JPH0710302A - Stacked heavy plate member separating device - Google Patents

Abstract

PURPOSE:To provide a device for taking out the plate members one by one in succession smoothly, easily and surely in separation from among the relatively heavy plate members in stacked state such as the press-molded articles for rear axle housing for an automobile. CONSTITUTION:The first and second separating devices 24 and 26 are arranged on both the sides of the supeposed plate members 16, and the first and second laterally movable actuators 74 and 116 for shifting the plare member at the uppermost edge in the laterel direction are installed on both the separating devices 24 and 26, and the first and second vertically movable actuators 92 and 132 for pushing up the plate member upwardly are installed. The plate member at the uppermost edge among the superposed plate members 16 is lifted up and separated by the cooperations of the first and laterally moable actuators 74 and 116 and the first and second vertically movable actuators 92 and 132.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacking plate material separating apparatus for sequentially separating and stacking a large number of stacked plate materials such as steel plates for pressing from the uppermost plate material.

[0002]

2. Description of the Related Art Conventionally, in manufacturing rear axle housings for trucks, etc., a heavy and heavy rectangular steel plate having a plate thickness of 3 mm to 8 mm, a vertical dimension of 200 mm to 600 mm, and a horizontal dimension of 300 mm to 1500 mm is used. Press molding as a raw material is performed. On this occasion,
In order to improve the work efficiency of press forming and save the labor of the worker and measure the work safety, it is desirable to automatically insert the above steel plate material into the press by using a carry-in robot.

When the steel plate materials are conveyed by the above-mentioned loading robot, a large number of steel plate materials stacked on a trolley or a pallet and placed in a material yard adjacent to the press are attached to a vacuum suction device or an electromagnetic device attached to the operation end of the robot hand. The most common method is to attract and transport with a magnet.

However, when a large number of steel sheet materials having the above-mentioned weight are stacked, the oil adhering at the time of cutting the steel sheets often adheres between the sheets. When picking up and lifting the uppermost steel plate, not only the steel plate itself is heavy, but also negative pressure is easily generated between the plates, and the adhesive force of the oil thin film acts, so that the steel plates are quickly and smoothly moved one by one. In addition, it is extremely difficult in practice to reliably pick up and transport.

[0005]

SUMMARY OF THE INVENTION The present invention was devised in view of the above circumstances, and a large number of stacked plate materials such as steel plate materials for press can be quickly and smoothly and surely sequentially from the uppermost plate material one by one. It is an object of the present invention to provide a stacking plate material separating device that can be transported and therefore can improve the efficiency of the subsequent work such as press molding, reduce the labor of the worker, and achieve safety. .

[0006]

In order to achieve the above object, the present invention provides a first and a second separating device, which are arranged opposite to each other on both sides of a stacked plate material in which a large number of plate materials are stacked, and the above first invention. And first and second lateral movement actuators that are respectively mounted on the second separating device and contact the side edges of the uppermost plate member to move the plate member laterally with respect to the plate members stacked below the plate member, The first and second plates, which are mounted on the first and second separating devices, respectively, are brought into contact with the lower side faces near the side edges of the uppermost plate member moved laterally to push the plate member up from the plate members therebelow. Vertical movement actuator, and the first lateral movement actuator, the first vertical movement actuator, and the second lateral movement actuator, which are provided in the first and second separating devices, respectively, according to the height of the upper end surface of the stacked plate material. Move the second vertical actuator up and down A stacking plate material separating device (hereinafter referred to as a first invention), which comprises an actuator elevating / lowering device for moving the stacking plate material, and a first stacking plate material which is arranged opposite to both sides of a stacking plate material And a second separating device, and the first and second separating devices are mounted on the first and second separating devices, respectively, and abut the side edges of the uppermost plate member to move the plate member laterally with respect to the plate members stacked below the plate member. The first and second lateral movement actuators are brought into contact with the lower side surfaces near the side edges of the uppermost end plate member mounted on the first and second separating devices and moved in the lateral direction, and the plate member First and second vertical movement actuators that push up from the lower plate member, and the first lateral movement actuator and the first lateral movement actuator that are provided in the first and second separating devices, respectively, according to the height of the upper end surface of the stacked plate member. 1 Vertical movement actuator and 2nd lateral movement An actuator elevating and lowering drive device for moving the actuator and the second vertical movement actuator up and down, and first and second actuators for adjusting the distance between the first separating device and the second separating device according to the lateral dimension of the plate material. Separation device traversing means for bringing at least one of the two separation devices closer to or further from the other;
A stacking plate material separating device (hereinafter referred to as a second separating plate separating device for moving the first and second separating devices in the longitudinal direction of the plate material according to the vertical dimension of the plate material). Invention).

