Crushing equipment for sintered white corundum

Abstract

The invention relates to the field of white corundum crushing, in particular to white corundum after-sintering crushing equipment which comprises an outer cylinder, a crushing mold is coaxially and fixedly mounted in the outer cylinder, a plurality of impact crushing cavities are formed between the top surface and the bottom surface of the crushing mold in a penetrating mode, and impact crushing plates are slidably mounted in the impact crushing cavities; an impact plate located above the crushing mold is coaxially installed in the outer barrel in a sliding mode, a plurality of impact crushing barrels with openings in the bottoms are fixedly installed on the bottom face of the impact plate and correspond to the impact crushing cavities one to one, and a plurality of impact crushing thorns are arranged on the inner walls of the impact crushing barrels; a plurality of screening material holes are formed between the top face and the bottom face of the impact crushing plate in a penetrating mode, a material uniformizing mechanism is rotationally installed at the top of the crushing mold, and a crushing driving mechanism is installed in the outer cylinder. White corundum is put into the impact crushing cavity, and the impact crushing plate quickly moves upwards, so that the white corundum is quickly thrown upwards and enters the impact crushing barrel to impact and crush with the impact crushing thorns.

Description

Technical Field

[0001] This invention relates to the field of white fused alumina crushing technology, specifically to a crushing device for white fused alumina after sintering. Background Technology

[0002] White fused alumina is a type of artificial abrasive. It is made from industrial alumina powder, which is sintered and melted at a high temperature of over 2000 degrees Celsius in an electric arc and then cooled. After being crushed, shaped, magnetically separated to remove iron, and sieved into various particle sizes, it has a dense texture, high hardness, and sharp-angled particle shape. It is suitable for manufacturing ceramics, resin-bonded abrasives, as well as grinding, polishing, sandblasting, precision casting, etc. It can also be used to manufacture high-grade refractory materials.

[0003] When crushing sintered white fused alumina, a double-roll crusher is usually used. The white fused alumina to be crushed is poured into the crusher. However, the double-roll crusher can only crush larger pieces of white fused alumina. The white fused alumina is squeezed by two crushing rollers, which easily causes white fused alumina particles to fly everywhere and generate dust. Moreover, it is impossible to screen the crushed white fused alumina, so white fused alumina particles of different sizes and the white fused alumina powder produced are all piled up together. It is impossible to continuously crush white fused alumina. To achieve the required particle size, multiple crushing operations are required.

[0004] Based on the above, the present invention provides a crushing device for white fused alumina after sintering to solve the above problems. Summary of the Invention

[0005] In view of the above situation and to overcome the defects of the prior art, the present invention provides a crushing device for white fused alumina after sintering, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A crushing device for sintered white corundum includes an outer cylinder. A crushing mold is coaxially fixedly installed inside the outer cylinder. Several impact crushing chambers are penetrated between the top and bottom surfaces of the crushing mold. An impact crushing plate is coaxially slidably installed inside each impact crushing chamber. An impact plate located above the crushing mold is coaxially slidably installed inside the outer cylinder. Several impact crushing cylinders with bottom openings are fixedly installed on the bottom surface of the impact plate. The multiple impact crushing cylinders correspond one-to-one with the multiple impact crushing chambers. Several impact crushing spikes are provided on the inner wall of the impact crushing cylinder. Several screening holes are penetrated between the top and bottom surfaces of the impact crushing plate. A material leveling mechanism is rotatably installed on the top of the crushing mold. A crushing drive mechanism is installed inside the outer cylinder.

[0007] Preferably, a feed inlet located above the crushing mold is passed through the inner and outer walls of the outer cylinder, and a feed hopper corresponding to the feed inlet is installed on the outer wall of the outer cylinder. The multiple impact crushing chambers are distributed in an inner ring and an outer ring, with six impact crushing chambers in the inner ring and twelve impact crushing chambers in the outer ring. The material leveling mechanism includes a material leveling turntable coaxially rotatably mounted on the center of the top surface of the crushing mold. Multiple circumferentially evenly distributed double V-shaped plates are fixedly mounted on the outer surface of the material leveling turntable. Each double V-shaped plate has two V-shaped bending sections, which correspond to the positions of the impact crushing chambers in the inner and outer rings, respectively. Multiple axially evenly distributed stop sensing plates are arranged inside the outer cylinder. When the free ends of the multiple double V-shaped plates simultaneously abut against the multiple stop sensing plates, the two V-shaped bending sections of the double V-shaped plates are respectively located between two impact crushing chambers in the inner ring and between two impact crushing chambers in the outer ring.

