Grinding device for processing silver-coated copper powder

Abstract

The utility model discloses a grinding device for silver coated copper powder processing, which relates to the field of copper powder grinding processing and comprises a grinding box, a crushing box arranged on the grinding box, two groups of crushing rollers rotatably mounted in the crushing box, a driving mechanism arranged at the front end of the crushing box, and a rotating frame arranged in the grinding box. A spring is fixedly connected between the rotating frame and the grinding box, a first filter screen is fixedly installed on the rotating frame, a shaking assembly is arranged on the grinding box and synchronously driven by a driving mechanism, a grinding assembly is arranged on the lower side of the first filter screen, and a fan used for taking materials is arranged on the right side of the grinding assembly. The driving mechanism is matched with the crushing roller to crush raw materials, meanwhile, the shaking assembly is synchronously driven, so that the shaking assembly drives the first filter screen to periodically shake up and down, crushed copper powder is screened, qualified copper powder enters the grinding cylinder through the material guide frame and the material guide pipe, and the granularity of the copper powder before grinding is kept uniform; therefore, the grinding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper powder grinding processing field, concretely relates to a kind of grinding device for silver-coated copper powder processing. BACKGROUND

[0002] Silver-coated copper powder is a kind of material, usually refers to the product of a layer of silver on the surface of copper powder.This processing is mainly to improve the conductivity and oxidation resistance of copper powder, while maintaining its good physical and chemical properties.Commonly used in conductive paste, electronic paste, resistance paste and other fields.In the silver-coated copper powder processing preparation process, copper powder is needed as main raw material, which needs to be accurately weighed and mixed to ensure the appropriate proportion and quality.

[0003] The traditional silver-coated copper powder processing device has the problems of uneven or large particle size of copper powder during processing, which does not meet the particle size distribution requirements of the product.The larger particles may not be efficiently ground, and may also cause excessive grinding, damaging the structure, and cannot guarantee the quality and consistency of the final product.Based on this, the present scheme provides a kind of silver-coated copper powder processing grinding device to solve the above problems. SUMMARY

[0004] To solve the above technical problems, a kind of silver-coated copper powder processing grinding device is provided, which solves the problems in the above background technology.

[0005] To achieve the above purposes, the technical scheme adopted by the utility model is as follows:

[0006] A kind of silver-coated copper powder processing grinding device, including grinding box, the inner wall of grinding box is fixedly connected with partition, grinding box is provided with crushing box, two groups of crushing rollers are rotatably installed in the inside of crushing box, the front end of crushing box is provided with driving mechanism for driving two groups of crushing rollers to rotate, the upper end of crushing box is fixedly installed with feed inlet, the lower end of crushing box is provided with discharge outlet connected with grinding box, the lower side of discharge outlet is provided with rotating frame rotatably installed on grinding box, spring is fixedly connected between the right end of rotating frame and grinding box, the front and back sides of filter screen one are both provided with guide plate fixedly connected on rotating frame, filter screen one is fixedly installed on rotating frame, grinding box is provided with shaking assembly for driving rotating frame to shake, and shaking assembly is synchronously driven by driving mechanism, the lower side of filter screen one is provided with guide frame fixedly connected on grinding box, the lower side of guide frame is provided with grinding assembly for grinding, guide frame and grinding assembly are provided with guide pipe for feeding between them, the right side of grinding assembly is provided with fan for taking material.

[0007] Preferably, the driving mechanism comprises a mounting frame fixedly connected to the front end of the crushing box, a servo motor fixedly mounted on the mounting frame, a gear one fixedly connected to the output shaft of the servo motor, a gear two meshingly connected to one side of the gear one, the gear one and the gear two being fixedly connected with two groups of crushing rollers through shafts respectively, a driving wheel fixedly connected to the front end of the gear two, a belt sleeved on the driving wheel, and a driven wheel sleeved on the belt and fixedly connected with the shaking assembly.

[0008] Preferably, the shaking assembly comprises a rotating shaft fixedly connected with the driven wheel, a mounting plate fixedly mounted on the top end of the grinding box is arranged on one side of the rotating shaft, one end of the rotating shaft penetrates through the mounting plate and is fixedly connected with a rotating disc, the rotating disc is fixedly connected with a driving block, the driving block is slidably connected with a driving rod, a driving groove for matching the sliding of the driving block is formed in the driving rod, the two ends of the driving rod are fixedly connected with moving rods, two groups of sliding grooves for matching the sliding of the moving rods are formed in the mounting plate, the lower end of the driving rod is fixedly connected with a pressing rod, and the lower end of the pressing rod penetrates through the inside of the grinding box and abuts against the upper end face of the rotating frame.

