Cutting fluid filtering and recycling device

Abstract

The utility model relates to the field of filtering and recycling devices, in particular to a cutting fluid filtering and recycling device which comprises a first filtering box and a second filtering box, a second filter box used for further filtering the cutting fluid to remove grease in the cutting fluid is arranged below the first filter box; through driving of the circulating pump, used cutting fluid enters the first filter box through the guide-in pipe to be preliminarily filtered, so that particles and metal particles in the cutting fluid are removed, then the cutting fluid enters the second filter box through the connecting water pipe to be further filtered, so that grease in the cutting fluid is removed, and after the cutting fluid is used for a period of time, the cutting fluid enters the second filter box through the connecting water pipe. The first filter box and the second filter box are respectively opened, the filter structures are sequentially taken out and cleaned, and pollutants such as large particles, small particles and grease in the cutting fluid can be gradually removed through the multi-stage filter structures convenient to disassemble and assemble, so that the cutting fluid keeps high cleanliness, and the clean cutting fluid can reduce abrasion in the machining process.

Description

Technical Field

[0001] The utility model relates to the field of filtering and recirculating devices, in particular to a cutting fluid filtering and recirculating device. Background Art

[0002] Cutting fluid is an industrial liquid used in metal cutting and grinding processes to cool and lubricate tools and workpieces. Cutting fluid can absorb and take away a large amount of heat generated during the cutting process, reduce the temperature in the cutting area, prevent overheating of the workpiece and tool, reduce thermal deformation and tool wear, and improve processing quality and tool life. After the cutting fluid is used up, it can be purified to remove pollutants such as particles, grease, and metal particles, and then reused in the processing process. This technology is a common way of recycling cutting fluid in modern mechanical processing, and has multiple advantages such as improving production efficiency, reducing resource waste, protecting the environment, and reducing production costs.

[0003] Most of the existing cutting fluid filtering and recycling devices adopt a fixed single-layer filtering structure, which may cause the filtered cutting fluid to still contain a large amount of pollutants such as particles, grease, and metal particles, thereby affecting the subsequent use of the cutting fluid. At the same time, the fixed filtering structure may make it inconvenient to clean it, and may cause the particles in the cutting fluid to continue to accumulate during the filtering process, thereby clogging the filter holes, affecting the filtering effect and the normal operation of the filtering structure, and reducing the efficiency of filtering and recycling.

[0004] Therefore, in view of the fact that most of the existing cutting fluid filtering and recycling devices mentioned above adopt a fixed single-layer filtering structure, which may affect the subsequent use effect of the cutting fluid, and at the same time affect the normal operation of the filtering structure and reduce the efficiency of filtering and recycling, a cutting fluid filtering and recycling device can be designed, which adopts a multi-stage filtering structure that is easy to disassemble and assemble, and effectively removes pollutants such as particles, grease, and metal particles in the cutting fluid. Utility Model Content

[0005] In order to overcome the problem that most existing cutting fluid filtering and recycling devices adopt a fixed single-layer filtering structure, which may affect the subsequent use effect of the cutting fluid, and at the same time affect the normal operation of the filtering structure and reduce the efficiency of filtering and recycling.

[0006] The technical solution of the present utility model is: a cutting fluid filtration and recycling device, including a first filtration tank and a second filtration tank; a second filtration tank for further filtering the cutting fluid to remove the grease in the cutting fluid is provided below the first filtration tank. A large-hole filtration plate is provided inside the first filtration tank. Two groups of clamping strips are symmetrically installed horizontally on both sides of the large-hole filtration plate. A small-hole filtration plate fixedly connected to the clamping strips is provided below the large-hole filtration plate. A filtration membrane fixedly connected to the clamping strips is provided below the small-hole filtration plate. A connecting water pipe is installed in the middle of the lower end of the first filtration tank. A second rectangular sealing cover is provided above the second filtration tank. Two groups of second handles are horizontally installed at the upper end of the second rectangular sealing cover. A connecting hole for the connecting water pipe to pass through is provided between the two groups of second handles installed on the second rectangular sealing cover. An oil-water separator is provided below the second rectangular sealing cover corresponding to the connecting hole. An installation ring plate is installed at the upper end of the oil-water separator. A plurality of insertion columns are installed around the edge of the upper end of the installation ring plate. Insertion holes for the insertion columns to pass through are provided below the second rectangular sealing cover corresponding to the insertion columns.

