阅读说明：本技术 一种水泥生产用原料混合多级研磨装置及其使用方法 (Raw material mixing multistage grinding device for cement production and use method thereof ) 是由 高战雄 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种水泥生产用原料混合多级研磨装置及其使用方法,涉及水泥生产相关领域,为解决现有技术中的无法解决现有的水泥原料研磨装置在进行生料加工时,往往会出现原料研磨不均与现象的问题,所述第一一磨箱的内部设置有第一粉碎筒,所述第一粉碎筒的一侧设置有第二粉碎筒,所述第一粉碎筒与第二粉碎筒上均设置有挡环,所述挡环的前端设置有第一磨料环,所述第一磨料环的一侧设置有第二磨料环,所述第二磨料环与第一磨料环的内部均设置有安装孔,所述安装孔的内部设置有磨料条,所述磨料条上设置有磨料齿,所述第一磨料环的下端面与第二磨料环的上端面均设置有连接沉孔。(The invention discloses a raw material mixing multistage grinding device for cement production and a use method thereof, relates to the field related to cement production, aims to solve the problem that the existing cement raw material grinding device cannot solve the problem that the raw material grinding is uneven and the phenomenon often occurs when raw material processing is carried out, a first crushing barrel is arranged in the first grinding box, a second crushing barrel is arranged at one side of the first crushing barrel, the first crushing barrel and the second crushing barrel are both provided with a baffle ring, the front end of the baffle ring is provided with a first grinding ring, a second grinding ring is arranged on one side of the first grinding ring, mounting holes are formed in the second grinding ring and the first grinding ring, the inside of mounting hole is provided with the abrasive material strip, be provided with the abrasive material tooth on the abrasive material strip, the lower terminal surface of first abrasive material ring all is provided with the connection counter bore with the up end of second abrasive material ring.)

1. The utility model provides a cement manufacture mixes multistage grinder with raw materials, includes first mill case (1), its characterized in that: the inside of first mill case (1) is provided with first reducing cylinder (5), one side of first reducing cylinder (5) is provided with second reducing cylinder (8), all be provided with on first reducing cylinder (5) and the second reducing cylinder (8) and keep off ring (9), the front end that keeps off ring (9) is provided with first abrasive material ring (10), one side of first abrasive material ring (10) is provided with second abrasive material ring (11), second abrasive material ring (11) all are provided with mounting hole (12) with the inside of first abrasive material ring (10), the inside of mounting hole (12) is provided with abrasive material strip (13), be provided with abrasive material tooth (14) on abrasive material strip (13), the lower terminal surface of first abrasive material ring (10) all is provided with connection counter bore (15) with the up end of second abrasive material ring (11).

2. The raw material mixing multistage grinding device for cement production according to claim 1, characterized in that: first crushing barrel (5) all are provided with dwang (4) with the inside of second crushing barrel (8), be provided with drive belt (6) on dwang (4), the front end of drive belt (6) is provided with mounting panel (7), the rear end of dwang (4) is provided with motor case (2), the inside of motor case (2) is provided with first motor (3).

3. The raw material mixing multistage grinding device for cement production according to claim 1, characterized in that: one side of the first grinding box (1) is provided with a second grinding box (18), one side of the second grinding box (18) is provided with a third grinding box (19), the lower ends of the first grinding box (1), the second grinding box (18) and the third grinding box (19) are respectively provided with a feeding pipe (16), the feeding pipe (16) is provided with a first electric valve (17), and the lower end of the feeding pipe (16) is provided with a second grinding box (20).

4. The raw material mixing multistage grinding device for cement production according to claim 3, characterized in that: the inside of two grinding boxes (20) is provided with divides flitch (21), the lower extreme that divides flitch (21) is provided with second motor (22), the lower extreme of second motor (22) is provided with motor shaft (23), be provided with rolling disc (24) on motor shaft (23), the lower extreme of rolling disc (24) is provided with adjusting collar (25), the both sides of adjusting collar (25) all are provided with first electric putter (26), the lower extreme of first electric putter (26) is provided with bistrique (27).

