Leaf crusher

Abstract

The present invention discloses a leaf crusher, comprising a blade assembly and a driving assembly; the blade assembly comprises a first blade and a second blade, the driving assembly is respectively connected to the first blade and the second blade, and is used to drive the first blade and the second blade to rotate; the first blade is used to break up and preliminarily cut the object to be crushed; the second blade is used to further cut the object to be crushed. The object to be crushed can be broken up by the first blade to disperse the object to be crushed, so that the second blade can fully cut the object to be crushed, and the first blade can preliminarily cut the object to be crushed, so that the fragments formed after cutting can achieve a better fattening effect.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, in particular to a leaf crusher. Background Art

[0002] A leaf shredder is a machine that shreds leaves and turns them into fertilizer. Fertilizer made from leaves is pollution-free and harmless. In the prior art, leaves are often mixed with a large number of small branches and plant roots during the recycling process. Leaf shredders cannot fully shred small branches and plant roots, resulting in poor fertilizer effect of the processed leaves. Summary of the invention

[0003] The main purpose of the present invention is to provide a leaf crusher, aiming to solve the technical problem in the prior art that the leaf crusher cannot fully crush the material to be crushed, resulting in the crushed fragments being unable to achieve a better fattening effect.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0005] A leaf shredder comprises a blade assembly and a drive assembly; the blade assembly comprises a first blade and a second blade, the drive assembly is respectively connected to the first blade and the second blade, and is used to drive the first blade and the second blade to rotate; the first blade is used to break up and preliminarily cut the material to be shredded; the second blade is used to further cut the material to be shredded.

[0006] Preferably, the first blade includes a first body and a protrusion arranged on the first body, the driving assembly is connected to the first body, the protrusion is used to break up the objects to be crushed, and the first body is used to cut the objects to be crushed after being broken up by the protrusion.

[0007] Preferably, the second blade includes a second body and a baffle disposed on the second body, the drive assembly is connected to the second body, the second body is used to further cut the object to be crushed to form fragments; the baffle is used to discharge the fragments formed after the second body cuts.

[0008] Preferably, the second body comprises first saw teeth, and the first saw teeth are used for cutting the object to be crushed; and / or the blocking piece comprises second saw teeth, and the second saw teeth are used for cutting the object to be crushed.

[0009] Preferably, the blade assembly further comprises a third blade, the third blade is connected to the driving assembly and is located between the first blade and the second blade, and the third blade is used for chopping the object to be pulverized.

[0010] Preferably, the blade assembly also includes a connecting shaft, which is connected to the driving assembly, and the first blade, the third blade and the second blade are respectively sleeved on the connecting shaft. The driving assembly drives the connecting shaft to rotate, and the connecting shaft drives the first blade, the third blade and the second blade to rotate axially along the connecting shaft.

[0011] Preferably, the blade assembly also includes a first limiting sleeve and a second limiting sleeve, the first limiting sleeve is sleeved on the connecting shaft and located between the first blade and the third blade so that the first blade and the third blade are spaced apart, and the second limiting sleeve is sleeved on the connecting shaft and located between the third blade and the second blade so that the third blade and the second blade are spaced apart.

[0012] Preferably, the leaf crusher further comprises a shell, on which is provided an inlet, a crushing chamber and a discharge port which are interconnected, and the blade assembly is located in the crushing chamber.

[0013] Preferably, the shell includes a first sub-shell, a second sub-shell and a third sub-shell which are connected in sequence, the feed port is located at the first end of the first sub-shell, the second end of the first sub-shell can be telescopic along the first end of the second sub-shell, the second end of the second sub-shell is connected to the first end of the third sub-shell, the crushing chamber is located in the third sub-shell, and the discharge port is located on the side wall of the third sub-shell.

[0014] Preferably, the leaf crusher further comprises a screen, and the screen is detachably arranged at the discharge port.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention can break up the object to be crushed by the first blade to disperse the object to be crushed, so that the second blade can fully cut the object to be crushed, and the first blade can preliminarily cut the object to be crushed, so that the fragments formed after cutting can achieve a better fattening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 is a schematic diagram of a leaf shredder according to one embodiment of the present invention;

[0019] Figure 2 is a top view of a blade assembly according to one embodiment of the present invention;

[0020] Figure 3 is a front view of a blade assembly according to one embodiment of the present invention;

[0021] Figure 4 is an exploded view of a blade assembly according to one embodiment of the present invention;

[0022] Figure 5 is an exploded view of a housing according to an embodiment of the present invention.

