Cutting fluid purification apparatus

Abstract

The application discloses a cutting fluid purifying device, which comprises a water tank, a main shaft provided with a slide bar extending outward along the radial direction of the main shaft, a driving element for driving the main shaft to rotate around its own axis, a coiled electrolytic anode and a coiled electrolytic cathode coaxially arranged in the water tank, a coiled guide rail coaxially arranged with the main shaft, a slide base slidably connected with the slide bar and the guide rail so as to slide along the guide rail and the slide bar, a liquid pushing rod extending downward from the bottom of the slide base along the height direction of the water tank, a processing agent cavity in the slide base for placing a processing agent, an anode gas collecting cover and a cathode gas collecting cover coaxially arranged above the electrolytic anode and the electrolytic cathode respectively, an anode gas pipe in communication with the anode gas collecting cavity at one end and the processing agent cavity at the other end, and a cathode gas pipe in communication with the cathode gas collecting cavity at one end and the atmosphere at the other end.

Description

Technical Field

[0001] The present invention relates to a purification device, in particular to a cutting fluid purification device. Background Art

[0002] Cutting fluid, an essential lubricant and cooling medium during machining, accumulates chloride ions over time. Excessive chloride ion content, and the resulting increase in conductivity, can accelerate corrosion and rusting of tools, fixtures, and workpieces, impacting product quality. Furthermore, the growth of anaerobic bacteria in the cutting fluid can cause odor, impacting the production environment, and acidification of oils and fats, affecting the performance of the cutting fluid.

[0003] At present, when the machining industry encounters cutting fluids with too high chloride ion content, the method of replacing cutting fluids is often adopted to meet the production process requirements, which results in high usage costs.

[0004] In addition, another method is to use activated carbon and filter membrane to filter the cutting fluid to remove impurities in the cutting fluid.

[0005] In addition, another method is to use additives, such as pH regulators, preservatives, etc. to alleviate the harm caused by excessive chloride ion concentration. Summary of the Invention

[0006] The object of the present invention is to provide a cutting fluid purification device, which can electrolyze the cutting fluid to produce a mixed gas of chlorine and oxygen at the electrolysis anode, thereby purifying the cutting fluid and reducing the amount of chloride ions and electrical conductivity in the cutting fluid.

[0007] In order to achieve the above object, the present invention proposes a cutting fluid purification device, which includes:

[0008] a water tank for containing cutting fluid;

[0009] A main shaft is disposed in the water tank, and a sliding rod is provided on the main shaft and extends outward in a radial direction thereof;

[0010] a driving element connected to the main shaft to drive the main shaft to rotate around its own axis;

[0011] An electrolytic anode arranged in a spiral manner and connected to a power source, wherein the main shaft of the electrolytic anode is coaxially arranged in the water tank;

[0012] a spirally arranged electrolytic cathode connected to a power source, the electrolytic cathode being coaxially arranged with the main shaft in the water tank and nested with the electrolytic anode;

[0013] A spirally extending guide rail is coaxially arranged with the main shaft above the electrolysis anode and the electrolysis cathode;

[0014] a sliding seat, which is slidably connected to the sliding rod and the guide rail, so as to be able to slide along the guide rail and the sliding rod at the same time; a liquid diverter rod extending downward along the height direction of the water tank is provided at the bottom of the sliding seat; a treatment agent cavity is provided in the sliding seat, and a treatment agent is placed in the treatment agent cavity;

[0015] An anode gas collecting cover arranged in a spiral manner is correspondingly arranged above the electrolysis anode, and the anode gas collecting cover and the cutting fluid surface form an anode gas collecting cavity;

[0016] an anode gas pipe, one end of which is connected to the anode gas collecting chamber and the other end of which is connected to the treatment agent chamber in the sliding seat;

[0017] A spirally arranged cathode gas collecting cover is correspondingly arranged above the electrolytic cathode, wherein the cathode gas collecting cover and the cutting fluid surface form a cathode gas collecting cavity;

[0018] The cathode gas pipe has one end connected to the cathode gas collecting chamber and the other end connected to the atmosphere.

[0019] The cutting fluid purification equipment described in the present invention electrolyzes the cutting fluid to generate a mixed gas of chlorine and oxygen at the electrolysis anode and hydrogen at the electrolysis cathode. The mixed gas is collected by the anode gas collecting hood above the electrolysis anode and sent to the treatment agent for filtration to remove harmful chlorine, thereby purifying the cutting fluid.