5. The raw material mixing multistage grinding device for cement production according to claim 4, characterized in that: the grinding head is characterized in that fixed blocks (28) are arranged on two sides of the grinding head (27), a second electric push rod (29) is arranged inside the fixed blocks (28), a material blowing fan (30) is arranged on the second electric push rod (29), a sealing block (31) is arranged at the upper end of the material blowing fan (30), and a filtering plate (32) is arranged on one side of the fixed blocks (28).

6. The raw material mixing multistage grinding device for cement production according to claim 3, characterized in that: the outside of two grinding boxes (20) is provided with laminating ring (34), the lower extreme of laminating ring (34) is provided with mixing box (33), the inside of mixing box (33) is provided with connecting strip (35), the lower extreme of connecting strip (35) is provided with third motor (36), the lower extreme of third motor (36) is provided with rotates inferior bistrique (37), the inside of rotating inferior bistrique (37) is provided with fourth motor (38), be provided with fixed axle (39) on fourth motor (38), be provided with material mixing plate (40) on fixed axle (39), be provided with guide strip (41) on material mixing plate (40), the lower extreme of material mixing plate (40) is provided with inferior mill strip (42), the lower extreme of inferior mill strip (42) is provided with unloading pipe (43), the lower extreme of unloading pipe (43) is provided with compounding jar (44).

7. The raw material mixing multistage grinding device for cement production according to claim 6, characterized in that: be provided with driven plate (45) on compounding jar (44), the front end of driven plate (45) is provided with driving disc (46), one side of driving disc (46) is provided with fifth motor (47), the inside of compounding jar (44) is provided with jar inner tube (48), the outside of jar inner tube (48) is provided with conductor coil (49), one side of conductor coil (49) is provided with power supply ware (50), the both sides of compounding jar (44) all are provided with curb plate (51), the inside of jar inner tube (48) is provided with stirs material pole (52), the lower extreme that stirs material pole (52) is provided with row material pipe (53).

8. A use method of a raw material mixing multistage grinding device for cement production is realized based on any one of the raw material mixing multistage grinding devices for cement production in claims 1 to 7, and is characterized by comprising the following steps:

the method comprises the following steps: a user can respectively feed various raw materials into the first grinding box (1), the second grinding box (18) and the third grinding box (19), grinding treatment on the various raw materials is realized through the grinding strips (13) on the rotating first grinding cylinder (5) and the second grinding cylinder (8), and after finishing grinding is confirmed, the raw materials can be fed into the second grinding box (20) through the action of gravity and the feeding pipe (16);

step two: the raw materials sent into the interior of the second grinding box (20) fall on the upper end of the filter plate (32), the grinding head (27) is driven to rotate through the second motor (22), secondary grinding treatment on the raw materials is achieved through the grinding head (27) rotating at a high speed and the fixed block (28), after grinding is confirmed to be completed, powder can be sent into the interior of the mixing box (33), and the rotating secondary grinding head (37) and the mixing plate (40) are respectively driven to rotate through the third motor (36) and the fourth motor (38), so that stirring and mixing of raw material powder are achieved;

step three: confirm that the powder after the stirring is mixed can get into the inside of compounding jar (44) to drive through fifth motor (47) and rotate with the driven plate (45) of initiative dish (46) intermeshing, thereby realize the rotation to compounding jar (44), mutually support through pivoted compounding jar (44) and fixed stirring rod (52) and realize mixing again the raw materials of compounding jar (44) inside, after a period of time, can discharge the raw materials from row material pipe (53).

Technical Field

The invention relates to the field related to cement production, in particular to a raw material mixing multistage grinding device for cement production and a using method thereof.

Background

Cement is a powdered hydraulic inorganic cementing material. Water is added and stirred to form slurry which can be hardened in air or water and can firmly bond sand, stone and other materials together. The early lime and pozzolan mixtures are similar to modern lime and pozzolan cements, and concrete made by cementing crushed stone with them not only has higher strength after hardening, but also resists erosion by fresh water or salt-containing water. As an important cementing material, the cement is widely applied to engineering such as civil engineering and construction, water conservancy, national defense and the like for a long time, and when the existing cement is produced, a grinding device is often used for grinding and mixing cement raw materials so as to form cement raw materials.

