CN215541471U - Wood grinder - Google Patents

Abstract

The application provides a timber rubbing crusher. The wood pulverizer comprises a pulverizer body, a feeding hopper, a pulverizing mechanism, a driving device and a screen. Because the organism includes first framework and second framework, first framework is connected in the second framework, the feeding chamber that is linked together and first avoiding the position chamber are seted up to first framework, the second is seted up to the second and is kept away the position chamber, the second is kept away the position chamber and is formed crushing chamber with first avoiding the position chamber intercommunication, the inside of first framework is equipped with first stationary knife, crushing cutter when smashing the intracavity forms along with rotatory barrel operation and moves the sword, make the timber of treating smashing obtain striking and shearing between moving sword and first stationary knife, because the screen cloth is located the inner wall of second framework, one side that the screen cloth is close to crushing cutter is equipped with the second stationary knife, crushing cutter when smashing the intracavity forms along with rotatory barrel operation and moves the sword, make the timber of treating smashing obtain striking and shearing between sword and second stationary knife, thereby improve crushing efficiency greatly, increase crushing output.

Description

Wood grinder

Technical Field

The utility model relates to the technical field of solid waste treatment, in particular to a wood pulverizer.

Background

The crusher is used to crush rod-shaped or granular material and has the working principle that a shaft is arranged in a cylindrical or approximately cylindrical crusher shell, blades are evenly distributed in the axial direction of the shaft, and the shaft is driven to rotate by a motor to crush the material in the crusher.

At present, a crushing cutter type crusher is mostly adopted for crushing wood, the wood to be crushed enters a crushing cavity of the crusher through a feed port, the wood is beaten and collided at a high speed through crushing cutters of the crusher to achieve the aim of crushing, and crushed fine wood chips are discharged out of the crusher through a screen of the crusher. However, the conventional pulverizer has problems of low pulverizing efficiency and low pulverizing yield.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the wood pulverizer with higher pulverizing efficiency and pulverizing yield.

The purpose of the utility model is realized by the following technical scheme:

a wood pulverizer comprising:

the machine body comprises a first frame body and a second frame body, the first frame body is connected to the second frame body, the first frame body is provided with a feeding cavity and a first avoiding cavity which are communicated, the second frame body is provided with a second avoiding cavity, the second avoiding cavity is communicated with the first avoiding cavity to form a crushing cavity, and a first fixed cutter is arranged inside the first frame body;

the feeding hopper is connected to the first frame body, a material placing cavity is formed in the feeding hopper, and the material placing cavity is communicated with the crushing cavity through the feeding cavity;

rubbing crusher constructs, rubbing crusher constructs including rotatory barrel and crushing cutter, rotatory barrel is located smash the intracavity and with the organism rotates to be connected, crushing cutter is located on the periphery wall of rotatory barrel.

The driving device is arranged on the machine body, a power output end of the driving device is connected with the rotary cylinder body, and the driving device is used for driving the rotary cylinder body to rotate relative to the machine body;

the screen cloth, the screen cloth is located the inner wall of second framework, the screen cloth includes a plurality of screen cloth monomers, and is a plurality of the screen cloth monomer superposes in proper order and connects, makes adjacent two junction between the screen cloth monomer forms the second stationary knife of step form, each a plurality of sieve meshes have been seted up on the screen cloth monomer.

In one embodiment, the first frame body and the second frame body are detachably connected.

In one embodiment, the feeding hopper is provided with a feeding port and a feeding port, the feeding port is arranged on one side of the feeding hopper and is respectively communicated with the feeding cavity and the material placing cavity, the feeding port is arranged on the other side of the feeding hopper and is communicated with the material placing cavity, and the feeding direction of the feeding port is perpendicular to the discharging direction of the feeding port.

In one embodiment, the crushing mechanism further comprises a fastening assembly, and the crushing cutter is connected with the rotary cylinder through the fastening assembly.

In one embodiment, the fastening assembly includes a bolt and a nut, a tool holder is disposed on the outer peripheral wall of the rotary cylinder, a first through hole is formed in the tool holder, a second through hole is formed in one end of the crushing tool, the bolt is sequentially inserted through the first through hole, the second through hole and the nut, and the crushing tool is fixed to the tool holder by rotating the nut.

In one embodiment, the screen mesh is detachably connected with the second frame body.

In one embodiment, the screen is arc-shaped, and the radian of the screen is the same as the motion track of the crushing cutter.

In one embodiment, the crusher further comprises a frame, the frame is connected to the second frame, the second frame is provided with a discharge hole communicated with the crushing cavity, the frame is provided with an accommodating cavity, and the accommodating cavity is communicated with the discharge hole.

In one embodiment, the wood material discharging device further comprises a discharging device, the discharging device penetrates through the accommodating cavity, the discharging device is arranged corresponding to the discharging hole, and the discharging device is used for discharging the crushed wood material.