[0020] The cutting fluid purification device of the present invention adopts electrolytic anodes and electrolytic cathodes that are spirally arranged, which greatly increases the surface area in contact with the cutting fluid.

[0021] In addition, the liquid-dispensing rod sliding along the spiral guide rail can fully mix the cutting fluid and fully contact it with the electrode, greatly improving the electrolysis efficiency.

[0022] Furthermore, in the cutting fluid purification device described in the present invention, a distal travel switch is provided at the free end of the slide rod, and a proximal travel switch is provided at the other end close to the slide rod.

[0023] The limit switch is used to control the two extreme positions of the sliding seat sliding along the sliding rod.

[0024] Furthermore, in the cutting fluid purification device described in the present invention, the driving element includes a motor.

[0025] Furthermore, the cutting fluid purification device of the present invention further comprises an oxygen tube, one end of which is connected to the treatment agent cavity, and the other end of which is inserted into the cutting fluid.

[0026] The oxygen tube is used to input chlorine-filtered oxygen into the cutting fluid. This setting can increase the oxygen content of the cutting fluid, thereby inhibiting the growth of anaerobic bacteria.

[0027] Furthermore, in the cutting fluid purification equipment of the present invention, an oxygen dispersion head is provided on the oxygen pipe.

[0028] An oxygen dispersion head is provided at the end of the oxygen tube where the cutting fluid is introduced. The oxygen dispersion head generates negative pressure through a small motor-driven pump and maintains a certain negative pressure through a pressure sensor to ensure that oxygen can be extracted and input into the cutting fluid even when the oxygen pressure is insufficient.

[0029] Furthermore, in the cutting fluid purification device of the present invention, the sliding seat includes:

[0030] an upper seat, which is slidably connected to the slide rod, and has the treatment agent cavity therein;

[0031] a base connected to the upper base, and the liquid diverting rod is provided on the base;

[0032] The rollers are arranged in pairs and are arranged between the upper seat and the base. The rollers are clamped on both sides of the guide rail through their outer circumferential surfaces. The rollers can roll along the guide rail to enable the sliding seat to slide along the guide rail.

[0033] Furthermore, the cutting fluid purification equipment described in the present invention also includes an impeller, which is arranged at the bottom of the water tank, and the impeller is connected to the main shaft.

[0034] The impeller located at the bottom of the water tank is used to stir the cutting fluid.

[0035] Furthermore, in the cutting fluid purification equipment described in the present invention, the water tank is square.

[0036] Due to the limitations of the production site environment, in order to maximize the use of space, the present invention preferably adopts a square water tank.

[0037] Furthermore, the cutting fluid purification device of the present invention also includes a brush assembly, and the brush assembly includes a brush, which is arranged against the inner wall of the water tank.

[0038] In order to clean the dirt on the water tank wall, the present invention is provided with a moving brush arranged close to the inner wall of the water tank in a preferred embodiment.

[0039] Furthermore, in the cutting fluid purification device of the present invention, the brush assembly further includes:

[0040] a cantilever connected to the main shaft and extending in the radial direction of the main shaft, the cantilever being provided with a slide groove extending in the radial direction of the main shaft, the upper portion of the brush being arranged in the slide groove and being able to slide along the slide groove;

[0041] a spring guide rod, which is provided on the cantilever, and the extending direction of the spring guide rod is consistent with the extending direction of the cantilever;

[0042] A spring is sleeved on the spring guide rod, with both ends of the spring limited by the upper portion of the brush and the protrusion of the cantilever, so that the spring applies elastic force to the brush, so that the brush is placed closely against the inner wall of the water tank;

[0043] The roller sleeve is sleeved on the brush in an axially limited manner.

[0044] In this way, when the main shaft rotates, the brush can also slide along the slide groove, and the roller sleeve rolls in contact with the inner wall of the water tank, so that the brush can clean along the water tank wall and prevent bacteria from growing and depositing on the water tank wall.

[0045] The cutting fluid purification equipment of the present invention has the following advantages and beneficial effects:

[0046] The cutting fluid purification equipment described in the present invention electrolyzes the cutting fluid to generate a mixed gas of chlorine and oxygen at the electrolysis anode and hydrogen at the electrolysis cathode. The mixed gas is collected by the anode gas collecting hood above the electrolysis anode and sent to the treatment agent for filtration to remove harmful chlorine, thereby purifying the cutting fluid.

