阅读说明：本技术 一种木材废料粉碎研磨机 (Wood waste crushing and grinding machine ) 是由 陈剑利 于 2019-11-10 设计创作，主要内容包括：本发明公开了一种木材废料粉碎研磨机,包括机体,机体一端设有入料口,机体另一端设有出料口,机体一侧设有下料口,机体底端设有若干均匀分布的支腿,其特征在于：机体一端设有运输机构,运输机构另一侧设有间歇旋转的传动机构,传动机构一端设有分筛机构,分筛机构另一端设于运输机构一侧,机体另一端设有粉碎机构,粉碎机构一侧设有研磨机构,研磨机构设于出料口一侧,本发明的有益效果：本发明对待加工的木材废料进行筛选,将螺钉等容易掺杂在木材废料里的金属材料分离开来,保护本发明用于粉碎的零件,提高本发明的使用寿命。(The invention discloses a wood waste crushing and grinding machine, which comprises a machine body, wherein one end of the machine body is provided with a feeding hole, the other end of the machine body is provided with a discharging hole, one side of the machine body is provided with a discharging hole, and the bottom end of the machine body is provided with a plurality of uniformly distributed supporting legs, and the wood waste crushing and grinding machine is characterized in that: one end of the machine body is provided with a conveying mechanism, the other side of the conveying mechanism is provided with a transmission mechanism which rotates intermittently, one end of the transmission mechanism is provided with a screening mechanism, the other end of the screening mechanism is arranged on one side of the conveying mechanism, the other end of the machine body is provided with a crushing mechanism, one side of the crushing mechanism is provided with a grinding mechanism, and the grinding mechanism is arranged on one side of the discharge port: the invention screens the wood waste to be processed, separates the metal materials such as screws and the like which are easy to be doped in the wood waste, protects the parts used for crushing, and prolongs the service life of the invention.)

1. The utility model provides a wood waste smashes and grinds machine, includes organism (1), organism (1) one end is equipped with pan feeding mouth (2), the organism (1) other end is equipped with discharge gate (4), organism (1) one side is equipped with feed opening (3), organism (1) bottom is equipped with a plurality of evenly distributed's landing leg (5), its characterized in that: organism (1) one end is equipped with transport mechanism (10), transport mechanism (10) opposite side is equipped with intermittent rotation's drive mechanism (30), drive mechanism (30) one end is equipped with divides sieve mechanism (40), divide sieve mechanism (40) other end to locate transport mechanism (10) one side, organism (1) other end is equipped with rubbing crusher constructs (50), rubbing crusher constructs (50) one side and is equipped with grinding mechanism (70), grinding mechanism (70) are located discharge gate (4) one side.

2. The wood waste crushing mill according to claim 1, wherein: the transportation mechanism (10) comprises a first motor (11), the first motor (11) is arranged at one end of the machine body (1), one end of the first motor (11) is provided with a first driving shaft (12), the other end of the first driving shaft (12) is provided with a first belt wheel (13), a first transmission belt (14) is sleeved at the outer end of the first belt wheel (13), a second belt wheel (15) is arranged at the other end of the first transmission belt (14), a first rotating shaft (16) is connected in the second belt wheel (15), the other end of the first rotating shaft (16) extends into the machine body (1) and is provided with a first rotating wheel (17), a conveyor belt (18) is sleeved at the outer end of the first rotating wheel (17), a second rotating wheel (19) is arranged at the other end of the conveyor belt (18), the second rotating wheel (19) is arranged at the feeding port (2), and a second rotating shaft (20) is connected in the second rotating wheel (19).

3. The wood waste crushing mill according to claim 2, wherein: the transmission mechanism (30) comprises a third belt wheel (31), the third belt wheel (31) is arranged on one side of the first belt wheel (13), a second transmission belt (32) is sleeved on the outer end of the third belt wheel (31), the other end of the second transmission belt (32) is sleeved on the other end of the first belt wheel (13), a first transmission shaft (33) is connected into the third belt wheel (31), a rotary disc (34) is arranged on the other end of the first transmission shaft (33), gear teeth (35) are arranged at one end of the rotary disc (34), a first bevel gear (36) is arranged on one side of the rotary disc (34), when the rotary disc (34) rotates 0-90 degrees selectively, the gear teeth (35) are meshed with the first bevel gear (36), and a second transmission shaft (37) is connected into the first bevel gear (36).

