A crushing device for processing wood fiber powder

Abstract

The utility model relates to the technical field of crushing devices, specifically a crushing device for wood fiber powder processing, including: a box body, a feeding mechanism, a torque motor and a crushing knife; the feeding mechanism is connected to the top of the box body, the front part of the feeding mechanism is provided with a torque motor, and the inside of the feeding mechanism is provided with a crushing knife. The beneficial effect is: by starting the driving motor to drive the screen to vibrate, larger particles slide into the bucket elevator, and are sent to the crushing knife to be crushed again, and then the crushing device is cyclically crushed, by opening the door bolt, starting the electric push rod to drive the rear baffle to move backward, rotating to open the cover plate, pulling out the crushing knife for maintenance, and then reinserting it on the outer flower shaft, rotating and resetting the rear baffle, and starting the electric push rod to drive the rear baffle to reset, inserting the support shaft into the rear baffle, and finally fixing the rear baffle with the door bolt, so as to facilitate the maintenance of the crushing knife of the crushing device.

Description

Technical Field

[0001] The utility model relates to the field of pulverizing devices, in particular to a pulverizing device used for processing wood fiber powder. Background Art

[0002] Wood fiber powder processing is the process of converting wood or wood waste into fine fiber powder after a series of process treatments. These fiber powders can be used for a variety of purposes, such as making paper, producing wood boards, biomass energy, etc. The wood is mainly crushed by a crushing device. The existing crushing device still has certain defects when used, such as;

[0003] Announcement No.: CN219926331 U, proposes: a wood fiber crusher, including a box body, a discharge hopper is fixedly connected to the bottom of the box body, support legs are fixedly connected to the middle of the left and right sides of the discharge hopper, a crushing mechanism is arranged inside the box body, a protective mechanism is arranged on the upper back of the box body, the protective mechanism includes hinges, the number of the hinges is two, one side of the two hinges is respectively arranged on the left and right sides above the back of the box body, the other side of the hinge is fixedly connected to a cover plate, and a handle is fixedly connected to the middle of the back of the cover plate. The utility model uses the hinges arranged on the back of the box body, and the cover plate can rotate above the box body through the hinges to shield the inside of the box body, and the fixing buckle and the fixing block are mutually buckled to fix the cover plate, so as to prevent the debris generated by the crusher during operation from posing a threat to the operator.

[0004] In the above document: after two sets of rotating drums with blades are used for crushing, they are directly discharged and crushed only once. The crushing effect is relatively poor, and there will be some larger wood pieces that need to be screened out and crushed again. Based on this, a crushing device for wood fiber powder processing is specially proposed to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a pulverizing device for processing wood fiber powder to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crushing device for wood fiber powder processing, comprising: a box body, a feeding mechanism, a torque motor and a crushing knife;

[0007] A feeding mechanism is connected to the top of the box, a torque motor is arranged at the front of the feeding mechanism, and a crushing knife is arranged inside the feeding mechanism;

[0008] The interior of the box is connected with a circulation mechanism, the bottom of the box is connected with a discharge hopper, and the front of the box is connected with a controller.

[0009] Preferably, the circulation mechanism includes: a screen, a driving motor, a circular plate, a transmission plate, a bucket elevator, a through pipe, a guide plate and a discharge pipe, the screen is rotatably connected to one side of the inner wall of the box through a connecting ear, and the rear part of the inner wall of the box is connected to the driving motor, the output end of the driving motor is connected to the circular plate, the front edge of the circular plate is rotatably connected to the transmission plate, and the other end of the transmission plate is rotatably connected to the bottom of the screen through a connecting ear.

[0010] Preferably, a bucket elevator is connected to one side of the box body, a through pipe is fixedly passed through between the bucket elevator and the box body, a guide plate is connected to the inner wall of the through pipe, and the guide plate is arranged below the screen.

[0011] Preferably, a side of the bucket elevator away from the through pipe is connected with a feed pipe, and the feed pipe is arranged above the crushing knife.