When the existing cement raw material grinding device is used, the cement raw materials are often used in the using process, and a single grinding mechanism is needed to grind the raw materials with different shapes due to more types of the cement raw materials, so that each raw material is difficult to be uniformly ground; therefore, the market urgently needs to develop an air detection and flow device for a cement production workshop to help people solve the existing problems.

Disclosure of Invention

The invention aims to provide an air detecting and flowing device for a cement production workshop, which solves the problem that the existing cement raw material grinding device cannot solve the problem that the raw material grinding is uneven and the phenomenon often occurs when raw material is processed.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multistage grinder of raw materials mixture for cement manufacture, includes first grinding case, the inside of first grinding case is provided with first reducing cylinder, one side of first reducing cylinder is provided with the second reducing cylinder, all be provided with on first reducing cylinder and the second reducing cylinder and keep off the ring, the front end that keeps off the ring is provided with first abrasive material ring, one side of first abrasive material ring is provided with the second abrasive material ring, the second abrasive material ring all is provided with the mounting hole with the inside of first abrasive material ring, the inside of mounting hole is provided with the abrasive material strip, be provided with the abrasive material tooth on the abrasive material strip, the lower terminal surface of first abrasive material ring all is provided with the connection counter bore with the up end of second abrasive material ring.

Preferably, the inside of first crushing barrel and second crushing barrel all is provided with the dwang, be provided with the drive belt on the dwang, the front end of drive belt is provided with the mounting panel, the rear end of dwang is provided with the motor case, the inside of motor case is provided with first motor.

Preferably, one side of the first grinding box is provided with a second grinding box, one side of the second grinding box is provided with a third grinding box, the lower ends of the first grinding box, the second grinding box and the third grinding box are respectively provided with a feeding pipe, the feeding pipe is provided with a first electric valve, and the lower end of the feeding pipe is provided with two grinding boxes.

Preferably, a material distribution plate is arranged inside the second grinding box, a second motor is arranged at the lower end of the material distribution plate, a motor rotating shaft is arranged at the lower end of the second motor, a rotating disc is arranged on the motor rotating shaft, an adjusting sleeve is arranged at the lower end of the rotating disc, first electric push rods are arranged on two sides of the adjusting sleeve, and a grinding head is arranged at the lower end of each first electric push rod.

Preferably, the two sides of the grinding head are provided with fixing blocks, a second electric push rod is arranged inside the fixing blocks, a material blowing fan is arranged on the second electric push rod, a sealing block is arranged at the upper end of the material blowing fan, and a filtering plate is arranged on one side of the fixing block.

Preferably, the outside of two grinds the case is provided with the laminating ring, the lower extreme that the laminating ring closed is provided with the mixing box, the inside of mixing box is provided with the connecting strip, the lower extreme of connecting strip is provided with the third motor, the lower extreme of third motor is provided with the inferior bistrique of rotation, the inside of rotating inferior bistrique is provided with the fourth motor, be provided with the fixed axle on the fourth motor, be provided with the mixing plate on the fixed axle, be provided with the guide strip on the mixing plate, the lower extreme of mixing plate is provided with inferior mill strip, the lower extreme of inferior mill strip is provided with the unloading pipe, the lower extreme of unloading pipe is provided with the compounding jar.

Preferably, be provided with the driven plate on the compounding jar, the front end of driven plate is provided with the driving disc, one side of driving disc is provided with the fifth motor, the inside of compounding jar is provided with a jar inner tube, the outside of jar inner tube is provided with conductor coil, one side of conductor coil is provided with the power transmitter, the both sides of compounding jar all are provided with the curb plate, the inside of jar inner tube is provided with stirs the material pole, the lower extreme that stirs the material pole is provided with row material pipe.

