Cutter cooling device suitable for grinding machine

Abstract

The invention relates to the technical field of grinding machine machining, in particular to a cutter cooling device suitable for a grinding machine, which comprises a filter box body, the filter box body is internally divided into a second cavity and a first cavity through a horizontal plate, and the second cavity is divided into a water outlet cavity and a third filter cavity through a second filter plate which is horizontally arranged; the interior of the first cavity is divided into a first filtering cavity and a second filtering cavity through a vertically-arranged first filtering plate, a water inlet pipe communicated with the first filtering cavity is arranged on the side face of the filtering box body, a first water pump is installed at the cavity bottom of the second filtering cavity, and a water outlet pipe of the first water pump is communicated with the third filtering cavity. The water outlet cavity is provided with a second water pump on the upper side of the second filter plate, a water outlet pipe of the second water pump is communicated with a water supply pipe on the outer side of the filter box body, and a water spray pipe is mounted on the water supply pipe. The problem that in the prior art, the filtering amount of a cooling device of the grinding machine is rapidly reduced due to the fact that impurities block a filtering net is solved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding machine processing, and in particular to a tool cooling device suitable for a grinding machine. Background Art

[0002] In the field of mechanical processing, grinders are an extremely important processing equipment. Grinding machines are often used to process various workpieces, including grinding the surface of workpieces and grinding workpieces. The processing process includes two methods: dry grinding and wet grinding. In the wet grinding process, the processing part needs to be cooled by coolant. For example, when processing various tools by grinders, due to the large amount of grinding, in order to ensure that the processed tools have good cutting performance and dimensional accuracy, wet grinding is usually used. This can effectively avoid the high temperature generated during the processing process from causing damage to the processed tools and the tools of the grinder itself.

[0003] At present, the main way to cool down the grinding tool is to use coolant pouring. The coolant is sprayed onto the grinding part through a nozzle to directly absorb the heat, and then the coolant is recovered through a circulation system for reuse. However, since the recovered coolant contains a large amount of grinding impurities and particles, in order to prevent these particles and impurities from clogging the nozzles, water pumps, etc. in the circulation system, filters are usually used for filtration.

[0004] However, when the current filtration system filters these impurities and particles, these impurities and particles will adhere to the filter net, causing the filter net to reduce its filtration performance after a short period of use, causing the water output of the nozzle to gradually decrease, thereby affecting the overall cooling effect. Summary of the invention

[0005] The object of the present invention is to provide a tool cooling device suitable for a grinding machine, so as to solve the problem in the prior art that the cooling device of the grinding machine is prone to rapid reduction of filtering volume due to impurities blocking the filter screen.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: A tool cooling device suitable for a grinder comprises a filter box, wherein a second chamber and a first chamber are formed by upper and lower partitions of a horizontal plate in the filter box, the second chamber is divided up and down by a horizontally arranged second filter plate to form a water outlet chamber and a third filter chamber, the first chamber is divided up and down by a vertically arranged first filter plate to form a first filter chamber and a second filter chamber, a water inlet pipe connected to the first filter chamber is arranged on the side of the filter box, a first water pump is installed at the bottom of the second filter chamber, a water outlet pipe of the first water pump is connected to the third filter chamber, a second water pump is installed on the upper side of the second filter plate in the water outlet chamber, the water outlet pipe of the second water pump is connected to a water supply pipe outside the filter box, and a water spray pipe is installed on the water supply pipe.

[0007] A further technical solution is that a third filter plate for dividing the first filter cavity into a front chamber and a rear chamber is arranged between the first filter plate and the water inlet pipe, and the water inlet pipe is connected to the front chamber.

[0008] A further technical solution is that a cleaning basket is arranged in the front chamber for moving up and down, a lifting assembly for driving the cleaning basket to move upward is arranged at the top of the front chamber, a cleaning port connected to the outside of the filter box is arranged near the top of the front chamber, the cleaning port is placed above the water inlet pipe, and a cleaning assembly for cleaning the cleaning basket is arranged at the cleaning port of the filter box.