[0009] Preferably, a waste box is arranged on the partition plate, and the upper end of the waste box is arranged at the lower side of the right end of the rotating frame.

[0010] Preferably, the grinding assembly comprises a rotating block fixedly connected with the material guide pipe, a rotating seat fixedly mounted on the bottom of the grinding box is arranged on one side of the rotating block, a grinding cylinder is rotatably mounted on the rotating seat, the rotating block is rotatably connected with the grinding cylinder, a fixed cylinder is rotatably mounted at the right end of the grinding cylinder, the fixed cylinder is fixedly connected with the lower end of the partition plate, a plurality of groups of fixed blocks are fixedly connected to the inner wall of the grinding cylinder, a plurality of groups of grinding balls are arranged in the grinding cylinder, a fixed frame is fixedly mounted on the right side inner wall of the grinding cylinder, a second filter screen is fixedly mounted on the fixed frame, and the bottom of the grinding box is provided with a driving piece for driving the grinding cylinder to rotate.

[0011] Preferably, the driving piece comprises a rotating motor fixedly mounted on the bottom of the grinding box, a transmission gear is fixedly connected to the output shaft of the rotating motor, one end of the transmission gear is meshingly connected with a gear ring, and the gear ring is fixedly mounted on the grinding cylinder.

[0012] Preferably, a cleaning brush for cleaning the second filter screen is fixedly mounted in the fixed cylinder, and a wind pipe is fixedly mounted between the fixed cylinder and the fan.

[0013] Compared with the prior art, the grinding device for processing silver-coated copper powder has the following advantages

[0014] Beneficial effects:

[0015] 1. The utility model product includes broken roll, can drive broken roll to the raw materials and carry out broken treatment through the driving mechanism, and the copper powder after broken treatment falls to the filter screen one of the rotating frame along the discharge gate, and through the driving mechanism synchronous belt drive's shaking component, so that the pressure rod in the shaking component can periodically move up and down, cooperate the spring fixedly connected between the rotating frame and the grinding box, so that the rotating frame drives the filter screen one to periodically shake up and down, thereby screening the broken copper powder on the filter screen, and the qualified copper powder falls to the guide frame through the screen hole, and through the guide pipe enters the grinding cylinder and carries out the grinding treatment, and the unqualified copper powder particle is accomodated in the waste box, and waits for subsequent re broken treatment, through the cooperation of the broken roll and the filter screen one, thereby effectively screening the copper powder particle, so that the copper powder before grinding keeps the granularity uniform, thereby improving the grinding efficiency.

[0016] 2. The utility model discloses a grinding assembly is driven through the rotating motor, and through the cooperation of transmission gear and gear ring, thereby driving the grinding cylinder rotates on the rotating seat, in the process of rotating, the grinding ball in its inside moves in the inside of the grinding cylinder, and under the lifting of fixed block, the copper powder in the inside is constantly impacted, plays the effect of grinding, and the copper powder after grinding is extracted through the fan, and under the filtration of filter screen no. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the internal structure cutaway view of the whole of the utility model;

[0019] Figure 3 It is the internal structure schematic diagram of the grinding cylinder in the utility model;

[0020] Figure 4 It is the structure schematic diagram of the driving mechanism in the utility model;

[0021] Figure 5 It is the structure schematic diagram of the shaking component in the utility model;

[0022] Figure 6 It is the structure schematic diagram of the rotating frame in the utility model.

