the vicinity of the start end of the conveyor 15 and a limit switch LS2 is provided in front of the station St1 as shown in FIG.
However, the limit switches LS3, LS4, LS5, LS6 are provided at predetermined positions of the stations St1 to St4, respectively.
However, there is a limit switch L near the end of the conveyor 15.
S7 is arranged with such a position and attitude that the operating lever is swung when the plate W traverses each other so that the operating state can be switched from the OFF state to the ON state. A limit switch LS8 is also provided near the end of the conveyor 90 in such a position and orientation that the operating state is switched from the OFF state to the ON state when the laminate P having the ten plate materials W stacked therein passes. .

Here, each of the stations St1 to St
In Fig. 4, only the plate materials W having the width dimension b and the thickness dimension d in the respective predetermined ranges are stopped and stacked. That is, as will be described later, the width dimension b and the thickness dimension d of the plate material W being conveyed in the width direction by the conveyor 15 are measured based on the signals from the photoelectric sensors 96 and 97, and the thickness dimension d of the front plate material W is measured. Is d ₁ or more and less than d ₂ , and the width dimension b of the plate material W is b ₁ or more and less than b _2, to station St ₁ , if b ₃ or more and less than b ₄ , to station St ₂ , b ₅ or more and less than b _6. to the station St3, to refer to station St4 if less b ₇ or b _8, the plate W to be determined whether the transport is in any of said stations ST1 to ST4, the determined station St1, St2, St
At 3 or St4, the plate material W is conveyed by the conveyor 15 and stopped. The stations St1 to St4 have basically the same configuration, and as shown by the first station St1 as a representative in FIG. 2, the long material stacking apparatus 20 and the pushing apparatus 40 according to the present invention. A carry-out device 50 is provided.

The long material stacking device 20 according to the present invention comprises a pair of left and right lifters 21, 21 and a stocker 30, 30, and the pair of left and right lifters 21, 21 are:
As can be seen with reference to FIGS. 3 and 4, the conveyors 15 are arranged side by side at predetermined intervals along a direction (length direction) orthogonal to the conveyance direction (width direction) of the plate material W.
The plate material W conveyed by the above is lifted up to a predetermined height position, and the pair of left and right stockers 30, 30 also correspond to the pair of left and right lifters 21, 21. The sheet materials W, which are juxtaposed by the pair of left and right lifters 21 and 21 and are juxtaposed along a direction orthogonal to the transport direction, are stacked and accumulated until, for example, 10 sheets are stacked. To be done. In addition, the pushing device 40 corresponds to the pair of left and right lifters 21 and 21 and the stockers 30 and 30, as shown in FIG. 12 and FIG. 13, along a direction orthogonal to the transport direction of the plate W. A pair of left and right pushing units 40A and 40B arranged side by side at intervals is provided, and a stack P made up of 10 plate materials W, W, ... Stacked by the long material stacking device 20 is pushed in the width direction. To be done.

Further, the carry-out device 50 is an elevator 60 that raises the laminate P that has been pushed and transferred by the pushing device 40 to a predetermined height position, and the laminate P that has been raised by the elevator 60. A pair of left and right delivery devices 51, 5 arranged side by side at predetermined intervals along a direction orthogonal to the transport direction of the plate material W.
1, and a conveyer 90 that carries out the laminated product P received by the pair of left and right handing devices 51, 51 to the next step. The pair of left and right lifters 21 and 21 provided in the long material stacking device 20 of the present embodiment each include an air cylinder 24, as can be seen by referring to FIG. 4 in addition to FIG. The air cylinder 24 is attached to an upper surface attachment plate 75 of a support frame 74 assembled in a prismatic shape, with the piston rod 24a thereof protruding upward, in an upright posture along a vertical line. A plate-shaped receiving member 23 for mounting the plate material W is attached to the tip of the piston rod 24a of the air cylinder 24.

Then, the pair of left and right lifters 21, 2
Even if the internal resistance values of the air cylinders 24, 24 provided in 1 are different, their piston rods 24a,
In order to project 24a synchronously, that is, in order to lift up the plate material W placed on the receiving members 23, 23 while keeping it horizontal, the left and right lifters 21, 21 are respectively provided with a drawing. As well understood by referring to FIGS. 8 and 9 in addition to FIGS. 2 to 4, a round bar rack 25 provided with a rack portion 25a and a pinion 26 that meshes with the rack portion 25a are provided. The pair of left and right lifters 2
The round bar racks 25 and 2 respectively installed in 1 and 21.
5, the upper ends of the receiving members 23 are connected to the receiving member 23, and are guided by the guide sleeve 28 attached to the supporting frame 74 so as to be movable in parallel with the piston rod 24a.

