Environment-friendly grinding and dust removing device for die steel

Abstract

The utility model discloses an environment-friendly die steel polishing and dust-removing device in the technical field of polishing and dust-removing equipment, which comprises a base and further comprises a fixing frame, the fixing frame is fixedly mounted on the top surface of the base, and an isolation plate is fixedly mounted on the inner side surface of the fixing frame; the machining mechanism is fixedly installed on the inner top face of the fixing frame. The water collecting tank is fixedly mounted on the upper top surface of the isolation plate and is positioned under the processing mechanism; the water tank is fixedly mounted on the top surface of the base, communicates with the water collecting tank and is used for conveying water to the processing mechanism; the cleaning mechanism is connected to the water collecting tank in a sliding manner and is used for cleaning dust in the water collecting tank; the driving mechanism is used for driving the cleaning mechanism to move so as to sweep dust in the water collecting tank; the filtering mechanism is located in the water tank, and the driving mechanism drives the filtering mechanism to move through the cleaning mechanism so as to filter dust in the water tank; and the return mechanism is fixedly mounted on the top surface of the isolation plate and is used for resetting the filtering mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding and dust removal equipment, in particular to an environmentally friendly die steel grinding and dust removal device. Background Art

[0002] Mold steel is a type of steel used to manufacture molds such as cold stamping molds, hot forging molds, and die-casting molds. Mold steel needs to be polished during processing. Since mold steel will produce dust during polishing, it will affect the surrounding environment, so dust removal is required during the mold steel polishing process. However, the existing mold steel polishing and dust removal devices still have certain defects.

[0003] The existing application number is CN202120255073.0, "A mold steel grinding and dust removal device". When in use, dust is removed by spraying water, and the dust falls into the water tank for collection. However, there is a lack of structure for cleaning the water tank. Dust is easily adhered to the water tank and affects the water flow rate after the dust condenses. The effect of dust treatment and recovery is not good. At the same time, the water is filtered through the filter and then recycled. After a long time, dust will adhere to the filter, causing the filter to be blocked, affecting the filtering effect. Therefore, there are deficiencies and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide an environmentally friendly mold steel grinding and dust removal device to solve the problem that the above-mentioned water tank lacks a cleaning structure, dust easily adheres to the water tank, affecting the water flow rate, and dust adheres to the filter, causing blockage and affecting the filtering effect.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An environmentally friendly mold steel grinding and dust removal device comprises a base, and also includes: a fixed frame, the fixed frame is fixedly installed on the top surface of the base, and an isolation plate is fixedly installed on the inner side surface of the fixed frame; a processing mechanism, the processing mechanism is fixedly installed on the inner top surface of the fixed frame; a water collecting trough, the water collecting trough is fixedly installed on the top surface of the isolation plate and is located directly below the processing mechanism; a water tank, the water tank is fixedly installed on the top surface of the base and is connected to the water collecting trough, and the water tank is used to supply water to the processing mechanism; a cleaning mechanism, the cleaning mechanism is slidably connected to the water collecting trough and is used to clean the dust in the water collecting trough; a driving mechanism, the driving mechanism is used to drive the cleaning mechanism to move so as to clean the dust in the water collecting trough; a filtering mechanism, the filtering mechanism is located in the water tank, and the driving mechanism drives the filtering mechanism to move through the cleaning mechanism to filter the dust in the water tank; a return mechanism, the return mechanism is fixedly installed on the top surface of the isolation plate and is used to reset the filtering mechanism.

[0007] As a further solution of the utility model: the water tank includes a water tank shell, a water collecting chamber for storing water is provided in the water tank shell, the filtering mechanism includes a filter frame slidably connected in the water collecting chamber, a filter screen for filtering dust is provided in the filter frame, a movable plate is fixedly connected to the top surface of the filter frame, the free end of the movable plate passes through the water tank shell and the isolation plate, and the cleaning mechanism drives the filter frame and the filter screen through the movable plate to filter the dust in the water tank.

