CN215541473U - Wood crushing equipment and crushing mechanism thereof - Google Patents
Wood crushing equipment and crushing mechanism thereof Download PDFInfo
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- CN215541473U CN215541473U CN202120501705.7U CN202120501705U CN215541473U CN 215541473 U CN215541473 U CN 215541473U CN 202120501705 U CN202120501705 U CN 202120501705U CN 215541473 U CN215541473 U CN 215541473U
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- 239000002023 wood Substances 0.000 title claims abstract description 83
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 8
- 238000010298 pulverizing process Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
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Abstract
The application provides a timber crushing apparatus and rubbing crusher constructs thereof. The crushing mechanism of the wood crushing device comprises a screen assembly, a rack, a driving assembly and a crushing cutter assembly. The frame comprises a main frame body, a first support and a second support, the first support is connected to one end of the main frame body, the second support is connected to one end, far away from the first support, of the main frame body, and the main frame body, the first support and the second support are connected to form an accommodating cavity; the screen assembly is arranged in the accommodating cavity and comprises a plurality of screen plates, the screen plates are sequentially connected to form a crushing cavity, two adjacent screen plates are overlapped and connected, so that a step-shaped protruding part is formed at the joint between the two adjacent screen plates, and each screen plate is provided with a plurality of screen holes; the driving assembly is arranged on the main frame body; the crushing cutter component is arranged in the crushing cavity. The crushing mechanism of the wood crushing device can crush wood more thoroughly and has higher crushing efficiency.
Description
Technical Field
The utility model relates to the technical field of solid waste treatment, in particular to wood crushing equipment and a crushing mechanism thereof.
Background
The crusher is one common apparatus for crushing rod and particle material and has the operation principle that shaft is set inside cylindrical or similar cylindrical crusher casing, blades are distributed homogeneously in the axial direction of the shaft, and the motor drives the shaft to rotate to crush material inside the crusher.
At present, a hammer mill is mostly adopted for wood crushing, wood to be crushed enters a crushing cavity of the crusher through a feed port, the aim of crushing is achieved through high-speed hammering and collision of hammer sheets of the crusher, and crushed fine wood chips are discharged out of the crusher through a screen of the crusher. However, when the hammer of the pulverizer pulverizes wood, the larger pieces of wood are likely to be pulverized insufficiently, so that the pulverized wood blocks the screen, and the efficiency of wood pulverization is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide wood crushing equipment and a crushing mechanism thereof, wherein the wood crushing equipment can crush wood more thoroughly and has higher crushing efficiency, and the wood crushing mechanism can prevent the wood from causing screen blockage.
The purpose of the utility model is realized by the following technical scheme:
a shredder mechanism of a wood shredding apparatus comprising:
the frame comprises a main frame body, a first support and a second support, the first support is connected to one end of the main frame body, the second support is connected to one end, far away from the first support, of the main frame body, and the main frame body, the first support and the second support are connected to form an accommodating cavity;
the screen assembly is arranged in the accommodating cavity and comprises a plurality of screen plates, the plurality of screen plates are sequentially connected to form a crushing cavity, two adjacent screen plates are connected in an overlapping mode, a step-shaped protruding part is formed at the joint between the two adjacent screen plates, and each screen plate is provided with a plurality of screen holes;
the driving assembly is arranged on the main frame body;
the crushing cutter assembly is arranged in the crushing cavity and comprises a rotor and a hammer, the rotor is fixedly connected with a power shaft of the driving assembly, the hammer is arranged on the periphery of the rotor, and two ends of the rotor are respectively penetrated through the first support and the second support.
In one embodiment, two adjacent screen panels are welded.
In one embodiment, the gap between the hammer and each screen plate is 5 mm-10 mm.
In one embodiment, each of the screen panels is a straight screen panel.
In one embodiment, each of the screen plates has a thickness of 5mm to 20 mm.
In one embodiment, each screen plate is detachably connected with the frame.
In one embodiment, a plurality of positioning grooves are formed in the inner peripheral wall of the accommodating cavity, and the plurality of screen plates are arranged in the plurality of positioning grooves in a one-to-one correspondence manner.
In one embodiment, the projections are disposed toward a circumferential direction of the rotor.
In one embodiment, the protruding direction of the protruding portion is parallel to the radial direction of the rotor.
A wood reducing apparatus comprising a reducing mechanism as in any one of the embodiments above.
