Hobbing blade sharpening mechanism of grass chopper

Abstract

The utility model discloses a hob blade sharpening mechanism of a grass chopper, and relates to the technical field of hob blades of grass chopper, the hob blade sharpening mechanism comprises a limiting assembly, the limiting assembly is used for clamping and limiting the hob blade, the limiting assembly comprises a connecting cylinder, an electric push rod is fixedly installed in the connecting cylinder, and the electric push rod is connected with the limiting assembly; the output end of the electric push rod penetrates through one side of the connecting cylinder and is fixedly connected with a connecting ring, meanwhile, a large connecting rod is hinged to the connecting ring, the side, away from the connecting ring, of the large connecting rod is hinged to a limiting plate, a small connecting rod is hinged to one side of the limiting plate, and the side, away from the limiting plate, of the small connecting rod is hinged to the connecting cylinder; the electric push rod is controlled to stretch out and retract, so that the hob blade is more convenient to mount, fix and disassemble after sharpening, the convenience of sharpening the hob blade can be effectively improved, and the hob blade is more convenient to operate when sharpening the hob blade.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grass chopper rolling blade, specifically a kind of grass chopper rolling blade sharpening mechanism. BACKGROUND

[0002] In the lawn maintenance industry, rotary mower is widely used due to its efficient and accurate trimming effect, and one of the core components of rotary mower is rotary blade, the sharpness and durability of its cutting edge directly affect the trimming effect and service life of the equipment, therefore, the sharpening mechanism of rotary blade is particularly important.

[0003] For example, Chinese patent authorized publication number CN219113575U discloses a kind of grass cutter rotary blade's rotary blade sharpening machine, including base, fixed mechanism, top block, polished rod, clamping component and sharpening machine, the top of the base is equipped with fixed mechanism, the back top of the fixed mechanism is equipped with top block.The rotary blade sharpening machine of the grass cutter rotary blade can support and fix rotary blade roll by the cooperation of fixed mechanism, rotate rotary blade roll after polishing one side cutting edge, avoid staff to produce danger when rotary blade roll is rotated after one side cutting edge is polished, by the cooperation of top block, polished rod and clamping component, sharpening machine can be fixed, and the movement track of sharpening machine is limited, to assist staff to polish rotary blade cutting edge, to improve the efficiency of polishing rotary blade cutting edge, convenient operation.But it is not convenient to fix and limit single rotary blade, so rotary blade is easy to fall off when sharpening, causing damage, and the degree of adhesion cannot be automatically adjusted according to the curvature change of rotary blade when sharpening, thereby affecting the effect of rotary blade sharpening. UTILITY MODEL CONTENTS

[0004] The utility model aims at at least one of the technical problems existing in prior art;Therefore, the utility model provides a kind of grass chopper rolling blade sharpening mechanism.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of grass chopper rolling blade sharpening mechanism, comprising: limiting component, the limiting component is used to clamp and limit rotary blade, the limiting component includes

[0006] Connecting barrel, electric push rod is fixedly installed in the connecting barrel, and the output end of electric push rod penetrates one side of connecting barrel and is fixedly connected with connecting ring, while connecting ring is hingedly connected with large connecting rod, and large connecting rod is hingedly connected with limiting plate on the side away from connecting ring, one side of the limiting plate is hingedly connected with small connecting rod, and small connecting rod is hingedly connected on connecting barrel on the side away from limiting plate.

[0007] Preferably, the limiting plate, the large connecting rod and the small connecting rod are provided with three groups and arranged in a ring shape, and the outer side of the limiting plate is connected to the inner side of the rolling cutter piece.

[0008] Preferably, the bottom plate is further provided with a support plate fixedly installed on one side thereof, a driving motor fixedly installed on one side of the support plate, a transmission shaft fixedly connected to the output end of the driving motor, and the transmission shaft is fixedly connected to one side of the connecting cylinder.

[0009] Preferably, the transmission shaft is rotatably connected to the middle part of the support plate, and the bottom plate is provided with a collecting pool arranged in the middle part thereof, and the collecting pool is used for collecting the sprayed water.

[0010] Preferably, the sliding block is slidably connected in the sliding rail arranged on one side of the bottom plate, a support rod is fixedly connected to the sliding block, a pulling handle is fixedly connected to one side of the support rod, and the support rod is fixedly connected to a fixed block on the side away from the sliding block.

[0011] Preferably, the guiding column is fixedly installed in the sliding rail arranged on the bottom plate, and the sliding block is slidably connected to the guiding column.

[0012] Preferably, the moving rod is slidably connected to one side of the fixed block, the polishing block is fixedly connected to one side of the moving rod, the other side of the moving rod is fixedly connected to a spring, the spring is fixedly connected to the fixed block on the side away from the moving rod, a pull ring is slidably connected in the sliding rail arranged on the side of the fixed block, and the pull ring is fixedly connected to the moving rod.

[0013] Preferably, the connecting rod is fixedly installed on the fixed block, and the spray head is hingedly connected to the side away from the fixed block of the connecting rod, and the connecting pipe is fixedly connected in the spray head.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The utility model discloses a control electric push rod is set up, makes the rolling cutter piece more convenient to install fixed and the disassembly after sharpening, can effectively improve the convenience of the rolling cutter piece sharpening, makes the rolling cutter piece more convenient to operate when sharpening.

