CN115382272A - Cooling liquid filtering system and method for linear cutting machine - Google Patents

Cooling liquid filtering system and method for linear cutting machine Download PDF

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Publication number
CN115382272A
CN115382272A CN202211189413.XA CN202211189413A CN115382272A CN 115382272 A CN115382272 A CN 115382272A CN 202211189413 A CN202211189413 A CN 202211189413A CN 115382272 A CN115382272 A CN 115382272A
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CN
China
Prior art keywords
cooling liquid
filter
coolant
filtering
drain pipe
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Pending
Application number
CN202211189413.XA
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Chinese (zh)
Inventor
周志凯
陈炜
吴忠民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Sanguang Science & Technology Co ltd
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Suzhou Sanguang Science & Technology Co ltd
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Publication date
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Priority to CN202211189413.XA priority Critical patent/CN115382272A/en
Publication of CN115382272A publication Critical patent/CN115382272A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • B01D37/046—Controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/36—Supply or regeneration of working media
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The invention discloses a cooling liquid filtering system and a cooling liquid filtering method for a linear cutting machine tool, wherein the cooling liquid filtering system comprises a filtering main body, a cooling liquid tank, a working pump and a filter are arranged on the filtering main body, cooling liquid in the cooling liquid tank is pumped to the filter through the working pump, the outlet of the filter is connected with the linear cutting machine tool, a drain pipe and a drainage assembly are further arranged on the filtering main body, one end of the drain pipe is connected with the outlet of the filter, the other end of the drain pipe is connected with the drainage assembly, and the drainage assembly is communicated with the inside of the cooling liquid tank. The cooling liquid filtering system improves the cleanliness of the cooling liquid in the cooling liquid tank through circulating filtration, the cleanliness of the cooling liquid conveyed to the linear cutting machine tool is good, and the stability of the linear cutting machine tool can be improved.

