JP3060849U - Cleaner liquid cleaning equipment - Google Patents

Abstract

(57) [Summary] (Problem corrected) [Problem] To provide a coolant cleaning device adopting a novel method capable of minimizing sludge accumulated at the bottom of a coolant tank and feeding a highly clean coolant to a processing base machine by pressure. To do. An apparatus for cleaning a coolant liquid has a coolant tank having a cylindrical shape, and an immersion coolant pump for circulating coolant liquid is provided at the center of a circular coolant tank with an upper surface of a pump suction port of the immersion coolant pump. The vortex flow 2 is mounted so as to be flush with the bottom surface of the circular coolant tank 14 or less, and is immersed in the coolant in the circular coolant tank 14 in the same rotational direction as the impeller 30 of the impeller 30 of the coolant pump 12.
Give 7. The cleaned coolant liquid is caused to flow from a peripheral side surface of the circular coolant tank 14 into a coolant pump 13 for pressure-feeding to a working mother machine.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention relates to an apparatus for cleaning a coolant liquid, which separates the sludge from a coolant liquid containing sludge discharged from an industrial machine or the like (hereinafter referred to as a processing mother machine) to purify the coolant liquid.

[0002]

[Prior art]

 In order to improve recyclability, the industry demands a coolant liquid purifier that does not accumulate sludge at the bottom of the coolant tank when filtering coolant containing sludge discharged from the processing mother machine. Have been. FIG. 3 is a schematic explanatory view of a conventionally provided apparatus for cleaning a coolant liquid containing magnetic sludge. The coolant liquid containing magnetic sludge discharged from the processing mother machine flows into the dirty tank 33 through the inlet 32 of the cleaning device. The dirty tank 33 is provided with a scraper conveyor 34, and coarse sludge settled in the dirty tank 33 is scraped out by the scraper conveyor 34 into a sludge box 35 outside the dirty tank 33. The coolant liquid containing the sludge in the dirty tank 33 is pressure-fed to the magnetic separator 11 by the dirty pump 36, and the sludge in the coolant liquid is collected by the magnetic separator 11. The coolant from which the sludge has been collected flows into the clean tank 37 and is pressure-fed to the processing mother machine by the clean pump 38. Note that fine sludge that could not be collected by the magnetic separator 11 is settled in the clean tank 37.

[0003]

[Problems to be solved by the invention]

 Claims 1 and 2 according to the present invention are to provide a coolant cleaning apparatus employing a novel method for minimizing sludge accumulated at the bottom of a coolant tank, unlike the above-described method. As an issue. A third aspect of the present invention is to provide an apparatus for cleaning a coolant capable of pumping a coolant having a highest degree of cleanliness to a processing mother machine in a coolant tank of the apparatus for cleaning a coolant. As an issue.

[0004]

[Means for Solving the Problems]

 In the coolant purifying apparatus according to the first aspect, the upper surface of the suction port of the immersion coolant pump for circulating the coolant liquid attached to the coolant tank of the coolant purifier may be flush with the bottom surface of the coolant tank, or may have the same shape. It is characterized in that it is attached as follows. According to a second aspect of the present invention, there is provided an apparatus for cleaning a coolant liquid according to the first aspect, wherein the coolant tank has a cylindrical shape, and an immersion coolant pump is installed at the center of the coolant tank. It is characterized by providing a vortex in the same rotational direction as the impeller. According to a third aspect of the present invention, in the coolant cleaning apparatus according to the first and second aspects, the purified coolant is supplied to a coolant pump for pumping the coolant from the outer peripheral side surface of the circular coolant tank to the processing mother machine. It is characterized by the following.