[0023] 10. Leaf crusher; 1. Blade assembly; 11. First blade; 111. First body; 112. Protrusion; 113. First cutting edge; 12. Second blade; 121. Second body; 122. Stopper; 123. First sawtooth; 124. Second sawtooth; 13. Third blade; 131. Third body; 132. Second cutting edge; 14. Connecting shaft; 141. Connecting shaft body; 142. Abutment; 15. First limiting sleeve; 16. Second limiting sleeve; 17. Gasket; 2. Driving assembly; 3. Housing; 31. Feeding port; 32. Crushing chamber; 33. Discharging port; 34. First sub-housing; 341 , the first end of the first sub-shell; 342, the second end of the first sub-shell; 35, the second sub-shell; 351, the first end of the second sub-shell; 352, the second end of the second sub-shell; 36, the third sub-shell; 361, the first end of the third sub-shell; 362, the second end of the third sub-shell; 37, the air deflector; 371, the first end of the air deflector; 372, the second end of the air deflector; 38, the baffle; 39, the limit cover; 391, the first limit plate; 392, the second limit plate; 393, the third limit plate; 4, the support frame; 41, the support plate; 42, the support foot; 43, the roller; 5, the screen. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three solutions. Taking A and / or B as an example, it includes technical solution A, technical solution B, and technical solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0027] like Figures 1 to 5 As shown, the present invention provides a leaf shredder 10, including a blade assembly 1 and a drive assembly 2; the blade assembly 1 includes a first blade 11 and a second blade 12, the drive assembly 2 is connected to the first blade 11 and the second blade 12 respectively, and drives the first blade 11 and the second blade 12 to rotate, the first blade 11 is used to break up and preliminarily cut the material to be crushed, and the second blade 12 is used to further cut the material to be crushed. The first blade 11 can break up the material to be crushed so that the material to be crushed is dispersed, so that the second blade 12 can fully cut the material to be crushed, and the first blade 11 can preliminarily cut the material to be crushed, so that the fragments formed after cutting can achieve a better fattening effect.

[0028] Preferably, the driving component 2 is a motor.

[0029] The leaf shredder 10 also includes a shell 3, which is provided with an interconnected feed port 31, a crushing chamber 32 and a discharge port 33. The blade assembly 1 is located in the crushing chamber 32, wherein the distance between the first blade 11 and the feed port 31 is smaller than the distance between the second blade 12 and the feed port 31.

[0030] The first blade 11 includes a first body 111 and a protrusion 112 disposed on the first body 111. The driving assembly 2 is connected to the first body 111. The protrusion 112 is used to break up the objects to be crushed, and the first body 111 is used to cut the objects to be crushed after being broken up by the protrusion 112. The driving assembly 2 drives the first body 111 to rotate, and the first body 111 drives the protrusion 112 to rotate, so that the protrusion 112 breaks up the objects to be crushed that fall thereon, so that the second blade 12 can fully cut the objects to be crushed.

[0031] Specifically, the protrusion 112 is disposed near the middle of the first body 111 and is turned up along the edge of the first body 111 toward the feed opening 31 .

[0032] The number of the protrusions 112 is at least two.

[0033] Preferably, there are two protrusions 112, and the two protrusions 112 are arranged relative to the middle of the first body 111. The two protrusions 112 can improve the efficiency of breaking up the objects to be crushed.

[0034] Preferably, the protrusion 112 is a triangular structure that turns upward. Optionally, the protrusion 112 can also be other polygonal structures that turn upward.

[0035] Both ends of the first body 111 are arc-shaped structures, which can reduce the resistance during cutting, thereby improving the pulverizing efficiency of the leaf shredder 10 .

[0036] Both ends of the first body 111 are provided with first cutting edges 113 , and the objects to be pulverized can be initially shredded through the first cutting edges 113 .