[0009] A further technical solution is that the lifting assembly includes a traction machine, which is installed on the top of the front chamber. A handle is provided on the upper side of the cleaning basket, and a traction rope of the traction machine is connected to the handle; a counterweight block is installed on the lower side of the cleaning basket.

[0010] A further technical solution is that the cleaning basket includes a bottom plate and side plates vertically arranged around the bottom plate, the bottom plate is provided with a square hole passing through the upper and lower sides, a limit strip is provided on the inner wall surrounding the lower end of the square hole, and a filter plate matching the square hole is provided above the limit strip; when the filter plate is placed in the square hole, the edge of the filter plate is fitted with the upper side of the limit strip; a rotating strip is provided on one side of the filter plate, and the rotating strip is rotatably connected to the hole wall of the square hole through a horizontally arranged rotating shaft.

[0011] A further technical solution is that a limiting groove is provided in the middle depression on the upper side of the filter plate, and a movable hole connected to the lower side of the filter plate is provided at the bottom of the limiting groove, and a movable rod is provided in the movable hole for sliding up and down, and the lower end of the movable rod is connected to a sealing plate under the filter plate, and the end of the filter rod is connected to a limiting plate matching the limiting groove.

[0012] A further technical solution is that the side of the cleaning basket facing the cleaning port is set to be an opening, and the side of the cleaning basket slides up and down and fits with the side of the cavity wall of the front chamber. The cleaning assembly includes an electric telescopic rod, a flexible scraper and a collecting box. The electric telescopic rod is installed on the outside of the filter box, and the telescopic end of the electric telescopic rod extends to the top of the cleaning basket through the cleaning port. The flexible scraper is installed downward at the telescopic end of the electric telescopic rod. When the opening of the cleaning basket moves to be aligned with the cleaning port, the lower end of the flexible scraper fits with the inner bottom of the cleaning basket; the collecting box is installed on the outer wall of the filter box below the cleaning port, and the cleaning port is connected and aligned with the entrance port of the collecting box through a guide plate.

[0013] A further technical solution is that a scraper box is installed on the lower side of the telescopic end of the electric telescopic rod, an adjustment cavity is arranged in the scraper box, an extension port connected to the adjustment cavity is arranged on the lower side of the scraper box, a rotating shaft and a servo motor for driving the rotating shaft to rotate are installed in the adjusting cavity, the upper end of the flexible scraper passes through the adjusting cavity through the extension port, and is wound and fixed on the outer wall of the rotating shaft, a detection rod is installed on the cavity wall of the adjusting cavity facing the cleaning port, a detection hole is arranged at one end of the detection rod facing the flexible scraper, a pressure sensor is installed at the bottom of the detection hole, a sliding rod is slidably arranged in the detection hole, the end of the sliding rod placed in the detection hole is connected to the top of the pressure sensor through a spring, and the end of the sliding rod placed outside the detection hole is connected to the top of the flexible scraper through a sliding wheel.

[0014] A further technical solution is that a sliding bar is vertically arranged on the cavity wall of the front chamber, and a sliding groove matching the sliding bar is recessed on the side wall of the cleaning basket, and the sliding bar is slidably engaged in the sliding groove. Compared with the prior art, the beneficial effects of the present invention are: 1. The first filter plate is arranged vertically. During filtering, most of the impurities in the first filter cavity will settle to the bottom of the first filter cavity and will not adhere to the first filter plate, thereby extending the service life of the first filter plate and preventing impurities from quickly blocking the first filter plate; 2. The second filter plate adopts a filtering method from the bottom right to the top, which can prevent impurities from adhering to the second filter plate to a greater extent, extending the service life of the second filter plate and preventing impurities from quickly blocking the second filter plate; 3. Through two-stage filtration, the quality of the coolant can be improved and impurities can be prevented from blocking the water spray port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the installation of a filter box of a tool cooling device suitable for a grinder on a grinder body according to the present invention Figure 1 .