In one embodiment, the device further comprises a dust removal cloth bag, and the dust removal cloth bag is connected to the discharging device.

Compared with the prior art, the utility model has at least the following advantages:

1. the wood crusher comprises a crusher body, a first frame body, a second frame body, a feeding cavity, a first avoiding cavity, a second avoiding cavity, a crushing cavity and a first fixing cutter, wherein the first frame body is connected with the second frame body, the feeding cavity and the first avoiding cavity are communicated with each other, the second avoiding cavity is communicated with the first avoiding cavity to form the crushing cavity, the first fixing cutter is arranged in the first frame body, and when the crushing cutter in the crushing cavity rotates along with the rotary cylinder body to form the movable cutter, the wood to be crushed is impacted and sheared between the movable cutter and the first fixing cutter, so that the crushing efficiency is greatly improved, and the crushing yield is increased.

2. The screen of the wood pulverizer is arranged on the inner wall of the second frame body, the screen comprises a plurality of screen monomers, the screen monomers are sequentially connected in an overlapping mode, a step-shaped second fixed cutter is formed at the joint between every two adjacent screen monomers, and each screen monomer is provided with a plurality of screen holes. The crushing cutter in the crushing cavity forms the movable cutter along with the rotation of the rotary cylinder body, so that wood to be crushed is impacted and sheared between the movable cutter and the second fixed cutter, the crushing efficiency is further improved, the crushing yield is increased, the wood is crushed more thoroughly, and the wood is prevented from being blocked in sieve holes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a wood pulverizer according to an embodiment;

FIG. 2 is a schematic view of the wood pulverizer shown in FIG. 1 from another perspective;

FIG. 3 is a schematic view of the wood pulverizer shown in FIG. 1 from yet another perspective;

FIG. 4 is a partial schematic view of the wood pulverizer shown in FIG. 1;

fig. 5 is a schematic view showing the structure of a screen of the wood pulverizer shown in fig. 1.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, a wood pulverizer 10 of an embodiment includes a body 100, a hopper 200, a pulverizing mechanism 300, a driving device 400, and a screen 500. The body 100 includes a first frame 110 and a second frame 120, and the first frame 110 is connected to the second frame 120. The first frame body 110 is provided with a feeding cavity 112 and a first avoiding cavity 114 which are communicated, the second frame body 120 is provided with a second avoiding cavity 122, and the second avoiding cavity 122 is communicated with the first avoiding cavity 114 to form a crushing cavity. The first frame 110 has a first fixed blade 1120 inside. The feeding hopper 200 is connected to the first frame 110, the feeding hopper 200 is provided with a material placing cavity 212, and the material placing cavity 212 is communicated with the crushing cavity through the feeding cavity 112; the crushing mechanism 300 comprises a rotary cylinder body 310 and crushing cutters 320, the rotary cylinder body 310 is located in the crushing cavity and is rotationally connected with the machine body 100, and the crushing cutters 320 are arranged on the peripheral wall of the rotary cylinder body 310. The driving device 400 is disposed on the machine body 100, a power output end of the driving device 400 is connected to the rotary cylinder 310, and the driving device 400 is configured to drive the rotary cylinder 310 to rotate relative to the machine body 100; the screen 500 is arranged on the inner wall of the second frame body 120, the screen 500 comprises a plurality of screen monomers 510, the screen monomers 510 are sequentially overlapped and connected, a stepped second fixed knife is formed at the joint between two adjacent screen monomers 510, and a plurality of screen holes 512 are formed in each screen monomer 510.

The wood pulverizer 10 comprises a first frame body 110 and a second frame body 120, wherein the first frame body 110 is connected to the second frame body 120, the first frame body 110 is provided with a feeding cavity 112 and a first avoiding cavity 114 which are communicated, the second frame body 120 is provided with a second avoiding cavity 122, the second avoiding cavity 122 is communicated with the first avoiding cavity 114 to form a pulverizing cavity, a first fixed knife 1120 is arranged inside the first frame body 110, and a pulverizing knife 320 in the pulverizing cavity rotates along with a rotary cylinder body 310 to form a movable knife, so that wood to be pulverized is impacted and sheared between the movable knife and the first fixed knife 1120, thereby greatly improving pulverizing efficiency and increasing pulverizing yield. Because this application timber rubbing crusher's screen cloth 500 locates the inner wall of second framework 120 again, screen cloth 500 includes a plurality of screen cloth monomers 510, and a plurality of screen cloth monomers 510 superpose the connection in proper order, make the junction between two adjacent screen cloth monomers 510 form step-like second stationary knife, seted up a plurality of sieve meshes 512 on each screen cloth monomer 510. When the crushing cutter in the crushing cavity forms the movable cutter along with the rotation of the rotary cylinder body, wood to be crushed is impacted and sheared between the movable cutter and the second fixed cutter, so that the crushing efficiency is further improved, the crushing yield is increased, the wood is crushed more thoroughly, and the wood is prevented from being blocked in the sieve holes 512.

