Knife rest assembly for ball mill

Abstract

The invention relates to the technical field of ball mills, in particular to a knife rest assembly for a ball mill, which comprises a ball mill body, one end of the ball mill body is provided with a feeder, the other end of the ball mill body is fixedly provided with a discharge cylinder, the lower end of the discharge cylinder is fixedly provided with an extension ring plate, and two ends of the extension ring plate are symmetrically provided with positioning insertion holes. Protruding strip blocks are further symmetrically and fixedly arranged at the two ends of the extending annular plate, connecting lock holes are formed in the protruding strip blocks, connecting lock grooves are symmetrically formed in the portions, on the two sides of the connecting lock holes, of the protruding strip blocks, a rotating shaft rod is arranged in a discharging barrel on the ball mill, and a driving inclined plate and a smashing cutter are arranged on the circumference of the rotating shaft rod. Materials entering the discharging barrel fall on a driving inclined plate, pushing force can be generated on the driving inclined plate, in this way, a rotating shaft rod can be driven to rotate, a smashing cutter is driven to rotate along with rotation of the rotating shaft rod, and the smashing cutter can smash the materials.

Description

Technical Field

[0001] The invention relates to the technical field of ball mills, in particular to a tool holder assembly for a ball mill. Background Art

[0002] The ball mill is a highly fine grinding machine widely used in industrial production. It is mainly used for crushing materials. Its working principle is to use the steel balls in the cylinder as grinding media. The cylinder is rotated to make the steel balls rise. Then, due to the action of gravity and centrifugal force, the steel balls fall, hit and grind the materials. During the operation of the ball mill, there will always be a small amount of materials that are not ground properly discharged. The existing ball mill cannot crush such materials again when discharging materials, which affects the overall grinding quality of the materials to a certain extent. In the later stage, the staff needs to spend time to screen them out and grind them again, which invisibly increases the workload of the staff. Summary of the invention

[0003] The object of the present invention is to provide a tool holder assembly for a ball mill to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A tool holder assembly for a ball mill comprises a ball mill body, a feeder is installed at one end of the ball mill body, a discharge barrel is fixedly installed at the other end, an extension ring plate is fixedly arranged at the lower end of the discharge barrel, positioning holes are symmetrically provided at both ends of the extension ring plate, and protruding strips are also symmetrically fixedly provided at both ends of the extension ring plate, connecting lock holes are provided on the protruding strips, connecting lock grooves are symmetrically provided on the protruding strips on both sides of the connecting lock holes, and a supporting carrier is fixedly provided on the upper end of the protruding strips, an elastic connecting sheet is fixedly provided on one end of the supporting carrier, and a matching socket is provided at the other end, and a convenient and detachable tool holder mechanism is installed on the discharge barrel.

[0005] Preferably, the convenient and detachable tool holder mechanism includes a screening carrier plate, a supporting ring, a rotating support block, a rotating strip plate, a rotating shaft rod and a movable carrier plate, the screening carrier plate is installed in the extension ring plate, and a mounting hole is provided on the lower end surface of the screening carrier plate, a connecting socket is provided on the top of the mounting hole, matching carrier plates are symmetrically fixed at both ends of the screening carrier plate, the matching carrier plate is located on the lower side of the extension ring plate, and a matching through hole is provided on the matching carrier plate, a positioning guide column is fixedly provided on the matching carrier plate, the positioning guide column is inserted in the positioning socket, and matching slide grooves are symmetrically provided on both sides of the matching carrier plate.

[0006] Preferably, a supporting ring is installed on the lower side of the screening carrier plate, matching carrier plates are symmetrically fixedly arranged at both ends of the supporting ring, supporting columns are fixedly arranged on the matching carrier plates, matching plug rods are fixedly arranged on the upper ends of the supporting columns, the matching plug rods are inserted in the matching through holes, and a connecting carrier block is fixedly arranged on the matching plug rods.

