JP3540990B2 - Magnet lifting tool for conveying shaped steel - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a magnet hanging tool for transporting a shaped steel. More specifically, the present invention relates to a magnet suspender for transferring or transshipping a section steel such as an angle iron.
[0002]
[Prior art]
The angle irons that have been formed and cooled in the molding line are once stacked and stored, but then transferred to another process such as painting, so that the stacked angle irons are taken out one by one and rearranged. Transported to For such rearrangement and transportation, a magnet suspender that suspends the angle iron by magnetic force is used.
By the way, the state where the angle irons are stacked and stored is as shown in FIG. 7, in which the angle irons a are stacked in several stages in an inverted V-shape, and the laminates are arranged in parallel. Then, in order to prevent the stacked state of each row from collapsing, every several (for example, 3 to 4) pieces of the angle iron a faced down, the angle steel b turned up in a V-shape is placed between the adjacent rows of the stacked bodies. And is placed on the left and right slopes of the angle iron a.
[0003]
As shown in FIG. 8, a conventional magnet hanging device is configured such that several magnetic metal fittings 101 are attached to a hanging device main body 100. The center of the lower end of each of the magnetic metal fittings 101 is cut into a square recess, and both ends thereof are cut obliquely, so that the lower end faces are along the left and right slopes of the angle irons a and b.
[0004]
[Problems to be solved by the invention]
Therefore, as shown in FIG. 8A, there is no problem in magnetically transporting the angle iron a in the state of being inverted V-shaped. However, as shown in the same figure (B), when magnetizing angle iron b turned up in a V-shape, it becomes easy to magnetize the outer slope of the angled steel a, which is one sheet down, at the same time. Problems such as lifting the two angle irons a and b and breaking the stacked state occur. Therefore, there is a problem that the conveyance cannot be automated.
[0005]
The present invention has been made in view of the above circumstances, and it is necessary to select and transport only the uppermost single-level angle iron from a stacked laminate of angle irons that are stacked with the face down or turned over. It is an object of the present invention to provide a magnet hanging tool.
[0006]
[Means for Solving the Problems]
In the magnet hanging tool for conveying shaped steel according to claim 1, the angle steels are stacked in an inverted V-shape, and the laminated bodies are arranged in parallel. A magnet hanger for magnetically attaching and transporting only the uppermost angle iron from a double-row laminated steel shape in which angle irons are inserted one by one in a left-right inclination in a V-shape. The tool is composed of a hanging tool main body containing an electromagnet, and a plurality of magnetic fittings attached to a side surface of the hanging tool body, and the plurality of magnetic fittings are arranged in parallel, and a left end is provided. The magnetic metal fitting has a magnetically attached surface that contacts only the left slope of the angle iron at the left end of the shaped steel double row laminate, and the right end magnetic metal fitting is the right end angle steel of the shaped steel double row laminate. And a middle intermediate magnetic metal fitting is a right slope of the left end angle iron in the sectioned steel double-row laminate. , Consisting of one or more magnetic metal fittings for magnetically attaching both slopes of the intermediate angle iron and the left slope of the right angle iron, and the left and right end magnetic metal fittings are located above the magnetically attaching position. Can be retracted to the non-working position.
According to a second aspect of the present invention, there is provided a magnet hanging tool for transporting a shaped steel according to the first aspect of the present invention, wherein a lifting cylinder is connected to the left and right end magnetic fittings. A piston rod of the lifting cylinder is attached to the lifting tool main body, the piston rod of the lifting cylinder is engaged with the end magnetic fitting, and the lifting cylinder is capable of pneumatic operation in both extension and contraction operations. I do.
According to a third aspect of the present invention, there is provided the magnet hanging tool for conveying a shaped steel according to the first aspect of the present invention, wherein the right end magnet and the middle magnet adjacent to the right magnet and the left magnet. A slide that allows the end magnetic fitting to move up and down between the fitting and the intermediate magnetic fitting adjacent thereto, and restricts lateral movement of the intermediate magnetic fitting in the end direction. A guide is provided.
According to a fourth aspect of the present invention, in the invention of the first aspect, the plurality of magnetic metal fittings are attached to a cassette plate, and the cassette plate is horizontal to the main body of the hanging tool. It is characterized in that it is slidably mounted in a direction so that it can be attached and detached.
