JPH0230199Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention collects cooling oil such as coolant liquid discharged from machine tools such as lathes and milling machines, and separates and removes chips contained in the cooling oil. The present invention relates to an improvement of a chip processing device configured to do so.

[Prior art and its problems]

FIG. 4 is a front sectional view schematically showing an example of a conventional device, and FIG. 5 is a cross sectional view thereof. A large amount of cooling oil stored in the diversion guide 41 is sucked through a suction port 43 formed on the lower surface of the diversion guide 42, and passed through a discharge pipe 44 connected to the upper part of the diversion guide 42 to be filtered externally. In addition to supplying the cooling oil to a device or a clean tank or the like, an endless scraping conveyor 46 scrapes off chips in the cooling oil adsorbed to a magnetic plate 45 disposed at the bottom of the processing tank 41 to a discharge port 47.
It is designed to be discharged to the outside.

Here, relatively large chips are removed from the processing tank 41.
The magnetic particles quickly settle to the bottom of the magnetic plate 45 and are adsorbed onto the magnetic plate 45. In addition, fine chips such as chips are guided by the flow of cooling oil sucked from the suction port 43 of the diverter guide 42 along a guide plate 48 protruding inward from the lower surface of the diverter guide 42. When
It is arranged so that it is brought close to the magnetic plate 45 and adsorbed onto the magnetic plate 45, and clean cooling oil from which chips have been separated and removed is discharged from the discharge pipe 44.

However, with such conventional equipment,
The following problems arose.

(a) Since there is no choice but to provide a space between the lower surface of the diverter guide 42 and the upper surface of the magnetic plate 45 in order to allow the scraping conveyor 44 to run, the suction port 43 of the diverter guide 42 and the magnetic plate 45 must are separated by a required distance, and therefore, among the chips contained in the cooling oil sucked from the suction port 43 of the diverter guide 42, those flowing far from the magnetic plate 45 are affected by the magnetic force of the magnetic plate 45. Therefore, the chips contained in the cooling oil cannot be completely adsorbed and removed.

(b) Over time, a large amount of chips accumulate on the upper surface of the guide plate 48 of the diverter guide 42, and these chips become magnetic due to the influence of the magnetic plate 45, and a magnetic field is formed between them and the magnetic plate 45. As a result, the adsorption force of the magnetic plate 45 is weakened, the effect of adsorption and removal of chips is significantly reduced, and cleaning and maintenance/inspection work of the diverting guide 42 requires a great deal of effort.

(c) A large amount of cooling oil containing fine chips, swarf, etc. is stored in the large-capacity processing tank 1 that accommodates the scraping conveyor 44, the diversion guide 42, etc., so the processing tank 1 The residence time of the cooling fluid in the cooling fluid becomes longer, its deterioration is accelerated, and the cycle life of the cooling fluid is shortened.

[Purpose of invention]

Therefore, the present invention is capable of completely separating and removing the chips contained in the cooling oil by adsorbing them to the surface of the magnetic plate, and without allowing the cooling oil containing chips to remain for a long period of time. The main object of the present invention is to provide a chip processing device that can rapidly perform purification processing.

[Structure of the idea]

In order to achieve this objective, the present invention collects cooling fluid discharged from a machine tool, and uses an overflow to which the collected cooling fluid is supplied in a chip processing device that separates and removes chips contained in the cooling fluid. A tank, an inclined plate that allows the cooling oil that overflows from the tank to flow down, a magnetic plate that is connected to the lower end of the inclined plate and that attracts chips in the coolant, and a magnetic plate that collects the chips that have been adsorbed on the magnetic plate. It is characterized by comprising a scraping conveyor for scraping and discharging to the outside, and configured such that the cooling oil flowing down along the inclined plate passes over the magnetic plate in a liquid film state.

[Effect of invention]

According to the present invention, the cooling oil that overflows from the overflow tank flows down the inclined plate, becomes a liquid film, and passes over the magnetic plate, so that the chips contained in the cooling oil are transferred onto the magnetic plate. will be reliably adsorbed and separated and removed.

In addition, the cooling oil supplied to the overflow tank overflows one after another and flows down the inclined plate, and when it passes over the magnetic plate connected to the inclined plate, chips are separated and cleaned. Therefore, a large amount of cooling oil can be quickly purified, and the cooling oil does not remain in a state containing chips for a long time as in the conventional case, and deterioration of the cooling oil is prevented.

〔Example〕

Hereinafter, the present invention will be explained based on specific embodiments shown in the drawings.

FIG. 1 is a rear perspective view showing an example of a chip processing device according to the present invention, FIG. 2 is a cross-sectional view thereof, and FIG. 3 is a perspective view of the main parts.

In the figure, 1 is an overflow tank connected to a trough or the like (not shown) that collects and supplies the cooling oil discharged from the machine tool, 2 is an inclined plate that allows the cooling oil that overflows from the tank 1 to flow down;
3 is a magnetic plate connected to the lower end of the inclined plate 2 and adsorbs chips in the cooling oil flowing down the inclined plate 2; 4 is a magnetic plate for scraping off and discharging the chips adsorbed on the magnetic plate 3; The scraping conveyor 6 discharges from the outlet 5 is a clean tank into which the cooling oil from which chips have been removed after passing over the magnetic plate 3 is dropped.

