JP4753386B2 - Filtration device - Google Patents

Description

  In the present invention, an inlet for introducing cutting oil (hereinafter referred to as used cutting oil) mixed with various types of metal cutting scraps called metal chips discharged from a factory for cutting metal is arranged on the ceiling, One side is extended to be a rising inclined plate, and the tip of the cutting tank is separated from the used cutting oil into a chip discharge part, and between the other of the bottom plate and the chip discharge part, The scraps mixed in the used cutting oil, scraped and deposited on the bottom plate, are scraped off, and an endless scraper conveyor as a device for transporting the chips to the chip discharge unit is pivotably suspended. In the filtration tank of the filtration device in which the filtration equipment is disposed, and the filtration equipment for separating the chips from the used cutting oil and flowing the used cutting oil as the filtered cutting oil is disposed, It is a device to be provided side by side, and the above-described use put into the above-described filtration tank Remove the chips relatively small own weight out of the cutting oil are mixed in gently floated, an invention relates to a device for flowing the spent cutting oil as the filtered cutting oil filtered.

  A large amount of used cutting oil is discharged from factories that cut metal. This apparatus for filtering used cutting oil is disclosed in Japanese Patent Publication No. 204427, Japanese Patent Publication No. 44564, Japanese Patent Publication No. 294142, and Japanese Utility Model Publication No. 13769. There are several types. The outline of the apparatus disclosed in the above publication is that the structure of the filtration tank has a used cutting oil inlet on the ceiling plate, the bottom plate is a rising inclined plate with one end extended, and the tip is the used cutting oil. It is configured as a chip discharge part that discharges the chips separated from the inside of the filtration tank, and the chips mixed with the used cutting oil charged and deposited on the bottom plate are scraped and collected inside the filtration tank. As an equipment for transporting the swarf to the chip discharging part, an endless scrubber conveyor is rotatably suspended between the rear end side of the bottom plate and the chip discharging part side, and the use is put into the filtration tank. The cutting chips mixed in the finished cutting oil are separated in a filtration tank, and the equipment that flows out of the filtering tank as the filtered cutting oil is used as the used cutting oil from which the chips have been separated.

However, in the filtration tank of the above-described type of filtration apparatus, the relatively small and light weight chips mixed in the used cutting oil charged in the filtration tank are deposited at the bottom of the filtration tank. In addition, the above-mentioned used cutting oil charged into the filtration tank is constantly stirred by the used cutting oil sequentially added and an endless scrubber conveyor that rotates in the filtration tank. It is in the state. Therefore, the relatively small, light weight chips mixed in the used cutting oil put into the filtration tank are unlikely to settle on the bottom plate of the filter tank, and the used cutting machine put into the filter tank indefinitely. It was mixed with oil and floating, and it was difficult to remove.

  As an apparatus for solving the inconvenience described above, an invention disclosed in Japanese Patent Application Laid-Open No. 2005-66820 has been developed. In the invention disclosed in the above-mentioned publication, the rotary magnet drum is placed at a desired interval on the lower half circumferential surface of the rotary magnet drum in parallel with the rotation direction of the scrubber conveyor that is rotatably suspended in the filtration tank. Use that is housed in a bowl-shaped rotary magnet drum container that consists of a curved plate that can be opened and rotated, and is placed in a filtration tank from one upper edge of the curved plate constituting the container. In the used cutting oil, used cutting oil mixed with light chips of relatively small weight is introduced into the container, and the used cutting oil is placed on the lower half circumferential surface of the rotating magnet drum rotating in the container. The chips mixed in are adsorbed, and the used cutting oil is filtered cutting oil from which the chips are removed in the container, and this filtered cutting oil is used as the other of the curved plates constituting the container. Clean provided from the upper edge adjacent to the side plate of the filtration tank The chips overflowing into the clean tank and adsorbed on the lower semicircular surface of the rotating rotating magnet drum are scraped off on the upper semicircular surface of the rotating rotating magnet drum. It is an invention of scraping with a plate and collecting it in a chip collection box.

