A lead powder grinding machine with cutter grinding function

Abstract

The present invention relates to the technical field of lead powder grinders, and in particular to a lead powder grinder with a cutter grinding function. The present invention provides a lead powder grinder with a cutter grinding function that can grind and frost a cutter. A lead powder grinder with a cutter grinding function comprises a base, a grinding box, a sliding door, a lead powder placement box, a sealed door, a guide rail, and a motor, etc. A grinding box is installed in the middle of the upper rear side of the base, the left and right sides of the grinding box are slidably connected to the sliding door, the front lower part of the grinding box is rotatably connected to the sealed door, a lead powder placement box is placed at the bottom of the grinding box, the front and rear sides of the bottom of the grinding box are connected to the guide rails, and the rear side of the inner wall of the grinding box is slidably connected to the motor. When the blade of the cutter is inserted into the strip groove on the grindstone, the cutter in a rotating state rubs against the grindstone, thereby being able to grind the cutter, which is beneficial to maintaining the grinding effect of the cutter on the lead powder.

Description

Technical Field

[0001] The invention relates to the technical field of lead powder grinders, in particular to a lead powder grinder with a cutter grinding function. Background Art

[0002] In the production process of power batteries, lead powder needs to be ground.

[0003] Patent publication number CN207900238U discloses a lead powder grinder, which includes a drive motor, an annular grinding ring, and grinding balls 1 and 2 placed in the grinding ring. Grinding balls 1 and 2 are connected to rotating shaft 1 and rotating shaft 2 respectively. A top cover is fixedly provided on the top of the grinding ring, which is fixedly connected to the output shaft of the drive motor. The output shaft of the drive motor is connected to rotating shaft 1 and rotating shaft 2 through a transmission structure, and the transmission structure drives rotating shaft 1 and rotating shaft 2 to rotate at the same time; the grinding ring is provided with an inlet hole and a discharge hole.

[0004] The surface of the grinding ball in the above patent has evenly distributed cutters, which can cut and crush the lead powder. However, the above patent does not have the function of grinding the cutters. The cutters are easily worn after long-term use, which affects the use effect of the cutters. Therefore, we designed a lead powder grinder with a cutter grinding function that can grind and frost the cutters. Summary of the Invention

[0005] In order to overcome the shortcoming of the prior art that the cutter cannot be polished, the present invention provides a lead powder grinder with a cutter polishing function that can polish and frost the cutter.

[0006] A lead powder grinding machine with a cutter grinding function includes a base, a grinding box, a sliding door, a cutter, a lead powder placement box, a grinding ball, a sealed door, a guide rail and a motor. The grinding box is installed in the middle of the upper rear side of the base, the left and right sides of the grinding box are slidably connected to the sliding doors, the front lower part of the grinding box is rotatably connected to the sealed door, a lead powder placement box is placed at the bottom of the grinding box, the front and rear sides of the bottom of the grinding box are connected to the guide rails, the rear side of the inner wall of the grinding box is slidably connected to the motor, the output shaft of the motor passes through the front and rear guide rails, the output shaft of the motor is movably connected to the front and rear guide rails, a grinding ball is installed on the output shaft of the motor, a cutter is vertically sleeved in the middle of the grinding ball, the grinding ball is located directly above the lead powder placement box, and also includes a grinding mechanism and a frosting mechanism. The grinding mechanism is provided on the left side of the top of the base, and the grinding mechanism is used to grind the cutter. The frosting mechanism is provided on the right rear side of the top of the base, and the frosting mechanism is used to frost the cutter.