[0007]

According to the present invention, the first and second lateral movement actuators and the first and second lateral movement actuators respectively mounted on the first and second separating devices, which are arranged to face each other on both sides of the stacked plate materials, respectively. By the cooperative operation with the second vertical movement actuator, the uppermost plate member is first moved in the lateral direction by the set distance, and then the side edge of the uppermost plate member protruding from the lower laminated plate member is pushed upward to move downward. The robot is inclined and separated from the plate material, and subsequently, the lower side edge portion of the inclined uppermost end plate material is lifted and held in a substantially horizontal posture, and is substantially completely separated from the lower plate material. It is easily and surely adsorbed and conveyed by a vacuum adsorption device or an electromagnetic magnet of an equal conveyance device.

[0008]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. First, in the schematic plan view of FIG. 1, reference numeral 10 is, for example, a press having an arbitrary structure for pressing parts constituting a rear axle housing of an automobile, 12 is a material placing device arranged adjacent to the press 10.
Reference numeral 4 denotes a steel plate material which is arranged at an appropriate position adjacent to both the press 10 and the material placing device 12 and which is subjected to press working by being stacked in large numbers on the material placing device 12 as will be described later, that is, in the figure. Plate material 16 indicated by the alternate long and short dash line
It is an appropriate carry-in robot that picks up and inserts it into the press 10.

The material placing device 12 is shown in a side view of FIG.
As shown in the front view of FIG. 3 and the plan view of FIG.
A base 18 fixedly arranged on the factory floor G in a normal state is provided, and a pair of parallel bases extending in the vertical direction of the plate material 16 (hereinafter, sometimes referred to as X direction) are provided on the base 18. Rail 20
Is provided.

A slide base 22 having a rectangular plan shape is mounted on the rail 20 so as to be slidable in the X direction.
The end portion adjacent to the carry-in robot 14 of
The first separating device indicated by (4) is fixedly mounted, and the movable second separating device (generally indicated by 26) is provided at the other end of the sliding base (22) remote from the loading robot (14).
Is provided.

The second separating device 26 includes the rail 20.
A base slidably mounted on a pair of parallel rails 28 extending on a direction orthogonal to the horizontal direction, that is, a lateral direction of the plate member 16 (hereinafter, referred to as Y direction in some cases) and disposed on the slide base 22. It is equipped with a plate 30. A reversible motor 32 is provided at an end of the base plate 30 on the side far from the first separating device 26.
2 drives a screw shaft 34 such as a ball screw. Screw shaft 34
Is screwed into a nut member 36 fixed to the slide base 22, so that the motor 32 is driven in one direction (hereinafter referred to as a forward direction).
By rotating the base plate 30, the second separating device 26 moves toward the first separating device 24, and the motor 32 moves in the opposite direction (hereinafter referred to as the negative direction).
The rotation of the base plate 30 moves the second separating device 26 in a direction away from the first separating device 24. Therefore, the motor 32, the screw shaft 34 and the nut member 36 constitute a separating device lateral moving means for moving the second separating device 26 in the lateral direction.

A reversible motor 40 is provided on a side wall 38 (see FIG. 2) of the base 18 far from the press 10, and the motor 40 drives a screw shaft 42 such as a ball screw. Since the screw shaft 42 is screwed into the nut member 44 fixed to the slide base 22, the slide base 22 moves in the direction away from the press 10 when the motor 40 rotates in the positive direction, Further, when the motor 40 rotates in the negative direction, the slide base 22 moves in a direction approaching the press 10. Therefore, the motor 40, the screw shaft 42 and the nut member 44 constitute a separating device vertical movement means for vertically moving the first and second separating devices 24 and 26.