[0005]

[Embodiment of the invention]

 The coolant cleaning apparatus according to the present embodiment is a coolant cleaning apparatus that filters a coolant containing sludge discharged from a processing mother machine. In addition, the coolant purifier that filters the coolant containing sludge discharged from the processing mother machine does not accumulate sludge at the bottom of the coolant tank when filtering the coolant as described above. It is desired. Hereinafter, typical embodiments of the present invention will be described with reference to the drawings. However, the dimensions, shapes, materials, relative positions, and the like of the components described in this example are not intended to limit the scope of the present invention only to them unless otherwise specified. , Are merely illustrative examples. A cleaning device for a coolant according to the present embodiment when the sludge discharged from the processing mother machine is a magnetic material will be described with reference to FIGS. This cleaning device is composed of a circular coolant tank 14 having two coolant pumps: a magnetic separator 11, a submerged coolant pump 12 for circulating coolant, and a coolant pump 13 for pumping the cleaned clean coolant liquid to a processing mother machine. Have been. The coolant liquid containing the sludge of the magnetic substance discharged from the processing mother machine first flows into the magnetic separator 11, and the coolant liquid is filtered. The magnetic separator 11 includes a non-magnetic rotating cylinder, a rotating cylinder 15 having a fixed magnet built therein, and a motor 16 rotating the rotating cylinder 15 to form a flow path in which a predetermined gap is formed between the rotating cylinder 15 and the semi-cylindrical bottom plate 17. A coolant liquid containing magnetic substance sludge is passed through 18, and the magnetic substance sludge in the coolant liquid is adsorbed and separated on the outer periphery of the rotating cylinder 15, whereby the coolant liquid is filtered and discharged from the magnetic separator 11. The filtered coolant liquid flows in the tangential direction of the circular coolant tank 14. The magnetic sludge adsorbed on the outer periphery of the rotary cylinder 15 is dewatered by being pressed by the squeezing roller 19, scraped off by the scraping plate 20, and discharged into the receiving box 21.

A submerged coolant pump 12 for circulating coolant is provided in the center of the circular coolant tank 14, and a pump chamber 22 installed on the outer peripheral side surface of the circular coolant tank 14 is cleaned. A coolant pump 13 for pumping the clean coolant liquid to the processing mother machine is provided. A T-shaped connecting pipe 24 is provided in the middle of the discharge pipe 23 of the coolant pump 13 for pressure-feeding the cleaned clean coolant liquid to the processing mother machine, and a part of the coolant liquid is installed in a tangential direction in the circular coolant tank 14. The coolant is ejected into the circular coolant tank 14 through the coolant discharge nozzle 25. The coolant liquid ejected in the tangential direction in the circular coolant tank 14 and the coolant liquid discharged from the magnetic separator 11 and flowing in the tangential direction of the circular coolant tank 14 described above are used in the circular coolant tank 14. The vortex 27 is generated in the coolant, and the fine sludge and the like in the coolant that cannot be collected by the magnetic separator 11 continue to settle gradually while rotating with the coolant. Collect on the bottom. The strength of the vortex 27 can be adjusted by adjusting the flow rate of the coolant discharged from the coolant discharge nozzle 25 with the adjusting valve 26. The center bottom of the circular coolant tank 14 is flush with the bottom surface of the circular coolant tank 14 or lower than the upper surface of the pump suction port 29 of the casing 28 of the immersion coolant pump 12 for circulating coolant liquid. In this way, the pump casing 28 has a structure that can be embedded in the bottom of the circular coolant tank 14. Therefore, most of the sludge and the like in the coolant that could not be collected by the magnetic separator 11 integrated on the bottom surface of the center of the circular coolant tank 14 are mostly absorbed by the immersion coolant pump 12 for circulation of the coolant. It is sucked, pumped again into the magnetic separator 11 and filtered again. The immersion type coolant pump 12 for circulating the coolant liquid continuously circulates the above coolant liquid during the operation of the cleaning device, and significantly reduces the accumulation of sludge on the bottom surface of the circular coolant tank 14. By making the direction of the vortex 27 in the circular coolant tank 14 the same as the rotating direction of the impeller 30 of the immersion coolant pump 12 for circulating the coolant, the suction force of the immersion coolant pump 12 can be increased. Thus, the above effect can be significantly increased. Further, the bottom plate of the circular coolant tank 14 may have a slope other than a flat surface.