[0008] As a further solution of the utility model: a first moving hole for the moving plate to move is opened on the isolation plate, and a second moving hole for the moving plate to move is opened on the water tank shell; limit plates are provided on both outer sides of the filter frame, and a plurality of rollers are provided on the side of the limit plate away from the filter frame, and moving grooves for the limit plates and rollers to move are opened on both inner side walls of the water tank shell.

[0009] As a further solution of the utility model: the return mechanism includes a return shell fixedly installed on the top surface of the isolation plate, a return cavity is opened in the return shell and is located on either side of the movable plate, a slider is slidably connected in the return cavity, a return rod is provided on the side of the slider close to the movable plate, the return rod extends out of the return cavity on the side away from the slider and is fixedly connected to the movable plate, and a spring is fixedly connected between the slider and the inner side wall of the return cavity.

[0010] As a further solution of the utility model: a water trough is provided in the water collection trough, and the cleaning mechanism includes a cleaning plate slidably connected in the water trough, and a brush for cleaning dust is provided on the side of the cleaning plate close to the bottom of the water trough, and a moving block is fixedly installed on the side of the cleaning plate close to the movable plate, and the moving block is slidably connected in a third moving hole, and the third moving hole passes through the side wall of the water collection trough, and a driving block is fixedly installed on the side of the moving block away from the cleaning plate, and the driving block is fixedly connected to the driving mechanism and driven by the driving mechanism, and a toggle block is provided on the lower end surface of the driving block. When the toggle block slides to the moving plate, the moving plate is driven to move, and a limiting block is fixedly connected to the side of the cleaning plate away from the moving block, and the limiting block is slidably connected in the limiting groove, and the limiting groove is provided on the side wall of the water collection trough, and the thickness of the cleaning plate is less than the limiting block.

[0011] As a further solution of the utility model: the driving mechanism includes an electric push rod fixedly mounted on the isolation plate through a bracket, a telescopic rod is provided inside the electric push rod, and a free end of the telescopic rod is fixedly connected to the driving block.

[0012] As a further solution of the utility model: the water collecting trough is connected with the water tank through a downpipe, the downpipe passes through the isolation plate, the side wall of the water tank is connected with a water pump, and the water pump is connected with a water pump.

[0013] As a further solution of the utility model: the processing mechanism includes a grinding device fixedly installed on the inner side of a fixed frame, the inner side of the fixed frame is provided with a hanger symmetrical to the grinding device, a processing table is fixedly connected between the free ends of the two hangers, a water spray pipe is provided between the grinding device and the two hangers, one end of the water spray pipe is connected to the water suction pipe, and the other end is provided with a nozzle, the water pump draws water in the water tank into the water spray pipe, and the water spray pipe sprays water into the processing table through the nozzle.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model discloses an electric push rod drives the cleaning mechanism to move back and forth through the telescopic rod, so as to clean the dust attached to the bottom of the water collecting tank, thereby preventing the dust from condensing and affecting the water flow rate, and improving the effect of dust treatment and recovery.

[0016] The reciprocating movement in the utility model can be that the electric push rod drives the driving block to move back and forth through the telescopic rod, and the driving block drives the cleaning plate to move back and forth through the moving block. The cleaning plate brushes up the dust attached to the bottom of the water collection tank through the brush to prevent the dust from condensing and affecting the water flow rate.

[0017] In the utility model, when the toggle block slides to the movable plate, the movable plate is driven to move. At the same time, the return mechanism is fixedly installed on the top surface of the isolation plate and is used to reset the filter mechanism. The toggle block can drive the movable plate to move in one direction. When the toggle block returns, the return mechanism drives the movable plate to return, thereby ensuring that the movable plate can make reciprocating motion. The reciprocating motion of the movable plate drives the filter frame and the filter screen to move reciprocatingly and is vibrated, so that dust adhered to the filter screen is vibrated and falls off, thereby avoiding clogging of the filter screen, ensuring that the filter screen can effectively filter water, and ensuring the recycling of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the utility model;

[0019] Figure 2 It is a top view of the utility model;

[0020] Figure 3 It is a partial structural schematic diagram of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the water tank in the utility model;

[0022] Figure 5 It is a top view of the water tank in the utility model.