[0007] As a preferred technical solution of the present invention, the grinding mechanism includes a telescopic frame, a telescopic spring and a whetstone. The telescopic frame is installed on the left front side of the top of the base. The upper part of the telescopic frame is the telescopic part, and the lower part of the telescopic frame is the fixed part. The whetstone is connected between the upper sides of the telescopic parts of the telescopic frame. The whetstone is located just to the left of the grinding ball. The whetstone is provided with a strip groove for inserting the blade of the cutter. The telescopic spring is wound around the upper left side, the upper middle part and the upper right side of the telescopic frame. The upper and lower ends of the telescopic spring are respectively connected to the whetstone and the fixed part of the telescopic frame. By pulling the motor to the left, the grinding ball and the cutter are driven to move to the left. The cutter moves to the left and drives the blade of the cutter to insert into the strip groove on the whetstone. The cutter in a rotating state rubs against the whetstone to grind the cutter.

[0008] As a preferred technical solution of the present invention, the sanding mechanism includes a fixed frame and sandpaper. The fixed frame is installed on the right rear side of the top of the base. The left side of the fixed frame is arc-shaped. Sandpaper is bonded to the left side of the fixed frame. The sandpaper is located directly to the right of the grinding ball. By moving the motor to the right, the cutting knife is driven to the right by the grinding ball until it contacts the sandpaper. The cutting knife rotates in the rotating state and rubs against the sandpaper, thereby sanding the cutting knife.

[0009] As a preferred technical solution of the present invention, it also includes a cooling mechanism for cooling the cutter during grinding, the cooling mechanism includes a water tank, a water pump and a water outlet pipe. The water tank is installed on the left rear part of the top of the base, and the top of the water tank has a lid. The water tank is located on the left side of the grindstone. A water pump is installed on the top of the water tank, the water pump is connected to the water tank, and the top of the water pump is connected to the water outlet pipe, the water outlet pipe is connected to the water pump, and the water outlet pipe is in an inverted U shape. The grindstone is located directly below the water outlet of the outlet pipe. The water in the water tank is pumped out by the operation of the water pump, and the water is pumped into the outlet pipe. The water flows out from the outlet pipe to the cutter, thereby cooling the cutter during grinding.

[0010] As a preferred technical solution of the present invention, it also includes a dust suction mechanism for absorbing lead powder splashed in the grinding box. The dust suction mechanism includes a suction fan and an air pipe. The suction fan is installed on the right rear side of the top of the base. The suction fan is located below the fixed frame. The upper part of the suction fan is connected to the air pipe. The air pipe is connected to the suction fan. The opening on the left side of the air pipe faces the inside of the grinding box. In the process of grinding the lead powder by the cutter and the grinding ball, a small amount of lead powder splashes into the grinding box. By starting the suction fan, the suction fan operates to absorb the lead powder splashed in the grinding box through the air pipe.

[0011] As a preferred technical solution of the present invention, it also includes a water collection mechanism for automatically collecting water for cooling the cutter. The water collection mechanism includes a support frame and a water collection tank. The support frame is installed on the left rear side of the top of the base. The water collection tank is clamped on the top of the support frame. The water collection tank is located at the lower right side of the grindstone. During the process of grinding the cutter with the grindstone, the water in the water outlet pipe flows onto the cutter, and the water flows into the water collection tank, thereby automatically collecting the water.

[0012] As a preferred technical solution of the present invention, it also includes a rotating mechanism for adjusting the flow rate of water flowing out of the water outlet pipe. The rotating mechanism includes a cylinder, a connecting block and a torsion spring. The cylinder is installed on the left rear part of the base. The connecting block is rotatably connected to the middle of the water outlet pipe. The front side of the connecting block rotatably passes through the front wall of the water outlet pipe. The telescopic part of the cylinder is located on the right front side of the connecting block. A torsion spring is wound around the connecting block. The front and rear ends of the torsion spring are respectively connected to the water outlet pipe and the connecting block. When the telescopic part of the cylinder is extended and retracted to different degrees, the right front side of the connecting block is lifted and the right front side of the connecting block is driven to rotate to different degrees, thereby adjusting the flow rate of water in the water outlet pipe through the connecting block.

