Plate separation device

Abstract

To realize a small-scale plate material separation device. [Solution] A plate material separation device (1) according to one embodiment of the present disclosure is a device for separating stacked conductive plate materials (2), comprising: a magnet part (3) disposed on the upper surface of the stacked plate materials (2) and generating a magnetic field in the stacked plate materials (2) in a direction perpendicular to the thickness direction of the plate materials (2); and an electrode part (5) disposed on either side of the magnet part (3) and capable of conducting an electric current in a direction perpendicular to the magnetic field in the stacked plate materials (2) such that a downward Lorentz force (F2) is generated in the second plate material (2) from the top of the stacked plate materials (2).

Description

Technical Field

[0001] The present disclosure relates to a sheet material separation device, for example, a device for separating laminated conductive sheet materials.

Background Art

[0002] For example, the sheet material separation device of Patent Document 1 is arranged so as to sandwich a sheet material placement part on which laminated sheet materials are placed, and includes a magnet part that generates a magnetic field with the laminated sheet materials, and an electrode part that can conduct an electric current in a direction orthogonal to the magnetic field in the laminated sheet materials and generates an upward Lorentz force on the sheet material arranged at the uppermost position.

[0003] Such a sheet material separation device is configured to separate the sheet material arranged at the uppermost position and the sheet material arranged second from the top by generating an upward Lorentz force with the sheet material arranged at the uppermost position.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] Since the sheet material separation device of Patent Document 1 has a configuration in which the magnet part is arranged so as to sandwich the sheet material placement part, it has a problem that the sheet material separation device is large-sized.

[0006] The present disclosure realizes a small-sized sheet material separation device.

Means for Solving the Problems

[0007] A sheet material separation device according to an aspect of the present disclosure is a device for separating laminated conductive sheet materials, and A magnet portion is placed on the upper surface of the stacked plate material and generates a magnetic field in the stacked plate material in a direction perpendicular to the thickness direction of the plate material, An electrode portion is provided that is positioned so as to sandwich the magnet portion, and such that a downward Lorentz force is generated in the second plate from the top of the stacked plate material, and an electrode portion is provided that can conduct current in a direction perpendicular to the magnetic field in the stacked plate material, It is equipped with.

[0008] In the plate material separation device described above, it is preferable that the current or the magnetic force of the magnet part be set so as to satisfy the following <Equation 1>. <Formula 1>F2+Fg>F1+F3+F4 However, F1 is the predetermined attraction force between the plates, F2 is the downward Lorentz force generated in the second plate from the top, F3 is the upward attraction force generated by the magnet in the second plate from the top, F4 is the upward Lorentz force generated in the second plate from the top due to the parallel currents of the current flowing through the uppermost plate and the current flowing through the second plate from the top, and Fg is the weight of the second plate from the top.

[0009] In the plate material separation device described above, it is preferable that the peripheral portion of the magnet is surrounded by an insulating portion.

[0010] In the plate material separation device described above, the magnet section comprises a magnet and a yoke, Preferably, the yoke is positioned so as to sandwich the magnet in the perpendicular direction, such that a magnetic field is generated in the stacked plate material in a direction perpendicular to the thickness direction of the plate material. [Effects of the Invention]

[0011] According to this disclosure, a compact plate material separation device can be realized. [Brief explanation of the drawing]

[0012] [Figure 1]This is a perspective view showing how the plate material is separated using the plate material separation device of this embodiment. [Figure 2] This diagram shows the relationship between electric current, magnetic field, and force when separating sheet materials using the sheet material separation device of this embodiment. [Figure 3] This is a perspective view showing the magnet section of the plate material separation device according to the embodiment. [Modes for carrying out the invention]

[0013] The following describes specific embodiments applying this disclosure with reference to the drawings. However, this disclosure is not limited to the following embodiments. Also, for clarity, the following description and drawings have been simplified as appropriate.