Compared with the prior art, the utility model has at least the following advantages:
because screen cloth subassembly includes a plurality of screen cloth boards, and a plurality of screen cloth boards connect gradually and form crushing chamber, and two adjacent screen cloth boards stack and connect, make the junction between two adjacent screen cloth boards form the bulge of step form, and the step edge of a knife or a sword of bulge forms nature stationary knife. And the hammer leaf of smashing cutter subassembly forms along with the rotation of rotor and moves the sword, so, timber can take place to strike constantly and cut moving between sword and the stationary knife to improve ligneous crushing efficiency greatly, increase crushing output, timber is after moving the shearing of sword, and continue to collide, cut on the stationary knife simultaneously, thereby make timber can smash more thoroughly, and then avoid the sieve mesh in the screen cloth board to cause the jam effectively.
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 shredder mechanism of a wood shredding apparatus according to an embodiment;
FIG. 2 is a schematic view of the screen assembly of the shredder mechanism of the wood shredding machine of FIG. 1;
fig. 3 is a schematic view showing the construction of the wood pulverizing apparatus 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 to 3, a crushing mechanism 10 of a wood crushing apparatus of an embodiment includes a screen assembly 100, a frame 200, a crushing cutter assembly 300, and a driving assembly 400. The frame 200 comprises a main frame body 210, a first bracket 220 and a second bracket 230, the first bracket 210 is connected to one end of the main frame body 210, the second bracket 230 is connected to one end of the main frame body 210 far away from the first bracket 220, and the main frame body 210, the first bracket 220 and the second bracket 230 are connected to form an accommodating cavity; the screen assembly 100 is arranged in the accommodating cavity, the screen assembly 100 comprises a plurality of screen plates 110, the plurality of screen plates 110 are sequentially connected to form a crushing cavity 112, two adjacent screen plates 110 are connected in an overlapping manner, so that a step-shaped protruding part is formed at the joint between the two adjacent screen plates 110, and each screen plate 110 is provided with a plurality of screen holes; the driving assembly 400 is arranged on the main frame body 210; the crushing cutter assembly 300 is disposed in the crushing cavity 112, the crushing cutter assembly 300 includes a rotor 310 and a hammer blade 320, the rotor 310 is fixedly connected to the power shaft of the driving assembly 400, the hammer blade 320 is disposed at the periphery of the rotor 310, and two ends of the rotor 310 are respectively inserted into the first bracket 220 and the second bracket 230.
The crushing mechanism 10 of the wood crushing device has the advantages that the screen assembly 100 comprises the screen plates 110, the screen plates 110 are sequentially connected to form the crushing cavity, two adjacent screen plates 110 are connected in an overlapping mode, the connecting part between the two adjacent screen plates 110 forms the step-shaped protruding part, and the step edge of the protruding part forms a natural fixed cutter. The hammer blade 320 of the smashing cutter component 300 forms the movable cutter along with the rotation of the rotor 310, so that the wood can be continuously impacted and sheared between the movable cutter and the fixed cutter, the smashing efficiency of the wood is greatly improved, the smashing yield is increased, meanwhile, the wood is continuously collided and sheared on the fixed cutter after being sheared by the movable cutter, the wood can be smashed more thoroughly, and the blockage caused by sieve pores 114 in the sieve plate 110 is effectively avoided. In addition, since the screen assembly 100 is formed by stacking a plurality of screen plates 110, the screen plate 110 which is separated from each other is adopted, so that the screen assembly 100 can be more conveniently assembled.
Further, the main frame body 210, the first support 220 and the second support 230 are connected to form an accommodating cavity, and the screen plate 110 is disposed in the accommodating cavity, so that the frame 200 can fix and support the screen assembly 100, and the stability of the wood when impacting the screen plate 110 is improved. The crushing cutter assembly 300 is arranged in the crushing cavity 112, the crushing cutter assembly 300 comprises a rotor 310 and a hammer sheet 320, the rotor 310 is fixedly connected with a power shaft of the driving assembly, the hammer sheet 320 is arranged on the periphery of the rotor 310, and two ends of the rotor 310 are respectively arranged on the first support 220 and the second support 230 in a penetrating manner. When the power shaft of the driving assembly drives the rotor 310 to rotate, the rotor 310 generates high-speed airflow to rotate along with the direction of the hammer sheet 320, and the wood is accelerated in the airflow and continuously collided and sheared between the step-shaped protruding part of the screen and the hammer sheet 320, so that the wood is crushed more thoroughly, the crushing efficiency of the wood is greatly improved, and the crushing yield is increased.
