Dual-drive triple centrifugal separation nanometer sand mill

Abstract

The utility model relates to a dual-drive triple centrifugal separation nanometer sand mill which comprises a first motor arranged on a first rack and a second motor arranged on a second rack, a grinding barrel is arranged on one side of the first rack, a first main shaft penetrates through the grinding barrel, and a first discharging turbine is fixedly installed at one end of the first main shaft; a second bearing seat is arranged in the second rack, a bearing is arranged in the second bearing seat, a second main shaft penetrates through the bearing, a main shaft belt wheel is installed at one end of the second main shaft, a second discharging turbine is fixedly installed at the other end of the second main shaft, and a third discharging turbine is fixedly installed in the second discharging turbine. Materials ground by the grinding device meet the requirements of lithium iron phosphate and ink jet on the fineness degree of particles, and the grinding device has the advantages of high grinding efficiency, good grinding effect and high grinding fineness degree; and the problem that a traditional sand mill is not provided with a multi-centrifugal separation structure, so that the traditional sand mill cannot finely grind materials with very high fine requirements such as lithium iron phosphate and ink jet is effectively solved.

Description

Technical Field

[0001] The utility model relates to the field of sand mills, in particular to a double-drive triple-centrifugal separation nano sand mill. Background Art

[0002] Lithium iron phosphate is an electrode material for lithium-ion batteries, and inkjet is a consumable for printers. Lithium iron phosphate and inkjet have very high requirements for the fineness of particles. The slurries of these two materials need to be ground into extremely small particles during the grinding process to meet the application requirements. The grinding structure of traditional sand mills only has a main shaft, a grinding turbine, a discharge turbine and a discharge screen. The grinding machine with such a structure cannot meet the fine requirements of particles in lithium iron phosphate and inkjet materials after grinding. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a double-drive triple-centrifugal separation nano sand mill.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions: The double-drive triple-centrifugal separation nano sand mill includes a machine table. A first frame is provided at one end of the machine table, and a second frame is provided at the other end of the machine table. A first motor is provided on the first frame, and a second motor is provided on the second frame. A grinding barrel is provided on one side of the first frame. The grinding barrel is connected and installed to the first frame through a first bearing seat. A first main shaft penetrates through the grinding barrel. A first discharge turbine is fixedly installed at one end of the first main shaft. The other end of the first main shaft penetrates through the first bearing seat and is connected to the first motor through a synchronous belt assembly.

[0005] By adopting the above technical solution, when the first motor rotates, it can drive the synchronous belt assembly to rotate. When the synchronous belt assembly rotates, it can drive the first main shaft to rotate. When the first main shaft rotates, it can drive the first discharge turbine to rotate.

[0006] A second bearing seat is provided inside the second frame; a motor cover is provided on one side of the second bearing seat, and a side cover is connected and installed on the other side of the second bearing seat; a bearing is provided inside the second bearing seat. A second main shaft penetrates through the bearing inside the second bearing seat. A main shaft pulley is installed at one end of the second main shaft. A motor pulley is provided at the output end of the second motor. The motor pulley is drivingly connected to the main shaft pulley through a belt to realize the second motor driving the second main shaft to rotate; a second discharge turbine is fixedly installed at the other end of the second main shaft. A third discharge turbine is fixedly installed inside the second discharge turbine.

[0007] By adopting the above technical solution, when the second motor rotates, it can drive the motor pulley to rotate. When the motor pulley rotates, it can drive the second main shaft to rotate. When the second main shaft rotates, it can drive the second discharge turbine and the third discharge turbine to rotate synchronously. When the second discharge turbine rotates, it can further grind the material entering the first discharge turbine.

[0008] Preferably, a grinding part is provided on the second discharge turbine, and a discharge part is provided at one end of the grinding part; a bead guiding groove is provided on the grinding part, and steel balls are discharged from the inner cavity of the grinding part to the outside through the bead guiding groove. One or more groups of grinding rod tips protrude outward on the outer circumference of the grinding part; one or more first discharge ports are provided on the circumference of the discharge part.