The overflow tank 1 has a sawtooth-shaped overflow port for the cooling oil so that the cooling oil can be uniformly supplied to the upper surface of the inclined plate 2 and allowed to flow down.

The inclined plate 2 has an upper end formed into an inclined surface of about 60°, and a lower end formed into an arc-shaped inclined surface with a radius of curvature of about 200 mm.
For example, if the cooling oil overflows from
It is designed to flow down at a rate of about 170 to 190 cm/sec.

The magnetic plate 3 is arranged horizontally and connected to the lower end of the inclined plate 2, and is configured so that the cooling oil flowing down along the inclined plate 2 passes therethrough in the form of a liquid film with a thickness of 10 to 15 mm. has been done.

The scraping conveyor 4 has a configuration in which scraping plates 8, 8, . The drive sprocket 9 is rotated by a motor 10 and driven continuously or intermittently.

The clean tank 6 stores the coolant that has been purified by passing over the magnetic plate 3, and supplies it directly to the machine tool using a submersible pump 11 or the like, or passes it through a filter to the machine tool. It is designed to supply reflux to the

The above is an example of the structure of the chip processing device according to the present invention, and the operation thereof will be explained next.

First, the cooling oil containing chips discharged from the machine tool is collected, guided by a trough, etc., and supplied into the overflow tank 1.

The cooling oil supplied into the overflow tank 1 overflows one after another and flows down on the inclined plate 2 without staying in the tank 1.

The cooling oil that has flowed down the inclined plate 2 is approximately
A flow velocity of approximately 70 to 190 cm/sec is applied, and the thickness of approximately
Magnet plate 3 with a liquid film of 10 to 15 mm formed
pass above.

At this time, all the chips contained in the cooling oil in the form of an extremely thin liquid film with a thickness of 10 to 15 mm are adsorbed onto the magnetic plate 3 and separated from the cooling oil.
Clean cooling oil from which chips have been completely removed is dropped into the clean tank 6.

In addition, the chips adsorbed on the magnetic plate 3 are
It is scraped off by the scraping plates 8, 8, .

As described above, according to the present invention, the cooling oil supplied in the overflow tank 1 overflows one after another and flows down on the inclined plate 2, becoming a thin liquid film and passing over the magnetic plate 3. Therefore, all the chips in the cooling fluid that have flowed down are brought close to the magnetic plate 3 and are surely adsorbed, and the chips contained in the cooling fluid are completely separated and removed and are collected. The cooling oil agent does not remain in a state containing chips for a long time, and the cooling oil agent can be prevented from deteriorating and its cyclic use life can be extended.

In addition, the cooling oil may overflow and the inclined plate 2
Because it has a simple structure in which it flows down and passes over the magnetic plate 3 connected to the inclined plate 2,
Cleaning and maintenance inspection are also extremely easy.

Although not shown in the drawings, since the cooling oil supplied to the overflow tank 1 contains relatively large chips, a separate scraping conveyor is installed inside the tank 1 as well. It is also possible to scrape out the chips that have settled at the bottom of 1.

[Effect of idea]

As described above, according to the present invention, the cooling oil collected from the machine tool is supplied to the overflow tank, overflows from the tank, flows down the inclined plate, becomes a liquid film, and flows over the magnetic plate. Since the coolant can pass through the coolant, it has the excellent effect of ensuring that all the chips contained in the coolant are attracted by the strong magnetic force of the magnetic plate, allowing extremely clean coolant to be reused. Can be done.

In addition, the cooling oil supplied to the overflow tank overflows one after another and flows down the inclined plate, and the chips are separated and removed simply by passing over the magnetic plate connected to the inclined plate. Therefore, a large amount of coolant can be purified extremely quickly, and the coolant does not remain in a large capacity tank for a long time containing chips, as in the case of the conventional method, which prevents deterioration of the coolant. This has the excellent effect of not only preventing this, but also significantly shortening the time for purification treatment.

[Brief explanation of drawings]

Fig. 1 is a rear perspective view showing an example of the chip processing device according to the present invention, Fig. 2 is a cross-sectional view thereof, Fig. 3 is a perspective view of the main parts, and Fig. 4 is a front side sectional view of the conventional device. FIG. 5 is a cross-sectional view thereof. Explanation of symbols, 1...Overflow tank, 2
... Inclined plate, 3... Magnetic plate, 4... Scraping conveyor, 8... Scraping board.

Claims (1)

[Scope of utility model registration request] In a chip processing device that collects coolant discharged from machine tools and separates and removes chips contained in the coolant, there is an overflow tank to which the collected coolant is supplied, and the coolant that overflows from the tank flows down. a magnetic plate connected to the lower end of the inclined plate to adsorb chips in the cooling oil; and a scraping conveyor that scrapes off the chips adsorbed on the magnetic plate and discharges them to the outside. A chip disposal device characterized in that the cooling oil agent flowing down along the inclined plate passes over the magnetic plate in the form of a liquid film.