In one embodiment, two adjacent screen plates 110 are welded, that is, any two adjacent screen plates are connected and fixed by welding. It will be appreciated that the screen assembly 100 includes a plurality of screen panels 110, the plurality of screen panels 110 being connected in series to form a crushing chamber 112. In this embodiment, two adjacent sieve net boards 110 weld, can conveniently make up welding polylith sieve net board 110 into the arc as required, 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 cuting, and then make timber smash more thoroughly, improve ligneous crushing efficiency greatly, increase crushing output. In this embodiment, the screen panel 110 is straight screen panel 110, and the two sides of straight screen panel 110 are the plane and are parallel to each other, because screen pack 100 includes a plurality of screen panels 110, and a plurality of screen panels 110 connect gradually and form crushing chamber, and straight screen panel 110 can make screen pack 100's processing and welding more convenient, adopts the welding mode simultaneously can improve screen pack 100's an organic whole nature and save welding material.
In one embodiment, the gap between the hammer 320 and each screen plate 110 is 5mm to 10 mm. It will be appreciated that to avoid the hammers 320 from hitting the screen, the shredder hammers 320 are typically designed to have some clearance from the screen surface. However, if the gap between the hammer 320 and the surface of the screen plate 110 is large, the thin wood is very easily brought into the surface of the screen plate 110 by the hammer 320 running at a high speed, and the thin wood may not be crushed and even be stuck on the surface of the screen plate 110 due to the large gap between the hammer 320 and the surface of the screen plate 110, thereby causing jamming. In the present embodiment, the gap between the hammer 320 and each screen plate 110 is 5mm, which enables the hammer 320 to effectively shear the thinner wood. Meanwhile, the connection part between the screen plates 110 forms a step-shaped protruding part, and the step edge of the protruding part forms a natural fixed knife, so that the timber sheared by the hammer knife collides and is sheared again at the fixed knife before falling into the screen holes 114 of the screen, the timber is crushed more thoroughly, and the timber is effectively prevented from being clamped on the surface of the screen.
In one embodiment, each screen panel 110 has a thickness of 5mm to 20 mm. It can be understood that the screen panel assembly 100 is composed of a plurality of screen panels 110 by welding, the joints between the screen panels 110 form step-shaped projections, and the step edges of the projections form natural fixed knives. The wood to be crushed is continuously collided at the stationary knife by the rotation of the hammer 320, so that the screen assembly 100 is rapidly worn. In this embodiment, the thickness of the screen plate 110 is 15mm, which can effectively improve the wear resistance of the screen assembly 100, and simultaneously increase the contact area between the wood to be crushed and the protruding part, thereby further improving the crushing efficiency of the wood and increasing the crushing yield.
In one embodiment, a discharge port is provided below the screen assembly 100. It will be appreciated that after the wood has been comminuted, the comminuted wood leaks through the apertures 114 of the screen panel 110. In this embodiment, a discharge port is provided below the screen assembly 100, and when the hammer 320 and the steps in the screen assembly 100 crush the wood, the crushed wood rapidly passes through the screen holes 114 due to the high-speed air flow generated by the rotor 310. Because screen cloth subassembly 100 is the arc form, makes the timber of throwing away from sieve mesh 114 comparatively disperse, can concentrate timber to a department through the discharge gate and collect to make rubbing crusher's the ejection of compact more convenient.
Further, the discharge hole is further provided with a first baffle and a second baffle, the first baffle and the second baffle are respectively arranged on two sides of the discharge hole, the first baffle is connected with the first support 220, an included angle of 30-60 degrees is formed between the first baffle and the first support 220, the second baffle is connected with the second support 230, and an included angle of 30-60 degrees is formed between the second baffle and the second support 230. Thus, when the crushed wood leaks out from the sieve holes 114 of the sieve plate 110, the first baffle and the second baffle collide with the wood, so that the wood slides down to the middle of the discharge hole, and the crushed wood is collected.
