JP5016907B2 - Cutting device - Google Patents

Description

  The present invention relates to a cutting apparatus, and more particularly to an apparatus that can be laid out in a small space and can efficiently cut a wide variety of workpieces without burdening an operator.

  When cutting a workpiece, for example, a steel material, the steel material is placed on a conveyor and conveyed to the end side, the steel material is held with a vise or a clamp, cut with a cutting machine, the hold is released, and the steel material is carried out. This is generally performed (Patent Document 1 and Patent Document 2).

  By the way, in actual cutting work, a small amount of various workpieces may be required depending on the convenience of the product, etc., but when cutting a large variety of workpieces with a single cutting device, the cutting work is stopped. Therefore, it is necessary to change the workpiece using a crane or a hoist, which is complicated.

  On the other hand, a plurality of conveyors are arranged parallel to each other and extending in the longitudinal direction to form a conveyor line, and a movable table is provided at the end of the conveyor line in the conveyance direction so as to be movable in a direction perpendicular to the conveyance direction. A cutting machine is mounted on the movable table, workpieces are mounted on each conveyor on the transfer line, the workpieces on each conveyor are sent and held toward the end, and the transferred workpieces are cut. A cutting apparatus has been proposed in which a cutting operation is performed on a plurality of transport conveyors (Patent Document 3).

JP 2002-321133 A JP 2000-237918 A JP 2002-36026 A

  Although the cutting device described in Patent Document 3 described above can efficiently cut a wide variety of workpieces without placing a burden on the operator, a large layout space is required because a plurality of conveyors are arranged on a plane. In some cases, installation was limited due to space limitations.

  In view of such problems, an object of the present invention is to provide a cutting apparatus that can be laid out in a small space and can efficiently cut a wide variety of workpieces without burdening the operator.

  Therefore, the cutting device according to the present invention is configured by arranging a plurality of roller conveyors in multiple stages in the vertical direction, and a shelf facility in which workpieces can be stored on the plurality of stages of roller conveyors, and the front of the shelf facilities And a lifter that can move up and down along the shelf equipment and receive workpieces taken out from the plurality of stages of roller conveyors, and is provided in front of the lifter and cuts the removed workpieces And a cutting machine.

  One of the features of the present invention is that the roller conveyors are arranged in multiple upper and lower stages to constitute a shelf facility, and a lifter is provided in front of the shelf facility to receive the work taken out from each stage of the roller conveyor and lowered to cut forward. The point is that it is cut with a machine.

  Accordingly, when the building has a sufficient height, a variety of workpieces can be stored vertically in a space for storing one type of workpiece, and the cutting device can be laid out in a small space.

  The shelf equipment should just be comprised by arrange | positioning several roller conveyors to upper and lower multistage. For example, the multi-stage roller conveyor may be arranged extending in the lateral direction of the shelf facility, or may be arranged extending in the front-rear direction of the shelf facility.

  When a multistage roller conveyor is arranged extending in the lateral direction of the shelf facility, it is preferable that workpieces are carried into the multistage roller conveyor from the side of the shelf facility. In that case, for example, a work area of a forklift truck may be provided on the side of the shelf facility.

  Moreover, when arrange | positioning a multistage roller conveyor extended in the horizontal direction of a shelf installation, it is necessary to take out a workpiece | work in the direction which cross | intersects the conveyance direction of the workpiece | work by a roller conveyor. Therefore, it is preferable that the lifter is provided with a fork mechanism, and the fork of the fork mechanism is inserted between adjacent rollers of the roller conveyor so that the workpiece can be lifted to take out the workpiece to the side of the roller conveyor.

  Moreover, when arrange | positioning a multistage roller conveyor extended in the front-back direction of a shelf installation, it is calculated | required that the side space of a multistage roller conveyor should be utilized effectively. Therefore, it is preferable to arrange a plurality of roller conveyors in a plurality of rows in the width direction of the shelf equipment.

  When arranging a plurality of rows of multi-stage roller conveyors extending in the front-rear direction of the shelf facility, a traveling rail may be provided extending in the lateral direction in front of the shelf facility, and the lifter may travel along the shelf facility, Also, a lifter may be provided in front of each row of roller conveyors.

  The roller conveyor may be constituted by only free rollers, or may be constituted by drive rollers and free rollers.

  The lifter is only required to be lifted and lowered along the shelf equipment, and can be constituted by, for example, a cylinder, a cylinder and a link mechanism, a drive motor and a rack and pinion mechanism, a suspension rope and a winding mechanism, or the like. A roller conveyor may be mounted on the lifter so as to extend in the front-rear direction.