4. The wood waste crushing mill according to claim 3, wherein: divide sieve mechanism (40) to include first connecting rod (41), first connecting rod (41) are located second transmission shaft (37) other end, first connecting rod (41) one side is equipped with second connecting rod (42), second connecting rod (42) one end with be equipped with spacer pin (43) between first connecting rod (41) outer end, conveyer belt (18) one side is equipped with support (44), support (44) one end is equipped with branch (45), second connecting rod (42) other end is located on branch (45), support (44) one side is equipped with electro-magnet (6), organism (1) both sides respectively are equipped with spout (48), support (44) both ends respectively are equipped with slider (47) and locate in spout (48).

5. The wood waste crushing mill according to claim 1, wherein: the crushing mechanism (50) comprises a second motor (51), the second motor (51) is arranged on the other side of the machine body (1), one end of the second motor (51) is provided with a second power shaft (52), the other end of the second power shaft (52) is provided with a fourth belt wheel (53), the outer end of the fourth belt wheel (53) is sleeved with a third transmission belt (54), the other end of the third transmission belt (54) is provided with a fifth belt wheel (55), a third rotating shaft (56) is connected in the fifth belt wheel (55), the other end of the third rotating shaft (56) extends into the machine body (1) and is provided with a first crushing roller (57), the outer end of the first crushing roller (57) is provided with a plurality of first convex blocks (58) which are uniformly distributed, a first gear (59) is arranged in the middle of the third rotating shaft (56), one side of the first gear (59) is provided with a second gear (60) and is meshed with the second convex blocks (, second gear (60) in-connection has fourth rotation axis (61), fourth rotation axis (61) other end extends to in organism (1) and be equipped with second crushing roller (62), second crushing roller (62) outer end is equipped with a plurality of evenly distributed's second lug (63).

6. The wood waste crushing mill according to claim 5, wherein: the grinding mechanism (70) comprises a sixth belt wheel (71), the sixth belt wheel (71) is arranged on one side of the fourth belt wheel (53), a fourth transmission belt (72) is sleeved at the outer end of the sixth belt wheel (71), the other end of the fourth transmission belt (72) is sleeved at the other end of the fourth belt wheel (53), a third transmission shaft (73) is connected in the sixth belt wheel (71), a second bevel gear (74) is arranged at the other end of the third transmission shaft (73), a third bevel gear (75) is arranged on one side of the second bevel gear (74) and is meshed with the third bevel gear, a fourth transmission shaft (76) is connected in the third bevel gear (75), a grinding cavity (7) is arranged in the machine body (1), the grinding cavity (7) is arranged on one side of the first crushing roller (57), the other end of the fourth transmission shaft (76) extends into the grinding cavity (7) and is provided with a grinding wheel (77), the grinding wheel (77) outer wall is equipped with a plurality of evenly distributed's recess (78), grind chamber (7) inner wall be equipped with the abrasive brick (8) of recess (78) looks adaptation and locate in recess (78), grinding wheel (77) outer end is equipped with a plurality of evenly distributed's opening (79).

Technical Field

The invention belongs to the field of wood processing, relates to a wood smashing device, and particularly relates to a wood waste smashing and grinding machine.

Background

The wood pulverizer drives a pulverizer rotor to rotate at a high speed by a motor, so that high-speed airflow generated by a machine generates high-strength impact force, compression force and cutting force on pulverized materials, and a unique pulverizing function is achieved, but the problem of low working efficiency exists. For this reason, long-term research has been conducted, and various solutions have been proposed.

For example, chinese patent literature discloses a wood waste recovery apparatus [ application No.: 201810664256.0], including first crushing case, the top intercommunication of first crushing case has the inlet pipe, the rear side fixedly connected with motor of first crushing case, the output shaft of motor runs through to the inner chamber of first crushing case and the first rotary disk of fixedly connected with, the positive fixed surface of first rotary disk is connected with the dead lever, the quantity of dead lever is three, one side fixedly connected with cutting block of dead lever. According to the wood waste recovery device, the motor, the first rotating disc, the fixed rod, the cutting block, the second rotating disc, the rotating rod, the first belt pulley, the first rotating rod, the second rotating rod, the crushing wheel, the first gear and the second gear are matched for use, so that the problem that the existing wood waste recovery device is poor in crushing effect is solved, the wood waste recovery device has the advantage of high crushing efficiency, the use by a user is facilitated, the practicability of the waste recovery device is improved, and the wood waste recovery device is worthy of popularization.