[0008] Preferably, the crushing drive mechanism includes multiple circumferentially evenly distributed crushing slide rails fixedly installed on the inner wall of the outer cylinder. Each crushing slide rail has an impact crushing plate slidably installed inside it. The other ends of the multiple impact crushing plates extend toward the middle of the outer cylinder and are jointly and fixedly connected to a crushing drive ring. The tops of the multiple impact crushing plates are jointly and fixedly installed with two impact crushing rings. The tops of the two impact crushing rings are each fixedly installed with an impact crushing rod. The top end of each impact crushing rod extends into one of the impact crushing chambers and is fixedly connected to the bottom of the impact crushing plate.

[0009] Preferably, the crushing drive mechanism further includes a crushing drive shaft rotatably mounted in the middle of the bottom surface inside the outer cylinder. A crushing drive column located inside the crushing drive ring is coaxially fixedly mounted on the outer surface of the top end of the crushing drive shaft. A reciprocating groove in a continuous arrangement is opened on the outer circumferential surface of the crushing drive column. A reciprocating pin located inside the reciprocating groove is fixedly mounted on the inner surface of the crushing drive ring.

[0010] Preferably, the reciprocating groove includes multiple energy storage inclined grooves, and a release vertical groove is provided between the top end of each energy storage inclined groove and the bottom end of the adjacent energy storage inclined groove. Multiple circumferentially evenly distributed release springs are fixedly connected between the top of the crushing drive ring and the bottom of the crushing mold, and a release spring protective cover located outside the release springs is fixedly installed between the top of the crushing drive ring and the bottom of the crushing mold.

[0011] Preferably, each of the impact crushing chambers is fixedly installed with a radially shaped perforated plate at its bottom. The perforated plate has a through hole in the middle through which the impact crushing rod can pass. Multiple perforated pins are fixedly installed on the top surface of the perforated plate. The positions of the multiple perforated pins correspond one-to-one with the positions of the multiple screening holes, and the diameter of the perforated pins is smaller than the diameter of the screening holes.

[0012] Preferably, a grinding mold located below multiple crushing slide rails is coaxially fixedly installed on the inner wall of the outer cylinder. The top surface of the grinding mold is provided with a grinding cone groove. A grinding cavity is vertically penetrating the middle of the grinding mold. A grinding column located inside the grinding cavity is coaxially slidably installed on the outer side of the crushing drive shaft. The outer diameter of the grinding column is smaller than the inner diameter of the grinding cavity. A conical platform with an upward protrusion in the middle is fixedly installed on the bottom surface inside the outer cylinder. The bottom of the grinding column abuts against the top of the conical platform. The outer cylinder has a discharge port that runs through the inner and outer walls, and the bottom of the discharge port is flush with the outer edge of the conical platform. A discharge hopper corresponding to the position of the discharge port is fixedly installed on the outer wall of the outer cylinder.

[0013] Preferably, a plurality of circumferentially evenly distributed grinding springs are fixedly connected between the top surface of the grinding column and the bottom surface of the crushing drive column, a grinding spring protective cover is fixedly installed between the top surface of the grinding column and the bottom surface of the crushing drive column, a hemisphere is fixedly installed on the top surface of the conical platform, and a plurality of circumferentially evenly distributed hemispherical grooves are opened on the bottom surface of the grinding column. When the bottom of the grinding column abuts against the top of the conical platform, the hemisphere is located inside one of the hemispherical grooves.

[0014] Preferably, a discharge ring located outside the grinding column is coaxially and rotatably mounted on the top of the conical platform. A vertical sliding groove is provided on the inner side of the discharge ring. A vertical slider that slides in cooperation with the vertical sliding groove is fixedly mounted on the outer side of the bottom end of the grinding column. Multiple discharge plates are fixedly mounted on the outer side of the discharge ring. The bottom of the multiple discharge plates is in contact with the conical surface of the conical platform.

[0015] Preferably, a crushing drive motor is fixedly installed at the bottom of the outer cylinder, the output shaft of the crushing drive motor is fixedly connected to the crushing drive shaft, and a telescopic rod is fixedly installed at the top of the outer cylinder, the output end of the telescopic rod passing through the interior of the outer cylinder and fixedly connected to the top of the impact plate.

[0016] The beneficial effects of this invention are as follows: 1. The rotation of the material feeding mechanism allows white fused alumina to be fed into several impact crushing chambers and placed above the impact crushing plates. The bottom of the multiple impact crushing cylinders coincides with the top opening of the multiple impact crushing chambers to prevent the white fused alumina particles from splashing during crushing. The crushing drive mechanism drives several impact crushing plates and the white fused alumina above them to move downwards to the bottom of the impact crushing chamber, allowing the multiple impact crushing plates to gain elastic energy storage. The crushing drive mechanism causes the multiple impact crushing plates to move upwards rapidly under the release of elastic force, thereby quickly throwing the white fused alumina above them upwards, allowing the white fused alumina to enter the impact crushing cylinder and be crushed by impact crushing spikes.