  The fork mechanism only needs to be able to lift and take out the work by inserting the fork between adjacent rollers. For example, a structure in which a steel plate, an angle or a rod is slid by a cylinder or a rack and pinion mechanism can be adopted.

  As long as a cutting machine can cut | disconnect a workpiece | work, any methods, such as a saw blade type, a shearing type, a plasma type, may be sufficient. In addition, the cutting machine may be fixed on the floor surface, may be provided with a traveling rail in front of the shelf equipment, and may be mounted on a lifter.

  Although the kind of workpiece | work is not specifically limited, The effect will be large when it applies to the cutting | disconnection of long workpieces, such as steel materials.

Hereinafter, the present invention will be described based on specific examples shown in the accompanying drawings. 1 to 3 show a reference example of a cutting apparatus according to the present invention. The cutting apparatus of this example includes a shelf facility 10, a receiving rack 20, a fork mechanism 30, a cutting machine 40, and a lifter 50.

  In the shelf facility 10, workpieces are loaded from one side and are taken out from the front end, while a stopper plate 10 </ b> A is provided on the other side of the shelf facility 10. In this shelf facility 10, a plurality of H-shaped steel columns 11 are fixed on the floor with a space therebetween, and their upper ends are connected to each other. It is composed of stages.

  In each of the plurality of shelves 12, the plurality of receiving members 13 are fixed to the same height of the plurality of support columns 11 arranged in the widthwise direction so as to be parallel to each other and lower toward the front, that is, toward the receiving rack 20. Has been.

  The receiving member 13 is configured such that the rotating shaft of the long roller 13A is rotatably fitted in the receiving recesses of the receiving pieces on the front and rear sides of the mounting frame 13B, and the rear part of the mounting frame 13B is fixed to the column 11 by welding or the like. On the other hand, a locking piece 13C is projected upward at the front end of the mounting frame 13B, and thus a roller conveyor 14 extending in the lateral direction of the shelf facility 10 is formed. A shelf 12 is configured.

  The receiving rack 20 is configured by fixing a table 21 to a leg 22, the table 21 is inclined so as to become higher toward the shelf equipment 10, and holders 23 having a cross-sectional shape are fixed to the front edge of the table 21 on both sides. The holder 23 can receive a workpiece.

  The fork mechanism 30 is provided at the rear portion of the table 21 of the receiving rack 20. In the fork mechanism 30, the fork 31 is supported on the table 21 so as to be tilted so as to be raised toward the shelf equipment 10, and is slidably supported. The fork 31 is, for example, driven through a slit (not shown) of the table 21, For example, it is slid back and forth by a drive mechanism 32 in cooperation with a hydraulic cylinder.

  The cutting machine 40 is composed of, for example, a circular saw 41, a drive motor 42, a slide mechanism (not shown), a vise and a feed mechanism (not shown), and appropriately feeds the workpiece received by the holder 23 and holds it with the vise. A circular saw 41 is used to cut to a predetermined length.

  The receiving rack 20, the fork mechanism 30 and the cutting machine 40 are mounted on a lifter 50, and the lifter 50 can be moved up and down along the shelf facility 10 by a link mechanism 51 and a hydraulic cylinder 52, for example. In addition, since the raising / lowering system by a link mechanism and a hydraulic cylinder is conventionally well-known, the detailed description is abbreviate | omitted.

  For example, when cutting pipes (workpieces) and steel bars (workpieces) having different outer diameters, hoists and overhead cranes are used to lift the pipes and steel bars and carry them into the shelf 12 from one side of the shelf equipment 10 for each type. .

  The carried pipes and steel bars are sent toward the other side of the shelf facility 10 by the receiving member 13 and are positioned by hitting the stopper plate 10A, and are moved toward the front end side of the shelf facility 10 by its own weight and the inclination of the receiving member 13. It moves toward and is positioned and stored by the locking piece 13C.

  When cutting, the fork 31 is slid to a distance that can receive a desired number of pipes or steel bars while raising the lifter 50 to the height of the shelf 12 in which the target pipes or steel bars are stored. It is lifted by the fork 31, gets over the locking protrusion 13 </ b> C, rolls forward on the fork 31, moves from the fork 31 to the receiving rack 20, and rolls forward on the table 21 of the receiving rack 20.

  When all necessary pipes and steel bars stored in each shelf 12 are taken out onto the receiving rack 20, the lifter 50 is lowered to the floor surface, and the pipes or steel bars are cut by the cutting machine 40 in a stable state. The operator can take out the cut pipe or bar appropriately.

4 and 5 show an embodiment of a cutting device according to the present invention . In the figure, the cutting apparatus of this example is composed of a lifter 50, a shelf equipment 60, a cutting machine 70, and a fixed-size feed mechanism 71.