[0047] The cutting fluid purification device of the present invention adopts electrolytic anodes and electrolytic cathodes that are spirally arranged, which greatly increases the surface area in contact with the cutting fluid.

[0048] In addition, the liquid-dispensing rod sliding along the spiral guide rail can fully mix the cutting fluid and fully contact it with the electrode, greatly improving the electrolysis efficiency.

[0049] In a preferred embodiment of the present invention, the oxygen generated by the anode can be input into the cutting fluid, thereby increasing the oxygen content of the cutting fluid and inhibiting the growth of anaerobic bacteria.

[0050] In a preferred embodiment of the present invention, the brush moving with the main shaft can clean along the inner wall of the water tank to prevent bacteria from growing and depositing on the water tank wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 A schematic diagram of the overall structure of the cutting fluid purification equipment described in the present invention in one embodiment is shown.

[0052] Figure 2 A side view of a cutting fluid purification device according to an embodiment of the present invention is shown.

[0053] Figure 3 Shows Figure 2 Cross-sectional view at LL.

[0054] Figure 4 ShowsFigure 3 A partial enlarged view of point VIII in the middle.

[0055] Figure 5 A cross-sectional view of the cutting fluid purification device according to the present invention is shown at one viewing angle in one embodiment.

[0056] Figure 6 A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0057] Figure 7 show Figure 5 A partial enlarged view of point III in the middle.

[0058] Figure 8 Shows Figure 6 A partial enlarged view of the X in the middle.

[0059] Figure 9 A schematic structural diagram of the electrolytic anode of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0060] Figure 10 A schematic structural diagram of an anode gas collecting hood of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0061] Figure 11 Shows Figure 10 A partial enlarged view of point IX in the middle.

[0062] Figure 12 A schematic structural diagram of the guide rails of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0063] Figure 13 A travel switch of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0064] Figure 14 Shows Figure 6 A partial enlarged view of point XI in the middle.

[0065] Figure 15 A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0066] Figure 16 Shows Figure 15 A partial enlarged view of point VI in the middle.

[0067] Figure 17 The figure shows the cantilever and the main shaft of the cutting fluid purification device according to one embodiment of the present invention.

[0068] Figure 18A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0069] Figure 19 Shows Figure 17 A local enlarged view of point IV in the middle. DETAILED DESCRIPTION

[0070] The cutting fluid purification device of the present invention will be further explained and illustrated below in conjunction with the accompanying drawings and specific embodiments of the specification. However, such explanation and illustration do not constitute an undue limitation to the technical solution of the present invention.

[0071] Figure 1 A schematic diagram of the overall structure of the cutting fluid purification equipment described in the present invention in one embodiment is shown.

[0072] Figure 2 A side view of a cutting fluid purification device according to an embodiment of the present invention is shown.

[0073] Figure 3 Shows Figure 2 Cross-sectional view at LL.

[0074] Figure 4 Shows Figure 3 A partial enlarged view of point VIII in the middle.

[0075] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, in some embodiments, the cutting fluid purification device of the present invention may include: a square water tank 1, which contains cutting fluid; a main shaft 2 is arranged in the water tank 1, and a slide rod 5 extending outward along its radial direction is provided on the main shaft 2; a motor 3 as a driving element is arranged on a bracket 4, and the motor 3 and the main shaft 2 are connected by a coupling 41 and a pin 42 (as shown in FIG. Figure 16 ) is connected to drive the main shaft 2 to rotate around its own axis; the electrolytic anode 6 (for example, Figure 9As shown), it is coaxially arranged in the water tank 1 with the main shaft 2; the spirally arranged anode gas collecting cover 8 is correspondingly arranged above the electrolytic anode 6; the spirally arranged electrolytic cathode 7 connected to the power supply is coaxially arranged in the water tank 1 with the main shaft 2 and nested with the electrolytic anode; the spirally arranged cathode gas collecting cover 9 is correspondingly arranged above the electrolytic cathode 7, and the cathode gas collecting cover 9 and the cutting fluid surface form a cathode gas collecting cavity; the spirally extending guide rail 10 is also coaxially arranged with the main shaft 2; the sliding seat is slidably connected to the slide bar 5 and the guide rail 10, respectively. In order to be able to slide along the guide rail 10 and the slide rod 5 at the same time, the bottom of the sliding seat has a liquid-diverting rod 11 extending downward along the height direction of the water tank 1. In some more specific examples, the liquid-diverting rod 11 can be cylindrical, and there is a gap between it and the electrolytic anode surface and the electrolytic cathode surface on both sides of it. In some specific examples, the gap is greater than 1 mm; there is a treatment agent cavity in the sliding seat, and a treatment agent 12 is placed in the treatment agent cavity. In some specific examples, the treatment agent can be a sodium hydroxide bag.