A use method of a raw material mixing multistage grinding device for cement production comprises the following steps:

the method comprises the following steps: a user can respectively feed various raw materials into the first grinding box, the second grinding box and the third grinding box, the grinding treatment of the various raw materials is realized through the grinding strips on the rotating first grinding cylinder and the rotating second grinding cylinder, and after the completion of grinding is confirmed, the raw materials can be fed into the second grinding box under the action of gravity and the feeding pipe;

step two: the raw material fed into the second grinding box falls on the upper end of the filter plate, the second motor drives the grinding head to rotate, secondary grinding treatment on the raw material is realized through the grinding head rotating at a high speed and the fixed block, after grinding is confirmed to be finished, powder can be fed into the mixing box, and the third motor and the fourth motor respectively drive the rotating secondary grinding head and the mixing plate to rotate, so that stirring and mixing of the raw material powder are realized;

step three: confirm that the powder after the stirring is mixed and can get into the inside of compounding jar to drive and drive dish intermeshing's driven plate through the fifth motor and rotate, thereby realize mixing jar's rotation, mutually support through pivoted compounding jar and fixed stirring pole and realize mixing the inside raw materials of compounding jar once more, after a period, can discharge the raw materials from row material pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the first abrasive ring and the second abrasive ring, when a user uses the raw material mixing multistage grinding device, the abrasive rings can be rapidly switched through the first abrasive ring and the second abrasive ring which are connected in a bolt manner, so that the size of materials can be accurately kept at a stable value when grinding materials with different sizes, meanwhile, the abrasive strips can be rapidly assembled and disassembled through the mounting holes arranged in the first abrasive ring and the second abrasive ring, when the abrasive strips are damaged, the grinding barrel can be recycled only by replacing the abrasive strips, and further, the use cost of the user can be relieved to a certain extent;

2. according to the invention, through the arrangement of the fourth motor, the material mixing plates and the material guiding strips, a user can drive the fourth motor to drive the fixed shaft to rotate in the process of using the raw material mixing multistage grinding device, so that the rotation of the two material mixing plates is realized, the mixing treatment of various materials is realized through the rotating material mixing plates, meanwhile, the mixing efficiency of the raw materials can be accelerated through the material guiding strips on the material mixing plates, and the grinding efficiency of the whole grinding device can be further improved to a certain extent;

3. the invention can realize secondary stirring treatment of the raw materials entering the mixing tank by the fixed stirring rod when a user uses the raw material mixing multistage grinding device, and can realize electrification of the conductor coil rotating along with the mixing tank by the mutual matching of the conductor coil and the power transmitter, thereby forming a rotating magnetic field inside the mixing tank, when the magnetic field rotates, the powder can horizontally generate circulation under the action of tangential and radial components, and the powder can vertically move in a vertical surface inner seat under the action of axial components, therefore, the rotating magnetic field generates flow in the vertical surface and horizontal surface directions in the powder, the powder is electromagnetically stirred, thereby the powder can be uniformly stirred to prevent gravity from generating segregation phenomenon, which in turn causes uneven mixing of the powder.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a secondary grinding box of the present invention;

FIG. 2 is a schematic cross-sectional view of the mixing box of the present invention;

FIG. 3 is a schematic cross-sectional view of a mixing bowl of the present invention;

FIG. 4 is a schematic top view of a grinding box of the present invention;

fig. 5 is a schematic view of a first abrasive ring of the present invention;

fig. 6 is a schematic structural diagram of the present invention.