[0007] Preferably, a first mating connecting rod is hinged on the connecting carrier block, a movable connecting plate is hinged on the upper end of the first mating connecting rod, mating sliders are symmetrically fixedly provided on both sides of the lower end of the movable connecting plate, the mating sliders are inserted in the mating slide grooves, and a connecting lock column is fixedly provided on the movable connecting plate, connecting lock plates are symmetrically fixedly provided on the movable connecting plates on both sides of the connecting lock column, and a mounting connecting plate is fixedly provided on the upper end of the mating insertion rod.

[0008] Preferably, a rotating support block is also installed on the screening carrier plate, and a bearing is sleeved on the rotating support block, and the bearing is installed in the mounting hole, and a matching connecting column is fixedly provided on the upper end of the rotating support block, and the matching connecting column is inserted in the connecting socket, and a guide connecting block is symmetrically fixed on the matching connecting column, and the guide connecting block is located on the upper side of the screening carrier plate, and an installation inner groove is opened on the guide connecting block, and guide movable grooves are symmetrically opened on both sides of the interior of the installation inner groove.

[0009] Preferably, a supporting connecting column is fixedly provided at the lower end of the rotating support block, a limiting strip is symmetrically fixedly provided on the supporting connecting column, and a matching base plate is fixedly provided at the lower end of the supporting connecting column, a connecting through hole is opened on the matching base plate, the connecting through hole passes through the rotating support block, the matching connecting column and the supporting connecting column, and a rotating strip is sleeved on the supporting connecting column.

[0010] Preferably, rotating wheels are symmetrically installed on the lower sides of both ends of the rotating strip, the rotating wheels are in contact with the upper end surface of the supporting ring, and a movable matching hole is opened on the rotating strip, a supporting connecting column is inserted in the movable matching hole, and limiting through holes are symmetrically opened at the movable matching holes, and the limiting strip is inserted in the limiting through holes, and a supporting base frame is fixedly provided at the lower end of the rotating strip, and a connecting rod is fixedly provided on the supporting base frame, the connecting rod is inserted in the connecting through hole, and a connecting top block is fixedly provided on the upper end of the connecting rod, and the connecting top block is located on the upper side of the matching connecting column.

[0011] Preferably, a second mating connecting rod is symmetrically hinged on the connecting top block, and a movable connecting frame is hinged on the upper end of the second mating connecting rod. The movable connecting frame is inserted in the installation inner groove, and interlocking blocks are symmetrically fixed at the upper and lower ends of the movable connecting frame, and a limiting slider is also symmetrically fixed on the movable connecting frame, and the limiting slider is inserted in the guide movable groove.

[0012] Preferably, the rotating shaft is installed on the upper side of the screening carrier plate, a driving inclined plate is fixedly provided on the upper circumference of the rotating shaft, a crushing knife is fixedly provided on the lower circumference of the rotating shaft, and a mounting hole is opened at the lower end of the rotating shaft, a matching connecting column is inserted in the mounting hole, and guide inner grooves are symmetrically opened in the mounting hole, a guide connecting block is inserted in the guide inner groove, and interlocking holes are respectively opened at the upper and lower ends of the guide inner groove.

[0013] Preferably, the movable bearing plate is fixed on the elastic connecting plate, and an inclined support block is fixedly provided at one end of the movable bearing plate, and a supporting bearing rod is opened at the other end. The supporting bearing rod is inserted into the matching socket, and an operating strip is fixedly provided on the supporting bearing rod. A limited contact block is also fixedly provided on the movable bearing plate.

[0014] Compared with the prior art, the invention has the following advantages: 1. A rotating shaft is arranged in the discharge barrel of the ball mill, and a driving inclined plate and a crushing knife are arranged on the circumference of the rotating shaft. When discharging, the material entering the discharge barrel falls on the driving inclined plate, which will generate a driving force on the driving inclined plate, thereby driving the rotating shaft to rotate. As the rotating shaft rotates, the crushing knife will also be driven to rotate. The crushing knife can crush the material, so that the material that cannot pass through the screening carrier will be crushed again under the action of the crushing knife until it can screen the carrier.

