JPS6326346Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a steel material stacking device for stacking H-section steel, narrow-width flat steel, or wide-width flat steel.

Conventional configurations and their problems For example, when continuously produced H-beams are transported to a predetermined location, the H-beams are stacked in order to reduce the area occupied by the transport device. By the way, the problem here is
It may be necessary to insert the bottom of the trailing H-beam under the bottom of the leading H-beam. Conventionally, the leading H-beam is hoisted by a crane or the like, and the bottom of the trailing H-beam is dug under it, but this method has the drawbacks of being cumbersome to operate and unable to increase conveyance speed. be.

In addition, flat steel was transported in multiple stacks using magnetic cranes. And this stack of flat steel and H
Since the process was carried out in a separate location from that of shaped steel, it required a large area within the factory.

Purpose of the Invention The purpose of the present invention is to provide a steel stacking device that overcomes the above-mentioned conventional drawbacks.

Structure of the invention In order to achieve the above object, the steel material stacking device of the present invention is a steel material stacking device for stacking H-shaped steel, narrow width flat steel, or wide width flat steel.
A steel material stacking table that can be raised and lowered is provided to place the transported steel materials, and when the H-beams are stacked, the tip protrudes from below the top surface of the table to above the table, so that the H-beams placed on the table are stacked. A protrusion that can be raised and lowered to lift up the lower surface is provided, and when the flat steel is stacked, a steel receiving cart that can be moved in and out to receive the flat steel by protruding above the table from the downstream side in the steel transport direction is provided, and the steel transport of the table is provided. A fixed stopper is provided on the downstream side of the table and protrudes upward from the steel material receiving cart to regulate the receiving position of narrow and wide flat bars on the steel material receiving cart, and the steel material is received from below the table at the center position of the table. A movable intermediate stopper is provided that protrudes upward from the trolley to restrict the receiving position of narrow steel materials.

