JPS606261B2 - Plate-shaped object feeding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention arranges a large number of plate-like objects arranged vertically, one by one, several to several dozen from the front, so that the front surfaces of the plate-like objects face upward and the lower ends of the plate-like objects face upward. This invention relates to a plate-shaped object sending device that sends out a plate-like object by laying it down so that the front end is aligned and sending it out with the front end aligned.

Conventionally, a large number of plate-like objects arranged vertically are arranged one by one, or from several to several dozen pieces at a time (this is called a block or a block), with the front faces of the plate-like objects facing the delivery direction facing downward. The inventors had already developed a mechanical device that continuously lays down the plate-shaped object so that the lower end thereof is at the rear end and supplies it to the hopper of a processing machine such as a printing machine. The work of continuously laying down the plate-shaped object so that the front side facing the feeding direction is facing upward and the lower end of the plate-shaped object is the front end was performed manually each time. The operation of feeding out such a plate-shaped object is extremely inefficient.

It is an object of the present invention to sequentially lay down a large number of plate-shaped objects that are sent in a row so that their front faces are directed upward and their lower ends are at the front end without any manual intervention. An object of the present invention is to provide a device for sending out plate-shaped objects that can send out plate-shaped objects in a uniform manner.

Other objects, features and advantages of the invention will become apparent from the description of a preferred embodiment of the invention with reference to the accompanying drawings.

The embodiment of the present invention shown in FIGS. 1 to 8 includes a first conveyor 1, a second conveyor 2, a scooping device 3, and an aligning device 4. The first compare is the plate-shaped object sending direction
A plurality of parallel endless chain conveyors 11 with slats are provided at intervals in the lateral direction.

These chain conveyors 11 are provided with suitable transverse members (not shown) except near their delivery ends 111.
are connected to each other by.

Infeed end subrocket 11 of each chain conveyor 11
2 are fixed to one common shaft 12, and this shaft 12
is driven by an electric motor 14 via a chain transmission 13. The first comper further includes forks 15 arranged on each chain conveyor 11. Each fork 15 is made of a rod extending substantially perpendicularly upward from the conveying surface of the chain conveyor 11.

The lower end of each fork 15 is connected to the conveyor 1.
It is connected to the chain 113 so that it can move together with the pair of endless chains 113. Further, the lower end of the fork 15 is movably engaged with a support rail (not shown) via an idling roller 51 so that the fork can maintain an attitude substantially perpendicular to the conveying surface of the conveyor 11. ing. The first conveyor 1 further includes a reversing device 16 that receives and rotates a stack 60 of plate-shaped objects 6. The device 16 includes a shaft 161 that rotatably supports the chain conveyor 11 between a pair of side frames 10;
At the feeding end 1101 of the conveyor 11, a carrier table 162 is provided with a large number of balls 1621 that extend substantially perpendicularly to the conveyor conveyance surface and can rotate together with the conveyor 11, and the conveyor 11 and the carrier table 162 are stacked together. Hydraulic or pneumatic actuation for rotating the heavy body 60 from the receiving position A (shown by phantom lines in FIG. 1) to the vertical position B of the plate-like objects 6 (shown by solid lines in FIG. 1) It consists of a pair of piston cylinder devices 163. In posture A, the carrier table 162 is approximately horizontal, and the fork 15 can be inserted into the recess of the table 162. In posture B, the conveyor 11 is
It is designed to be able to take an inclined posture with the feeding end 110 placed at a slightly lower level than the feeding end 111. The second conveyor 2 includes a plurality of parallel horizontal endless belt conveyors 21 that are spaced apart in the lateral direction with respect to the plate-shaped object sending direction X.

The belt conveyor 21 is installed between a pair of side frames 100.The feed end pulley 211 of each belt conveyor 21 is fixed to a common shaft 22, and this shaft 22 is connected to a chain transmission device 23. Electric motor 2 through
4. The delivery ends 2, 13 of the belt conveyor 21 are connected to the piston cylinder device 2.
01, it can be raised and lowered using a shaft 22 as a fulcrum.

