A device for recovering cutting oil for metal chips

Abstract

The present invention provides a recovery device for cutting oil for metal chips, which relates to the technical field of cutting oil recovery, including a tank body, wherein a cleaning mechanism is arranged inside the tank body, wherein the cleaning mechanism includes an air inlet duct, wherein the inner surface of the bottom of the air inlet duct is fixedly connected with a first limit plate, the surface of the first limit plate is slidably connected with a lifting tube, the outer surface of the lifting tube is rotatably connected with a first gear through a bearing, and a first rack is fixedly connected between the limit plate and the air inlet duct. The present invention drives the mounting groove on the surface to rotate by a rotating disk, at which time the internal positioning rod can be pushed to move, and drive the spaced positioning rods to approach the center, the positioning rod moves to pull the rotating plate on the surface to rotate, and pulls the filter screen to close to the positioning cylinder, so that impurities can be continuously gathered, and finally accumulated at the bottom of the positioning cylinder through precipitation, which is convenient for centralized collection of impurities and improves the solid-liquid separation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of cutting oil recovery, in particular to a cutting oil recovery device for metal chips. Background Art

[0002] Cutting oil is an industrial liquid used to cool and lubricate tools and workpieces during metal cutting and grinding processes during CNC machine tool processing. Generally, cutting oil needs to be recycled, otherwise the cost will increase a lot. In the prior art, impurities are separated from cutting oil by centrifugation, filtration and distillation. During the filtration process, the oil is usually passed through a filter and then the filtered oil is discharged. However, impurities still remain in the tank, affecting the subsequent distillation effect. At the same time, impurities remain on the surface of the filter, which is easy to affect the subsequent filtration effect. For this reason, we propose a recovery device for cutting oil for metal chips. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned problem and to provide a recovery device for cutting oil for metal chips.

[0004] In order to achieve the above-mentioned objectives, the present invention adopts the following technical scheme: a cutting oil recovery device for metal chips, comprising a tank body, a cleaning mechanism is arranged inside the tank body, the cleaning mechanism comprises an air inlet duct, the inner surface of the bottom of the air inlet duct is fixedly connected with a first limit plate, the surface of the first limit plate is slidably connected with a lifting tube, the outer surface of the lifting tube is rotatably connected with a first gear through a bearing, a first rack is fixedly connected between the limit plate and the air inlet duct, the first rack is meshingly connected with the first gear, the inner surface of the lifting tube is fixedly connected with a second limit plate, the surface of the second limit plate is slidably connected with a lifting rod, the surface of the lifting rod is fixedly connected with a fifth rack, the fifth rack is meshingly connected with the first gear, the surface of the lifting rod is fixedly connected with an electromagnet, and the lower surface of the tank body is connected with a discharge duct.

[0005] Preferably, an air outlet structure is also provided inside the tank body, and the air outlet structure includes an outer tube, a push plate is slidably connected between the outer tube and the air inlet duct, a connecting tube is provided on the outer surface of the outer tube, an air collecting box is fixedly connected to the top of the inner surface of the tank body, the connecting tube is connected to the air collecting box, and an air outlet pipe is provided on the lower surface of the air collecting box, and a plurality of air outlet holes are provided on the surface of the air outlet pipe.

[0006] Preferably, a limiting groove is provided on the surface of the air inlet duct, a push rod is fixedly connected to the surface of the push plate, a sliding cylinder is slidably connected to the inner surface of the air inlet duct, a threaded groove is provided on the outer surface of the sliding cylinder, the push rod is slidably connected to the threaded groove, and the lower surface of the sliding cylinder is fixedly connected to the lifting tube.

[0007] Preferably, the air inlet duct and the outer tube are both fixedly connected to the tank body, and the surface of the tank body is connected and provided with an oil inlet duct.