[0007] Preferably, the used cutting fluid is driven by a circulation pump and enters the first filtration tank through an inlet pipe for preliminary filtration to remove the particles and metal microparticles in the cutting fluid. Then the cutting fluid enters the second filtration tank through the connecting water pipe for further filtration to remove the grease in the cutting fluid. After using for a period of time, the first filtration tank and the second filtration tank are respectively opened, and the filtration structures are taken out in sequence and cleaned. Through the multi-stage filtration structure that is convenient for disassembly and assembly, the large particles, fine particles, grease and other pollutants in the cutting fluid can be gradually removed, so that the cutting fluid maintains a high cleanliness. And the clean cutting fluid can reduce the wear during the processing, improve the processing accuracy and surface quality. At the same time, the filtration structure is convenient for disassembly and assembly, which can effectively reduce the accumulation of particulate matter, ensure the filtration effect and the normal operation of the filtration structure, and improve the efficiency of filtration and recycling.

[0008] As a preference, a first rectangular sealing cover is provided above the first filtration tank. Two groups of first handles are horizontally installed at the upper end of the first rectangular sealing cover. An inlet pipe fixedly connected to the first rectangular sealing cover is provided between the two groups of first handles. A circulation pump is provided between the inlet pipe and the first rectangular sealing cover. A first rectangular sealing ring is installed at the lower end edge of the first rectangular sealing cover. When the first filtration tank is used for a period of time, through the control of the display panel, the circulation pump is stopped. Then the first handle is lifted to open the first rectangular sealing cover. Then the large-hole filtration plate, the small-hole filtration plate and the filtration membrane are taken out and cleaned in sequence to avoid the accumulation of particulate matter after long-term use and affect its filtration performance. After the assembly is completed, the first handle is lifted, and the first rectangular sealing ring drives the first rectangular sealing cover to fit and connect along the inner wall of the first filtration tank, increasing the sealing performance and avoiding the influence of the outside on the filtration process of the cutting fluid.

[0009] Preferably, the inner wall of the first filter box is correspondingly provided with a clamping groove for positioning and connecting the clamping strip. The large-hole filter plate is used for filtration to remove larger particles in the cutting fluid. Then, the small-hole filter plate is used for filtration to remove smaller particles in the cutting fluid. Finally, the filter membrane is used for filtration to remove metal particles in the cutting fluid. After cleaning, the clamping strip drives the large-hole filter plate, the small-hole filter plate, and the filter membrane to be positioned and connected to the first filter box along the clamping groove.

[0010] Preferably, a display panel is installed on one outer side of the first filter box, and square support columns are installed at the lower corners of the first filter box. Through the operation of the display panel and driven by the circulation pump, the used cutting fluid enters the first filter box through the inlet pipe. After preliminary filtration, it enters the second filter box through the connecting water pipe.

[0011] Preferably, square placement grooves for placing the square support columns are respectively formed at the upper corners of the second rectangular sealing cover, and a second rectangular sealing ring is installed at the lower edge of the second rectangular sealing cover. After the second filter box is used for a period of time, the first filter box is removed, then the second handle is lifted to open the second rectangular sealing cover, and then the oil-water separator is removed and cleaned to avoid grease accumulation and affect the filtration effect of the oil-water separator. After the oil-water separator is assembled, the second handle is lifted, and the second rectangular sealing ring drives the second rectangular sealing cover to fit and connect with the inner wall of the second filter box to increase the sealing performance and avoid external influence on the filtration process of the cutting fluid. After the second filter box is assembled, the first filter box is lifted, and the square support columns are placed along the square placement grooves, and the first filter box and the second filter box can be used continuously.

[0012] Preferably, an operation panel is installed on one outer side of the second filter box, and a water level detector passing through the second filter box and extending into its interior is provided on one side of the operation panel. After the preliminarily filtered cutting fluid passes through the connection hole and enters the second filter box, it is further filtered by the oil-water separator to remove grease in the cutting fluid. Then, the completely filtered cutting fluid continuously drips to the inner bottom of the second filter box. Then, through the action of the water level detector, the capacity of the cutting fluid in the second filter box is detected. After the oil-water separator is cleaned, the plug column drives the mounting ring plate to be positioned and connected to the second rectangular sealing cover through the plug hole, and the oil-water separator is reassembled.