Further, the pair of left and right round bar racks 25, 2
A pair of left and right pinions 26, 26, which are respectively engaged with the gear 5, are connected and fixed to both ends of one synchronizing shaft 27 by a key or the like so as to rotate integrally. The parts are the support frames 74, 74.
Each is rotatably supported by. In this case, the piston rods 24a, 24a of the air cylinders 24, 24 of the pair of left and right lifters 21, 21 are prevented from slipping through the round bar racks 25, 25, the pinions 26, 26, and the synchronous shaft 27. Will be mechanically connected to. Therefore, even if the inner resistance values of the pair of left and right air cylinders 24, 24 are different, the piston rods 24a, 24a are synchronously ejected and pulled back at the same speed. It is possible to lift the plate material W horizontally while keeping it horizontal.

Incidentally, in order to adjust the position and posture of the plate material W which is lifted up by the lifters 21 and 21, as shown in FIG.
As shown in FIG. 5, the width W of the plate W is different from each other on the side of the stockers 30, 30 which is a passage through which the plate W passes when the plate W is lifted. ), The alignment guide members 76 and 77 are arranged so as to face each other in a state in which they are separated from each other by a distance larger than that of FIG. In this case, the one alignment guide member 76 is moved toward and away from the other alignment guide member 77 by the screw type adjusting mechanism 78 so that the separation distance between the pair of alignment guide members 76 and 77 can be adjusted. Is able to.

On the other hand, each of the pair of left and right stockers 30, 30 arranged above the pair of left and right lifters 21 forms an angle of 90 degrees with each other, as can be seen by referring to FIG. 5 in addition to FIG. Two swiveling shelves 31 and 32 are provided with a space therebetween along the lengthwise direction of the plate material W. The two revolving shelves 31, 32 are slidably fitted on revolving rods 36, 36 vertically arranged at a predetermined interval in a main body case 30a mounted and fixed to the vertical column member 11a of the frame 11, respectively. The holding sleeves 37, 37 are fixed with bolts (see FIG. 8).

As can be seen from FIG. 8, the turning rods 36, 36 have their lower base ends rotatably supported by the body case 30a via bearings 87, 87. The pinion 38 is the key 8 at this base end.
9 (see FIG. 6). Further, a key or spline 36a is provided in a portion of the swiveling rods 36, 36 projecting upward from the main body case 30a, and a holding sleeve 37, 37 to which the swivel shelves 31, 32 are fixed. A fitting groove provided in the inner peripheral portion is fitted, and the swivel shelves 31, 32 together with the holding sleeves 37, 37 are arranged in the vertical direction (in the swirl plane) with respect to the swivel rods 36, 36. In the direction (orthogonal to the direction perpendicular to each other), it can freely move independently, but it cannot rotate relative to it, and rotates together with the turning rods 36, 36.

At one end of the main body case 30a, as can be seen by referring to FIGS. 5 and 6, an air cylinder 33 has a piston rod 33a on the main body case 30a side via a holding bracket 30b. A round bar that is attached in a facing orientation, and that has a rack portion 34a at the tip of the piston rod 33a that meshes with the pinions 38 and 38 fixed to the base ends of the swiveling rods 36 and 36, respectively. The rack 34 is connected.
The round bar rack 34 is slidably held in the main body case 30a and is horizontally moved integrally with the piston rod 33a, whereby the swivel rods 36, 36 and the swivel shelf 31 are moved. , 32 can be rotated left and right in synchronization with each other in a horizontal plane with an angular interval of 90 degrees therebetween.

The long material stacking apparatus 20 of this embodiment, which has the pair of left and right lifters 21 and 21 and the stockers 30 and 30 configured as described above, can be understood with reference to FIGS. 7 to 9. As described above, when the air cylinders 24, 24 of the pair of left and right lifters 21, 21 are operated and the piston rods 24a, 24a thereof are projected upward, the plate material W is kept horizontal and the conveyor 1
It is slammed from 5. Then, as shown in FIG. 9, the two swiveling shelves 31, 3 in the stockers 30, 30 are provided by the plate material W that has been raised.
One of the two (here, the swivel shelf 32) is pushed up, and in this state, the air cylinders 33 of the stockers 30, 30 are operated to operate the piston rod 33a.
When the sticks are pushed out or retracted (here, retracted), the two swiveling shelves 31, 32 in the stockers 30, 30 are rotated 90 degrees from each other by the engagement of the round bar rack 34 and the pinions 38, 38. 90 ° inward with respect to each other in a plan view (FIG. 7) with the angular intervals kept.
It is made to turn once.

As a result, one of the swivel shelves 31 and 32 (in this case, the swivel shelf 32) is pulled out from the plate material W side (a state sandwiched between the upper plate material W and the lower plate material W). And is returned to the main body case 30a side, and the other of the swivel shelves 31 and 32 (in this case, the swivel shelf 3).
1) is swung from the main body case 30a side to the lower side of the lowermost plate W, as indicated by the phantom line in FIG. As a result, the plate material W is raised on the other of the swivel shelves 31 and 32 (in this case, the swivel shelf 31).
When the plate material W is placed on one of the swivel shelves 31 and 32 (here, the swivel shelf 32), the sheet material W is placed below the loaded sheet material W. The other of the swivel shelves 31 and 32 (here, the swivel shelf 3
The above-mentioned raised plate materials W are inserted and stacked on the upper side of 1).

