CN108890533B - Grinding fluid filtering and purifying device - Google Patents

Grinding fluid filtering and purifying device Download PDF

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Publication number
CN108890533B
CN108890533B CN201811082763.XA CN201811082763A CN108890533B CN 108890533 B CN108890533 B CN 108890533B CN 201811082763 A CN201811082763 A CN 201811082763A CN 108890533 B CN108890533 B CN 108890533B
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inner barrel
filter paper
roller
driving roller
center
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CN108890533A (en
Inventor
方莉英
张四弟
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/02Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
    • B24B55/03Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant

Abstract

The invention relates to a grinding fluid filtering and purifying device which comprises an outer box, an inner barrel, a guide roller, a winding drum filter paper, a squeeze roller, a driving roller and a suction pipe, wherein radial through holes are densely arranged on an inner barrel cylindrical surface below two intersecting points formed by the central connecting line of the guide roller and the inner barrel and the circumferential surface of the inner barrel, the winding drum filter paper downwards passes through a gap between the guide roller and the inner barrel to be coated on an outer cylindrical surface below the inner barrel, then upwards passes through a gap between the inner barrel and the driving roller to be coated on the driving roller, and the part of the inner barrel cylindrical surface densely provided with the radial through holes is completely covered and passes through the gap between the driving roller and the squeeze roller. According to the invention, through the design of the through flow under the filter paper of the roller, the attachment amount of the abrasive dust on the filter paper can be effectively reduced, the filter amount of the filter dust of the filter paper in unit area is improved, the filter precision and the filter paper are high, the filter paper consumption is low, the grinding operation cost is effectively reduced, the grinding quality is improved, and the cost performance is very high.