In one embodiment, the first frame 110 and the second frame 120 are detachably connected. It can be understood that, first framework 110 is connected in second framework 120, first framework 110 has seted up the feeding chamber 112 and the first chamber 114 of keeping away that are linked together, second framework 120 has seted up the second and has kept away a chamber 122, the second is kept away a chamber 122 and the first chamber 114 intercommunication of keeping away and is formed crushing chamber, be equipped with rubbing crusher mechanism 300 in the crushing chamber, after rubbing crusher mechanism 300 operation a period, some scraps of easy accumulation in the crushing chamber, if not in time clear up, cause the jam or the card of device easily. In this embodiment, the first frame 110 is detachably connected to the second frame 120, so that the first frame 110 can be easily detached from the second frame 120, thereby facilitating the cleaning operation of the crushing chamber. In addition, the first frame 110 and the second frame 120 are detachably connected, so that the wood pulverizer can be more conveniently mounted.

As shown in fig. 1 and 4, in one embodiment, the first frame body 110 includes a first arc plate 1120, a second arc plate 1130, a first frame plate 1140 and a second frame plate 1150, the first frame plate 1140 is connected to the first arc plate 1120, the second frame plate 1150 is connected to the second arc plate 1130, the first arc plate 1120 is further connected to the second arc plate 1130 to form an avoiding cavity 114, and the first frame plate 1140 is further connected to the second frame plate 1150 to form a feeding cavity 112 communicated with the avoiding cavity 114; the first arc plate 1120 is formed with a stepped first projection, and the second arc plate 1130 is formed with a stepped second projection. In this embodiment, the first frame body includes a first arc plate 1120, a second arc plate, a first frame plate 1140 and a second frame plate 1150, the first frame plate 1140 is connected to the first arc plate 1120, the second frame plate 1150 is connected to the second arc plate, the first arc plate 1120 is further connected to the second arc plate to form a space-avoiding cavity 114, and the first frame plate 1140 is further connected to the second frame plate 1150 to form a feeding cavity 112 communicated with the space-avoiding cavity 114; the first arc plate 1120 is formed with a step-shaped first protrusion, and a step edge of the first protrusion forms a natural first stationary knife. The second arc plate is provided with a step-shaped second protruding part, and the step edge of the second protruding part forms a natural second fixed cutter. And smash the rotatory crushing cutter of moving during operation of the rotor in the sword subassembly of moving and be moving the sword, when timber reducing mechanism is when functioning, timber is constantly obtaining striking and shearing moving between sword and first stationary knife and the second stationary knife to improve crushing efficiency greatly, increase crushing output, make the crushing of timber more thorough simultaneously.

In one embodiment, the first arc plate 1120 comprises a plurality of first connecting plates 1120a, the plurality of first connecting plates 1120a are sequentially connected in an overlapping manner, and a step-shaped first protruding part is formed at the joint between two adjacent first connecting plates 1120 a; the second arc plate 1130 includes a plurality of second connection plates 1130a, the plurality of second connection plates 1130a are sequentially connected in an overlapping manner, and a connection portion between two adjacent second connection plates 1130a forms a step-shaped second protruding portion. In this embodiment, the plurality of first connecting plates 1120a is two or more first connecting plates 1120a, and the plurality of second connecting plates 1130a is two or more second connecting plates 1130 a. Because a plurality of first connecting plates 1120a superpose in proper order and connect, the junction between two adjacent first connecting plates 1120a forms the first bulge of step form, makes first arc 1120 can form the first bulge of step form more conveniently, and material saving makes the first arc 1120 that has first bulge process and equipment more convenient simultaneously. Similarly, because a plurality of second connecting plates 1130a superpose in proper order and connect, the junction between two adjacent second connecting plates 1130a forms the second bulge of step form, makes second arc board 1130 can more conveniently form the second bulge of step form, and save material makes the second arc board 1130 that has the second bulge process and equipment more convenient simultaneously.

Further, each first connecting plate 1120a and each second connecting plate 1130a are straight plates. In this embodiment, each of the first connecting plates 1120a and each of the second connecting plates 1130a are straight plates, and both sides of the straight plates are planar and parallel to each other, and since the first arc plates 1120 include the plurality of first connecting plates 1120a, the plurality of first connecting plates 1120a are sequentially connected in an overlapping manner, and the straight plates can facilitate the processing and welding of the first arc plates 1120. Similarly, because the second arc plate 1130 includes a plurality of second connecting plates 1130a, and a plurality of second connecting plates 1130a overlap in proper order and connect, the processing and the welding that straight board can make second arc plate 1130 are more convenient.

