CN218924015U - Automatic grinding liquid and slag separating device for grinding machine - Google Patents

Abstract

The utility model discloses an automatic grinding liquid and slag separation device for a grinding machine, which comprises a liquid collecting box, a water tank, a first power pump, a first driving device, an air blowing device and a grinding slag output device, wherein the liquid collecting box is connected with the water tank; the liquid collecting box is used for collecting grinding liquid containing grinding slag discharged by the grinding machine; a filter cartridge is rotatably arranged in the water tank; the first power pump is used for pumping the grinding fluid in the liquid collecting box into the filter cartridge for filtering; the first driving device is arranged on the water tank and used for driving the filter cartridge to rotate; the blowing device is fixed on the water tank and used for blowing off the grinding slag attached to the filter cartridge; the grinding slag output device comprises a slag receiving disc and a spiral conveying device, wherein the slag receiving disc is arranged in the filter cartridge and is fixedly connected with the spiral conveying device, the slag receiving disc is used for receiving grinding slag blown off by the blowing device, a filtering part is arranged on the slag receiving disc and is used for filtering grinding liquid on the slag receiving disc, and the spiral conveying device is used for outputting the grinding slag on the slag receiving disc to the outside of the water tank pool so as to realize automatic separation of the grinding liquid slag.

Description

Automatic grinding liquid and slag separating device for grinding machine

Technical Field

The utility model relates to the technical field of grinding processing equipment, in particular to an automatic grinding liquid and slag separating device for a grinding machine.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by using a grinding tool coated with or embedded with grinding materials, and is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in the workpiece. In the case of polishing the surface of a workpiece with a polishing machine, it is necessary to fill the surface with a polishing liquid (polishing liquid), and after polishing, a large amount of polishing slag is present in the polishing liquid, and the polishing liquid is repeatedly filtered.

The prior art generally adopts filter paper for filtering the grinding fluid, and the filter paper needs to be replaced in time after being filtered for a period of time so as to ensure the filtering effect, but the mode of filtering the grinding fluid by using the filter paper always causes the condition that the worker forgets to replace the filter paper, thereby influencing the filtering effect of the grinding fluid, finally leading to excessive grinding slag doped by the grinding fluid, and bringing adverse effects to the grinding quality of the workpiece, such as exceeding the standard of the grinding surface roughness of the workpiece or damage to the grinding surface of the grinding wheel.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an automatic grinding liquid and slag separating device for a grinder, which effectively solves the problem that the grinding quality of a workpiece is affected due to the fact that the existing filter paper is not replaced timely.

The utility model adopts the following technical scheme:

an automatic grinding liquid and slag separating device for a grinder comprises:

the liquid collecting box is used for collecting grinding liquid containing grinding slag discharged by the grinding machine;

the water tank is independent of the liquid collecting box, and a filter cartridge is rotatably arranged in the water tank;

the first power pump is used for pumping the grinding fluid in the liquid collecting box into the filter cartridge for filtering;

the first driving device is arranged on the water tank pool and is used for driving the filter cartridge to rotate;

the air blowing device is fixed on the water tank pool and is used for blowing off the grinding slag attached to the filter cartridge;

the slag receiving disc is arranged in the filter cartridge and fixedly connected with the spiral conveying device, the slag receiving disc is used for receiving the slag blown off by the blowing device, a filtering part is arranged on the slag receiving disc and used for filtering the grinding liquid on the slag receiving disc, and the spiral conveying device is used for outputting the grinding slag on the slag receiving disc to the outside of the water tank.

Further, screw feeding device includes hob, sleeve and second drive arrangement, second drive arrangement set up in the outside in basin pond and with the first end drive connection of hob, the second end of hob is located in the cartridge filter, the sleeve cover is located the hob is close to the one section of second drive arrangement and with be formed with the material conveying passageway between the hob, be provided with on the sleeve and be located the slag notch outside the basin pond, the slag pan with the sleeve deviates from the connection of one end of second drive arrangement is fixed and is located the below of hob, second drive arrangement is used for the drive the hob rotates and makes the hob will the lapping sediment on the slag pan is carried in the material conveying passageway and is passed through the slag notch is discharged.

Further, the automatic grinding liquid and slag separation device for the grinding machine further comprises a slag collecting vehicle arranged outside the water tank, and the slag collecting vehicle is used for collecting the grinding slag discharged from the slag discharging port.

