JP2019182635A - Apparatus for attracting/adsorbing and carrying magnetic body and non-magnetic body - Google Patents

Abstract

To provide an attracting/adsorbing and carrying device which can avoid malfunction of an electromagnet of an adsorbing mechanism by a contaminant such as oil contained in air, and which is simple in structure and small in size.SOLUTION: This attracting/adsorbing and carrying device (1) for attracting/adsorbing and carrying a magnetic body and a non-magnetic body, includes an attracting/adsorbing mechanism (2) and a carrying mechanism (3). The attracting/adsorbing mechanism (2) comprises a magnetic body attraction mechanism (4), a non-magnetic body adsorption mechanism (5), and a housing (6) for accommodating them, the magnetic body attraction mechanism (4) has an electromagnet (41) composed of an iron core (42) and a coil (43) wound around the iron core (42), and the non-magnetic body adsorption mechanism (5) is an air suction mechanism. In the attracting/adsorbing and carrying device (1), the air suction mechanism is provided in the iron core (42) of the electromagnet (41).SELECTED DRAWING: Figure 2

Description

  The present invention relates to an apparatus for attracting and transporting a magnetic body and a non-magnetic body, and to an apparatus having an attracting mechanism and a transport mechanism.

  Currently, various transport devices are used in the industry to transport members. In particular, in order to transport a member made of a magnetic material such as SS material, an apparatus having an adsorption mechanism and a transport mechanism is used in the automobile industry and the like. The adsorption / conveyance device includes, as an adsorption mechanism, an extending direction of a member to be conveyed and a plurality of electromagnets housed in a casing having a rail-like structure extending in the conveyance direction. When the electromagnet is energized, a magnetic force is generated on the magnetic member, and the member is attracted to a transport belt (such as a belt conveyor) as a transport mechanism. The adsorbed member is transported together with the transport mechanism (transport belt). When the member reaches the target location, the energization to the electromagnet is cut off, the member is separated from the adsorption mechanism, and the conveyance is completed.

  In recent years, lightweight members such as aluminum are often used in the automobile industry for the purpose of reducing fuel consumption. Since aluminum is a non-magnetic material and cannot be attracted by a magnet, it cannot be attracted by an electromagnet attracting mechanism as described above.

  Therefore, an adsorption / conveying device having an air suction mechanism in addition to an electromagnet has been proposed as an adsorption mechanism. An adsorption mechanism having both an electromagnet and an air suction mechanism has a structure having an air suction mechanism around the iron core of the electromagnet, for example, as shown in FIG. A suction device such as a blower is connected to the air suction mechanism and sucks air as shown by the arrows in the figure. As a result, a member made of a non-magnetic material such as aluminum can be adsorbed to the conveying belt, and the non-magnetic member can be adsorbed and conveyed.

  However, the sucked air may contain contaminants such as oil. If the oil comes into contact with or adheres to the coil of the electromagnet, it causes malfunction of the coil, and thus the electromagnet, and the target attractive force cannot be obtained.

  Therefore, it is necessary to separate the sucked air from the electromagnet, but this makes the adsorption mechanism (rail-like structure) large.

  Further, in such a suction conveyance device according to the prior art, in order to limit the air suction range, it is necessary to provide a separation wall in the rail-like structure, which causes a complicated structure. .

  Furthermore, in such a suction conveyance device, it is necessary to divide (partition) the suction range in the rail-like structure of the suction mechanism in order to limit the range of air to be sucked. This also complicates the structure. It was the cause.

  Accordingly, the present invention is an adsorption conveyance device of the type described at the beginning, which can avoid the malfunction of the electromagnet of the adsorption mechanism due to contaminants such as oil contained in the air, and is simple and compact in structure. It is an object to provide a transport device.

  This problem is solved by the suction conveyance device according to claim 1.