[0008] Preferably, a tightening mechanism is also provided on the inner surface of the tank body, and the tightening mechanism includes a positioning cylinder. A plurality of positioning grooves are opened on the surface of the tank body, and the surfaces of the plurality of positioning grooves are slidably connected with positioning rods, and adjacent positioning rods are rotatably connected with positioning plates through bearings, and adjacent positioning rods are fixedly connected with filter screens, and the outer surfaces of the plurality of positioning plates are fixedly connected with rubber pads, and the outer surfaces of the plurality of rubber pads are slidably connected with the tank body.

[0009] Preferably, the surface of the tank body is rotatably connected to a support rod via a bearing, the surface of the support rod is fixedly connected to a fourth gear, the surface of the tank body is rotatably connected to a rotating disk via a bearing, the surface of the rotating disk is fixedly connected to a fourth rack, the fourth gear is meshingly connected to the fourth rack, a plurality of mounting grooves are provided on the surface of the rotating disk, and the plurality of positioning rods are slidably connected to the mounting grooves.

[0010] Preferably, a control mechanism is also provided inside the tank body, and the control mechanism includes a rotating rod, a second gear is fixedly connected to the surface of the rotating rod, a rotating frame is fixedly connected to the surface of the push plate, the rotating frame is rotatably connected to the tank body through a bearing, a second rack is fixedly connected to the surface of the rotating frame, the second gear is meshingly connected to the second rack, a sealing plate is slidably connected to the surface of the tank body, a third rack is fixedly connected to the surface of the sealing plate, a third gear is fixedly connected to the surface of the rotating rod, and the third gear is meshingly connected to the third rack.

[0011] Preferably, the rotating rod is rotatably connected to the surfaces of the positioning cylinder and the tank body through a bearing, and a stirring plate is fixedly connected to the surface of the rotating rod.

[0012] Preferably, the positioning cylinder is fixedly connected to the air collecting box.

[0013] Preferably, a motor is fixedly connected to the upper surface of the tank body, and an output end of the motor is fixedly connected to the support rod.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are

[0015] 1. The present invention proposes a cutting oil recovery device for metal chips, which drives a support rod to rotate through a motor. The support rod drives a rotating disk to rotate through a fourth gear and a fourth rack. The rotating disk drives the mounting groove on the surface to rotate, and the internal positioning rod can be pushed to move, and drive the spaced positioning rods to approach the center. The movement of the positioning rod pulls the rotating plate on the surface to rotate, and pulls the filter screen to close to the positioning cylinder, so that impurities can be continuously gathered and finally accumulated at the bottom of the positioning cylinder through precipitation, which is convenient for centralized collection of impurities and improves the solid-liquid separation efficiency.

[0016] 2. The present invention proposes a recovery device for cutting oil for metal chips, which injects airflow from the air inlet duct and enters between the outer tube and the air outlet pipe, pushing the push plate to move. The push plate drives the airflow between the tube bodies to enter the inside of the connecting tube. The airflow enters the air outlet pipe through the air collecting box along the connecting tube and is discharged from the air outlet. The gas can drive the oil body to flow, reduce the accumulation of sediment on the surface of the filter, thereby reducing the blockage of the filter surface and extending the life of the filter.

[0017] 3. The present invention proposes a cutting oil recovery device for metal chips, which drives the sliding cylinder to descend through a push plate, and the sliding cylinder drives the lifting tube to move downward. The lifting tube drives the fifth rack to move downward through the cooperation of the first gear and the first rack, and the fifth rack drives the electromagnet to move downward through the lifting rod. The provided electromagnet can adsorb iron chips for impurities that fall into the discharge pipe, so that the iron chips stay on the electromagnet. At this time, the channel on one side of the discharge pipe is opened to discharge the iron chips. After discharge, the pipe on the other side of the discharge pipe is opened again to collect the iron chips on the electromagnet separately. By collecting the iron chips separately, they can be converted into new products again, saving natural resources, and then reducing the exploitation of natural resources, thereby reducing damage to the environment.

