JP2000271832A - Metal chip disposal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a metal chip disposal device separating metal chips entangled each other without human intervention, subdividing the metal chips automatically into prescribed amounts, and transporting efficiently to a prescribed location. SOLUTION: Piercing pointed end parts 42 of separating means 40 of a fixed separating mechanism 20 and a movable separating mechanism 30 are thrust into metal chips on a conveyer belt 6 of a chip conveyer device 2. Then, clustered metal chips are separated by moving the movable table 50 to separate the separating mean 40 of the movable separating mechanism 30 from the separating mean 40 of the fixed separating mechanism 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal swarf processing apparatus, and more particularly, to a shaft furnace by loosening a lump of copper swarf generated when cutting copper mold during copper melting and casting. The present invention is suitably embodied in a metal chip processing device for subdividing and transporting.

[0002]

2. Description of the Related Art For example, in molten casting in which molten copper is supplied from a tundish to a casting machine to form a mold copper, a continuously cast mold copper is cut into a predetermined length. At this time, a large amount of chips is generated. The copper chips are collected and then returned to the shaft furnace where they are melted and reused.

[0003]

However, each of the copper chips is curled, and the copper chips accumulated in the hopper to be conveyed to the shaft furnace are entangled with each other to form a lump. Therefore, it is very difficult to divide and convey to a shaft furnace by a bucket or the like. Therefore, at present, the entangled copper chips are loosened by hand, divided into appropriate amounts, thrown into buckets, and transported to a chip supply port of a shaft furnace.

[0004] Such work of loosening and subdividing the chips requires a lot of manpower and time, is inefficient, and it is desired to improve the work.

[0005] Accordingly, an object of the present invention is to provide a method in which metal chips entangled with each other, such as massive copper chips generated when cutting copper mold during copper melting and casting, are required to be manually operated. An object of the present invention is to provide a metal swarf processing apparatus that can be effectively loosened without being divided into a predetermined amount automatically and efficiently conveyed to a predetermined place.

[0006]

The above object is achieved by a metal chip treating apparatus according to the present invention. In summary, the present invention has a chip conveying device provided with a conveying belt that carries and conveys a lump of metal chips, and a chip loosening device disposed above the chip conveying device. The chip loosening device has a fixed loosening mechanism and a movable loosening mechanism, and the fixed loosening mechanism has a loosening means provided with a plurality of pointed piercing portions that are vertically movable; Comprises a moving table movable in the same direction or the opposite direction along the moving direction of the transport belt, and a loosening means provided with a plurality of pointed piercing portions arranged on the moving table and movable vertically. Moving the movable table by moving the movable table by moving the movable pedestal into the metal swarf on the transport belt of the swarf transport device by piercing the fixed severing mechanism and the sharp piercing portion of the loosening means of the movable loosening mechanism. The loosening mechanism of the loosening mechanism By pulling apart the loosening means of the serial fixed loosening mechanism is a metal chip processing apparatus characterized by loosening the bulk of the metal chips.

According to one embodiment of the present invention, the chip loosening device has a gantry, the fixed loosening mechanism includes a vertical guide frame fixed to the gantry, and the loosening means of the fixed loosening mechanism is The movable loosening mechanism is vertically movable along the vertical guide frame by driving means provided on the vertical guide frame, and the movable loosening mechanism includes a vertical guide frame fixed to the movable table. The unraveling means is vertically movable along the vertical guide frame by driving means provided on the vertical guide frame, and the movable table is movably supported by the platform and provided on the platform. The gantry is driven by the driving means.

According to another embodiment of the present invention, the transport belt of the chip transport device is a finned apron feeder.

According to another embodiment of the present invention, the metal swarf is a copper swarf generated when the copper mold is cut during the melting and casting of copper.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a metal chip treating apparatus according to the present invention will be described in more detail with reference to the drawings. In the present embodiment, the metal chip treating apparatus of the present invention loosens copper chips generated when cutting copper mold during copper melting and casting, and
Although it is described as a copper chip processing device for dividing and transporting to a shaft furnace, the present invention is not limited to this, and other metals other than copper, or various metals, may be machined. The present invention can be suitably embodied as an apparatus for processing metal chips generated during processing.