As shown in fig. 1 and 4, further, in order to improve the stability and safety of the feeding, in one embodiment, the first frame plate 1140 includes two first fixing plates, and the two first fixing plates are connected to form a first predetermined included angle, where the first predetermined included angle is 90 degrees to 180 degrees. It can be understood that the first arc plate 110 is connected with the second arc plate 120 to form the avoiding cavity 114, the first frame 1140 is connected with the second frame 1150 to form the feeding cavity 112, the feeding cavity 112 is communicated with the feeding port, the first frame 1140 is connected with the first arc plate 110, and the second frame 1150 is connected with the second arc plate 120, so that the feeding cavity 112 is communicated with the avoiding cavity 114. On one hand, the avoiding cavity 114 is communicated with the blanking cavity 122, so that the crushing operation of the wood by the crushing movable cutter assembly 300 can be facilitated; on the other hand, the avoiding cavity 114 is larger than the feeding cavity 112, and can disperse the wood coming from the feeding cavity 112, so that the crushing effect of the wood is improved. However, since the avoiding cavity 114 is communicated with the blanking cavity 122 to form the crushing cavity, and the feeding cavity 112 is communicated with the avoiding cavity 114, the hammer cutter in the crushing cavity easily throws the wood into the feeding hole when rotating at a high speed, thereby affecting the feeding of the wood. In this embodiment, first frame version 1140 includes two first fixed plates, and two first fixed plates are connected and are formed first predetermined contained angle, and first predetermined contained angle is 120 degrees, so, timber that throws away from crushing intracavity can receive blockking of first frame version 1140 when the feeding chamber 112 to prevent that the timber of crushing intracavity from throwing away in the feed inlet, and then improve the stability and the security of feeding.

As shown in fig. 1 and 4, in order to improve the wood crushing efficiency, in one embodiment, the second frame plate 1150 includes two second fixing plates, and the two second fixing plates are connected to form a second predetermined included angle, where the second predetermined included angle is 90-180 degrees; the two first fixing plates and the two second fixing plates are arranged in a one-to-one correspondence mode, and each first fixing plate is parallel to the corresponding second fixing plate. It is understood that the first frame plate 1140 is connected to the second frame plate 1150 to form the feeding cavity 112, the feeding cavity 112 is communicated with the feeding port, the first frame plate 1140 is connected to the first arc plate 110, and the second frame plate 1150 is connected to the second arc plate 120, so that the feeding cavity 112 is communicated with the avoiding cavity 114, and the avoiding cavity 114 is communicated with the discharging cavity 122. That is, the wood to be crushed enters the feeding cavity 112 through the feeding port and then enters the crushing cavity to be crushed. And after the wood to be crushed enters the crushing cavity, the wood is easily concentrated at one point, so that the crushing efficiency of the wood is influenced, and even the crushing cutter is clamped by the wood. In this embodiment, the second frame plate 1150 includes two second fixing plates, and the two second fixing plates are connected to form a second preset included angle, where the second preset included angle is 120 degrees; the two first fixing plates and the two second fixing plates are arranged in a one-to-one correspondence mode, and each first fixing plate is parallel to the corresponding second fixing plate. Thus, after the wood to be crushed falls into the feeding cavity 112 through the feeding hole, the wood to be crushed can collide with the second frame plate 1150, so that the wood to be crushed is dispersed, and uniformly falls into the avoiding cavity 114, and then enters the crushing cavity, and the crushing efficiency of the wood can be effectively improved.

In one embodiment, the edges of the first protrusion 1122 and the second protrusion 1132 form an included angle of 90 degrees. It can be understood that the first arc plate 1120 comprises a plurality of first connecting plates 1120a, the plurality of first connecting plates 1120a are sequentially connected in an overlapping manner, a step-shaped first protruding portion 1122 is formed at a connection portion between two adjacent first connecting plates 1120a, and a step edge of the first protruding portion 1122 forms a natural first fixed knife. The second arc plate 1130 includes a plurality of second connecting plates 1130a, and a plurality of second connecting plates 1130a overlap in proper order and connect, and the junction between two adjacent second connecting plates 1130a forms step-like second projecting portion 1132, and the step edge of second projecting portion 1132 forms natural second stationary knife. And smash rotatory crushing cutter when moving the rotor operation in the sword subassembly of moving is for moving the sword, and when timber reducing mechanism was in the operation, timber constantly obtains striking and shearing between moving sword and first stationary knife and second stationary knife to improve crushing efficiency greatly, increase crushing output. In this embodiment, the edge of the first and second protruding portions 1122, 1132 is at a 90 degree included angle, so that the wood can collide with the first and second protruding portions 1122, 1132 at the maximum area when rotating along with the shredding cutter, thereby improving the shredding efficiency of the wood and simultaneously shredding the wood more thoroughly.

