Copper gold powder grinding tool

Abstract

The utility model discloses a copper gold powder grinding tool, which belongs to the field of copper gold powder processing devices and comprises a crushing frame, stand columns are fixedly mounted at four corners of the bottom end of the crushing frame, a feeding frame is fixedly mounted at the top end of the crushing frame, and a first gear motor and a second gear motor are fixedly mounted on one side of the crushing frame. The first gear motor is located below the second gear motor, a crushing assembly is arranged in the crushing frame, a screening half frame is fixedly installed in the crushing frame, a discharging pipe is fixedly installed at the end, away from the first gear motor, of the screening half frame, and the end, away from the screening half frame, of the discharging pipe penetrates through the crushing frame. And a first conveying assembly is arranged in the screening half frame. Through the arrangement of the smashing assembly, the effect of smashing materials is achieved, the materials obtained after preliminary smashing enter the screening half frame, through operation of the first conveying assembly and cooperation of the first spiral blade and the screening half frame, the effect of rolling and screening the materials can be achieved, and the effect of further smashing the materials is achieved.

Description

Technical Field

[0001] The utility model relates to the field of copper-gold powder processing devices, and more specifically, to a copper-gold powder grinding tooling. Background Art

[0002] Copper-gold powder is a zinc-copper alloy powder, and its appearance is similar to that of gold. The production of copper-gold powder generally includes spray method, electrolysis method or mechanical pulverization method. Generally, the simple production method adopts mechanical pulverization method. When mechanical pulverization method is used for pulverization, the problem of uneven pulverization often occurs. Some small particles that have been pulverized cannot collide with the pulverizing knife to achieve continuous pulverization, resulting in poor pulverization effect, and it is also easy to cause the screen to be blocked, reducing the production efficiency and production quality. Therefore, there is an urgent need for a copper-gold powder grinding tooling. Content of the Utility Model

[0003] In order to solve the above problems, the utility model provides a copper-gold powder grinding tooling, adopting the following technical scheme:

[0004] A copper-gold powder grinding tooling includes a pulverizing frame. Columns are fixedly installed at the four corners of the bottom end of the pulverizing frame. A feeding frame is fixedly installed at the top end of the pulverizing frame. A first reduction motor and a second reduction motor are fixedly installed on one side of the pulverizing frame. The first reduction motor is located below the second reduction motor. A pulverizing assembly is arranged in the pulverizing frame. A screening half-frame is fixedly installed in the pulverizing frame. A discharge pipe is fixedly installed at one end of the screening half-frame far from the first reduction motor. The end of the discharge pipe far from the screening half-frame penetrates through the pulverizing frame. A first conveying assembly is arranged in the screening half-frame. A cleaning assembly is arranged at the bottom of the screening half-frame. A support plate is fixedly installed on one side of the pulverizing frame far from the first reduction motor. A conveying cylinder is arranged at the top of the support plate. The bottom end of the conveying cylinder penetrates through the support plate. The end of the discharge pipe far from the screening half-frame penetrates into the conveying cylinder. A discharge pipe is fixedly installed on the side wall of the upper section of the conveying cylinder. The end of the discharge pipe far from the conveying cylinder is located above the feeding frame. A second conveying assembly is arranged in the conveying cylinder. A discharge port is opened on one side of the pulverizing frame. A discharge plate is fixedly installed on the side of the pulverizing frame close to the discharge port.

[0005] By adopting the above technical solution, when the device is in use, the staff puts the materials into the crushing frame through the feeding frame, and then drives the crushing component to operate through the second reduction motor, which can play the role of crushing the materials. The preliminarily crushed materials fall into the screening half-frame, and then the first reduction motor drives the first conveying component to operate. Through the cooperation of the first conveying component and the screening half-frame, the role of rolling and conveying the materials is achieved. Under the operation of the first conveying component, the qualified materials fall to the bottom of the crushing frame through the holes in the screening half-frame, and the unqualified materials move into the conveying cylinder under the action of the first conveying component. Then, through the operation of the second conveying component, the unqualified materials are moved above the conveying cylinder. Subsequently, the qualified materials enter the feeding frame through the discharge pipe, and the unqualified materials enter the crushing frame again, and then are crushed again by the crushing component, which is beneficial to improving the crushing effect of the device and further beneficial to improving the crushing quality of the materials.