[0009] By adopting the above technical solution, a grinding part is provided on the second discharge turbine and multiple groups of grinding rod tips are provided on the outer circumference of the grinding part. At the same time, a bead guiding groove is provided on the grinding part of the second discharge turbine. When the second discharge turbine rotates, it can drive multiple groups of grinding rod tips to rotate synchronously. At the same time, the steel balls in the inner cavity of the grinding part can be discharged outward through the bead guiding groove, ensuring that there are enough steel balls in the first discharge turbine to collide with the grinding rod tips to further grind the materials in the first discharge turbine. The further ground materials enter the second discharge turbine through the first discharge port of the discharge part.

[0010] Preferably, the grinding barrel includes a cooling outer barrel, and a grinding inner barrel is provided inside the cooling outer barrel; one or more grinding turbines are provided on the first main shaft, a spacer sleeve is provided between adjacent two grinding turbines, and a spacer sleeve is also provided between the grinding turbine and the first discharge turbine.

[0011] By adopting the above technical solution, one or more grinding turbines are provided on the first main shaft and a spacer sleeve is provided between adjacent two grinding turbines, so that when the first main shaft rotates, it can drive one or more grinding turbines to rotate synchronously to uniformly grind the materials entering the grinding inner barrel, ensuring good grinding effect and high grinding efficiency of the materials. And the cooling outer barrel can cool down the heat generated by the work of the grinding inner barrel.

[0012] Preferably, both the first discharge turbine and the second discharge turbine include a discharge turbine body, mounting screw holes are provided on one side surface of the discharge turbine body, and second discharge ports are provided on the circumference of the discharge turbine body.

[0013] By adopting the above technical solution, when the first main shaft rotates driven by the first motor, it can drive the grinding turbines mounted on it to rotate synchronously. The rotating grinding turbines can grind the materials entering the grinding inner barrel. As more and more materials enter the grinding inner barrel, the rotating grinding turbines can push the ground materials in the direction of the first discharge turbine and convey them into the first discharge turbine through the second discharge port on the first discharge turbine.

[0014] Preferably, a discharge screen is fixedly installed in the third discharge turbine, and the second motor drives the second discharge turbine, the third discharge turbine and the discharge screen to rotate together through the second main shaft.

[0015] Preferably, a discharge channel is axially provided on the second main shaft, and a rotary joint is provided at the discharge end of the discharge channel.

[0016] By adopting the above technical solution, the second main shaft drives the second discharge turbine to rotate to further grind the materials in the first discharge turbine. When the third discharge turbine rotates, it can centrifugally separate the materials entering the second discharge turbine, so that the materials entering the third discharge turbine from the second discharge turbine can enter the discharge channel through the discharge screen under the action of centrifugal force and be discharged from the discharge channel through the rotary joint.

[0017] Preferably, a feed pipe is connected to one end of the grinding barrel close to the first motor, and a pressure gauge is provided on the pipeline of the feed pipe.

[0018] Preferably, an operation box is provided on the front surface of the first frame.

[0019] Preferably, casters are respectively provided under the two ends of the machine table bottom surface.

[0020] Preferably, a frequency converter electric box driven by the second motor is provided on one side of the second frame, and a speed regulation screen driven by the second motor is provided on the frequency converter electric box driven by the second motor.

[0021] By adopting the above technical solution, the operator can input parameters for controlling the running speed of the second motor through the speed regulation screen driven by the second motor to control the running speed of the second motor, and further control the rotation speeds of the second discharge turbine, the third discharge turbine and the discharge screen by adjusting the running speed of the second main shaft to meet the requirements for different grinding fineness of the materials.

[0022] Preferably, a controller or control system for signal control of components such as the first motor, the second motor, the frequency converter electric box driven by the second motor and the speed regulation screen driven by the second motor is built in the operation box. The controller is a PLC programmable logic controller. The PLC programmable logic controller can adopt a programmable logic controller with the place of origin in Shenzhen and the model of XDS-40T-D, but it is not limited thereto.

