Efficient crushing device for superfine silver powder processing

Abstract

The utility model relates to the field of silver powder processing, in particular to an efficient smashing device for superfine silver powder processing, which comprises a first bottom plate, first bearing seats which are symmetrically distributed are fixedly arranged above the first bottom plate, a smashing mechanism is further arranged between the first bearing seats, and the smashing mechanism comprises a smashing barrel. A wind conveyor is further fixedly arranged above the first bottom plate through bolts, a feeding port of the wind conveyor communicates with the interior of the crushing barrel, a screening assembly is further arranged above the first bottom plate, and the screening assembly comprises a second bottom plate; silver particles are fed through the feeding port, then the first stepping motor is started to drive the smashing barrel to rotate so as to drive the circular grinding balls in the smashing barrel to strike and smash the silver particles, and then the wind conveyor is started to discharge light silver powder into the screening frame through the discharging square pipe. And then the second stepping motor is started to drive the screening frame to screen the silver powder, so that the silver powder can be screened in time after being crushed, and the production efficiency of the silver powder is improved.

Description

Technical Field

[0001] The utility model relates to the field of silver powder processing, in particular to a high-efficiency pulverizing device for processing ultrafine silver powder. Background Art

[0002] Silver powder is a white metal powder with a melting point of 960.5℃ and a boiling point of about 2000℃. When it is prepared, silver is used as the raw material, dissolved in nitric acid, and then added to an electrolytic cell for electrolysis. After electrolytic refining, high-purity silver powder is obtained, which is mostly used in the electronics industry and can be used to make various high-temperature sintering conductive pastes, conductive coatings, etc.

[0003] In the process of making silver powder, smaller silver particles need to be crushed, and the crushed silver powder is then transported to a screening machine for screening. The unqualified silver powder after screening needs to be placed in a crusher for crushing again. The conveying process is relatively troublesome, which affects the processing efficiency of the silver powder and makes it difficult to achieve timely screening of the silver powder after crushing to improve the production efficiency of the silver powder.

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a high-efficiency pulverizing device for ultrafine silver powder processing to solve the above-mentioned technical defects.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A high-efficiency crushing device for processing ultrafine silver powder comprises a first bottom plate, a symmetrically distributed first bearing seat is fixedly provided above the first bottom plate, a crushing mechanism is also provided between the first bearing seats, the crushing mechanism comprises a crushing barrel, a wind conveyor is also fixedly provided above the first bottom plate by bolts, a feed port of the wind conveyor is connected to the inside of the crushing barrel, a screening assembly is also provided above the first bottom plate, the screening assembly comprises a second bottom plate, a motor mounting frame is fixedly provided above the second bottom plate by bolts, and a second stepping motor is fixedly provided on one side of the motor mounting frame by bolts.

[0008] Preferably, a first mounting platform is fixedly provided above the first base plate by bolts, a slot is provided inside the first mounting platform, second bearing seats are provided on both sides of the slot, the bottom of the second bearing seat is fixed to the first mounting platform by bolts, and a second mounting platform is fixedly provided above the first mounting platform by bolts.

[0009] Preferably, a plurality of circular grinding balls of different diameters are provided inside the crushing barrel, the crushing barrel is rotatably connected to the first bearing seat, a loading port is provided at one end of the crushing barrel, a fixedly connected outer gear ring is provided on the outer side of the crushing barrel, a first stepper motor is fixedly provided above the second mounting platform by bolts, a reduction box is also fixedly provided above the second mounting platform by bolts, the rotating shaft of the first stepper motor is fixedly connected to the input end of the reduction box, a spur gear is fixedly provided on the shaft at the output end of the reduction box after passing through the second bearing seat, and the spur gear is meshed with the outer gear ring.

[0010] Preferably, an exhaust port is provided on the top of the wind conveyor, a filter plate is provided inside the exhaust port, and a discharge square pipe is fixedly provided at the discharge point of the wind conveyor.

[0011] Preferably, the second base plate is fixed to the first base plate by bolts, and four limit rods distributed in an array are provided above the second base plate. The rotating shaft of the second stepper motor passes through the motor mounting frame and is fixedly provided with a first pulley, and a rotatably connected belt is provided on the outer side of the first pulley.

[0012] Preferably, a symmetrically distributed third bearing seat is provided above the second base plate, the third bearing seat is fixed to the second base plate by bolts, a rotatably connected eccentric shaft is provided inside the third bearing seat, a second pulley is fixedly provided after the shaft at one end of the eccentric shaft passes through the third bearing seat, the second pulley is rotatably connected to the belt, a slidable sliding table is provided above the second base plate, the sliding table is slidably connected to the limit rod, a roller mounting frame is fixed to the bottom of the sliding table by bolts, a rotatably connected roller is provided inside the roller mounting frame, and the roller is in contact with the upper end surface of the eccentric shaft at the bottom.