[0017] 2. The crushing drive mechanism can drive several impact crushing plates to perform continuous power storage and release operations, and can continuously throw and crush white fused alumina upwards at high speed. This allows the white fused alumina to be crushed by impact crushing spikes multiple times. When some white fused alumina is crushed to the required particle size, the white fused alumina particles can pass through the screening holes and reach the bottom of the crushing mold. White fused alumina that does not meet the particle size requirements will continue to be crushed by the impact crushing plates until all of them meet the particle size requirements.

[0018] 3. The outer cylinder is also equipped with a grinding mechanism located below the crushing mold. Through the circumferential and axial grinding of the grinding column, the crushed white corundum particles can be further ground to make them uniform in size. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the present invention.

[0020] Figure 2 This is a front cross-sectional view of the present invention.

[0021] Figure 3 This is a front perspective sectional view of the present invention.

[0022] Figure 4 This is a top cross-sectional view of the material leveling mechanism of the present invention.

[0023] Figure 5 For the present invention Figure 2 Enlarged view of point A in the middle.

[0024] Figure 6 For the present invention Figure 3 Enlarged view of point B in the middle.

[0025] Figure 7 This is a schematic diagram of the reciprocating groove on the outer side of the crushing drive column when it is deployed according to the present invention.

[0026] Figure 8 For the present invention Figure 2 Enlarged view of point C in the middle.

[0027] Figure 9 For the present invention Figure 2 Enlarged view of point D in the middle.

[0028] Figure 10 This is a cross-sectional schematic diagram of the impact crushing cylinder and the impact crushing chamber of the present invention when they coincide.

[0029] Figure 11 For the present invention Figure 10 Enlarged view of point E in the middle.

[0030] Figure 12 This is a top cross-sectional view of the impact crushing cylinder and impact crushing chamber of the present invention when they coincide.

[0031] Figure 13 This is a schematic diagram of the hemispherical groove and hemisphere at the bottom of the grinding column of the present invention.

[0032] In the diagram: 1. Outer cylinder; 2. Crushing mold; 3. Impact crushing chamber; 4. Impact crushing plate; 5. Impact plate; 6. Impact crushing cylinder; 7. Impact crushing spike; 8. Screening hole; 9. Feeding mechanism; 10. Crushing drive mechanism; 11. Feed hopper; 12. Feeding turntable; 13. Double V-shaped plate; 14. Stop sensor plate; 15. Crushing slide rail; 16. Impact crushing plate; 17. Crushing drive ring; 18. Impact crushing ring; 19. Impact crushing rod; 20. Crushing drive shaft; 21. Crushing drive column; 22. Reciprocating groove; 221 1. Storage inclined groove; 222. Release vertical groove; 23. Reciprocating pin; 24. Release spring; 25. Release spring protective cover; 26. Hollow plate; 27. Hollow ejector pin; 28. Grinding mold; 29. ​​Grinding conical groove; 30. Grinding chamber; 31. Grinding column; 32. Conical platform; 33. Discharge hopper; 34. Grinding spring; 35. Grinding spring protective cover; 36. Hemisphere; 37. Hemisphere groove; 38. Discharge deflector ring; 39. Vertical sliding groove; 40. Vertical slider; 41. Discharge deflector plate; 42. Crushing drive motor; 43. Telescopic rod. Detailed Implementation

[0033] The following will refer to the appendix. Figures 1-13 The description provides a detailed description of various embodiments of the present invention.