In one embodiment, each screen panel 110 is removably attached to the frame 200. It will be appreciated that the screen assembly 100 includes a plurality of screen panels 110, the plurality of screen panels 110 being connected in series to form a crushing chamber 112. The connection between two adjacent screen plates 110 forms a step-shaped protruding part, when the hammer 320 of the smashing cutter component 300 forms a moving knife along with the rotation of the rotor 310, the step edge of the protruding part forms a natural fixed knife, and the wood to be smashed continuously collides and shears between the moving knife and the fixed knife, so that the wood can be smashed more thoroughly. And the mesh plate 110, which is a stationary knife, is also worn during the pulverizing operation. In this embodiment, each screen plate 110 is detachably connected to the frame 200, so that the screen plates 110 seriously worn are conveniently replaced, and the crushing efficiency of wood is effectively ensured.
In one embodiment, a feed inlet is provided above the pulverization chamber 112. When the hammer 320 rotates along with the rotor 310, the wood to be crushed falls into the crushing cavity 112 from the feeding hole, the hammer 320 rotates to generate high-speed airflow, and the wood to be crushed is accelerated and repeatedly impacted in the high-speed airflow, so that the wood is sufficiently crushed.
Further, a feeding device is further arranged between the feeding port and the crushing cavity 112, the feeding device comprises a first arc plate, a second arc plate, a first frame plate and a second frame plate, the first frame plate is connected with the first arc plate, the second frame plate is connected with the second arc plate, the first arc plate is further connected with the second arc plate to form a position avoiding cavity, and the first frame plate is further connected with the second frame plate to form a feeding cavity communicated with the position avoiding cavity; the first arc plate is connected to the first bracket 220 and the second arc plate is connected to the second bracket 230.
In one embodiment, the first frame plate 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 90-180 degrees. It can be understood that the first arc plate and the second arc plate are connected to form a avoiding cavity, the first frame plate and the second frame plate are connected to form a feeding cavity, the feeding cavity is communicated with the feeding hole, the first frame plate is connected with the first arc plate, and the second frame plate is connected with the second arc plate, so that the feeding cavity is communicated with the avoiding cavity. On one hand, the avoiding cavity is communicated with the crushing cavity, so that the crushing operation of the wood by the crushing movable cutter assembly can be facilitated; on the other hand, keep away the position chamber and be greater than the feeding chamber, can play the dispersion to the timber that comes in from the feeding chamber to promote the crushing effect of timber. However, the avoiding cavity is communicated with the crushing cavity, the feeding cavity is communicated with the avoiding cavity, and when the hammer cutter in the crushing cavity rotates at a high speed, the hammer cutter easily throws wood into the feeding hole, so that the feeding of the wood is influenced. In this embodiment, first deckle board 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 the degree, so, timber that throws away from crushing intracavity can receive blockking of first deckle board when the feeding chamber 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.
In one embodiment, the second frame plate 140 includes two second fixing plates connected to form a second predetermined included angle, and 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 can be understood that the first frame plate and the second frame plate are connected to form a feeding cavity, the feeding cavity is communicated with the feeding port, the first frame plate is connected with the first arc plate, and the second frame plate is connected with the second arc plate, so that the feeding cavity is communicated with the avoiding cavity, and the avoiding cavity is communicated with the crushing cavity. That is to say, the wood to be crushed enters the feeding cavity from the feeding hole and then enters the crushing cavity to be crushed. After wood to be crushed enters the crushing cavity, the wood is easy to concentrate at one point, so that the crushing efficiency of the wood is influenced, and even the hammer is clamped by the wood. In this embodiment, the second frame plate 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 a degree; 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. So, treat that kibbling timber falls into the feeding chamber by the feed inlet after, can take place the striking with the second deckle board earlier to the messenger treats that kibbling timber disperses, and falls into more uniformly and keeps away the position chamber, gets into again and smashes the intracavity, and then can improve ligneous crushing efficiency effectively.
In one embodiment, the projections are disposed toward a circumferential direction of the rotor. In this embodiment, the hammer blade 320 of the crushing cutter assembly 300 forms a moving blade along with the rotation of the rotor 310, the step edge of the protruding portion forms a natural fixed blade, and the protruding portion is arranged towards the circumferential direction of the rotor, so that the wood can be continuously impacted and sheared between the moving blade and the fixed blade, the crushing efficiency of the wood is greatly improved, and the crushing yield is increased.