As shown in fig. 1 and 4, in one embodiment, the first arc plate 1120 is provided with a first auxiliary stop 1160, the first auxiliary stop 1160 is located in the avoiding cavity 114 and connected with the first arc plate 1120, and the first auxiliary stop 1160 is disposed toward the circumferential direction of the crushing moving blade assembly 300. The first arc plate 1120 is provided with a first auxiliary stop 1160, the first auxiliary stop 1160 is positioned in the avoiding cavity 114 and connected with the first arc plate 1120, and the first auxiliary stop 1160 is arranged towards the circumferential direction of the crushing movable cutter assembly 300. It can be appreciated that when the wood pulverizing apparatus 10 pulverizes a small piece of wood, it is not easy to cut the small piece of wood due to the large distance between the pulverizing cutter 320 and the first arc plate 1120. In this embodiment, the first arc plate 1120 is provided with a first auxiliary stop 1160, the first auxiliary stop 1160 is located in the avoiding cavity 114 and connected with the first arc plate 1120, and the first auxiliary stop 1160 is disposed towards the circumferential direction of the crushing movable blade assembly 300. The first arc plate 1120 is provided with a first auxiliary stop 1160, the first auxiliary stop 1160 is positioned in the avoiding cavity 114 and connected with the first arc plate 1120, and the first auxiliary stop 1160 is arranged towards the circumferential direction of the crushing movable cutter assembly 300. Thus, the first arc plate 1120 forms a fixed knife closer to the crushing knife 320 than the first protrusion, and the first auxiliary stop 1160 is disposed toward the circumference of the crushing knife assembly 300, so that the smaller wood passing between the first arc plate 1120 and the crushing knife 320 is further crushed, and the crushing effect of the wood is effectively improved.

As shown in fig. 1 and fig. 4, in one embodiment, the second arc plate 1130 is provided with a second auxiliary stop 1170, the second auxiliary stop 1170 is located in the avoiding cavity 114 and connected to the second arc plate 1130, and the second auxiliary stop 1170 is disposed toward the circumferential direction of the crushing moving blade assembly 300. It can be appreciated that when the wood pulverizing apparatus 10 pulverizes a smaller piece of wood, it is not easy to shear the smaller piece of wood because the pulverizing cutter 320 is spaced apart from the second arc plate 1130 by a large distance. In this embodiment, the second arc plate 1130 is provided with a second auxiliary stop 1170, the second auxiliary stop 1170 is located in the avoiding cavity 114 and connected to the second arc plate 1130, and the second auxiliary stop 1170 is disposed toward the circumference of the crushing moving blade assembly 300. So, form the stationary knife that is closer to crushing cutter 320 than the second bulge at second arc panel 1130, and second auxiliary stop 1170 sets up towards the circumference of smashing moving cutter subassembly 300, makes the less timber that passes through between second arc panel 1130 and the crushing cutter 320 obtain further smashing, and then promotes the crushing effect of timber effectively.

As shown in fig. 1, in one embodiment, the feeding hopper 200 is provided with a feeding port 214 and a feeding port 216, the feeding port 216 is provided at one side of the feeding hopper 200 and is respectively communicated with the feeding cavity 112 and the material placing cavity 212, the feeding port 214 is provided at the other side of the feeding hopper 200 and is communicated with the material placing cavity 212, and a feeding direction of the feeding port 214 is perpendicular to a discharging direction of the feeding port 216, as shown in fig. 1, f is a feeding direction. It will be appreciated that wood to be shredded enters the loading chamber 212 of the hopper 200 through the inlet 214 and then passes through the inlet chamber 112 into the shredding chamber for shredding. Due to the centrifugal force of the crushing cutter 320, the wood added from the front side to be crushed is easily thrown away directly, thereby affecting the feeding and crushing effect. In this embodiment, the feeding hopper 200 is provided with a feeding port 214 and a feeding port 216, the feeding port 216 is provided at one side of the feeding hopper 200 and is respectively communicated with the feeding cavity 112 and the material placing cavity 212, the feeding port 214 is provided at the other side of the feeding hopper 200 and is communicated with the material placing cavity 212, and the feeding direction of the feeding port 214 is perpendicular to the discharging direction of the feeding port 216. Further, a buffer plate 210 is arranged between the feeding port 214 and the feeding port 216, so that wood to be crushed can slowly slide into the feeding cavity 112 from the feeding port 214 and be crushed, and feeding is more uniform and stable.

In one embodiment, the pulverizing mechanism 300 further includes a fastening assembly, by which the pulverizing cutter 320 is connected with the rotary cylinder 310. It can be appreciated that as the number of uses increases, the crushing cutter 320 is easily worn and needs to be replaced if necessary. In this embodiment, the pulverizing mechanism 300 further includes a fastening member, and the pulverizing cutter 320 is connected to the rotary cylinder 310 through the fastening member, thereby making the pulverizing cutter 320 more robust during operation. In addition, when the crushing cutter 320 is worn, the crushing cutter 320 can be detached from the rotary cylinder 310 by the fastening assembly, thereby making the replacement of the crushing cutter 320 more convenient.