[0012] Preferably, the feeding mechanism comprises: a feeding hopper, a rear baffle, a bolt, an inner flower groove, an outer flower shaft, a bearing, a supporting shaft, a right-angle hinge, a vertical plate, a telescopic rod and an electric push rod; the upper part of the box body is fixedly connected with the feeding hopper, the torque motor is connected to the front part of the feeding hopper by bolts, and the output end of the torque motor penetrates and rotates on the inner wall of the feeding hopper, and the feeding pipe penetrates and is fixed on the inner wall of the feeding hopper;

[0013] The crushing knife is arranged in the feed hopper, the back of the feed hopper is abutted against a rear baffle, one side of the feed hopper is connected with a bolt, and the bolt is arranged on one side of the rear baffle.

[0014] Preferably, an inner flower groove is provided inside the crushing knife, an outer flower shaft is slidably connected inside the inner flower groove, and the outer flower shaft is connected to the output end of the torque motor.

[0015] Preferably, a bearing is connected to the front of the rear baffle, and a support shaft is rotatably passed through the inner wall of the rear baffle, the support shaft is connected in the bearing, and the support shaft is connected to the back of the outer flower shaft.

[0016] Preferably, one side of the rear baffle is connected to a right-angle hinge, the front of the right-angle hinge is connected to a vertical plate, the front of the vertical plate is connected to a telescopic rod, and the telescopic rod is connected to one side of the feed hopper;

[0017] The front part of the vertical plate away from the telescopic rod is connected with an electric push rod, and the electric push rod is connected to one side of the feed hopper.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The pulverizing device for wood fiber powder processing proposed in the utility model has the following specific contents:

[0020] 1. Start the drive motor to drive the circular plate to rotate, and the circular plate drives the transmission plate to rotate in front of the circular plate, continuously pushing the screen to vibrate, screening the broken wood powder, and the smaller particles are discharged from the discharge hopper, and the larger particles fall on the guide plate, slide into the bucket elevator, and are transported upward, and fall from the discharge pipe to the crushing knife, and are crushed again, so as to circulate the crushing device;

[0021] 2. Open the door bolt, start the electric push rod to push the vertical plate, drive the rear baffle to move backward, then rotate the rear baffle to one side, directly pull out the crushing knife for maintenance, reinsert it on the outer flower shaft after maintenance, rotate the rear baffle to reset, and start the electric push rod to drive the rear baffle to reset, finally fix the rear baffle with the door bolt, so as to facilitate the maintenance of the crushing knife of the crushing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main cross-sectional structure of the box body of the utility model;

[0023] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the side cross-sectional structure of the crushing knife of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the feed hopper of the utility model from the right side;

[0026] Figure 5 It is a schematic diagram of the left side structure of the feed hopper of the utility model.

[0027] In the figure: 1. box body; 2. feeding mechanism; 201. feeding hopper; 202. rear baffle; 203. bolt; 204. inner flower trough; 205. outer flower axis; 206. bearing; 207. support shaft; 208. right-angle hinge; 209. vertical plate; 210. telescopic rod; 211. electric push rod; 3. torque motor; 4. crushing knife; 5. circulation mechanism; 501. screen; 502. driving motor; 503. round plate; 504. transmission plate; 505. bucket elevator; 506. through pipe; 507. guide plate; 508. feeding pipe; 6. discharging hopper; 7. controller. DETAILED DESCRIPTION

[0028] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1

[0030] See also Figure 1-Figure 2 , the utility model provides a technical solution: a crushing device for wood fiber powder processing, comprising: a box body 1, a feeding mechanism 2, a torque motor 3 and a crushing knife 4;

[0031] A feeding mechanism 2 is connected to the top of the box body 1, a torque motor 3 is arranged at the front of the feeding mechanism 2, and a crushing knife 4 is arranged inside the feeding mechanism 2; a circulation mechanism 5 is connected to the inside of the box body 1, a discharge hopper 6 is connected to the bottom of the box body 1, and a controller 7 is connected to the front of the box body 1.

[0032] The circulation mechanism 5 includes: a screen 501, a drive motor 502, a circular plate 503, a transmission plate 504, a bucket elevator 505, a through pipe 506, a guide plate 507 and a feed pipe 508. The screen 501 is rotatably connected to one side of the inner wall of the box body 1 through a connecting ear, and the rear part of the inner wall of the box body 1 is connected to the drive motor 502. The output end of the drive motor 502 is connected to the circular plate 503. The front edge of the circular plate 503 is rotatably connected to the transmission plate 504. The transmission The other end of the plate 504 is rotatably connected to the bottom of the screen 501 through a connecting ear. A bucket elevator 505 is connected to one side of the box body 1. A through pipe 506 is fixedly passed through the bucket elevator 505 and the box body 1. A guide plate 507 is connected to the inner wall of the through pipe 506. The guide plate 507 is arranged below the screen 501. A discharge pipe 508 is connected to the side of the bucket elevator 505 away from the through pipe 506. The discharge pipe 508 is arranged above the crushing knife 4.