[0016] Figure 2 Schematic diagram of the installation of a filter box of a tool cooling device suitable for a grinder on a grinder body according to the present invention Figure 2 .

[0017] Figure 3 Schematic diagram of the installation of a filter box of a tool cooling device suitable for a grinder on a grinder body according to the present invention Figure 3 .

[0018] Figure 4 The present invention is a schematic side section view of a filter box of a tool cooling device suitable for a grinder.

[0019] Figure 5 The present invention is a schematic diagram of a cleaning basket of a filter box of a tool cooling device suitable for a grinder.

[0020] Figure 6A partial schematic diagram of the cleaning port of a filter box of a tool cooling device suitable for a grinder according to the present invention Figure 7 for Figure 6 A partial enlarged schematic diagram of the area marked A in the middle.

[0021] Figure 8 The present invention is a schematic cross-sectional view of a scraper box of a tool cooling device suitable for a grinder.

[0022] Icons: 1-filter box, 2-horizontal plate, 3-second filter plate, 4-water outlet chamber, 5-third filter chamber, 6-first filter plate, 7-first filter chamber, 8-second filter chamber, 9-water inlet pipe, 10-first water pump, 11-second water pump, 13-water supply pipe, 14-water spray pipe, 15-front chamber, 16-rear chamber, 17-third filter plate, 18-cleaning basket, 19-cleaning port, 20-tractor, 21-handle, 22-counterweight, 23-opening, 24-electric telescopic rod, 25-flexible scraper, 26-collection box, 27-guide plate , 28-scraper box, 29-adjusting chamber, 30-extending port, 31-rotating shaft, 32-detection rod, 33-detection hole, 34-pressure sensor, 35-sliding rod, 36-spring, 37-sliding wheel, 38-sliding bar, 39-sliding groove, 40-bottom plate, 41-side plate, 42-square hole, 43-limiting bar, 44-filter plate, 45-rotating bar, 46-rotating shaft, 47-limiting groove, 48-movable hole, 49-movable rod, 50-sealing plate, 51-limiting plate, 52-grinder body, 53-clamp assembly, 54-grinding wheel frame assembly. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] Figures 1 to 8 An embodiment of the present invention is shown.

[0025] Example: A tool cooling device suitable for a grinding machine comprises a filter box 1, wherein the filter box is divided into a second chamber and a first chamber by a horizontal plate 2, the second chamber is divided into a water outlet chamber 4 and a third filter chamber 5 by a horizontally arranged second filter plate 3, the first chamber is divided into a first filter chamber 7 and a second filter chamber 8 by a vertically arranged first filter plate 6, a water inlet pipe 9 connected to the first filter chamber 7 is arranged on the side of the filter box 1, a first water pump 10 is installed at the bottom of the second filter chamber 8, the water outlet pipe of the first water pump 10 is connected to the third filter chamber 5, a second water pump 11 is installed on the upper side of the second filter plate 3 of the water outlet chamber 4, the water outlet pipe of the second water pump 11 is connected to the water supply pipe 13 outside the filter box 1, and a water spray pipe 14 is installed on the water supply pipe 13. The first filter plate 6 is arranged vertically. During filtering, most of the impurities in the first filter chamber 7 will settle to the bottom of the first filter chamber 7 and will not adhere to the first filter plate 6, thereby extending the service life of the first filter plate 6 and preventing impurities from quickly blocking the first filter plate 6. The second filter plate 3 adopts a filtering method from the lower right to the upper right, which can prevent impurities from adhering to the second filter plate 3 to a greater extent, extending the service life of the second filter plate 3 and preventing impurities from quickly blocking the second filter plate 3. Through two-stage filtration, the quality of the coolant can be improved and impurities can be prevented from blocking the water outlet. Figure 1-3 As shown, the filter box 1 is installed on the outside of the grinder body 52. ​​The water supply pipe 13 is inserted into the inside of the grinder body 52, and then the water spray pipe 14 is aligned with the fixture assembly 53 and the grinding wheel frame assembly 54 to wash and cool the grinding position. A water collection tank is provided at the inner bottom of the grinder body 52, and the bottom of the water collection tank is inclined toward the water inlet pipe 9. After the water sprayed by the water spray pipe 14 cools the grinding wheel, it accumulates in the water collection tank and flows into the first filter chamber 7 through the water inlet pipe 9.