[0015] 2. The screening carrier is easy to install and disassemble, and the screening carrier and the rotating shaft are easy to inspect and repair. When installing the screening carrier and the rotating shaft, the rotating shaft is sleeved on the matching connecting column, and then the screening carrier is positioned through the cooperation of the positioning socket and the positioning guide column. The screening carrier can be fixed by pushing the supporting ring upward, that is, as the supporting ring moves upward, it will drive the connecting lock column to be inserted into the connecting lock hole, and the connecting lock plate to be inserted into the connecting lock groove to realize the first layer of fixing of the screening carrier. At the same time, under the action of the installation connecting plate, the inclined support block will be pushed to move until it passes over the inclined support block and overlaps on the inclined support block to realize the second layer of fixing of the screening carrier, which fully ensures the firmness of the installation of the screening carrier.

[0016] 3. In addition, when the support ring moves upward, it will also drive the rotating strip to move. As the rotating strip moves upward, it will push the movable connection frame to move under the action of the second matching connecting rod, so that the interlocking block on the movable connection frame is inserted into the interlocking socket, thereby realizing the fixed connection between the screening carrier and the rotating support block, thereby ensuring the smooth operation of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the first perspective of the ball mill body assembly.

[0018] Figure 2 A schematic diagram of the second perspective of the ball mill body assembly.

[0019] Figure 3 for Figure 2 A magnified schematic diagram of center A.

[0020] Figure 4 It is a schematic diagram of the structure of the ball mill body.

[0021] Figure 5 for Figure 4 A magnified schematic diagram of point B in the middle.

[0022] Figure 6 Schematic diagram of the assembly of the screening carrier plate.

[0023] Figure 7 for Figure 6 Enlarged schematic diagram of point C in the middle.

[0024] Figure 8 A schematic diagram showing the assembly of the screening carrier plate and the supporting ring from a first perspective.

[0025] Fig. 9 for Figure 8 Enlarged schematic diagram of point D in the middle.

[0026] Fig.10 A schematic diagram from a second perspective of the assembly of the screening carrier plate and the supporting ring.

[0027] Fig.11 It is a schematic diagram of the structure of the rotating strip.

[0028] Fig.12 It is a schematic diagram of the structure of the rotating shaft.

[0029] Fig.13 for Fig.11 Enlarged schematic diagram of point E in the middle.

[0030] In the figure: 1. ball mill body; 11. feeder; 12. discharge barrel; 13. extension ring plate; 14. positioning socket; 15. protruding strip; 16. connection lock hole; 17. connection lock groove; 18. support carrier; 181. elastic connecting piece; 182. matching socket; 2. screening carrier; 21. installation bearing hole; 22. connection socket; 23. matching carrier; 24. matching through hole; 25. positioning guide column; 26. matching slide groove; 3. support ring; 31. matching carrier; 32. support column; 33. matching plug rod; 34. connection carrier; 35. first matching connecting rod; 36. movable connecting plate; 361. matching slider; 37. connection lock column; 38. connection lock plate; 39. installation connecting plate; 4. rotating support block; 41 , bearing; 42, matching connecting column; 43, guiding connecting block; 44, installing inner groove; 45, guiding movable groove; 46, supporting connecting column; 47, limiting strip plate; 48, matching bottom plate; 49, connecting through hole; 5, rotating strip plate; 51, rotating wheel; 52, movable matching hole; 53, limiting through hole; 54, supporting bottom frame; 55, connecting plug rod; 56, connecting top block; 561, second matching connecting rod; 57, movable connecting frame; 58, interlocking plug block; 59, limiting sliding block; 6, rotating shaft rod; 61, driving inclined plate; 62, crushing knife; 63, installing connecting hole; 64, guiding inner groove; 65, interlocking plug hole; 7, movable bearing plate; 71, inclined support block; 72, supporting bearing rod; 721, operating strip; 73, limiting contact block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 13 , the present invention provides a technical solution: A tool holder assembly for a ball mill comprises a ball mill body 1, a feeder 11 is installed at one end of the ball mill body 1, a discharge barrel 12 is fixedly installed at the other end, an extension ring plate 13 is fixedly installed at the lower end of the discharge barrel 12, positioning holes 14 are symmetrically provided at both ends of the extension ring plate 13, and protruding strips 15 are also symmetrically fixedly provided at both ends of the extension ring plate 13, connecting lock holes 16 are provided on the protruding strips 15, connecting lock grooves 17 are symmetrically provided on the protruding strips 15 on both sides of the connecting lock holes 16, and a supporting plate 18 is fixedly provided at the upper end of the protruding strips 15, an elastic connecting piece 181 is fixedly provided at one end of the supporting plate 18, and a matching hole 182 is provided at the other end, and a convenient and detachable tool holder mechanism is installed on the discharge barrel 12.