[0023] In the figure: 1, fixed frame; 11, isolation plate; 12, first movable hole; 2, processing mechanism; 21, grinding device; 22, hanger; 23, processing table; 24, water spray pipe; 25, nozzle; 3, water collection tank; 31, water tank; 32, limit groove; 33, third movable hole; 4, water tank; 41, water tank shell; 42, water collection chamber; 43, downpipe; 44, water pump; 45, second movable hole; 46, movable tank; 5, cleaning mechanism ; 51. Cleaning plate; 52. Moving block; 53. Driving block; 54. Toggle block; 55. Limiting block; 6. Driving mechanism; 61. Electric push rod; 62. Telescopic rod; 63. Bracket; 7. Filter mechanism; 71. Filter frame; 72. Filter screen; 73. Moving plate; 74. Limiting plate; 75. Roller; 8. Return mechanism; 81. Return shell; 82. Return chamber; 83. Slider; 84. Return rod; 85. Spring; 9. Water pump. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example

[0026] An environmentally friendly mold steel grinding and dust removal device comprises a base, and also comprises: a fixed frame 1, the fixed frame 1 is fixedly installed on the top surface of the base, and an isolation plate 11 is fixedly installed on the inner side surface of the fixed frame 1; a processing mechanism 2, the processing mechanism 2 is fixedly installed on the inner top surface of the fixed frame 1, the processing mechanism 2 comprises a grinding device 21 fixedly installed on the inner side surface of the fixed frame 1, the grinding device 21 is used to grind the mold, the inner side surface of the fixed frame 1 is provided with a hanger 22 symmetrical to the grinding device 21, a processing table 23 is fixedly connected between the free ends of the two hangers 22, the processing table 23 is used to carry the mold for grinding by the grinding device 21, a water spray pipe 24 is provided between the grinding device 21 and the two hangers 22, one end of the water spray pipe 24 is connected to the water pump 44, and the other end is provided with a nozzle 25, during the grinding process, a lot of dust will be generated and attached to the air and the processing table 23, at this time, the water spray pipe 24 sprays water from the nozzle 25 to flush the processing table 23 and the surrounding air, so as to remove the dust.

[0027] In this embodiment: the water collecting tank 3 is fixedly installed on the top surface of the isolation plate 11 and is located directly below the processing table 23; the water sprayed from the nozzle 25 will flush the processing table 23 and then fall into the water collecting tank 3, but the dust attached to the water will settle to the bottom of the water collecting tank 3, easily adhere to the water tank, and affect the water flow rate after the dust condenses, and the effect of dust treatment and recovery is not good.

[0028] In this embodiment: the driving mechanism 6 is used to drive the cleaning mechanism 5 to move so as to clean the dust in the sump 3; the driving mechanism 6 includes an electric push rod 61 fixedly mounted on the isolation plate 11 through a bracket 63, and a telescopic rod 62 is provided inside the electric push rod 61. The electric push rod 61 drives the cleaning mechanism 5 to move back and forth through the telescopic rod 62 to clean the dust attached to the bottom of the sump 3, thereby preventing the dust from condensing and affecting the water flow rate, thereby improving the effect of dust treatment and recovery.

[0029] In this embodiment: the cleaning mechanism 5 is slidably connected to the water collecting tank 3, and is used to clean the dust in the water collecting tank 3; a water tank 31 is opened in the water collecting tank 3, and the cleaning mechanism 5 includes a cleaning plate 51 slidably connected in the water tank 31, and a brush for cleaning dust is provided on the side of the cleaning plate 51 close to the bottom of the water tank 31. The cleaning plate 51 moves back and forth, and the dust attached to the bottom of the water collecting tank 3 can be brushed up by the brush to prevent the dust from condensing and affecting the water flow rate.

[0030] In this embodiment: a moving block 52 is fixedly installed on the side of the cleaning plate 51 close to the moving plate 73, and the moving block 52 is slidably connected in the third moving hole 33. The third moving hole 33 passes through the side wall of the sump 3, and a driving block 53 is fixedly installed on the side of the moving block 52 away from the cleaning plate 51. The free end of the telescopic rod 62 is fixedly connected to the driving block 53 and is driven by the driving mechanism 6. The electric push rod 61 drives the driving block 53 to reciprocate through the telescopic rod 62, and the driving block 53 drives the cleaning plate 51 to reciprocate through the moving block 52, so as to achieve the purpose of cleaning dust.