In one embodiment, the fastening assembly comprises a bolt and a nut, a tool rest is arranged on the outer peripheral wall of the rotating cylinder, a first through hole is formed in the tool rest, a second through hole is formed in one end of the crushing tool, the bolt sequentially penetrates through the first through hole, the second through hole and the nut, and the crushing tool is fixed to the tool rest by rotating the nut. When the cutter is replaced, the worn crushing cutter 320 can be conveniently detached from the cutter holder by unscrewing the nut from the bolt, so that the replacement of the crushing cutter 320 is more convenient. Further, fastening components still includes the gasket, and the third through-hole has been seted up to the gasket, and the bolt wears to locate first through-hole, second through-hole, third through-hole and nut in proper order to be fixed in the gasket between knife rest and the nut, and then slow down the wearing and tearing between knife rest and the nut, make the connection between knife rest and the nut more stable simultaneously.

In one embodiment, the screen 500 is detachably connected to the second frame 120. It is understood that the screen 500 is disposed on the inner wall of the second frame 120, and a second fixed knife is disposed on a side of the screen 500 close to the crushing cutter 320. The screen 500 not only can filter the wood, but also can move the knife when the crushing cutter 320 in the crushing cavity rotates along with the rotary cylinder 310, so that the wood to be crushed is impacted and sheared between the moving knife and the second fixed knife, thereby further improving the crushing efficiency, increasing the crushing yield and ensuring that the wood is crushed more thoroughly. In this embodiment, the screen 500 is detachably connected to the second frame 120, so that the screen 500 can be easily replaced and assembled on the second frame 120.

As shown in fig. 1 and 5, in one embodiment, the screen 500 has an arc shape, and the arc of the screen 500 is the same as the movement track of the crushing cutter 320. It can be understood that the screen 500 is disposed on the inner wall of the second frame 120, and the side of the screen 500 close to the crushing cutter 320 is provided with a second fixed knife, so that when the crushing cutter 320 in the crushing cavity operates with the rotary cylinder 310 to form a moving knife, the wood to be crushed is impacted and sheared between the moving knife and the second fixed knife, thereby further improving the crushing efficiency. In this embodiment, the screen 500 is arc-shaped, and the radian of the screen 500 is the same as the movement track of the crushing cutter 320, so as to further increase the contact area between the wood and the second stationary knife, further improve the crushing efficiency, increase the crushing yield, and make the wood crushing more thorough.

As shown in fig. 1, 4 and 5, in one embodiment, the screen unit 510 is a flat screen plate, and two sides of the flat screen plate are planar and parallel to each other. It can be understood that two adjacent screen cloth monomers 510 are connected, can conveniently make up a plurality of screen cloth monomers 510 as required and connect into the arc, make the shape of screen cloth and the movement track looks adaptation of hammer sword to make the collision of timber between hammer sword and stationary knife more abundant with the shearing, and then make timber smash more thoroughly, improve ligneous crushing efficiency greatly, increase crushing output. In this embodiment, the screen unit 510 is a flat screen plate, and two sides of the flat screen plate are both flat and parallel to each other. It is a plurality of screen cloth monomer 510 superposes in proper order and connects, makes the junction between two adjacent screen cloth monomers 510 form the second stationary knife of step-like, and the crushing cutter of crushing cutter 320 forms along with the rotation of rotor and moves the sword, so, timber can constantly take place to strike and cut moving between sword and the second stationary knife, thereby improve ligneous crushing efficiency greatly, increase crushing output, timber is after the shearing of moving the sword, continue to collide on the stationary knife, cut simultaneously, thereby make timber can smash ground more thoroughly, and then avoid effectively that screen hole 512 in the screen cloth board causes the jam.

In one embodiment, two adjacent screen monomers 510 are welded, that is, any two adjacent screen monomers 510 are fixed by welding. It can be understood that the screen 500 includes a plurality of screen monomers 510, and the plurality of screen monomers 510 are sequentially connected in an overlapping manner, so that a connecting portion between two adjacent screen monomers 510 forms a step-shaped second fixed knife. In this embodiment, two adjacent screen cloth monomers 510 weld, can conveniently make up a plurality of screen cloth monomers 510 as required and weld into the arc, make the shape of screen cloth and crushing cutter 320's movement track looks adaptation to make timber collision between crushing cutter 320 and stationary knife more abundant with cuting, and then make timber smash more thoroughly, improve ligneous crushing efficiency greatly, increase crushing output. In addition, because screen cloth 500 is formed by the superposition of polylith straight screen cloth board, adopt the welding mode can improve screen cloth 500's wholeness and save welding material.