Furthermore, the automatic grinding liquid and slag separation device for the grinder also comprises a sedimentation tank and a first infusion device, wherein the sedimentation tank is mutually independent from the water tank, and the first infusion device is used for inputting the grinding liquid which enters the water tank after being filtered into the sedimentation tank for sedimentation.

Further, the first infusion device comprises a first infusion tube and a second power pump, two opposite ends of the first infusion tube are respectively communicated with the sedimentation tank and the water tank, and the second power pump is arranged on the first infusion tube and used for inputting grinding fluid in the water tank into the power in the sedimentation tank.

Further, the grinding liquid slag automatic separation device for the grinding machine further comprises a second infusion device, wherein the second infusion device comprises a second infusion tube and a third power pump, one end of the second infusion tube is communicated with the bottom of the sedimentation tank, the other end of the second infusion tube is communicated with the filter cartridge, and the third power pump is arranged on the second infusion tube and is used as power for inputting sediment in the sedimentation tank into the filter cartridge.

Further, an overflow groove pool is arranged on one side of the sedimentation tank, the overflow groove pool is separated from the sedimentation tank through a partition plate, and an overflow hole which is communicated with the overflow groove pool and the sedimentation tank is formed in the upper end of the partition plate.

Further, the automatic grinding liquid and slag separation device for the grinding machine further comprises a refrigerator, a water tank is arranged on the refrigerator, the water tank is communicated with the overflow trough pool through a connecting pipe, and a refrigerating pipe of the refrigerator is used for refrigerating grinding liquid in the water tank.

Further, the automatic grinding liquid and slag separation device for the grinding machine further comprises a spray washing device, wherein the spray washing device is used for cleaning a refrigerating pipe of the refrigerator.

Further, the spray washing device comprises a spray head and a fifth power pump, the spray head is arranged in the water tank, the fifth power pump is communicated with the spray head through a pipeline, and the fifth power pump is used for pumping cleaning liquid into the spray head and spraying the cleaning liquid through the spray head to clean a refrigerating pipe of the refrigerator.

Compared with the prior art, the utility model has the beneficial effects that:

when the automatic grinding machine is used, the grinding liquid containing the grinding slag is discharged through the liquid collecting box, then the grinding liquid in the liquid collecting box is pumped into the filter cartridge through the first power pump to be filtered, the filtered grinding liquid enters the water tank pool, and the grinding slag is intercepted on the filter cartridge, and because the filter cartridge rotates and blows the grinding slag to the filter cartridge through the blowing device in the filtering process, all the grinding slag attached to the filter cartridge can be blown off on the slag receiving disc through the blowing device, and finally the grinding slag on the slag receiving disc is output to the outside of the water tank pool through the spiral conveying device, so that the automatic separation of the grinding liquid slag is realized, the condition that a worker is required to clean the filter cartridge in time is avoided, and the problem that the grinding quality of a workpiece is influenced due to the fact that the existing filter paper is not replaced in time is effectively solved.

Drawings

FIG. 1 is a schematic view of a grinding fluid residue automatic separation device for a grinder according to the present utility model;

fig. 2 is a schematic structural view of a screw feeder and a slag receiving pan according to an embodiment of the present utility model.

In the figure: 1. a grinder; 10. a liquid collecting box; 101. a flow tube; 20. a sink pool; 201. a filter cartridge; 30. a first power pump; 40. a slag receiving disc; 401. a filter hole; 50. a spiral material conveying device; 501. a screw rod; 502. a sleeve; 5021. a material conveying channel; 5022. a slag discharge port; 503. a second driving device; 60. a slag collecting vehicle; 70. a first infusion tube; 701. a second power pump; 80. a second infusion tube; 801. a third power pump; 90. a sedimentation tank; 91. an overflow trough pool; 92. a connecting pipe; 93. a refrigerating machine; 931. a water tank; 94. a fourth power pump; 95. and a fifth power pump.