[0023] The figure mark is:

[0024] 1, grinding box; 2, crushing box; 201, feed inlet; 202, discharge outlet; 3, crushing roller; 4, driving mechanism; 401, mounting bracket; 402, servo motor; 403, gear one; 404, gear two; 405, driving wheel; 406, belt; 407, driven wheel; 5, partition; 6, rotating frame; 7, filter screen one; 8, guide plate; 9, spring; 10, shaking assembly; 1001, mounting plate; 1002, rotating shaft; 1003, turntable; 1004, driving block; 1005, driving rod; 1006, driving groove; 1007, moving rod; 1008, sliding groove; 1009, pressing rod; 11, guide frame; 1101, guide pipe; 12, grinding cylinder; 1201, rotating block; 1202, fixed block; 1203, grinding ball; 1204, fixed frame; 1205, filter screen two; 13, gear ring; 14, rotating motor; 15, transmission gear; 16, fan; 17, fixed cylinder; 1701, cleaning brush; 18, rotating seat; 19, waste box. DETAILED DESCRIPTION

[0025] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0026] REFERENCE Figures 1-6 As shown in the figure, a kind of grinding device for silver-coated copper powder processing, including grinding box 1, the inner wall of grinding box 1 is fixedly connected with partition 5, grinding box 1 is provided with crushing box 2, two groups of crushing roller 3 are rotatably installed in the inside of crushing box 2, the front end of crushing box 2 is provided with driving mechanism 4 for driving two groups of crushing roller 3 to rotate, the upper end of crushing box 2 is fixedly installed with feed inlet 201, the lower end of crushing box 2 is provided with discharge outlet 202, which is communicated with grinding box 1, the lower side of discharge outlet 202 is rotatably installed on rotating frame 6 in grinding box 1, spring 9 is fixedly connected between the right end of rotating frame 6 and grinding box 1, the front and back sides of filter screen one 7 are provided with guide plate 8 fixedly connected on rotating frame 6, rotating frame 6 is fixedly installed with filter screen one 7, grinding box 1 is provided with shaking assembly 10 for driving rotating frame 6 to shake, and shaking assembly 10 is driven synchronously by driving mechanism 4, the lower side of filter screen one 7 is provided with guide frame 11 fixedly connected on grinding box 1, the lower side of guide frame 11 is provided with grinding assembly for grinding, guide pipe 1101 for feeding is arranged between guide frame 11 and grinding assembly, the right side of grinding assembly is provided with fan 16 for taking material.

[0027] Further, the copper powder raw material enters the crushing box 2 through the feeding port 201 and is crushed by the crushing rollers 3 driven by the driving mechanism 4, and the crushed copper powder falls onto the filter screen one 7 of the rotating frame 6 through the discharge port 202, and the pressure rod 1009 in the shaking assembly 10 can be periodically moved up and down by the driving mechanism 4, and the spring 9 fixedly connected between the rotating frame 6 and the grinding box 4, so that the rotating frame 6 drives the filter screen one 7 to periodically shake up and down, thereby screening the crushed copper powder on the filter screen 7, and the qualified copper powder falls onto the guide frame 11 through the screen hole, and enters the grinding cylinder 12 through the guide pipe 1101 for grinding treatment, and the copper powder particles are effectively screened by the cooperation of the crushing rollers 3 and the filter screen one 7, so that the copper powder before grinding is kept uniform in particle size, thereby improving the grinding efficiency.

[0028] Specifically, in the embodiment, the driving mechanism 4 includes a mounting frame 401 fixedly connected to the front end of the crushing box 2, a servo motor 402 fixedly installed on the mounting frame 401, a gear one 403 fixedly connected to the output shaft of the servo motor 402, a gear two 404 meshingly connected to one side of the gear one 403, and the gear one 403 and the gear two 404 are fixedly connected to the two groups of crushing rollers 3 through shafts, respectively, a driving wheel 405 fixedly connected to the front end of the gear two 404, a belt 406 sleeved on the driving wheel 405, and a driven wheel 407 sleeved on the belt 406, and the driven wheel 407 is fixedly connected to the shaking assembly 10.

[0029] Further, by starting the driving motor 402 in the driving mechanism 4, the driving motor 402 drives the gear one 403, the gear one 403 drives the gear two 404, and the gear one 403 and the gear two 404 drive the two groups of crushing rollers 3 to rotate through the shafts, so that the two groups of crushing rollers 3 rotating towards each other crush the copper powder raw material, and the gear two 404 drives the driving wheel 405 to rotate synchronously in the process of rotating. The driving wheel 405 drives the driven wheel 407 to rotate through the belt 406, and the driving wheel 407 drives the shaking assembly 10 to shake the filter screen one 7.