[0031] In the present embodiment: the side of the cleaning plate 51 away from the moving block 52 is fixedly connected to the limiting block 55, the limiting block 55 is slidably connected in the limiting groove 32, the limiting groove 32 is provided on the side wall of the sump 3, the setting of the limiting block 55 and the limiting groove 32 can ensure that the cleaning plate 51 stably reciprocates with the moving block 52 without any offset or jamming. The thickness of the cleaning plate 51 is less than the limiting block 55, which can prevent the limiting block 55 from detaching from the limiting groove 32.

[0032] In this embodiment: the water tank 4 is fixedly installed on the top surface of the base, the water collecting trough 3 is connected to the water tank 4 through a downpipe 43, and the downpipe 43 passes through the isolation plate 11. The downpipe 43 can guide the water with dust attached from the water collecting trough 3 into the water tank 4.

[0033] In this embodiment: the water tank 4 is used to supply water to the processing mechanism 2; the water tank 4 includes a water tank shell 41, and a water collecting chamber 42 for storing water is opened in the water tank shell 41. The water collecting chamber 42 is used to collect the water with dust flowing in through the downpipe 43.

[0034] In this embodiment: the filter mechanism 7 is located in the water tank 4, the driving mechanism 6 drives the filter mechanism 7 to move through the cleaning mechanism 5 to filter the dust in the water tank 4, the filter mechanism 7 includes a filter frame 71 slidably connected in the water collecting chamber 42, and a filter screen 72 for filtering dust is provided in the filter frame 71. The filter frame 71 is used to support the filter screen 72, and the filter screen 72 is used to filter dust attached to the water.

[0035] In this embodiment: a movable plate 73 is fixedly connected to the top surface of the filter frame 71, and the free end of the movable plate 73 passes through the water tank shell 41 and the isolation plate 11. The isolation plate 11 is provided with a first movable hole 12 for the movable plate 73 to move, and the water tank shell 41 is provided with a second movable hole 45 for the movable plate 73 to move. The movable plate 73 can slide back and forth along the first movable hole 12 and the second movable hole 45, and the filter frame 71 and the filter screen 72 are driven to move back and forth during the sliding process.

[0036] In this embodiment: limit plates 74 are provided on both outer sides of the filter frame 71, and a plurality of rollers 75 are provided on the sides of the limit plates 74 away from the filter frame 71. Moving grooves 46 for the limit plates 74 and the rollers 75 to move are provided on both inner side walls of the water tank shell 41. The limit plates 74 and the rollers 75 move along the moving grooves 46, which can not only ensure the stability of the reciprocating movement of the filter frame 71 and the filter screen 72, but also reduce the friction with the two inner side walls of the water tank shell 41. At the same time, there is a certain distance between the two rollers 75 and the two inner side walls of the water tank shell 41 to avoid jamming.

[0037] In this embodiment: a toggle block 54 is provided on the lower end surface of the driving block 53. When the toggle block 54 slides to the movable plate 73, the movable plate 73 is driven to move. At the same time, the return mechanism 8 is fixedly installed on the top surface of the isolation plate 11 and is used to reset the filter mechanism 7. The toggle block 54 can drive the movable plate 73 to move in one direction. When the toggle block 54 returns, the return mechanism 8 drives the movable plate 73 to return, thereby ensuring that the movable plate 73 can make reciprocating motion. The reciprocating motion of the movable plate 73 drives the filter frame 71 and the filter screen 72 to move back and forth, and is vibrated to vibrate the dust adhered to the filter screen 72 to fall off, thereby avoiding clogging of the filter screen 72, ensuring that the filter screen 72 effectively filters the water, and ensuring the recycling of water resources.