Detailed Description

The present utility model will be described with priority in the following description with reference to the drawings and the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model shows an automatic grinding liquid and residue separating device for a grinding machine 1, which comprises a liquid collecting tank 10, a water tank 20, a first power pump 30, a first driving device, an air blowing device and a grinding residue output device. Wherein, the liquid collecting box 10 is used for collecting grinding liquid containing grinding slag discharged by the grinding machine 1; the water tank 20 and the liquid collecting tank 10 are mutually independent, and a filter cartridge 201 is rotatably arranged in the water tank 20; the first power pump 30 is arranged outside the water tank 20 and is used for pumping the grinding fluid in the liquid collecting tank 10 into the filter cartridge 201 for filtering, the filtered grinding fluid enters the water tank 20, and grinding residues in the grinding fluid are intercepted on the filter cartridge 201; the first driving device is arranged on the water tank 20 and is a driving motor for driving the filter cartridge 201 to rotate; the blowing device is fixed on the water tank 20 and is used for blowing off the grinding slag attached to the filter cartridge 201; the grinding slag output device comprises a slag receiving disc 40 and a spiral conveying device 50, wherein the slag receiving disc 40 is arranged in a filter cartridge 201 and is fixedly connected with the spiral conveying device 50, the slag receiving disc 40 is used for receiving grinding slag blown off by the blowing device, a filtering part is arranged on the slag receiving disc 40, the filtering part is a plurality of filtering holes 401 arranged on the bottom wall of the slag receiving disc 40 and is used for filtering grinding liquid on the slag receiving disc 40, grinding slag in the grinding liquid is intercepted on the slag receiving disc 40, and the spiral conveying device 50 is used for outputting the grinding slag on the slag receiving disc 40 to the outside of the water tank 20.

In summary, when the utility model is used, the grinding fluid containing the grinding slag is discharged through the liquid collecting box 10 by the grinding machine 1, then the grinding fluid in the liquid collecting box 10 is pumped into the filter cartridge 201 by the first power pump 30 to be filtered, the filtered grinding fluid enters the water tank 20, and the grinding slag is intercepted on the filter cartridge 201, and because the filter cartridge 201 rotates and blows the grinding slag through the blowing device in the filtering process of the filter cartridge 201, all the grinding slag attached on the filter cartridge 201 can be blown down on the slag receiving disc 40 through the blowing device, and finally the grinding slag on the slag receiving disc 40 is output to the outside of the water tank 20 through the spiral conveying device 50, so that the automatic separation of the grinding fluid slag is realized, the problem that a worker is required to clean the filter cartridge 201 in time, and the problem that the grinding quality of workpieces is influenced due to the fact that the existing filter paper is not replaced in time is effectively solved.

In this embodiment, the screw feeding device 50 includes a screw rod 501, a sleeve 502 and a second driving device 503, where the second driving device 503 is a screw motor, and is disposed outside the water tank 20 and is in driving connection with the first end of the screw rod 501, and the second end of the screw rod 501 is located in the filter cartridge 201, that is, it can be understood that the second end of the screw rod 501 is sequentially rotatably disposed through a side wall of the water tank 20 and an end face of the filter cartridge 201 into the filter cartridge 201, and the rotation axis of the screw rod 501 is parallel to the rotation axis of the filter cartridge 201. Wherein, the sleeve 502 is sleeved on a section of the screw rod 501 close to the second driving device 503 and a material conveying channel 5021 is formed between the sleeve and the screw rod 501, that is, a gap between the inner wall of the sleeve 502 and the outer wall of the screw rod 501 forms the material conveying channel 5021. Of course, the sleeve 502 is provided with a slag discharging port 5022 positioned outside the water tank 20, and the slag receiving tray 40 is fixedly connected with one end of the sleeve 502 away from the second driving device 503 and positioned below the screw 501, specifically, the distance between the screw 501 and the slag receiving tray 40 is D, and the relationship satisfied by D is 0< D <2cm. The second driving device 503 is used for driving the screw 501 to rotate, so that the screw 501 conveys the grinding slag on the slag receiving plate 40 into the feeding channel 5021 and discharges the grinding slag out of the water tank 20 through the slag discharging opening 5022. Of course, a slag collecting vehicle 60 is provided outside the water tank 20, and the slag discharged from the slag discharge port 5022 is collected by the slag collecting vehicle 60. Therefore, when the grinding fluid containing a large amount of grinding residues is pumped into the filter cartridge 201 by the first power pump 30, the grinding fluid enters the water tank 20 under the filtration of the filter cartridge 201, the grinding residues in the grinding fluid are intercepted on the filter cartridge 201, the grinding residues on the filter cartridge 201 are blown down into the residue collecting tray 40 by the blowing device in the rotating process of the filter cartridge 201, even if the grinding fluid enters the residue collecting tray 40, the grinding fluid enters the filter cartridge 201 after being filtered by the filtering part, and then enters the water tank 20 after being filtered by the filter cartridge 201, namely, only the grinding residues remained on the residue collecting tray 40 are driven to rotate by the second driving device 503, and the grinding residues on the residue collecting tray 40 are conveyed to the conveying channel 5021 and then enter the residue collecting trolley 60 through the residue discharging port 5022, so that the automatic separation of the grinding residues is realized.