[0007] A coolant pump 13 is provided at a part of the outer peripheral side surface of the circular coolant tank 14 for pumping the coolant liquid on the outer peripheral surface of the circular coolant tank 14 having the highest cleanliness in the circular coolant tank 14 to the processing mother machine. A pump chamber 22 is provided, and the circular coolant tank 14 and the pump chamber 22 communicate with each other through a notch 31 having an underflow structure. In the middle of the discharge pipe 23 of the coolant pump 13, a T-shaped connection pipe 24 is provided as described above, and a part of the coolant liquid is supplied to a coolant discharge nozzle 25 provided in a tangential direction in the circular coolant tank 14. Through the coolant tank 14. In the present embodiment, the case where the sludge discharged from the processing mother machine is a magnetic substance has been described. However, by replacing the magnetic separator in the present embodiment with a filter device or the like, the sludge discharged from the processing mother machine is a non-magnetic substance. Can also be handled. In addition, the device of the present invention is not limited to the embodiment described above and shown in the drawings as described above, but can be appropriately changed without departing from the scope of the invention.

[0008]

[Effect of the invention]

 In the coolant cleaning apparatus according to claims 1 and 2, the sludge settled on the bottom surface of the coolant tank can be efficiently sucked by the immersion coolant pump, so that it can be compared with the conventional cleaning apparatus. In addition, it is possible to provide a novel coolant cleaning apparatus that can significantly reduce the amount of sludge accumulated on the bottom surface of the coolant tank. In the coolant cleaning apparatus according to the third aspect, a coolant having a higher degree of cleanliness can be supplied to the processing mother machine as compared with a conventional cleaning apparatus. In addition, according to the coolant liquid purifying apparatus according to the first, second and third aspects, in addition to the above-described effects, the cleaning frequency in the coolant tank is reduced, and the installation space is reduced. It is possible to maintain the cleanliness and extend the service life of coolant liquid for industrial machinery that is used repeatedly, thereby maintaining the performance of industrial machinery. This can contribute to a reduction in operating costs as a whole.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing the front of a coolant cleaning apparatus of the present invention.

FIG. 2 is an explanatory view showing a plane of the coolant cleaning apparatus of the present invention.

FIG. 3 is a perspective view showing a conventional coolant cleaning device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... Magnetic separator 12 ... Immersion type coolant pump 13 ... Coolant pump 14 ... Circular coolant tank 15 ... Rotating cylinder 16 ... Electric motor 17 ... Bottom plate 18 ... Flow path 19 ... squeezing roller 20 ... scraping plate 21 ... receiving box 22 ... pump chamber 23 ... discharge pipe 24 ... T-shaped connection pipe 25 ... coolant discharge nozzle 26 ... adjustment Valve 27 vortex 28 casing part 29 pump suction port 30 impeller 31 notch hole 32 inlet port 33 dirty tank 34 scraper conveyor 35 ・ ・ ・ Sludge box 36 ・ ・ ・ Dirty pump 37 ・ ・ ・ Clean tank 38 ・ ・ ・ Clean pump

Claims (3)

[Utility model registration claims] An apparatus for cleaning a coolant liquid, wherein the sludge is separated from a coolant liquid containing sludge discharged from an industrial machine or the like to purify the coolant liquid. An apparatus for cleaning a coolant liquid, wherein an upper surface of a suction port of a submerged coolant pump to be mounted is mounted so as to be flush with or lower than a bottom surface of the coolant tank. 2. The coolant cleaning apparatus according to claim 1, wherein the coolant tank has a cylindrical shape, and the immersion coolant pump is installed at a center of the coolant tank.
An apparatus for cleaning a coolant liquid, wherein a vortex in the same rotation direction as the rotation direction of the impeller of the coolant pump is applied to the coolant liquid in the coolant tank. 3. The coolant purifying apparatus according to claim 1, wherein the cleaned coolant flows into a coolant pump for pressure-feeding to an industrial machine or the like from an outer peripheral side surface of the coolant tank. An apparatus for cleaning a coolant liquid.