Above-mentioned scheme is direct smashes wood waste, does not pass through screening, and the metal material that wood fixation usefulness such as screw appears easily falls into for the loss speed of equipment has increased the probability of equipment damage.

Disclosure of Invention

The present invention is directed to the above-mentioned problems, and an object of the present invention is to provide a wood waste grinding machine, which screens wood waste to be processed, separates metal materials such as screws, which are easily mixed in the wood waste, protects parts for grinding according to the present invention, and prolongs a service life of the present invention.

In order to achieve the purpose, the invention adopts the following technical scheme: this machine is ground in wood waste crushing mill includes the organism, organism one end is equipped with the pan feeding mouth, the organism other end is equipped with the discharge gate, organism one side is equipped with the feed opening, the organism bottom is equipped with a plurality of evenly distributed's landing leg, its characterized in that: organism one end is equipped with transport mechanism, the transport mechanism opposite side is equipped with intermittent type rotation's drive mechanism, drive mechanism one end is equipped with divides sieve mechanism, divide the sieve mechanism other end to locate transport mechanism one side, the organism other end is equipped with rubbing crusher constructs, rubbing crusher constructs one side and is equipped with grinding mechanism, grinding mechanism locates discharge gate one side.

The screening mechanism is creatively designed, so that the wood waste to be crushed can be screened, metal materials such as screws mixed in the wood waste are adsorbed by the magnetic force of the electromagnet, and the metal materials are removed out of the machine body at intervals, so that the electromagnet can be guaranteed to work effectively for a long time, and the practicability of the screening mechanism is improved.

In foretell wood waste smashes and grinds machine, transport mechanism includes first motor, first motor is located organism one end, first motor one end is equipped with first driving shaft, the first driving shaft other end is equipped with first band pulley, first band pulley outer end cover is equipped with first driving belt, the first driving belt other end is equipped with the second band pulley, second band pulley in-connection has first rotation axis, the first rotation axis other end extends to be equipped with first runner in the organism, first runner outer end cover is equipped with the conveyer belt, the conveyer belt other end is equipped with the second runner, the second runner is located pan feeding mouth department, second runner in-connection has the second rotation axis.

In the wood waste crushing and grinding machine, the transmission mechanism includes a third belt wheel, the third belt wheel is arranged on one side of the first belt wheel, a second transmission belt is sleeved at the outer end of the third belt wheel, the other end of the second transmission belt is sleeved at the other end of the first belt wheel, a first transmission shaft is connected in the third belt wheel, a rotary disc is arranged at the other end of the first transmission shaft, gear teeth are arranged at one end of the rotary disc, a first bevel gear is arranged on one side of the rotary disc, when the rotary disc rotates by 0-90 degrees selectively, the gear teeth are meshed with the first bevel gear, and a second transmission shaft is connected in the first bevel gear.

In foretell wood waste smashes and grinds machine, divide sieve mechanism to include first connecting rod, first connecting rod is located the second transmission shaft other end, first connecting rod one side is equipped with the second connecting rod, second connecting rod one end with be equipped with the spacer pin between the first connecting rod outer end, conveyer belt one side is equipped with the support, support one end is equipped with branch, the second connecting rod other end is located on the branch, support one side is equipped with the electro-magnet, the organism both sides respectively are equipped with the spout, the support both ends respectively are equipped with the slider and locate in the spout.