[0038] In this embodiment: the return mechanism 8 includes a return shell 81 fixedly mounted on the top surface of the isolation plate 11, a return chamber 82 is provided in the return shell 81, and is located on either side of the movable plate 73, a slider 83 is slidably connected in the return chamber 82, a return rod 84 is provided on the side of the slider 83 close to the movable plate 73, the return rod 84 extends out of the return chamber 82 on the side away from the slider 83, and is fixedly connected to the movable plate 73, a spring 85 is fixedly connected between the slider 83 and the inner side wall of the return chamber 82, when the toggle block 54 drives the movable plate 73 to move in one direction, the return rod 84 and the slider 83 move together with the movable plate 73, the spring 85 is in a stretched state, when the toggle block 54 returns, the spring 85 contracts, and the movable plate 73 is driven to return together through the slider 83 and the return rod 84, thereby ensuring that the movable plate 73 can make reciprocating motion.

[0039] In this embodiment: the side wall of the water tank 4 is connected to a water pump 44, and the water pump 44 is connected to a water pump 9. The water pump 9 draws water from the water tank 4 into the water spray pipe 24, and the water spray pipe 24 sprays water into the processing table 23 through the nozzle 25. The water filtered by the filter 72 flows into the water pump 44, enters the water spray pipe 24 under the action of the water pump 9, and sprays water into the processing table 23 through the nozzle 25 to flush the dust generated during the working process of the grinding device 21.

[0040] Working principle of this utility model:

[0041] First, the electric push rod 61 is started, and the electric push rod 61 drives the driving block 53 to move through the telescopic rod 62, and the driving block 53 drives the cleaning plate 51 to move through the moving block 52. The cleaning plate 51 brushes the dust attached to the bottom of the water collection tank 3 with a brush to prevent the dust from condensing and affecting the water flow rate, and flows into the water collection chamber 42 through the downpipe 43. Then, the filter screen 72 filters the water flow attached with dust, and flows into the water spray pipe 24 through the water pumping pipe 44 for repeated use;

[0042] When the telescopic rod 62 drives the driving block 53 to move to the toggle block 54, the toggle block 54 below the driving block 53 drives the moving plate 73 to move, and the moving plate 73 drives the filter frame 71 and the filter screen 72 to move. At the same time, the moving plate 73 drives the return rod 84 and the slider 83 to move, and the spring 85 is in a stretched state. When the telescopic rod 62 drives the driving block 53 to return, the spring 85 contracts and drives the moving plate 73 to return together through the slider 83 and the return rod 84. The moving plate 73 drives the filter frame 71 and the filter screen 72 to move in the opposite direction. The filter frame 71 and the filter screen 72 reciprocate and vibrate, so that the dust adhered to the filter screen 72 is vibrated and falls off.

[0043] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An environmentally friendly mold steel grinding and dust removal device, comprising a base, characterized in that: Also includes: A fixing frame (1), the fixing frame (1) being fixedly mounted on the top surface of the base, and an isolation plate (11) being fixedly mounted on the inner side surface of the fixing frame (1); A processing mechanism (2), wherein the processing mechanism (2) is fixedly mounted on the inner top surface of the fixing frame (1); A water collecting trough (3), the water collecting trough (3) being fixedly mounted on the top surface of the isolation plate (11) and being located directly below the processing mechanism (2); A water tank (4), the water tank (4) is fixedly mounted on the top surface of the base and is in communication with the water collecting tank (3), and the water tank (4) is used to deliver water to the processing mechanism (2); A cleaning mechanism (5), the cleaning mechanism (5) being slidably connected to the water collecting tank (3) and used for cleaning dust in the water collecting tank (3); A driving mechanism (6), the driving mechanism (6) being used to drive the cleaning mechanism (5) to move so as to clean the dust in the water collecting tank (3); A filtering mechanism (7), wherein the filtering mechanism (7) is located in the water tank (4), and the driving mechanism (6) drives the filtering mechanism (7) to move via the cleaning mechanism (5) so as to filter the dust in the water tank (4); A return mechanism (8), the return mechanism (8) is fixedly mounted on the top surface of the isolation plate (11) and is used to reset the filter mechanism (7).