Therefore, the invention disclosed in the above publication has the disadvantage that the clean tank containing the filtered cutting oil must be configured as a large tank adjacent to the side wall of the filtration tank, and the circumferential surface of the rotating magnet drum. A disadvantage arises in that a special collection box must be facilitated for collecting the adsorbed chips.
Japanese Patent Publication No. 204427 Japanese Patent Publication No. 44564 Japanese Patent Laid-Open No. 294142 JP 2005-66820 A No. 13769, No. 7

  The present invention pays attention to the disadvantages of the invention disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 2005-66820, and is a relatively small, light-weight chip that is floating in the used cutting oil introduced into the filtration tank. Is efficiently removed from the above-described used cutting oil, and it is easy to collect the chips, and provides a filter device that makes it easy to collect the filtered cutting oil from which the chips have been removed.

The present invention forms a used cutting oil inlet in the ceiling at the rear position of the bottom plate, extends one of the bottom plates to form a rising inclined plate, and forms the tip as a chip discharge portion, at least on the inner side behind the bottom plate In the filtration tank of the filtration device in which an endless scraper conveyor that moves the chips to the chip discharge unit while rotating and scraping the chips deposited on the bottom plate between the chip discharge unit from
A rotating magnet drum that rotates in response to transmission of power from a power source,
One upper edge is used as a used cutting oil intake side, and the other upper edge is used as a filtered cutting oil outflow side whose height is lower than that of the used cutting oil intake side. The lower semicircular surface is accommodated so as to be rotatable in a curved bowl-shaped cutting oil introduction rod provided with a filtered cutting oil outlet along the
The cutting oil introduction rod containing the lower semicircular surface of the rotating magnet drum is formed with a used cutting oil inflow edge on the upper edge of the front plate that is notched lower than the upper edges of the rear plate and both side plates. The filtered cutting is arranged along the desired portion of the cutting oil introduction rod and the filtered cutting oil outflow side of the cutting oil introduction rod in a casing having a long front plate and rear plate. Along with the oil outlet, the cutting oil inlet side of the cutting oil introduction rod is accommodated in connection with the used cutting oil inflow edge formed on the front plate of the casing, and the cutting accommodated in the casing A cutting plate in which the upper edge of the rotating magnet drum accommodated in the oil introduction rod is in contact with the front edge in the length direction of the rotating magnet drum and the rear edge is inclined downward toward the rear plate of the housing. Fix the filter device consisting of a dust scraping plate between the supports,
A cutting oil introduction rod containing a rotary magnet drum as a constituent material of the filtration equipment spans the rotation direction of an endless scraper conveyor disposed in the filtration tank, and the casing The cutting oil inflow edge formed in the front side plate is positioned below the liquid level of the used cutting oil charged into the filtration tank,
It was set as the structure provided with the filtration tool which capture | acquires and isolate | separates from the used cutting oil the small cutting weight of small weight which mixes with the used cutting oil thrown into the filtration tank, and floats near the liquid level.

The filter device according to the present invention is formed on the upper edge of the front plate of the housing of the filter device according to the present invention below the level of the used cutting oil introduced into the filter tank of the above-described type of filtration device. By using the cutting fluid inflow edge, the used cutting oil mixed with light cuttings of relatively small weight as the upper liquid in the used cutting oil charged into the filtration tank. The cutting oil introduction rod in which the rotating magnet drum is rotatably accommodated through the cutting oil inlet side of the cutting oil introduction rod connected to the used cutting oil inflow edge of the housing of the filter device according to the present invention. The circumference of the rotating magnet drum in which lighter chips of relatively small weight mixed in the used cutting oil introduced into the cutting oil introduction rod are rotated in the cutting oil introduction vessel. The used cutting oil is adsorbed on the surface and flows into the housing as filtered cutting oil. The filtered cutting oil efficiently flows out of the housing from the filtered cutting oil outlet of the housing, and is adsorbed to the circumferential surface of the rotating magnet drum from the upper half circumferential surface where the rotating magnet drum rotates. The chip can be efficiently recovered by an endless scraper conveyor that removes the cut chips, returns the chips to the filtration tank 1, and rotates in the filtration tank 1.