[0013] As a preferred technical solution of the present invention, a handle is also included, and the handle is connected between the tops of the left and right sliding doors.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. When the blade of the cutter is inserted into the strip groove on the grindstone, the rotating cutter rubs against the grindstone, thereby grinding the cutter and maintaining the grinding effect of the cutter on the lead powder;

[0016] 2. When the cutter moves to the right and contacts the sandpaper, the cutter rotates and rubs against the sandpaper, thereby grinding the cutter, which is beneficial to further improve the grinding effect of the cutter;

[0017] 3. Water flows from the outlet pipe to the cutter, thereby cooling the cutter during grinding, preventing the cutter from overheating and damage, and facilitating safe grinding of the cutter;

[0018] 4. When the suction fan is running, it absorbs the lead powder splashed out of the grinding box through the air pipe, which can avoid the waste of lead powder and facilitate the recycling of lead powder;

[0019] 5. When the whetstone is grinding the cutter, the water in the outlet pipe flows onto the cutter and then into the water collection tank, which automatically collects the water and prevents the water from flowing into the grinding box and causing adverse effects on the lead powder, thus helping to maintain the quality of the lead powder.

[0020] 6. By rotating the right front side of the connecting block to different degrees, the flow rate of water in the outlet pipe passing through the connecting block can be adjusted to cool the cutters of different temperatures, which is conducive to saving water. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the first viewing angle three-dimensional structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the second viewing angle three-dimensional structure of the present invention.

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the grinding mechanism of the present invention.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the grinding mechanism of the present invention.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the cooling mechanism of the present invention.

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the dust collection mechanism of the present invention.

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the stabilizing mechanism of the present invention.

[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the water collection mechanism of the present invention.

[0029] Figure 9 It is a schematic diagram of the three-dimensional structure of the rotating mechanism of the present invention.

[0030] The markings in the figure are: 1. Base, 2. Grinding box, 21. Sliding door, 22. Cutter, 23. Lead powder placement box, 24. Grinding ball, 25. Sealed door, 26. Guide rail, 27. Handle, 3. Motor, 4. Grinding mechanism, 41. Telescopic frame, 42. Telescopic spring, 43. Whetstone, 5. Sanding mechanism, 51. Fixed frame, 52. Sandpaper, 6. Cooling mechanism, 61. Water storage tank, 62. Water pump, 63. Water outlet pipe, 7. Dust collection mechanism, 71. Suction fan, 72. Air pipe, 8. Water collection mechanism, 81. Support frame, 82. Water collecting tank, 9. Rotating mechanism, 91. Cylinder, 92. Connecting block, 93. Torsion spring. DETAILED DESCRIPTION

[0031] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the concepts of the present invention.

[0032] Example 1

[0033] A lead powder grinding machine with a cutter grinding function, such as Figure 1 and Figure 2 As shown, it includes a base 1, a grinding box 2, a sliding door 21, a cutter 22, a lead powder placement box 23, a grinding ball 24, a sealed door 25, a guide rail 26, a handle 27, a motor 3, a grinding mechanism 4 and a grinding mechanism 5. The grinding box 2 is installed in the middle of the upper rear side of the base 1. There are two sliding doors 21. The two sliding doors 21 are respectively slidably connected to the left and right sides of the grinding box 2. The handle 27 is welded between the tops of the sliding doors 21 on the left and right sides. The sealed door 25 is rotatably connected to the front lower part of the grinding box 2. The lead powder placement box 23 is placed at the bottom of the grinding box 2. The bottom of the grinding box 2 is Guide rails 26 are fixedly connected to the front and rear sides of the part, and the motor 3 is slidably connected to the rear side of the inner wall of the grinding box 2. The output shaft of the motor 3 passes through the front and rear guide rails 26. The output shaft of the motor 3 is movably connected to the front and rear guide rails 26. A grinding ball 24 is installed on the output shaft of the motor 3. The cutter 22 is vertically sleeved in the middle of the grinding ball 24. The grinding ball 24 is located directly above the lead powder placement box 23. A grinding mechanism 4 is provided on the left side of the top of the base 1, and the grinding mechanism 4 is used to grind the cutter 22. A grinding mechanism 5 is provided on the right rear side of the top of the base 1, and the grinding mechanism 5 is used to grind the cutter 22.