[0013] Preferably, two symmetrically distributed telescopic springs are provided above the second bottom plate, the upper ends of the telescopic springs are fixedly connected to the sliding table, the lower ends of the telescopic springs are fixedly connected to the second bottom plate, a fixedly connected unloading bottom frame is provided above the sliding table, a fixedly connected screening frame is provided above the unloading bottom frame, a fixedly connected feeding box is provided above the screening frame, the feeding box is slidably connected to one end of the discharging square tube, the feeding box is communicated with the interior of the discharging square tube, the feeding box is communicated with the interior of the screening frame, and an array of screening holes are provided at the bottom of the screening frame.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model feeds silver particles through a feeding port, then starts a first stepper motor to drive a crushing barrel to rotate, thereby driving the circular grinding balls therein to strike and crush the silver particles, then starts a wind conveyor to discharge lighter silver powder into a screening frame through a discharging square pipe, then starts a second stepper motor to drive a sliding table to do up and down reciprocating motion, thereby screening the silver powder in the screening frame above the sliding table, and the screened silver powder is discharged through a feeding bottom frame, and larger silver powder particles are discharged through the screening frame, and then the larger silver powder particles are re-added into the crushing barrel through the feeding port for crushing, so that the silver powder is screened in time after being crushed, thereby improving the production efficiency of the silver powder, and reducing the transportation link of the silver powder to the screening position after production, thereby reducing the probability of silver powder escaping, and reducing the situation of workers inhaling silver powder and causing work-related injuries. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings;

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

[0018] Figure 2 It is a schematic diagram of the connection structure between the first bottom plate and the crushing mechanism in the utility model;

[0019] Figure 3 It is a schematic diagram of the connection structure between the pneumatic conveyor and the screening assembly in the utility model;

[0020] Figure 4 It is a schematic diagram of the overall structure of the screening assembly in the utility model;

[0021] Figure 5 It is a schematic diagram of the connection structure between the material feeding bottom frame and the screening frame in the utility model.

[0022] Legend: 1. First bottom plate; 11. First bearing seat; 12. First mounting platform; 13. Second bearing seat; 14. Slotting; 15. Second mounting platform; 2. Crushing mechanism; 21. Crushing barrel; 22. Outer gear ring; 23. Loading port; 24. First stepper motor; 25. Reducer; 26. Spur gear; 27. Wind conveyor; 271. Exhaust port; 28. Discharging square tube; 3. Screening assembly; 31. Second bottom plate; 32. Motor mounting frame; 33. Second stepper motor; 34. First pulley; 35. Belt; 36. Second pulley; 37. Third bearing seat; 38. Eccentric shaft; 39. Limit rod; 40. Telescopic spring; 41. Sliding platform; 42. Roller mounting frame; 43. Roller; 44. Unloading bottom frame; 45. Screening frame; 46. Feed box; 47. Screening hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 - Figure 5 As shown, the utility model is a high-efficiency crushing device for processing ultrafine silver powder, comprising a first base plate 1, a symmetrically distributed first bearing seat 11 is provided above the first base plate 1, the first bearing seat 11 is fixed to the first base plate 1 by bolts, a first mounting platform 12 is also fixed by bolts above the first base plate 1, a slot 14 is provided inside the first mounting platform 12, second bearing seats 13 are provided on both sides of the slot 14, the bottom of the second bearing seat 13 is fixed to the first mounting platform 12 by bolts, and a second mounting platform 15 is also fixed by bolts above the first mounting platform 12.

[0025] A crushing mechanism 2 is also provided between the first bearing seats 11, and the crushing mechanism 2 includes a crushing barrel 21. A plurality of circular grinding balls of different diameters are provided inside the crushing barrel 21. The crushing barrel 21 is rotatably connected to the first bearing seat 11. A loading port 23 is provided at one end of the crushing barrel 21. The loading port 23 is used for feeding materials into the crushing barrel 21. A fixedly connected outer gear ring 22 is provided on the outer side of the crushing barrel 21. A first stepper motor 24 is fixedly provided above the second mounting platform 15 by bolts.

[0026] A reduction box 25 is fixedly provided above the second mounting platform 15 by bolts. The rotating shaft of the first stepper motor 24 is fixedly connected to the input end of the reduction box 25. A spur gear 26 is fixedly provided on the shaft at the output end of the reduction box 25 after passing through the second bearing seat 13. The spur gear 26 meshes with the outer gear ring 22. When the first stepper motor 24 is started, the spur gear 26 is driven to rotate through the reduction box 25. The spur gear 26 drives the outer gear ring 22 to rotate. The outer gear ring 22 drives the crushing barrel 21 to rotate. The crushing barrel 21 drives the circular grinding balls therein to strike and crush the silver blocks.