FIG. 1 shows an example of a filtering device in which a filtering device according to the present invention is disposed. That is, the filtration apparatus in which the filter device according to the present invention illustrated in FIG. 1 is installed has a configuration of the filtration tank 1 and a used cutting oil inlet 3 on the ceiling plate 2 . The bottom plate 4 is a rising inclined plate 5 with one end extended, and the tip is configured as a chip discharge unit 6 for discharging chips separated from the used cutting oil supplied from the input port . Inside the filtration tank 1, sprockets 7 and 8 are arranged on the other side of the bottom plate 4 and the chip discharge part 6 side . An endless scrubber conveyor 9 is rotatably suspended across the sprockets 7 and 8 . Further, a device 10 is provided that separates the chips mixed in the used cutting oil charged into the filtration tank 1 and flows the cutting oil separated from the chips out of the filtration tank as the filtered cutting oil. It is supposed to be configured.

  In order to remove chips from the above-mentioned used cutting oil introduced into the filtration tank 1 of the filter device of the above-described configuration type, the chips mixed in the above-mentioned used cutting oil are removed from the filtration tank 1 by its own weight. The sediment is deposited on the bottom plate 4 and scraped by the endless scraper conveyor 9 that is pivotably suspended in the filtration tank 1, and passes through the rising inclined plate 5 extending one of the bottom plates 4 to discharge the chips. The used cutting oil discharged to the outside of the filtration tank 1 from the chip discharge section 6 is conveyed to the section 6, and the spent cutting oil introduced into the filtration tank 1 is contained in the filtration tank 1. The equipment 10 for separating the chips and the cutting oil separates the chips and flows out from the filtration tank as filtered cutting oil to the outside.

  The filtration apparatus in which the filter device according to the present invention is arranged includes not only the structure shown in FIG. 1 but also the type of filtration apparatus described in Japanese Examined Patent Publication No. 44564 exemplified in the background art section. Of course.

The filter device according to the present invention is a relatively small and light weight cutting powder mixed in the above-described used cutting oil introduced into the filtration tank 1 of the above-described type of filtration device. of the bottom plate cuttings in a floating state near the oil surface of the spent cutting oil rather difficulty precipitated deposit capture, is separated into a filtered cutting oil to remove the chips from the spent cutting oil Equipment.

FIG. 2 shows an example of the position when the filter device according to the present invention is disposed in the filtration tank 1 of the filtration apparatus illustrated in FIG. FIG. 2 illustrates the case where the filter device according to the present invention is disposed at a position biased toward the chip discharge part 6 of the filtration tank 1. In order to dispose the filtering device according to the present invention at that position, the rotation direction of the endless scraper conveyor 9 disposed in the filtration tank 1 is orthogonal to the rotation direction of the endless scraper conveyor 9. A supporting body 11 (in the illustrated embodiment illustrated in FIG. 3, the supporting body is illustrated as a supporting body) is provided opposite to and disposed at a position across the board.