[0034] like Figure 1 、 Figure 2 and Figure 3 As shown, the grinding mechanism 4 includes a telescopic frame 41, a telescopic spring 42 and a whetstone 43. The telescopic frame 41 is fixed to the left front side of the top of the base 1. The upper part of the telescopic frame 41 is the telescopic part, and the lower part of the telescopic frame 41 is the fixed part. The whetstone 43 is connected between the upper sides of the telescopic parts of the telescopic frame 41. The whetstone 43 is located just to the left of the grinding ball 24. A strip groove for inserting the blade of the cutter 22 is provided on the whetstone 43. Two telescopic springs 42 are wound around the upper left side, the upper middle and the upper right side of the telescopic frame 41. The upper and lower ends of the telescopic spring 42 are respectively connected to the whetstone 43 and the fixed part of the telescopic frame 41.

[0035] like Figure 1 、 Figure 2 and Figure 4 As shown, the sanding mechanism 5 includes a fixing frame 51 and sandpaper 52. The fixing frame 51 is welded to the right rear side of the top of the base 1. The left side of the fixing frame 51 is arc-shaped. Sandpaper 52 is glued to the left side of the fixing frame 51. The sandpaper 52 is located directly to the right of the grinding ball 24.

[0036] Initially, the sliding door 21 and the sealing door 25 are both in an open state. When lead powder grinding is required, people first pour an appropriate amount of lead powder into the lead powder placement box 23, then push the handle 27 downward, thereby driving the sliding door 21 to move downward and close, and then rotate the sealing door 25 backward to rotate and close. The sliding door 21 and the sealing door 25 seal the grinding box 2, which can prevent the lead powder from floating out during the lead powder grinding process and causing harm to the human body, thereby providing people with a safe lead powder grinding environment. Then, the motor 3 is moved downward, thereby driving the cutter 22 and the grinding ball 24 to move downward to the position where the lead powder is located. The lead powder is placed in the box 23. At this time, the cutter 22 and the grinding ball 24 are in contact with the lead powder. Then the motor 3 is started. The output shaft of the motor 3 rotates to drive the grinding ball 24 to rotate. The grinding ball 24 grinds the lead powder. The rotation of the grinding ball 24 drives the cutter 22 to rotate. The rotation of the cutter 22 grinds the lead powder for the second time, making the lead powder ground more finely, which is beneficial to improving the grinding effect of the lead powder. When the lead powder is ground, the handle 27 is pulled upward to drive the sliding door 21 to move upward and open, and then the sealing door 25 is rotated to open. After that, the motor 3 is turned off and the motor 3 is moved upward, thereby driving the cutter 22 and the grinding ball 24 to move upward. The lead powder placement box 23 is automatically separated from the lead powder placement box 23, and then the lead powder placement box 23 is taken away. Then, the motor 3 is moved up and down to the right side of the grindstone 43, and the motor 3 is pulled to the left, thereby driving the grinding ball 24 and the cutter 22 to move to the left, and then the blade of the cutter 22 is inserted into the strip groove on the grindstone 43, and the motor 3 is started. At this time, the cutter 22 in the rotating state rubs against the grindstone 43, so that the cutter 22 can be polished, which is conducive to maintaining the grinding effect of the cutter 22 on the lead powder. In addition, when the cutter 22 in the rotating state rubs against the grindstone 43, the grindstone 43 vibrates, and the telescopic spring 42 adaptively forms The telescopic portion of the telescopic frame 41 is adaptively telescopic, and the vibration of the whetstone 43 can enhance the grinding of the cutter 22, which is beneficial to improving the effect of grinding the cutter 22. When the cutter 22 is polished, the motor 3 is moved to the right, thereby driving the cutter 22 to move to the right through the grinding ball 24 until it contacts the sandpaper 52. At this time, the cutter 22 in the rotating state rotates and rubs against the sandpaper 52, thereby grinding the cutter 22, which is beneficial to further improve the grinding effect of the cutter 22. When the cutter 22 is polished, the motor 3 is turned off and moved, so that the cutter 22 and the grinding ball 24 are moved and reset for easy use next time.