Embodiment and Operation An embodiment of the present invention will be described below based on the drawings. In Fig. 1, 2 is H-shaped steel 1A or flat steel 1
B is an incoming roller conveyor that conveys the steel materials 1 in the direction of arrow A; 3 is an unloading roller conveyor that conveys the stacked steel materials 1 in the direction of arrow B; 4 is an incoming roller conveyor that conveys the steel materials 1 from the incoming roller conveyor 2; A plurality of steel material carrying-in devices that receive and transport in the direction of arrow C, 5 are a plurality of chain conveyors that receive the steel material 1 carried in by the steel material carrying-in device 4,
They are arranged in parallel in pairs at appropriate intervals. 6 indicates the steel material 1 on each chain conveyor 5 by arrow C.
A plurality of pusher devices for pushing out in the direction; 7 is a steel stacking table disposed in parallel with each other at appropriate intervals at a suitable location facing the downstream end of each chain conveyor 5; 8 is a steel material stacking table disposed above the table 7 and an unloading roller conveyor; A steel material receiving cart 9, which is movable in the directions of arrows C and D, is fixed at a suitable position opposite the downstream end of the table 7 to prevent the flat steel 1B transported by the cart 8 from moving. A fixed stopper 10 for regulating the receiving position and dropping the flat bar 1B onto the table 7 is disposed at a suitable position facing approximately the center of the table 7 so as to be able to rise and fall freely, and its tip extends from below to above the upper surface of the cart 8. An intermediate stopper 11 receives the steel material 1 on the table 7 by preventing the movement of the flat steel material 1B that has been projected and transported by the trolley 8, regulating the receiving position, and dropping the flat steel material 1B onto the table 7. Roller conveyor 3 for unloading
12 is an end face aligning device provided on both sides of the table 7. The steel material carrying-in device 4 will be explained based on FIG. 2. Reference numeral 14 denotes a horizontal guide rail, which is composed of a pair of U-shaped frames connected to each other. 15 is a pair of parallel links whose lower end is pin-connected to a fixed bearing and whose upper end is pin-connected to a bracket on the lower surface of the horizontal guide rail 14; 16 is a loading cart that is movable along the horizontal guide rail 14; and 17 is one end. is connected to the front end of the carrying truck 16, and the other end is connected to a plurality of sprocket wheels 1.
This is a chain connected to the rear end of the carrying truck 16 via 8. The chain conveyor 5 is placed on a machine frame 20 as shown in FIGS. 4 and 5. The pusher device 6 will be explained based on FIGS. 4 and 5. 21 is a guide rail fixed to the machine frame 20, 22 is a pusher main body, which includes a bogie portion 22A that can freely run along the guide rail 21, and after rising from the rear end of the bogie portion 22A, it moves horizontally. It is composed of an L-shaped arm 22B that extends over the truck portion 22A in a twisted manner, and a pusher claw 24 that is rotatably supported in the directions of arrows E and F at the tip of the L-shaped arm 22B via a support shaft 23. As shown in FIG. 4, the tip of the pusher claw 24 normally protrudes above the upper surface of the chain conveyor 5 due to its own weight, and from this state it cannot rotate in the direction of arrow E, but in the direction of arrow F. is configured to be rotatable. Reference numeral 25 designates a first cylinder whose main body is pin-connected to the bracket of the guide rail 21 and whose piston rod tip is pin-connected to the bracket of the truck portion 22A. As shown in FIGS. 8 and 9, the table 7 includes a table main body 28 placed on a base frame 27, and a pair of vertically movable table bodies inserted into a hole formed in the upper surface of the main body 28. It is composed of a platform 29, a bottom plate 30 disposed on the upper surface of both elevating tables 29, and a disc spring 31 disposed below each elevating table 29. 32 is a guide frame that supports the table 7 in a vertically movable manner; 33 and 34 are second and third cylinders integrally connected in series; the lower end of the second cylinder 33 is connected to a bracket on the bottom surface of the groove 35; Pin connected, third cylinder 3
The upper end of 4 is connected to the table body 28 with a pin. As shown in FIGS. 6 and 7, the steel material receiving cart 8 is movable along an inclined rail 37 that slopes downward as it approaches the unloading roller conveyor 3. In the state shown in FIG. 1, the tip end 8A extends above the table 7, and the upper surface of the upper plate 38 thereon is flush with the upper surface of the chain conveyor 5.
There are two types of steel material receiving carts 8: those having a U-shaped planar shape and those having a linear planar shape (see FIG. 1). Reference numeral 39 designates a fourth cylinder whose main body is connected with a pin to the bracket of the machine frame 20 and whose piston rod tip is connected to the bracket of the steel material receiving truck 8 with a pin. The fixed stopper 9 is fixed on the downstream end of the guide rail 21 as shown in FIGS. 4 and 5. As shown in FIGS. 10 and 11, the intermediate stopper 10 is supported by a guide frame 41 and is movable up and down. 42 is a fifth cylinder whose main body is fixed to the lower end of the guide frame 41 and whose piston rod tip is connected to the lower end of the intermediate stopper 10 via an intermediate rod 43; 44 is a support frame that supports the guide frame 41. The stacked steel material carrying belt 11 will be explained based on FIG. 3. Reference numeral 46 denotes a horizontal guide rail, which is composed of a pair of mutually connected U-shaped frames. 47 is a plurality of parallel links whose lower ends are pin-connected to a fixed bearing and whose upper ends are pin-connected to a bracket on the lower surface of the horizontal guide rail 46; 48 is a lever fixed to the lower end of the appropriate parallel link 47 via a pin. , 49 is a sixth cylinder whose main body is pin-connected to a fixed bracket and whose piston rod tip is pin-connected to the tip of the lever 48; 50 is a carry-out cart movable along the horizontal guide rail 46; As shown in the figure, the first half 50A, the second half 50B,
The long holes 51 at both ends form the front and rear halves 50A, 5, respectively.
It is composed of a connecting link 53 that fits into the pin 52 of 0B. A chain 54 has one end connected to the front end of the front half 50A and the other end connected to the rear end of the front half 50A via a plurality of sprocket wheels 55. Above both front and rear halves 50A, 5
0B are separated from each other by a certain distance only when carrying out the narrow flat bar 1B, and when carrying out the H-shaped bar 1A and the wide flat bar 1B, they are integrally connected by a connecting means (not shown). They are connected. In FIG. 1, reference numeral 57 denotes a phototube type steel material detection device installed across the downstream end of the chain conveyor 5;
59 is a posture correction device for the H steel material 1A, and the first
As shown in FIGS. 2 and 13, a base 61 is fixed on a common base frame 60 with the table 7, a bracket 62 is erected at a location of the base 61 facing the center of the table 7, and the base end is A rotary lever 64 is connected to the tip of the bracket 62 with a pin 63 so as to be movable up and down, and the tip extends toward the chain conveyor 5 side, and a main body is connected to the base 61 with a pin, and the tip of the piston rod is connected to the rotary lever 64. A seventh cylinder 6 connected to a pin 65 at the tip of
6, a pin 67 connected to the tip of the rotating lever 64 so as to be rotatable in the directions of arrows G and H, and a protrusion 68 whose tip is normally erected by a lower counterweight 68A; A stopper 69 that prevents the protrusion 68 from rotating in the direction of the arrow G from the upright state, and a rotation angle regulating block 70 that is fixed to the rotation lever 64 and prevents the protrusion 68 from rotating too much in the direction of the arrow H. It is configured.