[0076] Figure 5 A cross-sectional view of the cutting fluid purification device according to the present invention is shown at one viewing angle in one embodiment.

[0077] Figure 6 A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0078] Figure 7 show Figure 5 A partial enlarged view of point III in the middle.

[0079] Figure 8 Shows Figure 6 A partial enlarged view of the X in the middle.

[0080] like Figure 5 、 Figure 6 、 Figure 7 and Figure 8 As shown, the anode gas collecting cover 8 and the cutting fluid surface P form an anode gas collecting cavity, one end of the anode gas pipe 13 is connected to the anode gas collecting cavity, and the other end is connected to the treatment agent cavity Q in the sliding seat; the cathode gas pipe 14, one end of which is connected to the cathode gas collecting cavity, and the other end is connected to the atmosphere.

[0081] Figure 9 A schematic structural diagram of the electrolytic anode of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0082] like Figure 9 Shown, electrolysis anode 6 is spirally arranged, and it has a certain extension height in the height direction of the water tank.In addition, electrolysis anode also has support columns 61, for example at least three support columns 61, thereby is used for electrolysis anode 6 being stably supported and arranged in the water tank.

[0083] The electrolytic cathode has the same structure as the electrolytic anode, so it will not be described here in detail.

[0084] Figure 10 A schematic structural diagram of the anode gas collecting cover of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0085] Figure 11 Shows Figure 10 A partial enlarged view of point IX in the middle.

[0086] like Figure 10 and Figure 11 As shown, in order to adapt to the electrolytic anode, the anode gas collecting cover 8 arranged above the electrolytic anode is also arranged in a spiral shape, which is used to collect oxygen and chlorine produced by the electrolytic anode.

[0087] The cathode gas collecting hood correspondingly arranged above the electrolytic cathode has the same structure as the anode gas collecting hood, so it will not be described in detail here. The cathode gas collecting hood is used to collect hydrogen generated by the electrolytic cathode.

[0088] Figure 12 A schematic structural diagram of the guide rails of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0089] like Figure 12 As shown, the guide rail 10 also extends in a spiral shape. In addition, a supporting foot 101 is provided on the guide rail 10 to stably support the guide rail 10 in the water tank.

[0090] In addition, in a preferred embodiment of the present invention, Figure 8 As shown, the cutting fluid purification device also includes an oxygen tube 15, one end of which is connected to the treatment agent cavity Q and the other end is inserted into the cutting fluid. The oxygen tube 15 has an oxygen dispersion head 151 (such as Figure 3 As shown, the oxygen dispersion head 151 generates negative pressure through a small motor-driven pump, and a pressure sensor maintains a certain negative pressure to ensure that oxygen can be extracted and input into the cutting fluid even when the oxygen pressure is insufficient. This configuration can increase the oxygen content of the cutting fluid, thereby inhibiting the growth of anaerobic bacteria.

[0091] Continue reading Figure 4In some embodiments, the sliding seat may include: an upper seat 17, an upper seat cover 171 on the upper seat 17, the upper seat 17 is slidably connected to the slide rod 5 through a hole, the base 18 is fixedly connected to the upper seat 17 by bolts 19, and a pair of rollers 21 are respectively inserted into the holes of the upper seat 17 and the base 18. The outer circumference of the roller 21 contacts the two side surfaces of the guide rail 10, and the roller 21 can roll along the side of the guide rail 10 to realize the sliding of the sliding seat along the guide rail. The upper part of the upper seat 17 is connected to the slide rod 5 through a partition 22 with holes (such as Figure 8 The space is divided into two parts as shown in FIG. 2 , and a treatment agent 12 such as a sodium hydroxide bag is provided on the upper part of the partition 22. The outer skin of the bag is a breathable fabric, and the anode gas pipe is connected to the lower part of the partition 22 on the upper seat.

[0092] Figure 13 A travel switch of the cutting fluid purification device according to one embodiment of the present invention is shown.

[0093] like Figure 13 As shown, in a preferred embodiment, the fixed end of the slide rod 5 is inserted into the hole on the upper part of the main shaft 2, and a distal travel switch 201 is provided at its free end, and a proximal travel switch 202 is also provided near the fixed end of the slide rod. These two travel switches are used to control the two extreme positions of the sliding seat sliding along the slide rod.