It should be noted that, the slag receiving pan 40 is located at the upper cavity portion in the filter cartridge 201, and the first power pump 30 pumps the grinding fluid in the water tank 20 into the lower cavity portion in the filter cartridge 201, so that the grinding slag intercepted on the slag receiving pan 40 can be prevented from being affected by the process of pumping the grinding fluid into the filter cartridge 201 by the first power pump 30.

The filter cartridge 201 is formed of a stainless steel filter screen, and the opposite end surfaces of the filter cartridge 201 are closed end surfaces, that is, the polishing liquid in the filter cartridge 201 enters the water tank 20 from the bottom of the filter cartridge 201 after being filtered by the filter cartridge 201, and of course, the size of the filter screen hole on the filter cartridge 201 is designed by the inventor according to the actual situation.

It should be noted that, a gap is formed above the sleeve 502, and the gap is located between the sidewall of the water tank 20 through which the screw rod 501 passes and the end surface of the filter cartridge 201 through which the screw rod 501 passes, so that the rotation condition of the screw rod 501 can be known in real time through the gap, so that an operator can know the state of the screw conveying device 50 for conveying the grinding slag in real time.

In this embodiment, the blowing device includes an air knife located above the filter cartridge 201, where opposite ends of the air knife are fixed on opposite sidewalls in the water tank 20, and there are a large number of applications such as blowing water, blowing dust removal, etc. in the industrial field, such as blowing dust and moisture on a plane such as a steel plate, an aluminum alloy section, etc., blowing impurity dust on a surface of a product, residual liquid, moisture on an outer package, cleaning a conveyor belt, etc. The air knife can perfectly meet the application under the condition of compressed air supply. It is known that the air inlet of the air knife is connected with a compressed air pipe which is used for conveying compressed air to the air knife. Of course, the control valve is arranged on the compressed air pipe, and the control valve is used for controlling the on-off of compressed air delivered to the air knife by the compressed air pipe.

On the basis of the above structure, the automatic grinding liquid and slag separating device for the grinder 1 further comprises a sedimentation tank 90 and a first infusion device, wherein the sedimentation tank 90 is independent of the water tank 20, and the first infusion device is used for inputting the grinding liquid which enters the water tank 20 after filtration into the sedimentation tank 90 for sedimentation. Specifically, the first infusion device comprises a first infusion tube 70 and a second power pump 701, wherein two opposite ends of the first infusion tube 70 are respectively communicated with the sedimentation tank 90 and the water tank 20, and the second power pump 701 is arranged on the first infusion tube 70 and is used for being used as power for inputting the grinding fluid in the water tank 20 into the sedimentation tank 90. That is, it can be understood that after the polishing liquid filtered by the filter cartridge 201 enters the water tank 20, the polishing liquid in the water tank 20 enters the settling tank 90 through the first transfer pipe 70 to be settled by activating the second power pump 701.

In this embodiment, the automatic grinding liquid and residue separating device for the grinding machine 1 of the present utility model further includes a second infusion device, where the second infusion device includes a second infusion tube 80 and a third power pump 801, one end of the second infusion tube 80 is connected to the bottom of the settling tank 90, the other end of the second infusion tube 80 is connected to the filter cartridge 201, and the third power pump 801 is disposed on the second infusion tube 80 and is used as power for inputting the settled residues in the settling tank 90 into the filter cartridge 201. In addition, one side of the settling tank 90 is provided with an overflow tank 91, the overflow tank 91 is separated from the settling tank 90 by a partition plate, and the upper end of the partition plate is provided with an overflow hole which is communicated with the overflow tank 91 and the settling tank 90. It can be understood that, after the grinding fluid in the water tank 20 enters the sedimentation tank 90 to be sedimented, the third power pump 801 is started, and the grinding fluid deposited at the bottom of the sedimentation tank 90 enters the lower cavity part of the filter cartridge 201 through the second infusion tube 80 to be filtered again through the filter cartridge 201 and then enters the water tank 20; and the grinding fluid at the upper end in the settling tank 90 enters the overflow tank 91 through the overflow hole.