[0027] A wind conveyor 27 is also fixedly provided above the first bottom plate 1 by bolts, and a feed port of the wind conveyor 27 is connected to the inside of the crushing barrel 21, an exhaust port 271 is provided above the wind conveyor 27, a filter plate is provided inside the exhaust port 271, and a discharge square pipe 28 is fixedly provided at the discharge of the wind conveyor 27. When the wind conveyor 27 is started, air is sucked through the feed port, and then the smaller silver powder polished in the crushing barrel 21 is sucked into the wind conveyor 27, and then the air containing the silver powder is filtered through the filter plate, and the air is discharged through the exhaust port 271, and the silver powder is discharged through the discharge square pipe 28.

[0028] A screening assembly 3 is also provided above the first base plate 1, and the screening assembly 3 includes a second base plate 31, and the second base plate 31 is fixed to the first base plate 1 by bolts. A motor mounting frame 32 is fixed by bolts above the second base plate 31, and four limit rods 39 distributed in an array are also provided above the second base plate 31. A second stepper motor 33 is fixed by bolts on one side of the motor mounting frame 32, and a first pulley 34 is fixedly provided after the rotating shaft of the second stepper motor 33 passes through the motor mounting frame 32, and a rotatably connected belt 35 is provided on the outer side of the first pulley 34.

[0029] A symmetrically distributed third bearing seat 37 is also provided above the second base plate 31. The third bearing seat 37 is fixed to the second base plate 31 by bolts. A rotatably connected eccentric shaft 38 is provided inside the third bearing seat 37. A second pulley 36 is fixedly provided after the shaft at one end of the eccentric shaft 38 passes through the third bearing seat 37. The second pulley 36 is rotatably connected to the belt 35. A slidably matched sliding table 41 is also provided above the second base plate 31. The sliding table 41 and the limit rod 39 are both slidably connected. A roller mounting frame 42 is fixed to the bottom of the sliding table 41 by bolts. A rotatably connected roller 43 is provided inside the roller mounting frame 42. The roller 43 is in contact with the upper end surface of the eccentric shaft 38 at the bottom. When the eccentric shaft 38 rotates, the roller 43 above it is driven to rotate, and at the same time, the sliding table 41 is driven to reciprocate up and down.

[0030] Two symmetrically distributed telescopic springs 40 are also provided above the second bottom plate 31, the upper ends of the telescopic springs 40 are fixedly connected to the sliding platform 41, and the lower ends of the telescopic springs 40 are fixedly connected to the second bottom plate 31, and a fixedly connected unloading bottom frame 44 is provided above the sliding platform 41, and the unloading bottom frame 44 is used for unloading the silver powder after screening, and a fixedly connected screening frame 45 is provided above the unloading bottom frame 44, and a fixedly connected feeding box 46 is provided above the screening frame 45, and the feeding box 46 is slidably connected to one end of the discharging square tube 28, and the feeding box 46 is communicated with the inside of the discharging square tube 28, and the feeding box 46 is communicated with the inside of the screening frame 45, and an array of screening holes 47 are provided at the bottom of the screening frame 45, and the silver powder screened through the screening holes 47 is discharged through the unloading bottom frame 44.

[0031] The working process and principle of the utility model are as follows:

[0032] When in use, firstly, silver particles are fed through the feeding port 23, and then the first stepper motor 24 is started. The first stepper motor 24 drives the spur gear 26 to rotate through the reduction box 25, and the spur gear 26 drives the outer gear ring 22 to rotate, and the outer gear ring 22 drives the crushing barrel 21 to rotate, and the crushing barrel 21 drives the circular grinding balls therein to hit and crush the silver particles, and then the wind conveyor 27 is started. When the wind conveyor 27 is started, air is sucked through the feeding port, and then the polished smaller silver powder in the crushing barrel 21 is sucked into the wind conveyor 27, and then the air containing the silver powder is filtered through the filter plate, and the air is discharged through the exhaust port 271, and the silver powder is discharged into the screening frame 45 through the discharge square pipe 28;