According to a fifth aspect of the present invention, in the magnet hanging tool for conveying a shaped steel according to the fourth aspect, a U-shaped engaging metal fitting is horizontally attached to a tip of a piston rod of the elevating cylinder, and the end magnetic fitting is provided. An inverted L-shaped connection fitting is attached to an upper end of the fitting, and a protrusion of the connection fitting is inserted into a recess of the engagement fitting with a gap in the up-down direction.
[0007]
According to the first aspect of the present invention, when the angle steel bent in an inverted V-shape is arranged on the uppermost layer of the shaped steel double-row laminate, the left and right end magnetic fittings are the same as the intermediate magnetic fittings. By setting the magnetized work position, all the right and left slopes of all angle irons can be magnetically magnetized, so that only the uppermost one-stage angle iron can be selected and conveyed. In the case where the angled steel raised in a V-shape is lined up on the uppermost layer of the sectioned steel double-row laminate, if the left and right end magnetic fittings are retracted to the non-working position, the intermediate magnetic fittings become V-shaped. Only the left and right inner slopes of the angle irons arranged in the shape of a letter are magnetically attached, and the left slope and the right slope of the left and right ends of the angle steel bent down into an inverted V-shape located one layer below are not magnetized. As a result, the angle steel at the next lower stage is not incompletely magnetized, so that only the first stage of the V-shaped angle steel can be selected and transported.
According to the second aspect of the present invention, since the right and left end magnetic fittings can be pushed down to the magnetic working position or pulled up to the non-working position by the lifting cylinder, the position of the magnetic fitting can be reliably changed. In addition to lifting to the non-working position, it can also be pressed down to the magnetically bonded work position by pneumatic operation, so that the magnetically bonded surface can be pressed against the surface of the angle iron, eliminating unstable lifting. it can.
According to the third aspect of the present invention, even if the end magnetic fitting is retracted upward, the intermediate magnetic fitting does not fall or move sideways due to the slide guide, so that it is arranged in a V-shape. The angle iron can be securely transported by securely magnetizing the angle iron.
According to the fourth aspect of the present invention, a plurality of magnetic metal fittings can be attached to and detached from the hanging body at a time by sliding the cassette plate to and from the hanging body, so that the replacement operation can be easily performed.
According to the fifth aspect of the present invention, since the engaging member and the engaging member are always engaged in the vertical direction, the end magnetic mounting member can be moved up and down only by extending and retracting the elevating cylinder when mounting the cassette plate. Since the engaging fitting and the engaging member are not always engaged in the horizontal direction, the cassette plate can be freely taken in and out. Therefore, it is easy to replace the magnetic attachment.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a magnet hanging device according to an embodiment of the present invention, FIG. 2 is a side cross-sectional view of the magnet hanging device taken along the line II in FIG. 1, and (a) and (b) of FIG. Front view of the slide guide of the intermediate magnetic fitting adjacent to the end magnetic fitting, (c) is a sectional view of the slide guide, (d) is a front view of the automatic stationary magnetic fitting, and FIG. FIG. 5 is an explanatory view of a state in which a cassette plate is taken in and out of the tool, FIG. 5 is an explanatory view of a magnetized state of an angle iron placed in an inverted V shape in the magnet hanging tool, and FIG. FIG. 4 is an explanatory view of a magnetically attached state of the angle iron placed in the step.
[0009]
1 and 2, reference numeral 1 denotes a hanging body, which is a top plate 1a, two inner plates 1b attached to the lower surface thereof, and two outer plates 1c attached to outer surfaces of the two side plates 1b. have. Inside the two outer plates 1c and below the two inner plates 1b, two outer poles 2a are fixed, and a coil is attached to the inner pole 2b connected between the upper ends of the outer poles 2a. 3 is wound to form an electrode stone. In FIG. 2, the left side is referred to as the front side of the hanger, and the right side is referred to as the back side.
[0010]
A lower rail 4a and an upper rail 4b extending in the lateral direction are attached to the lower end part and the middle part of the two outer plates 1c, ie, the front and rear sides, and a cassette is provided between the lower rail 4a and the upper rail 4b. The plate 5 is slidably inserted. The cassette plate 5 is composed of a back plate 5a and a front plate 5b, and is fixed to each other with a gap between them to allow insertion of various types of magnetic metal fittings described later. On the front side of the back plate 5a, a horizontal bar 5c is formed at the lower end and extends in the horizontal direction, and supports the weights of the magnetic metal fittings 6, 7, 8, and 9 and the angle irons lifted by the magnetic metal fittings. I have.