In the figure: 1. a first grinding box; 2. a motor case; 3. a first motor; 4. rotating the rod; 5. a first milling drum; 6. a transmission belt; 7. mounting a plate; 8. a second milling drum; 9. a baffle ring; 10. a first abrasive ring; 11. a second abrasive ring; 12. mounting holes; 13. grinding material strips; 14. abrasive teeth; 15. connecting the counter bores; 16. a feed pipe; 17. a first electrically operated valve; 18. a second grinding box; 19. a third grinding box; 20. secondly, grinding the box; 21. a material distributing plate; 22. a second motor; 23. a motor shaft; 24. rotating the disc; 25. an adjusting sleeve; 26. a first electric push rod; 27. grinding heads; 28. a fixed block; 29. a second electric push rod; 30. a blowing fan; 31. a sealing block; 32. a filter plate; 33. a mixing box; 34. fitting a ring; 35. a connecting strip; 36. a third motor; 37. rotating the secondary grinding head; 38. a fourth motor; 39. a fixed shaft; 40. a material mixing plate; 41. a material guiding strip; 42. secondary grinding; 43. a discharging pipe; 44. a mixing tank; 45. a driven plate; 46. a driving disk; 47. a fifth motor; 48. an inner tank tube; 49. a conductor coil; 50. a power transmitter; 51. a side plate; 52. a material stirring rod; 53. a discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: a raw material mixing multistage grinding device for cement production comprises a first grinding box 1, wherein a first grinding barrel 5 is arranged in the first grinding box 1, a second grinding barrel 8 is arranged on one side of the first grinding barrel 5, the shape and size of the second grinding barrel 8 are consistent with that of the first grinding barrel 5, a baffle ring 9 is arranged on each of the first grinding barrel 5 and the second grinding barrel 8, the baffle ring 9 is annular, the baffle ring 9 is fixedly connected with the second grinding barrel 8, a first grinding ring 10 is arranged at the front end of the baffle ring 9, a plurality of first grinding rings 10 are arranged, a second grinding ring 11 is arranged on one side of the first grinding ring 10, the number of the second grinding rings 11 is consistent with that of the first grinding rings 10, mounting holes 12 are arranged in each of the second grinding rings 11 and the first grinding rings 10, a plurality of mounting holes 12 are arranged in each of the mounting holes 12, grinding strips 13 are arranged in each of the mounting holes 12, abrasive bar 13 passes through bolted connection with first abrasive ring 10, be provided with abrasive tooth 14 on the abrasive bar 13, abrasive tooth 14 sets up to the waviness, the lower terminal surface of first abrasive ring 10 all is provided with the up end of second abrasive ring 11 and is connected counter bore 15, first abrasive ring 10 and second abrasive ring 11 are through being connected counter bore 15 and bolted connection, can solve current cement raw materials grinder when carrying out raw material processing, the problem of raw materials grinding inequality and phenomenon often can appear.

Further, the inside of first crushing barrel 5 and second crushing barrel 8 all is provided with dwang 4, dwang 4 respectively with first crushing barrel 5 and 8 fixed connection of second crushing barrel, be provided with drive belt 6 on dwang 4, two dwang 4 are hugged closely to drive belt 6, the front end of drive belt 6 is provided with mounting panel 7, mounting panel 7 passes through the axle sleeve with dwang 4 and is connected, the rear end of dwang 4 is provided with motor case 2, motor case 2 sets up to rectangle boxlike, the inside of motor case 2 is provided with first motor 3, first motor 3 passes through the coupling joint with dwang 4.

Further, one side of the first grinding box 1 is provided with a second grinding box 18, the shape and size of the second grinding box 18 and the first grinding box 1 are set to be consistent, one side of the second grinding box 18 is provided with a third grinding box 19, the shape and size of the third grinding box 19 and the shape and size of the second grinding box 18 are set to be consistent, the lower ends of the first grinding box 1, the second grinding box 18 and the third grinding box 19 are respectively provided with a feeding pipe 16, the feeding pipe 16 is provided with a first electric valve 17, the lower end of the feeding pipe 16 is provided with a second grinding box 20, and the second grinding box 20 is fixedly connected with the feeding pipe 16.

Further, a material distribution plate 21 is arranged inside the second grinding box 20, an inclined plane is arranged on the upper end face of the material distribution plate 21, the material distribution plate 21 is fixedly connected with the second grinding box 20, a second motor 22 is arranged at the lower end of the material distribution plate 21, a motor rotating shaft 23 is arranged at the lower end of the second motor 22, the motor rotating shaft 23 is connected with the second motor 22 through a coupler, a rotating disc 24 is arranged on the motor rotating shaft 23, the rotating disc 24 is disc-shaped, the rotating disc 24 is fixedly connected with the motor rotating shaft 23, an adjusting sleeve 25 is arranged at the lower end of the rotating disc 24, the adjusting sleeve 25 is attached to the motor rotating shaft 23, first electric push rods 26 are arranged on two sides of the adjusting sleeve 25, two first electric push rods 26 are arranged, a grinding head 27 is arranged at the lower end of the first electric push rod 26, the grinding head 27 is fixedly connected with the first electric push rods 26, and the grinding head 27 is fixedly connected with the adjusting sleeve 25.

