Grass chopper

Abstract

The grass chopper comprises a supporting frame, a material storage assembly, a grass chopping assembly and a driving motor, the material storage assembly comprises a material storage barrel, a material blocking plate and a plurality of connecting pieces, discharging ports are formed in the bottom end of the material storage barrel and the top end of the supporting frame, and the grass chopping assembly comprises a rotating shaft, a knife rest assembly and a plurality of blades. The blade is detachably connected to the knife rest assembly. In this way, grass chopping work is completed in the storage barrel, chopped grass chippings can be prevented from splashing, the baffle plate is opened after grass chopping so as to remove the chopped grass and facilitate storage, the driving motor and the supporting frame are integrally designed, the driving motor does not need to be additionally supported, space is saved, the driving motor is prone to vibration during rotation in a suspended mode, and the driving motor is convenient to use. The vibration can bring amplitude to the crushed grass at the discharge port so as to solve the problem of blockage when the crushed grass is discharged; the grass chopping assembly adopts a tool rest and blade combined installation form, so that the disassembly and assembly are convenient, the blade replacement operation in later maintenance is convenient, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to grass crushing equipment technical field especially a grass crushing machine. BACKGROUND

[0002] The grass crushing machine is a kind of equipment for cutting grass, branches and other plant materials, and is widely used in the field of gardens, agriculture and other fields;Compared with artificial pruning and cleaning, the grass crushing machine can quickly complete the processing of large area grass and branches, save time and manpower.

[0003] Because grass and branches are often large, the grass crushing machine in the prior art can cause blade jamming or passivation when crushing grass, and the conventional grass crushing machine needs to be taken out as a whole when replacing the blade, which is more troublesome and affects the grass crushing efficiency;And the motor is supported by the base, and an installation seat needs to be additionally provided for placing the driving motor, so that the overall space occupation is large, and the installation is troublesome.

[0004] Therefore, it is necessary to provide a grass crushing machine to solve or at least alleviate the above problems. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a grass crushing machine to solve the problems of inconvenient replacement of blades and inconvenient installation of motors in the prior art.

[0006] To achieve the above purpose, the utility model provides a grass crushing machine, which comprises a support frame, a storage assembly, a grass crushing assembly and a driving motor;Wherein,

[0007] The storage assembly comprises a storage cylinder, a material blocking plate and a plurality of connecting pieces, the storage cylinder is connected to the top end of the support frame through the connecting pieces, the bottom end of the storage cylinder and the top end of the support frame are provided with discharge ports corresponding to the vertical direction, the material blocking plate is connected between the storage cylinder and the support frame and blocks the discharge port, and the material blocking plate is movably arranged along the width direction of the support frame;

[0008] The driving motor is suspended at the bottom of the top end of the support frame, the bottom end of the storage cylinder and the middle part of the top end of the support frame are also provided with through holes corresponding to the vertical direction, and the driving end of the driving motor penetrates the through hole to extend into the storage cylinder;

[0009] The grass crushing assembly comprises a rotating shaft, a blade holder assembly and a plurality of blades, the rotating shaft is connected to the driving end of the driving motor, the blade holder assembly is connected to the rotating shaft, and the blades are detachably connected to the blade holder assembly.

[0010] Preferably, the tool holder assembly comprises a plurality of vertically spaced tool holders, each of the tool holders is fixed to the rotating shaft, and the tool blade is detachably connected to the tool holder.

[0011] Preferably, the number of the tool holders is two, and the included angle between the two tool holders is 90°.

[0012] Preferably, the tool holder is in S shape, the middle part of the tool holder is connected to the rotating shaft, and both ends of the tool holder are connected with the tool blade.

[0013] Preferably, the connecting member is a pull rivet bolt.

[0014] Preferably, the tool blade is in arc shape, and the curvature of each tool blade is matched with the curvature of the connected tool holder.