[0014] First, the configuration of the plate material separation device of this embodiment will be described. Figure 1 is a perspective view showing how the plate material is separated by the plate material separation device of this embodiment. Figure 2 is a diagram showing the relationship between current, magnetic field, and force when separating plate material by the plate material separation device of this embodiment. Figure 3 is a perspective view showing the magnet section of the plate material separation device of this embodiment.

[0015] In the following explanation, we will use a three-dimensional (XYZ) coordinate system for clarity. For example, the X+ side is the front of the plate material separation device, the X- side is the rear of the plate material separation device, the Y+ side is the left side of the plate material separation device, the Y- side is the right side of the plate material separation device, the Z+ side is the top of the plate material separation device, and the Z- side is the bottom of the plate material separation device.

[0016] As shown in Figures 1 and 2, the plate material separation device 1 is suitable for separating stacked conductive plate materials 2. In Figures 1 and 2, the plate material 2 consists of a first plate material 2a positioned on the Z-axis+ side (i.e., positioned at the top) and a second plate material 2b positioned on the Z-axis- side relative to the first plate material 2a (i.e., positioned second from the top).

[0017] As shown in FIGS. 1 and 2, the sheet separating device 1 includes a magnet section 3, an insulating section 4, and an electrode section 5. As shown in FIG. 3, the magnet section 3 includes a magnet 11 and a yoke 12. The magnet 11 is arranged such that, for example, a magnetic field B1 is generated toward the - side of the X-axis.

[0018] That is, the N pole of the magnet 11 is arranged on the + side of the X-axis, and the S pole of the magnet 11 is arranged on the - side of the X-axis. The magnet 11 is, for example, in the shape of a rectangular block that is long in the Y-axis direction. The yoke 12 aligns the direction of the magnetic field B1 of the magnet 11. The yoke 12 is made of, for example, iron or low-carbon steel, and is in a plate shape substantially parallel to the YZ plane as shown in FIG. 3.

[0019] The yoke 12 is, for example, substantially rectangular with a size capable of covering the magnet 11 when viewed from the X-axis direction. The yoke 12 is arranged so as to sandwich the magnet 11 in the X-axis direction. However, the magnet section 3 may have a configuration capable of generating the magnetic field B1 in a direction orthogonal to the Z-axis direction, which is the thickness direction of the sheet material 2, with respect to the sheet material 2.

[0020] The insulating section 4 blocks the flow of current to the magnet section 3. The insulating section 4 is made of a resin having insulating properties, etc., and is arranged so as to surround the peripheral side portion of the magnet section 3 as shown in FIG. 1. The insulating section 4 is, for example, substantially rectangular tubular when viewed from the Z-axis direction.

[0021] As shown in FIGS. 1 and 2, the electrode section 5 includes a positive electrode 13 and a negative electrode 14. The positive electrode 13 is arranged on the - side of the Y-axis with respect to the magnet section 3. The negative electrode 14 is arranged on the + side of the Y-axis with respect to the magnet section 3. Note that the positive electrode 13 and the negative electrode 14 may be arranged so as to be able to generate the Lorentz force F2 toward the - side of the Z-axis with the second sheet material 2b as described above.

[0022] Next, the process of separating the first sheet material 2a and the second sheet material 2b using the sheet separating device 1 of this embodiment will be described. First, with the first sheet material 2a and the second sheet material 2b laminated, the sheet separating device 1 is arranged on the surface on the + side of the Z-axis of the first sheet material 2a.

[0023] At this time, as shown in Figures 1 and 2, the magnet section 3 generates a magnetic field B1 toward the X-axis-side, so a magnetic field B2 toward the X-axis-side is generated in the first plate material 2a, and a magnetic field B3 toward the X-axis-side is also generated in the second plate material 2b.

[0024] Next, when the first plate material 2a is pulled up to the Z-axis+ side using a transport device, for example, a suction cup, an electric current is instantaneously passed from the positive electrode 13 to the negative electrode 14 through the first plate material 2a and the second plate material 2b, as shown in Figures 1 and 2.