[0018] 4. The present invention proposes a cutting oil recovery device for metal chips, in which during the rotation of the push plate, the push plate drives the second rack to mesh with the second rack through the rotating frame, thereby driving the second gear to rotate, the second gear drives the third gear to rotate through the rotating rod, and the third gear drives the sealing plate to move linearly through the third rack. Multiple sealing plates are squeezed against each other, so that the sealing plate opens a rectangular through hole, at which time oil stains can pass through, and the separated materials can be quickly and efficiently discharged from the tank body in time, reducing oil stains and impurities in the tank body, greatly improving the separation efficiency, and reducing the working time required for separation.

[0019] 5. The present invention proposes a cutting oil recovery device for metal chips, in which after the lifting tube descends to the opening at the lower surface of the tank body, the second rack rotates to the position of the second gear and meshes with it. At this time, when the lifting tube continues to move downward, the sealing plate gradually opens, and the lifting tube passes through the sealing plate. When the lifting tube moves to the lower surface of the tank body, the oil will no longer enter the discharge pipe, and the impurities entering the pipe are cleaned. The entire device can clean and separate the impurities in small quantities and multiple times, thereby improving the separation effect of iron chips and other impurities in the oil, avoiding the situation where a large amount of iron chips are discharged at one time and some iron chips cannot be separated, and timely removing impurities to avoid filter blockage, thereby maintaining the separation effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention provides a schematic diagram of the main structure of a cutting oil recovery device for metal chips;

[0021] Figure 2 The present invention provides a schematic diagram of the internal structure of a cutting oil recovery device for metal chips;

[0022] Figure 3 A partial cross-sectional structural schematic diagram of a cutting oil recovery device for metal chips proposed by the present invention;

[0023] Figure 4 A schematic diagram of a partial internal top view of a recovery device for cutting oil for metal chips proposed by the present invention;

[0024] Figure 5 The present invention provides a partial top view and cross-sectional structure schematic diagram of a device for recovering cutting oil for metal chips;

[0025] Figure 6 A schematic diagram of the local structure of a limiting groove of a recovery device for cutting oil for metal chips proposed by the present invention;

[0026] Figure 7 A schematic diagram of the partial structure of a sliding cylinder of a cutting oil recovery device for metal chips proposed by the present invention;

[0027] Figure 8 A schematic diagram of the partial structure of a lifting rod of a cutting oil recovery device for metal chips proposed by the present invention;

[0028] Fig. 9 A schematic diagram of a partial bottom view of a sealing plate of a cutting oil recovery device for metal chips proposed by the present invention;

[0029] Fig.10 for Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0030] Fig.11The present invention provides a schematic diagram of the partial structure of the outer tube of a cutting oil recovery device for metal chips.

[0031] Legend: 1. Tank; 2. Cleaning mechanism; 201. Air inlet duct; 202. First limit plate; 203. Lifting tube; 204. First gear; 205. First rack; 206. Second limit plate; 207. Lifting rod; 208. Electromagnet; 209. Discharge duct; 210. Fifth rack; 3. Air outlet structure; 301. Outer tube; 302. Push plate; 303. Connecting tube; 304. Air collecting box; 305. Air outlet pipe; 306. Air outlet hole; 4. Tightening mechanism; 401. Positioning cylinder; 402. Positioning groove ; 403, positioning rod; 404, positioning plate; 405, filter screen; 406, rubber pad; 5, control mechanism; 501, rotating rod; 502, second gear; 503, rotating frame; 504, second rack; 505, sealing plate; 506, third rack; 507, third gear; 6, limit groove; 7, push rod; 8, sliding cylinder; 10, threaded groove; 11, oil inlet pipeline; 12, support rod; 13, fourth gear; 14, rotating disk; 15, fourth rack; 16, mounting groove; 17, stirring plate; 18, motor. DETAILED DESCRIPTION