  In the shelf facility 60, a plurality of H-shaped steel columns 62 are vertically arranged on the floor surface with a space in the lateral direction and the front-rear direction of the shelf facility 60, for example, three columns of five columns 62 in the front-rear direction. The shelves 61 are arranged in a plurality of stages between the plurality of support columns 62.

  In each of the plurality of shelves 61, bearings are mounted at the same height of the three columns of columns 62, and the rotation shafts of the free rollers 63 are rotatably supported on the bearings, and thus a plurality of stages of roller conveyors are configured in two rows. Has been.

  Lifters 50 are respectively arranged in front of the roller conveyors 61 of the shelf facility 60. The lifter 50 can be moved up and down along the shelf facility 60 by a link mechanism 51 and a hydraulic cylinder 52, for example. In addition, a plurality of free rollers 54 are arranged on the upper surface of the lifter 50 so as to extend in the front-rear direction to constitute a roller conveyor.

  Further, traveling rails 72 and 73 are laid in front of the lifter 50 so as to extend in the lateral direction of the shelf equipment 60, and a cutting machine 70 and a constant-size feed mechanism 71 are mounted on the traveling rails 72 and 73 so as to be able to travel. Yes.

Cutting machine 70 is composed of a circular saw and a drive motor, for example, fixed-dimension feed mechanism 72 is composed of, for example feed mechanism and vice, that has become a workpiece 80 to be cut to send the cutter 70 by a certain dimension.

  For example, when cutting steel plates 80 of different materials and thicknesses, the steel plates 80 are placed on the roller conveyor of the lifter 50 using a forklift, hoist, or overhead crane, and the lifter 50 is raised to the empty shelf 61 of the shelf facility 60. It carries in and stores, and the several steel plate 80 is stored in the shelf 61 similarly.

  When cutting, the cutting machine 70 and the fixed-size feed mechanism 71 are moved to the front of the shelf 61 in which the target steel plate 80 is stored and stopped, and the lifter 50 is raised to the height of the shelf 61 in which the target steel plate 80 is stored. The steel plate 80 of the shelf 61 is moved onto the lifter 50 while sliding on the roller conveyor of the shelf 61, and placed on the roller conveyor of the lifter 50.

  When the steel plate 80 is received by the lifter 50, the lifter 50 is lowered to the lowest position, the steel plate 80 is slid on the roller conveyor of the lifter 50, and is fed into the sizing feed mechanism 71. It is sent to and held by the cutting machine 70 and cut by the cutting machine 70.

  What is necessary is just to repeat the same operation | work about the required thing among the steel plates 80 stored in each shelf 61, and to cut.

It is a schematic perspective view which shows the reference example of the cutting device which concerns on this invention. It is a side view which shows the said reference example . It is a figure which shows the structure of the support | pillar 11 and the receiving member in the said reference example . It is a side lineblock diagram showing an embodiment of a cutting device concerning the present invention . It is a plane block diagram which shows the said embodiment.

DESCRIPTION OF SYMBOLS 10 Shelf equipment 11 Support | pillar 12 Shelf 13 Receiving member 14 Roller conveyor 20 Receiving rack 30 Fork mechanism 31 Fork 40 Cutting machine 50 Lifter 60 Shelf equipment 61 Shelf 62 Strut (roller conveyor)
63 Roller (roller conveyor)
70 Cutting Machine 71 Fixed Dimension Feeding Mechanism 80 Steel Plate (Workpiece)

Claims (1)

A plurality of roller conveyor (62, 63) extending in the longitudinal direction are arranged in multiple stages in the vertical direction, is constituted by a plurality of rows arranged roller conveyor plurality several stages in the width direction, the plurality of roller conveyor of each stage ( 62, 63) shelf equipment (60 ) on which plate-like workpieces (80) can be stored;
Provided in front of the shelf equipment (60), a plurality of roller conveyor (54) is mounted to extend in the longitudinal direction, along the rack system (60) and up and down direction, the plurality of the elevated A lifter (50) for receiving the work (80) taken out from the roller conveyors (62, 63) of the step by the plurality of roller conveyors (54) ;
A sizing that is provided on a traveling rail (73) that extends in the lateral direction in front of the lifter (50), and that receives the work (80) on the lowered lifter (50) and sends it forward and holds it. A feed mechanism (71) ;
The sizing forward travel freely provided on the running rail extending in the transverse direction (72) at the feed mechanism (71), the Feeding mechanism (71) by fed a cutting machine for cutting a workpiece (80) (70) ,
A cutting device comprising:

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