CN113199102B

CN113199102B - Electric spark machine tool capable of effectively avoiding electric spark damage

Info

Publication number: CN113199102B
Application number: CN202110598703.9A
Authority: CN
Inventors: 沈丽琴; 孔凡新; 王亮军; 金立艳; 唐妍; 陶雨濛
Original assignee: Nanjing Communications Institute of Technology
Current assignee: Nanjing Communications Institute of Technology
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-02
Anticipated expiration: 2041-05-31
Also published as: CN113199102A

Abstract

The invention relates to the technical field of electric spark machine tools, in particular to an electric spark machine tool capable of effectively avoiding damage caused by electric sparks, which comprises a box body, wherein a first liquid storage tank is arranged at the rear side of the box body, a first self-sucking pump is arranged at the top of the first liquid storage tank, a refrigerating box and a machining groove are arranged at the top of the box body, a serpentine pipeline is arranged in the refrigerating box, the first self-sucking pump is connected with the input end of the serpentine pipeline through a first liquid feeding pipe, the output end of the serpentine pipeline is connected with an immersion liquid input pipe, and a machining table is arranged in the middle of the bottom of the inner wall of the machining groove. This can effectively avoid electric spark to cause electric spark machine tool of damage, cool down through the working fluid of refrigeration case to first liquid reserve tank output, and the working fluid in the first liquid reserve tank is continuous output, makes the working fluid in the processing groove be in mobile state, avoids producing high temperature, can water the electric spark that produces to this electric spark machine tool during operation through second self priming pump, second liquid reserve tank, connecting pipe, gooseneck and atomizer, avoids the production of naked light.

Description

Electric spark machine tool capable of effectively avoiding electric spark damage

Technical Field

The invention relates to the technical field of electric spark machine tools, in particular to an electric spark machine tool which can effectively avoid damage caused by electric sparks.

Background

The spark machine is an electric machining device, the basic physical principle of which is that free positive ions and electrons accumulate in a field, an ionized conductive channel is quickly formed, at this stage, current is formed between two plates, so that countless collisions occur between particles, a plasma is formed, the temperature is quickly raised to a high temperature of 8000-12000 ℃, materials are instantly melted on the surfaces of two conductors, meanwhile, a bubble is formed due to the vaporization of the electrode and dielectric liquid, and the pressure of the bubble is regularly raised until the pressure is very high; then the current is interrupted, the temperature is suddenly reduced, bubbles are caused to explode inwards, the generated power throws the dissolved substances out of the crater, and then corroded materials are condensed into small spheres in the dielectric liquid again and are discharged by the dielectric liquid; then, the NC control monitoring and control is carried out by the servo mechanism, so that the discharge phenomenon is uniform and consistent, and the machined object is machined to become a product with the required size and shape precision.

Because an electric spark machine tool can generate high temperature during machining and easily generates sparks, the electrode and a workpiece to be machined need to be subjected to injection machining liquid treatment during machining, the existing machining liquid injection mode has a limited effect on eliminating electric sparks, and the dielectric liquid in a machining groove of the existing electric spark machine tool is injected well during machining, so that the temperature of the dielectric liquid can be increased after long-time machining, the high-temperature dielectric liquid can transfer the temperature to the machine tool, certain influence can be caused on the electric spark machine tool, and the damage to elements in the electric spark machine tool can be caused seriously.

Disclosure of Invention

The invention aims to provide an electric spark machine tool capable of effectively avoiding damage caused by electric sparks, and aims to solve the problems that the existing injection mode of machining liquid in the background technology is limited in electric spark elimination effect, the dielectric liquid in a machining groove of the existing electric spark machine tool is well injected during machining, the temperature of the dielectric liquid is increased after long-time machining, the high-temperature dielectric liquid can transfer the temperature to the machine tool, certain influence is caused on the electric spark machine tool, and elements in the electric spark machine tool can be damaged if the temperature is serious.

