JPH078002Y2 - Filtration tank - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention is directed to the discharge cutting oil containing cutting chips discharged from a machine tool that performs metal cutting while supplying cutting oil. The present invention relates to a filtration tank of a type in which oil and chips are separated.

(Prior Art) The general structure of a conventional filtration tank of the above type is that a filtration mechanism is arranged in the tank and one side of the tank is filled with discharged cutting oil containing chips discharged during metal cutting. Discharge cutting that is input from the discharge cutting oil supply port by arranging the input port for discharging, and extending the bottom plate on the other side, and arranging the rising plate whose tip serves as a chip discharging part facing the outside of the filtration tank. Separate the oil and chips in the filter tank,
The separated chips are settled on the bottom plate of the filtration tank, and the chips settled on the bottom plate are discharged from the discharge cutting oil input port to the chip discharge part at the tip of the rising plate provided on the side facing the discharge oil input port. Rotate a conveyor equipped with a scraper that collects scraps and conveys them as a lump of chips through a rotating mechanism that has sprockets on the side of the discharged cutting oil input and on the side of the cutting chips at the tip of the rising plate. The configuration is such that

The above-mentioned type of filter tank separates oil and chips in the discharged cutting oil introduced from the discharged cutting oil input port by the filtering mechanism arranged in the filter tank, and the filtered oil is pumped out from the filter tank, Alternatively, it is made to overflow from the filtration tank to be collected or circulated. The chips separated from the oil and settled on the bottom plate of the filtration tank are conveyed by a conveyor equipped with a scraper that rotates through a rotating mechanism, and the cutting oil discharged from the bottom plate on the inlet side of the discharge tank of the filtration tank is discharged. Scrape up to the chip spouting part at the tip of the rising plate provided on the side opposite to the charging port, and push out as a lump of chips from the chip spouting part at the tip of the rising plate to the outside of the filtration tank. Fulfill the function of

However, in the above-mentioned type of filtration tank, the cutting chips that are thrown as a lump from the tip of the rising plate that is an extension of the bottom plate of the filtration tank are in a state where a large amount of oil is contained in the lump of cutting chips. You will be thrown away. Therefore, not only is the efficiency of oil recovery reduced, which is uneconomical, but there are various disadvantages associated with sledging.

(Problems to be Solved by the Invention) In view of the above-described inconveniences in the conventional filtration tank, the present invention provides a sufficient amount of cutting oil separated from the oil and thrown from the filtration tank with sufficient oil. An object of the present invention is to provide a filtration tank which is thrown as a broken piece and is capable of efficiently collecting oil.

(Means for Solving the Problem) The filtration mechanism 2 is arranged in the tank 1, the discharge cutting oil input port 3 is provided in one of the tanks 1, and the tip is outside the tank 1 on the side facing the discharge cutting oil input port 3. Is provided with a sloped rising plate 5 continuous from the bottom plate 4, and a scraper 6 is attached via a rotation mechanism composed of the discharged cutting oil input port 3 and sprockets 8A and 8B respectively arranged on the tip side of the sloped rising plate 5. In the filtration tank of the type in which the conveyor 7 is slidably rotated from the bottom plate on the side of the discharged cutting oil input port 3 to the tip of the inclined rising plate 5, the conveyor 7 is inclined slightly upward toward the outside of the tank 1, and the protrusion length is the above-mentioned. An oil cutting rack 9 for cutting chips having a length capable of mounting a plurality of chips 10 successively sent by the scraper 6 is arranged on the leading edge of the rising plate 5 and the tip of the oil cutting rack 9 for cutting chips is arranged. Was used as a chip throwing unit.

(Embodiment) In a filtration tank for carrying out the present invention, a filtration mechanism 2 such as a filtration drum which is rotated by receiving a driving force from a drive source A is arranged in the tank 1, and the discharged cutting oil is put into one side of the tank 1. The riser plate 5 is provided as a riser plate 5 extending from the bottom plate 4 of the tank 1 toward the outside of the tank 1 on the side where the mouth 3 is arranged and the side facing the discharged cutting oil input port 3. At the tip of the rising plate, an oil cutting rack 9 for chips, which will be described later, is provided. Further, the tank 1 has at least one driven sprocket 8 which is driven on the side on which the discharged cutting oil input port 3 is arranged and on the side of the oil cutting rack 9 for chips, which will be described later, provided on the tip of the rising plate 5 and the other is passive.
With the turning mechanism with A and 8B arranged, the discharge cutting oil inlet 3
The scraper 6 is passed from the bottom plate 4 on the side where the oil is placed to the tip direction of the rising plate 5 of the bottom plate provided on the side facing the discharged cutting oil inlet 3 and passes under the filtration mechanism 2 arranged in the tank 1.
The mechanism is such that the conveyor 7, which is an endless rotation belt in which the conveyors are arranged at equal intervals, is rotated. The discharged cutting oil introduced into the tank 1 from the discharged cutting oil inlet 3 is separated into oil and chips by the filtration mechanism 2 arranged in the tank 1.

The discharged cutting oil introduced into the tank 1 through the cutting oil introduction port 3 is
The oil is separated into the filtered oil and the chips by the filtration mechanism 2 arranged in the tank 1, and the filtered oil is collected by overflowing or pumping out from the tank 1. Circulated.