[0034] A crushing device for sintered white corundum, as shown in the attached document. Figure 1-13 As shown, the device includes an outer cylinder 1, with a support at its bottom for support. A cylinder cover is installed at the top of the outer cylinder 1. A cylindrical crushing mold 2 is coaxially fixed inside the outer cylinder 1. Several impact crushing chambers 3 extend through the top and bottom surfaces of the crushing mold 2. An impact crushing plate 4 is coaxially slidably installed inside each impact crushing chamber 3. The initial position of the impact crushing plate 4 is in the middle or lower-middle part of the impact crushing chamber 3. A crushing plate located on the crushing mold 2 is coaxially slidably installed inside the outer cylinder 1. The upper impact plate 5 has multiple impact crushing cylinders 6 with bottom openings fixedly installed on its bottom surface. The multiple impact crushing cylinders 6 correspond one-to-one with multiple impact crushing chambers 3. The inner wall of the impact crushing cylinder 6 is provided with several impact crushing spikes 7. The top and bottom surfaces of the impact crushing plate 4 are connected by several screening holes 8. The diameter of the screening holes 8 is larger than the particle size that white alumina needs to be crushed. The top of the crushing mold 2 is rotatably installed with a material leveling mechanism 9. The inner cavity of the outer cylinder 1 is equipped with a crushing drive mechanism 10. In use, the white fused alumina to be crushed is poured into the outer cylinder 1 and placed on top of the crushing mold 2. The rotation of the material feeding mechanism 9 allows the white fused alumina to be fed into several impact crushing chambers 3 and placed above the impact crushing plates 4. Then, the impact plates 5 are moved downwards so that the bottoms of the multiple impact crushing cylinders 6 overlap with the top openings of the multiple impact crushing chambers 3. The crushing drive mechanism 10 drives the multiple impact crushing plates 4 downwards to the bottom of the impact crushing chambers 3 (the multiple impact crushing plates 4 acquire elastic storage), causing the white fused alumina above them to also move downwards. Then, the crushing drive mechanism 10 causes the multiple impact crushing plates 4 to... Under the release of elasticity, it moves rapidly upward, thereby quickly throwing the white fused alumina above it upward, allowing the white fused alumina to enter the impact crushing cylinder 6 and be crushed by impact crushing spikes 7. The crushing drive mechanism 10 can drive several impact crushing plates 4 to perform continuous power storage-release operations, and can continuously throw and crush the white fused alumina upward rapidly, so that the white fused alumina can be crushed by impact crushing spikes 7 multiple times. When some white fused alumina is crushed to the required particle size, the white fused alumina particles can pass through the screening holes 8 and reach the bottom of the crushing mold. White fused alumina that does not meet the particle size requirements will continue to be crushed by the impact crushing plates 4 until all of them meet the particle size requirements. The outer cylinder 1 is also equipped with a grinding mechanism located below the crushing mold, which can further grind the crushed white corundum particles to make them uniform in size.

[0035] As attached Figures 2-4 , Figure 12 As shown, a feed inlet located above the crushing mold 2 passes through the inner and outer walls of the outer cylinder 1. A feed hopper 11 corresponding to the feed inlet is installed on the outer wall of the outer cylinder 1. The white corundum to be crushed can be poured into the feed hopper 11 and then slide down to the top of the crushing mold 2. The volume of white corundum poured into the feed hopper 11 each time should be less than the sum of the volumes of the spaces above the impact crushing plates 4 inside several impact crushing chambers 3. That is, when the spaces above the impact crushing plates 4 inside several impact crushing chambers 3 are filled with white corundum, the white corundum will not be higher than the top opening of the impact crushing chamber 3. The multiple impact crushing chambers 3 are distributed in an inner and outer ring. There are six impact crushing chambers 3 in the inner ring and twelve impact crushing chambers 3 in the outer ring. The material leveling mechanism 9 includes a material leveling turntable 12 coaxially rotatably mounted on the center of the top surface of the crushing mold 2. Multiple circumferentially evenly distributed double V-shaped plates 13 are fixedly mounted on the outer surface of the material leveling turntable 12. Each double V-shaped plate 13 has two V-shaped bending sections, corresponding to the positions of the impact crushing chambers 3 in the inner and outer rings, respectively. When the material leveling turntable 12 drives the multiple double V-shaped plates 13 to move circumferentially, the inner V-shaped bending section will move circumferentially above the six impact crushing chambers 3 in the inner ring, while the outer V-shaped bending section will... The twelve impact crushing chambers 3 on the outer ring move circumferentially above. When the double V-shaped plate 13 moves circumferentially, it can gather white fused alumina on the inner side of the two V-shaped bending sections, and then drive the white fused alumina to move circumferentially above the multiple impact crushing chambers 3 on the inner and outer rings, thereby pushing the white fused alumina into the interior of each impact crushing chamber 3 in sequence. When one of the impact crushing chambers 3 is filled with white fused alumina, the double V-shaped plate 13 pushes the remaining white fused alumina to the other impact crushing chambers 3, so that several impact crushing chambers 3 are filled with white fused alumina. The crushing mold 2 has a motor mounting slot in the center of its top and a motor is installed thereon. The output shaft of the motor is fixedly connected to the material distribution turntable 12. The motor is connected to a power supply and a controller. When the motor starts, it can drive the material distribution turntable 12 to rotate, thereby causing multiple double V-shaped plates 13 to move circumferentially. The outer cylinder 1 is equipped with multiple axially uniformly distributed stop sensing plates 14. These stop sensing plates 14 are electrically connected to the power supply and controller. When the material leveling process is complete and the material leveling turntable 12 needs to stop rotating, the controller sends a stop signal to the motor and the multiple stop sensing plates 14. When the free ends of multiple double V-shaped plates 13 simultaneously abut against the multiple stop sensing plates 14, the motor and the material leveling turntable 12 stop rotating. At this time, the two V-shaped bends of each double V-shaped plate 13 are respectively located between two impact crushing chambers 3 in the inner ring (see attached diagram). Figure 4 , Figure 12 The location of the V-shaped bend section inside each double V-shaped plate 13, and the location between two impact crushing chambers 3 on the outer ring (see attached). Figure 4 , Figure 12 The V-shaped bends on the outer side of each double V-shaped plate 13 are positioned using a stop sensor 14. This ensures that the multiple double V-shaped plates 13 do not interfere with the downward movement of the multiple impact crushing cylinders 6 to align with the top opening of the impact crushing chamber 3 (see attached image). Figure 12 (Schematic diagram showing the positions of multiple double V-shaped plates 13 when the top openings of the impact crushing cylinder 6 and the impact crushing chamber 3 are aligned).