Further, the projecting direction of the projecting portion is parallel to the radial direction of the rotor. It can be understood that the hammer 320 of the crushing cutter assembly 300 forms a moving blade along with the rotation of the rotor 310, the step edge of the protrusion forms a natural stationary blade, and the wood can be continuously impacted and sheared between the moving blade and the stationary blade, thereby greatly improving the crushing efficiency of the wood and increasing the crushing yield. In this embodiment, the protruding direction of the protruding portion is parallel to the radial direction of the rotor, so that the impact area of the wood between the movable knife and the fixed knife can be maximized, thereby further improving the wood crushing efficiency, increasing the crushing yield and enabling the wood crushing degree to be higher.
As shown in fig. 3, the present application also provides a wood pulverizing apparatus including the pulverizing mechanism according to any one of the above embodiments.
Compared with the prior art, the utility model has at least the following advantages:
because the screen assembly 100 comprises a plurality of screen plates 110, the plurality of screen plates 110 are sequentially connected to form a crushing cavity, and two adjacent screen plates 110 are overlapped and connected, a step-shaped protruding part is formed at the joint between the two adjacent screen plates 110, and a natural fixed cutter is formed at the step edge of the protruding part. The hammer blade 320 of the smashing cutter component 300 forms the movable cutter along with the rotation of the rotor 310, so that the wood can be continuously impacted and sheared between the movable cutter and the fixed cutter, the smashing efficiency of the wood is greatly improved, the smashing yield is increased, meanwhile, the wood is continuously collided and sheared on the fixed cutter after being sheared by the movable cutter, the wood can be smashed more thoroughly, and the blockage caused by sieve pores 114 in the sieve plate 110 is effectively avoided.
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 grinding mechanism of a wood grinding apparatus, comprising:
the frame comprises a main frame body, a first support and a second support, the first support is connected to one end of the main frame body, the second support is connected to one end, far away from the first support, of the main frame body, and the main frame body, the first support and the second support are connected to form an accommodating cavity;
the screen assembly is arranged in the accommodating cavity and comprises a plurality of screen plates, the plurality of screen plates are sequentially connected to form a crushing cavity, two adjacent screen plates are connected in an overlapping mode, a step-shaped protruding part is formed at the joint between the two adjacent screen plates, and each screen plate is provided with a plurality of screen holes;
the driving assembly is arranged on the main frame body;
the crushing cutter assembly is arranged in the crushing cavity and comprises a rotor and a hammer, the rotor is fixedly connected with a power shaft of the driving assembly, the hammer is arranged on the periphery of the rotor, and two ends of the rotor are respectively penetrated through the first support and the second support.
2. The crushing mechanism of a wood crushing apparatus according to claim 1, wherein adjacent two of the screen plates are welded.
3. The crushing mechanism of a wood crushing apparatus according to claim 1, wherein a gap between the hammer and each of the screen plates is 5mm to 10 mm.
4. The crushing mechanism of a wood crushing apparatus according to claim 1, wherein each of the screen plates is a straight screen plate.
5. The crushing mechanism of a wood crushing apparatus according to claim 1, wherein each of the screen plates has a thickness of 5mm to 20 mm.
6. The lumber mill comminution mechanism of claim 1 wherein each of the screen panels is removably attached to the frame.
7. The crushing mechanism of the wood crushing device as recited in claim 1, wherein a plurality of positioning grooves are formed in the inner peripheral wall of the accommodating chamber, and a plurality of screen plates are arranged in the positioning grooves in a one-to-one correspondence.
8. The crushing mechanism of a wood crushing apparatus according to claim 1, characterized in that the projections are provided toward a circumferential direction of the rotor.
9. The crushing mechanism of a wood crushing apparatus according to claim 8, wherein the protruding direction of the protruding part is parallel to the radial direction of the rotor.
10. A wood crushing apparatus characterized in that it comprises a crushing mechanism of a wood crushing apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501705.7U CN215541473U (en) | 2021-03-09 | 2021-03-09 | Wood crushing equipment and crushing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501705.7U CN215541473U (en) | 2021-03-09 | 2021-03-09 | Wood crushing equipment and crushing mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215541473U true CN215541473U (en) | 2022-01-18 |
Family
ID=79853916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120501705.7U Expired - Fee Related CN215541473U (en) | 2021-03-09 | 2021-03-09 | Wood crushing equipment and crushing mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215541473U (en) |
-
2021
- 2021-03-09 CN CN202120501705.7U patent/CN215541473U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220118 |