[0030] Specifically, in this embodiment, the shaking assembly 10 comprises a rotating shaft 1002 fixedly connected with the driven wheel 407, one side of the rotating shaft 1002 is provided with a mounting plate 1001 fixedly installed at the top end of the grinding box 1, and one end of the rotating shaft 1002 penetrates through the mounting plate 1001 and is fixedly connected with a rotating disc 1003, the rotating disc 1003 is fixedly connected with a driving block 1004, the driving block 1004 is slidingly connected with a driving rod 1005, the driving rod 1005 is provided with a driving groove 1006 for matching sliding of the driving block 1004, and both ends of the driving rod 1005 are fixedly connected with a moving rod 1007, the mounting plate 1001 is provided with two groups of sliding grooves 1008 for matching sliding of the moving rod 1007, the lower end of the driving rod 1005 is fixedly connected with a pressing rod 1009, and the lower end of the pressing rod 1009 penetrates into the interior of the grinding box 1 and abuts against the upper end surface of the rotating frame 6.

[0031] Further, when the driven wheel 407 rotates, the driven wheel 407 further drives the rotating shaft 1002 to rotate, the rotating shaft 1002 further drives the rotating disc 1003 on the rear side to rotate, the driving block 1004 on the rotating disc 1003 rotates with the rotating disc 1003, the driving block 1004 is sleeved with the driving rod 1005, the driving rod 1005 is provided with the driving groove 1006 matching the driving block 1004, and the driving rod 1005 is fixedly connected with the moving rod 1007 for limiting, the moving rod 1007 is slidingly connected with the mounting plate 1001, so that when the driving block 1004 rotates with the rotating disc 1003, the driving block 1004 can drive the driving rod 1005 to periodically move up and down, and the driving rod 1005 can drive the pressing rod 1009 to periodically move up and down, the lower end of the pressing rod 1009 abuts against the upper end surface of the rotating frame 6, and the spring 6 fixedly connected between the rotating frame 6 and the grinding box 1 is matched, so that the pressing rod 1006 can drive the rotating frame 6 to drive the filter screen one 7 to periodically shake up and down, so as to screen the broken copper powder on the filter screen one 7.

[0032] Specifically, in this embodiment, the partition plate 5 is placed with a waste box 19, and the upper end opening of the waste box 19 is arranged at the lower side of the right end of the rotating frame 6.

[0033] Further, under the screening of the filter screen one 7, the qualified copper powder falls through the screen hole to the guide frame 11 and enters the grinding cylinder 12 through the guide pipe 1101 for grinding treatment, and the unqualified copper powder particles are stored in the waste box 19 for subsequent re-breaking treatment.

[0034] Specifically, in this embodiment, the grinding assembly includes a rotating block 1201 fixedly connected with the material guide pipe 1101, one side of the rotating block 1201 is provided with a rotating seat 18 fixedly installed at the bottom of the grinding box 1, the rotating seat 18 is rotatably installed with a grinding cylinder 12, the rotating block 1201 is rotatably connected with the grinding cylinder 12, the right end of the grinding cylinder 12 is rotatably installed with a fixed cylinder 17, the fixed cylinder 17 is fixedly connected with the lower end of the partition plate 5, the inner wall of the grinding cylinder 12 is fixedly connected with a plurality of groups of fixed blocks 1202, the inside of the grinding cylinder 12 is placed with a plurality of groups of grinding balls 1203, the right side inner wall of the grinding cylinder 12 is fixedly installed with a fixed frame 1204, the fixed frame 1204 is fixedly installed with a filter screen two 1205, and the bottom of the grinding box 1 is provided with a driving piece for driving the grinding cylinder 12 to rotate.

[0035] Specifically, in this embodiment, the driving piece includes a rotating motor 14 fixedly installed at the bottom of the grinding box 1, the output shaft of the rotating motor is fixedly connected with a transmission gear 15, one end of the transmission gear 15 is engagedly connected with a tooth ring 13, and the tooth ring 13 is fixedly installed on the grinding cylinder 12.

[0036] Further, the grinding cylinder 12 is driven to rotate on the rotating seat 18 through the driving of the rotating motor 14 and the transmission of the transmission gear 15 and the tooth ring 13, in the process of rotation, the grinding balls 1203 in the inside move in the inside of the grinding cylinder 12, and under the lifting of the fixed blocks 1202, the inside copper powder is continuously impacted to achieve the grinding effect, the ground copper powder is extracted through the fan 16, and is filtered through the filter screen two 1205, so that the qualified copper powder is effectively extracted and conveyed out.