[0036] As attached Figures 2-6 , Figures 10-11As shown, the crushing drive mechanism 10 includes multiple circumferentially evenly distributed crushing slide rails 15 fixedly installed on the inner wall of the outer cylinder 1. Each crushing slide rail 15 has an impact crushing plate 16 slidably installed inside it. One end of the impact crushing plate 16 can slide up and down inside the crushing slide rail 15. The other ends of the multiple impact crushing plates 16 extend to the middle of the outer cylinder 1 and are fixedly connected to a crushing drive ring 17. The tops of the multiple impact crushing plates 16 are fixedly installed with two impact crushing rings 18. The tops of the two impact crushing rings 18 are fixedly installed with impact crushing rods 19. The top of each impact crushing rod 19 extends into one of the impact crushing chambers 3 and is fixedly connected to the bottom of the impact crushing plate 4. When the crushing drive ring 17 moves up and down, it can drive the multiple impact crushing plates 16 to move up and down synchronously, thereby driving the two impact crushing rings 18 and the several impact crushing rods 19 on their tops to move up and down. The several impact crushing rods 19 then drive the several impact crushing plates 4 to move up and down inside the impact crushing chamber 3.

[0037] As attached Figures 5-7 As shown, the crushing drive mechanism 10 also includes a crushing drive shaft 20 rotatably mounted in the middle of the bottom surface inside the outer cylinder 1. A crushing drive column 21 located inside the crushing drive ring 17 is coaxially fixedly mounted on the outer side of the top end of the crushing drive shaft 20. A reciprocating groove 22 in a continuous arrangement is opened on the outer circumferential surface of the crushing drive column 21. A reciprocating pin 23 located inside the reciprocating groove 22 is fixedly mounted on the inner side of the crushing drive ring 17. The crushing drive shaft 20 can drive the crushing drive column 21 to rotate. When the crushing drive column 21 rotates, the crushing drive ring 17 can move up and down outside the crushing drive column 21 through the cooperation between the reciprocating groove 22 on its outer side and the reciprocating pin 23 on the inner side of the crushing drive ring 17.

[0038] As attached Figures 5-7 As shown, the reciprocating groove 22 includes a plurality of power storage inclined grooves 221. A release vertical groove 222 is provided between the top end of each power storage inclined groove 221 and the bottom end of the adjacent power storage inclined groove 221, so that a continuous reciprocating groove 22 is formed between the plurality of power storage inclined grooves 221 and the release vertical groove 222. A plurality of circumferentially evenly distributed release springs 24 are fixedly connected between the top of the crushing drive ring 17 and the bottom of the crushing mold 2. When the crushing drive ring 17 moves downward, it will stretch the plurality of release springs 24 to store force. A release spring protective cover 25 located outside the release springs 24 is fixedly installed between the top of the crushing drive ring 17 and the bottom of the crushing mold 2. In use, the crushing drive shaft 20 drives the crushing drive column 21 to rotate. First, it drives the reciprocating pin 23 to move downward through the power storage groove 221, thereby driving the crushing drive ring 17 to move downward so that the release spring 24 stores power. When the reciprocating pin 23 moves to the lowest end of the power storage groove 221, it enters the bottom end of the release vertical groove 222. At this time, there is no obstruction above the reciprocating pin 23, so it can move upward quickly in the release vertical groove 222 under the elastic force of multiple release springs 24, thereby driving the crushing drive ring 17 to move upward quickly. The crushing drive ring 17 then drives several impact crushing rods 19 to move several impact crushing plates 4 upward quickly, and throws the white corundum located above it upward, so that the white corundum collides with the impact crushing spikes 7 inside the impact crushing cylinder 6 and is crushed, and then falls to the top of the impact crushing plate 4. When the reciprocating pin 23 moves upward to the top of the release vertical groove 222, the crushing drive column 21 continues to rotate, causing the reciprocating pin 23 to enter the next power storage chute 221, and continues to drive the reciprocating pin 23, the crushing drive ring 17, several impact crushing plates 4 and the white corundum on top to move downward again and store power, until the reciprocating pin 23 moves upward quickly from the bottom of the release vertical groove 222 again. This reciprocating operation realizes the continuous throwing, impact and crushing of white corundum. During the crushing process, white corundum particles that meet the particle size requirements and have a particle size smaller than the screening hole 8 will pass through the screening hole 8 and reach the grinding mechanism inside the crushing mold 2. Lubricating oil can be applied between the reciprocating groove 22 and the reciprocating pin 23 to ensure lubrication and reduce friction and wear between them.