In order to achieve the purpose, the invention provides the following technical scheme:

an electric spark machine tool capable of effectively avoiding electric sparks from causing damage comprises a box body, wherein a first liquid storage box is arranged on the rear side of the box body, a first self-sucking pump is arranged at the top of the first liquid storage box and is connected with the inside of the first liquid storage box through a first liquid sucking pipe, a refrigerating box and a machining groove are arranged at the top of the box body, the refrigerating box is located on the rear side of the top of the box body, a serpentine pipeline is arranged in the refrigerating box, the first self-sucking pump is connected with the input end of the serpentine pipeline through a first liquid feeding pipe, the output end of the serpentine pipeline is connected with symmetrically-arranged immersion liquid input pipes through a three-way pipe, the end part of the immersion liquid input pipe penetrates through the inner wall of the refrigerating box to a position close to the bottom of the inner wall of the machining groove, the top of the refrigerating box is connected with an X-axis supporting table through a linear motor, and the top of the X-axis supporting table is connected with a Y-axis supporting table through a linear motor, the front end of the Y-axis supporting table is provided with a Z-axis supporting table, the bottom end of the Z-axis supporting table is provided with a processing part, the middle part of the bottom of the inner wall of the processing tank is provided with a processing table, the bottom of the inner wall of the processing tank is provided with a connecting pipe close to the rear side, the bottom end of the connecting pipe penetrates through the bottom of the inner wall of the processing tank, the top end of the connecting pipe is connected with a gooseneck pipe, the bottom of the inner wall of the processing tank is provided with a spillover pipe and a liquid outlet close to the lower right corner, the top of the inner wall of the liquid outlet is movably connected with a sealing mechanism, a first storage bin and a second storage bin are arranged in the front side of the box body, a waste liquid tank and a second liquid storage tank are arranged in the first storage bin, the top of the waste liquid tank is provided with a first liquid conveying pipe, the top of the second liquid storage tank is provided with a second liquid conveying pipe, and the top of the inner wall of the first storage bin is provided with a symmetrically distributed L-shaped positioning plate, two sliding support has the filtrate groove between the L shape locating plate, the filtrate groove is located the below of leakage fluid dram and overflow pipe, be equipped with the filter in the filtrate groove, the bottom in filtrate groove is connected with the catheter, catheter and first transfer line intercommunication, the first left side of putting the thing storehouse inner wall and the position that is close to the top is equipped with the second self priming pump, the input of second self priming pump is connected with the second liquid suction pipe, the inside of second transfer line to second liquid reserve tank is passed to the one end that the second self priming pump was kept away from to the second liquid suction pipe, the second self priming pump is connected with the bottom of connecting pipe through the second liquid delivery pipe.

Preferably, a refrigerating device is arranged in the refrigerating box, and the refrigerating device adopts a vapor compression type refrigerating mode.

Preferably, an atomizing nozzle is arranged at one end, far away from the connecting pipe, of the gooseneck.

Preferably, the top end of the overflow pipe is higher than the top of the processing table, and a filter screen is arranged at an opening at the top end of the overflow pipe.

Preferably, sealing mechanism includes the rubber buffer, the external diameter of rubber buffer with the internal diameter looks adaptation of leakage fluid dram, the top of rubber buffer is equipped with the limiting plate, the diameter of limiting plate is greater than the diameter of rubber buffer, the middle part at limiting plate top is equipped with the connecting rod, the top of connecting rod is higher than the top of overflow pipe, the top of connecting rod is equipped with the pull ring.

Preferably, the first opening part of putting the thing storehouse is articulated to have two to open the door, the second is put the opening part of thing storehouse and is articulated to have singly opened the door, the second is put and has been placed the fire extinguisher of multiple model in the thing storehouse.

Preferably, the front side of waste liquid case and the position that is close to the bottom are equipped with first fluid-discharge tube, the front side of second liquid storage case and the position that is close to the bottom are equipped with the second fluid-discharge tube, the top of second liquid storage case still is equipped with annotates the liquid pipe, the outer wall of first transfer line, first fluid-discharge tube, second transfer line, second fluid-discharge tube and notes liquid pipe all is equipped with the control valve.

Preferably, the second liquid suction pipe and the liquid guide pipe are both flexible pipes.

