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CN-121972258-A - Spiral vibration structure of aluminum hydroxide powder grinding device

CN121972258ACN 121972258 ACN121972258 ACN 121972258ACN-121972258-A

Abstract

The invention relates to the technical field of grinding equipment, and discloses a spiral vibration structure of an aluminum hydroxide powder grinding device, which comprises a bracket, wherein the bracket comprises a bottom plate, two upright posts fixedly connected to the top of the bottom plate, and two cross beams fixedly connected between the two upright posts, a grinding barrel is arranged between the two upright posts, in the scheme, by arranging a spiral vibration component, when a driving shaft rotates, the fixed block slides along the inclined plane to enable the screening frame to lift and compress the elastic telescopic cylinder, when the fixed block slides to the vertical plane, the support is lost, the screening frame rapidly falls under the action of elasticity and gravity to generate vibration, high-efficiency screening is realized, the co-operation of grinding, screening, vibration and conveying is realized simultaneously through the same driving shaft, an independent vibration motor is not needed, and the whole machine has a compact structure and low energy consumption; the grinding assembly and the scraping assembly are driven to reversely run simultaneously through the single driving motor, so that the functional integration of grinding and blanking is realized, material accumulation is effectively avoided, and the grinding uniformity is improved.

Inventors

  • Jia Shuaimin
  • SHI RUIJIE
  • CHANG HONG
  • YUAN BINGSHEN
  • Fan Shuaijie

Assignees

  • 汝州同远新材料有限公司

Dates

Publication Date
20260505
Application Date
20260402

Claims (10)

  1. 1. The spiral vibration structure of the aluminum hydroxide powder grinding device comprises a support (1), wherein the support (1) comprises a bottom plate (11), two upright posts (12) fixedly connected to the top of the bottom plate (11) and two cross beams (13) fixedly connected between the two upright posts (12), and a grinding barrel (2) is arranged between the two upright posts (12), and the spiral vibration structure is characterized in that a grinding component (3), a screening component (4) and a spiral vibration component (5) for vibrating the screening component (4) are arranged in the grinding barrel (2), a wall scraping component (6) is integrated in the grinding component (3), and a driving component (7) for driving the grinding component (3) and the wall scraping component (6) is arranged between the two cross beams (13); The grinding assembly (3) comprises a chassis (31) fixedly arranged at the inner side of the grinding barrel (2), a fixed rod (32) fixedly connected to the outer wall of the chassis (31), a grinding disc (33) rotatably connected to the top of the chassis (31) and a driving shaft (34) fixedly connected to the inner wall of the grinding disc (33), one end, far away from the chassis (31), of the fixed rod (32) is fixedly connected with the inner wall of the grinding barrel (2), and the driving shaft (34) penetrates through the inner wall of the chassis (31) and is rotatably connected with the inner wall of the grinding barrel; the screening assembly (4) comprises a screening frame (41) which is connected to the inner wall of the grinding barrel (2) in a sliding manner, a fixed plate (42) which is fixedly connected to the inner wall of the screening frame (41), and an elastic telescopic cylinder (43) which is fixedly arranged between the fixed plate (42) and a corresponding fixed rod (32), wherein the driving shaft (34) penetrates through the inner wall of the screening frame (41) and is movably connected with the inner wall of the screening frame; The spiral vibration assembly (5) comprises a first fixed ring (51) fixedly connected to the center of the bottom of the screening frame (41), a fixed block (52) fixedly connected to the bottom of the first fixed ring (51), a second fixed ring (53) fixedly sleeved on the outer wall of the driving shaft (34), a semicircular wedge block (54) fixedly connected to the top of the second fixed ring (53), and a spiral auger (55) fixedly connected to the bottom of the driving shaft (34), wherein the bottom of the fixed block (52) is selectively contacted with the semicircular wedge block (54) or the top of the second fixed ring (53), and the inner wall of the first fixed ring (51) is movably connected with the outer wall of the driving shaft (34).
  2. 2. The spiral vibration structure of the aluminum hydroxide powder grinding device according to claim 1, wherein the elastic telescopic cylinder (43) is an elastic telescopic structure, and both ends of the elastic telescopic cylinder (43) are fixedly connected with the bottom of the fixing rod (32) and the top of the fixing plate (42), respectively.
  3. 3. The spiral vibration structure of the aluminum hydroxide powder grinding apparatus according to claim 1, wherein the top of the semicircular wedge (54) is provided with a slope extending from low to high in the rotation direction of the semicircular wedge (54), and the end of the slope is provided with a vertical plane.
  4. 4. The spiral vibration structure of an aluminum hydroxide powder grinding device according to claim 1, wherein the scraping wall assembly (6) comprises a hollow shaft (61) rotatably connected to the outer wall of the driving shaft (34), a scraping brush (62) fixedly connected to the outer wall of the hollow shaft (61), a ring wall (63) fixedly connected to the top of the grinding disc (33), and a blanking groove (64) formed in the grinding disc (33), and the bottom of the scraping brush (62) is attached to the top of the grinding disc (33).
  5. 5. The spiral vibration structure of the aluminum hydroxide powder grinding apparatus according to claim 1, wherein the driving assembly (7) comprises a driving motor (71) installed at the top of the lower beam (13), a first bevel gear (72) fixedly connected to the output end of the driving motor (71), and a second bevel gear (73) and a third bevel gear (74) engaged to the tooth surface of the first bevel gear (72), wherein the inner wall of the second bevel gear (73) is fixedly connected with the outer wall of the driving shaft (34), and the inner wall of the third bevel gear (74) is fixedly connected with the outer wall of the hollow shaft (61).
  6. 6. The spiral vibration structure of the aluminum hydroxide powder grinding apparatus according to claim 1, wherein the second bevel gear (73) is opposite in orientation to the third bevel gear (74).
  7. 7. The spiral vibration structure of the aluminum hydroxide powder grinding device according to claim 1, wherein bearings (14) are installed at positions of the two cross beams (13) corresponding to the driving shaft (34) and the hollow shaft (61), outer rings of the two bearings (14) are fixedly connected with inner walls of the two cross beams (13) respectively, and inner rings of the two bearings (14) are fixedly connected with outer walls of the corresponding driving shaft (34) or hollow shaft (61) respectively.
  8. 8. The spiral vibration structure of the aluminum hydroxide powder grinding apparatus according to claim 1, wherein the number of the fixing rods (32) and the number of the elastic telescopic cylinders (43) are all plural and distributed uniformly in a ring shape, and the fixing rods (32) correspond to the number and the positions of the elastic telescopic cylinders (43).
  9. 9. The spiral vibration structure of the aluminum hydroxide powder grinding device according to claim 1, wherein a guiding slope (21) is arranged on the inner wall of the grinding barrel (2) located below the sieving frame (41), a through groove (22) is formed below the guiding slope (21), and the spiral auger (55) is rotatably arranged on the inner wall of the through groove (22).
  10. 10. The spiral vibration structure of an aluminum hydroxide powder grinding apparatus according to claim 1, wherein the chassis (31) is identical to the diameter of the grinding disc (33), and the diameter of the chassis (31) is smaller than the inner diameter of the screening frame (41).