The configuration of the filter device according to the present invention is configured as shown in FIG. That is, the filter device according to the present invention forms a cutting oil inflow edge in which the casing 20 is cut out lower than the upper edge of the rear plate on the upper edge of the front plate,
A filtered cutting oil outlet 21 through which the filtered cutting oil flows out is formed at a desired portion of the bottom plate, the left and right side plates, or the rear side plate. In the housing 20,
A curved scissor-type cutting oil introduction rod 14 that rotatably accommodates a rotating magnet drum 13 that rotates in response to power transmission from the power source 12 is disposed. The curved bowl-shaped cutting oil introduction rod 14 is below the lower half circumferential surface of the rotating magnet drum 13 so that the lower half circumferential surface of the rotating magnet drum 13 can be rotated while maintaining a desired interval. Filtration in which the front edge is a used cutting oil intake side that can be connected to the used cutting oil inflow edge of the housing 20 and the rear side is lower in height than the used cutting oil intake side of the front side A curved plate formed as a finished cutting oil outflow side is arranged.
Structure type of placing rotatably accommodating the curved trough cutting oil introduction trough 14 the rotary magnet drum 13 in the box body 20, the-edges preparative cutting oil of the trough 14, the cutting of the box body 20 Contains in connection with the oil inflow edge.
On the upper semicircular surface of the rotating magnet drum 13 rotatably accommodated in the cutting oil introducing rod 14, the rotating magnet drum is disposed on the upper semicircular surface of the rotating magnet drum 13 in the length direction of the rotating magnet drum 13. A chip separation plate 19 having a leading edge 17 that is in reverse contact with the rotational direction 13 is disposed with a trailing edge 18 inclined downward. In this configuration, light chips of relatively small weight in the used cutting oil adsorbed on the circumferential surface of the rotating magnet drum 13 rotating in the cutting oil introduction rod 14 are separated by the chip separating plate 19. and, returning the sections powder in the filtration tank 1, flows out of said use already cutting oil from the filtered cutting fluid outflow side of the cutting oil introduction trough 14 as filtered cutting oil to the box body 20, which box body 20 It was comprised as an apparatus taken out out of the housing 20 from the filtered cutting oil outlet 21.

In order to arrange the filter device according to the present invention in the filter tank 1, the support 12 is provided on both side plates of the filter tank 1, and the filter tool according to the present invention is disposed between the support 12 described above. Install as shown in FIG.

  The rotating magnet drum 13 constituting the filter device according to the present invention is a rotating drum made of a non-magnetic material such as stainless steel, and the rotating magnet drum 13 is illustrated on the inside thereof as shown in FIGS. It is configured to rotate around a magnet concentrating material in which a plurality of magnets are arranged and fixed in a C shape by receiving a driving force transmitted from a driving source such as a motor.

As shown in FIGS. 2 and 4, the filter device according to the present invention was put into the filtration tank 1 at a position biased toward the rising inclined plate 5 side of the filtration tank 1 of the above-described type of filtration device. the box body 20 that houses filtration Kigu cutting oil introduction trough 14 according to the present invention under the liquid level of the used cutting oil, thereby sinking the used cutting oil flow Nyuen formed front side plate of the該凾20 by placing Te, box body 20 from the filtration tank filtration Kigu the box body 20 spent cutting oil flow Nyuen 25 on the product oil under the liquid surface of the thrown-in spent cutting oil according to the present invention in 1 of the spent cutting oil inflow edge, spent cutting oil intake of the trough to the cutting oil introduction trough 14 housed box body 20 the used cutting oil collected-edges and continuously provided in the cutting oil introduction trough 14 It flows into the cutting oil introduction rod 14 through the side. Its inflow state, passes through the lower half peripheral surface of the rotating magnet drum 13 which is rotatably accommodated in the trough, the curved plates is a configuration material of the trough 14, box body 20 from the outflow side of the trough 14 As shown in FIG. 4, it flows in the direction indicated by the arrow.

Chips mixed in said spent cutting oil that has flowed into the cutting oil introduction trough 14, cutting oil introduced by the magnetic force generated from the magnet gathering material of the rotating magnet drum 13 rotatably accommodated in the cutting oil introducing trough 14 It is attracted to the lower half circumferential surface of the rotating magnet drum 13 arranged to rotate in the cage 14.

By increasing or decreasing the interval between the lower half circumferential surface of the rotating magnet drum 13 and the curved surface of the cutting oil introduction rod 14, the flow rate and flow rate of the used cutting oil flowing through the interval are adjusted. be able to. Moreover, the strength of the magnetic force with respect to the rotating magnet drum 13 rotating around the magnet concentrating material can be adjusted. As a result, the amount of chips adsorbed on the rotating magnet drum 13 can be adjusted.