[0032] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0034] like Figure 1 - Fig.11As shown, a cutting oil recovery device for metal chips comprises a tank body 1, a cleaning mechanism 2 is arranged inside the tank body 1, the cleaning mechanism 2 comprises an air inlet duct 201, a first limit plate 202 is fixedly connected to the inner surface of the bottom of the air inlet duct 201, a lifting tube 203 is slidably connected to the surface of the first limit plate 202, a first gear 204 is rotatably connected to the outer surface of the lifting tube 203 through a bearing, a first rack 205 is fixedly connected between the first limit plate 202 and the air inlet duct 201, the first rack 205 is meshingly connected to the first gear 204, a second limit plate 206 is fixedly connected to the inner surface of the lifting tube 203, a lifting rod 207 is slidably connected to the surface of the second limit plate 206, a fifth rack 210 is fixedly connected to the surface of the lifting rod 207, the fifth rack 210 is meshingly connected to the first gear 204, an electromagnet 208 is fixedly connected to the surface of the lifting rod 207, and a discharge duct 209 is arranged in communication with the lower surface of the tank body 1.

[0035] The effect is that the lifting tube 203 drives the first gear 204 to move downward, the first gear 204 engages with the first rack 205, so that the first gear 204 rotates, the first gear 204 drives the fifth rack 210 to move downward, the fifth rack 210 drives the lifting rod 207 to move downward, the lifting rod 207 drives the electromagnet 208 to move downward, and the set electromagnet 208 can absorb iron filings of impurities falling into the discharge pipe 209, so that the iron filings stay on the electromagnet 208.

[0036] like Figure 1 - Fig.11 As shown, the interior of the tank body 1 is also provided with an air outlet structure 3, which includes an outer tube 301, a push plate 302 is slidably connected between the outer tube 301 and the air inlet duct 201, a connecting tube 303 is connected to the outer surface of the outer tube 301, an air collecting box 304 is fixedly connected to the top of the inner surface of the tank body 1, the connecting tube 303 is connected to the air collecting box 304, an air outlet pipe 305 is connected to the lower surface of the air collecting box 304, a plurality of air outlet holes 306 are provided on the surface of the air outlet pipe 305, a limiting groove 6 is provided on the surface of the air inlet duct 201, a push rod 7 is fixedly connected to the surface of the push plate 302, a sliding cylinder 8 is slidably connected to the inner surface of the air inlet duct 201, a threaded groove 10 is provided on the outer surface of the sliding cylinder 8, the push rod 7 is slidably connected to the threaded groove 10, the lower surface of the sliding cylinder 8 is fixedly connected to the lifting tube 203, the air inlet duct 201 and the outer tube 301 are both fixedly connected to the tank body 1, and an oil inlet pipe 11 is connected to the surface of the tank body 1.

[0037] The effect is that air flow is injected through the air inlet duct 201, and air holes are opened on the air inlet duct 201, so that the air flow enters between the outer tube 301 and the air outlet pipe 305, and pushes the push plate 302 to move. At this time, the valve on the connecting pipe 303 on the other side is opened, and the push plate 302 drives the air flow between the tube bodies to enter the inside of the connecting pipe 303. The air flow enters the air collecting box 304 along the connecting pipe 303, and enters the air outlet pipe 305, and is discharged from the air outlet hole 306. At this time, impurities on the filter screen can be driven away to avoid blockage.

[0038] like Figure 1 - Fig.11 As shown, a tightening mechanism 4 is also provided on the inner surface of the tank body 1, and the tightening mechanism 4 includes a positioning cylinder 401. A plurality of positioning grooves 402 are provided on the surface of the tank body 1, and a plurality of positioning grooves 402 are slidably connected to the surfaces of the plurality of positioning grooves 402. Positioning rods 403 are rotatably connected to adjacent positioning rods 403 through bearings, and filter screens 405 are fixedly connected between adjacent positioning rods 403. Rubber pads 406 are fixedly connected to the outer surfaces of the plurality of positioning plates 404, and the outer surfaces of the plurality of rubber pads 406 are slidably connected to the tank body 1. A support rod 12 is rotatably connected to the surface of the tank body 1 through a bearing, and a fourth gear 13 is fixedly connected to the surface of the support rod 12. A rotating disk 14 is rotatably connected to the surface of the tank body 1 through a bearing, and a fourth rack 15 is fixedly connected to the surface of the rotating disk 14. The fourth gear 13 is meshingly connected to the fourth rack 15. A plurality of mounting grooves 16 are provided on the surface of the rotating disk 14, and a plurality of positioning rods 403 are slidably connected to the mounting grooves 16.