Further, the upper side surface 46 of the base 18 is shown in FIG.
As well shown in FIG. 1, a roller conveyor 50 formed by arranging a large number of small-diameter rolling rollers 48 in a row in the X direction is arranged on one side adjacent to the first separating device 24.
The upper side surface 46 of the base 18 on the side of the second separating device 26 is
Direction, a movable roller conveyor 56 formed by arranging a large number of small-diameter rolling rollers 54 in the X direction is formed in the Y direction.
It is bridged so that it can slide freely in any direction.

The detailed structure of the first separating device 24 is shown in the enlarged front view of the main part of FIG. Same separating device 24
Is a plurality of (for example, four) guide bars 58 that are vertically established with their respective lower ends fixed to the slide base 22, and are integrated in the vertical direction (hereinafter sometimes referred to as the Z direction) along the guide bars 58. A pair of upper and lower pedestals 6 that can be displaced mechanically
0 and 62, and a top plate 66 on which a reversible motor 64 is mounted. The mounts 60 and 62 are integrally connected by a plurality of (for example, four) short guide bars 68.

The reversible motor 64 drives a screw shaft 70 such as a ball screw, and the screw shaft 70 is screwed to a nut member 72 fixed to the upper and lower mounts 60. The gantry 60 and 62 can be integrally lowered by the positive rotation of the motor 64, and the gantry 60 and 62 can be integrally raised by the negative rotation of the motor 64. Therefore, the motor 64, the screw shaft 70, and the nut member 72 constitute an actuator elevating / lowering drive device for the lateral movement actuator 74 and the vertical movement actuator 92 mounted on the pedestals 60 and 62.

A first transverse actuator 74, which in the illustrated embodiment is shown as a hydraulic cylinder, is mounted on the upper pedestal 60, the upper end 78a and lower arm 78b of which are free ends of the piston shaft 76. First lateral movement member 7 including
8 is installed. The upper arm 78a detects the upper end surface of the stacked plate members 16 (hereinafter, sometimes referred to as a stacked plate member 16 '). A non-contact sensor 80 is preferably attached. Of course, the sensor 80 can be replaced by an appropriate contact type sensor having excellent detection accuracy.

Between the upper mount 60 and the lower mount 62, an intermediate mount 82 which is vertically slidable along the guide bar 68 is arranged. The intermediate mount 82 has a screw such as a ball screw. A nut member 86 with which the shaft 84 is screwed is fixed. The screw shaft 84 is driven by a reversible motor 90 fixed to a bracket 88 on the lower mount 62. That is, when the motor 90 rotates in the positive direction, the intermediate pedestal 82 descends with respect to the upper and lower pedestals 60 and 62, and when the motor 90 rotates in the negative direction, the intermediate pedestal 82 moves upward and downward. Rise for 60 and 62. Of course, while the motor 90 is at rest, the upper and lower pedestals 60 and 62 and the intermediate pedestal 82 are integrally displaced.

The intermediate mount 82 is provided with a first vertical actuator 92, which is shown as a hydraulic cylinder in the illustrated embodiment, and a first push-up member 96 is fixed to the free end of the piston shaft 94 thereof. ing. Further, a first stopper 98 is provided at an end portion of the intermediate mount 82 adjacent to the first push-up member 96. The first stopper 98
May be integrally provided with the push-up member 96, and in this case, the side surface of the first push-up member 96 also serves as the first stopper 98.

Next, the detailed structure of the second separating device 26 will be described with reference to an enlarged front view of the essential portions of FIG. The separating device 26 includes a plurality of (for example, four) guide bars 100 that are vertically established with their lower ends fixed to the base plate 30.
And a pair of upper and lower mounts 102 and 104 that can be integrally displaced in the vertical direction, that is, the Z direction along the guide bar 100, and a top plate 108 on which a reversible motor 106 is mounted. The mounts 102 and 104 are integrally connected by a plurality of (for example, four) short guide bars 110.

The reversible motor 106 drives a screw shaft 112 such as a ball screw, and the screw shaft 112 is mounted on the upper mount 1.
It is screwed to the nut member 114 fixed to 02.
Then, the gantry 102 and 104 are integrally lowered by the positive rotation of the motor 106, and the gantry 102 and 104 are integrally rotated by the negative rotation of the motor 106.
Can be integrally raised. Therefore, the lateral movement actuator 116 and the vertical movement actuator 13 which will be described later are mounted on the mounts 102 and 104 by the motor 106, the screw shaft 112, and the nut member 114.
Two actuator up-and-down drive devices are configured.