[0039] As attached Figure 5 , Figure 6 , Figure 11 As shown, each of the impact crushing chambers 3 is fixedly installed with a radially arranged perforated plate 26 at its bottom. The perforated plate 26 has a through hole in the middle through which the impact crushing rod 19 can pass. Multiple perforated pins 27 are fixedly installed on the top surface of the perforated plate 26. The positions of the multiple perforated pins 27 correspond one-to-one with the positions of the multiple screening holes 8. The diameter of the perforated pin 27 is smaller than the diameter of the screening holes 8, and the length of the perforated pin 27 is greater than the thickness of the impact crushing plate 4. To prevent white fused alumina particles from clogging the screening holes 8, when the impact crushing plate 4 moves downward to the bottom of the impact crushing chamber 3 each time, several perforated pins 27 can be inserted from the bottom of the screening holes 8, pushing the white fused alumina particles that are blocked inside the screening holes 8 upward. This allows the white fused alumina particles to undergo impact crushing again and reach the required particle size before passing through the screening holes 8 and entering the grinding mechanism.

[0040] As attached Figure 2 , Figure 3 , Figures 8-10As shown, a cylindrical grinding mold 28 is coaxially fixedly installed on the inner wall of the outer cylinder 1, located below multiple crushing slide rails 15. The top surface of the grinding mold 28 has a centrally recessed grinding cone groove 29. A grinding chamber 30 vertically penetrates the center of the grinding mold 28. White corundum particles meeting the particle size requirements, passing through the screening material holes 8, fall into the grinding cone groove 29 and slide along its conical surface into the grinding chamber 30. A grinding column 31, located inside the grinding chamber 30, is coaxially slidably installed on the outer side of the crushing drive shaft 20. When the crushing drive shaft 20 rotates, it drives the grinding column 31 to rotate synchronously. Simultaneously, the grinding column 31 can also move axially outside the crushing drive shaft 20. The outer diameter of the grinding column 31 is smaller than that of the grinding cylinder. The inner diameter of the grinding cavity 30 creates a grinding gap between the outer circumferential surface of the grinding column 31 and the inner circumferential surface of the grinding cavity 30. This grinding gap is smaller than the particle size of the crushed white corundum particles. The white corundum particles that slide into the grinding cavity 30 enter the grinding gap but cannot fall freely out of it. When the grinding column 31 rotates and moves axially, it can grind the white corundum particles. A conical platform 32 with an upward protrusion in the middle is fixedly installed on the bottom surface of the inner cylinder 1. The bottom of the grinding column 31 abuts against the top of the conical platform 32. When the white corundum particles are ground into uniformly sized particles, they can fall from the grinding gap onto the conical surface of the conical platform 32 and slide down onto the inner wall of the outer cylinder 1. The outer cylinder 1 has a discharge port that runs through the inner and outer walls, and the bottom of the discharge port is flush with the outer edge of the conical platform 32. A discharge hopper 33 corresponding to the position of the discharge port is fixedly installed on the outer wall of the outer cylinder 1. White corundum particles that slide down to the inner wall of the outer cylinder 1 can be discharged from the discharge hopper 33. The white corundum particles can be concentrated to the discharge hopper 33 and discharged by the scraper that moves circumferentially on the conical surface of the conical platform 32.

[0041] As shown in the attached diagram. Figure 13 As shown, a plurality of circumferentially evenly distributed grinding springs 34 are fixedly connected between the top surface of the grinding column 31 and the bottom surface of the crushing drive column 21. A grinding spring protective cover 35 is fixedly installed between the top surface of the grinding column 31 and the bottom surface of the crushing drive column 21. A hemisphere 36 is fixedly installed on the top surface of the conical platform 32. A plurality of circumferentially evenly distributed hemispherical grooves 37 are opened on the bottom surface of the grinding column 31. When the bottom of the grinding column 31 abuts against the top of the conical platform 32, the hemisphere 36 is located inside one of the hemispherical grooves 37. When the crushing drive shaft 20 drives the grinding column 31 to rotate, the grinding column 31 is lifted upward by the hemispherical ball 36 and compresses the grinding spring 34 to store energy. When the adjacent hemispherical groove 37 moves to the position corresponding to the hemispherical ball 36, the grinding column 31 moves downward under the elastic force of the grinding spring 34, so that the hemispherical groove 37 coincides with the hemispherical ball 36. This process is repeated, so that the grinding column 31 can achieve continuous axial movement while rotating, thereby grinding the white corundum particles that have entered the grinding gap in the circumferential or axial direction.

