JPH05246558A - Taking-out method for sheet body - Google Patents

Abstract

PURPOSE:To reliably take out sheet bodies one by one from a sheet body containing part without damaging the forward end of the sheet body by a method wherein by bending a topmost sheet body, a lower sheet body next to the topmost sheet body is separated, a press force is then released and the forward end thereof is moved forward through the restoration force of the sheet body, and the forward end is protruded from a paper sheet containing part. CONSTITUTION:A roller 23 is forced into pressure contact with a sheet body P1 A first press means 24 forces a plate into pressure contact with the sheet body P1, and a second press means 25 has a pin separated away from the sheet body P1. In which case, when the roller 23 is rotated, the topmost sheet body P1 is moved leftward and bent. Thus, the topmost sheet body P1 is separated from a lower sheet body P2 next to the topmost paper sheet. The plate of the first press means 24 is separated away from the sheet body P1. In which case, the sheet body P1 is brought into a flat state through its own resilient force and protruded from a container 14, and delivered through rotation of the roller 23. The forward end of the sheet body P1 is moved to rollers 45 and 46. A second press means 25 is brought into pressure contact with the sheet body P2 so as to prevent movement of the sheet body P2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of taking out a plurality of stacked plate bodies one by one.

[0002]

2. Description of the Related Art Various methods have been provided for reliably removing stacked plates one by one.

Among them, in the case of a thin plate such as a piece of paper,
Adsorb the topmost plate with a suction cup, lift it and move it to another position, press the tip of the topmost plate with a claw, and move the whole plate in the claw direction with a roller, Only the uppermost plate is bent to separate it from the lower plate, and the uppermost plate is moved to disengage the tip of the plate from the claw, and the restoring force of the plate restores the plate. The body is advanced, and the tip of the body is transferred to another conveyance roller.

[0004]

However, in the case of the former method, there is a possibility that the lower plate body may be lifted up together with the uppermost plate body due to static electricity, and in the latter method. Not only is there a risk of damaging the tip of the plate body, but it cannot be applied to, for example, a plate body having a sewing line at the tip because the tip is bent.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method of taking out plate bodies that can be taken out one by one without damaging the tip.

[0006]

In the method of taking out a plate body of the present invention, a plurality of plate bodies are stacked and accommodated in a plate body accommodating portion, and the front end of the uppermost plate body among them is pressed by a pressing means. With pressing, the uppermost plate is moved in parallel to the other lower plates toward the front end to bend the uppermost plate, and then by releasing the pressing of the pressing means,
The plate body is advanced by the restoring force of the uppermost plate body,
By the forward movement, the leading end of the uppermost plate that projects from the plate accommodating portion is captured by the conveying means, and is taken out from the plate accommodating portion by the conveying means.

[0007]

[Operation] In the method of taking out a plate body of the present invention, when the uppermost plate body is bent, the plate body is separated from the lower plate body, and when the pressing is released, the bent plate body is bent. Is restored by its own elastic force, and as a result, the tip of the plate body moves forward apart from other plate bodies.

[0008]

1 to 4 show an apparatus for carrying out the method of the present invention.

As shown in FIG. 1, this apparatus has a plate body accommodating portion A for accommodating a large number of plate bodies P in an orderly manner.
And a plate body take-out section B for separating and taking out the plate bodies P of the accommodating section A one by one, and a plate body carrying section C for carrying the taken-out uppermost plate body P ₁ onto a conveyor. ..

In the plate accommodating portion A, as shown in FIGS. 1 and 2, a bar member 12 is erected on a substrate 11 and a bar surrounding the plate body P is formed by the bar member 12. The floor board 13 is installed in the inside so that it can move up and down, and the board container 14 is comprised. Then, the plates P are placed on the floor plate 13, and the plates P are stacked orderly by the fence of the bar 12.

The substrate 11 of the plate accommodating portion A is installed on the machine frame 1a of the apparatus, and below the substrate 11,
Elevating means 15 for the floor plate 13 is provided.

The elevating means 15 penetrates through the board 11 and is guided by the rack rod 16 installed between the board 11 and the machine frame 1b of the apparatus, and is guided by the board 11, and the upper end 17a is provided on the upper plate 1.
Motor having a lower end 17b fixed to the lower plate 19 and a guide post 17 fixed to the lower plate 19 and fixed to the lower plate 19 and having a pinion at the tip of the drive shaft, the pinion being meshed with the rack rod 16. 20 and. And the upper plate 18 is
A spring 22 is fitted between the upper plate 18 and the floor plate 13 while being fitted to the screw 21 planted in the floor plate 13 of the plate container 14.
Are distributed.