A handle 5d is attached to one end of the cassette plate 5, so that the cassette plate 5 can be easily taken in and out manually.
[0011]
A plurality of magnetic metal fittings are used, and are composed of end magnetic metal fittings 6 and 7 and intermediate magnetic metal fittings 8 and 9. The end magnetic fitting includes a right end magnetic fitting 6 and a left end magnetic fitting 7. Although the configuration and number of the intermediate magnetic fittings 8 and 9 are arbitrary, in the present invention, the automatic stationary magnetic fitting 8 and the non-fixed magnetic fitting 9 are combined.
The automatic stationary magnetic metal fitting 8 is a magnetic metal fitting that is supported by the horizontal rail 5c and can move to some extent by its own weight to a fixed position. The non-fixed-type magnetic metal fitting 9 is a magnetic metal fitting that uses an upper tapered piece, is capable of slight lateral movement and tilting operation on the cassette plate 5, and can follow the inclination of the angle iron.
These two types of intermediate magnetic fittings 8 and 9 can be swung or oscillated in this way, so that even if the angle irons are not sufficiently aligned, they can be brought into close contact with the slopes of the angle irons. It has become.
[0012]
As shown in FIG. 3, the right end magnetic fitting 6 is composed of a vertically long piece 61, a connecting fitting 62 fixed to its upper end, and a connecting fitting 63 attached to its upper end. The lower end of the piece body 61 has a left half formed on a slope so as to have a shape conforming to the right slope of the angle iron a (see FIG. 7) turned down in an inverted V-shape to form a left magnetically attached surface 6a. The connection fitting 62 is a thick member having an inverted L-shape when viewed from the side, and a lower end surface thereof forms an engagement step 6 b on the back surface of the piece body 61. The connection fitting 63 is a thin long member having an inverted L shape in a side view, and an upper end portion thereof is an engagement member.
[0013]
In FIGS. 1 and 2, reference numeral 10 denotes an elevating cylinder, which is provided for elevating the right end magnetic fitting 6. Various cylinders such as an air cylinder, a hydraulic cylinder, and an electric cylinder type actuator are used for the lifting cylinder 10. The cylinder 11 constituting the lifting cylinder 10 is attached to the hanging body 1 by an appropriate fixing member, and an engagement fitting 13 is attached to the tip of the piston rod 12. The engagement fitting 13 has a U shape in a side view, extends long in the lateral direction, and is disposed between the left and right lifting cylinders 10. The engagement fitting 13 is engaged with the connection fitting 63 of the right end magnetic fitting 6 and the connection fitting 73 of the left end magnetic fitting 7. That is, since the engagement fitting 13 and the connection fittings 63 and 73 are engaged in the vertical direction but open in the horizontal direction, the right end magnetic fitting 6 can be moved up and down by the expansion and contraction operation of the lifting cylinder 10. However, when the cassette plates 5 are pulled out, they do not interfere with each other.
[0014]
A left end magnetic fitting 7 is arranged at the left end of the magnetic fitting row including the plurality of magnetic fittings. The configuration of the left end magnetic fitting 7 is the same as that of the right end magnetic fitting 6, and includes a piece 71, a connecting fitting 72, and a connecting fitting 73. However, the magnetically attached surface 7a of the piece body 71 is formed so that the right half is a slope so as to match the left slope of the angle iron a (see FIG. 7).
An elevating cylinder 10 is provided for elevating and lowering the left magnetic fitting 7, and the elevating cylinder 10 is the same as that for the right end magnetic fitting 6. The connecting fitting 73 is engaged with the horizontally long engaging fitting 13.
[0015]
As shown in FIG. 2, the height L inside the engagement fitting 13 is the same as the vertical stroke L of the intermediate magnetic fittings 8 and 9 in the mounting plate 5, and when the lifting cylinder 10 is in the lowered state. The end magnetic fittings 6, 7 can move up and down with the same stroke as the intermediate magnetic fittings 8, 9. In addition, even when the lifting cylinder 10 is raised, the end magnetic fittings 6 and 7 can move up and down within the inner dimension L of the engagement fitting 13 with reference to the raised position.