In this embodiment, the automatic grinding liquid and slag separating device for the grinder 1 of the present utility model further includes a refrigerator 93, the refrigerator 93 has a water tank 931, the water tank 931 is communicated with the overflow tank 91 through a connection pipe 92, and a refrigeration pipe of the refrigerator 93 is used for refrigerating the grinding liquid in the water tank 931. That is, it can be understood that the polishing liquid in the overflow tank 91 flows into the water tank 931 of the refrigerator 93 through the connection pipe 92, is cooled by the cooling pipe of the refrigerator 93, and is pumped into the double-end-face grinder 1 by the fourth power pump 94 for processing and cooling, thereby realizing recycling and reusing of the polishing liquid.

In this embodiment, the automatic grinding liquid and slag separating device for the grinding machine 1 of the present utility model further includes a spray device for cleaning the cooling pipe of the refrigerator 93. Since small amounts of polishing residues may be stored in the polishing liquid introduced into the water tank 931 of the refrigerator 93 from the overflow tank 91, these small amounts of polishing residues are attached to the cooling pipe of the refrigerator 93 after entering the water tank 931 of the refrigerator 93. In this regard, the present inventors have designed a spray washing device to clean the cooling pipe of the refrigerator 93, thereby preventing the cooling effect from being affected by the abrasion slag being coated on the cooling pipe. Specifically, the spray device includes a spray head (not shown) and a fifth power pump 95, the spray head is disposed in the water tank 931, the fifth power pump 95 is communicated with the spray head through a pipeline, the fifth power pump 95 is used for pumping cleaning liquid into the spray head and spraying the cleaning liquid through the spray head to clean the refrigerating pipe of the refrigerator 93, so that when the refrigerating pipe of the refrigerator 93 needs to be cleaned, the spray device can spray the refrigerating pipe by starting the fifth power pump 95 to pump the cleaning liquid into the spray head.

The working principle of the automatic grinding liquid and slag separation device is as follows: the grinding fluid after the double-end face grinding machine 1 grinds the workpiece flows into the liquid collecting box 10 through the flow pipe 101, the liquid collecting box 10 is separated from the water tank 931 of the refrigerator 93 through the partition plate, the grinding fluid in the liquid collecting box 10 is pumped into the filter cartridge 201 by the first power pump 30 for rotary filtering, the air knife above the filter cartridge 201 blows the filter cartridge 201, the grinding slag filtered out by the filter cartridge 201 is blown into the slag receiving disc 40, the grinding slag on the slag receiving disc 40 is output into the collecting vehicle through the spiral conveying device 50, the grinding fluid filtered by the filter cartridge 201 enters the water tank 20 and is pumped into the sedimentation tank 90 through the second power pump 701 for sedimentation, the grinding fluid enters the overflow tank 91 through the overflow hole after the grinding fluid is sedimented in the sedimentation tank 90, the precipitated slag fluid precipitated at the bottom in the sedimentation tank 90 is pumped into the filter cartridge 201 through the third power pump 801 for secondary filtering, the grinding fluid in the overflow tank 91 flows into the water tank 931 of the refrigerator 93 through the connecting pipe 92, the grinding fluid is cooled through the refrigerating pipe 93, and then enters the double-end face grinding machine 1 through the fourth power pump 94 for cooling, and the grinding fluid is repeatedly used.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. An automatic grinding liquid and slag separating device for a grinding machine, which is characterized by comprising:

a liquid collection tank (10) for collecting the grinding liquid containing the grinding slag discharged from the grinding machine (1);

a water tank (20) which is independent of the liquid collecting box (10), wherein a filter cartridge (201) is rotatably arranged in the water tank (20);

a first power pump (30) for pumping the grinding fluid in the liquid collecting tank (10) into the filter cartridge (201) for filtering;

the first driving device is arranged on the water tank (20) and is used for driving the filter cartridge (201) to rotate;