[0023] It should be noted that the synchronous belt assembly includes a synchronous pulley installed on the output end of the first motor and another synchronous pulley installed on one end of the first main shaft close to the first motor, and the two synchronous pulleys are connected with a synchronous belt. The main shaft pulley and the motor pulley are both functional descriptions of the pulley. The ball raceway groove refers to a groove that provides a path for the movement of steel balls. The frequency converter electric box driven by the second motor and the speed regulation screen driven by the second motor are respectively functional descriptions of the electric control box and the touch display screen.

[0024] Compared with the existing technology, the beneficial effects of the present utility model are as follows: 1. It is provided with a bearing seat two inside the frame two, a bearing is arranged inside the bearing seat two, a main shaft two passes through the bearing inside the bearing seat two, a main shaft pulley is installed at one end of the main shaft two, a motor pulley is arranged at the output end of the motor two, and the motor pulley is drivingly connected with the main shaft pulley through a belt to realize the motor two driving the main shaft two to rotate; a discharge turbine two is fixedly installed at the other end of the main shaft two, a discharge turbine three is fixedly installed inside the discharge turbine two, a discharge screen is fixedly installed inside the discharge turbine three, and the main shaft two can drive the discharge turbine two, the discharge turbine three and the discharge screen to rotate together under the drive of the motor two and cooperate with the discharge turbine one; when the main shaft two drives the discharge turbine two to rotate, it can further grind the material entering the discharge turbine one, so that the ground material can meet the requirements of lithium iron phosphate and inkjet for the particle fineness, and it has the advantages of fine grinding fineness and good grinding effect.

[0025] 2. It adopts a dual-drive mode of the motor one driving the main shaft one to rotate and the motor two driving the main shaft two to rotate to grind the material, so that the time required for grinding the material to meet the requirements of lithium iron phosphate and inkjet for the particle fineness is shorter, and it has the advantage of high grinding efficiency.

[0026] 3. It is provided with a discharge part and a grinding part on the discharge turbine two, and a plurality of groups of grinding rod tips are evenly distributed and protrude outwards on the outer circumference of the grinding part, and each group of grinding rod tips is provided with a plurality of them. At the same time, it is also provided with a bead guiding groove on the grinding part, and the steel beads in the inner cavity of the grinding part can be discharged outwards through the bead guiding groove. This structural design can ensure that there are enough steel beads in the discharge turbine one to collide with the grinding rod tips to further grind the material in the discharge turbine one, and the fineness of the material particles is finer after triple centrifugal separation by the discharge turbine one, the discharge turbine two and the discharge turbine three. It is especially suitable for grinding materials with high requirements for particle fineness such as lithium iron phosphate and inkjet, and effectively solves the problem that the traditional sand mill cannot achieve fine grinding of materials with very high fine requirements such as lithium iron phosphate and inkjet due to the lack of a structure with multiple centrifugal separations.

[0027] 4. It is fixedly installed with a discharge screen inside the discharge turbine three and provided with a discharge channel in the axial direction of the main shaft two. When the discharge turbine three rotates at a high speed under the drive of the main shaft two, it can not only use the centrifugal force to throw the material onto the discharge screen, so that the material with the particle fineness meeting the requirements can enter the discharge channel through the discharge screen and be discharged through the rotary joint from the discharge channel, but also the high-speed rotating discharge turbine three can perform centrifugal separation on the material stuck on the discharge screen to avoid the phenomenon of blocking the discharge screen. It realizes automatic blockage clearing of the discharge screen, avoiding the trouble of manual blockage clearing of the discharge screen and being more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] For ease of description, the present utility model will be described in detail by the following preferred embodiments and accompanying drawings.

[0029] Figure 1 It is a structural schematic diagram of a double - drive triple - centrifugal - separation nano - sand mill of the present utility model.

[0030] Figure 2 It is a three - dimensional view of the discharge turbine two of a double - drive triple - centrifugal - separation nano - sand mill of the present utility model.

[0031] Figure 3 It is a three - dimensional view of the discharge turbine one or the discharge turbine three of a double - drive triple - centrifugal - separation nano - sand mill of the present utility model.