[0025] At this time, a current I1 flows through the first plate material 2a toward the Y-axis+ side, and a current I2 flows through the second plate material 2b toward the Y-axis+ side. Therefore, a Lorentz force F2 toward the Z-axis- side is generated in the second plate material 2b.

[0026] This allows, for example, when the first plate 2a is pulled up towards the Z-axis+ side, the second plate 2b to separate from the first plate 2a. Moreover, not only the Lorentz force F2 towards the Z-axis- side, but also the weight of the second plate 2b can be used to efficiently promote the separation of the second plate 2b from the first plate 2a.

[0027] Here, it is preferable that the currents I1, I2, or the magnetic force of the magnet part 3 be set so as to satisfy the following <Equation 1>. <Formula 1>F2+Fg>F1+F3+F4

[0028] However, F1 is the predetermined attraction force between the first plate material 2a and the second plate material 2b caused by oil, etc., F3 is the attraction force toward the Z-axis + side due to the magnet part 3 generated in the second plate material 2b, F4 is the Lorentz force toward the Z-axis + side generated in the second plate material 2b due to parallel currents I1 and I2, and Fg is the weight of the second plate material 2b.

[0029] By satisfying this equation <Equation 1>, the force on the Z-axis can be increased relative to the force on the Z-axis + side generated in the second plate material 2b, thereby separating the first plate material 2a from the second plate material 2b.

[0030] As described above, the plate material separation device 1 of this embodiment is used by being positioned on the Z-axis+ side of the stacked plate material 2, and therefore can be made smaller compared to the plate material separation device of Patent Document 1. Moreover, it is possible to efficiently promote the separation of the second plate material 2b from the first plate material 2a not only by the Lorentz force F2 on the Z-axis- side, but also by using the weight Fg of the second plate material 2b.

[0031] Furthermore, since the plate material separation device 1 of this embodiment can be made smaller than the plate material separation device of Patent Document 1, it can be used without making any special modifications to a conveying device that has suction cups or the like.

[0032] This disclosure is not limited to the embodiments described above, and may be modified as appropriate without departing from its spirit. [Explanation of symbols]

[0033] 1 Plate separation device 2 boards, 2a first board, 2b second board 3 Magnetic section, 11 Magnet, 12 Yoke 4. Insulation part 5 Electrode section, 13 Positive electrode, 14 Negative electrode

Claims

1. A device for separating stacked conductive plate materials, A magnet portion is placed on the upper surface of the stacked plate material and generates a magnetic field in the stacked plate material in a direction perpendicular to the thickness direction of the plate material, An electrode portion is provided that is positioned so as to sandwich the magnet portion, and such that a downward Lorentz force is generated in the second plate from the top of the stacked plate material, and an electrode portion is provided that can conduct current in a direction perpendicular to the magnetic field in the stacked plate material. A plate material separation device equipped with the following features.

2. The plate material separating device according to claim 1, wherein the current or the magnetic force of the magnet part is set to satisfy the following <Equation 1>. <Formula 1>F2+Fg>F1+F3+F4 However, F1 is the predetermined attraction force between the plates, F2 is the downward Lorentz force generated by the second plate from the top, F3 is the upward attraction force generated by the magnet on the second plate from the top, F4 is the upward Lorentz force generated by the second plate from the top due to the parallel currents of the current flowing through the uppermost plate and the current flowing through the second plate from the top, and Fg is the weight of the second plate from the top.

3. The plate material separating device according to claim 1 or 2, wherein the peripheral portion of the magnet is surrounded by an insulating portion.

4. The aforementioned magnet section comprises a magnet and a yoke, The plate material separating device according to claim 1 or 2, wherein the yoke is arranged to sandwich the magnet in the direction perpendicular to the thickness direction of the laminated plate material such that a magnetic field is generated in the laminated plate material in a direction perpendicular to the thickness direction of the plate material.

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