FIG. 1 schematically shows an entire configuration in which a copper chip treating apparatus 1 as an embodiment of a metal chip treating apparatus of the present invention is disposed adjacent to a shaft furnace 100. In this embodiment,
The copper chips that have been loosened and subdivided in the copper chip processing device 1 are:
It is thrown into each bucket 201 of the bucket conveying device 200, and is conveyed to the copper chip inlet 101 of the shaft furnace 100.

In this embodiment, the copper chip treating apparatus 1 has a chip conveying device 2 as shown in FIGS. The chip conveying device 2 includes a base 3 having a frame structure, and a base 3
And an endless transport belt 6 wound between a driving drum 4 and a support drum 5 rotatably provided at both ends. The drive drum 4 is connected to a drive motor (not shown) and is driven to rotate at a predetermined rotation speed. As the conveyor belt 6, an apron feeder-type belt with fins is preferably used. The transport speed of the transport belt 6 is not limited, but is usually about 5000 mm / min.

A hopper 8 is disposed at one end of the chip conveying device 2, that is, on the upper left side in FIG. 2, and the copper chips generated and collected in the melt casting process are collected. A chip loosening device 10 is disposed above the other end of the chip conveying device 2, above the right side in FIG. 2.

The chip loosening apparatus 10 has a gantry 11 as a frame structure, and the gantry 11 is provided with a fixed loosening mechanism 20 and a movable loosening mechanism 30.

As can be better understood with reference to FIGS. 4 to 6 as well, the fixed loosening mechanism 20 projects vertically from the gantry 11 at a predetermined interval in parallel with the gantry 11 so as to be fixed to the gantry 11. It has a guide frame 21. The upper end of the vertical guide frame 21 is connected by a transverse frame 22, to which a driving means 23 such as a hydraulic cylinder is attached via a trunnion bracket 23a. The piston rod 24 of the hydraulic cylinder 23 extends downward, and a loosening means 40 is fixed to the tip thereof.

In the present embodiment, the loosening means 40 has a support portion 41 made of die steel at the upper end.
It is fixed to the tip of the piston rod 24. On the other hand, the portion extending downward from the support portion 41 has
In the present embodiment, a rake-shaped piercing portion 42 having five sharp ends is used.
It is said. In the present embodiment, these piercing portions 42 are steel plates 43.
And an upper end portion 44 bent in an L-shape is fixed to the support portion 41. Further, for reinforcement, a triangular reinforcing plate 45 is integrally joined to each of the piercing portions 42 in an orthogonal manner. Of course, the unraveling means 40 is not limited to the above-described configuration, and can be formed by integrally attaching a plurality of rod members having a pointed end to the support portion 41, and various other configurations are possible. .

At both ends of the support portion 41 of the loosening means 40, guide rods 46 are provided extending upward. The guide rod 46 is slidably fitted on a slide bearing 25 provided on the vertical guide frame 21. Therefore, when the hydraulic cylinder 23 is driven, the loosening means 40 is vertically moved by the guide rod 46 being guided by the sliding bearing 25.

The movable loosening mechanism 30 has a movable base 50 movably disposed on the upper surface of the gantry 11, as understood with reference to FIGS. 4, 5 and 7. That is,
The moving table 50 is made of a rectangular frame structure,
Wheels 52 are rotatably provided by bearings 53 on frames 51 on both sides along the moving direction of the conveyor belt 6. The wheels 52 are movable on rails 54 provided on the gantry 11, and can move in the same direction as the direction of movement of the conveyor belt 6 or in the opposite direction along the direction of movement of the conveyor belt 6.

As shown in FIGS. 4 and 5, a vertical guide frame 31 projecting in a vertical direction at a predetermined interval is attached to the movable table 50 via a support table 55. The upper end of the vertical guide frame 31 is
The driving means 33 such as a hydraulic cylinder is attached to the transverse frame 32 via a trunnion bracket 33a. The piston rod 34 of the hydraulic cylinder 33 extends downward, and a loosening means 40 is fixed to the tip thereof. In this embodiment, the loosening means 40 has the same configuration as the loosening means 40 of the fixed loosening mechanism 20 described above. Of course, if necessary, the loosening means of the movable loosening mechanism 30 and the loosening means of the fixed loosening mechanism 20 may have different configurations.