[0015] Preferably, the outer arc segment of each tool blade is formed with a chamfered surface.

[0016] Preferably, the material guiding groove is further provided, the material guiding groove is connected to the bottom of the top end of the support frame and is correspondingly arranged at the discharging port.

[0017] Preferably, the material guiding groove comprises a fixed segment and a free segment, the fixed segment is connected to the bottom of the top end of the support frame, and the free segment is rotatably arranged around the bottom end of the fixed segment.

[0018] Preferably, the support plate and a plurality of suspending rods arranged along the circumferential direction of the support plate are further provided, the top end of the suspending rod is fixed to the bottom of the top end of the support frame, the support plate is connected to the bottom end of the suspending rod, and the driving motor is suspended by being connected to the support plate.

[0019] Compared with the prior art, the tool holder assembly has the following advantages:

[0020] The utility model provides a kind of grass chopper, including support frame, storage component, grass crushing component and driving motor, storage component includes storage cylinder, baffle and multiple connecting pieces, storage cylinder is connected on the top end of support frame by connecting piece, the bottom end of storage cylinder and the top end of support frame are provided with the discharge port corresponding along vertical direction, baffle is connected between storage cylinder and support frame and is shielded at discharge port, and baffle is movably arranged along the width direction of support frame, driving motor is suspended at the top end bottom of support frame, the bottom end of storage cylinder and the middle part of the top end of support frame are also provided with the through hole corresponding along vertical direction, the driving end of driving motor is penetrated through the through hole to extend into storage cylinder, grass crushing component includes shaft, tool rest component and multiple blades, shaft is connected on the driving end of driving motor, tool rest component is connected on shaft, and blade is detachably connected on tool rest component.Such as in storage cylinder completes grass crushing work, can avoid grass chaff splashing, opens baffle again after grass crushing to exclude grass for easy storage, and driving motor adopts the way of integration design with support frame, without additional support driving motor, save space, and driving motor adopts the way of suspension, and vibration is easily generated when itself rotates, and vibration can bring amplitude to grass at discharge port, to solve the problem of blockage when discharging grass;Grass crushing component adopts the form of combined installation of tool rest and blade, so that disassembly and assembly are more convenient, and replacing blade is easy to operate in later maintenance, to improve efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0022] Figure 1 It is the three-dimensional schematic view of the overall structure in one embodiment of the utility model;

[0023] Figure 2 It is the three-dimensional schematic view after removing storage cylinder in one embodiment of the utility model;

[0024] Figure 3 It is the plane schematic view of the overall structure in one embodiment of the utility model;

[0025] Figure 4 It is the back schematic view of the overall structure in one embodiment of the utility model.

[0026] The purpose of the utility model, functional characteristics and advantages will be further explained by combining with embodiments, with reference to the drawings.

[0027] EXPLANATION OF REFERENCE NUMERALS:

[0028] 10, support frame; 110, material guiding groove; 111, fixed section; 112, free section; 120, support plate; 130, boom; 20, material storage assembly; 210, material storage cylinder; 211, material outlet; 220, material blocking plate; 230, connecting piece; 30, grass crushing assembly; 310, rotating shaft; 320, knife holder; 330, knife blade; 40, driving motor. DETAILED DESCRIPTION

[0029] It should be understood that the specific embodiments described herein are merely exemplary and are not intended to limit the present application.