the blowing device is fixed on the water tank (20) and is used for blowing off the grinding slag attached to the filter cartridge (201);

the grinding slag output device comprises a slag receiving disc (40) and a spiral conveying device (50), wherein the slag receiving disc (40) is arranged in the filter cartridge (201) and fixedly connected with the spiral conveying device (50), the slag receiving disc (40) is used for receiving grinding slag blown off by the blowing device, a filtering part is arranged on the slag receiving disc (40) and used for filtering grinding liquid on the slag receiving disc (40), and the spiral conveying device (50) is used for outputting grinding slag on the slag receiving disc (40) to the outside of the water tank (20).

2. The automatic grinding liquid slag separation device for a grinding machine according to claim 1, wherein the spiral feeding device (50) comprises a spiral rod (501), a sleeve (502) and a second driving device (503), the second driving device (503) is arranged outside the water tank (20) and is in driving connection with a first end of the spiral rod (501), a second end of the spiral rod (501) is located in the filter cylinder (201), a feeding channel (5021) is formed between a part of the spiral rod (501) close to the second driving device (503) and the spiral rod (501), a slag discharging opening (5022) located outside the water tank (20) is formed in the sleeve (502), the slag receiving disc (40) is fixedly located below the spiral rod (501) in a connection mode, which is away from one end of the second driving device (503), and the second driving device (503) is used for driving the spiral rod (501) to rotate so that slag enters the slag receiving disc (501) into the feeding channel (5022) through the feeding channel (5022).

3. The automatic grinding fluid and slag separation device for a grinder according to claim 2, further comprising a slag collection vehicle (60) disposed outside the water tank (20) for collecting the grinding slag discharged from the slag discharge port (5022).

4. The automatic grinding fluid slag separation device for a grinding machine according to claim 1, further comprising a settling tank (90) and a first transfusion device, wherein the settling tank (90) is independent from the water tank (20), and the first transfusion device is used for inputting the grinding fluid which enters the water tank (20) after being filtered into the settling tank (90) for settling.

5. The automatic grinding fluid residue separating device for a grinding machine according to claim 4, wherein the first fluid delivery device comprises a first fluid delivery pipe (70) and a second power pump (701), opposite ends of the first fluid delivery pipe (70) are respectively communicated with the sedimentation tank (90) and the water tank (20), and the second power pump (701) is arranged on the first fluid delivery pipe (70) and is used for being used as power for inputting grinding fluid in the water tank (20) into the sedimentation tank (90).

6. The automatic grinding fluid residue separating device for a grinding machine according to claim 5, further comprising a second infusion device, wherein the second infusion device comprises a second infusion tube (80) and a third power pump (801), one end of the second infusion tube (80) is communicated with the bottom of the settling tank (90), the other end of the second infusion tube (80) is communicated with the filter cartridge (201), and the third power pump (801) is arranged on the second infusion tube (80) and is used for being used as power for inputting settling residues in the settling tank (90) into the filter cartridge (201).

7. The automatic grinding liquid and slag separating device for a grinding machine according to claim 4, wherein an overflow tank (91) is arranged on one side of the settling tank (90), the overflow tank (91) is separated from the settling tank (90) by a partition plate, and an overflow hole which is communicated with the overflow tank (91) and the settling tank (90) is arranged at the upper end of the partition plate.

8. The automatic grinding fluid slag separation device for a grinding machine according to claim 7, further comprising a refrigerator (93), wherein the refrigerator (93) is provided with a water tank (931), the water tank (931) is communicated with the overflow tank (91) through a connecting pipe (92), and a refrigerating pipe of the refrigerator (93) is used for refrigerating the grinding fluid in the water tank (931).

9. An automatic grinding fluid residue separating apparatus for a grinding machine according to claim 8, further comprising a spray washing device for cleaning a refrigerating pipe of the refrigerator (93).

10. The automatic grinding liquid and slag separation device for a grinding machine according to claim 9, wherein the spray device comprises a spray head and a fifth power pump (95), the spray head is arranged in the water tank (931), the fifth power pump (95) is communicated with the spray head through a pipeline, and the fifth power pump (95) is used for pumping cleaning liquid into the spray head and spraying the cleaning liquid through the spray head to clean a refrigerating pipe of the refrigerator (93).

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