[0033] The convenient and detachable tool holder mechanism includes a screening carrier plate 2, a supporting ring 3, a rotating support block 4, a rotating strip plate 5, a rotating shaft 6 and a movable carrier plate 7. The screening carrier plate 2 is installed in the extended ring plate 13, and a mounting hole 21 is provided on the lower end surface of the screening carrier plate 2, and a connecting socket 22 is provided at the top of the mounting hole 21. Matching carrier plates 23 are symmetrically fixedly arranged at both ends of the screening carrier plate 2. The matching carrier plate 23 is located on the lower side of the extended ring plate 13, and a matching through hole 24 is provided on the matching carrier plate 23. A positioning guide column 25 is fixedly arranged on the matching carrier plate 23, and the positioning guide column 25 is inserted in the positioning socket 14, and matching slide grooves 26 are symmetrically provided on both sides of the matching carrier plate 23.

[0034] A supporting ring 3 is installed on the lower side of the screening carrier plate 2, and matching carrier plates 31 are symmetrically fixedly arranged at both ends of the supporting ring 3. Support columns 32 are fixedly arranged on the matching carrier plates 31, and matching plug rods 33 are fixedly arranged on the upper ends of the supporting columns 32. The matching plug rods 33 are inserted in the matching through holes 24, and a connecting carrier block 34 is fixedly arranged on the matching plug rods 33.

[0035] A first mating connecting rod 35 is hinged on the connecting carrier block 34, and a movable connecting plate 36 is hinged on the upper end of the first mating connecting rod 35. Mating sliders 361 are symmetrically fixedly arranged on both sides of the lower end of the movable connecting plate 36. The mating sliders 361 are inserted in the mating slide groove 26, and a connecting lock column 37 is fixedly arranged on the movable connecting plate 36. Connecting lock plates 38 are symmetrically fixedly arranged on the movable connecting plates 36 on both sides of the connecting lock column 37. An installation connecting plate 39 is fixedly arranged on the upper end of the mating insertion rod 33. In addition, the connecting lock column 37 is inserted into the connecting lock hole 16 when it plays a fixing role on the screening carrier 2, and the connecting lock plate 38 is inserted into the connecting lock groove 17 when it plays a fixing role on the screening carrier 2. At this time, the upper end surface of the supporting column 32 is in contact with the lower end surface of the mating carrier plate 23.

[0036] A rotating support block 4 is also installed on the screening carrier plate 2. A bearing 41 is sleeved on the rotating support block 4. The bearing 41 is installed in the mounting hole 21, and a matching connecting column 42 is fixedly provided on the upper end of the rotating support block 4. The matching connecting column 42 is inserted into the connecting socket 22, and a guide connecting block 43 is symmetrically fixedly provided on the matching connecting column 42. The guide connecting block 43 is located on the upper side of the screening carrier plate 2, and an installation inner groove 44 is opened on the guide connecting block 43, and guide movable grooves 45 are symmetrically opened on both sides of the inner side of the installation inner groove 44.

[0037] A supporting connecting column 46 is fixedly provided at the lower end of the rotating support block 4, and a limiting strip 47 is symmetrically fixedly provided on the supporting connecting column 46, and a matching bottom plate 48 is fixedly provided at the lower end of the supporting connecting column 46, and a connecting through hole 49 is opened on the matching bottom plate 48. The connecting through hole 49 passes through the rotating support block 4, the matching connecting column 42 and the supporting connecting column 46, and a rotating strip 5 is sleeved on the supporting connecting column 46.