The filtered oil and the separated cuttings settle on the bottom plate 4 of the tank 1. The chips that have settled on the bottom plate 4 are scraped up from the discharged cutting oil input port 3 side to the rising oil plate 3 provided on the side opposite to the discharged cutting oil input port 3 up to the direction of the oil scraping shelves 9 of the chips. Are scraped up by a conveyor 7 which is an endless rotation band in which the above are arranged and conveyed as a block of chips.

As described in the section of the prior art, the present invention has a special device to dispose the oil removing rack 9 for cutting chips at the tip of the rising plate in order to eliminate the drawbacks of the conventional filtration tank. That is,
The tip of the rising plate 5 is a projecting plate having a gentle upward inclination angle toward the outside of the tank 1, and the length of the projecting plate 5 allows a plurality of chips to be placed successively transferred by a scraper of a conveyor. It is configured as a cutting oil degreasing rack 9 having a length and a tip of the projecting plate serving as a cutting dust discharging portion.

Next, the function of the present invention will be described, which is obtained by providing the rising plate 5 of the bottom plate 4 with the chip oil-draining rack 9 having the above-described structure at the tip thereof.

The precipitated cutting chips are provided on the side of the discharged cutting oil input port 3 and on the side opposite to this, the bottom plate 4 of the tank 1 is arranged on the rising plate 5 side facing the outside of the tank 1, and the oil cutting rack 9 for cutting chips is arranged. The scraper 6 attached at equal intervals to the conveyor 7 which is an endless rotation belt that rotates through the sprocket 8A and 8B which is a rotation mechanism in the direction, and collects this as a lump of cutting chips from the bottom plate 4 and rises the plate 5. The scraps arranged in the above are scraped up in the direction of the oil removing rack 9 and transferred.
This structure is the same as the conventional one.

According to the present invention, the tip of the rising plate 5 is not immediately used as a chip-spraying part, but the tip of the rising plate 5 is bent toward the outside of the tank 1 and slightly bent upward to extend the oil cutting device. Since the shelf 9 is attached, the chips deposited on the bottom plate 4 are scraped up to the leading end side of the rising plate 5 by scrapers 6 attached at equal intervals to the conveyor 7 which is an endless rotation band,
This is transferred as a block of chips. The lumps of chips collected by scraping and transferred as described above are sequentially placed on the oil removing rack 9 of the chips. Then, the lumps of chips 10 placed on the oil shaving rack 9 for chips are sequentially transferred later, and the lumps 10 of chips placed on the oil shaving rack 9 for chips are fed in sequence to the oil shaving rack for chips. A chip receiving box that is extruded toward the outside of the container 9 and is sequentially arranged from the tip of the oil cutting rack 9 for chips to the outside of the tank 1.
Will be thrown into 11.

That is, the lumps 10 of chips placed on the oil cutting rack 9 for chips are not immediately thrown from the tip of the rising plate 5 into the chip receiving box 10, but on the oil cutting rack 9 for chips. The oil contained in the lump 10 of cutting chips further oozes out from the lump 10 of cutting chips on the cutting oil cutting rack 9 from the time it is placed until it is released. The oil that oozes out from the lump 10 of cutting chips on the cutting oil cutting rack 9 rises from the cutting oil cutting rack 9 and flows back on the surface to be returned to the tank 1.

Shelf 9 for cutting chips to be attached to the tip of the rising plate 5 described above
May be formed by bending the riser plate 5 slightly in front of the leading end into the above-mentioned shape, or separately attach an oil cutting rack 9 of chips produced in the above-mentioned shape to the leading end of the rising plate by an appropriate means. Of course. Syringe oil cutting rack 9
Needless to say, the shape that enables efficient oil removal, the size thereof, the angle of extension to the outside, and the like can be appropriately designed and determined.

(Effect) As described above, by providing an oil cutting shelf for cutting chips at the cutting chip transfer end of the filtering tank for filtering the discharged cutting oil, the oil is more effectively separated and collected from the lumps of cutting chips. be able to.

[Brief description of drawings]

The figure is a schematic sectional view of the present invention. 1 ... Filtration tank, 2 ... Filtration mechanism, 3 ... Discharged cutting oil inlet port, 4 ... Filtration tank bottom plate, 5 ... Standing plate, 6 ... Scraper, 7 ... Conveyor, 8A, 8B ... sprocket,
9 ... Shelf for cutting oil

Claims (1)

[Scope of utility model registration request] 1. A filtration mechanism 2 is arranged in a tank 1, a discharge cutting oil input port 3 is provided in one of the tanks 1, and a tip is directed to the outside of the tank 1 on the side facing the discharge cutting oil input port 3. A bottom plate 4 and an inclined rising plate 5 continuous from the bottom plate 4, and a conveyor 7 with a scraper 6 through a rotating mechanism composed of the discharged cutting oil input port 3 and sprockets 8A and 8B arranged on the tip side of the inclined rising plate 5, respectively. In a filtration tank of a type in which the bottom plate on the side of the discharged cutting oil input port 3 is slidably rotated from the bottom of the inclined rising plate 5 to the outside of the tank 1 with a slight upward inclination, and the protruding length is the scraper 6 The oil cutting rack 9 of chips having a length capable of mounting a plurality of chips 10 successively sent by the above is arranged at the tip of the rising plate 5 and the tip of the oil cutting rack 9 of the chips is cut. A filtration tank characterized by being a powder throwing unit.