In one embodiment, the gap between the crushing cutter and each of the screen units 510 is 5mm to 10 mm. It will be appreciated that, in order to avoid the crushing cutter from hitting the screen 500, the crusher crushing cutter is generally designed to have a certain clearance from the surface of the screen 500. However, if the gap between the shredding cutter 320 and the surface of the screen 500 is large, the thin wood is very easy to be brought into the surface of the screen 500 by the shredding cutter 320 which operates at a high speed, and the thin wood may not be shredded and even be stuck on the surface of the screen 500 due to the large gap between the shredding cutter 320 and the surface of the screen 500, thereby causing jamming. In the present embodiment, the gap between the crushing cutter 320 and each of the mesh units 510 is 5mm, which enables the crushing cutter 320 to effectively shear the thin wood. Meanwhile, the connection part between the straight screen plates forms a step-shaped convex part, and the step edge of the convex part forms a natural fixed knife, so that the wood sheared by the crushing cutter 320 collides and shears at the fixed knife again before falling into the screen holes 512 of the screen 500, the wood is crushed more thoroughly, and the wood is effectively prevented from being clamped on the surface of the screen 500.

In one embodiment, each of the screen cells 510 has a thickness of 5mm to 20 mm. It can be understood that a plurality of screen monomers 510 form the screen 500 by welding, stepped protrusions are formed at the joints between the screen monomers 510, and the step edges of the protrusions form a natural fixed knife. The wood to be crushed is continuously collided at the fixed knife by the rotation of the crushing cutter, so that the abrasion of the screen 500 is fast. In this embodiment, the thickness of the screen cloth unit 510 is 15mm, which can effectively improve the wear resistance of the screen cloth 500, and simultaneously increase the contact area between the wood to be crushed and the protruding portion, thereby further improving the crushing efficiency of the wood and increasing the crushing yield.

As shown in fig. 1 to 3, in one embodiment, the wood pulverizer further includes a frame 600, the frame 600 is connected to the second frame body 120, the second frame body 120 is provided with a discharge port communicated with the pulverizing cavity, the frame 600 is provided with a receiving cavity communicated with the discharge port, the discharge port is used for discharging the pulverized wood in the pulverizing cavity, and the receiving cavity is communicated with the discharge port, so as to facilitate further centralized processing of the wood discharged from the discharge port.

As shown in fig. 1 and 4, in one embodiment, the second frame 120 includes a main frame 1220, a first bracket 1230, and a second bracket 1240, the first bracket 1230 is connected to one end of the main frame 1220, the second bracket 1240 is connected to one end of the main frame 1220 far from the first bracket 1230, the main frame 1220, the first bracket 1230, and the second bracket 1240 are connected to form a receiving cavity, and the flat screen plate is disposed in the receiving cavity.

As shown in fig. 4, the discharge hole is further provided with a first baffle 1250 and a second baffle 1260, the first baffle 1250 and the second baffle 1260 are respectively disposed at two sides of the discharge hole, the first baffle 1240 is connected with the first bracket, an included angle of 30-60 degrees is formed between the first baffle 1250 and the first bracket 1230, the second baffle 1260 is connected with the second bracket 1240, and an included angle of 30-60 degrees is formed between the second baffle 1250 and the second bracket. So, when the well smashed timber spills from the sieve mesh 512 of screen cloth 500 board, first baffle 1250 and second baffle 1260 bump with timber, make timber to the landing in discharge gate middle part, and then are favorable to collecting the well smashed timber.

As shown in fig. 1 to 3, in one embodiment, the wood pulverizer 10 further includes a discharging device 700, the discharging device 700 is disposed through the accommodating cavity, the discharging device 700 is disposed corresponding to the discharging hole, and the discharging device 700 is configured to discharge the pulverized wood, so that the pulverized wood is discharged through the discharging device 700. In this embodiment, the discharging device 700 is a screw conveyor, and when the screw shaft rotates, the wood material moves forward along the bottom of the screw conveyor under the pushing of the blades due to the gravity of the wood material and the friction force generated between the wood material and the wall of the trough body. Spiral delivery mechanism can realize sealed transport, avoids the timber after smashing to fly upward in external environment at the ejection of compact in-process, and timber can obtain further the ground simultaneously in transportation process to promote the crushing degree of timber effectively.

The existing wood is often directly sprayed to the environment outside sawdust particles during crushing and discharging, great dust is often generated during operation, and meanwhile, when the surrounding wind force is great, the wood cannot be stacked together frequently and needs manual collection. To effectively remove dust from air and facilitate the collection of shredded wood. In one embodiment, the wood pulverizer 10 further comprises a dust collection bag connected to the discharge device 700. The effect of the air blower and the control of the wind power of the air blower are utilized to ensure that the granular timber cannot be blown up, the air with dust is continuously blown to the dust removal cloth bag by the air blower, the air is discharged out of the timber crusher 10 after being subjected to dust removal by the cloth bag, and the timber is discharged from a discharge hole of the spiral conveying device. Furthermore, the air generated by the air blower is hot air, so that the drying operation is carried out on the wood while dust is removed, and the wood is convenient to further treat subsequently.