  In accordance with the invention, an adsorption / conveying device for adsorbing and conveying a magnetic material and a non-magnetic material, comprising an adsorption mechanism and a conveyance mechanism, wherein the adsorption mechanism comprises a magnetic material adsorption mechanism, a non-magnetic material adsorption mechanism, In the adsorption / conveying device, in which the magnetic body adsorption mechanism has an electromagnet composed of an iron core and a coil wound around the iron core, and the non-magnetic substance adsorption mechanism is an air suction mechanism. It is proposed to provide an air suction mechanism inside the iron core. This eliminates the need to provide a space for guiding the suction air below the coil of the electromagnet. Further, since the possibility of suction air coming into contact with the coil is avoided or significantly reduced, provision of a coil cover or the like can be omitted.

  In accordance with an advantageous embodiment of the present invention, an air suction mechanism is provided with a suction port at the bottom of the iron core of the electromagnet, an air flow path penetrating the core from the suction port to the upper end of the core, and an opening at the bottom of the housing It has been.

  Advantageously, the transport mechanism is a transport belt, and a recess for sucking a member to be transported is formed on the transport surface of the transport belt at a position coinciding with the opening position of the bottom of the housing of the suction mechanism. Has been.

  According to another development of the present invention, a plurality of non-magnetic substance adsorption mechanisms are provided. It is further advantageous that the plurality of non-magnetic substance adsorption mechanisms each have one suction device (7). It is also conceivable that an air communication channel that enables suction air communication guidance between a plurality of nonmagnetic substance adsorption mechanisms is provided in the transport mechanism.

  The invention further relates to an adsorption device. This adsorption device is an adsorption mechanism comprising a magnetic substance adsorption mechanism, a non-magnetic substance adsorption mechanism, and a housing for housing them, and the magnetic substance adsorption mechanism is composed of an iron core and a coil wound around the iron core. The non-magnetic substance adsorption mechanism is an air suction mechanism. According to the invention, it is proposed to provide an air suction mechanism in the iron core of the electromagnet.

  Hereinafter, the present invention will be described in detail based on embodiments described in the accompanying drawings.

Side view of the suction conveyance device according to the present invention Sectional drawing along line BB of the adsorption conveyance apparatus of FIG. Schematic diagram of suction conveyance device according to the present invention The figure which concerns on one Example of this invention using a blower as a suction device The figure showing sectional drawing of the adsorption | suction mechanism based on one Example of this invention, and the bottom view of a conveyance belt. Sectional view of suction mechanism according to prior art, and bottom view of conveyor belt Side view of the suction mechanism of the suction transfer device according to the prior art Sectional drawing along line AA of the adsorption | suction mechanism of FIG.

  In the description of the present invention, first, a suction conveyance device according to the prior art will be described. FIG. 7 shows a side view of the suction mechanism 2 ′ in the suction conveyance device 1 ′ according to the prior art. It can be seen that the suction mechanism 2 ′ (a part) having the rail-like structure extends along the extending direction of the member 100 to be transported. The attracting mechanism 2 'has a plurality of electromagnets 41' arranged in the extending direction. These electromagnets 41 'constitute a magnetic body adsorption mechanism 4'. In FIG. 7, twelve electromagnets 41 'can be seen. A transport mechanism 3 'for performing actual transport is not shown in FIG.

  FIG. 8 is a cross-sectional view taken along line AA of the suction mechanism 2 ′ according to the prior art shown in FIG. 7.

  A magnetic material adsorption mechanism 4 'according to the prior art will be described. The magnetic body attracting mechanism 4 'according to the prior art includes an electromagnet 41'. The electromagnet 41 'includes an iron core 42' and a coil 43 'wound around the iron core 42'. The iron core 42 ′ and the coil 43 ′ are accommodated in the housing 6 ′. The casing 6 ′ includes side wall portions 62 ′ and 63 ′ present on both the left and right sides in FIG. 8, a lid portion 61 ′ located on the upper side in FIG. 8, and a bottom portion 64 ′ located on the lower side. In the drawing, the coil 43 ′ is located above the casing 6 ′, and the iron core 42 ′ extends from the lid portion 61 ′ of the casing 6 ′ to the bottom 64 ′. The coil 43 ′ is fixed to the front wall and the rear wall by fixing means (bolts and the like), and the iron core 42 ′ is fixed to the lid portion 61 ′ and the bottom portion 64 ′ by another fixing means (also bolts and the like). Yes. Although not shown in the figure, an energization device (power supply) for energizing the coil 43 ′ is provided.