[0038] Rotating wheels 51 are symmetrically installed on the lower sides of both ends of the rotating strip 5, and the rotating wheels 51 are in contact with the upper end surface of the supporting ring 3, and a movable matching hole 52 is opened on the rotating strip 5, and a supporting connecting column 46 is inserted in the movable matching hole 52, and a limiting through hole 53 is symmetrically opened at the movable matching hole 52, and a limiting strip 47 is inserted in the limiting through hole 53, and a supporting base frame 54 is fixedly provided at the lower end of the rotating strip 5, and a connecting rod 55 is fixedly provided on the supporting base frame 54, and the connecting rod 55 is inserted in the connecting through hole 49, and a connecting top block 56 is fixedly provided on the upper end of the connecting rod 55, and the connecting top block 56 is located on the upper side of the matching connecting column 42.

[0039] A second mating connecting rod 561 is symmetrically hinged on the connecting top block 56, and a movable connecting frame 57 is hinged on the upper end of the second mating connecting rod 561. The movable connecting frame 57 is inserted in the mounting inner groove 44, and interlocking blocks 58 are symmetrically fixed at the upper and lower ends of the movable connecting frame 57. A limit slider 59 is also symmetrically fixed on the movable connecting frame 57, and the limit slider 59 is inserted in the guide movable groove 45.

[0040] The rotating shaft 6 is installed on the upper side of the screening carrier plate 2, and a driving inclined plate 61 is fixedly provided on the upper circumference of the rotating shaft 6, and a crushing knife 62 is fixedly provided on the lower circumference of the rotating shaft 6, and a mounting hole 63 is opened at the lower end of the rotating shaft 6, a matching connecting column 42 is inserted in the mounting hole 63, and a guide inner groove 64 is symmetrically opened in the mounting hole 63, a guide connecting block 43 is inserted in the guide inner groove 64, and interlocking holes 65 are respectively opened at the upper and lower ends of the guide inner groove 64, and the interlocking blocks 58 are inserted in the interlocking holes 65 to realize the fixed connection between the rotating support block 4 and the rotating shaft 6.

[0041] The movable bearing plate 7 is fixed on the elastic connecting piece 181, and an inclined support block 71 is fixedly provided at one end of the movable bearing plate 7, and a supporting rod 72 is provided at the other end. The supporting rod 72 is inserted into the matching socket 182, and an operating strip 721 is fixedly provided on the supporting rod 72. A limited contact block 73 is also fixedly provided on the movable bearing plate 7. When the connecting plate 39 is installed to fix the screening carrier plate 2, it is overlapped on the inclined support block 71.