Description

Cooling liquid filtering system and method of linear cutting machine
Technical Field
The invention relates to the field of reciprocating wire-moving linear cutting machines, in particular to a cooling liquid filtering system and method of a linear cutting machine.
Background
The numerically controlled linear cutting machine consists of three parts, including mechanical, electrical and working liquid system, the working liquid system consists of working liquid tank, working liquid pump, liquid inlet pipe, liquid return pipe, flow control valve, filtering net, filtering core, etc. and is used to concentrate discharge energy, take away discharge heat to cool electrode wire and workpiece, eliminate electric corrosion product, etc.
The cooling liquid filtering system of the existing linear cutting machine generally comprises a working pump, a filter, a cooling liquid tank and the like, wherein a filter element is arranged in the filter. The working pump extracts the cooling liquid in the cooling liquid tank, and conveys the cooling liquid to the filter, and the cooling liquid is conveyed to the linear cutting machine after being filtered by the filter.
Due to the characteristics of the paper filter element in the filter, the cleanliness of the coolant output by the filter is affected by the cleanliness of the coolant in the coolant tank. When the cleanliness of the cooling liquid in the cooling liquid tank is higher, the cleanliness of the cooling liquid which is filtered by the filter and then is conveyed to the linear cutting machine tool is better. However, the cleanliness of the cooling liquid delivered to the linear cutting machine in the existing filtering system is not ideal, so that the stability of the linear cutting machine is poor.
Disclosure of Invention
The invention aims to provide a cooling liquid filtering system and a cooling liquid filtering method for a linear cutting machine tool.
The technical scheme is as follows:
the invention discloses a cooling liquid filtering system of a linear cutting machine in one embodiment, which comprises a filtering main body, wherein a cooling liquid box, a working pump and a filter are arranged on the filtering main body, cooling liquid in the cooling liquid box is pumped to the filter through the working pump, the outlet of the filter is connected with the linear cutting machine, a drain pipe and a drainage assembly are also arranged on the filtering main body, one end of the drain pipe is connected with the outlet of the filter, the other end of the drain pipe is connected with the drainage assembly, and the drainage assembly is communicated with the interior of the cooling liquid box.
Preferably, the filtering main body is further provided with a pressure gauge, a water outlet of the working pump is connected with a water inlet of the filter through a water inlet pipe, and the pressure gauge is arranged at the joint of the working pump and the water inlet pipe.
Preferably, the water outlet of the working pump is connected with a three-way valve, and the water inlet pipe and the pressure gauge are respectively connected with the three-way valve.
Preferably, the drainage assembly comprises a pressure release valve and a drainage pipe, the other end of the drainage pipe is connected with the pressure release valve, one end of the drainage pipe is connected with the pressure release valve, and the other end of the drainage pipe is arranged in the cooling liquid box.
Preferably, the pressure relief valve is connected with an elbow, and the drain pipe is connected with the pressure relief valve through the elbow.
Preferably, the outlet of the filter is connected with a cooling liquid conveying pipe, and the cooling liquid conveying pipe is connected with a one-way valve.
Preferably, a filtering fixing plate and a pumping fixing plate are fixed on the upper surface of the cooling liquid tank, the working pump is fixed on the pumping fixing plate, and the filter is fixed on the filtering fixing plate.
Preferably, the bottom of the filtering main body is fixed with a travelling wheel, and the side edge of the filtering main body is fixed with a handle.
The invention discloses a filtering method of a cooling liquid filtering system of a linear cutting machine in another embodiment, which comprises the following steps:
the working pump extracts the cooling liquid in the cooling liquid tank and conveys the cooling liquid to the filter;
the filter filters the cooling liquid, and the filtered cooling liquid with the standard quantity is conveyed to the linear cutting machine;
the filtered surplus cooling liquid is conveyed to the interior of the cooling liquid box through the drain pipe and the drainage assembly, and the circulating filtration of the cooling liquid in the cooling liquid box is achieved.
Preferably, the method further comprises the following steps:
detecting the pressure on a water inlet pipe for conveying cooling liquid to the filter through a pressure gauge, and judging whether a filter element of the filter needs to be replaced or not according to the pressure;
after the filtering capacity of the filter is reduced, the pressure relief pressure is adjusted through the pressure relief valve, and the cooling liquid filtered by the filter is completely conveyed to the linear cutting machine.
The following illustrates the advantages or principles of the invention:
1. the outlet of the filter is connected with a drain pipe which is communicated with the interior of the cooling liquid tank through a drainage assembly. When the filtering system works, cooling liquid in the cooling liquid tank is pumped into the filter through the working pump, the cooling liquid with the standard quantity filtered by the filter is conveyed to the linear cutting machine tool, the supply of the linear cutting machine tool is guaranteed, and redundant filtered cooling liquid is conveyed into the cooling liquid tank through the drain pipe and the drainage assembly. The coolant liquid in the coolant liquid incasement is through the loop filter back of filter to make the coolant liquid in the coolant liquid incasement more and more clean, improved the cleanliness factor, thereby the cleanliness factor that makes the coolant liquid of carrying to the wire cut electrical discharge machining bed good. Tests show that the content of impurities in the cooling liquid subjected to circulating filtration can be reduced by 75%, and the stability of the linear cutting machine tool is remarkably improved.
2. Be connected with the manometer on the inlet tube, the filter blocks up along with filtering the mesh in the use, and the water resistance is pressed and can be increased, presses the detection through the manometer to the water resistance to can directly embody the life-span state of the filter core of filter, be convenient for in time change the filter core.
3. The drain pipe passes through the relief valve and is connected with the bleeder line, can set up pressure release pressure through the relief valve. After the filter element of filter is used to a certain degree, the volume of filtering the coolant liquid can reduce to a certain threshold value, and at this moment, through the regulation of pressure relief valve, the coolant liquid after making the filtration is whole to be carried to linear cutting machine to guarantee the stable supply of linear cutting machine processing liquid.