Therefore, according to this elevating means 15,
When the motor 20 is driven in one direction, the motor 18 ascends along with the lower plate 19 along the rack rod 16. The lower plate 19 raises the guide posts 17 and thereby the upper plate 18. Then, the upper plate 18 raises the floor plate 13 via the spring 22.

The motor 20 is controlled by a sensor S ₁ installed above the plate accommodating portion A. Sensor S ₁
Detects the height position of the uppermost plate P ₁ as will be described later, and when the height is lower than a predetermined height, the motor 20 is driven in one direction to move the plate P ₁ to a predetermined position. Push up to the height of. Further, the vertical movement range of the motor 20 depends on the sensor S.
_2, controlled by S ₃ . The sensor S ₂ detects the upper limit position of the lower plate 19, and when the lower plate 19 reaches that position,
The driving of the motor 20 is stopped, and then the motor 20 is driven in the reverse direction to lower the lower plate 19. In addition, the sensor S
₃ detects the lower limit position of the lower plate 19, and when the lower plate 19 reaches that position, stops driving the motor 20.

As shown in FIGS. 1 and 2, the plate body take-out section B is installed on the rotating machine frame 1c of the apparatus. The rotating machine frame 1c is rotated by the air cylinder 2.
Then, the rotating machine frame 1c is positioned at a horizontal position by a stopper or the like.

The plate body extraction unit B includes a take-out roller 23 to abut against the plate member P ₁ the uppermost, and first pressing means 24 for pressing the feed-out direction front portion of the uppermost plate member P _1, lower Plate P
_{And a second} pressing means 25 for pressing the rear part of the second.

The take-out roller 23 has a friction plate 23a on a part of its peripheral surface. The friction plate 23a is attached to the roller 23 within a certain angle range, and has a large friction coefficient with respect to the plate body P. The roller 23 is supported by a holder block 27 via a bracket 26, and a driving motor 28 for the roller 23 is mounted on the bracket 2 as shown in FIG.
It is supported by the holder block 27 via 9. The shaft of the motor 28 is connected to the roller 2 via the clutch 30.
It is linked to one end of the three shafts.

The roller 23 is driven by connecting the clutch 30 and directly connecting the shaft of the roller 23 and the shaft of the motor 28.

Further, at the other end of the shaft of the roller 23, 2
One disk 31, 32 is fixed. This disk 31,
Reference numeral 32 is for detecting the rotation angle of the roller 23 and has a notch on the peripheral edge. Sensors S ₄ and S ₅ are installed around the disks 31 and 32.

As shown in FIG. 1, the holder block 27 has a flange portion 27a at its upper portion, and a bolt 33 is planted in the flange portion 27a. The bolt 33 is fitted in the machine frame 1c of the device. Also,
A spring 34 is arranged between the flange portion 27a of the holder block 27 and the machine frame 1c, and the holder block 27 is suspended by the spring 34 from the machine frame 1c.

The first pressing means 24 has a plate 35 at the lower end, as shown in FIG. This plate 3
A rod 36 is planted on the upper surface of 5. On the other hand, the first
The pressing means 24 has an electromagnetic actuator 37. The actuator 37 is supported by the machine casing 1c,
A block 38 is provided at the tip of the plunger 37a. Then, in this block 38, the plate 3
A rod 36 of No. 5 is slidably inserted, and a spring 39 is arranged between the block 38 and the plate 35.

The first pressing means 24 is operated at the timing described later based on the detection signal of the sensor S ₄ .

The second pressing means 25 has an electromagnetic actuator 40, as shown in FIGS.
The actuator 40 is supported by the machine frame 1c, and a block 41 is arranged at the tip of the plunger 40a. A pin 42 is slidably inserted into the block 41, and the head 42a of the pin 42 and the block 4 are further inserted.
A spring 43 is provided between the spring 1 and the spring 1.

The second pressing means 24 is operated at the timing described later based on the detection signal of the sensor S ₅ .

The holder block 27 of the plate take-out section B
The flange 27a of the sensor S of the plate accommodating portion A is
₁ is installed. This sensor S ₁ has a flange 27
The height of the uppermost plate P ₁ is detected by detecting the distance between a and the machine casing 1c. That is, if the uppermost plate P ₁ of the plate P is lower than the predetermined height,
Since the roller 23 is lowered, the flange portion 27a and the machine frame 1c are
The distance between and becomes large. When the sensor S ₁ detects this state, the motor 20 of the elevating means 15 is driven, and the plate P is pushed up accordingly. Then, the roller 23 is pushed up, and the distance between the flange portion 27a and the machine frame 1c is shortened. When this distance reaches a predetermined value, the motor 20 is stopped.