When the air cylinder 33 is operated and the piston rod 33a is projected in the opposite direction to the above, the operations of the swivel shelves 31, 32 are reversed and the plate materials W are stacked on the swivel shelf 32 side. To be in this way,
In the long material stacking apparatus 20 of the present embodiment, the two revolving shelves 31, 3 in both the stockers 30, 30 are provided.
The plate material W lifted up by the lifter 21 can be inserted into the lower side of the plate materials W previously stacked by one operation of rotating the two 90 degrees while keeping the angular interval of 90 degrees. Therefore, the work of stacking and accumulating the plate materials W can be performed automatically without relying on human hands, and extremely quickly and stably and reliably, and the operating rate, safety, and reliability can be improved.

In this way, the long material stacking device 20
When 10 of the plate materials W are stacked and accumulated in the stocker 30 of FIG. 11, as shown in FIG. 11, a laminate P composed of the 10 plate materials W is placed above the pair of left and right stockers 30, 30. The pushing device 40 arranged in this way pushes it in the width direction and transfers it to the elevator 60 of the carry-out device 50. The pushing device 40 can be seen by referring to FIG. 12 and FIG. 13 in addition to FIG.
A pair of left and right pushing units 40A, 4 arranged side by side at a predetermined interval along the length direction of the laminate P composed of 10 plate materials W
0B, and air cylinders 45 are provided in the pushing units 40A and 40B, respectively. The air cylinder 45 has a direction orthogonal to the conveying direction of the plate material W,
That is, it is attached via a holding bracket 40b to the outer side surface portion of the main body case 40a attached via the support arm 81 to the vertical column member 11a of the support frame 11 so as to be parallel to the laminate P (FIG. 10).

In the main body case 40a, an upper portion of the rotary shaft 43 is rotatably held in a vertically standing posture via bearings 43c, 43c, and the main body case 40a of the rotary shaft 43 is held. A disc-shaped swivel arm 42 is fixed to a lower end portion thereof projecting downward from so as to swivel in a plane (horizontal plane) parallel to the plate material W. A push rod 41 is vertically provided on the outer peripheral portion of the disc-shaped swivel arm 42 on the free end side.
A core rod 41b connected and fixed by a bolt 46 in an upright posture so as to be orthogonal to the laminate P and a sleeve-like pressure rotatably fitted to the outer periphery of the core rod 41b via a bearing 41c. And part 41a. A pinion 47 is fixed to the rotary shaft 43 serving as a pivot of the disc-shaped swivel arm 42 by a key 43a, and a round bar rack 44 provided with a rack portion 44a meshing with the pinion 47 is provided. The main body case 40a and a guide sleeve 40c (FIG. 10) provided on the inner side surface portion thereof are slidably fitted. Round bar rack 4
The outer end of 4 is connected to the tip of the piston rod 45a of the air cylinder 45.

Here, the pair of left and right pushing portions 40A, 4
As can be seen from FIGS. 12 and 13, the air cylinders 45, 45 provided in 0B are arranged so that their piston rods 45a, 45a face each other with respect to the conveyance direction of the plate material W. In a direction orthogonal to each other, that is, in a posture along the longitudinal direction of the laminate P, and
The air cylinders 4 are located outside the main body cases 40a, 40a when viewed in the left-right direction.
The tip ends of the round bar racks 44, 44 connected to the piston rods 45a, 45a of Nos.
8 and 48 are connected to a common synchronizing shaft 46, and the air cylinders 45, 45, the round bar racks 44, 44, and the synchronizing shaft 46 of the pair of left and right pushing units 40A, 40B are on the same straight line. They are connected in series and arranged in parallel with the laminate P.

In the pushing device 40 having such a structure, when one of the piston rods 45a, 45a of the air cylinders 45, 45 of the pair of left and right pushing portions 40A, 40B is projected and the other is pulled in, the round bar rack 44, Four
4 and the pinion 47, 47 through the both pushing portion 40
The disc-shaped swivel arms 42, 42 of A and 40B are swung in the same direction by 180 degrees at the same speed, and accordingly, the push rods 41, 41 of both the pushing parts 40A, 40B draw semicircles in the same direction. As described above, the stack P composed of the ten plate materials W is pushed straight in the width direction by the movement of the push rods 41, 41, and is transferred to the elevating / lowering member 61 of the elevator 60 of the carry-out device 50. (See FIG. 11).