[0039] The effect is that the support rod 12 drives the fourth gear 13 to rotate, the fourth gear 13 drives the fourth rack 15 to rotate, the fourth rack 15 drives the rotating disk 14 to rotate, and the rotating disk 14 drives the mounting groove 16 on the surface to rotate, at which time the internal positioning rod 403 can be pushed to move, and at this time the spaced positioning rods 403 can be driven to approach the center, the positioning rod 403 moves to pull the rotating plate on the surface to rotate, and the rotating plate drives the adjacent positioning rods 403 to move, and at this time the filter net 405 can be pulled together and close to the positioning cylinder 401, and the filtered impurities enter the bottom of the positioning cylinder 401 through sedimentation for easy collection.

[0040] like Figure 1 - Fig.11As shown, a control mechanism 5 is also provided inside the tank body 1, and the control mechanism 5 includes a rotating rod 501, the surface of the rotating rod 501 is fixedly connected to the second gear 502, the surface of the push plate 302 is fixedly connected to the rotating frame 503, the rotating frame 503 is rotatably connected to the tank body 1 through a bearing, the surface of the rotating frame 503 is fixedly connected to the second rack 504, the second gear 502 is meshingly connected to the second rack 504, the surface of the tank body 1 is slidably connected to a sealing plate 505, the surface of the sealing plate 505 is fixedly connected to a third rack 506, the surface of the rotating rod 501 is fixedly connected to the third gear 507, the third gear 507 is meshingly connected to the third rack 506, the rotating rod 501 is rotatably connected to the surface of the positioning cylinder 401 and the tank body 1 through a bearing, the surface of the rotating rod 501 is fixedly connected to a stirring plate 17, the positioning cylinder 401 is fixedly connected to the gas collecting box 304, the upper surface of the tank body 1 is fixedly connected to a motor 18, and the output end of the motor 18 is fixedly connected to the support rod 12.

[0041] The effect is that the push plate 302 drives the rotating frame 503 to rotate, the rotating frame 503 drives the second rack 504 to rotate, the second rack 504 drives the second gear 502 to rotate, the second gear 502 drives the rotating rod 501 to rotate, the rotating rod 501 drives the third gear 507 to rotate, the third gear 507 drives the third rack 506 to move, the third rack 506 drives the sealing plate 505 to move in a straight line, and the multiple sealing plates 505 are squeezed against each other, so that the sealing plate 505 opens a rectangular through hole, at this time impurities can pass through, and the set stirring plate 17 can also drive the surrounding impurities to flow, so that they quickly enter the discharge pipe 209.