Further, the both sides of bistrique 27 all are provided with fixed block 28, fixed block 28 is provided with two, fixed block 28 and two grinding case 20 fixed connection, the inside of fixed block 28 is provided with second electric putter 29, second electric putter 29 and fixed block 28 fixed connection, be provided with on the second electric putter 29 and blow material fan 30, blow material fan 30 and second electric putter 29 fixed connection, the upper end of blowing material fan 30 is provided with sealed piece 31, sealed piece 31 sets up to the laminating with fixed block 28, one side of fixed block 28 is provided with filter 32, filter 32 sets up to the annular plate form, be provided with a plurality of filtration pores on the filter 32, filter 32 and fixed block 28 fixed connection.

Further, a bonding ring 34 is arranged on the outer side of the second grinding box 20, the bonding ring 34 is arranged in a rectangular ring shape, the bonding ring 34 and the second grinding box 20 are arranged in a bonding manner, a mixing box 33 is arranged at the lower end of the bonding ring 34, the mixing box 33 is fixedly connected with the bonding ring 34, a connecting strip 35 is arranged inside the mixing box 33, a third motor 36 is arranged at the lower end of the connecting strip 35, the third motor 36 is fixedly connected with the connecting strip 35, a rotary sub-grinding head 37 is arranged at the lower end of the third motor 36, the rotary sub-grinding head 37 is connected with the third motor 36 through a transmission shaft, a plurality of fourth motors 38 are arranged inside the rotary sub-grinding head 37, a fixed shaft 39 is arranged on each fourth motor 38, the fixed shaft 39 is connected with the fourth motor 38 through a coupling, a material mixing plate 40 is arranged on the fixed shaft 39, the material mixing plate 40 is fixedly connected with the fixed shaft 39, a material guiding strip 41 is arranged on the material mixing plate 40, the guide strips 41 are provided with a plurality of guide strips 41, the guide strips 41 are fixedly connected with the material mixing plate 40, the lower end of the material mixing plate 40 is provided with two secondary grinding strips 42, the lower end of each secondary grinding strip 42 is provided with a discharging pipe 43, the lower end of each discharging pipe 43 is provided with a material mixing tank 44, and the material mixing tanks 44 are connected with the discharging pipes 43 through argon arc welding.

Further, a driven disc 45 is arranged on the mixing tank 44, a driving disc 46 is arranged at the front end of the driven disc 45, the driving disc 46 and the driven disc 45 are arranged to be meshed, a fifth motor 47 is arranged on one side of the driving disc 46, the fifth motor 47 is connected with the driving disc 46 through a transmission shaft, a tank inner pipe 48 is arranged inside the mixing tank 44, a conductor coil 49 is arranged outside the tank inner pipe 48, the conductor coil 49 is wound inside the tank inner pipe 48 and the mixing tank 44, a power transmitter 50 is arranged on one side of the conductor coil 49, the power transmitter 50 is electrically connected with the conductor coil 49, two side plates 51 are arranged on both sides of the mixing tank 44, two side plates 51 are arranged, the side plates 51 are arranged to be circular plate-shaped, the side plates 51 are fixedly connected with the mixing tank 44, a stirring rod 52 is arranged inside the tank inner pipe 48, the stirring rod 52 is fixedly connected with the mixing tank 33, a discharge pipe 53 is arranged at the lower end of the stirring rod 52, the discharging pipe 53 is fixedly connected with the side plate 51, and an electric valve is arranged on the discharging pipe 53.