In this case, the piston rods 45a, 45 of the air cylinders 45, 45 of the both pushing devices 40, 40
Since a is mechanically connected to each other through the round bar racks 44 and 44 and the synchronous shaft 46 so as not to slip, the pair of left and right air cylinders 45 and 4 are provided.
5, the piston rods 45a, 45a are ejected synchronously at the same speed and are pulled back, so that the laminate P is not inclined, Also, it can be moved quickly without moving in the longitudinal direction.

Further, since the pressing portion 41a forming the outer peripheral portion of the push rods 41, 41 is rotatable, the friction between the laminate P and the pressing portion 41a is reduced, and the pressing portion 41a is reduced. 41a, 41a, the friction between the laminate P
Undesired behavior does not occur in each plate material W forming the. Further, as described above, the linear motion of the piston rod 45a of the air cylinder 45 is converted into a rotary motion by the round bar rack 44 and the pinion 47, and the push bar 41 is swung to push the laminate P. Since the installation (posture) freedom of the air cylinder 45 is enhanced and it is not necessary to arrange the air cylinder 45 along the pushing direction of the laminate P, the layout of each part is facilitated and even in a restricted space. It becomes possible to install the device.

On the other hand, the unloading device 5 on which the stack P composed of the ten plate materials W is transferred by the pushing device 40.
As shown in FIG. 3, FIG. 14, and FIG. 15, the elevator 60 of No. 0 has an elevating / lowering mounting member 61 on which the laminate P is mounted, and left and right connecting both ends of the elevating / lowering mounting member 61. A pair of left and right lifting and lowering transmission mechanisms 60A and 60B, which are a pair of endless annular lifting and lowering chains 62 and upper and lower sprocket wheels 63 and 63 around which the lifting and lowering chains 62 are wound, and the pair of left and right lifting and lowering windings. Hanging transmission mechanism 6
The sprocket wheels 68 and 68 externally fitted and fixed to the rotary shaft 63a to which the sprocket wheels 63 and 63 of the pair of left and right lifting winding transmission mechanisms 60A and 60B for rotating the 0A and 60B in synchronization are fixed. (It overlaps with the sprocket wheels 63, 63 in FIG. 14)
And an endless annular drive chain 6 wound around it
It is composed of a drive winding transmission mechanism 60C composed of 7 and one air cylinder 65 which is a drive source of the drive winding transmission mechanism 60C (see FIG. 14).

The air cylinder 65 is connected to the drive chain 67 of the drive winding transmission mechanism 60C via a connecting tool 66 at the tip of its piston rod 65a, and the piston rod 65a is projected or pulled back. As a result, the chain 67 is rotated. In the elevator 60 having such a configuration, when the piston rod 65a of the air cylinder 65 is projected, the drive chain 67 of the drive winding transmission mechanism 60C is pulled and rotationally moved to rotate the sprocket wheels 68, 68. Is rotated, and the sprocket wheels 63, 63 of the pair of left and right raising and lowering winding transmission mechanisms 60A, 60B are rotated accordingly, and the pair of left and right raising and lowering chains 62, 62 are rotationally moved, and the laminate is The elevating / lowering member 61 to which P has been transferred is raised from the lowest position (transfer position) shown by the solid line in FIG. 14 to the highest position as shown by the alternate long and short dash line. The laminated product P is transferred to the pair of left and right delivery devices 51, 51.

In this case, the pulling force of the piston rod 65a of the air cylinder 65 passes through the drive chain 67, the sprocket wheels 68, 68, and the sprocket wheels 63, 63 to the lifting chains 62, 62, which are unlikely to slip. Since it is transmitted, the left and right lifting chains 62, 62 are rotationally moved in synchronism with each other, and the laminate P and the lifting / lowering mounting member 61 can be stably lifted without wobbling while keeping horizontal. Further, since the driving force is obtained by the air cylinder 65 without using a motor, speed adjustment and stroke setting are facilitated.

In order to prevent the stack P from being tilted and laterally displaced by the elevator 60,
As shown in FIG. 2, the width dimension b of the substantially plate material W (each station St1
A pair of guide plates 84, 84 that are slightly separated from each other by a distance larger than that of St4). In this case, in order to adjust the separation distance between the pair of guide plates 84, 84, the one guide plate 84 is vertically moved by the pair of screw type adjusting mechanisms 85, 85.
4 can be approached and separated from each other.

The delivery devices 51, 51 on which the laminate P is transferred from the elevator 60 have structures similar to those of the stockers 30, 30, respectively, as shown in FIG.
As can be seen from the above, the air cylinder 55 attached to the outside of the main body case 51a attached to the frame 11 via the support member 82, and the piston rod protruding toward the inside of the air cylinder 55 55
The round bar rack 56 connected to a and this round bar rack 56
A single swivel shelf 53 adapted to be rotated 90 degrees via a pinion (not shown) meshing with
By pulling in or protruding the piston rod 55a of the air cylinder 55, the swivel shelf 53
15 is a retracted position parallel to the elevating and lowering mounting member 61 as shown by a solid line in FIG. 15 and a receiving portion inserted in a recess 61a formed in the elevating and lowering mounting member 61 as shown by a chain line in FIG. The position and the position can be selectively taken.