Preferably, the top of the inner wall of the first storage bin is provided with a baffle at the position behind the two L-shaped positioning plates, and the two ends of the front side of the baffle are respectively bonded with the rear sides of the two L-shaped positioning plates.

Preferably, a handle is arranged in the middle of the front side of the filtrate tank.

Compared with the prior art, the invention has the beneficial effects that:

1. this can effectively avoid electric spark to cause electric spark to damage spark machine tool, the refrigeration case through being equipped with is to the processing fluid of following first liquid reserve tank output and is cooled down the processing, and this spark machine tool is adding man-hour, the processing fluid in the first liquid reserve tank is continuous output, high temperature processing liquid in the processing groove can spill over through the overflow pipe, thereby make the processing liquid in the processing groove be in the mobile state, and the temperature can not be too high, and then avoid appearing high temperature processing liquid and carry out the hot-conducting condition to the lathe, protect the component in this spark machine tool.

2. This can effectively avoid electric spark to cause electric spark machine tool of damage can water the electric spark that produces to this electric spark machine tool during operation through second self priming pump, second liquid reserve tank, connecting pipe, gooseneck and the atomizer that is equipped with and go out, avoids the production of naked light to effectively prevent this electric spark machine tool to receive the damage of electric spark.

3. This can effectively avoid electric spark to cause electric spark machine tool of damage can filter the working fluid after using through the filtrate groove that is equipped with, makes the metal fillings in the waste liquid can be filtered, collects the waste liquid after filtering through the waste liquid case to the recycle of the waste liquid of being convenient for.

Drawings

FIG. 1 is a schematic overall first perspective view of the present invention;

FIG. 2 is a schematic view of an overall second perspective structure of the present invention;

FIG. 3 is a schematic diagram of a portion of the structure of the present invention;

FIG. 4 is a second partial schematic view of the present invention;

FIG. 5 is a schematic view of the sealing mechanism of the present invention;

FIG. 6 is a third schematic view of a portion of the present invention;

FIG. 7 is a schematic view of the waste liquid tank according to the present invention;

FIG. 8 is a fourth schematic view of a part of the present invention;

FIG. 9 is a schematic view of the structure of the filtrate tank of the present invention.