[0042] Working principle: the cutting oil is injected from the oil inlet pipe 11 between the filter screen 405 and the positioning cylinder 401, at which time the filter screen 405 can filter the impurities in the oil body, and the separated and filtered oil stays in the tank body 1, and the separated and filtered oil is discharged from the oil drain pipe at the bottom of the tank body 1, and the motor 18 drives the support rod 12 to rotate, the support rod 12 drives the fourth gear 13 to rotate, the fourth gear 13 drives the fourth rack 15 to rotate, the fourth rack 15 drives the rotating disk 14 to rotate, and the rotating disk 14 drives the mounting groove 16 on the surface to rotate, and at this time the internal positioning rod 403 can be pushed to move, and at this time the spaced positioning rods 403 can be driven to approach the center, the positioning rod 403 moves to pull the rotating plate on the surface to rotate, and the rotating plate drives the adjacent positioning rods 403 moves, at this time, the filter screen 405 can be pulled together and close to the positioning cylinder 401, and the filtered impurities enter the bottom of the positioning cylinder 401 through precipitation. At this time, air is injected through the air inlet duct 201, and air holes are opened on the air inlet duct 201, so that the air flow enters between the outer tube 301 and the air outlet pipe 305, and pushes the push plate 302 to move. At this time, the valve on the connecting pipe 303 on the other side is opened, and the push plate 302 drives the air flow between the pipe bodies to enter the inside of the connecting pipe 303, and the air flow enters the air collecting box 304 along the connecting pipe 303, and enters the air outlet pipe 305, and is discharged from the air outlet hole 306. At this time, the impurities on the filter screen can be driven to separate to avoid blockage. At the same time, the push plate 302 drives the push rod 7 to rotate along the limit groove 6, and the push rod 7 is in the sliding cylinder 8 The sliding cylinder 8 can be driven to descend by sliding in the threaded groove 10 on the surface. A limit block is arranged on the sliding cylinder 8. The limit block is slidably connected with the air inlet duct 201, so that the sliding cylinder 8 can be lifted and lowered vertically. When the sliding cylinder 8 descends, the lifting tube 203 is driven to move downward. The lifting tube 203 drives the first gear 204 to move downward. The first gear 204 is meshed with the first rack 205, so that the first gear 204 rotates. The first gear 204 drives the fifth rack 210 to move downward. The fifth rack 210 drives the lifting rod 207 to move downward. The lifting rod 207 drives the electromagnet 208 to move downward. The electromagnet 208 can absorb the impurities falling into the discharge pipe 209, so that the iron chips stay on the electromagnet 208. At this time, the channel on one side of the discharge pipe 209 is opened to discharge the iron filings. After discharge, the discharge pipe is opened to the pipe on the other side to collect the iron filings on the electromagnet 208 separately. During the rotation of the push plate 302, the push plate 302 drives the rotating frame 503 to rotate, the rotating frame 503 drives the second rack 504 to rotate, the second rack 504 drives the second gear 502 to rotate, the second gear 502 drives the rotating rod 501 to rotate, the rotating rod 501 drives the third gear 507 to rotate, the third gear 507 drives the third rack 506 to move, the third rack 506 drives the sealing plate 505 to move in a straight line, and the multiple sealing plates 505 squeeze each other, so that the sealing plate 505 opens a rectangular through hole, and impurities can pass through and enter the discharge pipe.During operation, when the lifting tube 203 descends to the opening of the lower surface of the tank body 1, the second rack 504 rotates to the position of the second gear 502 and meshes with it. At this time, when the lifting tube 203 continues to move downward, the sealing plate 505 gradually opens, and the lifting tube 203 passes through the sealing plate 505. When the lifting tube 203 moves to the lower surface of the tank body 1, the oil will no longer enter the discharge pipe 209. At this time, the oil entering the pipe can be cleaned, and the oil can be cleaned and separated.

[0043] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A device for recovering cutting oil for metal chips, comprising a tank body (1), characterized in that: A cleaning mechanism (2) is arranged inside the tank body (1), and the cleaning mechanism (2) comprises an air inlet duct (201), a first limit plate (202) is fixedly connected to the inner surface of the bottom of the air inlet duct (201), a lifting tube (203) is slidably connected to the surface of the first limit plate (202), a first gear (204) is rotatably connected to the outer surface of the lifting tube (203) via a bearing, a first rack (205) is fixedly connected between the first limit plate (202) and the air inlet duct (201), and the first rack (205) is fixedly connected to the air inlet duct (201). 05) is meshedly connected with the first gear (204), the inner surface of the lifting tube (203) is fixedly connected with a second limit plate (206), the surface of the second limit plate (206) is slidably connected with a lifting rod (207), the surface of the lifting rod (207) is fixedly connected with a fifth rack (210), the fifth rack (210) is meshedly connected with the first gear (204), the surface of the lifting rod (207) is fixedly connected with an electromagnet (208), and the lower surface of the tank body (1) is connected with a discharge pipe (209).