[0037] Specifically, in this embodiment, the inside of the fixed cylinder 17 is fixedly installed with a cleaning brush 1701 for cleaning the filter screen two 1205, and the fixed cylinder 17 and the tooth ring 13 are fixedly installed with an air pipe.

[0038] Further, the filter screen two 1205 is rotated together with the grinding cylinder 12 in the process of rotation, and the cleaning brush 1701 in the inside of the fixed cylinder 17 is fixedly installed, so that the cleaning brush 1701 can clean the filter screen two 1205, avoid the filter screen two 1205 from being blocked, and improve the service life of the filter screen two 1205.

[0039] The working principle of the utility model discloses: copper powder raw materials enter the crushing box 2 through the feed inlet 201 and are crushed by the crushing roller 3 driven by the driving mechanism 4, wherein the driving motor 402 in the driving mechanism 4 is started to drive the gear one 403, the gear one 403 drives the gear two 404, at the same time, the gear one 403 and the gear two 404 drive the two sets of crushing rollers 3 to rotate through the shaft, so that the two sets of crushing rollers 3 rotating towards each other crush the copper powder raw materials, and the crushed copper powder falls onto the filter screen one 7 of the rotating frame 6 through the discharge port 202.

[0040] When the gear two 404 rotates, the driving wheel 405 is driven to rotate synchronously. The driving wheel 405 drives the driven wheel 407 to rotate through the belt 406, and when the driven wheel 407 rotates, the driven wheel 407 drives the rotating shaft 1002 to rotate, and the rotating shaft 1002 drives the rear rotating disc 1003, the driving block 1004 on the rotating disc 1003 rotates with the rotating disc 1003, and the driving rod 1005 is sleeved on the driving block 1004, the driving groove 1006 matched with the driving block 1004 is arranged on the driving rod 1005, and the moving rod 1007 for limiting is fixedly connected to the driving rod 1005, and the moving rod 1007 is slidably connected to the mounting plate 1001, so that when the driving block 1004 rotates with the rotating disc 1003, the driving block 1004 can drive the driving rod 1005 to move up and down periodically, and the driving rod 1005 can drive the pressing rod 1009 to move up and down periodically, the lower end of the pressing rod 1009 abuts against the upper end surface of the rotating frame 6, and the spring 6 fixedly connected between the rotating frame 6 and the grinding box 1, so that the pressing rod 1006 can drive the rotating frame 6 to drive the filter screen one 7 to shake up and down periodically, so that the crushed copper powder on the filter screen one 7 is screened, and the unqualified copper powder particles are collected in the waste box 19 for subsequent crushing treatment.

[0041] The qualified copper powder falls onto the guide frame 11 through the screen hole and enters the grinding cylinder 12 through the guide pipe 1101 for grinding treatment, the rotating motor 14 is started, the grinding cylinder 12 is driven to rotate on the rotating seat 18 through the driving of the rotating motor 14 and the transmission of the transmission gear 15 and the tooth ring 13, in the rotating process, the grinding balls 1203 in the grinding cylinder 12 move in the interior of the grinding cylinder 12 and continuously impact the copper powder in the interior under the lifting of the fixed block 1202, so that the grinding effect is achieved, and the ground copper powder is extracted by the fan 16 and filtered through the filter screen two 1205, so that the qualified copper powder is effectively extracted and conveyed out.

[0042] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A grinding device for processing silver-coated copper powder, characterized in that, The system includes a grinding box (1), with a partition (5) fixedly connected to the inner wall of the grinding box (1). A crushing box (2) is installed on the grinding box (1). Two sets of crushing rollers (3) are rotatably installed inside the crushing box (2). A drive mechanism (4) for driving the two sets of crushing rollers (3) to rotate is provided at the front end of the crushing box (2). A feed inlet (201) is fixedly installed at the upper end of the crushing box (2). A discharge outlet (202) connected to the grinding box (1) is provided at the lower end of the crushing box (2). A rotating frame (6) rotatably installed on the grinding box (1) is provided on the lower side of the discharge outlet (202). A spring (9) is fixedly connected between the right end of the rotating frame (6) and the grinding box (1). The filter screen (7) is provided with guide plates (8) fixedly connected to the rotating frame (6) on both the front and rear sides. The filter screen (7) is fixedly installed on the rotating frame (6). The grinding box (1) is provided with a shaking component (10) for driving the rotating frame (6) to shake. The shaking component (10) is driven synchronously by the driving mechanism (4). The filter screen (7) is provided with a guide frame (11) fixedly connected to the grinding box (1) on the lower side. The guide frame (11) is provided with a grinding component for grinding on the lower side. The guide frame (11) and the grinding component are provided with a guide pipe (1101) for feeding material. The grinding component is provided with a fan (16) for picking up material on the right side.