[0016]
The magnetic fitting row shown in FIG. 1 is the one on the left side of FIG. 2, that is, the front side, but a magnetic fitting row having the same configuration is also provided on the back side, that is, the right side of FIG.
The right and left end magnetic fittings 6 and 7 on the front side and the left and right end magnetic fittings 6 and 7 on the back side can be moved up and down by the elevating cylinder 10. In FIG. 2, the left side is a descending state, and the right side is an ascending state. The lifting cylinder 10 may be capable of performing a power operation only for a contraction operation, but is preferably a cylinder capable of performing a power operation for both extension and reduction operations. In this case, not only the lifting of the end magnetic fittings 6 and 7 but also the lowering operation can be forcibly performed. Therefore, both the evacuation operation to the non-working position and the forced pressing on the angle iron are possible.
[0017]
As shown in FIGS. 1 and 3, a slide guide 20 is provided between the end magnetic fittings 6 and 7 and the intermediate magnetic fittings 8 and 9 adjacent thereto. As shown in FIG. 3 (C), this slide guide 20 uses plates 21 and 22 having an L-shaped cross section. One plate 21 is attached to end metal fittings 6 and 7, and the other plate 22 is attached. The plate 21 is attached to the magnetic fitting 8 at the intermediate portion, and the two plates 21 and 22 are engaged so as not to be separated from each other.
When the end magnetic fittings 6 and 7 are lowered by the slide guide 20, the end magnetic fittings 6 and 7 are almost completely opened without opening the space between the adjacent intermediate magnetic fittings 8 in the lateral direction. It can be maintained in a vertical position.
[0018]
FIG. 4 shows a state where the cassette plate 5 is taken in and out. The cassette plates 5 are configured such that the back plate 5a is guided by the lower beam 4a and the upper beam 4b of the hanging tool main body 1 so as to be slidable in the lateral direction. Since all the magnetic metal fittings 6, 7, 8, and 9 can be inserted into the cassette plate 5 and handled collectively, it can be easily taken in and out for maintenance and the like, and the size and angle of the angle iron to be conveyed can be reduced. By preparing several kinds of cassette plates 5 in which magnetic fittings according to the number are inserted in advance and replacing the cassette plates 5 on site, it is possible to easily replace the magnetic fittings according to the transport target.
[0019]
FIG. 5 shows the manner of transporting the angle steel a which is the uppermost layer of the sectioned steel double row laminate and is bent in an inverted V-shape. In this case, if the right end magnetic fittings 6 and the left end magnetic fittings 7 at the left and right ends are set to the same magnetic work position as the other intermediate magnetic fittings 8 and 9, both the left and right sides of all angle irons a in the same layer Since the slopes can be simultaneously magnetized, the magnets can be securely magnetized and a plurality of angle irons a can be transported safely.
[0020]
FIG. 6 shows the manner of transporting the angle steel b turned upside down in the V-shape of the uppermost layer of the double-sectioned steel laminate. In this case, the right end magnetic fitting 6 and the left end magnetic fitting 7 at both left and right sides are lifted and retracted to the non-working position by the lifting cylinder 10. Then, even if the intermediate magnetic metal fittings 8, 9 are magnetically attached only to the left and right inner slopes of the angle iron b arranged in a V-shape, the distance from the outer slope of the angle iron a located one layer below is large. The force to magnetize does not work. Therefore, only the angle iron b on the back can be reliably transported by suction.
[0021]
Next, another embodiment of the present invention will be described.
Although a plurality of the intermediate magnetic fittings 8 and 9 are used, any one type of magnetic fitting may be used, and the present invention is not limited to the plurality and may be one. Although the magnetic attachment row is attached to the front side and the back side of the hanging tool main body 1, it may be only one of the front side and the back side.
Attachment of the magnetic metal fitting row to the hanging tool main body 1 may be performed indirectly using the cassette plate 5 or may be directly mounted on the side surface of the hanging tool main body 1.
[0022]
【The invention's effect】
According to the first aspect of the present invention, the angle steel bent in the inverted V-shape or the angle steel raised in the V-shape on the uppermost layer of the sectioned steel double row laminate surely selects only one step of the uppermost layer. Can be transported.