  Next, the nonmagnetic adsorbing mechanism 5 'according to the prior art will be described. The nonmagnetic adsorbing mechanism 5 'includes an air suction mechanism provided in the housing 6' and below the coil 43 ', and a suction device 7' (blower and the like are not shown). The air suction mechanism includes an opening 631 ′ provided in the side wall of the housing 6 ′, a space for guiding suction air, an opening 641 ′ provided in the bottom 64 ′ of the housing 6 ′, and the like. A space for guiding the suction air exists so as to surround the iron core 42 ′ of the electromagnet 41 ′. By operating the suction device 7 ′ connected to such an air suction mechanism, air is sucked in the direction of the arrow in the drawing, thereby generating a force for attracting the nonmagnetic member 100.

  A coil cover is provided below the coil 43 ′ of the electromagnet 41 ′ of the attracting mechanism 2 ′ in the prior art. As described above, there is a possibility that contaminants such as oil may be included in the sucked air, and this is to prevent the contaminants from contacting and adhering to the coil 43 ′ of the electromagnet 41 ′.

  Next, one embodiment of the suction conveyance device 1 according to the present invention will be described. FIG. 1 shows a suction conveyance device 1 according to an embodiment of the present invention. In this embodiment, the suction mechanism 2 is shown in the upper part of the drawing, and a transport belt 31 (lower surface transport belt conveyor) as the transport mechanism 3 is shown under the suction mechanism 2. It can be seen that the suction mechanism 2 according to the present invention has a plurality of electromagnets 41 as well as the suction mechanism 2 ′ according to the prior art. These electromagnets 41 constitute the magnetic body adsorption mechanism 4.

  FIG. 2 is a cross-sectional view taken along line BB in FIG. It can be seen that the electromagnet 41 constituting the magnetic body adsorption mechanism 4 is accommodated in the housing 6 composed of the lid portion 61, the side wall portion 62, the side wall portion 63, and the bottom portion 64.

  The electromagnet 41 includes an iron core 42 and a coil 43 wound around the iron core 42. A suction port 44 is provided in the lower part of the iron core 42, and the lower part of the iron core 42 is located in an opening 641 provided in the bottom 64 of the housing 6. The suction port 44 of the iron core 42 continues to an air flow path 45 provided in the iron core 42, and the air flow path 45 penetrates to the upper end portion 46 of the iron core 42. These elements, that is, the opening 641 of the bottom 64 of the housing 6, the suction port 44 of the iron core 42, and the air flow path 45 constitute the nonmagnetic adsorbing mechanism 5. This non-magnetic substance adsorption mechanism 5 is connected to a suction device 7 provided in the upper part of the housing 6 in the drawing. The suction device 7 is formed as an ejector 71 in this embodiment.

  Under the coil 43 of the electromagnet 41 in this embodiment, there is no space for suction air guidance as in the prior art, and the air to be sucked is in the air flow path 45 provided inside the iron core 42. Will be guided.

  A transport mechanism 3 can be seen below the suction mechanism 2 in FIGS. As described above, the transport mechanism 3 is formed as the transport belt 31 in this embodiment. In this case, the conveyor belt 31 is a lower-surface conveyor belt 31 (belt conveyor). The conveyor belt 31 can be continuously driven or stopped by a drive mechanism 32 (gear or the like) and a drive device 33 (eg drive motor or the like). By adsorbing the member 100 to the conveying mechanism 3 (conveying belt 31) by the adsorption mechanism 2, the member 100 can be adsorbed and conveyed. Since both the magnetic substance adsorption mechanism 4 (electromagnet 41) and the non-magnetic substance adsorption mechanism 5 (air suction mechanism) are provided in the adsorption mechanism 2, the conveyance of either the magnetic member or the non-magnetic member 100 is possible. It becomes possible.