2. The cutting oil recovery device for metal chips according to claim 1, characterized in that: An air outlet structure (3) is also provided inside the tank body (1), the air outlet structure (3) comprising an outer tube (301), a push plate (302) being slidably connected between the outer tube (301) and the air inlet duct (201), a connecting tube (303) being provided on the outer surface of the outer tube (301), an air collecting box (304) being fixedly connected to the top of the inner surface of the tank body (1), the connecting tube (303) being provided in communication with the air collecting box (304), an air outlet pipe (305) being provided on the lower surface of the air collecting box (304), and a plurality of air outlet holes (306) being provided on the surface of the air outlet pipe (305).

3. The cutting oil recovery device for metal chips according to claim 2, characterized in that: The surface of the air inlet duct (201) is provided with a limiting groove (6), the surface of the push plate (302) is fixedly connected to a push rod (7), the inner surface of the air inlet duct (201) is slidably connected to a sliding cylinder (8), the outer surface of the sliding cylinder (8) is provided with a thread groove (10), the push rod (7) is slidably connected to the thread groove (10), and the lower surface of the sliding cylinder (8) is fixedly connected to the lifting tube (203).

4. The cutting oil recovery device for metal chips according to claim 1, characterized in that: The air inlet duct (201) and the outer tube (301) are both fixedly connected to the tank body (1), and the surface of the tank body (1) is connected and provided with an oil inlet duct (11).

5. The cutting oil recovery device for metal chips according to claim 1, characterized in that: The inner surface of the tank body (1) is further provided with a tightening mechanism (4), the tightening mechanism (4) comprising a positioning cylinder (401), the surface of the tank body (1) is provided with a plurality of positioning grooves (402), the surfaces of the plurality of positioning grooves (402) are all slidably connected to positioning rods (403), adjacent positioning rods (403) are rotatably connected to positioning plates (404) via bearings, adjacent positioning rods (403) are all fixedly connected to filter screens (405), the outer surfaces of the plurality of positioning plates (404) are all fixedly connected to rubber pads (406), and the outer surfaces of the plurality of rubber pads (406) are all slidably connected to the tank body (1).

6. The cutting oil recovery device for metal chips according to claim 5, characterized in that: The surface of the tank body (1) is rotatably connected to a support rod (12) via a bearing, the surface of the support rod (12) is fixedly connected to a fourth gear (13), the surface of the tank body (1) is rotatably connected to a rotating disk (14) via a bearing, the surface of the rotating disk (14) is fixedly connected to a fourth rack (15), the fourth gear (13) is meshingly connected to the fourth rack (15), the surface of the rotating disk (14) is provided with a plurality of mounting grooves (16), and the plurality of positioning rods (403) are all slidably connected to the mounting grooves (16).

7. The cutting oil recovery device for metal chips according to claim 2, characterized in that: A control mechanism (5) is also provided inside the tank body (1), and the control mechanism (5) comprises a rotating rod (501), a second gear (502) being fixedly connected to the surface of the rotating rod (501), a rotating frame (503) being fixedly connected to the surface of the push plate (302), the rotating frame (503) being rotatably connected to the tank body (1) via a bearing, a second rack (504) being fixedly connected to the surface of the rotating frame (503), the second gear (502) being meshingly connected to the second rack (504), a sealing plate (505) being slidably connected to the surface of the tank body (1), a third rack (506) being fixedly connected to the surface of the sealing plate (505), a third gear (507) being fixedly connected to the surface of the rotating rod (501), and the third gear (507) being meshingly connected to the third rack (506).

8. The cutting oil recovery device for metal chips according to claim 7, characterized in that: The rotating rod (501) is rotatably connected to the positioning cylinder (401) and the surface of the tank body (1) via a bearing, and a stirring plate (17) is fixedly connected to the surface of the rotating rod (501).

9. The cutting oil recovery device for metal chips according to claim 5, characterized in that: The positioning cylinder (401) is fixedly connected to the gas collecting box (304).

10. The cutting oil recovery device for metal chips according to claim 1, characterized in that: A motor (18) is fixedly connected to the upper surface of the tank body (1), and an output end of the motor (18) is fixedly connected to the support rod (12).

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