[0033] Then, the second stepper motor 33 is started, and the second stepper motor 33 drives the first pulley 34 to rotate. The first pulley 34 drives the second pulley 36 to rotate through the belt 35. The second pulley 36 drives the eccentric shaft 38 to rotate. The eccentric shaft 38 drives the sliding table 41 thereon to do up and down reciprocating motion, thereby screening the silver powder in the screening frame 45 above the sliding table 41. The screened silver powder is discharged through the discharge bottom frame 44, and the larger silver powder particles are discharged through the screening frame 45. Then, the larger silver powder particles are re-added into the crushing barrel 21 through the feeding port 23 for crushing.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. An efficient pulverizing device for processing ultrafine silver powder, comprising a first bottom plate (1), characterized in that: A symmetrically distributed first bearing seat (11) is fixedly provided above the first bottom plate (1), a crushing mechanism (2) is also provided between the first bearing seats (11), the crushing mechanism (2) comprises a crushing barrel (21), a wind conveyor (27) is also fixedly provided above the first bottom plate (1) by means of bolts, a feed port of the wind conveyor (27) is communicated with the inside of the crushing barrel (21), a screening assembly (3) is also provided above the first bottom plate (1), the screening assembly (3) comprises a second bottom plate (31), a motor mounting frame (32) is fixedly provided above the second bottom plate (31) by means of bolts, a second stepping motor (33) is fixedly provided on one side of the motor mounting frame (32) by means of bolts.

2. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 1, characterized in that: A first mounting platform (12) is also fixedly provided above the first base plate (1) by means of bolts, a slot (14) is provided inside the first mounting platform (12), second bearing seats (13) are provided on both sides of the slot (14), the bottom of the second bearing seat (13) is fixedly provided to the first mounting platform (12) by means of bolts, and a second mounting platform (15) is also fixedly provided above the first mounting platform (12) by means of bolts.

3. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 2, characterized in that: A plurality of circular grinding balls of different diameters are arranged inside the crushing barrel (21), the crushing barrel (21) is rotatably connected to the first bearing seat (11), a loading port (23) is arranged at one end of the crushing barrel (21), a fixedly connected outer gear ring (22) is arranged on the outer side of the crushing barrel (21), a first stepper motor (24) is fixedly arranged above the second mounting platform (15) by bolts, a reduction box (25) is also fixedly arranged above the second mounting platform (15) by bolts, a rotating shaft of the first stepper motor (24) is fixedly connected to the input end of the reduction box (25), a shaft at the output end of the reduction box (25) passes through the second bearing seat (13) and is fixedly provided with a spur gear (26), the spur gear (26) is meshed with the outer gear ring (22).

4. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 3 is characterized in that: An exhaust port (271) is provided above the wind conveyor (27), a filter plate is provided inside the exhaust port (271), and a discharge square pipe (28) is fixedly provided at the discharge point of the wind conveyor (27).

5. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 4, characterized in that: The second base plate (31) is fixed to the first base plate (1) by bolts. Four limiting rods (39) are arranged in an array above the second base plate (31). The rotating shaft of the second stepping motor (33) passes through the motor mounting frame (32) and is fixedly provided with a first pulley (34). A rotatably connected belt (35) is provided on the outer side of the first pulley (34).

6. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 5, characterized in that: A symmetrically distributed third bearing seat (37) is also provided above the second bottom plate (31), and the third bearing seat (37) is fixed to the second bottom plate (31) by bolts. A rotatably connected eccentric shaft (38) is provided inside the third bearing seat (37), and a second pulley (36) is fixedly provided on one end of the eccentric shaft (38) after passing through the third bearing seat (37), and the second pulley (36) is rotatably connected to the belt (35). A slidably matched sliding platform (41) is also provided above the second bottom plate (31), and the sliding platform (41) is slidably connected to the limiting rod (39), and a roller mounting frame (42) is fixed below the sliding platform (41) by bolts, and a rotatably connected roller (43) is provided inside the roller mounting frame (42), and the roller (43) contacts the upper end surface of the eccentric shaft (38) at the bottom.

7. The high-efficiency pulverizing device for ultrafine silver powder processing according to claim 6, characterized in that: Two symmetrically distributed telescopic springs (40) are also provided above the second bottom plate (31); the upper ends of the telescopic springs (40) are fixedly connected to the sliding platform (41); the lower ends of the telescopic springs (40) are fixedly connected to the second bottom plate (31); a fixedly connected material unloading bottom frame (44) is provided above the sliding platform (41); a fixedly connected screening frame (45) is provided above the material unloading bottom frame (44); a fixedly connected material feeding box (46) is provided above the screening frame (45); the material feeding box (46) is slidably connected to one end of the material discharging square tube (28); the material feeding box (46) is communicated with the inside of the material discharging square tube (28); the material feeding box (46) is communicated with the inside of the screening frame (45); and the bottom of the screening frame (45) is provided with screening holes (47) distributed in an array.

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