2. The grinding device for processing silver-coated copper powder according to claim 1, characterized in that: The drive mechanism (4) includes a mounting frame (401) fixedly connected to the front end of the crushing box (2). A servo motor (402) is fixedly mounted on the mounting frame (401). A gear one (403) is fixedly connected to the output shaft of the servo motor (402). A gear two (404) is meshed on one side of the gear one (403). Both the gear one (403) and the gear two (404) are fixedly connected to two sets of crushing rollers (3) through shafts. A drive wheel (405) is fixedly connected to the front end of the gear two (404). A belt (406) is sleeved on the drive wheel (405). A driven wheel (407) is sleeved on the belt (406). The driven wheel (407) is fixedly connected to the vibration component (10).

3. The grinding device for processing silver-coated copper powder according to claim 2, characterized in that: The vibration assembly (10) includes a rotating shaft (1002) fixedly connected to the driven wheel (407). A mounting plate (1001) fixedly mounted on the top of the grinding box (1) is provided on one side of the rotating shaft (1002). One end of the rotating shaft (1002) passes through the mounting plate (1001) and is fixedly connected to a turntable (1003). A drive block (1004) is fixedly connected to the turntable (1003). A drive rod (1005) is slidably connected to the drive block (1004). The drive rod (1005) has a drive groove (1006) for sliding with the drive block (1004), and both ends of the drive rod (1005) are fixedly connected to moving rods (1007). The mounting plate (1001) has two sets of sliding grooves (1008) for sliding with the moving rods (1007). The lower end of the drive rod (1005) is fixedly connected to a pressure rod (1009). The lower end of the pressure rod (1009) penetrates into the interior of the grinding box (1) and abuts against the upper end face of the rotating frame (6).

4. The grinding device for processing silver-coated copper powder according to claim 1, characterized in that: A waste bin (19) is placed on the partition (5), and the upper opening of the waste bin (19) is located on the lower right side of the rotating frame (6).

5. The grinding device for processing silver-coated copper powder according to claim 1, characterized in that: The grinding assembly includes a rotating block (1201) fixedly connected to the feed pipe (1101). A rotating seat (18) fixedly installed at the bottom of the grinding box (1) is provided on one side of the rotating block (1201). A grinding cylinder (12) is rotatably installed on the rotating seat (18). The rotating block (1201) is rotatably connected to the grinding cylinder (12). A fixed cylinder (17) is rotatably installed at the right end of the grinding cylinder (12). The fixed cylinder (17) is fixedly connected to the lower end of the partition (5). Several sets of fixed blocks (1202) are fixedly connected to the inner wall of the grinding cylinder (12). Several sets of grinding balls (1203) are placed inside the grinding cylinder (12). A fixed frame (1204) is fixedly installed on the right inner wall of the grinding cylinder (12). A filter screen (1205) is fixedly installed on the fixed frame (1204). A driving component for driving the grinding cylinder (12) to rotate is provided at the bottom of the grinding box (1).

6. The grinding device for processing silver-coated copper powder according to claim 5, characterized in that: The driving component includes a rotating motor (14) fixedly installed at the bottom of the grinding box (1). The output shaft of the rotating motor is fixedly connected to a transmission gear (15). One end of the transmission gear (15) is meshed with a gear ring (13), which is fixedly installed on the grinding cylinder (12).

7. The grinding device for processing silver-coated copper powder according to claim 6, characterized in that: The cleaning brush (1701) for cleaning the filter screen (1205) is fixedly installed inside the fixed cylinder (17), and a duct is fixedly installed between the fixed cylinder (17) and the fan (16).

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