[0006] When the device conveys unqualified materials, the first reduction motor drives the cleaning component to operate below the screening half-frame, which can play the role of cleaning the holes in the screening half-frame, beneficial to maintaining the permeability of the holes in the screening half-frame, and further beneficial to maintaining the screening effect of the screening half-frame. The qualified materials after screening fall to the bottom of the crushing frame. The bottom of the crushing frame is inclined, which is convenient for the qualified materials to enter the discharge plate through the discharge port, thus playing the role of discharging.

[0007] Further, the crushing component includes two rotating rods rotatably installed in the crushing frame. The side walls of the two rotating rods are fixedly sleeved with crushing rollers. One end of the two rotating rods close to the second reduction motor rotates through the crushing frame, and the side walls of the ends of the two rotating rods passing through the crushing frame are fixedly sleeved with gears. The two gears are meshed, and one end of the rotating rod passing through the crushing frame is fixedly connected to the end of the output shaft of the second reduction motor.

[0008] By adopting the above technical solution, the second reduction motor drives the connected rotating rod to rotate, the rotating rod drives the same group of gears to rotate, and through the meshing transmission of the two gears, the two rotating rods drive the crushing rollers to rotate synchronously, which can play the role of crushing and rolling the materials.

[0009] Further, both inner walls on both sides of the crushing frame are fixedly installed with inclined blocks. The two inclined blocks are both located below the crushing rollers, and the bottom ends of the two inclined blocks are fixedly connected to the top end of the screening half-frame.

[0010] By adopting the above technical solution, through the setting of the two inclined blocks at the top of the screening half-frame, it is convenient for the crushed materials to accurately fall into the screening half-frame.

[0011] Furthermore, the first conveying assembly includes a support rod fixedly mounted on the end of the output shaft of the first reduction motor, the support rod passes through the crushing frame at one end away from the first reduction motor and extends into the discharge pipe, and the support rod is located on a side wall of the crushing frame and is fixedly sleeved with a second spiral leaf.

[0012] By adopting the above technical solution, after the crushed material falls into the screening half frame, the support rod is driven to rotate by the first reduction motor, and the support rod drives the second spiral blade to rotate in the screening half frame. The friction force generated between the rotation of the second spiral blade and the inner wall of the screening half frame can play a role in crushing the material, thereby achieving the effect of further crushing the material, and allowing qualified materials to fall to the bottom of the crushing frame through the holes opened in the side wall of the screening half frame, thereby achieving the effect of screening, and through the operation of the second spiral blade, unqualified materials enter the conveying cylinder through the discharge pipe.

[0013] Furthermore, the cleaning assembly includes a brush plate slidably arranged under the screening half frame, the brush plate contacts the bottom of the screening half frame, and a symmetrically distributed reciprocating screw and a stabilizing rod are rotatably installed in the crushing frame, and the side walls of the stabilizing rod and the reciprocating screw are both sleeved with support blocks, and the opposite sides of the two support blocks are fixedly connected to the opposite side of the brush plate, and the stabilizing rod and the reciprocating screw both pass through the crushing frame at one end away from the conveying cylinder, and the reciprocating screw passes through the side wall of one end of the crushing frame and is fixed with a driven pulley, and the side wall of the output shaft of the first reduction motor is fixed with a driving pulley, and a belt is sleeved between the driving pulley and the driven pulley.

[0014] By adopting the above technical scheme, the driving wheel is driven to rotate by the first reduction motor, and the driving wheel drives the driven wheel to rotate through the belt, and the driven wheel drives the reciprocating screw to rotate, and then the reciprocating screw drives the same group of support blocks to move synchronously with the brush plate, so that the brush plate slides at the bottom of the screening half frame, which can play a role in cleaning the holes of the screening half frame, which is beneficial to maintaining the permeability of the holes of the screening half frame, and thus helps to maintain the screening effect of the screening half frame, and one of the support blocks on the side wall of the brush plate slides on the side wall of the stabilizing rod. Through the setting of the stabilizing rod, it plays a role in limiting and stabilizing the brush plate, which is beneficial to maintaining the stability of the sliding of the brush plate.