In the pair of left and right delivery devices 51, 51 having such a structure, as shown in FIG. 14, when the elevating / lowering member 61 on which the laminate P is placed is raised to the highest position. , The air cylinder 55 is operated and the piston rod 55a is projected,
As a result, the swivel shelf 53 causes the lifting / lowering mounting member 61 to move.
It is swung from a retracted position parallel to the above to a receiving position to be inserted into a recess 61a formed in the upper surface of the elevating and lowering member 61. In this state, when the piston rod 65a of the air cylinder 65 of the elevator 60 is pulled in, the elevating and lowering mounting member 61 is lowered and the laminated product P is swung by the left and right transfer devices 51, 51. 53
Will be transferred to the above. In this way, the laminate P transferred onto the swiveling shelves 53, 53 of the pair of left and right handing devices 51, 51 is then transferred by the carry-out conveyor 90 to the long material sorting and accumulating device 10 of the present embodiment. It is designed to be carried out to the packaging saw cutting machine 300 in the next step, which is arranged on the right side.

The carry-out conveyor 90, as shown in FIG. 1, is similar to the conveyor 15 for carrying the plate material W, as shown in FIG.
A pair of support plates 19 and 19 arranged on the left and right when viewed from the front
A pair of left and right transport chains 92, 92 wound around sprocket wheels 91, 91 that are rotatably attached to both ends of the drive shafts (91, 91) by a motor (not shown). The pair of left and right carrier chains 92, 9 are rotated by being synchronized with each other via (not shown).
2 are rotationally moved at the same speed, so that FIG.
As shown in FIG.
A slide transport unit which is pushed by pushers 93 with supporting members 94 attached to the second and the second rolls 92 and is located on the same plane as the upper surfaces of the swivel shelves 53 of the transfer devices 51, 51 provided on the frame 11. It slides on 98 and is pushed in the width direction.

The pair of left and right lifters 21 and 21 described above.
And a pair of left and right stockers 30, 30 of the present invention, which is a long material stacking device 20, and a pair of left and right pushing parts 40A, 40B.
In order to control the operation of each of the discharging devices 40 and 40, the elevator 60, the pair of left and right handing devices 51 and 51, and the discharging device 50 including the discharging conveyor 90, the long material sorting and accumulating device 10 includes A control unit (control panel) 100 including a microcomputer as shown in 16 is provided.

In the control unit 100, the detection signals from the limit switches LS1 to LS8 described above, the detection signals from the photoelectric sensors 96 and 97 for measuring the width dimension and the thickness dimension of the plate material W, and the above-mentioned each. Forward end detection switches SW1 and SW provided at the front and rear ends of the air cylinders 24, 33, 45, 65, and 55 provided in the devices 20, 40, 50, and 51, respectively.
3, SW5, SW7, SW9 and backward end detection switch S
In addition to the detection signals from W2, SW4, SW6, SW8 and SW10, detection signals from other switches and sensors (not shown) provided in each part of the long material sorting and accumulating device 10 and the carry-in conveyor 14, A detection signal group Sx representing the operating states of the packaging saw 300, the defective product conveyor 73 (FIG. 1), etc. is supplied. Further, the control unit 100 has a pressure switch 202 for detecting whether or not the pressure in the air passage maintains an appropriate value.
The detection signal from is also supplied.

The control unit 100 controls power supply to the motor 6 for driving the conveyor 15 and the motor 9 for driving the carry-out conveyor 90 based on the various detection signals, and at the same time, drives the conveyor 15. Each device 2 for controlling the operation of the clutch 7 and the brake 8 mounted on the output shaft of the motor 6 of the above, and further supplying the compressed air regulated from the air pump 200 through the filter regulator 201.
0, 20, 40, 40, 50, 50, and 51, 51 are equipped with air cylinders 24, 24, 33, 33, 4
Solenoids SOL1, SOL2A, SOL2B, SOL3 S of electromagnetic switching valves SV1 to SV5 for supply / discharge control which are provided in air passages to 5, 45, 65, 55, and 55.
The energization excitation control for the OL4A, SOL4B, and SOL5 is performed.

With such a configuration, the control unit 100 is a station which is determined by classifying the plate materials W, W, ... Conveyed by the conveyor 15 into, for example, four types according to their width dimensions. When conveyed to St1 to St4, and stacked by the long material accumulating device 20 and 10 plate materials W having a width dimension within a predetermined range are stacked, a laminate P composed of the 10 plate materials W, W ,. In order to carry out the next process, the operation of each part is controlled.
Such operation control will be described below.

