CN217527646U

CN217527646U - Wood crusher

Info

Publication number: CN217527646U
Application number: CN202221264555.3U
Authority: CN
Inventors: 王邦; 吴彪; 徐剑
Original assignee: Linhai Huayuan Biomass Technology Co ltd
Current assignee: Linhai Huayuan Biomass Technology Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-10-04
Anticipated expiration: 2032-05-21

Abstract

The application discloses a wood crusher, which relates to machinery and comprises a rack, wherein the rack is provided with a crushing cavity, a crushing roller is rotatably connected in the crushing cavity, and the rack is also provided with a first driving motor for driving the crushing roller to rotate; the machine frame is also provided with a feeding hole and a discharging hole which are communicated with the crushing cavity, and the machine frame is also provided with a feeding assembly, and the feeding assembly is positioned on one side of the feeding hole and is used for feeding wood into the crushing cavity along the feeding hole; the feeding assembly comprises an upper conveying roller, a lower conveying roller and a second driving motor, wherein the upper conveying roller is rotated relative to the rack, the lower conveying roller is arranged below the upper conveying roller, the second driving motor is used for driving the lower conveying roller, the rotating axes of the upper conveying roller and the lower conveying roller are parallel, a material passing channel is arranged between the upper conveying roller and the lower conveying roller, the outer wall of the upper conveying roller and the outer wall of the lower conveying roller are equally distributed with convex thorns, and the convex thorns are used for abutting against wood passing through the material passing channel, so that the wood is stably moved towards the direction of the crushing roller, the condition that the wood can be stressed and retreated in the crushing process is improved, and the crushing is more stable.

Description

Wood crusher

Technical Field

The present application relates to the field of machinery, and more particularly, it relates to a wood crusher.

Background

In modern wood processing, a wood crusher is often used, and when wood is fed into the wood crusher, because the internal crushing roller crushes the wood, a part of the wood is forced to move towards a direction far away from the crushing roller, the speed of the wood moving towards the crushing roller is reduced, the efficiency of wood crushing is reduced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that timber can atress fallback in the crushing process, the application provides a wood crusher.

The application provides a wood crusher adopts following technical scheme:

a wood crusher comprises a frame, wherein the frame is provided with a crushing cavity, a crushing roller is rotatably connected in the crushing cavity, and the frame is also provided with a first driving motor for driving the crushing roller to rotate; the machine frame is also provided with a feeding hole and a discharging hole which are communicated with the crushing cavity, and the machine frame is also provided with a feeding assembly, wherein the feeding assembly is positioned on one side of the feeding hole and is used for feeding wood into the crushing cavity along the feeding hole; the feeding assembly comprises an upper conveying roller, a lower conveying roller and a second driving motor, wherein the upper conveying roller is rotated relative to the frame, the lower conveying roller is arranged below the upper conveying roller, the second driving motor is used for driving the lower conveying roller, the upper conveying roller is parallel to the rotating axis of the lower conveying roller, a material passing channel is arranged between the upper conveying roller and the lower conveying roller, protruding thorns are distributed on the outer wall of the upper conveying roller and the outer wall of the lower conveying roller, and the protruding thorns are used for abutting against wood passing through the material passing channel.

Through the technical scheme, be equipped with the feeding subassembly in the frame, send into broken chamber with timber through the feeding subassembly, when the crushing roller carries out the breakage to timber, owing to receive the power of crushing roller, the billet has the trend of keeping away from the removal of crushing roller direction, and go up the conveying roller and be equipped with protruding thorn with lower conveying roller outer wall, through the cooperation of last conveying roller and lower conveying roller, protruding thorn supports the timber that tightly passes through, make it stably remove towards the crushing roller direction, thereby improve the condition that timber can atress retreat among the crushing process, make the breakage more stable.

Further, the upper conveying roller and the lower conveying roller are provided with a plurality of rollers, the upper conveying roller and the lower conveying roller are same in number and correspond to each other in position one to one

Through above-mentioned technical scheme, increase the quantity of last conveying roller and lower conveying roller, make its timber that more stable conflict passes through, increase stability.

Further, the frame articulates there is the mounting bracket, the articulated axis of mounting bracket with the axis of rotation of conveying roller is parallel down, go up the conveying roller and rotate and install in the mounting bracket, the frame still is equipped with the driving piece of drive mounting bracket upset

Through above-mentioned technical scheme, the articulated mounting bracket of frame, driving piece drive mounting bracket upset is conveniently opened and is overhauld the support body is inside, is convenient for also observe the situation that last conveying roller and lower conveying roller are close to crushing roller one end.