[0094] Continue reading Figure 3 In some preferred embodiments of the present invention, an impeller 16 is further provided at the bottom of the water tank. Figure 14 As shown, the impeller pin 161 of the impeller 16 is fixedly connected to the main shaft 2. The end of the main shaft 2 is inserted into the main shaft seat 111 at the bottom of the water tank. The impeller 16 located at the bottom of the water tank is used to stir the cutting fluid.

[0095] Figure 15 A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0096] Figure 16 Shows Figure 15 A partial enlarged view of point VI in the middle.

[0097] like Figure 15 and Figure 16 As shown, in some preferred embodiments of the present invention, the cutting fluid purification device further includes a brush assembly.

[0098] The brush assembly includes Figure 17 The cantilever 31 shown is connected to the main shaft 2 so as to be rotatable by the main shaft. The cantilever 31 extends radially along the main shaft and is provided with a slot 311 extending radially along the main shaft. The cantilever 31 also has a protrusion 312 with a hole for a spring guide rod to pass through.

[0099] Continue reading Figure 15 The brush assembly also includes a brush 35, the upper part of which is arranged in the slide groove 311 and can slide along the slide groove 311; the spring guide rod 32 is arranged on the cantilever 31 through the hole on the protrusion 312, and the extension direction of the spring guide rod 32 is consistent with the extension direction of the cantilever 31; the spring 33 is sleeved on the spring guide rod 32, and there is a hole on the upper part of the brush to insert the spring guide rod, and the two ends of the spring 33 respectively abut against the upper part of the brush and the protrusion 312 of the cantilever, so that the spring 33 applies elastic force to the brush 35.

[0100] Figure 18 A cross-sectional view of the cutting fluid purification device according to one embodiment of the present invention is shown from another perspective.

[0101] Figure 19 Shows Figure 18 A local enlarged view of point IV in the middle.

[0102] like Figure 15 and Figure 19 As shown, the middle part of the brush 35 is covered with a roller sleeve 36, and a groove is provided below the corresponding roller sleeve on the brush. The roller sleeve 36 is axially limited on the brush by a retaining spring 37 disposed in the groove. During the rotation of the main shaft, the outer circumferential surface of the roller sleeve 36 is in rolling contact with the inner wall of the water tank. The lower part of the brush is provided with a soft bristle, which enables the brush to clean the inner wall of the water tank and prevent the growth and deposition of bacteria on the wall of the water tank.

[0103] During operation, the cutting fluid purification device introduces the cutting fluid to be purified into the water tank 1, ensuring that the fluid level submerges the electrolytic anode and cathode. The motor 3 rotates the main shaft 2. Under the elastic force of the spring 33, the roller sleeve 36 contacts the inner wall of the square water tank 1 and moves along its inner surface. The impeller 16 at the bottom of the main shaft 2 agitates the cutting fluid. The roller 21 performs a spiral motion guided by the guide rail 10. Simultaneously, the sliding seat moves along the slide rod 5. A limit switch is mounted on the slide rod 5. When the sliding seat approaches the limit switch, a signal is triggered, causing the motor 3 to reverse direction, causing the sliding seat to reciprocate on the slide rod 5 while simultaneously performing a clockwise and counterclockwise spiral motion along the guide rail 10. The liquid-displacing rod 11 moves the cutting fluid within the spiral space formed by the electrolytic cathode 7 and the electrolytic anode 6, ensuring full contact between the cutting fluid and the electrodes. Hydrogen gas is generated at the electrolytic cathode 7, collected by the cathode gas collector 9, and discharged through the cathode gas pipe 14. Chlorine gas is generated at the electrolytic anode 6. When the chloride ion concentration in the cutting fluid is low, oxygen is also generated at the electrolytic anode 6. These two gases are collected by the anode gas collector 8 and overflow through the anode gas pipe into the cavity below the separator 22. The chlorine is absorbed by the sodium hydroxide pack placed on the separator 22, and the oxygen enters the cavity above the separator. When the oxygen reaches a certain pressure, it is pumped into the cutting fluid through the oxygen pipe 15, increasing the oxygen content of the cutting fluid and inhibiting anaerobic bacteria.

[0104] It should be noted that the prior art part in the scope of protection of the present application is not limited to the embodiments given in the present application file, all prior art not contradictory to the scheme of the present application, including but not limited to prior patent documents, prior published publications, prior public uses, etc., can be included in the scope of protection of the present application.