2. The environmentally friendly mold steel grinding and dust removal device according to claim 1 is characterized in that: The water tank (4) comprises a water tank shell (41), a water collecting chamber (42) for storing water is provided in the water tank shell (41), the filtering mechanism (7) comprises a filtering frame (71) slidably connected in the water collecting chamber (42), a filter screen (72) for filtering dust is provided in the filtering frame (71), a movable plate (73) is fixedly connected to the top surface of the filtering frame (71), a free end of the movable plate (73) passes through the water tank shell (41) and the isolation plate (11), and the cleaning mechanism (5) drives the filtering frame (71) and the filter screen (72) through the movable plate (73) to filter the dust in the water tank (4).

3. The environmentally friendly mold steel grinding and dust removal device according to claim 2 is characterized in that: The isolation plate (11) is provided with a first moving hole (12) for the moving plate (73) to move, and the water tank shell (41) is provided with a second moving hole (45) for the moving plate (73) to move; The filter frame (71) is provided with limiting plates (74) on both outer side surfaces, the limiting plates (74) are provided with a plurality of rollers (75) on the side away from the filter frame (71), and the water tank shell (41) is provided with moving grooves (46) for the limiting plates (74) and the rollers (75) to move.

4. The environmentally friendly mold steel grinding and dust removal device according to claim 3 is characterized by: The return mechanism (8) comprises a return shell (81) fixedly mounted on the top surface of the isolation plate (11), a return chamber (82) being provided in the return shell (81) and being located on either side of the movable plate (73), a slider (83) being slidably connected in the return chamber (82), a return rod (84) being provided on the side of the slider (83) close to the movable plate (73), the return rod (84) extending out of the return chamber (82) on the side away from the slider (83) and being fixedly connected to the movable plate (73), and a spring (85) being fixedly connected between the slider (83) and the inner side wall of the return chamber (82).

5. The environmentally friendly mold steel grinding and dust removal device according to claim 4 is characterized in that: A water tank (31) is provided in the water collecting tank (3), and the cleaning mechanism (5) comprises a cleaning plate (51) slidably connected in the water tank (31), a brush for cleaning dust is provided on the side of the cleaning plate (51) close to the bottom surface of the water tank (31), a moving block (52) is fixedly installed on the side of the cleaning plate (51) close to the moving plate (73), the moving block (52) is slidably connected in the third moving hole (33), the third moving hole (33) passes through the side wall of the water collecting tank (3), and a driving block (53) is fixedly installed on the side of the moving block (52) away from the cleaning plate (51). The driving block (53) is fixedly connected to the driving mechanism (6) and driven by the driving mechanism (6). A toggle block (54) is provided on the lower end surface of the driving block (53). When the toggle block (54) slides to the movable plate (73), the movable plate (73) is driven to move. A limiting block (55) is fixedly connected to the side of the cleaning plate (51) away from the movable block (52). The limiting block (55) is slidably connected in a limiting groove (32). The limiting groove (32) is provided on the side wall of the water collecting tank (3). The thickness of the cleaning plate (51) is smaller than the limiting block (55).

6. The environmentally friendly mold steel grinding and dust removal device according to claim 5 is characterized by: The driving mechanism (6) comprises an electric push rod (61) fixedly mounted on the isolation plate (11) via a bracket (63), a telescopic rod (62) being arranged inside the electric push rod (61), and a free end of the telescopic rod (62) being fixedly connected to the driving block (53).

7. The environmentally friendly mold steel grinding and dust removal device according to claim 6 is characterized by: The water collecting trough (3) is connected to the water tank (4) via a downpipe (43), the downpipe (43) penetrates the isolation plate (11), the side wall of the water tank (4) is connected to a water pump (44), and the water pump (44) is connected to a water pump (9).

8. The environmentally friendly mold steel grinding and dust removal device according to claim 7 is characterized by: The processing mechanism (2) comprises a grinding device (21) fixedly mounted on the inner side of a fixed frame (1); a hanger (22) symmetrical with respect to the grinding device (21) is provided on the inner side of the fixed frame (1); a processing table (23) is fixedly connected between the free ends of the two hangers (22); a water spray pipe (24) is provided between the grinding device (21) and the two hangers (22); one end of the water spray pipe (24) is connected to a water pump (44) and the other end is provided with a nozzle (25); the water pump (9) draws water from the water tank (4) into the water spray pipe (24); and the water spray pipe (24) sprays water into the processing table (23) through the nozzle (25).

Images