Further, the mounting bracket is equipped with the supporting shoe, the frame is equipped with holds the groove, the tank bottom that holds the groove is used for supplying the supporting shoe to support by the realization.

Through above-mentioned technical scheme, set up the supporting shoe and hold the groove to carry out fixed stay to the mounting bracket through the cooperation of supporting shoe and holding the groove.

Further, the feeding subassembly still includes for frame pivoted last helper roll and lower helper roll, it is located to go up the helper roll one side of feed inlet is kept away from to last conveying roller, the helper roll is located down one side that the feed inlet was kept away from to the conveying roller, go up the axis of rotation of helper roll and lower helper roll with the axis of rotation of conveying roller is parallel down, it is located with lower helper roll one-to-one to go up the helper roll the upper and lower both sides of punishment in advance passageway, the periphery wall of helper roll is equipped with a plurality of protruding muscle down, protruding muscle extends along the axis of lower helper roll, down the helper roll with go up the helper roll cooperation and be used for carrying timber along the punishment in advance passageway, down the helper roll with be equipped with first transmission assembly down between the conveying roller, first transmission assembly sets up to drive when the conveying roller rotates down helper roll synchronous rotation.

Through above-mentioned technical scheme, go up auxiliary roll and lower auxiliary roll and be used for supplementary timber's transporting, the timber that will get into is supported tightly by last auxiliary roll and lower auxiliary roll, steadily removes towards the crushing roller direction.

Further, be equipped with the blast pipe in the frame, the blast pipe is close to frame one end and link up broken chamber top, the one end that the frame was kept away from to the blast pipe is used for communicateing air exhaust device.

Through above-mentioned technical scheme, carry out broken in-process at the crushing roller to timber, can produce many saw-dust dusts in broken intracavity, take out the saw-dust of broken intracavity through blast pipe and the air exhaust device who is connected with the blast pipe, reduce the harm to the human body.

Further, the discharge port is provided with a screen, the screen is provided with a plurality of screen openings with the same size, and the screen openings are used for the crushed wood to pass through.

Through above-mentioned technical scheme, set up the screen cloth and leave the net gape, some timber still have great billet after the crushing roller is broken, and this part billet can't pass through the net gape, can pass through the crushing roller again and break, until the billet size can pass through the net gape.

Further, the second driving motor and the lower conveying roller are further provided with a second transmission assembly, the second transmission assembly comprises a driving chain wheel connected with the second driving motor, a driven chain wheel coaxially connected with the lower conveying roller and a chain matched with the driving chain wheel and the driven chain wheel to rotate, and the radial length of the driving chain wheel is smaller than that of the driven chain wheel.

Through above-mentioned technical scheme, let the little drive sprocket of radial length pass through the chain and drive the big driven sprocket of radial length, drive sprocket and the lower conveying roller coaxial coupling who is close to broken chamber, driven sprocket and the lower conveying roller coaxial coupling who keeps away from broken chamber, and driven sprocket angular velocity is less than drive sprocket's angular velocity, and the moment of torsion of the lower conveying roller in broken chamber is kept away from in the reinforcing, has strengthened conveying roller pivoted stability.

Further, the rack is also provided with a current sensor and a controller which are electrically connected with the second driving motor, and when the current sensor detects that the current of the second driving motor is larger than a preset value, the controller controls the preset time of the reverse rotation of the second driving motor.

Through the technical scheme, when the wood is clamped in the crushing roller, the current of the second driving motor is increased and exceeds the preset value, the current sensor detects that the current of the second driving motor is larger than the preset value, the controller controls the second driving motor to rotate reversely for the preset time, and the condition that the machine needs to be stopped to check the condition when the wood is clamped is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The upper conveying roller and the lower conveying roller are arranged, the outer walls of the upper conveying roller and the lower conveying roller are provided with the convex thorns, and the convex thorns tightly support the passing wood through the cooperation of the upper conveying roller and the lower conveying roller, so that the wood stably moves towards the direction of the crushing roller, the condition that the wood is stressed and retreated in the crushing process is improved, and the crushing is more stable;

(2) The driving chain wheel with small radial length drives the driven chain wheel with large radial length through the chain, so that the lower conveying roller coaxially connected with the driven chain wheel is decelerated, the torque of the lower conveying roller is enhanced, and the rotation stability of the conveying roller is enhanced;

(3) Through setting up current sensor and controller, deal with the condition of timber card in the crushing roller, reduced timber and blocked the condition that just need to stop the machine and look over the situation.