In the control unit 100, for example, after the power is turned on, the plate material W is carried into the starting end portion of the conveyor 15 by the carry-in conveyor 14 as shown by a phantom line in FIG.
When a signal indicating that 1 is switched from the OFF state to the ON state is supplied, the motor 6 for the conveyor 15 is driven and the brake 8 provided on the output shaft of the motor 6 is released. Then, the clutch 7 is engaged and the conveyor 15 is operated. As a result, the plate material W is conveyed in the width direction. Then, the width dimension (plate width) b and the thickness dimension (plate thickness) d of the conveyed sheet material W are measured based on the signals obtained from the photoelectric sensors 96 and 97 and the convey speed of the conveyor 15. Then, it is judged whether or not the measured thickness dimension d is within a predetermined range, and if it is a defective product outside the range, the conveyor 15 is continuously operated as it is and the defective plate material W is attached to the guide plate 72. The defective product is transferred to the defective product carrying conveyor 73 and carried out to the outside (see FIG. 1).

When the thickness dimension d of the plate material W is within a predetermined range, it is determined to which of the four stations St1 to St4 the sheet material W is to be transported based on the width dimension b of the plate material W. That is, the width dimension b of the plate material W
Is b ₁ (eg 74 mm) or more b ₂ (eg 76 mm)
To less than if the station St1, to b ₃ or b ₄ below if station St2, b ₅ or b to ₆ below if station St3, b ₇ or b ₈ below if station St
4 of the limit switches LS arranged at the stations St1 to St4 so as to be transported to the station St corresponding to the width dimension b of the plate material W.
The limit switch LS3, LS4, LS5, or LS6 arranged at 1, St2, St3, or St4 is interposed on the output shaft of the motor 6 until it is detected that the limit switch is switched from the OFF state to the ON state. When it is detected that the ON state is detected by continuously operating the conveyor 15 with the clutch 7 being engaged,
While the clutch 7 is in the disengaged state, the brake 8 is operated to keep the conveyor 15 in the stopped state. As a result, the plate material W is transferred to the station St.
It is stopped on the receiving member 23 of the pair of left and right lifters 21, 21 provided in the long material stacking device 20 of the station to be classified according to the width dimension b of 1 to St4. In addition, in FIG. 2, the plate material W is the first station S.
The state of being stopped on the receiving material 23 at the upper ends of the lifters 21 and 21 at t1 is shown by an imaginary line.

In this way, when the plate material W is conveyed to the station to be classified among the stations St1 to St4, for example, the first station St1 and stopped, the control unit 100 is subsequently operated.
Are piston rods 24a, 24 of the air cylinders 24, 24 provided in the pair of left and right lifters 21, 21.
The solenoid SOL1 of the solenoid operated directional control valve SV1 is energized and excited so that a is projected to the forward (upper) end. As a result, compressed air whose pressure has been adjusted from the air pump 200 via the filter regulator 201 is supplied to the left chamber on the rear end side of the air cylinders 24, 24 through the electromagnetic switching valve SV1, and at the same time, the front end And the receiving members 23, 2 of the lifters 21, 21 are removed from the right chamber on the side of
The plate material W on 3 is lifted up to the rising end. In this case, since the piston rods 24a, 24a of the air cylinders 24, 24 are ejected in synchronization with each other as described above, it is determined whether or not they are ejected to the forward (upper) end. Forwards (top)
It is detected by the end switch SW1.

Next, the pair of left and right stockers 30, 3
The air cylinders 33, 33 provided in No. 0 are operated to control the piston rod 33a to be projected or retracted. That is, when the piston rod 33a is projected to the forward end, the solenoid SOL2A of the electromagnetic switching valve SV2 should be pulled in to pull it in.
When the piston rod 33a is pulled to the retracted end, the solenoid SOL2B of the electromagnetic switching valve SV2 is energized and excited so that the piston rod 33a is pulled out. As a result, compressed air is transferred to the electromagnetic switching valve S.
Compressed air is supplied to and discharged from the left chamber and the right chamber of the air cylinders 33, 33 via V2, and the swivel shelves 31, 32 of the stockers 30, 30 are swung 90 degrees, as described above. The plate materials W lifted up by the lifters 21 and 21 are transferred to one of the swivel shelves 31 and 32 and sequentially stacked on the lower side of the plate materials W previously placed.

When the stacking of the predetermined number of plate materials W is completed in this way, the control unit 100 replaces the count value M for counting the number of stacked plates with M + 1, and the pair of left and right lifters 21 and 21.
In order to pull in the piston rods 24a, 24a of the air cylinders 24, 24 provided in No. 1 to the retracted end, the energization excitation of the solenoid SOL1 of the electromagnetic switching valve SV1 is released. As a result, the receiving members 23, 23 of the lifters 21, 21 are lowered to their original positions, and the waiting state for the next plate material W is set. In this manner, the plate materials W are sorted and classified, and stacked and accumulated by the long material stacking device 20 in each of the stations St1 to St4, and when the count value M reaches 10 in any of the stations St1 to St4, That is, when the stacked plate materials W reach the number of 10 sheets to be packed, the control unit 100 energizes and excites the solenoid SOL3 of the electromagnetic switching valve SV3 to operate the pushing device 40 provided in the station.