Hereinafter, the effects of the above configuration will be explained. First, the procedure for stacking the H-section steel 1A will be explained. In FIG. 1, when the H-shaped steel 1A is carried in the direction of arrow A by the carrying roller conveyor 2 and stopped at a predetermined position, the parallel link 15 of the steel material carrying device 4 shown in FIG. This causes the horizontal guide rail 14 and the loading truck 16 to rise, and the loading truck 16 lifts the H-section steel 1A. Next, the drive unit rotates one of the sprocket wheels 18 in one direction, thereby causing the H
The carry-in cart 16 carrying the shaped steel 1A is moved in the direction of arrow C. Next, when the H-shaped steel 1A on the carry-in cart 16 is brought to a predetermined position on the chain conveyor 5,
This is detected by the detection device 57, and the detection signal causes the sprocket wheel 18 to stop rotating and the parallel link 5 to be lowered. As a result, the H-section steel 1A is placed on the chain conveyor 5. Next, the piston rod of the first cylinder 25 is reduced, and the pusher body 22 in the state shown in FIGS. 4 and 5 is moved in the direction of arrow C, and as shown in FIG.
is pushed out onto the table 7 as shown in FIG. 14b. Next, the third cylinder 34 is operated to lower the table 7 slightly, and as shown in FIG. Furthermore, as shown in FIG. 4D, the trailing H-section steel 1A and the preceding H-section steel 1A are pushed out toward the center of the table 7 by the pusher claw 24. Next, the piston rod of the seventh cylinder 66 of the posture correction device 59 is extended, and the rotating lever 64 is rotated upward, so that the tip of the protrusion 68 projects from below to above the upper surface of the table 7, as shown in FIG. to support the bottom of the trailing H-section steel 1A. Next, as shown in Figure f, the protrusion 68 is further pushed up to lift the trailing H-section steel 1A. Next, as shown by the imaginary line in figure f, the H-section steel 1 is
A is pushed onto the table 7 by the pusher claw 24, and its bottom is inserted under the central H-shaped steel 1A lifted by the projection 68. Next, the tip of the protrusion 68 is lowered from the upper surface of the table 7, and then the three H-beams 1A are pushed out toward the center of the table 7 by the pusher claw 24. Next, after the end faces of the three H-section steels 1A are aligned by the end face aligning device 9, the table 7 is raised to the highest level. Next, the sixth cylinder 49 of the stacked steel material carrying-out device 11 is activated to raise the parallel link 47, and the carrying-out cart 50 is raised.
Lift up the section steel 1A. Next, one of the sprocket wheels 55 is rotated in one direction, thereby moving the carrying truck 50 in the direction of arrow C via the chain 54. Once the stacked H-shaped steel 1A is brought above the roller conveyor 3 for carrying out, the parallel link 47 is pulled down and the H-shaped steel 1A is placed on the roller conveyor 3 for carrying out. Next, the conveyor 3 is operated to transport the H-section steel 1A in the direction of arrow B.

Next, the procedure for stacking the narrow flat bars 1B will be explained based on FIGS. 15 and 16. 1st
As shown in FIG. 5a, the flat steel 1B is brought onto the chain conveyor 5 by the same procedure as for the H-section steel 1A. Next, the flat steel 1B is pushed out by the pusher claw 24 onto the tip 8A of the steel material receiving cart 8 waiting above the table 7. At this time, the intermediate stopper 10
Since the tip of the flat bar 1B is projected upward from the tip 8A, the extruded flat bar 1B hits the intermediate stopper 10 and is stopped. Next, the steel material receiving cart 8 is moved in the direction of arrow C, and the flat steel 1B on the tip end 8A is dropped onto the center of the table 7 as shown in FIG. 15b. Next, the intermediate stopper 10 is lowered and the steel material receiving cart 8 is moved in the direction of arrow D, and the tip 8A is
As shown in FIG. Next, the flat bar 1 is pushed onto the tip portion 8A using the pusher claw 24 in the same manner as described above. At this time, since the intermediate stopper 10 is lowered, the flat bar 1 moves until it hits the fixed stopper 9, as shown by the imaginary line in FIG. 15c. Next, steel material receiving cart 8
When moved in the direction of arrow C, the flat bar 1 falls onto the edge of the table 7, resulting in the state shown in FIG. 15d. Next, the table 7 is lowered by an amount corresponding to the thickness of one sheet of flat steel 1B. Thereafter, by repeating the same operation as described above, the flat bars 1B are stacked one after another on both flat bars 1B of the table 7. Next, as shown in FIG. 15e, when a predetermined number of flat bars 1B are stacked in two rows on the table 7, the steel material receiving cart 8 is moved in the direction of arrow C and the table 7 is stacked.
After opening the upper part of the table 7, raise it to the highest level. Next, after the end faces of the stacked flat bars 1B are aligned by the end face alignment device 9, the carrying truck 50 is raised, and the stacked flat bars 1B are
lift up. Next, the unloading cart 50 is moved in the direction of arrow C. Then, only the front half 50A of the unloading cart 50 is moved first, and then the rear half 50B is also moved via the connecting link 53, and the first half 50A is moved.
As shown in FIG. 6, a certain distance is left between the front half 50A and the rear half 50B, and they continue to move in this state. Next, as shown in the imaginary line in FIG. 16, if the stacked flat bars 1B on the front half 50A are brought above the unloading roller conveyor 3,
The parallel link 47 is pulled down and the flat steel 1B is placed on the carrying-out roller conveyor 3. Next, the conveyor 3 is operated to carry out the loaded flat steel 1B in the direction of arrow B. Next, after raising the parallel link 47 again, the carrying cart 50 is moved in the direction of arrow C, and the stacked flat bars 1 on the rear half 50B are
B is brought onto the roller conveyor 3 for carrying out. Thereafter, the stacked flat bars 1B may be carried out in the direction of arrow B in the same manner as described above.