A use method of a raw material mixing multistage grinding device for cement production comprises the following steps:

the method comprises the following steps: a user can respectively feed various raw materials into the first grinding box 1, the second grinding box 18 and the third grinding box 19, the grinding treatment of the various raw materials is realized through the grinding strips 13 on the rotating first grinding cylinder 5 and the second grinding cylinder 8, and after the completion of grinding is confirmed, the raw materials can be fed into the second grinding box 20 through the action of gravity and the feeding pipe 16;

step two: the raw material fed into the second grinding box 20 falls on the upper end of the filter plate 32, the second motor 22 drives the grinding head 27 to rotate, the grinding head 27 rotating at high speed and the fixed block 28 are used for realizing secondary grinding treatment on the raw material, after the grinding is confirmed to be finished, the powder is fed into the mixing box 33, and the third motor 36 and the fourth motor 38 respectively drive the rotary secondary grinding head 37 and the mixing plate 40 to rotate, so that the raw material powder is stirred and mixed;

step three: the powder after the completion of stirring and mixing is confirmed to enter the interior of the mixing tank 44, the driven disc 45 meshed with the driving disc 46 is driven to rotate through the fifth motor 47, so that the mixing tank 44 is rotated, the raw materials in the interior of the mixing tank 44 are mixed again through the mutual matching of the rotating mixing tank 44 and the fixed stirring rod 52, and after a period of time, the raw materials can be discharged from the discharge pipe 53.

The working principle is as follows: when in use, the whole raw material mixing multistage grinding device is checked firstly, the use of the device can be started, a user can respectively send a plurality of raw materials into the first grinding box 1, the second grinding box 18 and the third grinding box 19, the grinding treatment of the plurality of raw materials is realized through the grinding strips 13 on the rotating first grinding cylinder 5 and the second grinding cylinder 8, after the completion of the grinding is confirmed, the raw materials can be sent into the second grinding box 20 through the action of gravity and the feeding pipe 16, the raw materials sent into the second grinding box 20 fall on the upper end of the filter plate 32, the grinding head 27 is driven to rotate through the second motor 22, the secondary grinding treatment of the raw materials is realized through the grinding head 27 rotating at high speed and the fixed block 28, after the completion of the grinding is confirmed, the powder can be sent into the mixing box 33, and the rotating secondary grinding head 37 and the mixing plate 40 are respectively driven to rotate through the third motor 36 and the fourth motor 38, thereby realizing the stirring and mixing of the raw material powder, confirming that the powder after the stirring and mixing is completed can enter the interior of the mixing tank 44, and the driven disc 45 meshed with the driving disc 46 is driven to rotate through the fifth motor 47, thereby realizing the rotation of the mixing tank 44, realizing the re-mixing of the raw material in the interior of the mixing tank 44 through the mutual matching of the rotating mixing tank 44 and the fixed stirring rod 52, after a period of time, discharging the raw material from the discharging pipe 53, and during the process of using the raw material mixing multistage grinding device, a user can realize the fast switching of the grinding material rings through the first grinding ring 10 and the second grinding ring 11 which are connected in a bolt manner, thereby accurately keeping the size of the material at a stable value when grinding materials with different sizes, and simultaneously realizing the fast dismounting of the grinding material strips 13 through the mounting holes 12 arranged in the first grinding ring 10 and the second grinding ring 11, when the grinding material strips 13 are damaged, the grinding material strips 13 can be replaced to recycle the grinding cylinder, so that the use cost of a user can be relieved to a certain extent, meanwhile, the fourth motor 38 can be driven to drive the fixed shaft 39 to rotate, so that the two material mixing plates 40 can be rotated, the mixing treatment of various materials can be realized through the rotating material mixing plates 40, meanwhile, the mixing efficiency of raw materials can be accelerated through the plurality of material guide strips 41 on the material mixing plates 40, so that the grinding efficiency of the whole grinding device can be improved to a certain extent, finally, the raw materials entering the material mixing tank 44 can be subjected to secondary stirring treatment through the fixed material stirring rods 52, and meanwhile, the conductor coils 49 can be matched with the power transmitter 50 to electrify the conductor coils 49 rotating along with the material mixing tank 44, therefore, a rotating magnetic field can be formed inside the material mixing tank 44, when the magnetic field rotates, powder can generate circulation flow at the level under the action of tangential and radial component forces, and the powder can move up and down in a vertical plane under the action of axial component forces, so that the rotating magnetic field generates flow in the vertical plane and horizontal plane directions in the powder to form electromagnetic stirring on the powder, so that the powder can be uniformly stirred, the phenomenon of segregation caused by gravity is prevented, and the phenomenon of nonuniform mixing of the powder is caused.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.