[0013] Preferably, columns are installed at the lower corners of the second filter box respectively, and a lead-out pipe is installed in the middle of the lower end of the second filter box. An expansion valve is sleeved outside the connection part of the lead-out pipe and the second filter box, and an electromagnetic control valve is installed on one outer side of the expansion valve. When the cutting fluid reaches the appropriate capacity, through the operation of the operation panel and the control of the electromagnetic control valve, the expansion valve is gradually opened, so that the clean cutting fluid flows out through the lead-out pipe for recycling.

[0014] Advantages of the present utility model:

[0015] 1. The used cutting fluid is driven by a circulation pump and enters the first filtration tank through an inlet pipe for preliminary filtration to remove particles and metal microparticles in the cutting fluid. Then, the cutting fluid enters the second filtration tank through a connecting water pipe for further filtration to remove grease in the cutting fluid. After using for a period of time, the first filtration tank and the second filtration tank are respectively opened, and the filtration structures are taken out in sequence and cleaned. Through the multi-stage filtration structure that is convenient for disassembly and assembly, large particles, fine particles, grease and other pollutants in the cutting fluid can be gradually removed, so that the cutting fluid can maintain a high cleanliness. And the clean cutting fluid can reduce wear during the processing, improve the processing accuracy and surface quality. At the same time, the filtration structure is convenient for disassembly and assembly, which can effectively reduce the accumulation of particulate matter, ensure the filtration effect and the normal operation of the filtration structure, and improve the efficiency of filtration and recirculation;

[0016] 2. Through the operation of the display panel and driven by the circulation pump, the used cutting fluid enters the first filtration tank through the inlet pipe, and then is filtered through a large-hole filter plate to remove larger particles in the cutting fluid. Then, it is filtered through a small-hole filter plate to remove smaller particles in the cutting fluid. Finally, it is filtered through a filter membrane to remove metal microparticles in the cutting fluid. After the preliminary filtration is completed, it enters the second filtration tank through a connecting water pipe;

[0017] 3. When the second filtration tank is used for a period of time, lift the second handle, open the second rectangular sealing cover, and then remove the oil-water separator and clean it to avoid the accumulation of grease and affect the filtration effect of the oil-water separator. After the cleaning is completed, the plug-in column drives the mounting ring plate to be positioned and connected with the second rectangular sealing cover through the plug-in hole, and the oil-water separator is reassembled. Description of the drawings

[0018] Figure 1 Shows a schematic diagram of the overall structure of a cutting fluid filtration and recirculation device of the present utility model;

[0019] Figure 2 Shows a schematic diagram of the structure of a small-hole filter plate of a cutting fluid filtration and recirculation device of the present utility model;

[0020] Figure 3 Shows a schematic diagram of the structure of a filter membrane of a cutting fluid filtration and recirculation device of the present utility model;

[0021] Figure 4 Shows a schematic diagram of the structure of an oil-water separator of a cutting fluid filtration and recirculation device of the present utility model;

[0022] Figure 5The following is a schematic diagram showing the structure of the outlet pipe of a cutting fluid filtration and recycling device of the present utility model.

[0023] Description of the reference numerals: 1, the first filter tank; 2, the second filter tank; 101, the first rectangular sealing cover; 102, the first handle; 103, the circulation pump; 104, the inlet pipe; 105, the first rectangular sealing ring; 106, the large-hole filter plate; 107, the small-hole filter plate; 108, the filter membrane; 109, the clamping strip; 110, the clamping groove; 111, the display panel; 112, the square support column; 113, the connecting water pipe; 201, the second rectangular sealing cover; 202, the square placement groove; 203, the second handle; 204, the second rectangular sealing ring; 205, the connecting hole; 206, the insertion hole; 207, the insertion column; 208, the mounting ring plate; 209, the oil-water separator; 210, the operation panel; 211, the water level detector; 212, the column; 213, the outlet pipe; 214, the telescopic valve; 215, the electromagnetic control valve. Detailed implementation manners