[0037] The second blade 12 includes a second body 121 and a baffle 122 disposed on the second body 121. The driving assembly 2 is connected to the second body 121. The second body 121 is used to further cut the object to be crushed to form fragments; the baffle 122 is used to discharge the fragments formed after the second body 121 cuts. The driving assembly 2 drives the second body 121 to rotate, and the second body 121 drives the baffle 122 to rotate. The baffle 122 pushes the fragments cut by the second body 121 to move, so that the fragments are quickly discharged.

[0038] Specifically, the blocking piece 122 is disposed on the bottom of the second body 121 .

[0039] The second body 121 includes a first sawtooth 123, and the first sawtooth 123 is used to cut the object to be crushed. Through the first sawtooth 123, small branches and plant roots in the object to be crushed can be cut, thereby improving the degree of crushing of the fragments.

[0040] Specifically, both ends of the second body 121 include first saw teeth 123. The two first saw teeth 123 improve the crushing efficiency of the leaf shredder 10.

[0041] The number of the blocking pieces 122 is at least two.

[0042] Preferably, there are two baffles 122, which are arranged at both ends of the second body 121. By arranging two baffles 122 on the second body 121, the efficiency of discharging debris is improved.

[0043] The blocking piece 122 includes second serrations 124. The second serrations 124 can improve the degree of crushing of the fragments.

[0044] The blade assembly 1 further includes a third blade 13, which is connected to the drive assembly 2 and is located between the first blade 11 and the second blade 12. The third blade 13 is used to shred the material to be shredded. The shredding efficiency of the leaf shredder 10 is improved by the third blade 13.

[0045] The third blade 13 comprises a third body 131 , the driving assembly 2 is connected to the third body 131 , and both ends of the third body 131 are provided with second cutting edges 132 , and the objects to be pulverized can be fully shredded through the second cutting edges 132 .

[0046] The width of the third body 131 decreases from the end to the middle. This structure can improve the strength of the third blade 13, thereby increasing the service life of the third blade 13.

[0047] Preferably, the third body 131 is a diamond-shaped structure.

[0048] like Figure 3 and Figure 4 As shown, the blade assembly 1 also includes a connecting shaft 14, a first limiting sleeve 15 and a second limiting sleeve 16. The connecting shaft 14 is connected to the driving assembly 2. The first blade 11, the third blade 13 and the second blade 12 are respectively sleeved on the connecting shaft 14. The first limiting sleeve 15 is sleeved on the connecting shaft 14 and is located between the first blade 11 and the third blade 13, so that the first blade 11 and the third blade 13 are spaced apart. The second limiting sleeve 16 is sleeved on the connecting shaft 14 and is located between the third blade 13 and the second blade 12, so that the third blade 13 and the second blade 12 are spaced apart. The driving assembly 2 drives the connecting shaft 14 to rotate, and the connecting shaft 14 simultaneously drives the first blade 11, the third blade 13 and the second blade 12 to rotate. The first limiting sleeve 15 and the second limiting sleeve 16 can reliably fix the first blade 11, the third blade 13 and the second blade 12 on the connecting shaft 14 to prevent the first blade 11, the third blade 13 and the second blade 12 from slipping during rotation, thereby ensuring the crushing efficiency of the leaf crusher 10. The first limiting sleeve 15 and the second limiting sleeve 16 can space the first blade 11, the third blade 13 and the second blade 12 from each other, so that the first blade 11, the third blade 13 and the second blade 12 can more fully crush the object to be crushed, thereby improving the crushing degree of the leaf crusher 10.

[0049] The connecting shaft 14 includes a connecting shaft body 141 and a supporting portion 142 disposed on the connecting shaft body 141. The first blade 11, the second blade 12 and the third blade 13 are all provided with through holes adapted to the connecting shaft 14. The second blade 12 is sleeved on the connecting shaft body 141 and abuts against the supporting portion 142, the second limiting sleeve 16 is sleeved on the connecting shaft body 141 and abuts against the second blade 12, the third blade 13 is sleeved on the connecting shaft body 141 and abuts against the second limiting sleeve 16, the first limiting sleeve 15 is sleeved on the connecting shaft body 141 and abuts against the third blade 13, and the first blade 11 is sleeved on the connecting shaft body 141 and abuts against the first limiting sleeve 15. A gasket 17 is provided on the first blade 11 , and a locking screw passes through the gasket 17 and the connecting shaft body 141 , thereby fixing the first blade 11 , the first limiting sleeve 15 , the third blade 13 , the second limiting sleeve 16 and the second blade 12 on the connecting shaft body 141 .

