JP4307625B2 - Separation method of metal plate when lifting in feeder - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, in a feeder of a metal plate such as an aluminum plate or a relatively thin iron plate, when the metal plate is lifted by a vacuum cup, it is adsorbed by the vacuum cup due to oil adhering to the metal plate. The present invention relates to a method of separating a metal plate at the time of lifting in a feeder for separating several lower metal plates adhering to the uppermost metal plate from the uppermost metal plate.
[0002]
[Prior art]
Conventionally, air is blown from the periphery of the upper layer of the stacked metal plates by air blow so that the lower metal plate is not in close contact with the uppermost metal plate lifted by the vacuum cup and lifts. The oil and the like were dispersed by forming a gap between the metal plates.
[0003]
[Problems to be solved by the invention]
When supplying a metal plate with a feeder, the metal plates that have been cut to a certain size and washed are stacked, and the stacked metal plates are picked up and lifted one by one with a vacuum cup. It is conveyed laterally by a belt.
When this metal plate is lifted, there is a problem that several metal plates below it are lifted in close contact with the uppermost stacked metal plate.
[0004]
This is because the metal plates are in close contact with each other by an oil film attached to the metal plates at the time of cutting or cleaning. In order to prevent this, the surroundings of the metal plates conventionally stacked as described above are used. Air was blown from the air and oil was dispersed by air pressure to form gaps between the metal plates, but the gaps once formed during lamination were vacuumed by the vacuum cups for adsorption by the vacuum cups. When pressed upward, the gap formed at the corner is closed again. Eventually, several metal plates are lifted in close contact when lifted.
[0005]
In view of the above, the present invention is associated with the uppermost metal plate lifted by the vacuum cup, and the lower metal plate that is brought together and can be easily separated from the uppermost metal plate. It is an object of the present invention to provide an upper metal plate separation method.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the metal plate separation method of the present invention is such that the central portion is pressed by a vacuum cup and both sides of the metal plate are lifted by a vacuum cup. The air blower moves up and down while approaching the side edge of the metal plate, and the air blow jets air to the vicinity of the side edge of the metal plate while moving up and down, between the lower metal plates raised together with the uppermost metal plate At the same time as forming a gap by dispersing the oil film adhering to the surface of the metal plate, the scratching plate formed with horizontal teeth on the surface on the metal plate side up and down It is characterized in that it is brought into contact with the side end portion of the lower metal plate that is brought into close contact with each other and scraped off and separated from the uppermost metal plate.
[0007]
In the present invention by the above method, the central portion is pressed by the vacuum cup and the air is blown down toward the end portion of the metal plate while the scratch plate and the air blow are directed downward from the upper side of both sides of the metal plate lifted by the vacuum cup. Is sprayed to the vicinity of the end of the metal plate, so that an oil film made of oil or the like adhering between the metal plates in close contact with the air pressure caused by the injection is dispersed to form a gap.
[0008]
Further, when the scratch plate descends obliquely from above, the scratch plate comes into contact with the end of each metal plate that is in close contact with the scratch plate, and the metal plate is scraped off.
At the time of scraping, the gap is formed between the metal plates that are in close contact with each other, and the scraping is easily performed by the pressure of air injection.
And after scraping off a metal plate, the vacuum cup of a center part is raised, and the whole metal plate is pulled up with the vacuum cups of both sides.
[0009]
Also, if the scratch plate and air blow are moved up and down multiple times, the spray air that strikes the metal plate and the scratch plate that contacts the metal plate continuously impact the metal plate, further separating the metal plate. It will be certain.
In this way, the present invention raises the vacuum cup as it is without pressing the separated metal plate again with the vacuum cup as in the prior art, so that the metal plates do not come into close contact again, and only one piece rises. .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a partial front view showing an embodiment of a metal plate separating apparatus used in the method of the present invention, FIG. 2 is a partial plan view of the same, FIG. 3 is a partial side view of the same, and FIG. FIG.
[0011]
Thus, in the figure, reference numeral 1 denotes a metal plate separating device provided on the outer upper side on both sides of the stacked rectangular metal plates 2, and this metal plate separating device 1 is installed at the front end of the support frame 3 of the feeder. .
Further, a vacuum cup 4 of a feeder is installed above the metal plate 2 so as to be movable up and down in the center of the metal plate 2 and in the vicinity of both sides thereof.
[0012]
In the metal plate separating apparatus 1, an air cylinder 6 is provided on a mounting bracket 5 provided at the tip of a support frame 3 so as to be inclined obliquely forward and downward, and side plates 7 are fixed on both sides of the support frame 3 with bolts 8. It is worn.