[0037] Example 2

[0038] On the basis of Example 1, Figure 1 、 Figure 2 and Figure 5As shown, a cooling mechanism 6 is also included. The cooling mechanism 6 includes a water storage tank 61, a water pump 62 and a water outlet pipe 63. The water storage tank 61 is installed at the left rear part of the top of the base 1. The top of the water storage tank 61 has a lid. The water storage tank 61 is located on the left side of the grindstone 43. The water pump 62 is fixedly connected to the top of the water storage tank 61. The water pump 62 is connected to the water storage tank 61. The water outlet pipe 63 is fixedly connected to the top of the water pump 62. The water outlet pipe 63 is connected to the water pump 62. The water outlet pipe 63 is in an inverted U shape. The grindstone 43 is located directly below the water outlet of the water outlet pipe 63.

[0039] When lead powder grinding is required, people open the cover on the water tank 61, pour an appropriate amount of water into the water tank 61, and replace the cover of the water tank 61. When the whetstone 43 is grinding the cutter 22, the water pump 62 is started. The water pump 62 operates to pump out the water in the water tank 61 and pump the water into the water outlet pipe 63. Then the water flows out of the water outlet pipe 63 onto the cutter 22, thereby cooling the cutter 22 during grinding, preventing the cutter 22 from overheating and being damaged, and facilitating safe grinding of the cutter 22. When the cutter 22 is ground, the water pump 62 can be turned off.

[0040] like Figure 1 、 Figure 2 and Figure 6 As shown, a dust suction mechanism 7 is also included. The dust suction mechanism 7 includes a suction fan 71 and an air pipe 72. The suction fan 71 is installed on the right rear side of the top of the base 1. The suction fan 71 is located below the fixed frame 51. The air pipe 72 is fixedly connected to the upper part of the suction fan 71. The air pipe 72 is connected to the suction fan 71, and the opening on the left side of the air pipe 72 faces the inside of the grinding box 2.

[0041] During the process of grinding the lead powder by the cutter 22 and the grinding ball 24, a small amount of lead powder splashes into the grinding box 2. When the lead powder is ground and the sliding door 21 moves upward and opens, the suction fan 71 is started. The suction fan 71 operates through the air pipe 72 to absorb the lead powder splashed in the grinding box 2. This can avoid the waste of lead powder and is conducive to the recycling of lead powder. When the lead powder splashed in the grinding box 2 is completely absorbed, the suction fan 71 can be turned off.

[0042] like Figure 1 、 Figure 2 and Figure 7 As shown, it also includes a water collection mechanism 8, which includes a support frame 81 and a water collection tank 82. The support frame 81 is welded to the left rear side of the top of the base 1, and the water collection tank 82 is clamped on the top of the support frame 81. The water collection tank 82 is located at the lower right side of the grindstone 43.

[0043] During the process of grinding the cutter 22 by the whetstone 43, the water in the outlet pipe 63 flows onto the cutter 22 and flows into the water collecting box 82, thereby automatically collecting the water and preventing the water from flowing into the grinding box 2 and causing adverse effects on the lead powder, which is beneficial to maintaining the quality of the lead powder.

[0044] like Figure 1 、 Figure 2 、 Figure 8 and Figure 9 As shown, it also includes a rotating mechanism 9, which includes a cylinder 91, a connecting block 92 and a torsion spring 93. The cylinder 91 is bolted to the left rear part of the base 1, and the connecting block 92 is rotatably connected to the middle of the water outlet pipe 63. The front side of the connecting block 92 is rotatably passed through the front wall of the water outlet pipe 63. The telescopic part of the cylinder 91 is located on the right front side of the connecting block 92. A torsion spring 93 is wound around the connecting block 92. The front and rear ends of the torsion spring 93 are respectively connected to the water outlet pipe 63 and the connecting block 92.