A second traverse actuator 116, which in the illustrated embodiment is shown as a hydraulic cylinder, is mounted on the upper cradle 102, the free end of the piston shaft 118 of which faces the first separating device 24. A second lateral movement member 120 having an L-shaped side surface shape is attached to.

Between the upper mount 102 and the lower mount 104, an intermediate mount 122 which is vertically slidable along the guide bar 110 is arranged.
A nut member 126, to which a screw shaft 124 such as a ball screw is screwed, is fixed to 2. The screw shaft 124 is driven by a reversible motor 130 fixed to a bracket 128 on the lower frame 104. That is, the motor 130
Rotation of the intermediate pedestal 122 relative to the upper and lower pedestals 102 and 104 relative to the upper and lower pedestals 102 and 104, and rotation of the motor 130 in the negative direction causes the intermediate pedestal 122 to move upward and downward. And 104 relative to each other in the ascending direction according to the rotation angle amount. Of course, while the motor 130 is at rest, the upper and lower mounts 102 and 104 and the intermediate mount 122 are integrally displaced.

The intermediate mount 122 is provided with a second vertical actuator 132, which is shown as a hydraulic cylinder in the illustrated embodiment, and has a free end of its piston shaft 134 with a horizontal arm 136a and a vertical arm 136b. A second push-up member 136 having an L-shaped side surface is fixedly attached. Further, a second stopper 138 is provided at an end portion of the intermediate mount 122 adjacent to the second push-up member 136. Further, a preferably non-contact type sensor 140 is provided adjacent to the second stopper 138 to detect the side surface of the stacked plate member 16 ′ on the second separating device 26 side. The sensor 140 is
Of course, an appropriate contact type sensor having excellent detection accuracy can be replaced.

The first and second separation devices 24 and 26
Of the first and second traverse actuators 74 and 116 cooperate with respective piston shafts 76 and 118 to support first and second traverse members 78 and 120, respectively. To smooth the displacement in the direction,
In particular, as best shown in the plan view of FIG. 4, guide bars 142 and 144 are provided, respectively. Further, an appropriate number of stoppers 146 are provided on the upper side surface 46 of the base 18 along the edge of the press 10 side.

An example of the operation mode of the above apparatus is as follows. First, as shown in the front view of FIG. 3 in particular, a trolley or pallet 148 in which a large number of plate materials 16 are stacked and mounted in advance is placed on the upper side surface 46 of the base 18 by an appropriate transfer device. It smoothly slides on the roller conveyors 50 and 56 and contacts the stopper 146 to stop.

On the upper surface of the dolly 148, a large number of ball supports 150 each containing a rollable ball in a casing are arranged in a row, and a stacking plate member 16 'is provided thereon.
And a proper number of positioning columns 152 whose lower ends are inserted into the T-shaped grooves in order to prevent tilting and displacement of the same-stacked plate member 16 '. Also, the trolley 14
8 is a plate material 1 having the maximum dimension formed by the press 10.
6 can be mounted vertically (X direction) and horizontally (Y
Direction) and on the side of the second separating device 26, with respect to the plate material 16 of the smallest size to be handled, the second separating device 26
Upper side surface 46 of the base 18 so that
A cutout portion similar to is provided. In other words, trolley 1
The plane shape of 48 has a plane shape substantially similar to the shape of the upper side surface 46 of the base 18.

When the carriage 148, on which the stacking plate members 16 'having certain known X and Y dimensions are mounted, is mounted on the base 18, the reversible motor 40 moves in the forward direction by a predetermined number of revolutions. By rotating, the slide base 22 initially located at the origin in the X direction closest to the press 10 is moved in a direction away from the press 10, and the first and second slides mounted on the slide base are moved. First and second lateral movement members 7 of separating devices 24 and 26
It stops at the position where the center lines of 8 and 120 substantially coincide with the center of the laminated plate material 16 'in the X direction. (In the case of the plate material 16 having the smallest dimension in the X direction, the reversible motor 40 is not driven and the slide base 22 is stopped at the origin position closest to the press 10 as it is, and the following operation is performed.)