Next, when stacking wide flat bars 1, the first
With the intermediate stopper 10 lowered as shown in Figure 7a, the stacking operation is performed using only the fixed stopper 9, and the flat bars 1 are stacked on the table 7 as shown in Figure 7b. In addition, when carrying out, the front half 50A and the rear half 50 of the carrying cart 50 are
B shall be fixed so as not to be separated from each other.

Effects of the invention As described above, according to the invention, the posture of the H-shaped steel on the table is corrected by making the tips of the protrusions project upward from below the top surface of the table, and thereby Shaped steel can be stacked on top of each other, and a steel material receiving cart is projected above the table, and a fixed stopper or a raised intermediate stopper restricts the narrow flat steel receiving position and the said cart is retracted. By this, narrow flat steel can be stacked in two rows on the table, and furthermore, the steel material receiving cart is projected above the table, and the fixed stopper restricts the wide flat steel receiving position and the said cart is retracted. This allows you to stack wide flat bars on a table more easily than before, and also allows you to stack H-beams, narrow flat bars, and wide flat bars with one device. can be stacked on top of each other, saving space in the factory.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a plan view, Fig. 2 is a view taken in the direction of - arrow in Fig. 1, Fig. 3 is a view taken in - direction of Fig. 1, and Fig. 4 is a pusher device. 5 is the same plan view, FIG. 6 is the front view of the steel material receiving cart, FIG. 7 is the same plan view, FIG. 8 is the front view of the table, and FIG. 9 is the same partially cutaway plan view. , 10th
The figure is a front view of the intermediate stopper, Fig. 11 is a plan view of the same, Fig. 12 is a front view of the posture correction device, Fig. 13 is a plan view of the same, and Fig. 14 a to f show the stacking procedure of H-beams. Explanatory diagrams, Figures 15a to 15e are explanatory diagrams showing the procedure for stacking narrow flat bars, Figure 16 is an explanatory diagram showing the unloading state, and Figures 17a and b are diagrams showing the procedure for stacking wide flat bars. It is an explanatory diagram. 1...Steel material, 1A...H section steel, 1B...flat steel,
2... Roller conveyor for carrying in, 3... Roller conveyor for carrying out, 4... Steel material carrying-in device, 5... Chain conveyor, 6... Pusher device, 7... Table, 8... Steel material receiving cart, 9... fixed stopper,
10... Intermediate stopper, 11... Stacked steel material carrying-out device, 16... Carrying-in trolley, 50... Carrying-out trolley,
59... Posture correction device, 64... Rotating lever, 6
6...7th cylinder (protrusion lifting device), 68...
protrusion.

Claims (1)

[Scope of utility model registration request] A steel stacking table is provided on which steel transported by a steel stacking device that stacks H-beams, narrow-width flat steel, or wide-width flat steel is placed. By being made to protrude into
A raised/lowered protrusion that lifts up the lower surface of the H-shaped steel placed on the table is provided, and when flat steel is stacked, the steel material can be moved in and out to receive the flat steel by protruding above the table from the downstream side in the steel transport direction. A receiving cart is provided, and a fixed stopper is provided on the downstream side of the table in the steel material conveyance direction and protrudes upward from the steel material receiving cart to regulate receiving positions of narrow and wide flat bars on the steel material receiving cart, A steel material stacking device characterized by being provided with an intermediate stopper that can be raised and lowered to regulate the receiving position of narrow steel materials by protruding upward from a steel material receiving cart from below the table at the center position of the table.