[0042] As attached Figure 2 , Figure 9 , Figure 13 As shown, a discharge ring 38 located outside the grinding column 31 is coaxially and rotatably mounted on the top of the conical platform 32. A vertical sliding groove 39 is provided on the inner side of the discharge ring 38. A vertical slider 40 that slides in cooperation with the vertical sliding groove 39 is fixedly mounted on the outer side of the bottom end of the grinding column 31. When the grinding column 31 rotates, it can drive the discharge ring 38 to rotate synchronously through the vertical slider 40. When the grinding column 31 moves vertically, the vertical slider 40 slides upward in the vertical sliding groove 39, but the vertical slider 40 will not slide out of the vertical sliding groove 39. Multiple discharge plates 41 are fixedly mounted on the outer side of the discharge ring 38. The bottom of the multiple discharge plates 41 is in contact with the conical surface of the conical platform 32. The discharge ring 38 can drive the multiple discharge plates 41 to move circumferentially, thereby pushing the white corundum particles on the conical surface of the conical platform 32 to the discharge hopper 33 for discharge.

[0043] As attached Figures 1-13 As shown, a crushing drive motor 42 is fixedly installed at the bottom of the outer cylinder 1. The crushing drive motor 42 is electrically connected to the power supply and controller. The output shaft of the crushing drive motor 42 is fixedly connected to the crushing drive shaft 20. When started, it can drive the crushing drive shaft 20 to rotate and crush and grind the white corundum. A telescopic rod 43 is fixedly installed at the top of the outer cylinder 1. The telescopic rod 43 can be a hydraulic cylinder. The output end of the telescopic rod 43 passes through the interior of the outer cylinder 1 and is fixedly connected to the top of the impact plate 5. When its output end extends or retracts, it can drive the impact plate 5 to move up and down.

[0044] It should be noted that in the description of this invention, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0045] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0046] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A crushing device for sintered white corundum, comprising an outer cylinder (1), characterized in that, The outer cylinder (1) is coaxially fixedly installed with a crushing mold (2). Several impact crushing chambers (3) are penetrated between the top and bottom surfaces of the crushing mold (2). An impact crushing plate (4) is coaxially slidably installed inside each impact crushing chamber (3). An impact plate (5) located above the crushing mold (2) is coaxially slidably installed inside the outer cylinder (1). Several impact crushing cylinders (6) with bottom openings are fixedly installed on the bottom surface of the impact plate (5). The multiple impact crushing cylinders (6) correspond one-to-one with the multiple impact crushing chambers (3). Several impact crushing spikes (7) are provided on the inner wall of the impact crushing cylinder (6). Several screening holes (8) are penetrated between the top and bottom surfaces of the impact crushing plate (4). A material leveling mechanism (9) is rotatably installed on the top of the crushing mold (2). A crushing drive mechanism (10) is installed inside the outer cylinder (1).

2. The crushing equipment for sintered white corundum according to claim 1, characterized in that, The outer cylinder (1) has a feed inlet located above the crushing mold (2) between its inner and outer walls. The outer cylinder (1) has a feed hopper (11) corresponding to the feed inlet. The multiple impact crushing chambers (3) are distributed in an inner and outer ring. There are six impact crushing chambers (3) in the inner ring and twelve impact crushing chambers (3) in the outer ring. The material leveling mechanism (9) includes a material leveling turntable (12) coaxially rotatably mounted on the top surface of the crushing mold (2). Multiple circumferentially evenly distributed double V-shaped plates (13) are fixedly mounted on the outer side of the material leveling turntable (12). The double V-shaped plates (13) have two V-shaped bending sections, which correspond to the positions of the impact crushing chambers (3) in the inner and outer rings, respectively. Multiple axially evenly distributed stop sensing plates (14) are provided inside the outer cylinder (1). When the free ends of the multiple double V-shaped plates (13) simultaneously abut against the multiple stop sensing plates (14), the two V-shaped bending sections of the double V-shaped plates (13) are respectively located between two impact crushing chambers (3) in the inner ring and between two impact crushing chambers (3) in the outer ring.

3. The crushing equipment for sintered white corundum according to claim 1, characterized in that, The crushing drive mechanism (10) includes multiple circumferentially evenly distributed crushing slide rails (15) fixedly installed on the inner wall of the outer cylinder (1). Each crushing slide rail (15) is slidably installed with an impact crushing plate (16). The other ends of the multiple impact crushing plates (16) extend toward the middle of the outer cylinder (1) and are jointly fixedly connected to a crushing drive ring (17). The tops of the multiple impact crushing plates (16) are jointly fixedly installed with two impact crushing rings (18). The tops of the two impact crushing rings (18) are fixedly installed with impact crushing rods (19). The top of each impact crushing rod (19) extends into one of the impact crushing chambers (3) and is fixedly connected to the bottom of the impact crushing plate (4).