On the other hand, the first and second lateral movement actuators 74 and 116 of the first and second separating devices 24 and 26, respectively.
Is initially at the highest Z-direction origin closest to the reversible motors 64 and 106, respectively, and the second separator 26 is
On the slide base 22, it stops along the rail 28 in the Y direction at the Y direction origin position that is the farthest from the first separating device 24.

Further, the first and second separating devices 24 and 2
Six first and second vertical actuators 92 and 13
2, and the intermediate pedestals 82 and 122 supporting the first and second stoppers 98 and 138 are kept at the origin position of the height corresponding to the minimum thickness of the plates 16 to be handled, respectively. Vertical movement actuators 92 and 132
The piston shafts 94 and 134 are each held in the most contracted position.

Now, following the movement of the slide table 22 in the X direction, the reversible motors 64 and 106 of the first and second separating devices 24 and 26 respectively rotate in the forward direction to move the first and second lateral movements. The actuators 74 and 116 and the first and second vertical actuators 92 and 132 descend with their respective upper and lower mounts. The sensor 80 attached to the lateral movement member 78 of the first lateral movement actuator 74 includes the stacking member 1
Detecting the upper end surface of 6 ', the lower arm 78b of the lateral movement member 78
The motors 64 and 106 stop at the positions in the Z direction where the lower end portion of the lateral movement member 120 of the second lateral movement actuator 116 is just opposite to the side edge of the uppermost plate member 16, respectively. At this time, the first and second separation devices 24 and 26 are
The first and second stoppers 98 and 138 are located immediately below the uppermost plate member 16, that is, facing the side edges of the second plate member 16 from the top, respectively.

Next, following the movement of the first and second separating devices 24 and 26 in the Z direction, the reversible motor 32 rotates in the forward direction and the second separating device 26 slides along the rail 28. The stacking board material 16 'is approached. The reversible motor 32 is stopped by a signal from the sensor 140 immediately before the second stopper 138 of the second separating device 26 almost contacts the side surface of the stacking plate member 16 '. This state (initial state) is shown in the side view of the main part of FIG.

Subsequently, the uppermost plate member 16 is separated in the operation process shown in FIGS. First, as shown in the first operation step of FIG. 8, the piston shaft of the second lateral movement actuator 116 extends and the second lateral movement member 120 extends.
The lower end portion of the plate member abuts on the right side edge of the uppermost plate member 16, and the plate member is laterally moved until its left side edge abuts the lower arm 78b of the first lateral movement member 78. At this time, the first stopper 98 contacts the left side edge of the adjacent second plate member 16,
It is prohibited to move the second plate.

Next, as shown in the second operation step of FIG. 9, the piston shaft 9 of the first vertical movement actuator 92 is
4 extends, and the first push-up member 96 causes the uppermost plate member 16
The vicinity of the left side edge of is pushed up and abuts on the upper arm 78a of the first lateral movement member 78. Then, as shown in the third operation step of FIG.
Of the upper end plate member 16 is moved to the upper arm 78 by moving the piston shaft 76 of the
Enter the space between a and the lower arm 78b.

After that, as shown in the fourth operation step of FIG. 11, the piston shaft 118 of the second lateral movement actuator 116 moves rightward and contracts to separate from the uppermost plate member 16, and the first vertical movement. Piston shaft 9 of actuator 92
4 contracts and the first push-up member 96 descends. Subsequently, as shown in the fifth operation step of FIG. 12, the piston shaft 134 of the second vertical movement actuator 132 extends by a preset initial stroke, and the second push-up member 136.
The upper surface of the lateral arm 136a of the
Rises to approximately the same height as the upper end of.

Next, as shown in the sixth operation step of FIG. 13, the piston shaft 7 of the first horizontal shaft actuator 74 is shown.
6 moves a lot to the right until the final stroke, and the topmost plate 1
6, the right side edge of the plate material is mounted on the second push-up member 136, and then the piston shaft 134 of the second vertical movement actuator 132 further extends to the final stroke,
The plate member 16 is completely lifted upward as shown to separate it from the stacked plate member 16 '. At this time, the second stopper 138
Prohibits the movement of the second plate member 16.