The rotating magnet drum 13 rotates by receiving a driving force from a motor or the like as a driving source. Cutting oil circumferential surface of the rotary magnet drum 13 which rotates in the introduction trough 14, cutting oil introduced trough 14 cutting oil that has flowed into the cutting oil introduction trough 14 below half surface of the rotating magnet drum 13 in the process of passing through the The lower semicircular surface that adsorbs the chips mixed in and adsorbs the chips becomes the upper semicircular surface of the rotating magnet drum 13 in a state where the chips are adsorbed.

Passing between the curved plate and the rotary magnet drum is formed material of the gutter 14 flows into the cutting oil introduced trough 14 by the rotary magnet drum 13 in the cutting oil introduction trough 14 continuously repeats the rotation and the The used cutting oil becomes a filtering agent cutting oil from which the cutting chips are adsorbed on the circumferential surface of the rotary magnet drum 13 from the used cutting oil, and the cutting chips are removed.
The filtered cutting oil flows out from the filtered cutting fluid outflow sides used to lower than the height already cutting oil collected-edges of the cutting oil introduction trough 14 into the box body 20.

  The upper half circumferential surface of the rotating magnet drum 13 has a chip scraping plate 19 having a width equal to the length of the rotating magnet drum on the circumferential surface, and a leading edge 17 of the chip scraping plate 19 on the upper half of the rotating magnet drum 13. Chips are scraped off from the upper semicircular surface of the rotating magnetic drum 13 that rotates by placing the trailing edge 18 in a state of pressing against the circumferential surface and descending in a direction opposite to the rotating direction of the rotating magnetic drum 13. Then, it is scraped off in the inclination direction of the chip scraping plate 19.

  When the descending inclination direction of the trailing edge 18 of the chip scraping side of the chip scraping plate 19 is set to the rising inclined plate 5 direction of the filtration tank 1 as shown in FIGS. 2 and 4 as an example. The chips scraped off by the chip scraping plate 19 are scraped off to the endless scrubber conveyor 13 side that rotates toward the chip discharge portion 6 along the rising inclined plate 5.

By disposing the magnet 22 as shown in FIGS. 2 and 4 on the inner side or the outer side of the desired portion on the side where the bottom plate of the filtration tank 1 is the rising inclined plate 5, the chip scraping is performed. The chips dropped from the plate 19 fall in an atmosphere that is adsorbed to the endless scraper conveyor 9 that rotates in the filtration tank 1 in the above-described state, and the used waste that has been put into the filtration tank 1 is used. It is prevented from being dispersed in the cutting oil, and is efficiently dropped onto the chips carried by the endless scraper conveyor 13.

The scraps scraped off are carried in the direction of the chip discharge unit 6 by being mixed with the chips scraped and conveyed by the endless scraper conveyor 13 that rotates in the above-described state.

As another example, when the inclination direction of the chip scraping plate 19 is opposite to the direction shown in FIGS. 2 and 4 as shown in FIGS. When the chips adsorbed on the circumferential surface are scraped off by the chip scraping plate 19, the chips are returned to the filtration tank 1.

The cutting oil adsorbed by the rotating magnet drum rotating in the cutting oil introduction rod 14 and filtered and flows into the casing 20 is a cutting oil outlet 21 provided in the casing 20 as filtered cutting oil. Spilled from.

When the chip scraping plate 19 is arranged as shown in FIGS. 5 and 7 toward the side opposite to the above-described FIGS. By disposing the partition plate 23 in the direction in the filtration tank 1 to which the dust scraping plate 19 is directed, the filtration tank is not dispersed in the filtration tank 1 without the chips falling from the chip scraping plate 19 being dispersed. The bottom plate of 1 can fall to the endless scraper conveyor side which rotates toward the chip discharge part 6 side.
Even in this case, the same effect as described above can be expected by arranging the magnet 24 as shown in FIGS. 5 and 7 at the place where the partition plate 23 is provided.