[0032] Figure 4 It is a schematic diagram of the motor two - driven frequency converter electric box and the motor two - driven speed control panel of a double - drive triple - centrifugal - separation nano - sand mill of the present utility model. Detailed implementation mode

[0033] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant accompanying drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0035] In this embodiment, referring to Figures 1 to 4 As shown, a double - drive triple - centrifugal - separation nano - sand mill of the present utility model includes a machine table 1. A first frame 2 is provided at one end of the machine table 1, and a second frame 3 is provided at the other end of the machine table 1. A first motor 4 is provided on the first frame 2, and a second motor 5 is provided on the second frame 3. A grinding barrel is provided on one side of the first frame 2. The grinding barrel is connected and installed to the first frame 2 through a bearing seat one 6. A first main shaft 7 passes through the grinding barrel. A discharge turbine one 8 is fixedly installed at one end of the first main shaft 7. The other end of the first main shaft 7 passes through the bearing seat one 6 and is connected to the first motor 4 through a synchronous belt assembly.

[0036] In one embodiment, a second bearing housing 9 is provided inside the second frame 3; a motor cover 10 is provided on one side of the second bearing housing 9, and a side cover 11 is connected and installed on the other side of the second bearing housing 9; a bearing 12 is provided inside the second bearing housing 9, and a second main shaft 13 is provided through the bearing 12 inside the second bearing housing 9. A main shaft pulley 14 is installed at one end of the second main shaft 13, and a motor pulley 15 is provided at the output end of the second motor 5. The motor pulley 15 is drivingly connected to the main shaft pulley 14 through a belt 16 to realize the second motor 5 driving the second main shaft 13 to rotate; a second discharge turbine 17 is fixedly installed at the other end of the second main shaft 13, and a third discharge turbine 18 is fixedly installed inside the second discharge turbine 17.

[0037] In one embodiment, a grinding portion 171 is provided on the second discharge turbine 17, and a discharge portion 172 is provided at one end of the grinding portion 171; a bead groove 173 is provided on the grinding portion 171, and steel balls are discharged from the inner cavity of the grinding portion 171 to the outside through the bead groove 173. One or more grinding rod tips 174 protrude outward on the outer circumference of the grinding portion 171; one or more first discharge ports 175 are provided on the circumference of the discharge portion 172.

[0038] In one embodiment, both the first discharge turbine 8 and the second discharge turbine 17 include a discharge turbine body 81, an installation screw hole 82 is provided on one side of the discharge turbine body 81, and a second discharge port 83 is provided on the circumference of the discharge turbine body 81.

[0039] In one embodiment, a discharge screen 19 is fixedly installed inside the third discharge turbine 18, and the second motor 5 drives the second discharge turbine 17, the third discharge turbine 18 and the discharge screen 19 to rotate together through the second main shaft 13.

[0040] In one embodiment, the grinding barrel includes a cooling outer barrel 20, and a grinding inner barrel 21 is provided inside the cooling outer barrel 20; one or more grinding turbines 22 are provided on the first main shaft 7, a spacer sleeve 23 is provided between adjacent two grinding turbines 22, and a spacer sleeve 23 is also provided between the grinding turbine 22 and the first discharge turbine 8.

[0041] In one embodiment, a discharge channel 24 is axially provided on the second main shaft 13, and a rotary joint 25 is provided at the discharge end of the discharge channel 24.

[0042] In one embodiment, a feed pipe 26 is connected to one end of the grinding barrel close to the first motor 4, and a pressure gauge 27 is provided on the pipeline of the feed pipe 26.

[0043] In one embodiment, an operation box 28 is provided on the front surface of the first frame 2.

[0044] In one embodiment, casters 29 are respectively provided under both ends of the bottom surface of the machine table 1.

[0045] In one embodiment, an electric motor two-driven frequency converter electric box 30 is provided on one side surface of the second frame 3, and an electric motor two-driven speed regulation screen 31 is provided on the electric motor two-driven frequency converter electric box 30.