The scooping device 3 includes a transfer conveyor (endless belt conveyor) 31 that includes a plurality of parallel endless belt members that are spaced apart from each other in the transverse direction of the plate-like object sending direction X'.

The frame 311 of each belt conveyor 31 is L-shaped, and its bent portion 3111 is loosely connected to the feed end pulley shaft 22 of the second conveyor 2.

An end portion 3112 of a portion of each frame 311 extending toward the first conveyor 1 rotatably supports a feed-end boley 312 .

When the first conveyor 1 is in the vertically arranged position B of the plate-like objects 6, the feed end 30' of each conveyor 31 is arranged to be combed and inserted into the feed end 111 of the first conveyor 1.

The woven portions 3113 of the downwardly extending portions of each frame 311 are connected to each other by a common backing material 313. The feed end pulley 314 of each belt conveyor 31 is fixed to the feed end pulley shaft 22 of the second conveyor 2, and the feed end 300 of each conveyor 31 is disposed to be inserted into the feed end 212 of the second conveyor 2. .

The scooping device 3 further acts on the connecting member 313 of the compare frame 311 to remove the pulley shaft 22 of the sending end 300.
A hydraulically or pneumatically actuated piston cylinder device 32 is provided for rotating the feed end 30 using the feed end 30 as a fulcrum and raising and lowering the conveyance surface from the conveyance surface of the first conveyor 1.

The alignment device 4 includes gates 41 that are suspended from above the conveyor 2 and arranged in a row at intervals in a horizontal direction with respect to the plate-shaped object sending direction X, and a gate rotation device 42 that rotates the gates 41. We are prepared.

The gate 41 has one end fixed to a pair of side frames 10 of the second conveyor and a supporting punch 401 fixed to an inverted U-shaped pipe frame 4 erected on the second conveyor 2.
The second conveyor 2 is fixed to a rotating shaft 402 that is freely rotatably supported, and the other end is suspended in the gap between the conveying surfaces of the belt conveyor 21 of the second conveyor 2 .

The gate rotation device 42 includes a pneumatically or hydraulically operated piston cylinder device 421 in which a cylinder 4211 is rotatably attached to a frame 403 fixed to the pipe frame 40, and a piston cylinder device 421 operated by pneumatic or hydraulic pressure, with one end fixed to the rotating shaft 402 and the other end attached to the device 421. It consists of a piston rod 4212 and an arm village 43 attached to it. The device of the present invention is further provided on a carrier table 162, and when the plate-shaped object 6 hits, the reversing device 16 is rotated counterclockwise after a certain period of time, and after the rotation, a timer (not shown) is set to rotate the reversing device 16 for a certain period of time. After that, the conveyor 11 is activated, the mitt switch device 50 is activated, and the delivery end 1 of the first conveyor 1 is activated.
11, when the plate-shaped object 6 pushed forward by the fork 15 hits, the conveyor 11 stops moving and the piston cylinder device 32 of the scooping device 3 is started, and a timer (not shown) causes the scooping device to run for a certain period of time. A limit switch device 51 is provided below the scooping device 3 to lower the feeding end 30 of the belt conveyor 31 of the scooping device 3 after raising the feeding end 30 of the belt conveyor 31 of the scooping device 3. When the downward movement is finished, a limit switch device 52 is provided under the conveying surface of the second conveyor 2 near the gate 41 of the aligning device 4 to start the movement of the conveyor 11 again.
While the light is blocked by the plate-shaped object 6 being transferred, the scooping device 3
A phototube device 53 whose installation position can be adjusted and which starts the activation of the piston cylinder device 32 of the scooping device 3 by passing light without activating the piston cylinder device 32 of the gate 4.
A gate 41 is provided on the conveying surface of the second conveyor 2 very close to the second conveyor 2, and when the plate-shaped object 6 being transferred hits, the closed gate 41 is kept closed for a certain period of time by a timer (not shown). A mitt switch device 54 is installed at the sending end 213 of the second conveyor 2 so that the gate 41 is opened and the gate 41 is closed again after a certain period of time by a timer (not shown) after returning due to the passage of the plate-shaped object 6. , a limit switch device 55 that is provided on the hobber 8 and that suddenly stops the operation of the second conveyor 2 when the plate-shaped object 6 being transferred hits it and the phototube device 56 (described later) is shielded from light. When the hopper is full of plate-shaped objects 6 and the light is blocked by the plate-shaped objects, the operation of the second conveyor 2 is suddenly stopped with the operation of the limit switch device 55, and the light passes through the plate-shaped objects 6 to stop the operation of the second conveyor 2. The phototube device 56 restarts the operation of the second conveyor, and when the forks 15 of the first conveyor are pushed forward to the end, the last plate-shaped object 6 on the first conveyor is moved to the second conveyor 2 by the scooping device 3. The second
Each of them is provided with a limit switch device (not shown) that starts rotating the reversing device 16 from posture A to posture B when the phototube device 53 of the conveyor is shielded from light.