Finally, the uppermost plate member 16 is adsorbed by the vacuum adsorption device 154 or the electromagnetic magnet attached to the hand (not shown) of the carry-in robot 14, and the first and second lateral movement members 78 and 136 are ejected. It is removed and inserted into the press 10. Next, the first and second lateral movement actuators 74 and 116 and the first and second vertical movement actuators 92 and 132 are integrally lowered by the thickness of the plate member 16, and are shown in FIGS. 7 to 14 below. The operation steps that have been performed are sequentially repeated, and the stacked plate material 1 on the carriage 148 is
All 6's are separated one by one and automatically inserted into the press 10 to perform the necessary press working. When the plate materials 16 having different plate thicknesses are conveyed, the reversible motors 90 and 130 of the first and second separating devices 24 and 26 are driven in either forward or reverse directions, and the intermediate mounts 82 and 122. Height, that is, the positions of the first and second stoppers 98 and 138 in the Z direction are adjusted by the variation of the plate thickness.

According to the above construction, the plate members 16 which are stacked in a state of being heavy and having oil adhered after cutting, like a press-molded part of a rear axle housing of an automobile.
Since it can be smoothly and surely and easily inserted into the press 10 by using the carry-in robot 14, there is an advantage that the labor of the operator can be saved and the safety thereof can be secured.

If the press 10 presses only the plate material 16 having a specific vertical and horizontal dimension, the X-direction moving device of the first and second separating devices 24 and 26 in the above embodiment, that is, the separating device vertical moving means. , And the Y-direction moving device of the second separating device 26, that is, the separating device traversing means can be omitted.

In the above embodiment, the first and second lateral movement actuators 74 and 116 and the first and second vertical movement actuators 92 and 132 are hydraulic cylinders. And screw / nut type actuator or rack
It is obvious that other suitable actuators can be substituted for the pinion type actuator or the like. Similarly, in the above embodiment, as means for driving the first and second separating devices 24 and 26 in the X direction and the Y direction, an actuator composed of a reversible motor, a screw shaft, and a nut member is illustrated. These can be replaced with a rack and pinion type actuator or a pressure responsive actuator such as a hydraulic cylinder or an air cylinder. Further, the positions of the origins of the illustrated devices and members in the X, Y, and Z directions, and the operation sequence and timing of the devices and members can be appropriately changed and corrected.

[0040]

As described above, the stacking plate material separating apparatus according to the first aspect of the present invention includes first and second separating devices which are arranged to face each other on both sides of a stacking plate material in which a large number of plate materials are stacked. First above
And first and second lateral movement actuators that are respectively mounted on the second separating device and abut on the side edge of the uppermost plate member to move laterally with respect to the plate members stacked below the plate member. , The first and second separating devices, which are respectively mounted on the first and second separating devices, are brought into contact with lower side surfaces near the side edges of the uppermost end plate material moved in the lateral direction to push up the plate material from the plate materials therebelow. 2 vertical movement actuators, the first lateral movement actuator, the first vertical movement actuator, and the second lateral movement actuator that are provided in the first and second separating devices, respectively, according to the height of the upper end surface of the stacked plate material. An actuator elevating and lowering drive device for moving the actuator and the second vertical movement actuator up and down, and using a relatively heavy plate material having a constant vertical and horizontal dimensions,
Since it is possible to smoothly and easily and surely carry in the sheets one by one automatically and automatically, there is an advantage that the labor of the operator can be saved and the safety can be secured.

A stacked plate material separating apparatus according to a second aspect of the present invention includes first and second separating devices, which are arranged to face each other on both sides of a stacked plate material in which a large number of plate materials are stacked, and the above first and second separators.
First and second lateral movement actuators that are respectively mounted on the separating devices and abut against a side edge of the uppermost plate member to move the plate member laterally with respect to the plate members stacked therebelow;
And first and second vertical movements of the uppermost end plate, which are respectively mounted on the second separating device and moved in the lateral direction, contact the lower side faces near the side edges and push up the plate member from the plate member therebelow. The actuator and the first and second separating devices are respectively provided, and the first and second separating devices are provided in accordance with the height of the upper end surface of the stacking plate material.
A lateral movement actuator, a first vertical movement actuator, and a second vertical movement actuator and a second vertical movement actuator that move up and down.
Depending on the lateral dimension of the plate material, the first separating device and the second separating device
Separation device traversing means for adjusting at least one of the first and second separation devices to move closer to or away from the other for adjusting the distance between the separation devices, and the first and the second according to the longitudinal dimension of the plate material. Separation device vertical movement means for moving the second separation device in the longitudinal direction of the plate material is provided, and various types of relatively heavy plate materials having different vertical and horizontal dimensions can be smoothly, easily and surely provided. Since the sheets can be sequentially carried into the press automatically one by one, the labor of the operator can be greatly saved and the work safety can be improved, which is industrially beneficial.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing an embodiment of the present invention.