In this embodiment, as shown in FIG. 4, the loosening means 40 provided in the movable loosening mechanism 30 having the same structure as the loosening means 40 of the fixed loosening mechanism 20 is made of die steel at the upper end. The support portion 41 is fixed to the piston rod 34, while the portion extending downward from the support portion 41 has a rake-shaped piercing portion 42, the tip of which is a five-pointed tip in this embodiment. It is said. In this embodiment, the piercing portions 42 are made of a steel plate 43, and an upper end portion 44 bent in an L-shape is fixed to the supporting portion 41.
Further, for reinforcement, a triangular reinforcing plate 45 is integrally joined to each of the piercing portions 42 in an orthogonal manner. Of course, the loosening means 40 is not limited to the above-described configuration, and various configurations are possible, such as a configuration in which a plurality of rod members each having a pointed end are integrally attached to the support.

In the movable loosening mechanism 30 as well, guide rods 46 are provided at both ends of the support portion 41 of the loosening means 40 so as to extend upward as shown in FIG. The guide rod 46 is slidably fitted on the slide bearing 25 provided on the vertical guide frame 31. Therefore, by driving the hydraulic cylinder 33, the loosening means 40
Is vertically movable by being guided by the guide rod 46.

Further, as described above, the moving table 50 is
1 is reciprocally movable on the gantry 11 by a drive means 56 such as a hydraulic cylinder attached to the mount 1 via a trunnion fitting 56a. That is, the tip of the piston rod 57 of the hydraulic cylinder 56 is attached to the support base 55 to which the vertical guide frame 31 is attached.

Next, the operation of the copper chip processing apparatus 1 configured as described above will be described.

1 and 2, when the driving motor of the chip conveying device 2 is energized, the conveying belt 6 carries the massive copper chips supplied from the hopper 8 and moves in the direction of the arrow. To be sent to The copper swarf used in this example had a curl shape of 30 mm or less in diameter, and had a bulk specific gravity of 0.1 mm.
It was 7. Further, the width of the transport belt 6 is 800 mm, and the transport speed of the transport belt 6 is 500 mm as described above.
It was 0 mm / min.

In the initial operation position of the chip loosening apparatus 10, as shown in FIG. 4, the movable table 50 is located on the left side in FIG. 4, and the fixed loosening mechanism 20 and the movable loosening mechanism 30 , Each of the loosening means 40 is held at a position where it is pulled upward. The conveyor belt 6 is 500 m
m forward and stop for chip loosening operation.

When the chip loosening operation is performed, first, as shown by the two-dot chain line in FIG. 4, the hydraulic cylinders 23 and 33 of the fixed loosening mechanism 20 and the movable loosening mechanism 30 are operated, and the respective loosening means are operated. 40 is moved vertically downward. As a result, the piercing portion 42 of the loosening means 40 rushes into a massive chip on the stopped conveying belt 6.

Next, the hydraulic cylinder 33 of the movable loosening mechanism 30 is operated, and the movable table 50 is moved to the right side in FIG. 4 by a predetermined stroke, for example, about 800 mm, as shown by a two-dot chain line. . At this time, the tip piercing portions 42 of the loosening means 40 of the fixed loosening mechanism 20 and the movable loosening mechanism 30 are kept intruding into the chips on the conveyor belt 6. Therefore, the massive copper chips on the conveyor belt 6
It is forcibly loosened by the loosening means 40 of the fixed loosening mechanism 20 and the movable loosening mechanism 30.

When the loosening operation is completed, the hydraulic cylinders 23 of the fixed loosening mechanism 20 and the movable loosening mechanism 30,
33 is actuated to lift each loosening means 40 upward. Further, the hydraulic cylinder 3 of the movable loosening mechanism 30
3 is operated to return the carriage 50 to the initial position. That is, the fixed loosening mechanism 20 and the movable loosening mechanism 30 are returned to the initial state shown by the solid line in FIG.