Drawings

FIG. 1 is a schematic view of a submount of an embodiment.

FIG. 2 is a schematic cross-sectional view of an embodiment.

Fig. 3 is an overall view illustrating the opening of the mount according to the embodiment.

Reference numerals: 1. a frame; 2. a crushing chamber; 3. a crushing roller; 4. a first drive motor; 5. a feed inlet; 6. a discharge port; 7. screening a screen; 8. an exhaust pipe; 9. an upper conveying roller; 10. a lower conveying roller; 11. a second drive motor; 12. convex thorns; 13. a drive sprocket; 14. a driven sprocket; 15. an upper auxiliary roller; 16. a lower auxiliary roller; 17. a rib is protruded; 18. a mounting frame; 19. a drive member; 20. a support block; 21. a support groove.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a wood crusher.

The embodiment is as follows:

referring to fig. 1, fig. 2, a wood crusher, includes frame 1, and frame 1 is equipped with broken chamber 2, and the internal rotation in broken chamber 2 is connected with crushing roller 3, and the 3 outer walls of crushing roller have broken lug, and broken lug is used for the timber of broken entering, and frame 1 still is equipped with the first driving motor 4 of drive crushing roller 3 pivoted, and in the in-service use, first driving motor 4 drives crushing roller 3 through belt drive structure and rotates. The frame 1 is also provided with a feed inlet 5 and a discharge outlet 6 which are communicated with the crushing cavity 2. The discharge port 6 is provided with a screen 7, the screen 7 is provided with a plurality of screen openings with the same size, and the screen openings are used for the crushed wood to pass through.

Referring to fig. 1 and 2, a feeding assembly is arranged at the feeding port 5 and used for feeding wood, and the feeding assembly is positioned at one side of the feeding port 5 and used for feeding the wood into the crushing cavity 2 along the feeding port 5; the feeding assembly includes an upper feeding roller 9, a lower feeding roller 10, a second driving motor 11, an upper auxiliary roller 15, and a lower auxiliary roller 16.

Referring to fig. 1 and 3, a mounting frame 18 is mounted on the frame 1, the mounting frame 18 is mounted on one side of the frame 1 away from the crushing cavity 2 through a hinge, the hinge axis of the mounting frame 18 is parallel to the rotation axis of the crushing roller 3, the frame 1 is further provided with a driving member 19 for driving the mounting frame 18 to overturn around the axis, in actual use, the driving member 19 is a cylinder body of a hydraulic cylinder hinged with the frame, and a piston rod of the hydraulic cylinder is hinged with the mounting frame. The mounting rack 18 is provided with a supporting block 20, the rack 1 is provided with a supporting groove 21, and the bottom of the supporting groove 21 is used for supporting the supporting block 20.

Referring to fig. 1, fig. 2, upper conveying roller 9 rotates and installs in mounting bracket 18, lower conveying roller 10 rotates and installs in frame 1 and is located upper conveying roller 9 below, the axis of rotation of upper conveying roller 9 and lower conveying roller 10 all is parallel with the axis of rotation of crushing roller, be equipped with the punishment in advance passageway between upper conveying roller 9 and the lower conveying roller 10, cloth is equallyd divide to have protruding thorn 12 in the outer wall of upper conveying roller 9 and lower conveying roller 10, in the time of the in-service use, upper conveying roller 9 and lower conveying roller 10 all are equipped with two, the position one-to-one of upper conveying roller 9 and lower conveying roller 10. The wood passing through is tightly pressed by the convex thorns 12 through the matching of the upper conveying roller 9 and the lower conveying roller 10.

A second transmission assembly is further arranged between the second driving motor 11 and the lower conveying roller 10, the second transmission assembly comprises a driving chain wheel 13 connected with the second driving motor 11, a driven chain wheel 14 coaxially connected with the lower conveying roller 10 and a chain matched with the driving chain wheel 13 and the driven chain wheel 14 to rotate, the radial length of the driving chain wheel 13 is smaller than that of the driven chain wheel 14, and linkage is achieved between the adjacent lower conveying rollers 10 through a chain transmission structure. The lower conveying roller and the adjacent driven sprocket that drives radial length through letting the little drive sprocket of radial length pass through the chain, make the lower conveying roller with driven sprocket coaxial coupling slow down, strengthened the moment of torsion of lower conveying roller, strengthened conveying roller pivoted stability.