FIG. 2 is a side view of the material placing device 12 in FIG.

3 is a front view of the material placing device 12 in FIG. 1. FIG.

FIG. 4 is a plan view of the material placing device 12 in FIG.

5 is a front view showing an enlarged main part of the first separating device 24 in FIG. 3. FIG.

FIG. 6 is a front view showing an enlarged main part of a second separation device 26 in FIG.

FIG. 7 is a front view of the main parts showing the initial state of the first and second separating devices 24 and 26.

FIG. 8 is a main part front view showing a first operation step of the first and second separating devices 24 and 26.

FIG. 9 is a main part front view showing a second operation step of the first and second separating devices 24 and 26.

FIG. 10 is a front view of relevant parts showing a third operation step of the first and second separating devices 24 and 26.

FIG. 11 is a main part front view showing a fourth operation step of the first and second separating devices 24 and 26.

FIG. 12 is a main part front view showing a fifth operation step of the first and second separation devices 24 and 26.

FIG. 13 is a main part front view showing a sixth operation step of the first and second separation devices 24 and 26.

FIG. 14 is a front view of the essential parts showing the final operating step of the first and second separating devices 24 and 26.

[Explanation of symbols]

10 ... Press, 12 ... Material placing device, 14 ... Carrying-in robot, 16 ... Plate material, 16 '... Stacked plate material, 24 ... First separating device, 26 ... Second separating device, 74 ... First traverse actuator, 92 ... first vertical movement actuator, 116 ... second lateral movement actuator, 132 ... second vertical movement actuator

Claims (2)

[Claims] 1. A first and a second separating device, which are arranged to face each other on both sides of a stacked plate material in which a large number of plate materials are stacked, and an uppermost plate material mounted on the first and second separating devices, respectively. First and second lateral movement actuators that come into contact with the side edges to move the plate material laterally with respect to the plate materials stacked below it, and the lateral actuators mounted on the first and second separating devices, respectively. The first and second vertical movement actuators that come into contact with the lower side surface near the side edge of the uppermost end plate member moved in the direction and push up the plate member from the plate member therebelow, and the first and second separating devices. An actuator elevating / lowering drive device which is provided in each of the stacking plate members and vertically moves the first lateral movement actuator and the first vertical movement actuator, and the second lateral movement actuator and the second vertical movement actuator in accordance with the height of the upper end surface of the laminated plate material. Be equipped with A stacking plate material separating device characterized in that 2. A first and a second separating device, which are arranged opposite to each other on both sides of a stacked plate material in which a large number of plate materials are stacked, and an uppermost plate member mounted on the first and second separating devices, respectively. First and second lateral movement actuators that come into contact with the side edges to move the plate material laterally with respect to the plate materials stacked below it, and the lateral actuators mounted on the first and second separating devices, respectively. The first and second vertical movement actuators that come into contact with the lower side surface near the side edge of the uppermost end plate member moved in the direction and push up the plate member from the plate member therebelow, and the first and second separating devices. An actuator elevating / lowering drive device which is provided in each of the stacking plate members and vertically moves the first lateral movement actuator and the first vertical movement actuator, and the second lateral movement actuator and the second vertical movement actuator in accordance with the height of the upper end surface of the laminated plate material. , Horizontal of board Separation device traversing means for moving at least one of the first and second separation devices close to or away from the other in order to adjust the distance between the first separation device and the second separation device depending on the orientation. And a separating device vertical moving means for moving the first and second separating devices in the longitudinal direction of the plate material in accordance with the vertical dimension of the plate material.