[0026] The first filter chamber 7 is provided with a third filter plate 17 between the first filter plate 6 and the water inlet pipe 9 for dividing the first filter chamber 7 into a front chamber 15 and a rear chamber 16, and the water inlet pipe 9 is connected to the front chamber 15. By providing the third filter plate 17, the number of filtering stages is increased, and the filtering effect can be improved. The filtering accuracy of the third filter plate 17, the first filter plate 6, and the second filter plate 3 is gradually increased.

[0027] A cleaning basket 18 is provided in the front chamber 15 for moving up and down, and a lifting assembly for driving the cleaning basket 18 to move upward is provided at the top of the front chamber 15. A cleaning port 19 connected to the outside of the filter box 1 is provided near the top of the front chamber 15, and the cleaning port 19 is placed above the water inlet pipe 9. The filter box 1 is provided with a cleaning assembly for cleaning the cleaning basket 18 at the position of the cleaning port 19. After the front chamber 15 is used for filtering for a period of time, a large amount of impurities, particles, etc. will accumulate in the front chamber 15, which will affect the filtering effect of the third filter plate 17. Therefore, the cleaning basket 18 is regularly driven by the lifting assembly to bring the impurities and particles accumulated in the front chamber 15 to the position of the cleaning port 19, and the cleaning is carried out by the cleaning assembly, which can reduce the maintenance frequency of the entire cooling device and increase the service life.

[0028] The lifting assembly includes a tractor 20, which is installed on the top of the front chamber 15. A handle 21 is provided on the upper side of the cleaning basket 18, and the traction rope of the tractor 20 is connected to the handle 21; a counterweight 22 is installed on the lower side of the cleaning basket 18. The handle 21 is provided to facilitate connection with the traction rope of the tractor 20 to drive the cleaning basket 18 to move upward. The counterweight 22 is provided to enable the cleaning basket 18 to smoothly descend by gravity when the cleaning basket 18 moves downward.

[0029] The cleaning basket 18 includes a bottom plate 40 and a side plate 41 vertically arranged around the bottom plate 40. The bottom plate 40 is provided with a square hole 42 penetrating the upper and lower sides, and a limit strip 43 is provided on the inner wall surrounding the lower end of the square hole 42. A filter plate 44 matching the square hole 42 is provided above the limit strip 43 of the square hole 42; when the filter plate 44 is placed in the square hole 42, the upper side of the edge limit strip 43 of the filter plate 44 is fitted; a rotating strip 45 is provided on one side of the filter plate 44, and the rotating strip 45 is rotatably connected to the hole wall of the square hole 42 through a horizontally arranged rotating shaft 4631. With such a configuration, when the cleaning basket 18 rises, the coolant flows from top to bottom through the filter plate 44, which can drive the filter plate 44 to fit into the square hole 42, and the limit strip 43 is used to fix the filter plate 44, so that the coolant can basically only pass through the filter plate 44, so that the impurities and particles in the coolant will be filtered by the filter plate 44 and accumulated in the cleaning basket 18, and when it moves to the cleaning port 19, it can be cleaned with the help of the cleaning assembly. When the cleaning basket 18 descends, since the coolant passes through the square hole 42 from bottom to top, it will drive the filter plate 44 to flip around the rotating shaft 4631, so that most of the coolant does not pass through the filter plate 44, but directly enters the top of the cleaning basket 18 through the square hole 42, so that it is convenient for the cleaning basket 18 to be filtered when it moves upward next time.