[0015] Furthermore, the second conveying assembly includes a support rod rotatably installed in the conveying cylinder, the side wall of the support rod is fixedly sleeved with a first spiral leaf, the bottom end of the conveying cylinder is fixedly installed with an installation box, and a third reduction motor is fixedly installed in the installation box. The bottom end of the support rod passes through the conveying cylinder and extends into the installation box, and one end of the support rod passes through the installation box and is fixedly connected to the end of the output shaft of the third reduction motor.

[0016] By adopting the above technical solution, when unqualified materials enter the interior of the conveying cylinder, the support rod is driven to rotate by the third reduction motor, the support rod drives the first spiral blade to rotate, and the unqualified materials are driven by the first spiral blade to surge upward in the conveying cylinder. Then, the unqualified materials enter the feeding frame through the discharge pipe, and the unqualified materials enter the interior of the crushing frame again for crushing, which is beneficial to improving the crushing effect of the equipment and the crushing effect of the materials.

[0017] In summary, the utility model includes the following beneficial technical effects:

[0018] (1) In the utility model, through the setting of the crushing component, the function of crushing materials is achieved. The preliminarily crushed materials enter the screening half-frame. Through the operation of the first conveying component and the cooperation of the first spiral blade and the screening half-frame, the function of rolling and screening the materials can be achieved, and the effect of further crushing the materials is achieved.

[0019] (2) In the utility model, the first spiral blade is driven to rotate by the first reduction motor. Through the frictional force generated between the first spiral blade and the screening half-frame, the function of rolling the materials can be achieved, and the function of further crushing the materials is achieved. The qualified materials fall to the bottom of the crushing frame through the holes of the screening half-frame, and the unqualified materials are conveyed into the conveying cylinder through the discharge pipe under the action of the first spiral blade. Subsequently, the second conveying component surges the unqualified materials upward in the conveying cylinder. Then, the qualified materials enter the feeding frame through the discharge pipe, and the qualified materials fall between the two crushing rollers again for crushing, which is beneficial to improving the crushing effect of the materials.

[0020] (3) In the utility model, through the setting of the cleaning component, the reciprocating screw rod is driven to rotate by the first reduction motor, and the reciprocating screw rod drives the support block to move the brush plate at the bottom of the screening half-frame, which can play the role of cleaning the holes of the screening half-frame and is beneficial to maintaining the screening effect of the equipment. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the first perspective structure of a copper-gold powder grinding tooling;

[0022] Figure 2 For the present utility model Figure 1 The enlarged view of A in;

[0023] Figure 3 It is a schematic diagram of the second perspective structure of the present utility model;

[0024] Figure 4 It is a front sectional view of the present utility model;

[0025] Figure 5 For the present utility model Figure 4 The enlarged view of B in;

[0026] Figure 6 This is the side sectional view of the crushing frame in the present utility model;

[0027] Figure 7 This is the exploded view of the first conveying component and the cleaning component in the present utility model.

[0028] Description of the reference numerals in the figure:

[0029] 1. Crushing frame; 2. First reduction motor; 3. Second reduction motor; 4. Discharge plate; 5. Rotating rod; 6. Gear; 7. Feeding frame; 8. Discharge pipe; 9. Conveying cylinder; 10. Support plate; 11. Installation box; 12. Discharge opening; 13. Driving wheel disc; 14. Belt; 15. Driven wheel disc; 16. Reciprocating lead screw; 17. Discharge pipe; 18. Third reduction motor; 19. First spiral blade; 20. Support rod; 21. Crushing roller; 22. Second spiral blade; 23. Brush plate; 24. Support block; 25. Screening half frame; 26. Support rod; 27. Stabilizing rod. Specific embodiments

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0033] The following is combined with the attached Figures 1-7A further detailed description of the present utility model will be given.

[0034] Please refer to Figures 1-7 , a copper-gold powder grinding tooling, including a crushing frame 1. Columns are fixedly installed at the four corners of the bottom end of the crushing frame 1. A feeding frame 7 is fixedly installed at the top end of the crushing frame 1. A first reduction motor 2 and a second reduction motor 3 are fixedly installed on one side of the crushing frame 1. The first reduction motor 2 is located below the second reduction motor 3. A crushing assembly is arranged inside the crushing frame 1. The crushing assembly includes two rotating rods 5 rotatably installed inside the crushing frame 1. Crushing rollers 21 are fixedly sleeved on the side walls of the two rotating rods 5. One end of the two rotating rods 5 close to the second reduction motor 3 rotatably penetrates through the crushing frame 1, and gear 6 is fixedly sleeved on the side wall of one end of the two rotating rods 5 penetrating through the crushing frame 1. The two gears 6 are meshed, and one end of the rotating rod 5 penetrating through the crushing frame 1 is fixedly connected to the end of the output shaft of the second reduction motor 3.