Description

Grinding fluid filtering and purifying device
Technical Field
The invention belongs to a precise, efficient and low-consumption filtering and purifying technology of grinding cooling liquid, and particularly relates to a cylinder filter paper down-flow negative pressure filtering and purifying device.
Background
Along with the development of manufacturing technology, the continuous improvement of manufacturing precision, the finishing of mechanical parts adopts a grinding process to become a development trend, one of the characteristics of the grinding process is that the cutting heating value is large, the defects of cutting thermal deformation and burning are easy to cause, and the parts are scrapped, so that cooling in the grinding process becomes an indispensable matching device. Because the abrasive dust generated by grinding is in a fine powder shape, and is mixed with cooling liquid, high-quality and high-efficiency separation is difficult to realize, and the cooling device matched with the high-grade precise grinding machine tool mainly adopts a tiled filter paper filtering and purifying device, grinding waste liquid directly permeates downwards from the upper part of the filter paper to realize the separation of the abrasive dust and the liquid, the structure size is large, the filtering and purifying quality is poor, the efficiency is low, the filter paper consumption is large, the processing operation cost is greatly influenced, and even the processing quality is also influenced.
Disclosure of Invention
Aiming at the problems of poor filtering and purifying quality, low efficiency and the like of a cooling device matched with the existing precise grinding machine tool, the invention provides a chip-liquid separation and purifying technical scheme of through-flow negative pressure filtering under drum-type filter paper, which realizes precise, efficient and low-consumption filtering and purifying of grinding cooling liquid, thereby reducing the grinding operation cost and improving the grinding quality.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention relates to a grinding fluid filtering and purifying device, which comprises an outer box, an inner barrel, a guide roller, a reel filter paper, a squeeze roller, a driving roller and a suction pipe,
the inner barrel is a thin-wall cylinder, two ends of the inner barrel are covered, the center of the inner barrel is provided with an overhanging supporting shaft through a bearing, and the inner barrel is horizontally supported in the outer box through the overhanging supporting shafts at the two ends;
the roll filter paper is supported above one side of the center of the inner barrel in parallel with the inner barrel through the side wall of the outer box, and the guide roller is supported between the inner barrel and the roll filter paper in parallel with the inner barrel through the side wall of the outer box and is close to the inner barrel;
the driving roller is supported at a position close to the inner barrel above the side of the other side of the center of the inner barrel through the side wall of the outer box and parallel to the inner barrel;
the squeeze roller is supported above the side of the driving roller in parallel with the driving roller through the side wall of the outer box and deviates to one side of the center direction of the inner barrel;
radial through holes are densely arranged on the inner barrel below two intersecting points formed by the central connecting line of the guide roller and the inner barrel and the central connecting line of the drive roller and the inner barrel and the circumferential surface of the inner barrel, the guide roller is opposite to the outer wall without the radial through holes above the side of one side of the center of the inner barrel, and the drive roller is opposite to the outer wall without the radial through holes above the side of the other side of the center of the inner barrel;
the filter paper of the winding drum passes through a gap between the guide roller and the inner barrel downwards to be coated on an outer cylindrical surface below the inner barrel, then passes through a gap between the inner barrel and the drive roller upwards to be coated on the drive roller, and the part, densely provided with radial through holes, of the cylindrical surface of the inner barrel is completely covered and passes through the gap between the drive roller and the extrusion roller;
the suction pipe is installed at the center of one end of the inner barrel, a through hole is outwards formed in the center of one end of the inner barrel, the inner side of the supporting shaft extends outwards and extends to the lower part of the inner barrel, and the suction pipe is connected with the outlet through the outer barrel connecting piece.
The invention further improves that: tension springs which are pulled to the driving roller are arranged at two ends of the extrusion roller.
The invention further improves that: a damping roller is also arranged on one side of the reel filter paper.
The invention further improves that: a spiral chip cleaner is arranged in a lower groove at the bottom of the outer box.
The invention further improves that: a scraping plate is arranged on one side of the driving roller, which is close to the center of the inner barrel, in the opposite direction.
The beneficial effects of the invention are as follows: according to the invention, through the design of the downward covering through flow of the filter paper of the roller, the attachment quantity of abrasive dust on the filter paper can be effectively reduced by utilizing the gravity sinking effect, the inner barrel is made into a closed space when the liquid level of the outer box is raised due to the blocking of the filter paper or other factors, the outer pumping of the liquid in the inner barrel can enable the inner barrel to form a certain vacuum negative pressure, the pressure difference is caused on the two sides of the filter paper, the liquid passing capacity is enhanced, the filter quantity of the abrasive dust of the filter paper in unit area is improved, the filter precision and the efficiency are high, and the consumption of the filter paper is less, so that the grinding operation cost is effectively reduced, the grinding quality is improved, and the cost performance is very high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of an axial body of the present invention.
Fig. 3 is a cross-sectional view of the inner tub of the present invention.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1-3, the present invention is a grinding fluid filtering and purifying device, comprising an outer tank 1, an inner tank 2, a guide roller 3, a roll filter paper 4, a squeeze roller 6, a driving roller 7, and a suction pipe 11, wherein the inner tank 2 is a thin-walled cylinder, both ends of the inner tank 2 are capped and the center is provided with overhanging supporting shafts through bearings 10, one end center is outwards provided with a through hole, the inner tank 2 is horizontally supported in the outer tank 1 by the overhanging supporting shafts at both ends, spaces are reserved around the cross section of the outer tank 1 and the inner tank 2 in radial direction to accommodate grinding fluid, the width of the roll filter paper 4 is equal to the length of the inner tank 2, the roll filter paper 4 is supported above one side of the center of the inner tank 2 by the side wall of the outer tank 1 in parallel to the inner tank 2, that is, the roll filter paper 4 is supported on the side wall of the outer tank 1 with both ends of the overhanging parts of the center shaft in parallel to the inner tank 2, the length of the guide roller 3 is equal to that of the inner barrel 2, the guide roller 3 is supported between the inner barrel 2 and the reel filter paper 4 through the side wall of the outer box 1 parallel to the inner barrel 2, namely, the guide roller 3 is supported on the side wall of the outer box 1 by the overhanging parts at the two ends of the revolution central shaft of the guide roller 3, and is parallel to the inner barrel 2 and is arranged between the inner barrel 