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0032] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0033] Please refer to the drawings Figures 1-4 The present application provides a grass crusher in an embodiment, which comprises a support frame 10, a material storage assembly 20, a grass crushing assembly 30 and a driving motor 40. First of all, it should be noted that unlike the grass crusher in the prior art which needs to be taken out entirely when replacing the knife blade 330, it is more troublesome and affects the grass crushing efficiency; and usually the motor is supported by a base, an additional mounting seat needs to be provided for placing the driving motor 40, the overall space occupation is large, and the installation is troublesome. The present application provides a grass crusher to solve the above-mentioned defects in the prior art, which is as follows:

[0034] The storage assembly 20 comprises a storage cylinder 210, a blocking plate 220 and a plurality of connecting members 230, the storage cylinder 210 is connected to the top end of the support frame 10 through the connecting members 230, the bottom end of the storage cylinder 210 and the top end of the support frame 10 are provided with discharge ports 211 arranged in vertical correspondence, the blocking plate 220 is connected between the storage cylinder 210 and the support frame 10 and blocks the discharge ports 211, and the blocking plate 220 is movably arranged along the width direction of the support frame 10; the driving motor 40 is suspended at the bottom of the top end of the support frame 10, the bottom end of the storage cylinder 210 and the middle part of the top end of the support frame 10 are further provided with through holes arranged in vertical correspondence, and the driving end of the driving motor 40 penetrates the through holes to extend into the storage cylinder 210; the grass crushing assembly 30 comprises a rotating shaft 310, a knife holder 320 assembly and a plurality of blades 330, the rotating shaft 310 is connected to the driving end of the driving motor 40, the knife holder 320 assembly is connected to the rotating shaft 310, and the blades 330 are detachably connected to the knife holder 320 assembly.

[0035] Specifically, the grass crusher in the application comprises a support frame 10, a storage assembly 20, a grass crushing assembly 30 and a driving motor 40, the support frame 10 is used for mounting various components to form a structure integrated with storage, grass crushing, grass discharging and motor mounting; the storage assembly 20 is used for storing a grass pile that needs to be crushed, which comprises a storage cylinder 210, a blocking plate 220 and a plurality of connecting members 230, the storage cylinder 210 can be arranged in a cylindrical shape and appropriately increased in height, so that the grass crushing debris can be prevented from splashing outside, and a cylinder cover can be additionally provided to cover the storage cylinder 210 during grass crushing, so that the grass crushing noise can be reduced, the storage cylinder 210 is fixed on the top end of the support frame 10 through the connecting members 230, after connection, the storage cylinder 210 and the support frame 10 need to be separated by a certain gap, so that the blocking plate 220 can be inserted between the storage cylinder 210 and the support frame 10, so that the discharge port 211 can be blocked by the blocking plate 220 during grass crushing to prevent grass from falling, the discharge ports 211 of the storage cylinder 210 and the support frame 10 are arranged in vertical correspondence, which means that the two discharge ports 211 have consistent sizes and shapes and are arranged along the same vertical center line, and the blocking plate 220 is movably arranged along the width direction of the support frame 10, so that the blocking plate 220 can be pulled out after the grass crushing work is completed, so as to open the discharge port 211 and discharge the crushed grass.

[0036] The driving motor 40 is directly suspended at the bottom of the top end of the support frame 10, so that the driving motor 40 is not required to be placed on a support seat, and the driving motor 40 is vibrated when rotating to drive the support frame 10 to vibrate, so that the blockage problem of the discharge port 211 by the accumulated grass is solved by vibration, and the grass discharging efficiency is improved; after the driving motor 40 is installed, the driving end of the driving motor 40 is required to be extended upwards to penetrate the through hole and extend into the storage cylinder 210, so that the grass crushing assembly 30 is installed to drive the grass crushing assembly 30 to rotate, wherein the grass crushing assembly 30 comprises a rotating shaft 310, a cutter holder 320 assembly and a plurality of blades 330, the rotating shaft 310 is used for being installed with the driving end of the driving motor 40 and being installed with the cutter holder 320 assembly, and the grass crushing mode adopts the form of the cutter holder 320 and the blade 330 assembly, so that the entire mechanism is not required to be taken out when the blade 330 is damaged, and the blade 330 can be replaced, which is convenient and easy to operate, and the maintenance efficiency is greatly improved.