[0035] When the device is in use, the staff puts the material into the crushing frame 1 through the feeding frame 7, and then drives the connected rotating rod 5 to rotate through the second reduction motor 3. The rotating rod 5 drives the same group of gears 6 to rotate. Through the meshing transmission of the two gears 6, the two rotating rods 5 drive the crushing rollers 21 to rotate synchronously, which can play the role of crushing and rolling the material. Inclined blocks are fixedly installed on the inner walls of both sides of the crushing frame 1. The two inclined blocks are both located below the crushing rollers 21, and the bottom ends of the two inclined blocks are fixedly connected to the top end of the screening half-frame 25. Through the setting of the two inclined blocks at the top of the screening half-frame 25, it is convenient for the crushed material to accurately fall into the screening half-frame 25.

[0036] A screening half-frame 25 is fixedly installed inside the crushing frame 1. A discharge pipe 17 is fixedly installed at one end of the screening half-frame 25 away from the first reduction motor 2. One end of the discharge pipe 17 away from the screening half-frame 25 penetrates through the crushing frame 1. A first conveying component is arranged inside the screening half-frame 25. The first conveying component includes a support rod 26 fixedly installed at the end of the output shaft of the first reduction motor 2. One end of the support rod 26 away from the first reduction motor 2 penetrates through the crushing frame 1 and extends into the discharge pipe 17. A second spiral blade 22 is fixedly sleeved on the side wall of the support rod 26 located in the crushing frame 1. After the crushed material falls into the screening half-frame 25, the support rod 26 is driven to rotate through the first reduction motor 2. The support rod 26 drives the second spiral blade 22 to rotate inside the screening half-frame 25. Through the friction force generated between the rotation of the second spiral blade 22 and the inner wall of the screening half-frame 25, the role of rolling the material can be played, achieving the effect of further crushing the material, and enabling the qualified material to fall to the bottom of the crushing frame 1 through the holes opened on the side wall of the screening half-frame 25, achieving the screening effect. And through the operation of the second spiral blade 22, the unqualified material enters the conveying cylinder 9 through the discharge pipe 17.

[0037] A cleaning component is provided at the bottom of the screening semi-frame 25. The cleaning component includes a brush plate 23 slidably disposed below the screening semi-frame 25. The brush plate 23 is in contact with the bottom of the screening semi-frame 25. In the crushing frame 1, reciprocating lead screws 16 and stabilizing rods 27 are symmetrically and rotatably installed. Blocks 24 are sleeved on the side walls of the stabilizing rods 27 and the reciprocating lead screws 16. One side of the two blocks 24 facing each other is fixedly connected to one side of the brush plate 23 facing each other. One end of the stabilizing rod 27 and the reciprocating lead screw 16 away from the conveying cylinder 9 penetrate through the crushing frame 1. A driven wheel disc 15 is fixedly sleeved on the side wall of the reciprocating lead screw 16 penetrating through the crushing frame 1. A driving wheel disc 13 is fixedly sleeved on the side wall of the output shaft of the first reduction motor 2. A belt 14 is sleeved between the driving wheel disc 13 and the driven wheel disc 15.

[0038] When the screening semi-frame 25 screens materials, the driving wheel disc 13 is driven to rotate by the first reduction motor 2. The driving wheel disc 13 drives the driven wheel disc 15 to rotate through the belt 14. The driven wheel disc 15 drives the reciprocating lead screw 16 to rotate. Then, the reciprocating lead screw 16 drives the blocks 24 of the same group to drive the brush plate 23 to move synchronously, so that the brush plate 23 slides at the bottom of the screening semi-frame 25, which can clean the holes of the screening semi-frame 25, is beneficial to maintaining the permeability of the holes of the screening semi-frame 25, and further beneficial to maintaining the screening effect of the screening semi-frame 25. One of the blocks 24 on the side wall of the brush plate 23 slides on the side wall of the stabilizing rod 27. Through the setting of the stabilizing rod 27, the function of restricting and stabilizing the brush plate 23 is achieved, which is beneficial to maintaining the stability of the sliding of the brush plate 23.