[0030] A limit groove 47 is provided in the middle depression of the upper side of the filter plate 44, and a movable hole 48 is provided at the bottom of the limit groove 47, which is connected to the lower side of the filter plate 44. A movable rod 49 is provided in the movable hole 48 for sliding up and down. The lower end of the movable rod 49 is connected to a sealing plate 50 below the filter plate 44, and the end of the filter rod is connected to a limit plate 51 matching the limit groove 47. With such a configuration, when the cleaning basket 18 moves upward, the coolant drives the sealing plate 50 to move downward from top to bottom, so that the filter plate 44 fits in the square hole 42. When the cleaning basket 18 moves downward, the coolant impact drives the sealing plate 50 to move upward to fit the lower side of the filter plate 44, thereby pushing the filter plate 44 to flip, and reducing the amount of coolant passing through the filter plate 44.

[0031] The side of the cleaning basket 18 facing the cleaning port 19 is set as an opening 23, and the side of the cleaning basket 18 slides up and down with the side of the cavity wall of the front chamber 15. The cleaning assembly includes an electric telescopic rod 24, a flexible scraper 25 and a collecting box 26. The electric telescopic rod 24 is installed on the outside of the filter box 1, and the telescopic end of the electric telescopic rod 24 extends to the top of the cleaning basket 18 through the cleaning port 19. The flexible scraper 25 is installed downward on the telescopic end of the electric telescopic rod 24. When the opening 23 of the cleaning basket 18 moves to be aligned with the cleaning port 19, the lower end of the flexible scraper 25 is fitted with the inner bottom of the cleaning basket 18; the collecting box 26 is installed on the outer wall of the filter box 1 below the cleaning port 19, and the cleaning port 19 is connected and aligned with the entrance of the collecting box 26 through the guide plate 27. With such an arrangement, when cleaning, the electric telescopic rod 24 is extended in advance, and before the cleaning basket 18 rises, the flexible scraper 25 is driven to the position of the cleaning basket 18 away from the cleaning port 19. When the cleaning basket 18 rises to the position, the electric telescopic rod 24 drives the flexible scraper 25 to scrape away the impurities and particles on the cleaning basket 18, and the impurities and particles fall through the opening 23 and the cleaning port 19 onto the guide plate 27, and then fall into the collection box 26 through the guide plate 27.

[0032] A scraper box 28 is installed on the lower side of the telescopic end of the electric telescopic rod 24, and an adjusting chamber 29 is arranged in the scraper box 28. A projection 30 connected to the adjusting chamber 29 is arranged on the lower side of the scraper box 28. A rotating shaft 4631 and a servo motor for driving the rotating shaft 4631 to rotate are installed in the adjusting chamber 29. The upper end of the flexible scraper 25 passes through the adjusting chamber 29 through the projection 30 and is wound and fixed on the outer wall of the rotating shaft 4631. A detection rod 32 is installed on the cavity wall of the adjusting chamber 29 facing the cleaning port 19. A detection hole 33 is arranged at one end of the detection rod 32 facing the flexible scraper 25. A pressure sensor 34 is installed at the bottom of the detection hole 33. A sliding rod 35 is slidably arranged in the detection hole 33. One end of the sliding rod 35 placed in the detection hole 33 is connected to the pressure sensor 34 by a spring 36, and one end of the sliding rod 35 placed outside the detection hole 33 is connected to the flexible scraper 25 by a sliding wheel 37. Since the flexible scraper 25 works for a long time, the lower end of the flexible scraper 25 is in contact with the cleaning basket 18 for a long time, which may easily cause the lower end of the flexible scraper 25 to break. After the break occurs, when the cleaning basket 18 moves into place, the lower end of the flexible scraper 25 cannot contact the cleaning basket 18 during cleaning, so that impurities and particles cannot be removed, and the cleaning effect cannot be achieved. Therefore, by setting the detection rod 32, the pressure sensor 34, the spring 36 and the slide bar 35 to cooperate, it is possible to detect different pressure values ​​of the flexible scraper 25 during normal use and after the break, so as to determine whether the break occurs. When the flexible scraper 25 does not break, during the movement, the lower end of the flexible scraper 25 contacts the cleaning basket 18, so that the flexible scraper 25 will push the slide bar 35 to compress the spring 36, thereby causing the pressure value of the pressure sensor 34 to change through the spring 36. After the flexible scraper 25 breaks, during the movement, the lower end of the flexible scraper 25 cannot contact the cleaning basket 18, so it cannot push the slide bar 35 to compress the spring 36, or the compression amount of the spring 36 caused by pushing the slide bar 35 is much less than when it is not broken. At this time, the servo motor drives the rotating shaft 4631 to rotate, so that the lower end of the flexible scraper 25 moves downward by a certain distance. After moving a certain distance, the electric lifting and retracting rod drives the flexible scraper 25 to move back and forth to detect whether the pressure value generated by the pressure sensor 34 returns to normal. If it returns to normal, the flexible scraper 25 will not continue to descend. If it does not reach the normal value, the servo motor drives the lower end of the flexible scraper 25 to continue to descend by a certain distance. In addition, when the pressure sensor 34 detects that the flexible scraper 25 is broken, the control system notifies the operator, and the operator can check whether the flexible scraper 25 is adjusted in place in time and whether manual intervention is required.