[0050] like Figure 1 and Figure 5 As shown, the leaf shredder 10 also includes a support frame 4 and a screen 5, the support frame 4 includes a support plate 41 and a support foot 42 supporting the support plate 41, the shell 3 is arranged on the top of the support plate 41, the drive assembly 2 is arranged on the bottom of the support plate 41, the blade assembly 1 is arranged in the shell 3, the drive shaft of the drive assembly 2 passes through the support plate 41 and is connected to the blade assembly 1, and the drive assembly 2 is used to drive the blade assembly 1 to rotate so that the blade assembly 1 crushes the object to be crushed.

[0051] The screen 5 is detachably arranged at the discharge port 33. By replacing the screens 5 with different apertures, the size of the debris discharged can be controlled, thereby improving the applicability of the leaf crusher 10.

[0052] The housing 3 includes a first sub-housing 34, a second sub-housing 35, and a third sub-housing 36 connected in sequence, the feed port 31 is located at the first end 341 of the first sub-housing 34, the second end 342 of the first sub-housing 34 can be telescopic along the first end 351 of the second sub-housing 35, the second end 352 of the second sub-housing 35 is connected to the first end 361 of the third sub-housing 36, the second end 362 of the third sub-housing 36 is arranged on the support plate 41, the crushing chamber 32 is located in the third sub-housing 36, and the discharge port 33 is located on the side wall of the third sub-housing 36. During the transportation of the leaf crusher 10, the packaging volume of the leaf crusher 10 can be saved by the telescopic first sub-housing 34, thereby reducing its transportation cost.

[0053] Preferably, the first sub-shell 34 and the second sub-shell 35 are both hollow quadrilateral shells, and the third sub-shell 36 is a hollow circular shell.

[0054] The housing 3 further includes a guide cover 37, which is disposed on the first end 341 of the first sub-housing 34 to guide the material to be crushed from the feed inlet 31 into the crushing chamber 32. The guide cover 37 guides the material to be crushed from the feed inlet 31 into the crushing chamber 32 to prevent the material to be crushed from being scattered on the ground during the pouring process, thereby improving the crushing efficiency of the leaf shredder 10.

[0055] Specifically, the cross-sectional area of ​​the air deflector 37 decreases from the first end 371 to the second end 372 of the air deflector 37 , wherein the first end 371 of the air deflector 37 is close to the first sub-shell 34 , and the second end 372 of the air deflector 37 is far away from the first sub-shell 34 .

[0056] Preferably, the cross section of the air deflector 37 is a square. Optionally, the cross section of the air deflector 37 may also be other shapes.

[0057] A baffle 38 is provided at the feed port 31 to prevent the object to be crushed from being ejected from the crushing chamber 32. The baffle 38 can prevent the blade assembly 1 from ejecting hard objects in the object to be crushed from the crushing chamber 32 during rotation, thereby improving the safety of the leaf shredder 10.

[0058] The baffle plate 38 is obliquely disposed on the second end portion 372 of the air deflector 37 , and the oblique direction of the baffle plate 38 is the same as the air deflection direction of the air deflector 37 .

[0059] The number of baffles 38 is at least two.

[0060] Preferably, there are two baffles 38 , and the two baffles 38 are arranged opposite to each other.

[0061] The housing 3 further includes a limit cover 39, which is disposed on the side wall of the third sub-housing 36 to limit the movement range of the fragments discharged from the discharge port 33. The limit cover 39 limits the movement range of the fragments to prevent the fragments from being scattered on the ground during the recycling process, thereby improving the recycling efficiency of the fragments.

[0062] The limiting cover 39 includes a first limiting plate 391, a second limiting plate 392 and a third limiting plate 393. The third limiting plate 393 is arranged on the first limiting plate 391 and the second limiting plate 392 and tilted downward. The first limiting plate 391 and the second limiting plate 392 are located on both sides of the discharge port 33. The distance between the first limiting plate 391 and the second limiting plate 392 is greater than the width of the discharge port 33, and the height of the first limiting plate 391 and the second limiting plate 392 is greater than the height of the discharge port 33. The first limiting plate 391 and the second limiting plate 392 can limit the crushed fragments from moving between the first limiting plate 391 and the second limiting plate 392. The third limiting plate 393 can limit the crushed fragments from moving downward.