  It can be seen that the transport belt 31 is provided with a hole 311 for adsorbing the non-magnetic material with air.

  In the figure, an example of lower surface conveyance is shown. Here, the lower surface conveyance is a method in which the suction mechanism 2 is provided on the upper side (in the drawing) of the conveyance belt 31 and the member 100 is attracted to the lower surface of the conveyance belt 31 and conveyed.

  The transfer device according to the present invention can use not only the lower surface transfer but also the upper surface transfer. Here, the upper surface conveyance is a method in which the suction mechanism 2 is provided below the conveyance belt 31 and the member 100 is placed on the upper surface of the conveyance belt 31 and conveyed.

  Since the conveyor belt 31 is frequently moved and stopped at high speed, the member 100 may not be stabilized on the conveyor belt 31 in the case of upper surface conveyance, but the positional deviation may occur. However, the suction mechanism 2 according to the present invention is used. By doing so, the member 100 is attracted to the transport belt 31, thereby preventing the position shift of the member 100 on the transport belt 31.

  The suction device 7 connected to the nonmagnetic substance adsorption mechanism 5 will be described. It has been described in the above embodiment that the suction device 7 is formed as the ejector 71 (see FIGS. 2 and 3). The ejector 71 is supplied with compressed air 72 as shown in the drawing in order to generate negative pressure (suction force). The supply of the compressed air 72 to the ejector 71 can be controlled by providing an electromagnetic valve 73 in the supply path (see FIG. 3). Since the solenoid valve 73 can be turned on and off at a high speed, the supply cutoff of the compressed air 72 can be controlled at a high speed accordingly.

  As shown in FIG. 1, one ejector 71 (suction device 7) can be provided for a plurality of nonmagnetic substance adsorption mechanisms 5. In this case, a separating means 65 (weir) is appropriately provided for each of the plurality of nonmagnetic substance adsorption mechanisms 5, and the rail-structured housing 6 is partitioned. As a result, the section assigned to one ejector 71 can be sucked. By changing the position of the separating means 65, the air suction range can be freely changed.

  It is also possible to provide one ejector 71 (suction device 7) for each non-magnetic substance adsorption mechanism 5. As a result, a finer suction range can be specified.

  A blower 74 can also be used as the suction device 7 (see FIG. 4).

  The transport mechanism 3 can also be constituted by a timing belt 312. The timing belt 312 has a side (conveying surface 313) in contact with the conveying member 100 and a side (tooth surface side 314) in contact with the drive mechanism 32 (gear or the like) (FIG. 5). By providing the planar portion 315 on the tooth surface side 314, it is possible to provide the air communication channel 316 between the plurality of suction mechanisms.

  A suction pad shape 317 that assists the suction of the member 100 can be formed on the transport surface 313 of the belt. The suction pad shape 317 can be formed as a recessed portion having various shapes such as a circle and a polygon. FIG. 5 shows that an opening 318 is provided at the center of the suction pad shape 317.

  In the prior art, since the iron core 42 of the electromagnet 41 is located in the central portion of the rail structure housing 6 of the attracting mechanism 2 (that is, the central portion of the transport belt 31), the attracting opening for the nonmagnetic attracting mechanism 5 is used. 641 and the opening 318 provided in the conveyance belt 31 must be different from the position of the iron core 42, that is, a position avoiding the center of the conveyance belt 31 (see FIG. 6). For this reason, when a plurality of non-magnetic substance adsorption mechanisms 5 are continuously arranged, a structure in which they are alternately arranged in two rows as shown in FIG. 6 has been adopted.

  According to the present invention, the suction port 44 for the non-magnetic material adsorption mechanism 5 can be provided in the iron core 42. Accordingly, the openings 318 provided in the transport belt 31 can be arranged in a line at the center of the transport belt 31.