Further, an elevating body 10 is fixed to the tip of the cylinder rod 9 of the air cylinder 6 between the side plates 7 on both sides, and a groove hole 11 is directed obliquely downward in one side plate 7 of the side plate 7 in parallel with the cylinder rod 9. Is formed.
[0013]
Two guide rollers 12 that fit into the slot 11 are attached to the side surface of the elevating body 10 on the slot 11 side.
In addition, a rectangular scratch plate 13 is fixed to the front portion of the elevating body 10 with bolts 14, and an L-shaped bracket 15 is interposed between the elevating body 10 and the scratch plate 13. An air blow 16 is fixed to one piece parallel to the front by a bolt 17.
The scratching plate 13 is formed with a plurality of teeth 13 </ b> A extending in the lateral direction on the side surfaces thereof and having sharp tips and parallel to the vertical direction.
In the figure, reference numeral 18 denotes an upper limit detection switch of the lifting body 10.
[0014]
Next, the usage method will be described. The vacuum cup 4 descends from above the laminated metal plates 2 and presses the metal plates 2.
The vacuum cup 4 lowered to the center of the metal plate 2 maintains the state where the metal plate 2 is pressed, and the vacuum cups 4 on both sides lowered to the vicinity of the end of the metal plate 2 press the metal plate 2 after pressing. Adsorb and raise.
At this time, several lower metal plates 2 are brought into close contact with the uppermost metal plate 2 adsorbed by the vacuum cup 4 and the surroundings are lifted upward together (FIG. 4).
[0015]
Next, the cylinder rod 9 of the air cylinder 6 of the metal plate separating apparatus 1 provided obliquely above the suspended metal plate 2 is extended, and the lifting body 10 is lowered obliquely downward along the slot 11 by the guide roller 12. By doing so, the scratching plate 13 is lowered toward the end of the metal plate 2, and at the same time, air is jetted near the end of the metal plate 2 by the air blow 16.
[0016]
The air film disperses the oil film adhered between the metal plates 2 by this air injection to form a gap, and at the same time, the scratching plate 13 is brought into contact with the end of the metal plate 2 so that the uppermost metal plate 2 The metal plate 2 that is in close contact with the lower side is separated.
In addition, the separating action can be further enhanced by continuously expanding and contracting the cylinder rod 9 of the air cylinder 6.
[0017]
Then, after separating the lower metal plate 2 from the uppermost metal plate 2, if the vacuum cup 4 at the center is raised, only one metal plate 2 is adsorbed and raised together with the vacuum cups 4 on both sides. In the same manner, the sheets are sequentially adsorbed one by one.
[0018]
If the scratch plate 13 is configured to have a margin as shown in FIG. 4 at the lowest descending point when scratching, the two or more metal plates 2 are adsorbed to the vacuum cup 4 and lifted. Even so, it has the effect of scratching off by the margin of the stopped scratching plate.
[0019]
【The invention's effect】
According to the present invention, the lower metal plate is separated by jetting air and scraping with a scratching plate while pressing the center part of the uppermost metal plate with a vacuum cup and raising both sides with a vacuum cup. After the separation, the vacuum cup only rises as it is, and therefore, after forming the gap as in the prior art, the vacuum cup is not pressed again to close the gap, so that the separation can be performed reliably.
Further, since the separation is performed by both the air injection and the scratching plate, it is a useful invention having both reliability and speed.
[Brief description of the drawings]
FIG. 1 is a partial front view showing an embodiment of a metal plate separating apparatus used in the method of the present invention.
FIG. 2 is a partial plan view showing an embodiment of a metal plate separating apparatus used in the method of the present invention.
FIG. 3 is a partial side view showing an embodiment of a metal plate separating apparatus used in the method of the present invention.
FIG. 4 is a front view showing a use state of a metal plate separating apparatus used in the method of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Metal plate separation apparatus 2 Metal plate 3 Support frame 4 Vacuum cup 6 Air cylinder 7 Side plate 9 Cylinder rod 10 Lifting body 11 Groove hole 12 Guide roller 13 Scratch plate 13A Scratch plate tooth 16 Air blow

Claims (1)

The center part is pressed with a vacuum cup, and both sides of the metal plate are lifted with a vacuum cup .
The scratch plate and the air blow are integrated and moved up and down while approaching the side edge of the metal plate from obliquely above,
Air blow sprays air near the side edge of the metal plate while moving up and down, and at the same time forms a gap by dispersing the oil film adhering between the lower metal plates raised together with the uppermost metal plate ,
The scratching plate formed with the teeth in the horizontal direction parallel to the top and bottom on the surface on the metal plate side is the side edge of the lower metal plate that is raised together with the teeth in close contact with the uppermost metal plate A method for separating a metal plate at the time of lifting in a feeder, wherein the metal plate is scraped off by contact with the uppermost metal plate and separated from the uppermost metal plate.

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