Next, the operation of the device of the present invention will be explained.

First, the electric motor 14 of the first conveyor 1 is reversed and the chain conveyor 11 is operated in reverse, thereby causing the fork 1
5 is placed in the recess of the carrier table 162, and the chain conveyor 11 and the carrier table 162 are rotated clockwise by the reversing device 16 and placed in the stack receiving posture A shown by the imaginary line in FIG. 1 conveyor 1, a stack 60 is stacked such that the surface 61 of each plate-like object 6 faces upward and the end 62 of each plate-like object 6 is at the front end with respect to the plate-like object sending direction X. 7
When the stack 60 is sent to the carrier table 162 in a horizontal position, the reversing device 16 is activated by the operation of the limit switch device 50, and the stack 60 is transferred to the chain conveyor 11 and the carrier table 162.
are rotated counterclockwise to the plate-like object standing position B shown by the solid line in FIG.
are lined up on the chain conveyor 11.

The surfaces 61 of each of the plate-like objects 6 arranged vertically face the plate-like object feeding direction x, and the ends 62 of each of the plate-like objects 6
It comes to the bottom of . Next, by normal rotation of the electric motor 14, the plate-shaped object 6 on the conveyor 11 is pushed toward the delivery end 111 of the conveyor 11 by a fork 15, as shown in FIG.

When the plate-like objects 6 arranged vertically reach the position P of the sending end 111 of the first comparer, the limit switch 51 is activated.
is activated by the plate-like object 6, thereby stopping the operation of the first conveyor 1 to stop feeding the plate-like object, and at the same time starting the operation of the piston cylinder device 32 of the scooping device 3. The belt conveyor 31 of the scooping device 3 is driven by an electric motor 24, but the piston cylinder device 3
2 is started, the conveyance surface of the feed end 30 of the conveyor 31 is raised above the conveyance surface of the first comparator.

When the feed end 30 of the conveyor 31 is raised above the conveying surface of the first conveyor, the plate-like objects 6 arranged vertically
Several to tens of sheets at the front, that is, the plate-like objects 6 on the belt conveyor 31 of the scooping device 3, are lifted at their ends 62 from the first conveyor 1, as shown in FIG.
Furthermore, as the belt conveyor 31 advances, its end is moved in the plate-like object sending direction X.

When the end 62 of the block of plate-shaped object 6 is moved in the direction It is laid down without any human intervention so that it is at the front end, and then sent to the second conveyor 2 which is driven by an electric motor 24.

When a block of plate-shaped objects 6 is laid down, each plate-shaped object in the block shifts forward from the plate-shaped objects below.