[0037] Further, the cutter holder 320 is provided with a first connecting hole at two ends, and the connecting end of the blade 330 is provided with a second connecting hole corresponding to the first connecting hole, and the blade 330 is connected with the cutter holder 320 by penetrating the first connecting hole and the second connecting hole through a bolt.

[0038] It should be noted that the blade 330 is convenient to disassemble and assemble by the bolt connection mode, and the maintenance efficiency of replacing the blade 330 can be greatly improved, and in order to ensure the stability of the connection, two bolts can be arranged at each end of the cutter holder 320 to avoid the blade 330 from loosening and falling off during the grass crushing.

[0039] As a preferred embodiment of the utility model, the cutter holder 320 assembly comprises a plurality of cutter holders 320 which are vertically spaced, the plurality of cutter holders 320 are fixed on the rotating shaft 310, and the blade 330 is detachably connected to the cutter holder 320.

[0040] It should be noted that the cutter holder 320 is arranged in the form of a plurality of vertical segments, and the grass crushed by the blade 330 can be broken into multiple segments, and the grass crushing effect is better.

[0041] As a more preferred embodiment of the utility model, the number of the cutter holder 320 is two, and the included angle between the two cutter holders 320 along the horizontal plane is 90°.

[0042] It should be noted that, so that the extension direction of two said knife holders 320 is staggered along the vertical direction, the grass can be cut by the cutting force in multiple directions when cutting, the contact area and shear force of cutting are increased, and the grass cutting effect is significantly improved; preferably, the included angle between two said knife holders 320 along the horizontal plane is 90°, so that the extension direction of two said knife holders 320 is perpendicular to each other in the horizontal plane, and the cutting effect is more uniform.

[0043] As a preferred embodiment of the utility model, the knife holder 320 is S-shaped, the middle part of the knife holder 320 is connected to the rotating shaft 310, and both ends of the knife holder 320 are connected with a blade 330.

[0044] It should be noted that the S-shaped knife holder 320 can install the blade 330 at both ends, and the curved design of the S shape can better disperse the flow direction of the grass, avoiding the grass winding around the blade 330.

[0045] As a preferred embodiment of the utility model, the connecting piece 230 is a rivet bolt.

[0046] It should be noted that the rivet bolt does not need to be assisted from the back of the connecting piece 230, and is particularly suitable for use in a space-limited environment, and the mechanical locking is realized by the deformation of the rivet bolt, which has high tensile strength and torsional strength. After the connection is completed, the entire storage cylinder 210 can be located on the rivet cap of the rivet bolt, so that a gap can be formed through the rivet cap to insert the baffle plate 220.

[0047] It should be noted that the connecting piece 230 can also be in the form of a bolt, nut and gasket, which can be selected by those skilled in the art according to actual needs.

[0048] Further, the blade 330 is arc-shaped, and the curvature of each blade 330 is matched with the curvature of the connected knife holder 320.

[0049] It should be noted that the design of the arc-shaped blade 330 can better adapt to the shape of the grass, and the curve of the cutting edge can better fit the surface of the grass during cutting, reducing the cutting resistance and improving the cutting efficiency. The bending shape and degree of each blade 330 correspond to the knife holder 320 connected thereto, that is, the curvature is consistent, so that after the blade 330 is installed, the S-shaped knife holder 320 and blade 330 combination structure is formed.

[0050] Further, the outer arc segment of each said blade 330 is formed with an inclined surface.

[0051] It should be understood that the chamfer design can make the blade 330 better fit the material surface during cutting, reduce the cutting resistance, and thus improve the cutting efficiency; meanwhile, the chamfer can disperse the cutting force, reduce the deformation of the material and the wear of the blade 330.

[0052] Further, the device further comprises a material guiding groove 110 connected to the bottom of the top end of the support frame 10 and arranged at the discharge port 211.

[0053] It should be noted that the material guiding groove 110 is used to guide the discharge path of the grass, so as to facilitate the collection of the grass.