2 and the reel filter paper 4 at a position close to the inner barrel 2, the guide roller 3 and the inner barrel 2 keep a gap radially so that the filter paper can pass through the guide roller 3, the length of the driving roller 7 is equal to that of the inner barrel 2, the driving roller 7 is supported above the side of the inner barrel 2 parallel to the other side of the center of the inner barrel 2 through the side wall of the outer box 1, namely, the driving roller 7 is supported on the side wall of the outer box 1 by the overhanging parts at the two ends of the revolution central shaft of the guide roller 7 and is parallel to the inner barrel 2 and is arranged above the side of the other side of the center of the inner barrel 2, the driving roller 7 and the inner barrel 2 are radially kept at a gap so as to enable filter paper with attached abrasive dust to pass through, the inner barrel 2 is densely provided with radial through holes on a cylindrical surface below two intersecting points formed by a central connecting line of the guide roller 3 and the inner barrel 2 and a central connecting line of the driving roller 7 and the inner barrel 2 and the circumferential surface of the inner barrel 2, the circumferential range of the radial through holes densely provided on the cylindrical surface of the inner barrel 2 is maximally not more than 350 DEG from bottom to top, no holes are provided in the range of minimum 10 DEG right above the rest so as to realize the sealing of the inner barrel 2, the part of the cylindrical surface of the inner barrel 2 densely provided with the radial through holes is positioned at a downward position in a normal state, the guide roller 3 is opposite to the outer wall without the radial through holes above the side of one side of the center of the inner barrel 2, the driving roller 7 is opposite to the outer wall without the radial through holes above the side of the other side of the center of the inner barrel 2, the length of the extruding roller 6 is equal to the length of the driving roller 7, the squeeze roller 6 is supported in a floating manner above the side of the driving roller 7 by the side wall of the outer box 1 parallel to the driving roller 7 and is biased to the central direction side of the inner barrel 2, namely, the squeeze roller is supported in the waist-shaped long grooves of the side wall of the outer box by the overhanging parts of the two ends of the rotation central shaft of the squeeze roller, is arranged above the side of the driving roller 7 parallel to the driving roller and is biased to the central direction side of the inner barrel 2, so that grinding fluid extruded from filter paper and abrasive dust attached to the filter paper flows back to the outer box, a suction pipe 11 is arranged below the inner barrel 2 by the inner side of the supporting shaft of which one end of the inner barrel 2 is outwards opened with a through hole overhanging, the suction pipe 11 is connected with a suction port of the liquid suction pump, namely, an outlet in the drawing figure 2 by an outer box connecting piece, the purifying fluid is drawn out, tension springs 9 which are pulled towards the driving roller 7 are arranged at the two ends of the squeeze roller 6, so that the squeeze roller 6 is pressed towards the driving roller 7 along the waist-shaped long grooves of the side wall of the outer box, a damping roller 5 is further arranged on one side of the drum filter paper 4, the damping roller 5 presses the drum filter paper 4 by means of self gravity or spring force to provide certain tension for winding the filter paper, a spiral chip cleaner 12 is arranged in a lower groove at the bottom of the outer box 1 to timely discharge precipitated abrasive dust, the drum filter paper 4 downwards passes through a gap between the guide roller 3 and the inner barrel 2 to be coated on an outer cylindrical surface below the inner barrel 2, then upwards passes through a gap between the inner barrel 2 and the drive roller 7 to be coated on the drive roller 7, the cylindrical surface of the inner barrel 2 is densely provided with parts with radial through holes to be completely covered, so that dirty liquid is prevented from directly flowing into the inner barrel 2 and passing through the gap between the drive roller 7 and the squeeze roller 6, and a scraping plate 8 is arranged on one side of the drive roller 7, which is opposite to the center of the inner barrel 2.
The working principle of the invention is as follows: during operation, grinding waste liquid enters the outer box 1 from the inlet, part of grinding dust is deposited and sunk to the lower groove at the bottom of the outer box 1 in the opposite direction of filter paper under the natural action of gravity, the rest part of grinding dust is suspended in the liquid, when the liquid level of the grinding waste liquid in the outer box 1 is higher than the liquid level in the inner barrel 2 under normal conditions, the liquid flows into the inner barrel 2 through dense radial holes on the inner barrel 2 after being filtered and purified by the filter paper coated on the inner barrel 2, and is pumped and discharged by an external suction pump through a suction pipe 11 for repeated recycling, the grinding dust suspended in the liquid is blocked and attached to the filter paper, the filter paper is blocked to cause the liquid to reduce the capacity of the inner cavity of the inner barrel 2 along with the continuous attachment and accumulation of the grinding dust on the filter paper, or when other reasons, such as the inlet grinding waste liquid of the outer box 1 is connected to the liquid level of the inner barrel 2 to be higher than the suction and discharge flow of the inner barrel 2, the liquid level of the outer box 1 is raised, so as to form internal and external pressure difference, when the liquid level in the inner barrel 2 is in the part of the downward position and is densely provided with radial through holes, the inner cavity of the inner barrel 2 is isolated from the inner cavity of the inner barrel 2, the inner cavity of the inner barrel 2 is thoroughly, the filter paper is further increased in the suction capacity of the suction pressure of the inner barrel 2, and the filter dust is generated, and the filter dust is discharged by the filter dust is further increased, and the filter dust suction capacity is generated, and the filter dust unit area is further increased; when the abrasive dust attached to the filter paper reaches a certain thickness, the liquid passing capability is basically lost, at the moment, the driving roller 7 is controlled to rotate, the invalid filter paper attached with the abrasive dust is discharged out of the outer box, the inner barrel 2 is driven to rotate against resistance such as friction and the like, the new filter paper bag on the drum filter paper 4 is driven to the inner barrel 2, the controller controls the inner barrel 2 to rotate once and then stop, at the moment, the part of the cylindrical surface of the inner barrel 2 densely provided with radial through holes is still at a downward position, the filter paper coated on the outer cylindrical surface is updated, tension springs 9 which are pulled to the driving roller 7 are arranged at two ends of the extruding roller 6 so as to improve the liquid extruding effect and enhance the filter paper friction transmission effect, the damping roller 5 presses the drum filter paper 4 by means of self gravity or spring force so as to provide certain tension for winding the filter paper, and for long-term continuous work, a spiral chip remover 12 can be installed in a lower groove at the bottom of the outer box 1 so as to timely discharge the deposited abrasive dust, the abrasive dust adhered on the driving roller 7 is cleaned and led out of the outer box 1, the abrasive dust is prevented from falling into the outer box 1 again, an overflow port is arranged on the outer box 1, the height is low so that the highest dirt coating point on the inner barrel 2 is prevented from being immersed in the inner barrel 2, and the inner barrel 2 is prevented from being immersed into the radial through hole 2.