Thereafter, the transport belt moves 500 mm and stops. Thereafter, the fixed loosening mechanism and the movable loosening mechanism repeat the above loosening operation a plurality of times, for example, about five times.

In this way, the massive copper chips on the conveyor belt 6 are loosened, and the loosened chips are divided into buckets and the bucket conveyor 2 disposed adjacent to the copper chip processor 1.
00 into each bucket 201, and the shaft furnace 1
It is conveyed to a copper chip feed port 101 of No. 00.

[0031]

As described above, in the metal chip treating apparatus according to the present invention, the metal swarf on the conveying belt of the chip conveying device is fixed to the metal swarf and the movable smashing mechanism is provided with the tip piercing part of the loosening means. By moving the movable table and moving the movable table, the loosening means of the movable loosening mechanism is separated from the loosening means of the fixed loosening mechanism, so that the massive metal chips are loosened. Like copper swarf that is formed when cutting copper,
The metal chips entangled with each other can be effectively unraveled without requiring any manual operation, automatically divided into a predetermined amount, and efficiently transported to a predetermined place.

[Brief description of the drawings]

FIG. 1 is a schematic configuration of one embodiment of a metal chip treating apparatus of the present invention disposed adjacent to a shaft furnace.

FIG. 2 is a front view of an embodiment of a metal chip treating apparatus according to the present invention.

FIG. 3 is a plan view of one embodiment of a metal chip treating apparatus according to the present invention.

FIG. 4 is a front view similar to FIG. 2 of an embodiment of the metal chip treating apparatus of the present invention.

FIG. 5 is a plan view similar to FIG. 3 of an embodiment of the metal chip treating apparatus of the present invention.

FIG. 6 is a side view showing an embodiment of the loosening means of the present invention.

FIG. 7 is a cross-sectional view taken along line VII-VII of FIG. 5 showing a wheel structure according to one embodiment of the moving base.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 metal chip processing device 2 chip chip conveying device 6 conveyance belt 8 hopper 10 chip chip loosening device 11 gantry 20 fixed loosening mechanism 21 vertical guide frame 23 hydraulic cylinder (drive means) 24 piston rod 30 movable loosening mechanism 31 vertical guide frame 33 Hydraulic cylinder (drive means) 34 Piston rod 40 Loosening means 42 Piercing part 50 Moving table 56 Hydraulic cylinder (drive means) 57 Piston rod

Claims (4)

[Claims] 1. A chip conveying device provided with a conveying belt for carrying and conveying an agglomerated metal chip, and a chip loosening device disposed above the chip conveying device; The powder loosening device has a fixed loosening mechanism and a movable loosening mechanism, and the fixed loosening mechanism has a loosening means having a plurality of pointed piercing portions that are vertically movable. A moving table that is movable in the same direction or in the opposite direction along the moving direction of the transport belt, and a loosening means provided with a plurality of pointed piercing portions that are arranged on the moving table and that are movable vertically. The fixed loosening mechanism and the sharp piercing portion of the loosening means of the movable loosening mechanism penetrate into the metal chips on the transport belt of the chip transporting device, and the movable loosening mechanism is moved by moving the movable table. Release the loosening means By pulling apart from loosening means loosening mechanism, metal swarf processing apparatus characterized by loosening the bulk of the metal chips. 2. The chip loosening device has a base, the fixed loosening mechanism includes a vertical guide frame fixed to the base, and the loosening means of the fixed loosening mechanism includes:
The movable loosening mechanism includes a vertical guide frame fixed to the movable table, and is vertically movable along the vertical guide frame by driving means provided on the vertical guide frame. The unraveling means is vertically movable along the vertical guide frame by drive means provided on the vertical guide frame, and the movable table is movably supported by the platform and provided on the platform. The metal swarf processing apparatus according to claim 1, wherein the gantry is driven by a driving unit. 3. The metal chip processing device according to claim 1, wherein the conveyor belt of the chip conveyor is a finned apron feeder. 4. The metal chip treating apparatus according to claim 1, wherein the metal chip is a copper chip generated when cutting copper mold at the time of melting and casting copper.