In the figure: a box body 1, a first storage bin 10, a double door 100, an L-shaped positioning plate 101, a baffle plate 102, a second storage bin 11, a single door 110, a first storage tank 2, a refrigeration tank 3, an immersion liquid input pipe 30, a processing tank 4, a liquid discharge port 40, a first self-priming pump 5, a first liquid suction pipe 50, a first liquid feeding pipe 51, an X-axis supporting platform 6, a Y-axis supporting platform 7, a Z-axis supporting platform 8, a processing part 9, a processing platform 12, a overflow pipe 13 and a sealing mechanism 14, rubber buffer 140, limiting plate 141, connecting rod 142, pull ring 143, connecting pipe 15, gooseneck 16, atomizer 17, waste liquid tank 18, first transfer line 180, first drain pipe 181, second liquid storage tank 19, second transfer line 190, second drain pipe 191, notes liquid pipe 192, fire extinguisher 20, second self priming pump 21, second suction pipe 210, second liquid delivery pipe 211, filtrate groove 22, filter 220, handle 221, catheter 222.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The invention discloses an electric spark machine tool capable of effectively avoiding damage caused by electric sparks, which comprises a box body 1, wherein a first liquid storage box 2 is arranged at the rear side of the box body 1 and used for storing machining liquid, a first self-sucking pump 5 is arranged at the top of the first liquid storage box 2, the first self-sucking pump 5 is connected with the inside of the first liquid storage box 2 through a first liquid sucking pipe 50, the machining liquid in the first liquid storage box 2 is sucked out by the first self-sucking pump 5 through the first liquid sucking pipe 50, a refrigerating box 3 and a machining groove 4 are arranged at the top of the box body 1, the refrigerating box 3 is positioned at the rear side of the top of the box body 1, a serpentine pipeline is arranged in the refrigerating box 3, the first self-sucking pump 5 is connected with the input end of the serpentine pipeline through a first liquid feeding pipe 51, the output end of the serpentine pipeline is connected with symmetrically arranged immersion liquid input pipes 30 through three-way pipes, the end of the immersion liquid input pipes 30 penetrates through the inner wall of the refrigerating box 3 to a position close to the bottom of the inner wall of the machining groove 4, the low-temperature processing liquid is guided into the processing tank 4 through two immersion liquid input pipes 30, the top of the refrigeration box 3 is connected with an X-axis supporting platform 6 through a linear motor in a driving way, the top of the X-axis supporting platform 6 is connected with a Y-axis supporting platform 7 through a linear motor in a driving way, the front end of the Y-axis supporting platform 7 is provided with a Z-axis supporting platform 8, the bottom end of the Z-axis supporting platform 8 is provided with a processing part 9, so that the processing part 9 can move in three dimensions, wherein the X-axis supporting platform 6, the Y-axis supporting platform 7, the Z-axis supporting platform 8 and the processing part 9 adopt corresponding component structures in the existing electric spark machine tool, the design is not included in the design of the invention, the technology known by technical personnel in the field is omitted for repeated description, the middle part at the bottom of the inner wall of the processing tank 4 is provided with a processing platform 12, the processing platform 12 also adopts corresponding components of the existing electric spark machine tool, the processing platform 12 adopts the principle of electromagnet, and can adsorb and fix the metal workpiece to be processed, the bottom of the inner wall of the processing tank 4 and the position close to the rear side are provided with a connecting pipe 15, the bottom end of the connecting pipe 15 penetrates through the bottom of the inner wall of the processing tank 4, the top end of the connecting pipe 15 is connected with a gooseneck 16, a user can conveniently adjust the position of a liquid outlet end through the gooseneck 16 to enable the liquid outlet end to be aligned with an electrode and a workpiece to be processed, a liquid overflow pipe 13 and a liquid outlet 40 are arranged at the bottom of the inner wall of the processing tank 4 and the position close to the lower right corner, in the invention, the processing liquid in the first liquid storage tank 2 is continuously output, the high-temperature processing liquid in the processing tank 4 can overflow through the liquid overflow pipe 13, so that the processing liquid in the processing tank 4 is in a flowing state, the temperature is not too high, the condition that the high-temperature processing liquid conducts heat to the machine tool is avoided, elements in the electric spark machine tool are protected, the top of the inner wall of the liquid outlet 40 is movably connected with a sealing mechanism 14, and the liquid outlet 40 is sealed during processing, a first storage bin 10 and a second storage bin 11 are arranged in the front side of the box body 1, a waste liquid box 18 and a second storage bin 19 are arranged in the first storage bin 10, a first infusion tube 180 is arranged at the top of the waste liquid box 18, a second infusion tube 190 is arranged at the top of the second storage bin 19, L-shaped positioning plates 101 which are symmetrically distributed are arranged at the top of the inner wall of the first storage bin 10, a filtrate tank 22 is slidably supported between the two L-shaped positioning plates 101, the filtrate tank 22 is positioned below the liquid discharge port 40 and the overflow tube 13, the overflow high-temperature processing liquid and the processed drain liquid can enter the filtrate tank 22, a filter plate 220 is arranged in the filtrate tank 22 and used for filtering metal chips in the waste liquid, a liquid guide tube 222 is connected to the bottom of the filtrate tank 22 and communicated with the first storage bin 180, the filtered processing liquid in the filtrate tank 22 is input into the waste liquid box 18 through the liquid guide tube 222, a self-priming pump 21 is arranged at the position, which is close to the left side of the inner wall of the first storage bin 10 and close to the top, the input of second self priming pump 21 is connected with second liquid suction pipe 210, and second liquid suction pipe 210 is kept away from the inside that second transfer line 190 to second liquid reserve tank 19 was passed to the one end of second self priming pump 21, and second self priming pump 21 passes through second liquid sending pipe 211 to be connected with the bottom of connecting pipe 15, inputs the working fluid in the second liquid reserve tank 19 in the gooseneck 16 through second self priming pump 21.