Drawings
FIG. 1 is a schematic view showing the structure of a coolant filter system according to the present embodiment;
FIG. 2 is a schematic view of the working pump, filter and pressure relief assembly of the present embodiment;
FIG. 3 is another combination schematic diagram of the working pump, filter and pressure relief assembly of the present embodiment;
description of reference numerals:
10. a filter body; 20. a coolant tank; 30. a working pump; 40. a filter; 50. a drain pipe; 60. a drain assembly; 70. a pressure gauge; 80. a three-way valve; 90. a water inlet pipe; 100. a coolant delivery pipe; 110. a one-way valve; 61. a pressure relief valve; 62. a bleeder tube; 63. bending the pipe; 120. a filter fixing plate; 130. extracting the fixed plate; 140. a traveling wheel; 150. a handle.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the present invention more comprehensible to those skilled in the art, and will thus provide a clear and concise definition of the scope of the present invention.
As shown in fig. 1 to 3, in one embodiment, the present invention discloses a coolant filtering system for a wire cutting machine, which includes a filtering main body 10, wherein the filtering main body 10 is provided with a coolant tank 20, a working pump 30 and a filter 40. Wherein, the cooling liquid is arranged in the cooling liquid box 20, the cooling liquid in the cooling liquid box 20 is pumped to the filter 40 through the working pump 30, and the outlet of the filter 40 is connected with the linear cutting machine. The filter body 10 is further provided with a drain pipe 50 and a drain assembly 60, wherein one end of the drain pipe 50 is connected to an outlet of the filter 40, the other end of the drain pipe 50 is connected to the drain assembly 60, and the drain assembly 60 is communicated with the inside of the coolant tank 20.
In this embodiment, a drain pipe 50 is connected to an outlet of the filter 40, and the drain pipe 50 communicates with the inside of the coolant tank 20 through a drain assembly 60. When the filtering system works, the cooling liquid in the cooling liquid tank 20 is pumped into the filter 40 through the working pump 30, the standard amount of cooling liquid filtered by the filter 40 is conveyed to the linear cutting machine, the supply of the linear cutting machine is ensured, and the redundant filtered cooling liquid is conveyed into the cooling liquid tank 20 through the drain pipe 50 and the drainage assembly 60. The coolant liquid in the coolant liquid case 20 is behind the loop filter of filter 40 to make the coolant liquid in the coolant liquid case 20 more and more clean, improved the cleanliness factor, thereby the cleanliness factor of the coolant liquid of messenger's transport to the wire cut electrical discharge machining bed is good, and impurity content can reduce 75% in the coolant liquid, is showing the stability that promotes the wire cut electrical discharge machining bed.
The standard quantity refers to the supply quantity of the cooling liquid which can ensure the normal operation of the linear cutting machine.
Further, a pressure gauge 70 is further arranged on the filtering main body 10, a water outlet of the working pump 30 is connected with a water inlet of the filter 40 through a water inlet pipe 90, and the pressure gauge 70 is arranged at the connection position of the working pump 30 and the water inlet pipe 90. In order to realize the connection of the water inlet pipe 90, the working pump 30 and the pressure gauge 70, preferably, the water outlet of the working pump 30 is connected to a three-way valve 80, and the water inlet pipe 90 and the pressure gauge 70 are respectively connected to the three-way valve 80.
In the use process of the filter 40, the water resistance pressure can be increased along with the blockage of the filter meshes, the water resistance pressure is detected through the pressure gauge 70, and the service life state of the filter element of the filter 40 can be directly embodied through the water resistance pressure, so that the filter element can be conveniently replaced in time.
The outlet of the filter 40 is connected to a coolant delivery pipe 100, and the coolant delivery pipe 100 is connected to a check valve 110. The coolant after being filtered by the filter 40 is conveyed to the linear cutting machine through the coolant conveying pipe 100, and the check valve 110 is arranged, so that the coolant after being filtered by the filter 40 can be conveyed to the linear cutting machine, and meanwhile, the coolant on the linear cutting machine cannot flow back to the filter 40.
The drain assembly 60 of this embodiment includes a relief valve 61 and a drain pipe 62, the other end of the drain pipe 50 is connected to the relief valve 61, one end of the drain pipe 62 is connected to the relief valve 61, and the other end of the drain pipe 62 is disposed inside the coolant tank 20. Preferably, the relief valve 61 is connected with a bend 63, and the drain pipe 62 is connected with the relief valve 61 through the bend 63. After the filter element of the filter 40 is used to a certain extent, the amount of the filtered cooling liquid can be reduced to a certain threshold value, and at this time, the filtered cooling liquid is completely conveyed to the linear cutting machine tool through adjusting the pressure release valve 61, so that the stable supply of the machining liquid of the linear cutting machine tool is ensured.
A filter fixing plate 120 and a suction fixing plate 130 are fixed to an upper surface of the coolant tank 20, the operation pump 30 is fixed to the suction fixing plate 130, and the filter 40 is fixed to the filter fixing plate 120. When the working pump 30 is out of order, it can be repaired by removing the pumping fixing plate 130.
Preferably, a walking wheel 140 is fixed to the bottom of the filtering body 10, and a handle 150 is fixed to the side of the filtering body 10. The traveling of the filter body 10 is facilitated by the traveling wheels 140, and the filter body 10 can be pulled to travel by pulling the handle 150.
The invention discloses a filtering method of a cooling liquid filtering system of a linear cutting machine in another embodiment, which comprises the following steps:
the working pump 30 pumps the coolant in the coolant tank 20 and delivers the coolant to the filter 40;
the filter 40 filters the cooling liquid, and the filtered cooling liquid with a standard amount is conveyed to the linear cutting machine;
the filtered surplus coolant is conveyed to the interior of the coolant tank 20 through the drain pipe 50 and the drainage assembly 60, so that the coolant in the coolant tank 20 is circularly filtered.
In the present embodiment, when the coolant is pumped to the filter 40 by the working pump 30, the pressure on the inlet pipe 90 for delivering the coolant to the filter 40 is detected by the pressure gauge 70, and whether the filter element of the filter 40 needs to be replaced is determined by the pressure.
When the amount of the coolant filtered by the filter 40 decreases after the filtering capacity of the filter 40 decreases, the relief pressure is adjusted by the relief valve 61, and the entire coolant filtered by the filter 40 is sent to the wire cut electrical discharge machining tool.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.