However, this lump of plate-like object 6 is transferred to the second conveyor 2.
The gate 4 of the alignment device 4 is closed after being transferred above.
1, each plate-like object 6 is aligned in the vertical direction of the conveyor surface of the second conveyor every nth time from the plate-like object above it, and once the plate-like objects 6 have been aligned, the block of plate-like objects 6 is aligned by the operation of the limit switch device 54. When the gate 41 is rotated about the rotating shaft 402 and opened, the paper is fed from the delivery end 213 of the second conveyor 2 to the hopper 8 in a lying state.
At this time, if the speed at which the gate 41 rotates and opens is slowed down, each of the plate-like objects 6 in the lump will be aligned to the rear of the plate-like objects 6 below, and the hopper 8 will be aligned.
will be sent to.

The gate 41 is closed again when the plate-shaped object 6 passes through.

When the transfer operation of the plate-like object 6 of the scooping device 3 is completed, the feeding end 30 of the belt conveyor 31 is lowered, and at the point when the lowering is finished, the limit switch 52 is activated and the operation of the first comparer is started again.

The remaining plate-like objects 6 arranged vertically by the first conveyor 1
When the front end reaches the limit switch 51 again,
The operation of the piston cylinder device 32 of the scooping device 3 is started again. However, when the block of plate-shaped object 6 that was laid down earlier is on the conveyance surface near the gate 41 of the first conveyor 2, the operation of the piston cylinder device 32 of the scooping device 3 is started due to the light shielding of the phototube device 53. I won't let you. When the hopper 8 is full of plate-like objects 6, the L phototube device 56
Then, the limit switch device 55 is activated to stop the operation of the second conveyor 2 and the scooping device 3. When there are no more plate-shaped objects 6 lined up on the first conveyor 1, the fork 15 is pushed to the end, and the limit switch (
(not shown) and the phototube device 53 is shielded from light by the last plate-like object 6, the first conveyor 1 is rotated clockwise by the reversing device 16, and the first conveyor 1 is rotated clockwise by the reversing device 16.
1 and carrier table 162 are in stack receiving posture A.
It is placed.

Next, in another embodiment of the present invention, instead of the L scooping device 3,
As shown in FIG. 9, a transfer conveyor (endless belt conveyor) 31B with a plurality of parallel kickers 33B provided at intervals in the lateral direction with respect to the plate-like object sending direction
A scooping device 3B is used.

In the scooping device 3B, the delivery end pulley 314B of each belt conveyor 31B is rotatably iron-coupled to the delivery end pulley shaft 22 of the second conveyor 2, and each belt conveyor 31
The feed end pulley 312B of B is driven and rotated by a drive device not shown. When the first conveyor 1 is in the plate-like object sending attitude B, the sending end 30B of each conveyor 31B is arranged so as to be intertwined with the sending end 111 of the first conveyor 1, and the sending end 300B of each conveyor 31B is arranged to be inserted into the sending end 111 of the first conveyor 1.
A comb is placed in the feed end 212 of the conveyor 2. Furthermore, i or more than two kickers 33B are attached to the endless conveyance member of each conveyor 31B. When the transfer operation of the scooping device 3B is started, the kicker 33B of the conveyor 31B rotates counterclockwise, and as in the previous embodiment, several of the plate-shaped objects arranged vertically on the first conveyor 1 are removed. The sheets are laid down so that their respective lower ends are at the front end and the front faces upward, and then sent to the second conveyor 2. Next, in still another embodiment of the present invention, instead of the scooping device 3, as shown in FIG.
A scooping device 3C is used, which includes a rotary body 31C with a kicker 33C provided at a laterally spaced interval with respect to the plate-shaped object sending direction X.