In the above wood waste crushing mill, the crushing mechanism includes a second motor provided at the other side of the machine body, one end of the second motor is provided with a second power shaft, the other end of the second power shaft is provided with a fourth belt wheel, a third transmission belt is sleeved at the outer end of the fourth belt wheel, a fifth belt wheel is arranged at the other end of the third transmission belt, a third rotating shaft is connected in the fifth belt pulley, the other end of the third rotating shaft extends into the machine body and is provided with a first crushing roller, a plurality of first lugs which are uniformly distributed are arranged at the outer end of the first crushing roller, a first gear is arranged in the middle of the third rotating shaft, a second gear is arranged on one side of the first gear and is meshed with the first gear, a fourth rotating shaft is connected in the second gear, the other end of the fourth rotating shaft extends into the machine body and is provided with a second crushing roller, and the outer end of the second crushing roller is provided with a plurality of second lugs which are uniformly distributed.

In the above wood waste crushing and grinding machine, the grinding mechanism includes a sixth belt pulley, the sixth belt pulley is disposed on one side of the fourth belt pulley, a fourth transmission belt is sleeved on the outer end of the sixth belt pulley, the other end of the fourth transmission belt is sleeved on the other end of the fourth belt pulley, a third transmission shaft is connected in the sixth belt pulley, the other end of the third transmission shaft is provided with a second bevel gear, one side of the second bevel gear is provided with a third bevel gear and is engaged with the third bevel gear, the third bevel gear is connected in a fourth transmission shaft, a grinding cavity is disposed in the machine body and is disposed on one side of the first crushing roller, the other end of the fourth transmission shaft extends into the grinding cavity and is provided with a grinding wheel, the outer wall of the grinding wheel is provided with a plurality of uniformly distributed grooves, the inner wall of the grinding cavity is provided with grinding blocks matched with the grooves and, the outer end of the grinding wheel is provided with a plurality of openings which are uniformly distributed.

Compared with the prior art, the invention has the advantages that:

1. the screening mechanism can screen the wood waste to be crushed, and adsorbs metal materials such as screws mixed in the wood waste through the magnetic force of the electromagnet, so that all parts used for crushing are protected, the failure probability of the screening mechanism is reduced, the reliability of the screening mechanism is improved, the screening mechanism is removed from a machine body at intervals, the electromagnet can be guaranteed to work effectively for a long time, adsorbed impurities can be removed without stopping the conveying mechanism, and the working efficiency is improved.

2. The transmission mechanism can provide intermittent power for the screening mechanism, so that the movement interval of the screening mechanism is more accurate, the structure is simple and compact, errors and damage are not easy to occur, the practicability of the screening mechanism is improved, and the influence on waste screening when adsorbed sundries are removed can be reduced by the intermittent movement of the screening mechanism.

3. The crushing mechanism disclosed by the invention is simple and compact in structure, is not easy to damage, can stably and effectively crush harder wood or larger-volume wood, and improves the service life and the working efficiency of the crushing mechanism.

4. The grinding mechanism can grind the wood waste chips after primary grinding, can obtain wood powder with uniform size and clear particles, improves the grinding quality of the grinding mechanism, is beneficial to subsequent processing of the wood powder, and improves the practicability of the grinding mechanism.

Drawings

Fig. 1 is a front view of a wood waste pulverizing mill provided by the present invention.

Fig. 2 is a rear view of the wood waste crushing mill provided by the present invention.

Fig. 3 is a half sectional view of the wood waste pulverizing mill provided by the present invention.

Fig. 4 is a partial sectional view of a section of a wood waste pulverizing mill a provided in the present invention.

Fig. 5 is a partial sectional view of a section of a wood waste pulverizing mill B provided in the present invention.

In the figure, 1, a machine body; 2. a feeding port; 3. a feeding port; 4. a discharge port; 5. a support leg; 6. an electromagnet; 7. a grinding chamber; 8. grinding blocks; 10. a transport mechanism; 11. a first motor; 12. a first drive shaft; 13. a first pulley; 14. a first drive belt; 15. a second pulley; 16. a first rotating shaft; 17. a first runner; 18. a conveyor belt; 19. a second runner; 20. a second rotation shaft; 30. a transmission mechanism; 31. a third belt pulley; 32. a second belt; 33. a first drive shaft; 34. a turntable; 35. gear teeth; 36. a first bevel gear; 37. a second drive shaft; 40. a screening mechanism; 41. a first link; 42. a second link; 43. a spacing pin; 44. a support; 45. a strut; 47. a slider; 48. a chute; 50. a crushing mechanism; 51. a second motor; 52. a second power shaft; 53. a fourth pulley; 54. a third belt; 55. a fifth belt pulley; 56. a third rotation axis; 57. a first crushing roller; 58. a first bump; 59. a first gear; 60. a second gear; 61. a fourth rotation axis; 62. a second crushing roller; 63. a second bump; 70. a grinding mechanism; 71. a sixth pulley; 72. a fourth belt; 73. a third drive shaft; 74. a second bevel gear; 75. a third bevel gear; 76. a fourth drive shaft; 77. a grinding wheel; 78. a groove; 79. and (4) opening.