Claims (1)

1. The utility model provides a grinding fluid filters purifier, includes outer container (1), interior bucket (2), deflector roll (3), reel filter paper (4), squeeze roll (6), drive roller (7), suction tube (11), its characterized in that:
the inner barrel (2) is a thin-wall cylinder, two ends of the inner barrel (2) are covered, the center of the inner barrel is provided with an overhanging supporting shaft through a bearing (10), and the inner barrel (2) is horizontally supported in the outer box (1) through the overhanging supporting shafts at the two ends;
the roll filter paper (4) is supported above one side of the center of the inner barrel (2) by the side wall of the outer box (1) parallel to the inner barrel (2), and the guide roller (3) is supported between the inner barrel (2) and the roll filter paper (4) at a position close to the inner barrel (2) by the side wall of the outer box (1) parallel to the inner barrel (2);
the driving roller (7) is supported at a position close to the inner barrel (2) above the side of the other side of the center of the inner barrel (2) through the side wall of the outer box (1) parallel to the inner barrel (2);
the squeeze roller (6) is supported above the side of the driving roller (7) in a floating manner by the side wall of the outer box (1) parallel to the driving roller (7) and is deviated to one side of the center direction of the inner barrel (2);
radial through holes are densely formed in the inner barrel (2) on cylindrical surfaces below two intersecting points formed by a central connecting line of the guide roller (3) and the inner barrel (2) and a central connecting line of the driving roller (7) and the inner barrel (2) and the circumferential surface of the inner barrel (2), the guide roller (3) is opposite to the outer wall without the radial through holes above the side of one side of the center of the inner barrel (2), and the driving roller (7) is opposite to the outer wall without the radial through holes above the side of the other side of the center of the inner barrel (2);
the roll filter paper (4) downwards passes through a gap between the guide roller (3) and the inner barrel (2) to be coated on the outer cylindrical surface below the inner barrel (2), upwards passes through a gap between the inner barrel (2) and the driving roller (7) to be coated on the driving roller (7), and completely covers a part, densely provided with radial through holes, on the cylindrical surface of the inner barrel (2) and passes through the gap between the driving roller (7) and the extrusion roller (6);
the suction pipe (11) is arranged at the inner side of an overhanging supporting shaft which is provided with a through hole at the center of one end of the inner barrel (2) outwards and extends to the lower part of the inner barrel (2), the suction pipe (11) is connected with the outlet through an outer barrel connecting piece,
the device is characterized in that tension springs (9) which are pulled towards the driving rollers (7) are arranged at two ends of the extruding rollers (6), damping rollers (5) are further arranged on one side of the winding drum filter paper (4), a spiral chip cleaner (12) is arranged in a lower groove at the bottom of the outer tank (1), a scraping plate (8) is arranged on one side, which is opposite to the center of the inner tank (2), of the driving rollers (7), grinding waste liquid enters the outer tank (1) during operation, a part of the grinding waste liquid is deposited in the opposite direction of the filter paper under the natural action of gravity and sinks into the lower groove at the bottom of the outer tank (1), the rest part of the grinding waste liquid is suspended in the liquid, and when the liquid level of the grinding waste liquid in the outer tank (1) is higher than the liquid level in the inner tank (2), the liquid flows into the inner tank (2) through a radial through hole on the inner tank (2) after being filtered and purified by the filter paper coated on the inner tank (2), and is pumped and discharged by an external suction pump through a suction tube (11) for repeated recycling.
CN201811082763.XA 2018-09-17 2018-09-17 Grinding fluid filtering and purifying device Active CN108890533B (en)