[0063] The length of the discharge port 33 is d, and the maximum length of the crushing chamber 32 is D, wherein D / 2≤d≤D. By providing a longer discharge port 33, the discharge speed of the fragments is increased, so that the fragments can be discharged smoothly.

[0064] The support legs 42 are detachably disposed on the support plate 41. During the transportation of the leaf shredder 10, by disassembling the support legs 42, the packaging volume of the leaf shredder 10 can be reduced, thereby reducing its transportation cost.

[0065] The supporting foot 42 is provided with a roller 43. During the transportation of the leaf crusher 10, the leaf crusher 10 can be conveniently moved by the roller 43.

[0066] Preferably, the roller 43 is a universal wheel.

[0067] Working process:

[0068] When the object to be crushed needs to be crushed, the driving assembly 2 is started, and the driving assembly 2 drives the blade assembly 1 to rotate. The object to be crushed is manually fed into the crushing chamber 32 through the feeding port 31 of the housing 3, and the object to be crushed is crushed by the blade assembly 1 in the crushing chamber 32, and the crushed fragments are discharged from the discharge port 33 of the housing 3 through the screen 5, thereby completing the entire crushing process.

[0069] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A leaf crusher, characterized in that: It comprises a blade assembly and a driving assembly; the blade assembly comprises a first blade and a second blade, the driving assembly is connected to the first blade and the second blade respectively, and is used to drive the first blade and the second blade to rotate; the first blade is used to break up and preliminarily cut the object to be crushed; The second blade is used to further cut the object to be pulverized; The first blade includes a first body and a protrusion disposed on the first body, the driving assembly is connected to the first body, the protrusion is used to break up the objects to be broken up, and the first body is used to cut the objects to be broken up by the protrusion; There are two protrusions, which are arranged opposite to each other near the middle of the first body, and are polygonal structures that are turned up along the edge of the first body; The first main body is in a straight line shape; The second blade includes a second body and a baffle disposed on the second body, the driving assembly is connected to the second body, the second body is used to further cut the object to be crushed to form fragments; the baffle is used to discharge the fragments formed after the second body cuts; The second body includes a first sawtooth, and the first sawtooth is used to cut the object to be crushed; the blocking piece includes a second sawtooth, and the second sawtooth is used to cut the object to be crushed; The blade assembly further comprises a third blade, which is connected to the driving assembly and is located between the first blade and the second blade. The third blade is used for shredding the object to be pulverized.

2. The leaf crusher according to claim 1, characterized in that The blade assembly also includes a connecting shaft, which is connected to the driving assembly. The first blade, the third blade and the second blade are respectively sleeved on the connecting shaft. The driving assembly drives the connecting shaft to rotate, and the connecting shaft drives the first blade, the third blade and the second blade to rotate axially along the connecting shaft.

3. The leaf crusher according to claim 2, characterized in that: The blade assembly also includes a first limiting sleeve and a second limiting sleeve. The first limiting sleeve is sleeved on the connecting shaft and located between the first blade and the third blade so that the first blade and the third blade are spaced apart. The second limiting sleeve is sleeved on the connecting shaft and located between the third blade and the second blade so that the third blade and the second blade are spaced apart.

4. The leaf crusher according to claim 1, characterized in that The leaf crusher also includes a shell, on which is provided an inlet, a crushing chamber and a discharge port which are interconnected, and the blade assembly is located in the crushing chamber.

5. The leaf crusher according to claim 4, characterized in that The shell includes a first sub-shell, a second sub-shell and a third sub-shell which are connected in sequence, the feed port is located at the first end of the first sub-shell, the second end of the first sub-shell can be telescopic along the first end of the second sub-shell, the second end of the second sub-shell is connected to the first end of the third sub-shell, the crushing chamber is located in the third sub-shell, and the discharge port is located on the side wall of the third sub-shell.

6. The leaf crusher according to claim 5, characterized in that The leaf crusher also includes a screen, which is detachably arranged at the discharge port.

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