The plate conveying section C has a roller conveying means 44 as shown in FIG. This roller conveying means 4
4 is installed at the plate outlet of the plate accommodating portion A and is provided with a drive roller 45 and a driven roller 46, and these rollers 45, 46 are supported by the machine casing 1c via a bracket 47. The shaft of the drive roller 45 is connected to the shaft of a motor 48 held by a bracket 47 or the like. The shaft of the driven roller 46 is fitted into the long hole of the bracket 47 and is pressed against the drive roller 45 by the pressure adjusting means 49.

Further, the plate conveying section C has a plate accumulating means 50 as shown in FIGS. The plate stacking means 50 includes a stopper plate 51 arranged so as to block the conveying path, and plate stacking plates 52, 52 arranged so as to enclose the conveying path on the upstream side of the plate 51.
And a counter 53 installed between the stacking plates 52, 52 and the roller transport means 44.

The plate integrated plate 52 is an L-shaped plate, and is rotatably arranged on both sides of the conveying path as shown in FIG. An electromagnetic actuator 54 is disposed between the plates 52, 52, and the actuator 54 opens and closes the plates 52, 52.

The counter 53 counts the plate bodies P passing through the counter 53 and includes an optical sensor and the like. The actuator 54 is controlled by the counter 53, and when the counter 53 reaches a set value,
The actuator 54 is activated, which causes the plates 52, 52 to open.

The apparatus constructed in this manner has the plate P when the machine casing 1c is in the position shown by the chain double-dashed line in FIG.
Are stored in the container 14. Next, the machine frame 1c is rotated to be positioned at the horizontal position shown by the solid line in FIG.

[0031] Then, the height of the uppermost plate body P ₁ is detected by the sensor S _1, the plate member P ₁ is given by When not reached the height, the motor 20 is driven plate member P ₁ a predetermined Push up to height.

In this state, as shown in FIG. 1, the roller 23 is in pressure contact with the uppermost plate P ₁ . The plate 35 of the first pressing means 24 is in pressure contact with the plate P _1, and the head 42 of the pin 42 of the second pressing means 25 is separated from the plate P ₁ .

Here, when the clutch 30 is connected, the roller 23 is rotated. Then, when the friction plate 23a reaches the position shown in FIG. 5 and the roller 23 is further rotated, the uppermost plate P ₁ is moved leftward as the roller 23 rotates. However, the front end of the plate P ₁ has the first pressing means 2
Since it is pressed by 4, the uppermost plate P ₁ is bent as shown in FIG. Therefore, the uppermost plate P ₁ is separated from the lower plate P ₂ . When the friction plate 23a reaches the position shown in FIG. 7, this position is detected by the sensor S ₄ . Then, the electromagnetic actuator 37 is operated by the detection signal, and the plate 35 of the first pressing means 24 is separated from the plate P ₁ . Then, the plate member P ₁ becomes flat by its own elastic force, and as a result, the tip of the plate member P ₁ projects from the container 14 as shown in FIG. 7. Further, as the roller 23 rotates, the plate P ₁ is sent out, and as shown in FIG. 8, the leading end of the plate P ₁ reaches the rollers 45 and 46 of the conveying means 44,
It is bitten between those rollers 45 and 46. This position,
That is, the position of FIG. 8 is detected by the sensor S ₅ . Based on this detection signal, the actuator 40 of the second pressing means 25 is operated and the pin 42 is lowered. This pin 4
2 head 42a is pressed against the plate member P _2, the plate member P ₂ is prevented from being moved along with the plate body P _1. On the other hand, roller 4
The plate P ₁ bitten between 5 and 46 is the roller 4
5, 46 is conveyed to the plate body stacking means 50. At that time, the counter 53 counts that _one plate P ₁ has been sent to the plate stacking means 50. The counting operation of the counter 53 is also used as confirmation that the plate P ₁ has completely escaped from the container 14, and the actuator 37 of the first pressing means 24 is operated based on the detection signal, As shown in FIG. 9, the pressing plate 35
Is lowered, and thereby the plate P ₂ is pressed. Then, when the rotation of the roller 23 has made almost one rotation, as shown in FIG. 10, it is confirmed by the sensor S ₅ . Then, the actuator 40 of the second pressing means 25 is operated based on the signal, and the head 42a of the pin 42 is separated from the plate P ₂ .