In practice, the upper feeding roller 9 can be rotated by the wood moving when the wood is fed by the lower feeding roller 10. Alternatively, the upper conveying rollers 9 may be provided with a driving unit, the driving unit is a motor, and the adjacent upper conveying rollers 9 are connected through chain transmission.

The chain wheels coaxially connected with the upper conveying roller 9 have the same radial length, so that the upper conveying roller 9 can synchronously rotate. In the chain transmission structure between the two lower conveying rollers 10, the size of the chain wheel coaxially connected with the lower conveying roller 10 far away from the crushing roller 3 is larger than that of the chain wheel connected with the lower conveying roller 10 near the crushing roller 3. In actual operation, the lower conveying roller 10 close to the crushing roller 3 and the upper conveying roller 9 rotate at the same linear speed and in opposite directions, at the moment, the lower conveying roller 10 far away from the crushing roller 3 and the upper conveying roller 9 far away from the crushing roller 3 can form a rotation speed difference, and wood can be pre-crushed through the cooperation of the rotation speed difference and the convex thorns 12.

Go up auxiliary roller 15 and be located the one side that feed inlet 5 was kept away from to last conveying roller 9, lower auxiliary roller 16 is located one side that feed inlet 5 was kept away from to lower conveying roller 10, the axis of rotation of going up auxiliary roller 15 and lower auxiliary roller 16 is parallel with the axis of rotation of lower conveying roller 10, it is located the upper and lower both sides of punishment in advance passageway to go up auxiliary roller 15 and lower auxiliary roller 16 one-to-one, the periphery wall of lower auxiliary roller 16 is equipped with a plurality of protruding muscle 17, protruding muscle 17 extends along the axis of lower auxiliary roller 16, in the in-service use, also can set up the recess at lower auxiliary roller 16 periphery wall, the recess extends along the axis of lower auxiliary roller 16. The lower auxiliary roller 16 and the upper auxiliary roller 15 cooperate to convey the wood along the passage.

Referring to fig. 1 and 2, a first transmission assembly is arranged between the lower auxiliary roller 16 and the lower conveying roller 10, and in practical use, the first transmission assembly is a chain transmission structure installed inside the frame 1, and when the lower conveying roller 10 rotates, the first transmission assembly drives the lower auxiliary roller 16 to rotate synchronously.

Referring to fig. 3, an exhaust pipe 8 is arranged on the frame 1, one end of the exhaust pipe 8, which is close to the frame 1, penetrates through the top of the crushing cavity 2, one end of the exhaust pipe 8, which is far away from the frame 1, is used for communicating with an air extractor, in the process that the crushing roller 3 crushes wood, a lot of wood dust can be generated in the crushing cavity 2, and the wood dust in the crushing cavity 2 is extracted through the exhaust pipe 8 and the air extractor connected with the exhaust pipe 8.

The rack 1 is also provided with a current sensor and a controller which are electrically connected with the second driving motor 11, when the current sensor detects that the current of the second driving motor 11 is larger than a preset value, the controller controls the preset time of the reverse rotation of the second driving motor 11, and when the rack is actually used, the second driving motor 11 is a servo motor and the controller directly controls the servo motor to overturn. The second driving motor 11 may also be a combination of a frequency converter and an ac motor, the frequency converter is controlled by the controller to realize the reverse rotation of the motor, and the time of the reverse rotation may be set to five seconds. After the reverse rotation is completed, the second drive motor 11 rotates forward to send the wood again to the crushing roller 3.