[0024] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] Please refer to Figures 1 - 5 , the present utility model provides an embodiment: a cutting fluid filtration and recycling device, including a first filter tank 1 and a second filter tank 2; a second filter tank 2 for further filtering the cutting fluid to remove the grease in the cutting fluid is provided below the first filter tank 1. A large-hole filter plate 106 is provided inside the first filter tank 1. Two groups of clamping strips 109 are symmetrically installed horizontally on both sides of the large-hole filter plate 106. A small-hole filter plate 107 fixedly connected to the clamping strip 109 is provided below the large-hole filter plate 106. A filter membrane 108 fixedly connected to the clamping strip 109 is provided below the small-hole filter plate 107. A connecting water pipe 113 is installed in the middle of the lower end of the first filter tank 1. A second rectangular sealing cover 201 is provided above the second filter tank 2. Two groups of second handles 203 are installed horizontally at the upper end of the second rectangular sealing cover 201. A connecting hole 205 for the connecting water pipe 113 to pass through is opened between the two groups of second handles 203 installed on the second rectangular sealing cover 201. An oil-water separator 209 (the model of the oil-water separator 209 is BILGMON488) is provided below the second rectangular sealing cover 201 corresponding to the connecting hole 205. A mounting ring plate 208 is installed at the upper end of the oil-water separator 209. A plurality of insertion columns 207 are installed around the upper end edge of the mounting ring plate 208. An insertion hole 206 for the insertion column 207 to pass through is opened below the second rectangular sealing cover 201 corresponding to the insertion column 207.

[0026] Please refer to Figures 2 - 3, in this embodiment, a first rectangular sealing cover 101 is provided above the first filter box 1. Two groups of first handles 102 are transversely installed at the upper end of the first rectangular sealing cover 101. An inlet pipe 104 fixedly connected to the first rectangular sealing cover 101 is provided between the two groups of first handles 102. A circulation pump 103 is provided between the inlet pipe 104 and the first rectangular sealing cover 101. A first rectangular sealing ring 105 is installed at the edge of the lower end of the first rectangular sealing cover 101. After the first filter box 1 is used for a period of time, through the control of the display panel 111, the circulation pump 103 is stopped. Then, the first handles 102 are lifted to open the first rectangular sealing cover 101. Then, the large-hole filter plate 106, the small-hole filter plate 107, and the filter membrane 108 are taken out and cleaned in sequence to avoid the accumulation of particulate matter during long-term use, which affects its filtering performance. After assembly, the first handles 102 are lifted, and the first rectangular sealing ring 105 drives the first rectangular sealing cover 101 to fit and connect along the inner wall of the first filter box 1, increasing the sealing performance and avoiding external influence on the filtering process of the cutting fluid. A clamping groove 110 for positioning and connecting the clamping strip 109 is correspondingly provided on the inner wall of the first filter box 1 corresponding to the clamping strip 109. The large-hole filter plate 106 is used for filtering to remove larger particles in the cutting fluid. Then, the small-hole filter plate 107 is used for filtering to remove smaller particles in the cutting fluid. Finally, the filter membrane 108 is used for filtering to remove metal particles in the cutting fluid. After cleaning, the clamping strip 109 drives the large-hole filter plate 106, the small-hole filter plate 107, and the filter membrane 108 to be positioned and connected to the first filter box 1 along the clamping groove 110. A display panel 111 is installed on one external side of the first filter box 1. Square support columns 112 are installed at the corners of the lower end of the first filter box 1. Through the control of the display panel 111 and the drive of the circulation pump 103, the used cutting fluid enters the first filter box 1 through the inlet pipe 104. After preliminary filtering, it enters the second filter box 2 through the connecting water pipe 113.