  The two-row arrangement in the prior art has a large area where the rails are attracted to the belt, and the load on the drive motor during the suction conveyance is large. According to the present invention, since the openings 318 provided in the conveyor belt 31 are arranged in a line in the center of the conveyor belt 31, the area on which the adsorption to the belt works is reduced, and the load of the drive motor is reduced. It became possible to contribute to.

  It is also possible to use a carrier belt 31 containing a magnetic wire. As a result, even when the non-magnetic material adsorption mechanism 5 (air suction) is not used, the magnetic force of the magnetic material adsorption mechanism 4 acts on the conveyance belt 31, so that the conveyance belt 31 itself acts on the magnetic material adsorption mechanism 4. Thus, the conveyor belt 31 is prevented from being separated from the rail structure of the suction mechanism 2 by a catenary. In this case, re-adsorption by the non-magnetic material adsorption mechanism 5 of the conveyance belt 31 is also facilitated.

1 Adsorption transport device 2 Adsorption mechanism

3 Conveying mechanism 31 Conveying belt 311 Hole 312 Timing belt 313 Conveying surface 314 Tooth surface side 315 Planar portion 316 Air communication channel 317 Suction pad shape 318 Opening portion

32 Drive mechanism 33 Drive device

4 Magnetic body adsorption mechanism 41 Electromagnet 42 Iron core 43 Coil 44 Suction port 45 Air flow path 46 Upper end of iron core

5 Non-magnetic material adsorption mechanism

6 Housing 61 Lid 62 Sidewall 63 Sidewall 631 Opening 64 Bottom 641 Opening 65 Separation means (weir)

7 Suction Device 71 Ejector 72 Compressed Air 73 Solenoid Valve 74 Blower

100 members

Claims (7)

An adsorption / conveying device (1) for adsorbing and conveying a magnetic material and a non-magnetic material, which has an adsorption mechanism (2) and a conveyance mechanism (3), and the adsorption mechanism (2) is a magnetic material adsorption mechanism. (4) A non-magnetic material adsorbing mechanism (5) and a housing (6) for housing them, and the magnetic material adsorbing mechanism (4) is wound around the iron core (42) and the iron core (42). It has an electromagnet (41) composed of a coil (43), and the non-magnetic material adsorption mechanism (5) is an air suction mechanism in the adsorption conveyance device (1), with the iron core (42) of the electromagnet (41) inside. A suction conveyance device (1) characterized in that an air suction mechanism is provided. As the air suction mechanism, the air passing through the iron core (42) from the suction port (44) below the iron core (42) of the electromagnet (41) to the upper end (46) of the iron core (42) from the suction port (44). The suction conveyance device (1) according to claim 1, wherein an opening (641) of the flow path (45) and the bottom (64) of the housing (6) is provided. The conveyance mechanism (3) is the conveyance belt (31), and a depression for adsorbing the member (100) to be conveyed is formed on the conveyance surface (313) of the conveyance belt (31) of the adsorption mechanism (2). The suction conveyance device (1) according to claim 1 or 2, wherein the suction conveyance device (1) is formed at a position that coincides with the position of the opening (641) of the bottom (64) of the housing (6). The adsorption conveyance device (1) according to any one of claims 1 to 3, wherein a plurality of nonmagnetic adsorption mechanisms (5) are provided. The suction conveyance device (1) according to claim 4, wherein each of the non-magnetic material suction mechanisms (5) has one suction device (7). 5. The air connection flow path (316) enabling communication of suction air between the plurality of nonmagnetic substance adsorption mechanisms (5) is provided in the transport mechanism (3). The suction conveyance device (1) described. An adsorption mechanism (2) comprising a magnetic substance adsorption mechanism (4), a non-magnetic substance adsorption mechanism (5), and a housing (6) for accommodating them, wherein the magnetic substance adsorption mechanism (4) is an iron core (42 ) And an electromagnet (41) composed of a coil (43) wound around the iron core (42), and the non-magnetic material adsorption mechanism (5) is an air suction mechanism in the adsorption conveyance device (1), An adsorption mechanism (2), wherein an air suction mechanism is provided in the iron core (42) of the electromagnet (41).

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