Description

Spiral vibration structure of aluminum hydroxide powder grinding device Technical Field The invention relates to the technical field of grinding equipment, in particular to a spiral vibration structure of an aluminum hydroxide powder grinding device. Background The aluminum hydroxide powder is widely applied to the fields of flame retardant materials, ceramic fillers, catalyst carriers and the like, the particle size distribution and the powder purity of the aluminum hydroxide powder have important influence on the performance of downstream products, in the production process of the aluminum hydroxide powder, grinding and screening are key procedures, and the ground powder is usually required to be screened to obtain a finished product meeting the particle size requirement. The common aluminum hydroxide powder grinding device generally comprises a grinding cavity, a grinding disc and a chassis which are arranged in the grinding cavity, and a screening mechanism arranged below the grinding cavity, wherein the screening mechanism is in a vibrating screen mode, a vibrating source of the screening mechanism is generally a vibrating motor or an eccentric wheel vibration exciter which is arranged independently, and a screen plate is driven by an independent power source to generate high-frequency vibration so as to realize graded screening of powder. The existing grinding device is simple in structure and easy to implement, but has the defects in actual use, such as relatively bulkier overall structure, relatively high energy consumption and relatively high running cost of equipment due to the fact that independent driving motors are respectively adopted for grinding and screening, and the defect points of equipment are increased due to the fact that a plurality of power sources are arranged, the later maintenance difficulty and cost are increased, and the use experience of the device is affected. Disclosure of Invention The invention aims to provide a spiral vibration structure of an aluminum hydroxide powder grinding device, so as to solve the problems that the prior art proposes to adopt independent driving for screening, so that the running cost of equipment is high, and the maintenance difficulty and cost are increased. The spiral vibration structure of the aluminum hydroxide powder grinding device comprises a bracket, wherein the bracket comprises a bottom plate, two upright posts fixedly connected to the top of the bottom plate and two cross beams fixedly connected between the two upright posts, a grinding barrel is arranged between the two upright posts, a grinding component, a screening component and a spiral vibration component for vibrating the screening component are arranged in the grinding barrel, a wall scraping component is integrated in the grinding component, and a driving component for driving the grinding component and the wall scraping component is arranged between the two cross beams; The grinding assembly comprises a chassis fixedly arranged at the inner side of the grinding barrel, a fixed rod fixedly connected to the outer wall of the chassis, a grinding disc rotatably connected to the top of the chassis and a driving shaft fixedly connected to the inner wall of the grinding disc, one end of the fixed rod, which is far away from the chassis, is fixedly connected with the inner wall of the grinding barrel, and the driving shaft penetrates through the inner wall of the chassis and is rotatably connected with the inner wall of the grinding barrel; The screening assembly comprises a screening frame, a fixed plate and an elastic telescopic cylinder, wherein the screening frame is connected to the inner wall of the grinding barrel in a sliding manner, the fixed plate is fixedly connected to the inner wall of the screening frame, the elastic telescopic cylinder is fixedly arranged between the fixed plate and a corresponding fixed rod, and the driving shaft penetrates through the inner wall of the screening frame and is movably connected with the inner wall of the screening frame; The spiral vibration assembly comprises a first fixed ring fixedly connected to the center of the bottom of the screening frame, a fixed block fixedly connected to the bottom of the first fixed ring, a second fixed ring fixedly sleeved on the outer wall of the driving shaft, a semicircular wedge fixedly connected to the top of the second fixed ring, and a spiral auger fixedly connected to the bottom end of the driving shaft, wherein the bottom of the fixed block is selectively contacted with the top of the semicircular wedge or the second fixed ring, and the inner wall of the first fixed ring is movably connected with the outer wall of the driving shaft. Preferably, the elastic telescopic cylinder is of an elastic telescopic structure, and two ends of the elastic telescopic cylinder are fixedly connected with the bottom of the fixing rod and the top of the fixing plate respectively. Preferably, the top of the semicircul