[0045] During the process of sharpening the cutter 22 with the whetstone 43, the cylinder 91 can be started and the telescopic part of the cylinder 91 can be controlled to extend and retract to different degrees. When the telescopic part of the cylinder 91 is extended and retracted to different degrees, the right front side of the connecting block 92 can be lifted, the torsion spring 93 is adaptively deformed, and the right front side of the connecting block 92 is rotated to different degrees, thereby adjusting the flow rate of water in the water outlet pipe 63 when passing through the connecting block 92, so as to cool the cutters 22 of different temperatures, which is beneficial to saving water. When the cutting knife 22 is polished, the telescopic part of the cylinder 91 is controlled to reset and the cylinder 91 can be closed.

[0046] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A lead powder grinding machine with a cutter grinding function, comprising a base (1), a grinding box (2), a sliding door (21), a cutter (22), a lead powder placement box (23), a grinding ball (24), a sealing door (25), a guide rail (26) and a motor (3), wherein the grinding box (2) is installed in the middle of the upper rear side of the base (1), the left and right sides of the grinding box (2) are both slidably connected to the sliding door (21), the front lower part of the grinding box (2) is rotatably connected to the sealing door (25), and the bottom of the grinding box (2) is provided with lead powder. A placement box (23) is provided, and guide rails (26) are connected to the front and rear sides of the bottom of the grinding box (2). A motor (3) is slidably connected to the rear side of the inner wall of the grinding box (2). The output shaft of the motor (3) passes through the front and rear guide rails (26). The output shaft of the motor (3) is movably connected to the front and rear guide rails (26). A grinding ball (24) is installed on the output shaft of the motor (3). A cutter (22) is vertically sleeved in the middle of the grinding ball (24). The grinding ball (24) is located directly above the lead powder placement box (23). The invention is characterized in that: The base (1) further comprises a grinding mechanism (4) and a frosting mechanism (5), wherein the grinding mechanism (4) is provided on the left side of the top of the base (1), and the grinding mechanism (4) is used to grind the cutter (22); and the frosting mechanism (5) is provided on the right rear side of the top of the base (1), and the frosting mechanism (5) is used to frost the cutter (22); The grinding mechanism (4) includes a telescopic frame (41), a telescopic spring (42) and a grindstone (43). The telescopic frame (41) is installed on the left front side of the top of the base (1). The upper part of the telescopic frame (41) is a telescopic part, and the lower part of the telescopic frame (41) is a fixed part. The upper side of the telescopic part of the telescopic frame (41) is connected with a grindstone (43). The grindstone (43) is located on the left side of the grinding ball (24). A strip groove for inserting the blade of the cutter (22) is opened on the telescopic frame (41). The left side, the middle of the upper part and the right side of the upper part are all wound with telescopic springs (42), and the upper and lower ends of the telescopic springs (42) are respectively connected to the grindstone (43) and the fixed part of the telescopic frame (41). By pulling the motor (3) to the left, the grinding ball (24) and the cutter (22) are driven to move to the left. The cutter (22) moves to the left and drives the blade of the cutter (22) to insert into the strip groove on the grindstone (43). The cutter (22) in the rotating state rubs against the grindstone (43) to grind the cutter (22); The sanding mechanism (5) comprises a fixing frame (51) and sandpaper (52). The fixing frame (51) is installed on the right rear side of the top of the base (1). The left side of the fixing frame (51) is in an arc shape. The sandpaper (52) is bonded to the left side of the fixing frame (51). The sandpaper (52) is located right to the grinding ball (24). By moving the motor (3) to the right, the grinding ball (24) drives the cutter (22) to move to the right until it contacts the sandpaper (52). The cutter (22) in the rotating state rotates and rubs against the sandpaper (52), thereby grinding the cutter (22).