[0033] A sliding bar 38 is vertically arranged on the cavity wall of the front chamber 15, and a sliding groove 39 matching the sliding bar 38 is recessed on the side wall of the cleaning basket 18, and the sliding bar 38 is slidably engaged in the sliding groove 39. By providing the sliding bar 38 and the sliding groove 39, it can play a stabilizing role when the cleaning basket 18 moves up and down, and prevent the cleaning basket 18 from tilting or turning over. Generally, a plurality of sliding bars 38 and sliding grooves 39 are provided in a matching manner, and are arranged around the periphery of the cleaning basket 18.

[0034] Although the present invention is described herein with reference to a number of illustrative embodiments of the present invention, it will be appreciated that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure, drawings, and claims, a variety of variations and modifications may be made to the components and / or layout of the subject combination layout. In addition to the variations and modifications made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A tool cooling device suitable for a grinding machine, characterized in that: The invention comprises a filter box (1), wherein the filter box is divided into a second chamber and a first chamber by a horizontal plate (2) and the second chamber is divided into a water outlet chamber (4) and a third filter chamber (5) by a horizontally arranged second filter plate (3), and the first chamber is divided into a first filter chamber (7) and a second filter chamber (8) by a vertically arranged first filter plate (6). A water inlet pipe (9) connected to the first filter chamber (7) is arranged on the side of the filter box (1), and a first water pump (10) is installed at the bottom of the second filter chamber (8). The water outlet pipe of the first water pump (10) is connected to the third filter chamber (5). A second water pump (11) is installed on the upper side of the second filter plate (3) of the water outlet chamber (4), and the water outlet pipe of the second water pump (11) is connected to a water supply pipe (13) outside the filter box (1), and a water spray pipe (14) is installed on the water supply pipe (13).

2. A tool cooling device suitable for a grinding machine according to claim 1, characterized in that: The first filter chamber (7) is provided with a third filter plate (17) between the first filter plate (6) and the water inlet pipe (9) for dividing the first filter chamber (7) into a front chamber (15) and a rear chamber (16); the water inlet pipe (9) and the front chamber (15) are in communication.

3. A tool cooling device suitable for a grinding machine according to claim 2, characterized in that: A cleaning basket (18) is arranged in the front chamber (15) to move up and down, a lifting assembly for driving the cleaning basket (18) to move upward is arranged at the top of the front chamber (15), a cleaning port (19) in communication with the outside of the filter box (1) is arranged near the top of the front chamber (15), the cleaning port (19) is located above the water inlet pipe (9), and a cleaning assembly for cleaning the cleaning basket (18) is arranged at the cleaning port (19) of the filter box (1).

4. The tool cooling device for a grinding machine according to claim 3, characterized in that: The lifting assembly comprises a traction machine (20), the traction machine (20) being mounted on the top of the front chamber (15), a handle (21) being provided on the upper side of the cleaning basket (18), a traction rope of the traction machine (20) being connected to the handle (21); and a counterweight (22) being mounted on the lower side of the cleaning basket (18).