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Application Number Priority Date Filing Date Title
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CN108890533B true CN108890533B (en) 2024-04-09

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020197608A1 (en) * 2019-03-22 2020-10-01 Sinclair Systems International, Llc. High speed labeler for large produce items

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2259937Y (en) * 1996-05-03 1997-08-20 庞信 Roll disc like paper belt filtration apparatus
JP2001314703A (en) * 2000-03-01 2001-11-13 Sumitomo Densetsu Corp Equipment for filtration and regeneration of liquid
CN2481453Y (en) * 2001-05-31 2002-03-13 广东省机械研究所 Full-automatic machine hydraulic oil filtering, cooling and circulation device
CN201168504Y (en) * 2008-03-20 2008-12-24 武汉博威新技术有限公司 Magnetic separator
CN104096406A (en) * 2013-04-09 2014-10-15 烟台艾格瑞过滤技术有限公司 Scraper vacuum integrated filter
CN104097108A (en) * 2013-04-09 2014-10-15 烟台艾格瑞过滤技术有限公司 Back flushing drum chip remover
CN104587723A (en) * 2014-12-24 2015-05-06 哈尔滨金大环境工程有限公司 Negative-pressure paper tape filter device for cutting fluids and method for carrying out paper tape filtration
CN108296865A (en) * 2018-01-15 2018-07-20 宁夏共享机床辅机有限公司 A kind of sealing and filter device applied to Scrap-removing machine
CN108499195A (en) * 2018-05-17 2018-09-07 宁夏共享机床辅机有限公司 A kind of automatic chip-removal filter device
CN208744574U (en) * 2018-09-17 2019-04-16 方莉英 A kind of grinding fluid filtering and purifying

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2259937Y (en) * 1996-05-03 1997-08-20 庞信 Roll disc like paper belt filtration apparatus
JP2001314703A (en) * 2000-03-01 2001-11-13 Sumitomo Densetsu Corp Equipment for filtration and regeneration of liquid
CN2481453Y (en) * 2001-05-31 2002-03-13 广东省机械研究所 Full-automatic machine hydraulic oil filtering, cooling and circulation device
CN201168504Y (en) * 2008-03-20 2008-12-24 武汉博威新技术有限公司 Magnetic separator
CN104096406A (en) * 2013-04-09 2014-10-15 烟台艾格瑞过滤技术有限公司 Scraper vacuum integrated filter
CN104097108A (en) * 2013-04-09 2014-10-15 烟台艾格瑞过滤技术有限公司 Back flushing drum chip remover
CN104587723A (en) * 2014-12-24 2015-05-06 哈尔滨金大环境工程有限公司 Negative-pressure paper tape filter device for cutting fluids and method for carrying out paper tape filtration
CN108296865A (en) * 2018-01-15 2018-07-20 宁夏共享机床辅机有限公司 A kind of sealing and filter device applied to Scrap-removing machine
CN108499195A (en) * 2018-05-17 2018-09-07 宁夏共享机床辅机有限公司 A kind of automatic chip-removal filter device
CN208744574U (en) * 2018-09-17 2019-04-16 方莉英 A kind of grinding fluid filtering and purifying

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