Claims (10)

1. The utility model provides a coolant liquid filtration system of wire cut electrical discharge machining bed, includes and filters the main part, is equipped with coolant liquid case, working pump and filter in the filtering the main part, and the coolant liquid in the coolant liquid incasement passes through the working pump and extracts to the filter, and the export of filter links to each other with the wire cut electrical discharge machining bed, its characterized in that still is equipped with drain pipe and earial drainage subassembly in the filtering the main part, the one end of drain pipe links to each other with the export of filter, and the other end of drain pipe links to each other with the earial drainage subassembly, and the earial drainage subassembly communicates with each other with the coolant liquid incasement portion.
2. The cooling liquid filtering system of the wire-cut electrical discharge machining apparatus according to claim 1, wherein the filtering body is further provided with a pressure gauge, the water outlet of the working pump is connected to the water inlet of the filter through a water inlet pipe, and the pressure gauge is disposed at a connection position of the working pump and the water inlet pipe.
3. The coolant filtering system of a wire-cut electrical discharge machining apparatus according to claim 2 wherein the water outlet of the working pump is connected to a three-way valve, and the water inlet pipe and the pressure gauge are connected to the three-way valve, respectively.
4. The cooling liquid filtering system of the wire-cut electrical discharge machining apparatus according to any one of claims 1 to 3, wherein the drain assembly includes a pressure relief valve and a drain pipe, the other end of the drain pipe is connected to the pressure relief valve, one end of the drain pipe is connected to the pressure relief valve, and the other end of the drain pipe is disposed inside the cooling liquid tank.
5. The coolant filtering system for a wire-cut electrical discharge machining tool according to claim 4 wherein said pressure relief valve is connected to an elbow, said pressure relief tube being connected to said pressure relief valve via said elbow.
6. The coolant filtering system of the wire electric discharge machine according to claim 1, wherein the outlet of the filter is connected to a coolant supply pipe, and a check valve is connected to the coolant supply pipe.
7. The cooling liquid filtering system of the wire-cut electrical discharge machining apparatus according to any one of claims 1 to 3, wherein a filter fixing plate and a suction fixing plate are fixed to an upper surface of the cooling liquid tank, the operation pump is fixed to the suction fixing plate, and the filter is fixed to the filter fixing plate.
8. The cooling liquid filtering system for the wire-cut electrical discharge machining apparatus according to claim 1, wherein the filtering body has a traveling wheel fixed to a bottom thereof and a handle fixed to a side thereof.
9. The filtering method of the cooling liquid filtering system of the linear cutting machine is characterized by comprising the following steps:
the working pump extracts the cooling liquid in the cooling liquid tank and conveys the cooling liquid to the filter;
the filter filters the cooling liquid, and the filtered cooling liquid with a standard amount is conveyed to the linear cutting machine;
the filtered surplus cooling liquid is conveyed to the interior of the cooling liquid box through the drain pipe and the drainage assembly, and the circulating filtration of the cooling liquid in the cooling liquid box is achieved.
10. The filtering method of a cooling liquid filtering system of a wire cut electrical discharge machining tool according to claim 9, further comprising:
detecting the pressure on a water inlet pipe for conveying cooling liquid to the filter through a pressure gauge, and judging whether a filter element of the filter needs to be replaced or not according to the pressure;
after the filtering capacity of the filter is reduced, the pressure relief pressure is adjusted through the pressure relief valve, and the cooling liquid filtered by the filter is completely conveyed to the linear cutting machine.
CN202211189413.XA 2022-09-28 2022-09-28 Cooling liquid filtering system and method for linear cutting machine Pending CN115382272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211189413.XA CN115382272A (en) 2022-09-28 2022-09-28 Cooling liquid filtering system and method for linear cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211189413.XA CN115382272A (en) 2022-09-28 2022-09-28 Cooling liquid filtering system and method for linear cutting machine

Publications (1)

Publication Number Publication Date
CN115382272A true CN115382272A (en) 2022-11-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116441994A (en) * 2023-04-21 2023-07-18 群志数控装备(苏州)有限公司 Cooling liquid circulating device of vertical machining center

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116441994A (en) * 2023-04-21 2023-07-18 群志数控装备(苏州)有限公司 Cooling liquid circulating device of vertical machining center
CN116441994B (en) * 2023-04-21 2023-12-01 群志数控装备(苏州)有限公司 Cooling liquid circulating device of vertical machining center

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