5. The tool cooling device for a grinding machine according to claim 4, characterized in that: The cleaning basket (18) comprises a bottom plate (40) and a side plate (41) vertically arranged around the bottom plate (40); the bottom plate (40) is provided with a square hole (42) penetrating the upper and lower sides; a limit strip (43) is arranged around the inner wall of the lower end of the square hole (42); a filter plate (44) matching the square hole (42) is arranged above the limit strip (43); when the filter plate (44) is placed in the square hole (42), the edge of the filter plate (44) is in contact with the upper side of the limit strip (43); a rotating strip (45) is arranged on one side of the filter plate (44); the rotating strip (45) is rotatably connected to the hole wall of the square hole (42) via a horizontally arranged rotating shaft (46) (31).

6. The tool cooling device for a grinding machine according to claim 5, characterized in that: A limit groove (47) is provided in a recessed middle portion of the upper side of the filter plate (44); a movable hole (48) communicating with the lower side of the filter plate (44) is provided at the bottom of the limit groove (47); a movable rod (49) is provided in the movable hole (48) for sliding up and down; a sealing plate (50) is connected to the lower end of the movable rod (49) below the filter plate (44); and a limit plate (51) matching the limit groove (47) is connected to the end of the filter rod.

7. The tool cooling device for a grinding machine according to claim 6, characterized in that: The cleaning basket (18) is provided with an opening (23) on one side facing the cleaning opening (19); the side edge of the cleaning basket (18) is slidably fitted with the side edge of the cavity wall of the front chamber (15) up and down; the cleaning assembly comprises an electric telescopic rod (24), a flexible scraper (25) and a collection box (26); the electric telescopic rod (24) is mounted on the outside of the filter housing (1), and the telescopic end of the electric telescopic rod (24) is extended through the cleaning opening (19) to the upper side of the cleaning basket (18); The flexible scraper (25) is mounted downwardly on the telescopic end of the electric telescopic rod (24); when the opening (23) of the cleaning basket (18) moves to align with the cleaning port (19), the lower end of the flexible scraper (25) fits against the inner bottom of the cleaning basket (18); the collection box (26) is mounted on the outer wall of the filter housing (1) below the cleaning port (19); the cleaning port (19) is connected and aligned with the inlet of the collection box (26) through a guide plate (27).

8. The tool cooling device for a grinding machine according to claim 7, characterized in that: A scraper box (28) is installed at the lower side of the telescopic end of the electric telescopic rod (24), and an adjustment chamber (29) is arranged in the scraper box (28). A projection opening (30) connected to the adjustment chamber (29) is arranged at the lower side of the scraper box (28). A rotating shaft (46) (31) and a servo motor for driving the rotating shaft (46) (31) to rotate are installed in the adjustment chamber (29). The upper end of the flexible scraper (25) passes through the projection opening (30) into the adjustment chamber (29) and is wound and fixed on the outer wall of the rotating shaft (46) (31). The adjustment chamber (29) ) A detection rod (32) is installed on the cavity wall facing the cleaning port (19), a detection hole (33) is provided at one end of the detection rod (32) facing the flexible scraper (25), a pressure sensor (34) is installed at the bottom of the detection hole (33), a sliding rod (35) is slidably arranged in the detection hole (33), one end of the sliding rod (35) placed in the detection hole (33) is connected to the pressure sensor (34) by a spring (36), and one end of the sliding rod (35) placed outside the detection hole (33) is connected to the flexible scraper (25) by a sliding wheel (37).

9. The tool cooling device for a grinding machine according to claim 3, characterized in that: A sliding bar (38) is vertically arranged on the cavity wall of the front chamber (15), and a sliding groove (39) matching the sliding bar (38) is recessed on the side wall of the cleaning basket (18), and the sliding bar (38) is slidably engaged in the sliding groove (39).

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