In one embodiment, the projections are disposed toward a circumferential direction of the rotor. It can be understood that the crushing cutters of the crushing cutter 320 assembly form moving cutters along with the rotation of the rotor, the step edges of the protruding parts form natural fixed cutters, and the wood can be continuously impacted and sheared between the moving cutters and the fixed cutters, so that the crushing efficiency of the wood is greatly improved, and the crushing yield is increased. In this embodiment, the bulge is towards the circumference setting of rotor, so, can make timber the striking area maximize between moving sword and stationary knife to further improve ligneous crushing efficiency, increase crushing output, make ligneous crushing degree higher.

Compared with the prior art, the utility model has at least the following advantages:

1. the wood crusher comprises a crusher body, a first frame body, a second frame body, a feeding cavity, a first avoiding cavity, a second avoiding cavity, a crushing cavity and a first fixing cutter, wherein the first frame body is connected with the second frame body, the feeding cavity and the first avoiding cavity are communicated with each other, the second avoiding cavity is communicated with the first avoiding cavity to form the crushing cavity, the first fixing cutter is arranged in the first frame body, and when the crushing cutter in the crushing cavity rotates along with the rotary cylinder body to form the movable cutter, the wood to be crushed is impacted and sheared between the movable cutter and the first fixing cutter, so that the crushing efficiency is greatly improved, and the crushing yield is increased.

2. The screen of the wood pulverizer is arranged on the inner wall of the second frame body, the screen comprises a plurality of screen monomers, the screen monomers are sequentially connected in an overlapping mode, a step-shaped second fixed cutter is formed at the joint between every two adjacent screen monomers, and each screen monomer is provided with a plurality of screen holes. The crushing cutter in the crushing cavity forms the movable cutter along with the rotation of the rotary cylinder body, so that wood to be crushed is impacted and sheared between the movable cutter and the second fixed cutter, the crushing efficiency is further improved, the crushing yield is increased, the wood is crushed more thoroughly, and the wood is prevented from being blocked in sieve holes.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A wood pulverizer, comprising:

the machine body comprises a first frame body and a second frame body, the first frame body is connected to the second frame body, the first frame body is provided with a feeding cavity and a first avoiding cavity which are communicated, the second frame body is provided with a second avoiding cavity, the second avoiding cavity is communicated with the first avoiding cavity to form a crushing cavity, and a first fixed cutter is arranged inside the first frame body;

the feeding hopper is connected to the first frame body, a material placing cavity is formed in the feeding hopper, and the material placing cavity is communicated with the crushing cavity through the feeding cavity;

the crushing mechanism comprises a rotary cylinder and a crushing cutter, the rotary cylinder is positioned in the crushing cavity and is rotationally connected with the machine body, and the crushing cutter is arranged on the outer peripheral wall of the rotary cylinder;

the driving device is arranged on the machine body, a power output end of the driving device is connected with the rotary cylinder body, and the driving device is used for driving the rotary cylinder body to rotate relative to the machine body;

the screen cloth, the screen cloth is located the inner wall of second framework, the screen cloth includes a plurality of screen cloth monomers, and is a plurality of the screen cloth monomer superposes in proper order and connects, makes adjacent two junction between the screen cloth monomer forms the second stationary knife of step form, each a plurality of sieve meshes have been seted up on the screen cloth monomer.

2. The wood pulverizer of claim 1, wherein the first frame and the second frame are removably connected.

3. The wood pulverizer as defined in claim 1, wherein the hopper is provided with a feeding port and a feeding port, the feeding port is provided at one side of the hopper and is respectively communicated with the feeding chamber and the material placing chamber, the feeding port is provided at the other side of the hopper and is communicated with the material placing chamber, and a feeding direction of the feeding port is perpendicular to a discharging direction of the feeding port.

4. The wood pulverizer of claim 1, wherein the pulverizing mechanism further comprises a fastening assembly by which the pulverizing cutter is connected with the rotary cylinder.

5. The wood pulverizer as defined in claim 4, wherein the fastening assembly includes a bolt and a nut, a tool rest is provided on an outer peripheral wall of the rotary cylinder, the tool rest is provided with a first through hole, one end of the pulverizing cutter is provided with a second through hole, the bolt is sequentially inserted through the first through hole, the second through hole and the nut, and the pulverizing cutter is fixed to the tool rest by rotating the nut.

6. The wood pulverizer of claim 1, wherein the screen is removably attached to the second frame.

7. The wood pulverizer of claim 1, wherein the screen has an arc shape, and the arc of the screen is the same as the movement path of the pulverizing cutter.

8. The wood pulverizer as defined in any one of claims 1 to 7, further comprising a frame, wherein the frame is connected to the second frame body, the second frame body is provided with a discharge port communicated with the pulverizing chamber, the frame is provided with an accommodating chamber, and the accommodating chamber is communicated with the discharge port.

9. The wood pulverizer as defined in claim 8, further comprising a discharging device, wherein the discharging device is disposed through the receiving cavity, the discharging device is disposed corresponding to the discharging hole, and the discharging device is used for discharging pulverized wood.

10. The wood pulverizer of claim 9, further comprising a dust collection cloth bag connected to the discharge device.

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