[0105] In addition, the combination manner of each technical feature in the present case is not limited to the combination manner recorded in the claims of the present case or the combination manner recorded in the specific embodiments, all technical features recorded in the present case can be freely combined or combined in any manner, unless contradictory to each other.

[0106] It should also be noted that the above-mentioned embodiments are only specific embodiments of the present application. Obviously, the present application is not limited to the above embodiments, and similar changes or modifications made by those skilled in the art from the content disclosed by the present application or easily thought of should be within the scope of protection of the present application.

Claims

1. A cutting fluid purification device, characterized in that: include: a water tank for containing cutting fluid; A main shaft is disposed in the water tank, and a sliding rod is provided on the main shaft and extends outward in a radial direction thereof; a driving element connected to the main shaft to drive the main shaft to rotate around its own axis; a spirally arranged electrolytic anode connected to a power source, wherein the electrolytic anode is coaxially arranged with the main shaft in the water tank; A spirally arranged electrolytic cathode connected to a power source, wherein the main axis of the electrolytic cathode is coaxially arranged in the water tank and nested with the electrolytic anode; a spirally extending guide rail disposed coaxially with the main shaft; a sliding seat, which is slidably connected to the sliding rod and the guide rail, so as to be able to slide along the guide rail and the sliding rod at the same time; a liquid diverter rod extending downward along the height direction of the water tank is provided at the bottom of the sliding seat; a treatment agent cavity is provided in the sliding seat, and a treatment agent is placed in the treatment agent cavity; An anode gas collecting cover arranged in a spiral manner is correspondingly arranged above the electrolysis anode, and the anode gas collecting cover and the cutting fluid surface form an anode gas collecting cavity; an anode gas pipe, one end of which is connected to the anode gas collecting chamber and the other end of which is connected to the treatment agent chamber in the sliding seat; A spirally arranged cathode gas collecting cover is correspondingly arranged above the electrolytic cathode, wherein the cathode gas collecting cover and the cutting fluid surface form a cathode gas collecting cavity; The cathode gas pipe has one end connected to the cathode gas collecting chamber and the other end connected to the atmosphere.

2. The cutting fluid purification device according to claim 1, characterized in that: The free end of the slide rod is further provided with a far-end travel switch, and the other end close to the slide rod is provided with a near-end travel switch.

3. The cutting fluid purification device according to claim 1, characterized in that: The driving element includes a motor.

4. The cutting fluid purification device according to claim 1, characterized in that: The device also comprises an oxygen tube, one end of which is communicated with the treatment agent cavity, and the other end of which is inserted into the cutting fluid.

5. The cutting fluid purification device according to claim 4, characterized in that: An oxygen dispersing head is provided on the oxygen pipe.

6. The cutting fluid purification device according to claim 1, characterized in that: The sliding seat comprises: an upper seat, which is slidably connected to the slide rod, and has the treatment agent cavity therein; a base connected to the upper base, and the liquid diverting rod is provided on the base; The rollers are arranged in pairs and are arranged between the upper seat and the base. The rollers are clamped on both sides of the guide rail through their outer circumferential surfaces. The rollers can roll along the guide rail to enable the sliding seat to slide along the guide rail.

7. The cutting fluid purification device according to claim 1, characterized in that: It also includes an impeller, which is arranged at the bottom of the water tank, and the impeller is connected to the main shaft.

8. The cutting fluid purification device according to claim 1, characterized in that: The water tank is square.

9. The cutting fluid purification device according to any one of claims 1 to 8, characterized in that: The utility model also comprises a brush assembly, wherein the brush assembly comprises a brush which is arranged against the inner wall of the water tank.

10. The cutting fluid purification device according to claim 9, characterized in that: The brush assembly further comprises: a cantilever connected to the main shaft and extending in the radial direction of the main shaft, the cantilever being provided with a slide groove extending in the radial direction of the main shaft, the upper portion of the brush being arranged in the slide groove and being able to slide along the slide groove; a spring guide rod, which is provided on the cantilever, and the extension direction of the spring guide rod is consistent with the extension direction of the cantilever; A spring is sleeved on the spring guide rod, with both ends of the spring limited by the upper portion of the brush and the protrusion of the cantilever, so that the spring applies elastic force to the brush, so that the brush is placed closely against the inner wall of the water tank; The roller sleeve is sleeved on the brush in an axially limited manner.

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