It is sectional drawing of the type of filtration apparatus which arrange | positions the filter tool which concerns on this invention. It is sectional drawing of the state which has arrange | positioned the filter tool which concerns on this invention to the standing | starting-up inclination board side of the type of filtration apparatus shown in FIG. It is a perspective view which shows a structure and function when the filter device which concerns on this invention is arrange | positioned at the stand-up inclination board side of a filtration tank. FIG. 3 is an explanatory cross-sectional view of the configuration and function of the filter device according to the present invention at the location where the filter device according to the present invention is disposed in the state shown in FIG. 2. FIG. 2 is a cross-sectional view of the filter device according to the present invention in a state in which a chip scraping plate is disposed in a direction opposite to a rising inclined plate of the filter device in the filter device of the type illustrated in FIG. 1. It is a perspective view which shows a structure when the filter tool which concerns on this invention is arrange | positioned in the state shown in FIG. 5, and a function. FIG. 6 is an explanatory cross-sectional view of the configuration and function of the filter device according to the present invention at the arrangement location when the filter device according to the present invention is disposed in the state shown in FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Filtration tank 2 Ceiling plate 3 Input port 4 Bottom plate 5 Standing up 6 Chip discharge part 7 Sprocket 8 Sprocket 9 Endless screber conveyor 10 Equipment 11 Support body 13 Rotating magnet drum 14 Cutting oil introduction rod 17 Front edge 18 Rear edge 19 Chip Scraping plate 20 Housing 21 Cutting oil outlet 22 Magnet 23 Partition plate 24 Magnet

Claims (1)

A used cutting oil inlet is formed in the ceiling behind the bottom plate, one of the bottom plates is extended to form a rising slope plate, and its tip is formed as a chip discharge part, at least inside, chip discharge from the back of the bottom plate In the filtration tank of the filtration device in which an endless scraper conveyor that moves the chips to the chip discharge section while scraping and collecting the chips deposited on the bottom plate between the sections is pivoted, the power from the power source The rotating magnet drum that rotates upon receiving the filtered cutting oil outflow side with one upper edge as the used cutting oil intake side and the other upper edge lower than the used cutting oil intake side The lower semicircular surface is accommodated so as to be rotatable in a curved bowl-shaped cutting oil introduction rod provided with a filtered cutting oil outlet along the filtered cutting oil outflow side, and the rotating magnet The cutting oil introduction rod containing the lower half circumferential surface of the drum , Before the upper edge of the side plate, rear plate, to form a spent cutting oil inflow edge on cutaway lower the height of the edge of the side plates, the box-body which the rear side plate and its front side plate and elongated, the A used cutting oil inlet side of the cutting oil introduction rod is provided with a cutting oil introduction rod and a filtered cutting oil outlet arranged along a desired portion on the side of the filtered cutting oil outflow side of the cutting oil introduction rod. , housed in articulated with spent cutting oil inflow edge formed on the front plate of the box-body, said semi-circumferential faces of the said box-body accommodating the said cutting oil introduced trough the stowed the rotary magnet drum the length of the rotary magnet drum against a leading edge, a trailing edge filtered Kigu consisting of chips scraping plate arranged with inclined downward toward the rear side plate of a box body, and fixed between the support, A cutting oil introduction rod containing a rotary magnet drum as a constituent material of the filtering equipment is disposed in the filtering tank. And the straddle perpendicular rotational direction of the endless scraper bar conveyor, and, is located at the liquid surface of a spent cutting oil cutting oil inflow edge which is formed in the front side plate is put into the filter tank on the box-body It is equipped with a filter device that captures and separates small, light weight chips that are mixed with the used cutting oil introduced into the filtration tank and float near the liquid surface from the used cutting oil. Filtration device.

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