[0027] Please refer to Figures 4 - 5, in this embodiment, square placement grooves 202 for placing square support columns 112 are respectively formed at the upper corners of the second rectangular sealing cover 201. A second rectangular sealing ring 204 is installed at the lower edge of the second rectangular sealing cover 201. After the second filter tank 2 has been used for a period of time, the first filter tank 1 is removed. Then, the second handle 203 is lifted to open the second rectangular sealing cover 201. Next, the oil-water separator 209 is removed and cleaned to prevent grease accumulation from affecting the filtering effect of the oil-water separator 209. After the oil-water separator 209 is assembled, the second handle 203 is lifted, and the second rectangular sealing ring 204 drives the second rectangular sealing cover 201 to fit and connect with the inner wall of the second filter tank 2, enhancing the sealing performance and preventing external factors from affecting the filtering process of the cutting fluid. After the second filter tank 2 is assembled, the first filter tank 1 is lifted, and the square support columns 112 are placed along the square placement grooves 202, and then the first filter tank 1 and the second filter tank 2 can be used continuously. An operation panel 210 is installed on one outer side of the second filter tank 2. A water level detector 211 that penetrates the second filter tank 2 and extends into its interior is provided on one side of the operation panel 210. After the preliminarily filtered cutting fluid passes through the connection hole 205 and enters the second filter tank 2, it is further filtered by the oil-water separator 209 to remove the grease in the cutting fluid. Then, the completely filtered cutting fluid continuously drips to the inner bottom of the second filter tank 2. Then, through the action of the water level detector 211, the capacity of the cutting fluid in the second filter tank 2 is detected. After the oil-water separator 209 is cleaned, the plug column 207 drives the mounting ring plate 208 to be positioned and connected with the second rectangular sealing cover 201 through the plug hole 206, and the oil-water separator 209 is reassembled. Columns 212 are respectively installed at the lower corners of the second filter tank 2. A lead-out pipe 213 is installed in the middle of the lower end of the second filter tank 2. An expansion valve 214 is sleeved outside the connection between the lead-out pipe 213 and the second filter tank 2. An electromagnetic control valve 215 (the model of the electromagnetic control valve 215 is AD-8A-N-G1) is installed on one outer side of the expansion valve 214. When the cutting fluid reaches the appropriate capacity, through the control of the operation panel 210 and via the control of the electromagnetic control valve 215, the expansion valve 214 is gradually opened, enabling the clean cutting fluid to flow out through the lead-out pipe 213 for recycling.

[0028] When working, through the control of the display panel 111 and driven by the circulation pump 103, the used cutting fluid enters the first filter tank 1 through the inlet pipe 104, and then is filtered by the large-hole filter plate 106 to remove larger particles in the cutting fluid. Then it is filtered by the small-hole filter plate 107 to remove smaller particles in the cutting fluid. Finally, it is filtered by the filter membrane 108 to remove metal particles in the cutting fluid. After the preliminary filtration is completed, it enters the second filter tank 2 through the connecting water pipe 113 passing through the connecting hole 205, and then is further filtered by the oil-water separator 209 to remove the grease in the cutting fluid. Then the completely filtered cutting fluid continuously drips to the inner bottom of the second filter tank 2. Finally, through the action of the water level detector 211, the capacity of the cutting fluid in the second filter tank 2 is detected. When the appropriate capacity is reached, through the control of the operation panel 210 and the control of the electromagnetic control valve 215, the telescopic valve 214 is gradually opened, so that the clean cutting fluid flows out through the outlet pipe 213 for recycling;

[0029] After the first filter tank 1 is used for a period of time, through the control of the display panel 111, the circulation pump 103 is stopped. Then the first filter tank 1 is carried down from above the second filter tank 2. Then the first handle 102 is lifted, the first rectangular sealing cover 101 is opened, and the large-hole filter plate 106, the small-hole filter plate 107 and the filter membrane 108 are taken out and cleaned in sequence to avoid the accumulation of particulate matter after long-term use, which affects its filtering performance. After the cleaning is completed, the clamping strip 109 drives the large-hole filter plate 106, the small-hole filter plate 107 and the filter membrane 108 to be positioned and connected with the first filter tank 1 along the clamping groove 110. Then the first handle 102 is lifted, and the first rectangular sealing ring 105 drives the first rectangular sealing cover 101 to fit and connect with the inner wall of the first filter tank 1;

[0030] After the second filter tank 2 is used for a period of time, the second handle 203 is lifted, the second rectangular sealing cover 201 is opened, and then the oil-water separator 209 is removed and cleaned to avoid the accumulation of grease, which affects the filtering effect of the oil-water separator 209. After the cleaning is completed, the plugging column 207 drives the mounting ring plate 208 to be positioned and connected with the second rectangular sealing cover 201 through the plugging hole 206, and the oil-water separator 209 is reassembled. Then the second handle 203 is lifted, and the second rectangular sealing ring 204 drives the second rectangular sealing cover 201 to fit and connect with the inner wall of the second filter tank 2. After the second filter tank 2 is assembled, the first filter tank 1 is lifted, and the square support column 112 is placed along the square placement groove 202, and the first filter tank 1 and the second filter tank 2 can be used continuously.