Detailed Description

As shown in fig. 1 and 2, the wood waste crushing and grinding machine of the invention comprises a machine body 1, a feeding port 2 is arranged at the left end of the machine body 1, a discharging port 4 is arranged at the right end of the machine body 1, a discharging port 3 is arranged at the left side of the machine body 1, four supporting legs 5 which are uniformly distributed are arranged at the bottom end of the machine body 1, a conveying mechanism 10 is arranged at the left end of the machine body 1, a transmission mechanism 30 which rotates intermittently is arranged at the right side of the conveying mechanism 10, a screening mechanism 40 is arranged at the lower end of the transmission mechanism 30, the left end of the screening mechanism 40 is arranged at the upper side of the conveying mechanism 10, a crushing mechanism 50 is arranged at the lower.

As shown in fig. 1, 2 and 3, the transportation mechanism 10 includes a first motor 11, the first motor 11 is disposed at the upper end of the machine body 1, a first driving shaft 12 is disposed at the front end of the first motor 11, a first pulley 13 is disposed at the front end of the first driving shaft 12, the first pulley 13 rotates synchronously with the first driving shaft 12 through interference fit, a first driving belt 14 is sleeved at the outer end of the first pulley 13, a second pulley 15 is disposed at the lower end of the first driving belt 14, a first rotating shaft 16 is connected in the second pulley 15, the second pulley 15 rotates synchronously with the first rotating shaft 16 through interference fit, the rear end of the first rotating shaft 16 extends into the machine body 1 and is provided with a first rotating wheel 17, the first rotating wheel 17 rotates synchronously with the first rotating shaft 16 through interference fit, the first rotating shaft 16 is rotatably connected with the machine body 1 through a bearing, the outer end of the first rotating wheel 17 is sleeved with a conveying belt 18, a second rotating wheel 19 is disposed at, the second runner 19 is arranged at the feeding port 2, a second rotating shaft 20 is connected in the second runner 19, and the second rotating shaft 20 is rotatably connected with the machine body 1 through a bearing.

As shown in fig. 3 and 4, the transmission mechanism 30 includes a third belt wheel 31, the third belt wheel 31 is disposed on the right side of the first belt wheel 13, a second transmission belt 32 is sleeved on the outer end of the third belt wheel 31, the left end of the second transmission belt 32 is sleeved on the rear end of the first belt wheel 13, a first transmission shaft 33 is connected in the third belt wheel 31, the third belt wheel 31 rotates synchronously with the first transmission shaft 33 through interference fit, the first transmission shaft 33 is rotatably connected with the machine body 1 through a bearing, a rotary table 34 is disposed at the rear end of the first transmission shaft 33, gear teeth 35 are disposed at the rear end of the rotary table 34, a first bevel gear 36 is disposed at the rear side of the rotary table 34, when the rotary table 34 rotates by 0 ° to 90 °, the gear teeth 35 are engaged with the first bevel gear 36, a second transmission shaft 37 is connected in the first bevel gear 36, and the first bevel gear. The transmission mechanism 30 can provide intermittent power for the screening mechanism 40, so that the movement interval of the screening mechanism 40 is more accurate, the structure is simple and compact, errors and damage are not easy to occur, the practicability of the invention is improved, and the influence on waste screening when adsorbed sundries are removed can be reduced by the intermittent movement of the screening mechanism 40.