Example 2

In the above scheme, a refrigerating device is arranged in the refrigerating box 3, and the refrigerating device adopts a vapor compression type refrigerating mode, wherein a vapor compression type refrigerating system consists of a compressor, a condenser, an expansion valve and an evaporator, and the compressor, the condenser, the expansion valve and the evaporator are connected into a sealed system by pipelines; the refrigerant liquid is in heat exchange with the cooled object at low temperature in the evaporator, absorbs the heat of the cooled object and is gasified, and the generated low-pressure steam is sucked by the compressor and is discharged at high pressure after being compressed; the high-pressure gaseous refrigerant discharged by the compressor enters a condenser, is cooled by normal-temperature cooling water or air, and is condensed into high-pressure liquid; throttling when the high-pressure liquid flows through the expansion valve, changing the high-pressure liquid into a low-pressure low-temperature gas-liquid two-phase mixture, entering an evaporator, evaporating and refrigerating a liquid refrigerant in the evaporator, and sucking the generated low-pressure steam by the compressor again; the process is repeated in this way, and the circulation is continued, so that the inside of the refrigeration box 3 is in a low-temperature state, and the processing liquid passing through the coiled pipe is subjected to low-temperature treatment.

Example 3

In the scheme, the atomizing nozzle 17 is arranged at one end, away from the connecting pipe 15, of the gooseneck 16, so that the spraying range of the machining liquid is enlarged, the pouring and extinguishing treatment of electric sparks is more effective, and open fire is avoided.

Example 4

In the above scheme, the top of overflow pipe 13 is higher than the top of processing platform 12, ensures that the processing part of treating the machined part can dip in the processing liquid, and submerged cooling's method can play basically smokeless, does not produce the processing effect of flame, improves the security greatly, and the opening part on overflow pipe 13 top is equipped with the filter screen, because the internal diameter of overflow pipe 13 is less, sets up the filter screen and can prevent that overflow pipe 13 from being blockked up by accident.

Example 5

In the above scheme, sealing mechanism 14 includes rubber buffer 140, rubber buffer 140's external diameter and leakage fluid dram 40's internal diameter looks adaptation, ensure that rubber buffer 140 can seal leakage fluid dram 40, rubber buffer 140's top is equipped with limiting plate 141, limiting plate 141's diameter is greater than rubber buffer 140's diameter, under limiting plate 141's effect, can prevent that rubber buffer 140 from excessively inserting in leakage fluid dram 40, convenient to use person is to sealing mechanism 14's operation, the middle part at limiting plate 141 top is equipped with connecting rod 142, the top of connecting rod 142 is higher than the top of overflow pipe 13, avoid pull ring 143 and processing liquid contact, thereby prevent that user's hand from being infected with the processing liquid, the top of connecting rod 142 is equipped with pull ring 143, convenient to use person separates sealing mechanism 14 and leakage fluid dram 40.

Example 6

In the above scheme, the opening part of the first storage bin 10 is hinged with the double-door 100, so that a user can conveniently take and place the waste liquid tank 18, the second liquid storage tank 19 and the filtrate tank 22, the opening part of the second storage bin 11 is hinged with the single-door 110, and the second storage bin 11 is internally provided with the fire extinguishers 20 of various types for fire extinguishing treatment under emergency conditions, so that the situation that the electric spark machine tool cannot be put out when open fire occurs is avoided.

Example 7

In the above scheme, the front side of waste liquid tank 18 and the position that is close to the bottom are equipped with first fluid-discharge tube 181, the front side of second liquid storage tank 19 and the position that is close to the bottom are equipped with second fluid-discharge tube 191, the top of second liquid storage tank 19 still is equipped with notes liquid pipe 192 for supply the processing liquid in the second liquid storage tank 19 in the course of working, first transfer line 180, first fluid-discharge tube 181, second transfer line 190, the outer wall of second fluid-discharge tube 191 and notes liquid pipe 192 all is equipped with the control valve, in specific use, the user of being convenient for closes corresponding not used pipeline.