[0042] When installing the screening carrier plate 2, the rotating shaft 6 is sleeved on the matching connecting column 42, and then the screening carrier plate 2 is inserted into the extension ring plate 13, and the positioning guide column 25 is inserted into the positioning socket 14 at the same time, and then the screening carrier plate 2 is supported, and the supporting ring 3 is pushed upward. As the supporting ring 3 moves upward, the movable connecting plate 36 is pushed to move in the direction of the extension ring plate 13 under the action of the first matching connecting rod 35, so that the connecting lock column 37 is inserted into the connecting lock hole 16, and the connecting lock plate 38 is inserted into the connecting lock groove 17, so as to realize the first layer fixation of the screening carrier plate 2, and as the supporting ring 3 moves upward, it will also drive the installation connecting plate 3 9 moves upward, and the installation connecting plate 39 will contact the inclined support block 71 during the upward movement, so that the installation connecting plate 39 will push the inclined support block 71 to move, so that the elastic connecting piece 181 is in a compressed state, until the installation connecting plate 39 passes over the inclined support block 71, at which time the support column 32 contacts the lower end surface of the matching carrier plate 23, and the inclined support block 71 is reset and supported under the installation connecting plate 39 under the action of the elastic connecting piece 181, so as to realize the second layer fixation of the screening carrier plate 2, and fully ensure the firmness of the installation of the screening carrier plate 2. In addition, when the support ring 3 moves upward, it will also drive the rotating strip plate 5 to move upward As the rotating strip 5 moves upward, the movable connection frame 57 is pushed to move under the action of the second matching link 561, so that the interlocking plug 58 on the movable connection frame 57 is plugged into the interlocking plug hole 65, so as to realize the fixed connection between the rotating shaft rod 6 and the rotating support block 4, and ensure the stable operation of the rotating shaft rod 6, that is, when the material enters the discharge barrel 12, it will fall onto the driving inclined plate 61, which will generate a force on the driving inclined plate 61, thereby driving the rotating shaft rod 6 to rotate. As the rotating shaft rod 6 rotates, the material that cannot pass through the screening carrier plate 2 can be crushed under the action of the crushing knife 62 until it can The screening carrier 2 is used to further crush the material and ensure the crushing quality. When the screening carrier 2 needs to be disassembled, the two operating strips 721 are pulled toward each other at the same time so that the inclined support block 71 no longer supports the mounting connecting plate 39, thereby unlocking the screening carrier 2 and allowing it to be quickly removed. The set limit contact block 73 can limit the movable carrier plate 7, that is, when the limit contact block 73 contacts the supporting carrier 18, the movable carrier plate 7 will no longer move, thereby protecting the elastic connecting piece 181 and preventing it from being damaged due to excessive deformation caused by excessive movement of the movable carrier plate 7.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool holder assembly for a ball mill, comprising a ball mill body (1), characterized in that: A feeder (11) is installed at one end of the ball mill body (1), and a discharge barrel (12) is fixedly installed at the other end. An extension ring plate (13) is fixedly installed at the lower end of the discharge barrel (12). Positioning sockets (14) are symmetrically provided at both ends of the extension ring plate (13), and protruding strips (15) are symmetrically fixedly provided at both ends of the extension ring plate (13). A connecting lock hole (16) is provided on the protruding strip block (15), and connecting lock grooves (17) are symmetrically provided on the protruding strip blocks (15) on both sides of the connecting lock hole (16), and a supporting carrier plate (18) is fixedly provided at the upper end of the protruding strip block (15). An elastic connecting sheet (181) is fixedly provided at one end of the support carrier plate (18), and a matching socket (182) is provided at the other end. A convenient and detachable tool holder mechanism is installed on the discharge barrel (12).

2. The tool holder assembly for a ball mill according to claim 1, characterized in that: The conveniently mounted and detachable tool holder mechanism comprises a screening carrier plate (2), a supporting ring (3), a rotating supporting block (4), a rotating strip plate (5), a rotating shaft rod (6) and a movable carrier plate (7); the screening carrier plate (2) is mounted in the extended ring plate (13), and a mounting hole (21) is provided on the lower end surface of the screening carrier plate (2); a connecting socket (22) is provided at the top of the mounting hole (21); matching carrier plates (23) are symmetrically fixedly arranged at both ends of the screening carrier plate (2); the matching carrier plate (23) is located at the lower side of the extended ring plate (13), and a matching through hole (24) is provided on the matching carrier plate (23); a positioning guide column (25) is fixedly arranged on the matching carrier plate (23); the positioning guide column (25) is plugged into the positioning socket (14), and matching slide grooves (26) are symmetrically provided on both sides of the matching carrier plate (23).

3. The tool holder assembly for a ball mill according to claim 2, characterized in that: A supporting ring (3) is installed on the lower side of the screening carrier plate (2), matching carrier plates (31) are symmetrically fixedly arranged at both ends of the supporting ring (3), supporting columns (32) are fixedly arranged on the matching carrier plates (31), matching plug rods (33) are fixedly arranged on the upper ends of the supporting columns (32), the matching plug rods (33) are inserted into the matching through holes (24), and a connecting carrier block (34) is fixedly arranged on the matching plug rods (33).

4. The tool holder assembly for a ball mill according to claim 3, characterized in that: A first mating connecting rod (35) is hinged on the connecting carrier block (34), a movable connecting plate (36) is hinged on the upper end of the first mating connecting rod (35), mating sliders (361) are symmetrically fixedly arranged on both sides of the lower end of the movable connecting plate (36), the mating sliders (361) are inserted into the mating sliding groove (26), and a connecting lock column (37) is fixedly arranged on the movable connecting plate (36), and connecting lock plates (38) are symmetrically fixedly arranged on the movable connecting plates (36) on both sides of the connecting lock column (37), and a mounting connecting plate (39) is fixedly arranged on the upper end of the mating insertion rod (33).