[0039] A support plate 10 is fixedly installed on one side of the crushing frame 1 away from the first reduction motor 2. A conveying cylinder 9 is provided on the top of the support plate 10. The bottom end of the conveying cylinder 9 penetrates through the support plate 10. One end of the discharge pipe 17 away from the screening semi-frame 25 penetrates into the conveying cylinder 9. A discharge pipe 8 is fixedly installed on the upper side wall of the conveying cylinder 9. One end of the discharge pipe 8 away from the conveying cylinder 9 is located above the feed frame 7. A second conveying component is provided in the conveying cylinder 9. The second conveying component includes a support rod 20 rotatably installed in the conveying cylinder 9. A first spiral blade 19 is fixedly sleeved on the side wall of the support rod 20. An installation box 11 is fixedly installed at the bottom end of the conveying cylinder 9. A third reduction motor 18 is fixedly installed in the installation box 11. The bottom end of the support rod 20 penetrates through the conveying cylinder 9 and extends into the installation box 11. One end of the support rod 20 penetrating through the installation box 11 is fixedly connected to the end of the output shaft of the third reduction motor 18. When unqualified materials enter the interior of the conveying cylinder 9, the support rod 20 is driven to rotate by the third reduction motor 18. The support rod 20 drives the first spiral blade 19 to rotate. The unqualified materials are driven to surge upward in the conveying cylinder 9 through the first spiral blade 19. Then, the unqualified materials enter the feed frame 7 through the discharge pipe 8, so that the unqualified materials enter the interior of the crushing frame 1 again for crushing, which is beneficial to improving the crushing effect of the equipment and the crushing effect of the materials.

[0040] One side of the crushing frame 1 is provided with a discharge opening 12, and a discharge plate 4 is fixedly installed on one side of the crushing frame 1 close to the discharge opening 12. The qualified materials after screening fall to the bottom of the crushing frame 1. The bottom of the crushing frame 1 is inclined, which facilitates the qualified materials to enter the discharge plate 4 through the discharge opening 12, thus playing the role of discharging materials.

[0041] The implementation principle of the embodiment of the present utility model is as follows: When the equipment is in use, the staff puts the materials into the crushing frame 1 through the feeding frame 7, and then drives the crushing assembly to operate through the second reduction motor 3, which can play the role of crushing the materials. The preliminarily crushed materials fall into the screening half-frame 25. Then, the first reduction motor 2 drives the first conveying assembly to operate. Through the cooperation of the first conveying assembly and the screening half-frame 25, the role of rolling and conveying the materials is played. Under the operation of the first conveying assembly, the qualified materials pass through the holes of the screening half-frame 25 and fall to the bottom of the crushing frame 1. The unqualified materials move into the conveying cylinder 9 under the action of the first conveying assembly. Then, through the operation of the second conveying assembly, the unqualified materials are moved above the conveying cylinder 9. Then, the qualified materials enter the feeding frame 7 through the discharge pipe 8, and the unqualified materials enter the crushing frame 1 again and are crushed again by the crushing assembly, which is beneficial to improving the crushing effect of the equipment and thus beneficial to improving the crushing quality of the materials.

[0042] When the equipment conveys the unqualified materials, the first reduction motor 2 drives the cleaning assembly to operate below the screening half-frame 25, which can play the role of cleaning the holes of the screening half-frame 25, is beneficial to maintaining the permeability of the holes of the screening half-frame 25, and thus beneficial to maintaining the screening effect of the screening half-frame 25. The qualified materials after screening fall to the bottom of the crushing frame 1. The bottom of the crushing frame 1 is inclined, which facilitates the qualified materials to enter the discharge plate 4 through the discharge opening 12, thus playing the role of discharging materials.