[0054] Further, the material guiding groove 110 comprises a fixed section 111 connected to the bottom of the top end of the support frame 10 and a free section 112 rotatably arranged around the bottom end of the fixed section 111.

[0055] It should be noted that, due to the large volume of the entire device during transportation, it is usually disassembled into various parts and assembled at the use site, and since the material guiding groove 110 is large and long, it occupies a lot of space during transportation and is avoided from being broken during transportation, so the free section 112 is rotated to be folded with the fixed section 111 to form a closed form, so as to facilitate transportation; during use, the free section 112 will naturally sag under the action of gravity, and the rear end will abut against the fixed section 111, so as to form the form of the material guiding groove 110 as shown in Figure 2 .

[0056] Further, the device further comprises a support plate 120 and a plurality of hangers 130 arranged along the circumference of the support plate 120, the top end of the hanger 130 being fixed to the bottom of the top end of the support frame 10, the support plate 120 being connected to the bottom end of the hanger 130, and the driving motor 40 being suspended by being connected to the support plate 120.

[0057] It can be understood that the support plate 120 and the hanger 130 cooperate to form a suspended connection form for installing the driving motor 40, so as to make full use of the internal space of the support frame 10, so as to achieve the purpose of suspending the driving motor 40.

[0058] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A grass chopper, characterized in that, The utility model provides a grass cutting machine, including support frame, storage assembly, grass cutting assembly and drive motor, wherein, The storage assembly includes a storage cylinder, a material blocking plate and a plurality of connecting pieces, the storage cylinder is connected to the top end of the support frame through the connecting pieces, the bottom end of the storage cylinder and the top end of the support frame are provided with a discharge port corresponding to the vertical direction, the material blocking plate is connected between the storage cylinder and the support frame and blocks the discharge port, and the material blocking plate is movably arranged along the width direction of the support frame; The drive motor is suspended at the bottom of the top end of the support frame, the bottom end of the storage cylinder and the middle part of the top end of the support frame are also provided with a through hole corresponding to the vertical direction, and the driving end of the drive motor penetrates the through hole to extend into the storage cylinder; The grass cutting assembly includes a rotating shaft, a knife holder assembly and a plurality of blades, the rotating shaft is connected to the driving end of the drive motor, the knife holder assembly is connected to the rotating shaft, and the blades are detachably connected to the knife holder assembly.

2. The grass chopper according to claim 1, characterized in that The knife holder assembly includes a plurality of vertically spaced knife holders, and the plurality of knife holders are fixed to the rotating shaft, and the blades are detachably connected to the knife holders.

3. The grass chopper of claim 2, wherein, The number of the knife holders is two, and the included angle between the two knife holders along the horizontal plane is 90 degrees.

4. The grass chopper of claim 3, wherein The knife holder is S-shaped, the middle part of the knife holder is connected to the rotating shaft, and both ends of the knife holder are connected with a blade.

5. The grass chopper of claim 1, wherein, The connecting piece is a pull rivet bolt.

6. The grass chopper of claim 4, wherein, The blade is arc-shaped, and the curvature of each blade matches the curvature of the connected knife holder.

7. The grass chopper of claim 6, wherein, Each outer arc segment of the blade is formed with a bevel.

8. The grass chopper of claim 1, wherein, It also includes a material guiding groove connected to the bottom of the top end of the support frame and corresponding to the discharge port.

9. The grass chopper of claim 8, wherein, The material guiding groove includes a fixed segment and a free segment, the fixed segment is connected to the bottom of the top end of the support frame, and the free segment is rotatably arranged around the bottom end of the fixed segment.

10. The grass chopper of claim 1, wherein, It also includes a bracket plate and a plurality of hoisting rods arranged along the circumferential direction of the bracket plate, the top end of the hoisting rod is fixed to the bottom of the top end of the support frame, the bracket plate is connected to the bottom end of the hoisting rod, and the drive motor is suspended through the bracket plate.

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