5. The tool holder assembly for a ball mill according to claim 4, characterized in that: A rotating support block (4) is also mounted on the screening carrier plate (2), a bearing (41) is sleeved on the rotating support block (4), the bearing (41) is mounted in the mounting hole (21), and a matching connecting column (42) is fixedly arranged on the upper end of the rotating support block (4), the matching connecting column (42) is plugged into the connecting socket (22), and a guide connecting block (43) is symmetrically fixedly arranged on the matching connecting column (42), the guide connecting block (43) is located on the upper side of the screening carrier plate (2), and a mounting inner groove (44) is formed on the guide connecting block (43), and guide movement grooves (45) are symmetrically formed on both sides of the mounting inner groove (44).

6. The tool holder assembly for a ball mill according to claim 5, characterized in that: A supporting connecting column (46) is fixedly provided at the lower end of the rotating support block (4), a limiting strip plate (47) is symmetrically fixedly provided on the supporting connecting column (46), and a matching bottom plate (48) is fixedly provided at the lower end of the supporting connecting column (46), a connecting through hole (49) is provided on the matching bottom plate (48), the connecting through hole (49) passes through the rotating support block (4), the matching connecting column (42) and the supporting connecting column (46), and a rotating strip plate (5) is sleeved on the supporting connecting column (46).

7. The tool holder assembly for a ball mill according to claim 6, characterized in that: Rotating wheels (51) are symmetrically mounted on the lower sides of both ends of the rotating strip plate (5), the rotating wheels (51) are in contact with the upper end surface of the supporting ring (3), and a movable matching hole (52) is provided on the rotating strip plate (5), a supporting connecting column (46) is inserted into the movable matching hole (52), and a limiting through hole (53) is symmetrically provided at the movable matching hole (52), and a limiting strip plate (47) is inserted into the limiting through hole (53), and a supporting base frame (54) is fixedly provided at the lower end of the rotating strip plate (5), and a connecting rod (55) is fixedly provided on the supporting base frame (54), and the connecting rod (55) is inserted into the connecting through hole (49), and a connecting top block (56) is fixedly provided at the upper end of the connecting rod (55), and the connecting top block (56) is located on the upper side of the matching connecting column (42).

8. The tool holder assembly for a ball mill according to claim 7, characterized in that: A second matching connecting rod (561) is symmetrically hinged on the connecting top block (56), and a movable connecting frame (57) is hinged on the upper end of the second matching connecting rod (561). The movable connecting frame (57) is inserted into the mounting inner groove (44), and interlocking plug blocks (58) are symmetrically fixedly arranged at the upper and lower ends of the movable connecting frame (57). A limit slider (59) is also symmetrically fixedly arranged on the movable connecting frame (57), and the limit slider (59) is inserted into the guide movable groove (45).

9. The tool holder assembly for a ball mill according to claim 8, characterized in that: The rotating shaft (6) is mounted on the upper side of the screening carrier plate (2); a driving inclined plate (61) is fixedly arranged on the upper circumference of the rotating shaft (6); a crushing knife (62) is fixedly arranged on the lower circumference of the rotating shaft (6); a mounting hole (63) is provided at the lower end of the rotating shaft (6); a matching connecting column (42) is inserted into the mounting hole (63); guide inner grooves (64) are symmetrically provided in the mounting hole (63); a guide connecting block (43) is inserted into the guide inner groove (64); and interlocking holes (65) are respectively provided at the upper and lower ends of the guide inner groove (64).

10. The tool holder assembly for a ball mill according to claim 9, characterized in that: The movable bearing plate (7) is fixed on the elastic connecting piece (181), and an inclined support block (71) is fixedly provided at one end of the movable bearing plate (7), and a supporting rod (72) is provided at the other end, the supporting rod (72) is inserted into the matching socket (182), and an operating strip (721) is fixedly provided on the supporting rod (72), and a limited contact block (73) is also fixedly provided on the movable bearing plate (7).

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