4. The white corundum sintering crushing equipment according to claim 3, characterized in that, The crushing drive mechanism (10) also includes a crushing drive shaft (20) rotatably mounted in the middle of the bottom surface inside the outer cylinder (1). A crushing drive column (21) located inside the crushing drive ring (17) is coaxially fixedly mounted on the outer side of the top end of the crushing drive shaft (20). A reciprocating groove (22) in a continuous arrangement is opened on the outer circumferential surface of the crushing drive column (21). A reciprocating pin (23) located inside the reciprocating groove (22) is fixedly mounted on the inner side of the crushing drive ring (17).

5. The crushing equipment for sintered white corundum according to claim 4, characterized in that, The reciprocating groove (22) includes multiple energy storage inclined grooves (221), and a release vertical groove (222) is provided between the top end of each energy storage inclined groove (221) and the bottom end of the adjacent energy storage inclined groove (221). A plurality of circumferentially evenly distributed release springs (24) are fixedly connected between the top of the crushing drive ring (17) and the bottom of the crushing mold (2), and a release spring protective cover (25) located outside the release springs (24) is fixedly installed between the top of the crushing drive ring (17) and the bottom of the crushing mold (2).

6. The crushing equipment for sintered white corundum according to claim 3, characterized in that, Each impact crushing chamber (3) has a radially arranged perforated plate (26) fixedly installed at its bottom. The perforated plate (26) has a through hole in the middle through which the impact crushing rod (19) can pass. Multiple perforated pins (27) are fixedly installed on the top surface of the perforated plate (26). The positions of the multiple perforated pins (27) correspond one-to-one with the positions of the multiple screening holes (8), and the diameter of the perforated pins (27) is smaller than the diameter of the screening holes (8).

7. The crushing equipment for sintered white corundum according to claim 4, characterized in that, A grinding mold (28) located below multiple crushing slide rails (15) is coaxially fixedly installed on the inner wall of the outer cylinder (1). A grinding cone groove (29) is provided on the top surface of the grinding mold (28). A grinding cavity (30) is vertically penetrated in the middle of the grinding mold (28). A grinding column (31) located inside the grinding cavity (30) is coaxially slidably installed on the outer side of the crushing drive shaft (20). The outer diameter of the grinding column (31) is smaller than the inner diameter of the grinding cavity (30). A conical platform (32) with a central upward protrusion is fixedly installed on the bottom surface inside the outer cylinder (1). The bottom of the grinding column (31) abuts against the top of the conical platform (32). The outer cylinder (1) has a discharge port that runs through the inner and outer walls, and the bottom of the discharge port is flush with the outer edge of the conical platform (32). A discharge hopper (33) corresponding to the position of the discharge port is fixedly installed on the outer wall of the outer cylinder (1).

8. The crushing equipment for sintered white corundum according to claim 7, characterized in that, A plurality of circumferentially evenly distributed grinding springs (34) are fixedly connected between the top surface of the grinding column (31) and the bottom surface of the crushing drive column (21). A grinding spring protective cover (35) is fixedly installed between the top surface of the grinding column (31) and the bottom surface of the crushing drive column (21). A hemisphere (36) is fixedly installed on the top surface of the conical platform (32). A plurality of circumferentially evenly distributed hemispherical grooves (37) are opened on the bottom surface of the grinding column (31). When the bottom of the grinding column (31) abuts against the top of the conical platform (32), the hemisphere (36) is inside one of the hemispherical grooves (37).

9. The crushing equipment for white corundum after sintering according to claim 8, characterized in that, The top of the conical platform (32) is coaxially fixed and rotatably mounted with a discharge ring (38) located outside the grinding column (31). The inner side of the discharge ring (38) is provided with a vertical sliding groove (39). A vertical slider (40) that slides with the vertical sliding groove (39) is fixedly mounted on the outer side of the bottom end of the grinding column (31). Multiple discharge plates (41) are fixedly mounted on the outer side of the discharge ring (38). The bottom of the multiple discharge plates (41) is in contact with the conical surface of the conical platform (32).

10. The crushing equipment for sintered white corundum according to claim 4, characterized in that, A crushing drive motor (42) is fixedly installed at the bottom of the outer cylinder (1). The output shaft of the crushing drive motor (42) is fixedly connected to the crushing drive shaft (20). A telescopic rod (43) is fixedly installed at the top of the outer cylinder (1). The output end of the telescopic rod (43) passes through the interior of the outer cylinder (1) and is fixedly connected to the top of the impact plate (5).

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