According to the second aspect of the present invention, the right and left end magnetic fittings can be pulled up to the non-working position or pushed down to the magnetic working position by the lifting cylinder. be able to.
According to the third aspect of the present invention, since the intermediate magnetic metal fitting does not fall or move laterally, the angle iron can be securely magnetized and transported.
According to the fourth aspect of the present invention, the cassette plate is slidably attached to and detached from the hanging member main body, so that attachment and detachment can be easily performed.
According to the fifth aspect of the present invention, the cassette plate can be freely taken in and out, and the magnetic attachment can be easily replaced.
[Brief description of the drawings]
FIG. 1 is a front view of a magnet hanging device according to an embodiment of the present invention.
FIG. 2 is a side cross-sectional view of the magnet hanging tool shown in FIG.
3 (a) and 3 (b) are front views of a slide guide of an end magnetic fitting and an intermediate magnetic fitting, FIG. 3 (c) is a sectional view of the slide guide, and (d) is an automatic stationary magnetic fitting. FIG.
FIG. 4 is an explanatory view of a state where a cassette plate in the magnet hanging tool is taken in and out.
FIG. 5 is an explanatory view showing a state of magnetic attachment of an angle iron placed in an inverted V shape in the magnet hanging device.
FIG. 6 is an explanatory view showing a magnetically attached state of an angle iron placed in a V-shape in the magnet hanging device.
FIG. 7 is an explanatory view showing a stacked state of angle irons in a section steel laminate.
FIG. 8 is an explanatory view of a problem in a conventional magnet hanging tool.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hanger main body 5 Cassette plate 6 Right end magnetic fitting 7 Left end magnetic fitting 8 Automatic stationary magnetic fitting 9 Unfixed magnetic fitting 10 Elevating cylinder

Claims (5)

The angle irons are stacked in an inverted V-shape, and the laminated bodies are arranged in parallel, and every few angle irons in each row are V-shaped, one by one on the left and right slopes of the angle irons in the adjacent row. A magnet hanging tool for magnetically attaching and transporting only the uppermost angle steel from the section steel double-row laminate inserted and raised,
The magnet suspending device includes a suspending device main body having a built-in electromagnet, and a plurality of magnetic attachments attached to side surfaces of the suspending device main body,
The plurality of magnetic metal fittings are arranged side by side, and the left end magnetic metal fitting has a magnetic magnetic surface that contacts only the left slope of the angle iron at the left end of the shaped steel double-row laminate,
The right end magnetized metal fitting has a magnetized surface that is in contact only with the right slope of the angled steel at the right end of the shaped steel double-row laminate,
The middle intermediate magnetic metal fitting is one or more magnetically magnetizing the right slope of the left end angle iron, the two slopes of the middle angle iron, and the left slope of the right angle angle steel in the above-mentioned double section laminate. It consists of
The left and right end magnetic attachments can be retracted from a magnetic attachment operation position to an upper non-operation position, wherein the magnet hangers for transporting a section steel. An elevating cylinder for elevating and lowering is connected to the left and right end magnetic fittings,
A cylinder of the lifting cylinder is attached to the hanging body,
The piston rod of the lifting cylinder is engaged with the end magnetic fitting,
The magnet lifting device according to claim 1, wherein the lifting cylinder is capable of pneumatic operation in both extension and contraction operations. The end magnets are provided between the right end magnet and the middle magnet adjacent thereto and between the left magnet and the middle magnet adjacent thereto, respectively. 2. The magnet hanging tool for conveying a shaped steel according to claim 1, further comprising a slide guide that allows only the lifting and lowering of the metal fitting. 2. The cassette according to claim 1, wherein the plurality of magnetic attachments are attached to a cassette plate, and the cassette plate is slidably attached to and detached from the hanger main body by sliding in a horizontal direction. Magnet hoist for conveying shaped steel. A U-shaped engaging metal fitting is horizontally attached to a tip of a piston rod of the elevating cylinder, and an inverted L-shaped connecting metal is attached to an upper end of the end magnetic fitting,
5. The magnet hanging tool for conveying shaped steel according to claim 4, wherein the projection of the connection fitting is inserted into the recess of the engagement fitting with a gap in the vertical direction.

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