[0033] In order to realize the cyclic crushing of the crushing device, the operation controller 7 starts the driving motor 502 to drive the circular plate 503 to rotate, and the circular plate 503 drives the transmission plate 504 to rotate in front of the circular plate 503, continuously pushing the screen 501 to vibrate, and the crushed wood powder is screened. Smaller particles pass through the screen 501 and are discharged from the discharge hopper 6 and are caught by the container, while larger particles continue to roll and fall on the guide plate 507, slide into the bucket elevator 505 from the through pipe 506, and are transported upward by the bucket elevator 505, and fall from the discharge pipe 508 onto the crushing knife 4, and are crushed again, so as to realize the cyclic crushing of the crushing device.

[0034] Embodiment 2

[0035] See also Figure 1-Figure 5 It can be seen that the feeding mechanism 2 includes: a feeding hopper 201, a rear baffle 202, a bolt 203, an inner flower groove 204, an outer flower shaft 205, a bearing 206, a support shaft 207, a right-angle hinge 208, a vertical plate 209, a telescopic rod 210 and an electric push rod 211. The feeding hopper 201 is fixedly connected to the top of the box body 1, and the torque motor 3 is connected to the front of the feeding hopper 201 by bolts, and the output end of the torque motor 3 passes through and rotates on the inner wall of the feeding hopper 201, and the feeding tube 508 passes through and is fixed on the inner wall of the feeding hopper 201; the crushing knife 4 is arranged in the feeding hopper 201, and the back of the feeding hopper 201 is abutted against the rear baffle 202, and the bolt 203 is connected to one side of the feeding hopper 201, and the bolt 203 is arranged on one side of the rear baffle 202. An inner flower groove 204 is provided in the inner part, and an outer flower shaft 205 is slidably connected inside the inner flower groove 204, and the outer flower shaft 205 is connected to the output end of the torque motor 3. A bearing 206 is connected to the front of the rear baffle 202, and a support shaft 207 is rotatably passed through the inner wall of the rear baffle 202, and the support shaft 207 is connected in the bearing 206, and the support shaft 207 is connected to the back of the outer flower shaft 205. A right-angle hinge 208 is connected to one side of the rear baffle 202, and a vertical plate 209 is connected to the front of the right-angle hinge 208. A telescopic rod 210 is connected to the front of the vertical plate 209, and the telescopic rod 210 is connected to one side of the feed hopper 201; an electric push rod 211 is connected to the front of the vertical plate 209 away from the telescopic rod 210, and the electric push rod 211 is connected to one side of the feed hopper 201.

[0036] On the basis of the first embodiment, in order to facilitate the maintenance of the crushing knife 4 of the crushing device, the bolt 203 is opened, the fixation of the rear baffle 202 is released, the electric push rod 211 is started to push the vertical plate 209, and the rear baffle 202 moves backward. At the same time, the telescopic rod 210 is extended and retracted to support and guide the rear baffle 202. When the rear baffle 202 moves backward, the support shaft 207 is pulled out from the rear baffle 202, and the support shaft 207 is no longer supported. Then the rear baffle 202 is hinged along the right angle. 208 is rotated to one side, and the crushing knife 4 is directly pulled outward and unplugged from the outer flower shaft 205 for maintenance. After maintenance, it is reinserted into the outer flower shaft 205, and the outer flower shaft 205 is inserted into the inner flower groove 204 in the crushing knife 4 to prevent idling. Then the rear baffle 202 is rotated to reset, and the electric push rod 211 is started to drive the rear baffle 202 to reset, and the support shaft 207 is inserted into the rear baffle 202. Finally, the rear baffle 202 is fixed with the bolt 203 to quickly maintain the crushing knife 4 of the crushing device.