[0043] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A copper-gold powder grinding tool, comprising a grinding frame (1), characterized in that: The four corners of the bottom of the crushing frame (1) are fixedly installed with uprights, the top of the crushing frame (1) is fixedly installed with a feeding frame (7), one side of the crushing frame (1) is fixedly installed with a first reduction motor (2) and a second reduction motor (3), the first reduction motor (2) is located below the second reduction motor (3), a crushing assembly is arranged in the crushing frame (1), a screening half frame (25) is fixedly installed in the crushing frame (1), a discharge pipe (17) is fixedly installed at one end of the screening half frame (25) away from the first reduction motor (2), the end of the discharge pipe (17) away from the screening half frame (25) passes through the crushing frame (1), a first conveying assembly is arranged in the screening half frame (25), and a conveying assembly is arranged at the bottom of the screening half frame (25). A cleaning component is provided. A support plate (10) is fixedly installed on the side of the crushing frame (1) away from the first reduction motor (2), and a conveying cylinder (9) is provided on the top of the support plate (10), and the bottom end of the conveying cylinder (9) passes through the support plate (10). The end of the discharge pipe (17) away from the screening half frame (25) passes into the conveying cylinder (9). A discharge pipe (8) is fixedly installed on the side wall of the upper section of the conveying cylinder (9), and the end of the discharge pipe (8) away from the conveying cylinder (9) is located above the feed frame (7). A second conveying component is provided in the conveying cylinder (9), and a discharge port (12) is opened on one side of the crushing frame (1), and a discharge plate (4) is fixedly installed on the side of the crushing frame (1) close to the discharge port (12).

2. A copper-gold powder grinding tool according to claim 1, characterized in that: The pulverizing assembly comprises two rotating rods (5) rotatably mounted in the pulverizing frame (1), the side walls of the two rotating rods (5) are both fixedly sleeved with pulverizing rollers (21), the ends of the two rotating rods (5) close to the second reduction motor (3) are both rotatably penetrated through the pulverizing frame (1), and the side walls of the two rotating rods (5) that penetrate one end of the pulverizing frame (1) are both fixedly sleeved with gears (6), the two gears (6) are meshed, and one end of one of the rotating rods (5) that penetrates the pulverizing frame (1) is fixedly connected to the end of the output shaft of the second reduction motor (3).

3. A copper-gold powder grinding tool according to claim 2, characterized in that: Inclined blocks are fixedly mounted on the inner walls of both sides of the crushing frame (1), the two inclined blocks are located below the crushing roller (21), and the bottom ends of the two inclined blocks are fixedly connected to the top end of the screening half frame (25).

4. The copper-gold powder grinding tool according to claim 1, characterized in that: The first conveying assembly comprises a support rod (26) fixedly mounted on the end of the output shaft of the first reduction motor (2); the support rod (26) extends through the crushing frame (1) at one end away from the first reduction motor (2) and extends into the discharge pipe (17); the support rod (26) is located on a side wall of the crushing frame (1) and is fixedly sleeved with a second spiral blade (22).

5. The copper-gold powder grinding tool according to claim 1, characterized in that: The cleaning assembly comprises a brush plate (23) slidably arranged below the screening half frame (25), the brush plate (23) being in contact with the bottom of the screening half frame (25), a symmetrically distributed reciprocating screw rod (16) and a stabilizing rod (27) being rotatably installed in the pulverizing frame (1), the stabilizing rod (27) and the side walls of the reciprocating screw rod (16) being sleeved with a support block (24), the opposite sides of the two support blocks (24) being fixedly connected to the opposite sides of the brush plate (23), the stabilizing rod (27) and the reciprocating screw rod (16) both passing through the pulverizing frame (1) at one end away from the conveying cylinder (9), the reciprocating screw rod (16) passing through the side wall of one end of the pulverizing frame (1) being fixedly sleeved with a driven wheel disc (15), the side wall of the output shaft of the first reduction motor (2) being fixedly sleeved with a driving wheel disc (13), a belt (14) being sleeved between the driving wheel disc (13) and the driven wheel disc (15).

6. The copper-gold powder grinding tool according to claim 1, characterized in that: The second conveying assembly comprises a support rod (20) rotatably mounted in the conveying cylinder (9), a first spiral blade (19) being fixedly sleeved on the side wall of the support rod (20), a mounting box (11) being fixedly mounted on the bottom end of the conveying cylinder (9), a third reduction motor (18) being fixedly mounted in the mounting box (11), the bottom end of the support rod (20) passing through the conveying cylinder (9) and extending into the mounting box (11), and one end of the support rod (20) passing through the mounting box (11) being fixedly connected to the end of the output shaft of the third reduction motor (18).

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