[0046] In one embodiment, the operation process and structural design principle of the double-drive triple-centrifugal separation nano sand mill are as follows: The material to be ground is conveyed into the grinding inner barrel 21 through the feed pipe 26. When the first electric motor 4 rotates, the first main shaft 7 can be driven to rotate synchronously through the synchronous belt assembly. When the first main shaft 7 rotates, the grinding turbine 22 can be driven to rotate. By providing more than two grinding turbines 22, and adjacent two grinding turbines 22 are equidistantly installed on the first main shaft 7 through the spacer sleeve 23, the grinding turbines 22 can evenly grind the material entering the grinding inner barrel 21 when rotating; As more and more material enters the grinding inner barrel 21 through the feed pipe 26, the rotating grinding turbine 22 can use the centrifugal force to send the ground material into the first discharge turbine 8 through the second discharge port 83 of the first discharge turbine 8.

[0047] By providing a second bearing seat 9 in the second frame 3, a bearing 12 is provided in the second bearing seat 9, the first main shaft 13 passes through the bearing 12 in the second bearing seat 9, a main shaft pulley 14 is installed at one end of the first main shaft 13, an electric motor pulley 15 is provided at the output end of the second electric motor 5, and the electric motor pulley 15 is drivingly connected to the main shaft pulley 14 through a belt 16 to realize the second electric motor 5 driving the first main shaft 13 to rotate; A second discharge turbine 17 is fixedly installed at the other end of the first main shaft 13, a third discharge turbine 18 is fixedly installed in the second discharge turbine 17, and a discharge screen 19 is fixedly installed in the third discharge turbine 18. The first main shaft 13 can drive the second discharge turbine 17, the third discharge turbine 18 and the discharge screen 19 to rotate together under the drive of the second electric motor 5. When the first main shaft 13 drives the second discharge turbine 17 to rotate, it can further grind the material entering the first discharge turbine 8; By providing a discharge part 172 and a grinding part 171 on the second discharge turbine 17, a bead groove 173 is provided on the grinding part 171, and the steel balls in the inner cavity of the grinding part 171 can be discharged outward through the bead groove 173 to ensure that there are enough steel balls in the first discharge turbine 8 to collide with the grinding rod tips 174 in the second discharge turbine 17 to further grind the material in the first discharge turbine 8. The material after further grinding can enter the second discharge turbine 17 through the first discharge port 175 in the discharge part 172 of the second discharge turbine 17.

[0048] When the discharging turbine three 18 rotates, it can centrifugally separate the materials in the discharging turbine two 17, so that the materials that have been further ground in the discharging turbine two 17 can enter the discharging turbine three 18 through the second discharging port 83 in the discharging turbine three 18 under the action of centrifugal force. The rotating discharging turbine three 18 can drive the materials to the discharging screen 19 for screening and filtering, and the rotating discharging screen 19 can centrifugally separate the materials stuck on it to avoid the phenomenon of blockage of the discharging screen 19. It is provided with a discharging channel 24 in the axial direction of the main shaft two 13. The materials that have been ground fine by the discharging turbine two 17 and whose particle fineness meets the fine requirements can enter the discharging channel 24 through the discharging screen 19 under the action of the centrifugal force of the discharging turbine three 18, and are discharged from the discharging channel 24 through the rotary joint 25.

[0049] Its overall structure adopts the combination of the motor one 4 and the motor two 5 to achieve double drive, so that it can greatly improve the grinding efficiency, and can perform triple centrifugal separation on the materials in cooperation with the discharging vortex one, the discharging vortex two and the discharging vortex three. When the discharging turbine two 17 rotates, it can further grind the materials entering the discharging turbine one 8, so that the fineness of the material particles can be ground finer. It is especially suitable for grinding materials with high requirements for particle fineness such as lithium iron phosphate and inkjet. The materials ground by it meet the requirements for particle fineness of lithium iron phosphate and inkjet. It has the advantages of high grinding efficiency, good grinding effect and high grinding fineness. It effectively solves the problem that the traditional sand mill cannot achieve fine grinding of materials with very high fine requirements such as lithium iron phosphate and inkjet due to the lack of a structure for multiple centrifugal separation.