The working principle of the embodiment is as follows: when the wood crusher works, the lower auxiliary roller 16 and the upper auxiliary roller 15 are matched to convey wood along a material passing channel, the wood is tightly abutted by the convex thorns 12 on the upper conveying roller 9 and the lower conveying roller 10 and conveyed towards the direction of the crushing cavity 2, the crushing roller 3 in the crushing cavity 2 crushes the wood, the crushed wood is sent out from the discharge port 6 through the screen 7, when the wood is clamped on the crushing roller 3, the current of the second driving motor 11 is increased, when the current sensor detects that the current of the second driving motor 11 is greater than a preset value, the controller controls the second driving motor 11 to rotate reversely for a preset time, the wood is moved towards the direction of the feed port 5 and then rotates forwards, and the wood is conveyed to the crushing cavity 2 to be crushed again.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A wood crusher comprises a frame (1), wherein the frame (1) is provided with a crushing cavity (2), a crushing roller (3) is rotationally connected in the crushing cavity (2), and the frame (1) is also provided with a first driving motor (4) for driving the crushing roller (3) to rotate; frame (1) still be equipped with feed inlet (5) and discharge gate (6) of broken chamber (2) intercommunication, its characterized in that: the machine frame (1) is also provided with a feeding assembly, and the feeding assembly is positioned on one side of the feeding hole (5) and is used for feeding wood into the crushing cavity (2) along the feeding hole (5); the feeding assembly comprises an upper conveying roller (9) rotating relative to the rack (1), a lower conveying roller (10) arranged below the upper conveying roller (9) and a second driving motor (11) used for driving the lower conveying roller (10) to rotate, the upper conveying roller (9) is parallel to the rotating axis of the lower conveying roller (10), a material passing channel is arranged between the upper conveying roller (9) and the lower conveying roller (10), protruding thorns (12) are evenly distributed on the outer wall of the upper conveying roller (9) and the lower conveying roller (10), and the protruding thorns (12) are used for tightly supporting wood passing through the material passing channel.

2. A wood crusher according to claim 1, characterized in that: the upper conveying roller (9) and the lower conveying roller (10) are provided with a plurality of rollers, and the upper conveying roller (9) and the lower conveying roller (10) are identical in number and are in one-to-one correspondence in position.

3. A wood crusher according to claim 1, characterized in that: frame (1) articulates there is mounting bracket (18), the articulated axis of mounting bracket (18) with the axis of rotation of lower conveying roller (10) is parallel, go up conveying roller (9) and rotate and install in mounting bracket (18), frame (1) still is equipped with driving piece (19) of drive mounting bracket (18) upset.

4. A wood crusher according to claim 3, characterized in that: the mounting rack (18) is provided with a supporting block (20), the rack (1) is provided with a supporting groove (21), and the groove bottom of the supporting groove (21) is used for supporting the supporting block (20) in an abutting mode.

5. A wood crusher in accordance with claim 1, wherein: the feeding assembly further comprises an upper auxiliary roller (15) and a lower auxiliary roller (16) which rotate relative to the frame (1), the upper auxiliary roller (15) is located on one side, away from the feeding hole (5), of the upper conveying roller (9), the lower auxiliary roller (16) is located on one side, away from the feeding hole (5), of the lower conveying roller (10), the rotating axes of the upper auxiliary roller (15) and the lower auxiliary roller (16) are parallel to the rotating axis of the lower conveying roller (10), the upper auxiliary roller (15) and the lower auxiliary roller (16) are located on the upper side and the lower side of the material passing channel in a one-to-one correspondence mode, a plurality of convex ribs (17) are arranged on the outer peripheral wall of the lower auxiliary roller (16), the convex ribs (17) extend along the axis of the lower auxiliary roller (16), and the lower auxiliary roller (16) and the upper auxiliary roller (15) are matched to convey wood along the material passing channel;

and a first transmission assembly is arranged between the lower auxiliary roller (16) and the lower conveying roller (10), and is used for driving the lower auxiliary roller (16) to synchronously rotate when the lower conveying roller (10) rotates.

6. A wood crusher according to claim 1, characterized in that: be equipped with blast pipe (8) on frame (1), blast pipe (8) are close to frame (1) one end and link up broken chamber (2) top, the one end that frame (1) was kept away from in blast pipe (8) is used for communicateing air exhaust device.

7. A wood crusher according to claim 1, characterized in that: the discharge port (6) is provided with a screen (7), the screen (7) is provided with a plurality of screen openings with the same size, and the screen openings are used for wood passing after crushing.

8. A wood crusher according to claim 1, characterized in that: the conveying device is characterized in that a second driving assembly is further arranged between the second driving motor (11) and the lower conveying roller (10), the second driving assembly comprises a driving chain wheel (13) connected with the second driving motor (11) and a driven chain wheel (14) coaxially connected with the lower conveying roller (10), and a chain matched with the driving chain wheel (13) and the driven chain wheel (14) to rotate, and the radial length of the driving chain wheel (13) is smaller than that of the driven chain wheel (14).

9. A wood crusher in accordance with claim 1, wherein: the rack (1) is also provided with a current sensor and a controller which are electrically connected with the second driving motor (11), and when the current sensor detects that the current of the second driving motor (11) is larger than a preset value, the controller controls the preset time of the reverse rotation of the second driving motor (11).