[0037] During actual use, the cover on the rear baffle 202 is opened, and the wood block is placed in the feed hopper 201. The operation controller 7 is used to start the torque motor 3 to drive the crushing knife 4 to rotate, crush the wood block, and the wood block falls on the screen 501. The required particles are discharged from the discharge hopper 6 and caught by a container. The larger particles are transported to the feed mechanism 2 through the bucket elevator 505 for further crushing and screening. When the crushing knife 4 needs to be maintained, the bolt 203 is opened, and the electric push rod 211 is started to move the rear baffle 202 backward and rotate it open, and the crushing knife 4 is pulled out for maintenance. After maintenance, it is reinserted into the outer flower shaft 205, and the rear baffle 202 is reset and fixed with the bolt 203.

[0038] 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 pulverizing device for processing wood fiber powder, comprising: The box body (1), the feeding mechanism (2), the torque motor (3) and the crushing knife (4) are characterized in that; A feeding mechanism (2) is connected to the top of the box (1), a torque motor (3) is arranged at the front of the feeding mechanism (2), and a crushing knife (4) is arranged inside the feeding mechanism (2); The box (1) is internally connected with a circulation mechanism (5), the bottom of the box (1) is connected with a discharge hopper (6), and the front of the box (1) is connected with a controller (7), the circulation mechanism (5) comprises: a screen (501), a drive motor (502), a circular plate (503), a transmission plate (504), a bucket elevator (505), a through pipe (506), a guide plate (507) and a discharge pipe (508), one side of the inner wall of the box (1) is rotatably connected with the screen (501) through a connecting ear, and the rear part of the inner wall of the box (1) is connected with the drive motor (502), the output end of the drive motor (502) is connected with the circular plate (503), the front edge of the circular plate (503) is rotatably connected with the transmission plate (504), and the other end of the transmission plate (504) is rotatably connected to the bottom of the screen (501) through a connecting ear.

2. A pulverizing device for wood fiber powder processing according to claim 1, characterized in that: A bucket elevator (505) is connected to one side of the box body (1), a through pipe (506) is fixedly passed through between the bucket elevator (505) and the box body (1), a guide plate (507) is connected to the inner wall of the through pipe (506), and the guide plate (507) is arranged below the screen (501).

3. A pulverizing device for processing wood fiber powder according to claim 2, characterized in that: A discharge pipe (508) is connected to one side of the bucket elevator (505) away from the through pipe (506), and the discharge pipe (508) is arranged above the crushing knife (4).

4. A pulverizing device for processing wood fiber powder according to claim 3, characterized in that: The feeding mechanism (2) comprises: a feeding hopper (201), a rear baffle (202), a bolt (203), an inner flower groove (204), an outer flower shaft (205), a bearing (206), a support shaft (207), a right-angle hinge (208), a vertical plate (209), a telescopic rod (210) and an electric push rod (211); the feeding hopper (201) is fixedly connected to the top of the box body (1); the torque motor (3) is connected to the front of the feeding hopper (201) by bolts, and the output end of the torque motor (3) penetrates and rotates on the inner wall of the feeding hopper (201); the feeding pipe (508) penetrates and is fixed on the inner wall of the feeding hopper (201); The crushing knife (4) is arranged in the feed hopper (201), the back of the feed hopper (201) is in contact with a rear baffle (202), one side of the feed hopper (201) is connected to a bolt (203), and the bolt (203) is arranged on one side of the rear baffle (202).

5. A pulverizing device for processing wood fiber powder according to claim 4, characterized in that: An inner flower groove (204) is provided inside the crushing knife (4), and an outer flower shaft (205) is slidably connected inside the inner flower groove (204), and the outer flower shaft (205) is connected to the output end of the torque motor (3).

6. A pulverizing device for processing wood fiber powder according to claim 5, characterized in that: The front part of the rear baffle (202) is connected with a bearing (206), and a support shaft (207) is rotatably passed through the inner wall of the rear baffle (202), the support shaft (207) is connected inside the bearing (206), and the support shaft (207) is connected to the back of the outer flower shaft (205).

7. A pulverizing device for processing wood fiber powder according to claim 6, characterized in that: One side of the rear baffle (202) is connected to a right-angle hinge (208), the front of the right-angle hinge (208) is connected to a vertical plate (209), the front of the vertical plate (209) is connected to a telescopic rod (210), and the telescopic rod (210) is connected to one side of the feed hopper (201); The front part of the vertical plate (209) away from the telescopic rod (210) is connected to an electric push rod (211), and the electric push rod (211) is connected to one side of the feed hopper (201).

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