In the device 3C, the rotating body 31C is disposed close to the chain conveyor 11 of the first conveyor 1, and is also inserted into the feed end of the second conveyor 2, so that the rotary body 31C is inserted into the chain conveyor 11 of the first conveyor 1, and is inserted into the feed end of the second conveyor 2, so that the rotary body 31C is inserted into the chain conveyor 11 of the first conveyor 1.
It competes with C for free transfer. Note that the same number of pulley shafts 22C are provided corresponding to the belt conveyors 21. The sprocket 34C is integrally attached to the rotating body 31C so as to be able to rotate together with the rotating body 31C, and is interlocked with a sprocket 36C which is rotated by a drive device (not shown) via a chain. When the transfer operation of the scooping device 3C is started, the kicker 33C of the rotating body 31C counterclockwise moves several sheets of plate-shaped objects arranged vertically on the first conveyor 1, as in the previous embodiment. The lower ends of each of the ten sheets come to the front end and the sheets are immersed so that the front side faces upward and sent to the second conveyor 2. In a further embodiment of the present invention, an eccentric rotor 31D (see FIG. 11) or a cam rotor 318 (see FIG. 12) preferably having an uneven surface formed on the surface is used instead of the rotor with a kicker 31C. Similar effects can be obtained by using

[Brief explanation of the drawing]

FIG. 1 is a side view showing an embodiment of the apparatus of the present invention, and FIG. 2 is a plan view of the apparatus of the present invention shown in FIG. 3 and 4 are an enlarged plan view and an enlarged side view of the scooping device in the device of the present invention shown in FIG. 1, FIG. 5 is an enlarged front view of the aligning device in the device of the invention shown in FIG. 1, and FIG. The figure is an explanatory diagram showing the gate spreading device of the aligning device in a side view.
7 and 8 are explanatory diagrams showing the plate-shaped object delivery operation of the scooping device in the device of the present invention shown in FIG. 1, and FIG. 9 is a side view showing another embodiment of the scooping device. FIG. 10 is a schematic side view showing still another embodiment of the scooping device, and FIGS. 11 and 12 show still another embodiment of the rotating body in the scooping device of FIG. 10. FIG. 1...First conveyor, 2...Second conveyor, 3, 3B,
3C・・・Scooping device, 31C, 31D, 31E
...Rotating body, 33B, 33C...Kitsuka, 4
...Aligning device, 41...Gate, 42
......Gate rotation device, 6...Plate-shaped object. Figure 1 Figure 2 Figure 3 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9. Figure 10 Figure 11 Figure 12

Claims (1)

[Scope of Claims] 1. A first conveyor capable of transporting a large number of plate-like objects in a vertically arranged state, and the plate-like objects in a vertically arranged state that are sent to the delivery end of the first conveyor. Several to tens of sheets at a time are laid down so that the front surface of the plate-like object faces upward and the lower end of the plate-like object becomes the front end, so that the sheets can be delivered to the feed end of a second conveyor described later. a scooping device, the feeding end being the first scooping device;
The scooping device is arranged so that it is embedded in the conveyor, and the conveying surface of the feeding end can be raised and lowered from the conveying surface of the first conveyor, and the feeding end is embedded in the second conveyor. Aligning the front end of the plate-like object, which has been laid down by the second conveyor and the scooping device, which is being transferred by the second conveyor; What is claimed is: 1. A plate-shaped object sending device comprising: an aligning device that can rotate by being suspended from above the second conveyor. 2. The plate-shaped object delivery device according to claim 1, wherein the scooping device is configured such that the delivery end of the transfer conveyor including an endless conveyance member is rotatable about the delivery end of the transfer conveyor as a fulcrum. 3. The plate-shaped object delivery device according to claim 1, wherein the scooping device comprises a transfer conveyor in which one or more pickers are attached to an endless conveyance member. 4. The plate-shaped object delivery device according to claim 1, wherein the scooping device comprises one or more pickers attached to a rotating body. 5. The plate-shaped object delivery device according to claim 1, wherein the scooping device comprises an eccentric rotating body. 6. The plate-shaped object delivery device according to claim 1, wherein the scooping device comprises a cam rotating body.