2. A lead powder grinding machine with a cutter grinding function as claimed in claim 1, characterized in that: The invention also includes a cooling mechanism (6) for cooling the cutter (22) during grinding. The cooling mechanism (6) includes a water storage tank (61), a water pump (62) and a water outlet pipe (63). The water storage tank (61) is installed at the left rear part of the top of the base (1). The top of the water storage tank (61) has a cover. The water storage tank (61) is located on the left side of the grindstone (43). The water pump (62) is installed on the top of the water storage tank (61). The water pump (62) and the water storage tank (61) are connected. The top of the water pump (62) is connected to a water outlet pipe (63), which is connected to the water pump (62). The water outlet pipe (63) is in an inverted U shape. The whetstone (43) is located just below the water outlet of the water outlet pipe (63). The water in the water storage tank (61) is pumped out by the operation of the water pump (62), and the water is pumped into the water outlet pipe (63). The water flows out from the water outlet pipe (63) to the cutter (22), thereby cooling the cutter (22) during grinding.

3. A lead powder grinding machine with a cutter grinding function as claimed in claim 2, characterized in that: The invention also includes a dust collecting mechanism (7) for absorbing the lead powder splashed out of the grinding box (2). The dust collecting mechanism (7) includes a suction fan (71) and an air pipe (72). The suction fan (71) is installed on the right rear side of the top of the base (1). The suction fan (71) is located below the fixed frame (51). The upper part of the suction fan (71) is connected to the air pipe (72). The air pipe (72) is connected to the suction fan (71). The opening on the left side of the air pipe (72) faces the inside of the grinding box (2). When the cutter (22) and the grinding ball (24) grind the lead powder, a small amount of lead powder splashes into the grinding box (2). By starting the suction fan (71), the suction fan (71) operates to absorb the lead powder splashed out of the grinding box (2) through the air pipe (72).

4. A lead powder grinding machine with a cutter grinding function as claimed in claim 3, characterized in that: The utility model also includes a water collecting mechanism (8) for automatically collecting water for cooling the cutter (22). The water collecting mechanism (8) includes a support frame (81) and a water collecting tank (82). The support frame (81) is installed on the left rear side of the top of the base (1). The water collecting tank (82) is clamped on the top of the support frame (81). The water collecting tank (82) is located at the lower right of the grindstone (43). When the grindstone (43) grinds the cutter (22), water in the water outlet pipe (63) flows onto the cutter (22) and flows into the water collecting tank (82), thereby automatically collecting water.

5. A lead powder grinding machine with a cutter grinding function as claimed in claim 4, characterized in that: The invention also includes a rotating mechanism (9) for adjusting the flow rate of water flowing out of the water outlet pipe (63). The rotating mechanism (9) includes a cylinder (91), a connecting block (92) and a torsion spring (93). The cylinder (91) is installed at the left rear part of the base (1). The connecting block (92) is rotatably connected to the middle of the water outlet pipe (63). The front side of the connecting block (92) rotatably passes through the front wall of the water outlet pipe (63). The telescopic part of the cylinder (91) is located at the right front side of the connecting block (92). The torsion spring (93) is wound around the connecting block (92). The front and rear ends of the torsion spring (93) are respectively connected to the water outlet pipe (63) and the connecting block (92). When the telescopic part of the cylinder (91) is extended and retracted to different degrees, the right front side of the connecting block (92) is lifted and the right front side of the connecting block (92) is driven to rotate to different degrees, thereby adjusting the flow rate of water in the water outlet pipe (63) when passing through the connecting block (92).

6. A lead powder grinding machine with a cutter grinding function as claimed in claim 1, characterized in that: The utility model further comprises a handle (27), and the handle (27) is connected between the tops of the sliding doors (21) on the left and right sides.

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