As a result, the compressed air from the air pump 200 passes through the electromagnetic switching valve SV3, and the left chamber and the other one of the air cylinders 24, 24 provided in the pushing portions 40A, 40B of the pushing device. Of the air cylinders 45, 45 of the pair of left and right pushing units 40A, 40B, while compressed air is removed from the right chamber and the other left chamber.
One of 5a is projected and the other is drawn,
As a result, as described above, the disc-shaped swiveling arms 42, 42 are swung 180 ° in the same direction and at the same speed, and the push rods 41, 41 of the two pushing parts 40A, 40B are accordingly semicircular. And the push rods 41, 41 are rotated to draw a laminate P composed of the ten plate materials W.
Is pushed straight in the width direction and is transferred to the elevating and lowering member 61 of the elevator 60 of the carry-out device 50.

In this way, when the laminate P is transferred to the elevator 60 of the carry-out device 50, the control unit 100 causes the piston rod 65a of the air cylinder 65 to protrude so as to operate the elevator 60. Solenoid S of the electromagnetic switching valve SV4
The OL4A is energized and excited. As a result, compressed air is transferred to the air cylinder 6 via the electromagnetic switching valve SV4.
5 is supplied to the left chamber on the rear end side and is removed from the right chamber on the front end side, and the piston rod 65a of the air cylinder 65 pulls and rotates the drive chain 67 of the drive winding transmission mechanism 60C. Move and with it,
As the pair of left and right lifting chains 62, 62 rotate and move, as described above, the lifting / lowering mounting member 61 on which the laminate P is transferred is indicated by a dashed line from the lowest position (transfer position). Is raised to the highest position.

Next, the control unit 100
Laminate P raised by the elevator 60
In order to transfer the left and right transfer devices 51, 51 to the left and right pair of transfer devices 51, 51, the air cylinders 55, 55 provided in the left and right transfer devices 51, 51 are operated to protrude the piston rod 55a. SV5
The solenoid SOL5 is energized and excited. As a result, compressed air is supplied to the left chamber of the air cylinders 55, 55 through the electromagnetic switching valve SV5 and removed from the right chamber, so that the swivel shelf 53 is parallel to the elevating and lowering member 61. From the different retreat position
It is swung to the receiving position where it is inserted into the concave portion 61a formed in. In this state, the control unit 1
00 is a solenoid SOL4A of the electromagnetic switching valve SV4
Instead, the solenoid SOL4B is energized and excited. Thereby, the air cylinder 65 of the elevator 60
Of the piston rod 65a is protruded, the elevating and lowering member 61 is lowered, and the laminate P is transferred to the swivel shelves 53 and 53 of the pair of left and right transfer devices 51 and 51.

When the laminate P is transferred to the delivery devices 51, 51 in this manner, the control unit 100 operates the carry-out conveyor 90 to cause the laminate P to move. The delivery device 5 provided on the frame 11 is pushed by the pusher 93 with the support 94 attached to each of the 92.
It slides on the slide conveyance unit 98 located on the same plane as the swivel shelves 53 of Nos. 1 and 51, is pushed in the width direction, and is carried out to the packaging saw 300 for performing the work of the next step. In addition, in the long material sorting and accumulating device 10 described above, the elevator 6 is provided separately from the long material accumulating device 20 of the present embodiment including the lifters 21 and 21 and the stockers 30 and 30.
0, the delivery devices 51, 51, and the unloading device 50 including the unloading conveyor 90 are provided, so that the laminate P is transferred to the elevator 60 by the pushing device 40 even while the laminate P is being unloaded by the unloading device 50. Packing saw cutting machine 30
Even during the period until it is carried out to 0, the plate material W is conveyed by the conveyor 15, the sorting and sorting work, and the long material stacking device 2
The stacking work of the plate materials W by 0 can be continuously performed without interruption, and therefore, the operation rate and the work efficiency are significantly improved.

Although one embodiment of the present invention has been described in detail above, the present invention is not limited to the above-mentioned embodiment, and does not depart from the spirit of the present invention described in the claims. Various changes can be made in the design. For example, in the above-described embodiment, the pair of left and right stockers 30, 30 are not mechanically connected to each other, and the left and right stockers 30, 30 have two revolving shelves 31, 32-31, 32. The swivel motions are not necessarily synchronized, but the round bar racks 34, 34 provided for them
They may be connected to each other by a synchronous shaft as in the pushing units 40A and 40B. In this way, the two swivel shelves 31, 32-31, 3 of the left and right stockers 30, 30 are arranged.
The two can always be turned in perfect synchronization. Further, as the linear motion actuators, other than the air cylinder, an appropriate one such as an electric type or a hydraulic type can be used.