Example 8

In the above scheme, the second liquid suction pipe 210 and the liquid guide pipe 222 are both flexible pipes, and when a user needs to move out the waste liquid tank 18 and the second liquid tank 19, the second liquid suction pipe 210 and the liquid guide pipe 222 need to be separated from the second liquid tank 19 and the waste liquid tank 18 respectively, and the flexible pipes can facilitate the operation of the user.

Example 9

In the above solution, the baffle plate 102 is disposed at the top of the inner wall of the first storage compartment 10 and at the rear side of the two L-shaped positioning plates 101, the two ends of the front side of the baffle plate 102 are respectively bonded to the rear sides of the two L-shaped positioning plates 101, and the rear side of the filtrate tank 22 can be positioned by the baffle plate 102, so as to ensure that the filtrate tank 22 is located below the overflow pipe 13 and the liquid discharge port 40 after being placed.

Example 10

In the above solution, the middle part of the front side of the filtrate tank 22 is provided with a handle 221, which is convenient for a user to move out of the filtrate tank 22.

When the electric spark machine tool capable of effectively avoiding damage caused by electric sparks is used, a user firstly places a workpiece to be machined on a machining table 12, then a mechanical switch of the machining table 12 is turned on to fix the workpiece to be machined on the machining table 12, then the user calibrates an electrode of a machining part 9 with the workpiece to be machined, then a gooseneck pipe 16 moves an atomizing nozzle 17 to a position to be machined, then machining liquid in a first liquid storage tank 2 is input into a serpentine pipe in a refrigerating tank 3 through a first self-sucking pump 5, the machining liquid is cooled when passing through the serpentine pipe, low-temperature machining liquid is introduced into a machining tank 4 from two liquid inlet pipes 30, when the machining liquid submerges the machining position of the workpiece to be machined, the machine tool is started to start machining, at the moment, the machining liquid in a second liquid storage tank 19 is input into the gooseneck pipe 16 through a second self-sucking pump 21 and is sprayed out through the atomizing nozzle 17, in the machining process of the machine tool, the machining liquid in the first liquid storage tank 2 is processed at low temperature by the refrigerating tank 3 and then is continuously input into the machining tank 4, and the high-temperature machining liquid generated in the machining tank 4 overflows from the overflow pipe 13, so that the machining liquid in the machining tank 4 is in a flowing state, the condition that the high-temperature machining liquid conducts heat to the machine tool is avoided, and elements in the electric spark machine tool are protected; after the electric discharge machine tool is finished, the user separates the sealing mechanism 14 from the drain port 40, so that the waste liquid in the processing tank 4 is discharged from the drain port 40 into the filtrate tank 22, the metal chips in the waste liquid can be filtered by the filtrate tank 22, and the filtered waste liquid is guided into the waste liquid tank 18 through the liquid guide tube 222, thereby facilitating the recycling of the waste liquid.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a can effectively avoid electric spark to cause electric spark machine tool of damage which characterized in that: comprises a box body (1), a first liquid storage box (2) is arranged at the rear side of the box body (1), a first self-sucking pump (5) is arranged at the top of the first liquid storage box (2), the first self-sucking pump (5) is connected with the interior of the first liquid storage box (2) through a first liquid sucking pipe (50), a refrigerating box (3) and a processing groove (4) are arranged at the top of the box body (1), the refrigerating box (3) is positioned at the rear side of the top of the box body (1), a serpentine pipeline is arranged in the refrigerating box (3), the first self-sucking pump (5) is connected with the input end of the serpentine pipeline through a first liquid feeding pipe (51), the output end of the serpentine pipeline is connected with symmetrically arranged immersion liquid input pipes (30) through a three-way pipe, the end part of the immersion liquid input pipe (30) penetrates through the inner wall of the refrigerating box (3) to the position close to the bottom of the inner wall of the processing groove (4), the top of the refrigerating box (3) is connected with an X-axis supporting table (6) through the drive of a linear motor, the top of the X-axis supporting platform (6) is connected with a Y-axis supporting platform (7) through a linear motor in a driving mode, the front end of the Y-axis supporting platform (7) is provided with a Z-axis supporting platform (8), the bottom end of the Z-axis supporting platform (8) is provided with a processing part (9), the middle part of the bottom of the inner wall of the processing tank (4) is provided with a processing platform (12), the bottom of the inner wall of the processing tank (4) is provided with a connecting pipe (15) at a position close to the rear side, the bottom end of the connecting pipe (15) penetrates through the bottom of the inner wall of the processing tank (4), the top end of the connecting pipe (15) is connected with a gooseneck pipe (16), the bottom of the inner wall of the processing tank (4) is provided with a liquid overflow pipe (13) and a liquid discharge opening (40) at a position close to the lower right corner, the top of the inner wall of the liquid discharge opening (40) is movably connected with a sealing mechanism (14), a first article storage bin (10) and a second article storage bin (11) are arranged in the front side of the box body (1), a waste liquid tank (18) and a second liquid storage tank (19) are arranged in the first storage bin (10), a first liquid conveying pipe (180) is arranged at the top of the waste liquid tank (18), a second liquid conveying pipe (190) is arranged at the top of the second liquid storage tank (19), L-shaped positioning plates (101) which are symmetrically distributed are arranged at the top of the inner wall of the first storage bin (10), a filtrate tank (22) is slidably supported between the two L-shaped positioning plates (101), the filtrate tank (22) is positioned below a liquid discharge port (40) and a liquid overflow pipe (13), a filter plate (220) is arranged in the filtrate tank (22), a liquid guide pipe (222) is connected to the bottom of the filtrate tank (22), the liquid guide pipe (222) is communicated with the first liquid conveying pipe (180), a second self-sucking pump (21) is arranged on the left side of the inner wall of the first storage bin (10) and close to the top, and the input end of the second self-sucking pipe (210) is connected to the second self-sucking pipe (21), one end of the second liquid suction pipe (210) far away from the second self-sucking pump (21) penetrates through a second liquid conveying pipe (190) to the interior of the second liquid storage tank (19), and the second self-sucking pump (21) is connected with the bottom end of the connecting pipe (15) through a second liquid conveying pipe (211); the top end of the overflow pipe (13) is higher than the top of the processing table (12), and a filter screen is arranged at an opening at the top end of the overflow pipe (13); sealing mechanism (14) includes rubber buffer (140), the external diameter of rubber buffer (140) with the internal diameter looks adaptation of leakage fluid dram (40), the top of rubber buffer (140) is equipped with limiting plate (141), the diameter of limiting plate (141) is greater than the diameter of rubber buffer (140), the middle part at limiting plate (141) top is equipped with connecting rod (142), the top of connecting rod (142) is higher than the top of overflow pipe (13), the top of connecting rod (142) is equipped with pull ring (143).

2. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: a refrigerating device is arranged in the refrigerating box (3), and the refrigerating device adopts a vapor compression type refrigerating mode.

3. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: and an atomizing nozzle (17) is arranged at one end of the gooseneck (16) far away from the connecting pipe (15).

4. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: the first opening part of putting thing storehouse (10) is articulated to have two to open door (100), the second is put the opening part of thing storehouse (11) and is articulated to have singly opening door (110), fire extinguisher (20) of multiple model have been placed in the second is put thing storehouse (11).

5. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: the front side of waste liquid case (18) and the position that is close to the bottom are equipped with first fluid-discharge tube (181), the front side of second liquid reserve case (19) and the position that is close to the bottom are equipped with second fluid-discharge tube (191), the top of second liquid reserve case (19) still is equipped with notes liquid pipe (192), the outer wall of first transfer line (180), first fluid-discharge tube (181), second transfer line (190), second fluid-discharge tube (191) and notes liquid pipe (192) all is equipped with the control valve.

6. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: the second liquid suction pipe (210) and the liquid guide pipe (222) are both flexible pipes.

7. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: the top of the inner wall of the first storage bin (10) is located at the positions of the rear sides of the two L-shaped positioning plates (101) and is provided with a baffle (102), and the two ends of the front side of the baffle (102) are respectively bonded with the rear sides of the two L-shaped positioning plates (101).

8. An electric discharge machine tool effective for avoiding damage caused by electric discharge as claimed in claim 1, characterized in that: a handle (221) is arranged in the middle of the front side of the filtrate tank (22).