The screening mechanism 40 comprises a first connecting rod 41, the first connecting rod 41 is arranged at the lower end of a second transmission shaft 37, the first connecting rod 41 and the second transmission shaft 37 synchronously rotate through interference fit, a second connecting rod 42 is arranged at the lower side of the first connecting rod 41, a limiting pin 43 is arranged between the right end of the second connecting rod 42 and the outer end of the first connecting rod 41, the second connecting rod 42 is rotatably connected with the first connecting rod 41 through the limiting pin 43, a bracket 44 is arranged at the upper side of the conveyor belt 18, a supporting rod 45 is arranged at the lower end of the bracket 44, the left end of the second connecting rod 42 is arranged on the supporting rod 45, the second connecting rod 42 is rotatably connected with the supporting rod 45, an electromagnet 6 is arranged at the upper side of the bracket 44, sliding grooves 48 are respectively arranged at two, when the bracket 44 moves to the left, the upper end of the bracket 44 is attached to the lower end of the electromagnet 6, and when the bracket 44 moves to the left end of the chute 48, the left end of the bracket 44 is arranged at the feed opening 3. The screening mechanism 40 can screen the wood waste to be crushed, and adsorbs metal materials such as screws mixed in the wood waste through the magnetic force of the electromagnet 6, so that all parts used for crushing are protected, the failure probability of the invention is reduced, the reliability of the invention is improved, the metal materials are removed from the machine body 1 at intervals, the electromagnet 6 can be ensured to keep effective work for a long time, adsorbed impurities can be removed without stopping the transportation mechanism 10, and the working efficiency is improved.

As shown in fig. 2 and 3, the crushing mechanism 50 includes a second motor 51, the second motor 51 is disposed at the front side of the machine body 1, a second power shaft 52 is disposed at the front end of the second motor 51, a fourth pulley 53 is disposed at the front end of the second power shaft 52, the fourth pulley 53 rotates synchronously with the second power shaft 52 through interference fit, a third transmission belt 54 is sleeved at the outer end of the fourth pulley 53, a fifth pulley 55 is disposed at the upper end of the third transmission belt 54, a third rotating shaft 56 is connected in the fifth pulley 55, the fifth pulley 55 rotates synchronously with the third rotating shaft 56 through interference fit, the third rotating shaft 56 is rotatably connected with the machine body 1 through a bearing, the rear end of the third rotating shaft 56 extends into the machine body 1 and is provided with a first crushing roller 57, the first crushing roller 57 rotates synchronously with the third rotating shaft 56 through interference fit, the first crushing roller 57 is provided with a plurality of first bumps 58 uniformly distributed, a first gear 59 is disposed in the middle of the third rotating shaft 56, first gear 59 is through interference fit and third rotation axis 56 synchronous revolution, first gear 59 left side is equipped with second gear 60 and intermeshing, second gear 60 in-connection has fourth rotation axis 61, second gear 60 passes through interference fit and fourth rotation axis 61 synchronous revolution, fourth rotation axis 61 passes through bearing and organism 1 rotatable coupling, fourth rotation axis 61 rear end extends to in the organism 1 and is equipped with second crushing roller 62, second crushing roller 62 passes through interference fit and fourth rotation axis 61 synchronous revolution, second crushing roller 62 outer end is equipped with a large amount of evenly distributed's second lug 63. The crushing mechanism 50 has a simple and compact structure, is not easy to damage, can stably and effectively crush harder wood or larger-volume wood, and improves the service life and the working efficiency of the invention.