By repeating such operations, the plate body P is conveyed to the plate body stacking means 50, and the plate body stacking plates 52, 5 are conveyed.
2 is accumulated. And the plate P is the plate 52, 5
When a predetermined number of sheets (the number set by the counter 53) are accumulated on the plate 2, the actuator 54 is operated and the plates 52,
52 is opened and closed. Thereby, the plates 52, 52
The upper plate P falls. The plate P is received by the conveyor 3 and is conveyed to another place by the conveyor 3.

The above-mentioned apparatus shows an example of an apparatus for carrying out the method of the present invention, and it goes without saying that the method of the present invention can be carried out by another apparatus.

For example, the uppermost plate P of the stacked plates P
_In order to bend ₁ , the roller 23 is adopted in the above-mentioned embodiment, but a pressure contact piece is adopted in place of the roller 23, and the pressure contact piece is moved in parallel with the surface of the plate P ₁ to move the plate body. P ₁ may be bent.

In the above embodiment, the peripheral surface of the roller 23 is
The sheet 23a having a large friction is attached in a certain angle range of
There is. This is the top plate P₁Roller 23 is the last end of
When the roller 23 passes through the₂Abut
However, at that time, the friction coefficient of the roller 23 is large.
And plate P₂Will be sent continuously. There
In the above embodiment, the plate P₁The rear end of the roller 23
Immediately after passing, the plate P ₁Rear end escapes from container 14
In the meantime, the plate P₂Influences the rotation of the roller 23
To prevent it from being received, the parts other than the friction sheet 23a are not worn.
The friction coefficient is reduced.

Further, in the above embodiment, the rear pressing means 25 is employed in order to surely keep the movement of the plate P ₂ there for the above-mentioned period, but the countermeasure of the roller 23 is sufficient. Then, the pressing means 25 may be omitted.

[0039]

As described above, according to the method of taking out the plate body according to the present invention, the uppermost plate body is bent to be separated from the lower plate body, and then the pressing is released. Thus, the tip end of the uppermost plate body is advanced by the elastic force of the bent plate body itself, and the tip end is projected from the plate body accommodating portion.

Therefore, the uppermost plate and the lower plate are completely separated and delivered. Further, the amount of bending of the plate to be bent can be arbitrarily set by adjusting the pressing timing of the pressing means, and can be adapted to the type of plate, and the tip of the plate is damaged by the claw or the like. There is no fear.

[Brief description of drawings]

FIG. 1 is a front view showing an apparatus for carrying out a method for taking out a plate according to the present invention.

2 is a side view of the device shown in FIG. 1. FIG.

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

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a diagram for explaining the method of the present invention, showing its starting state.

FIG. 6 is a view for explaining the method of the present invention, showing a state in which the uppermost plate is bent.

FIG. 7 is a diagram for explaining the method of the present invention, showing a state in which the leading end of the uppermost plate is sent to the conveying means.

FIG. 8 is a view for explaining the method of the present invention, showing a state in which the leading end of the uppermost plate is completely captured by the conveying means and the lower plate is pressed by the second pressing means. There is.

FIG. 9 is a view for explaining the method of the present invention, showing a state in which the uppermost plate is completely escaped from the container and the next plate is pressed by the first and second pressing means. ing.

FIG. 10 is a diagram for explaining the method of the present invention, showing a state in which the pressing by the second pressing means is released.

[Explanation of symbols]

1a, 1b, 1c Machine frame 2 Hydraulic cylinder 3 Conveyor 13 Floor plate 14 Plate container 15 Elevating means 21 Screw 22 Spring 23 Extracting roller 24 First pressing means 25 Second pressing means 28 Motor 30 Clutch 44 Roller conveying means A Plate accommodating section B Plate extracting section C Plate conveying section P, P _1, P ₂ Plate S _1, S _2, S _3, S _4, S ₅ sensor

Claims (1)

[Claims] 1. A plurality of plate bodies are stacked and accommodated in a plate body accommodating portion, and the front end portion of the uppermost plate body among them is pressed by a pressing means, and the uppermost plate body is placed in another lower order. The uppermost plate is bent by moving it toward the front end in parallel with the plate, and then the pressing means is released to advance the plate by the restoring force of the uppermost plate. A method of taking out a plate body, characterized in that the leading end of the uppermost plate body protruding from the plate body accommodating portion by the forward movement is captured by the conveying means and taken out from the plate body accommodating portion by the conveying means.