[0050] The above embodiments are only an example of the present invention, and are not used to limit the implementation and scope of rights of the present invention. Any technical solutions that are the same as or equivalent to the content described in the claims of the present invention shall be included within the protection scope of the present invention.

Claims

1. A dual-drive triple centrifugal separation nano sand mill, comprising a machine platform (1), a frame 1 (2) being provided at one end of the machine platform (1), a frame 2 (3) being provided at the other end of the machine platform (1), a motor 1 (4) being provided on the frame 1 (2), and a motor 2 (5) being provided on the frame 2 (3), wherein: A grinding barrel is provided on one side of the frame (2), and the grinding barrel is connected and installed with the frame (2) through a bearing seat (6). A main shaft (7) is provided through the grinding barrel, and a discharge turbine (8) is fixedly installed on one end of the main shaft (7). The other end of the main shaft (7) passes through the bearing seat (6) and is connected to the motor (4) through a synchronous belt assembly. A bearing seat 2 (9) is arranged in the frame 2 (3); a motor cover (10) is arranged on one side of the bearing seat 2 (9), and a side cover (11) is connected and installed on the other side of the bearing seat 2 (9); a bearing (12) is arranged in the bearing seat 2 (9), and a main shaft 2 (13) is arranged through the bearing (12) in the bearing seat 2 (9); a main shaft pulley (14) is installed on one end of the main shaft 2 (13); a motor pulley (15) is arranged at the output end of the motor 2 (5), and the motor pulley (15) is connected to the main shaft pulley (14) through a belt (16) to drive the motor 2 (5) to drive the main shaft 2 (13) to rotate; a discharge turbine 2 (17) is fixedly installed on the other end of the main shaft 2 (13), and a discharge turbine 3 (18) is fixedly installed in the discharge turbine 2 (17).

2. A dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: The second discharge turbine (17) is provided with a grinding portion (171), and a discharge portion (172) is provided at one end of the grinding portion (171); the grinding portion (171) is provided with a ball-chasing groove (173), and steel balls are discharged outward from the inner cavity of the grinding portion (171) through the ball-chasing groove (173); one or more grinding rod tips (174) are protruding outward from the outer circumference of the grinding portion (171); and one or more first discharge ports (175) are provided on the circumference of the discharge portion (172).

3. A dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: The first discharge turbine (8) and the second discharge turbine (17) both comprise a discharge turbine body (81), a mounting screw hole (82) is provided on one side of the discharge turbine body (81), and a second discharge port (83) is provided on the circumference of the discharge turbine body (81).

4. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: A discharge screen (19) is fixedly installed in the discharge turbine No. 3 (18), and the motor No. 2 (5) drives the discharge turbine No. 2 (17), the discharge turbine No. 3 (18) and the discharge screen (19) to rotate together through the main shaft No. 2 (13).

5. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: The grinding barrel comprises a cooling outer barrel (20), wherein a grinding inner barrel (21) is arranged inside the cooling outer barrel (20); one or more grinding turbines (22) are arranged on the main shaft (7), a spacer (23) is arranged between two adjacent grinding turbines (22), and a spacer (23) is also arranged between the grinding turbine (22) and the discharge turbine (8).

6. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: A discharge channel (24) is axially provided on the second main shaft (13), and a rotary joint (25) is provided at the discharge end of the discharge channel (24).

7. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: A feed pipe (26) is connected to one end of the grinding barrel close to the motor 1 (4), and a pressure gauge (27) is provided on the feed pipe (26).

8. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: An operating box (28) is provided on the front of the frame 1 (2).

9. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: Casters (29) are respectively provided at both ends of the bottom surface of the machine platform (1).

10. The dual-drive triple centrifugal separation nano sand mill according to claim 1, characterized in that: A motor second drive frequency converter electric box (30) is provided on one side of the frame 2 (3), and a motor second drive speed regulating screen (31) is provided on the motor second drive frequency converter electric box (30).

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