As shown in fig. 2, 3 and 5, the grinding mechanism 70 includes a sixth pulley 71, the sixth pulley 71 is disposed on the right side of the fourth pulley 53, a fourth transmission belt 72 is sleeved on the outer end of the sixth pulley 71, the left end of the fourth transmission belt 72 is sleeved on the rear end of the fourth pulley 53, a third transmission shaft 73 is connected in the sixth pulley 71, the sixth pulley 71 rotates synchronously with the third transmission shaft 73 through interference fit, the third transmission shaft 73 is rotatably connected with the machine body 1 through a bearing, a second bevel gear 74 is disposed on the rear end of the third transmission shaft 73, the second bevel gear 74 rotates synchronously with the third transmission shaft 73 through interference fit, a third bevel gear 75 is disposed on the rear side of the second bevel gear 74 and is engaged with each other, a fourth transmission shaft 76 is connected in the third bevel gear 75, the third bevel gear 75 rotates synchronously with the fourth transmission shaft 76 through interference fit, the fourth transmission shaft 76 is rotatably connected with the machine body 1 through a bearing, be equipped with grinding chamber 7 in the organism 1, grinding chamber 7 locates first crushing roller 57 downside, and fourth transmission shaft 76 upper end extends to in grinding chamber 7 and is equipped with grinding miller 77, and grinding miller 77 passes through interference fit and fourth transmission shaft 76 synchronous revolution, and grinding miller 77 outer wall is equipped with three evenly distributed's recess 78, grind the intracavity 7 inner wall be equipped with the abrasive brick 8 of recess 78 looks adaptation and locate in the recess 78, and grinding miller 77 outer end is equipped with six evenly distributed's opening 79. The grinding mechanism 70 can grind the wood waste chips after the preliminary grinding, can obtain wood powder with uniform size and clear particles, improves the grinding quality of the invention, is beneficial to the subsequent processing of the wood powder, and improves the practicability of the invention.

The specific operation mode of the specific embodiment of the invention is as follows: the power supply of the motor 11 is external, the power supply of the motor 11 is started, the power supply of the motor 11 drives the first driving shaft 12 to drive the first belt wheel 13 to rotate, the first belt wheel 13 transmits power to the second belt wheel 15 through the first driving belt 14, the second belt wheel 15 drives the first rotating wheel 17 to rotate through the first rotating shaft 16, and the first rotating wheel 17 drives the conveying belt 18 to rotate under the matching of the second rotating wheel 19. In addition, the first belt pulley 13 transmits power to the third belt pulley 31 through the second transmission belt 32, the third belt pulley 31 drives the rotating disc 34 to rotate through the first transmission shaft 33, when the rotating disc 34 rotates by 0-90 degrees, the gear teeth 35 on the rotating disc 34 are meshed with the first bevel gear 36 and drive the first bevel gear 36 to rotate for one circle, the first bevel gear 36 drives the first connecting rod 41 to rotate through the second transmission shaft 37, and the first connecting rod 41 drives the bracket 44 to move through the second connecting rod 42. In addition, the power supply of the second motor 51 is externally arranged, the power supply of the second motor 51 is started, the second motor 51 drives the fourth belt pulley 53 to rotate through the second power shaft 52, the fourth belt pulley 53 transmits power to the fifth belt pulley 55 through the third transmission belt 54, the fifth belt pulley 55 drives the first crushing roller 57 to rotate through the third rotating shaft 56, meanwhile, the first gear 59 on the third rotating shaft 56 drives the second gear 60 which is meshed with each other to rotate, the second gear 60 drives the second crushing roller 62 to rotate through the fourth rotating shaft 61, so that the first crushing roller 57 rotates anticlockwise, and the second crushing roller 62 rotates clockwise. In addition, the fourth belt pulley 53 transmits power to the sixth belt pulley 71 through the fourth transmission belt 72, the sixth belt pulley 71 drives the second bevel gear 74 to rotate through the third transmission shaft 73, the second bevel gear 74 drives the third bevel gear 75 engaged with each other to rotate, and the third bevel gear 75 drives the grinding wheel 77 to rotate through the fourth transmission shaft 76. After all parts stably operate, a power supply of the electromagnet 6 is started, wood waste to be processed is placed from the feeding port 2, the wood waste moves towards the right side through the conveyor belt 18 and moves to the position below the electromagnet 6, metal materials such as screws and the like mixed in the wood waste are adsorbed by the magnetic force of the electromagnet, the bracket 44 moves to the left end from the right end of the chute 48 at intervals, impurities adsorbed by the electromagnet 6 are pushed to the feeding port 3 in the process, meanwhile, the wood waste on the conveyor belt 18 falls between the first crushing roller 57 and the second crushing roller 62 to be crushed, wood waste fragments fall to the opening 79 of the grinding wheel 77, and are clamped between the groove 78 and the grinding block 8 under the driving of the grinding wheel 77 which rotates rapidly to be ground, fall out from the position below the opening 79 and leave the machine body 1 through the discharging port 4, and the crushing and grinding process is completed.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms abrasive block, disc, carrier, bar, groove, grinding wheel, opening, limit pin etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.