[0054]

As can be understood from the above description, according to the long material stacking apparatus of the present invention, the two swiveling shelves in the pair of left and right stockers can be swung with a predetermined angular interval. By the operation, the plate material W lifted up by the lifter can be inserted and stacked under the previously stacked plate materials, so that the work of stacking and accumulating the plate-shaped long materials can be automatically performed without relying on human hands. Purposefully, and
It can be performed extremely quickly, stably and reliably, and the operating rate, safety, and reliability can be improved.

[Brief description of drawings]

FIG. 1 is a schematic side view showing an example of a long material sorting and collecting apparatus to which an embodiment of a long material collecting apparatus according to the present invention is applied.

FIG. 2 is an enlarged view showing in detail a main part of a first station of the long material sorting and accumulating device of FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG.

FIG. 4 is an IV-IV arrow view of FIG.

5 is a perspective view showing a stocker of the long-sized material sorting and accumulating apparatus of FIG.

6 is a cross-sectional view showing the internal structure of the stocker of FIG.

FIG. 7 is a fragmentary plan view for explaining an embodiment of the long material stacking device according to the present invention.

FIG. 8 is a fragmentary enlarged side view for explaining an embodiment of the long material stacking device according to the present invention.

FIG. 9 is a fragmentary enlarged side view for explaining an embodiment of the long material stacking device according to the present invention.

10 is a perspective view showing one of the pushing parts of the pushing device of the long material sorting and accumulating device of FIG.

11 is a fragmentary enlarged side view for explaining a pushing device of the long material sorting and accumulating device of FIG.

FIG. 12 is a partial rear view used for explaining a pushing device of the long material sorting and stacking device of FIG.

FIG. 13 is a partial plan view for explaining a pushing device of the long material sorting and accumulating device in FIG.

FIG. 14 is a front view for explaining an elevator and a delivery device of the long material sorting and accumulating device in FIG.

FIG. 15 is a plan view provided for explaining an elevator and a delivery device of the long material sorting and stacking device of FIG.

FIG. 16 is a schematic diagram showing a control system of the long material sorting and accumulating device of FIG. 1.

FIG. 17 is a diagram provided for explaining a plate material as a plate-shaped long material handled by the long material collecting device of the present invention.

[Explanation of symbols]

 20 Long Material Accumulation Device 21 Lifter 23 Receiving Member 24 Linear Actuator 24a Piston Rod 25 Round Bar Rack 26 Pinion 27 Synchronous Shaft 30 Stocker 31, 32 Swivel Shelf 33 Linear Actuator 34 Round Bar Rack 38 Pinion W Plate Material P Laminate

Claims (4)

[Claims] 1. A pair of left and right lifters 21, 21 for lifting a plate-shaped long material W to a predetermined height position, and the plate-shaped long material W lifted by the pair of left and right lifters 21, 21. And a pair of left and right stockers 30, 30 that sequentially stack and store the sheets until a predetermined number of sheets are stored, and the pair of left and right stockers 30, 30 respectively receive the plate-shaped long material W in two consecutive swivel shelves 31. , 32, and the two swivel shelves 31, 32 are synchronously swiveled with a constant angular interval therebetween, and are independently movable in a direction orthogonal to the swivel plane. A long material stacking device characterized in that 2. One of the two revolving shelves 31, 32 is pushed up by the plate-shaped long material W raised by the pair of left and right lifters 21, 21, and in this state, the two revolving shelves 31, 32 are lifted. By swiveling the swivel shelves 31 and 32 by a predetermined angle, the uplifted plate-shaped long material W is transferred to the other of the two swivel shelves 31 and 32, and the above-mentioned 2 When the plate-shaped long material is placed on one of the continuous swivel shelves 31 and 32, the plate-shaped elongated material is placed below the plate-shaped long material W that is placed. The long material stacking device according to claim 1, wherein the long materials W are inserted and stacked. 3. The rack 34-pinion 3 using the linear actuator 33 in which the two swiveling shelves 31, 32 are common.
The long material stacking apparatus according to claim 1 or 2, wherein the long material stacking apparatus is configured to be swung via eight mechanisms. 4. A pair of left and right lifters 21, 21 are arranged in parallel with each other, respectively, and a tip end of a piston rod 24a of the linear actuator 24 for mounting the plate-shaped elongated member W thereon. A receiving member 23 attached to the rack 25, a rack 25 that is integrally supported by the receiving member 23 and is guided and supported so as to be movable in parallel with the piston rod 24, and pinions 26 that mesh with the rack 25. And a pair of left and right lifters 21, 21 respectively.
The long material stacking device according to any one of claims 1 to 3, wherein both ends of the synchronous shaft 27 are fixedly connected to the synchronous shaft 6.