[0031] Through the above steps, the used cutting fluid is driven by the circulation pump 103 and enters the first filtration tank 1 through the inlet pipe 104 for preliminary filtration to remove particles and metal microparticles in the cutting fluid. Then, the cutting fluid enters the second filtration tank 2 through the connecting water pipe 113 for further filtration to remove grease in the cutting fluid. After using for a period of time, the first filtration tank 1 and the second filtration tank 2 are respectively opened, and the filtration structures are taken out in sequence and cleaned. Through the multi-stage filtration structure that is convenient for disassembly and assembly, large particles, fine particles, grease and other pollutants in the cutting fluid can be gradually removed, so that the cutting fluid maintains a high cleanliness. And the clean cutting fluid can reduce the wear during the processing, improve the processing accuracy and surface quality. At the same time, the filtration structure is convenient for disassembly and assembly, which can effectively reduce the accumulation of particulate matter, ensure the normal operation of the filtration effect and the filtration structure, and improve the efficiency of filtration and recirculation, so as to solve the problem that most of the existing cutting fluid filtration and recirculation devices adopt a fixed single-layer filtration structure, which may affect the subsequent use effect of the cutting fluid, and at the same time affect the normal operation of the filtration structure and reduce the efficiency of filtration and recirculation.

Claims

1. A cutting fluid filtration and recycling device, comprising a first filtration tank (1); characterized in that: It also includes a second filter tank (2); a second filter tank (2) for further filtering the cutting fluid to remove grease in the cutting fluid is provided below the first filter tank (1). A large-hole filter plate (106) is provided inside the first filter tank (1). Two groups of clamping strips (109) are symmetrically installed horizontally on both sides of the large-hole filter plate (106). A small-hole filter plate (107) fixedly connected to the clamping strips (109) is provided below the large-hole filter plate (106). A filter membrane (108) fixedly connected to the clamping strips (109) is provided below the small-hole filter plate (107). A connecting water pipe (113) is installed in the middle of the lower end of the first filter tank (1). A second rectangular sealing cover (201) is provided above the second filter tank (2). Two groups of second handles (203) are horizontally installed at the upper end of the second rectangular sealing cover (201). A connecting hole (205) for the connecting water pipe (113) to pass through is opened between the two groups of second handles (203) installed on the second rectangular sealing cover (201). An oil-water separator (209) is provided below the second rectangular sealing cover (201) corresponding to the connecting hole (205). An installation ring plate (208) is installed at the upper end of the oil-water separator (209). A plurality of plugging columns (207) are installed around the upper end edge of the installation ring plate (208). Plugging holes (206) for the plugging columns (207) to pass through are opened below the second rectangular sealing cover (201) corresponding to the plugging columns (207).

2. The cutting fluid filtering and recycling device according to claim 1, wherein: A first rectangular sealing cover (101) is provided above the first filter tank (1). Two groups of first handles (102) are horizontally installed at the upper end of the first rectangular sealing cover (101). An inlet pipe (104) fixedly connected to the first rectangular sealing cover (101) is provided between the two groups of first handles (102). A circulation pump (103) is provided between the inlet pipe (104) and the first rectangular sealing cover (101). A first rectangular sealing ring (105) is installed at the lower end edge of the first rectangular sealing cover (101).

3. The cutting fluid filtration and recycling device according to claim 1, characterized in that: Clamping grooves (110) for positioning and connecting the clamping strips (109) are opened on the inner wall of the first filter tank (1) corresponding to the clamping strips (109).

4. A cutting fluid filtration and recycling device according to claim 1, characterized in that: A display panel (111) is installed on one outer surface of the first filter tank (1). Square support columns (112) are installed at the lower corners of the first filter tank (1).

5. The cutting fluid filtration and recycling device according to claim 4, characterized in that: Square placement grooves (202) for placing the square support columns (112) are opened at the upper corners of the second rectangular sealing cover (201). A second rectangular sealing ring (204) is installed at the lower end edge of the second rectangular sealing cover (201).

6. The cutting fluid filtration and recycling device according to claim 1, characterized in that: An operation panel (210) is installed on one outer surface of the second filter tank (2). A water level detector (211) passing through the second filter tank (2) and extending into its interior is provided on one side of the operation panel (210).

7. A cutting fluid filtration and recycling device according to claim 1, characterized in that: Columns (212) are installed at the lower corners of the second filter tank (2). An outlet pipe (213) is installed in the middle of the lower end of the second filter tank (2). An expansion valve (214) is sleeved outside the connection between the outlet pipe (213) and the second filter tank (2). An electromagnetic control valve (215) is installed on one outer side of the expansion valve (214).

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