[0016] (2) The utility model discloses a pull ring, and the pull ring is pulled back and forth with the moving rod and the polishing block, when the polishing block is attached to the outer ring surface of the rolling cutter piece, the pull ring is loosened, and the moving rod and the polishing block are attached to the outer surface of the rolling cutter piece through the counter thrust of the spring, so that the rolling cutter piece can be more attached to the outer surface of the rolling cutter piece through the counter thrust of the spring when sharpening, and the rolling cutter piece can be adjusted according to the change of the arc when sharpening, thereby improving the effect of sharpening. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure diagram of the rolling blade sharpening mechanism of the grass chopping knife Figure 1 ;

[0018] Figure 2 A three-dimensional structure diagram of the rolling blade sharpening mechanism of the grass chopping knife Figure 2 ;

[0019] Figure 3 A Figure 2 magnified view of position A in FIG.

[0020] Figure 4 A three-dimensional structure diagram of the limiting assembly

[0021] Figure 5 A structure disassembly diagram of the limiting assembly.

[0022] In the figure: 1, bottom plate; 2, support plate; 3, drive motor; 4, transmission shaft; 5, limiting assembly; 501, connecting cylinder; 502, limiting plate; 503, electric push rod; 504, connecting ring; 505, large connecting rod; 506, small connecting rod; 6, collection pool; 7, sliding block; 8, guide column; 9, support rod; 10, pull handle; 11, fixed block; 12, spring; 13, pull ring; 14, moving rod; 15, polishing block; 16, connecting rod; 17, spray head; 18, connecting pipe; 19, rolling blade. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be described clearly and completely below in conjunction with embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figure 1 Figure 5 The application provides a rolling blade sharpening mechanism of a grass chopping knife, which comprises a limiting assembly 5, the limiting assembly 5 is used for clamping and limiting the rolling blade 19, and the limiting assembly 5 comprises

[0025] The electric push rod 503 is fixedly installed in the connecting cylinder 501, the output end of the electric push rod 503 penetrates through one side of the connecting cylinder 501 and is fixedly connected with the connecting ring 504, the connecting ring 504 is hingedly connected with the large connecting rod 505, the large connecting rod 505 is hingedly connected with the limiting plate 502 on the side, away from the connecting ring 504, of the large connecting rod 505, the limiting plate 502 is hingedly connected with the small connecting rod 506 on one side, and the small connecting rod 506 is hingedly connected to the connecting cylinder 501 on the side, away from the limiting plate 502. ​

[0026] It should be noted that the inside of the connecting barrel 501 is hollow to facilitate the placement of the electric push rod 503 inside.

[0027] In this embodiment, preferably, the limiting plate 502, the large connecting rod 505, and the small connecting rod 506 are each provided with three groups and arranged in a ring shape, and the outer side of the limiting plate 502 is attached to the inner side of the hob blade 19.

[0028] It should be noted that the limiting plate 502, the large connecting rod 505, and the small connecting rod 506 are provided with three groups, which can better clamp and fix the inner ring of the hob blade 19.

[0029] In this embodiment, preferably, the bottom plate 1 is further provided with a support plate 2 fixedly installed on one side of the bottom plate 1, and a driving motor 3 fixedly installed on one side of the support plate 2, and the output end of the driving motor 3 is fixedly connected with a transmission shaft 4, and the side of the transmission shaft 4 away from the driving motor 3 is fixedly connected to one side of the connecting barrel 501.

[0030] In this embodiment, preferably, the transmission shaft 4 penetrates and is rotatably connected to the middle part of the support plate 2, and the bottom plate 1 is provided with a collection pool 6, which is arranged in the middle part of the bottom plate 1, and the collection pool 6 is used to collect the sprayed water stains.

[0031] It should be noted that the collection pool 6 is square and arranged directly below the hob blade 19, and is used to collect water stains during polishing.

[0032] In this embodiment, preferably, the slide rail provided on one side of the bottom plate 1 is slidably connected with a sliding block 7, and the sliding block 7 is fixedly connected with a support rod 9, and one side of the support rod 9 is fixedly connected with a pulling handle 10, and the side of the support rod 9 away from the sliding block 7 is fixedly connected with a fixed block 11.

[0033] It should be noted that the setting of the pulling handle 10 makes it more convenient for the support rod 9 and the sliding block 7 to move on the guide column 8.

[0034] In this embodiment, preferably, the guide column 8 is fixedly installed in the slide rail provided on the bottom plate 1, and the sliding block 7 is slidably connected to the guide column 8.

[0035] It should be noted that the setting of the guide column 8 can avoid the deviation of the moving direction.

[0036] In the embodiment, preferably, the fixed block 11 is slidably connected with a moving rod 14 on one side, and the moving rod 14 is fixedly connected with a polishing block 15 on one side, and the polishing block 15 is connected with the outer side of the hob blade 19 on the inner side, and the other side of the moving rod 14 is fixedly connected with a spring 12, and the side of the spring 12 away from the moving rod 14 is fixed in the fixed block 11, and the slide rail arranged on the side of the fixed block 11 is slidably connected with a pull ring 13, and the pull ring 13 is fixedly connected to the moving rod 14.

[0037] In the embodiment, preferably, the fixed block 11 is fixedly connected with a connecting rod 16, and the connecting rod 16 is hingedly connected with a spray head 17 on the side away from the fixed block 11, and the spray head 17 is fixedly connected with a connecting pipe 18.

[0038] It should be noted that the connecting pipe 18 is a hose arranged to facilitate movement and adjustment, and the side of the connecting pipe 18 away from the spray head 17 is connected with an external water pump (not shown).

[0039] The working principle of the utility model is as follows: first, the inner ring of the hob blade 19 is arranged on the three sets of limiting plates 502, an electric push rod 503 is arranged, the output end of the electric push rod 503 drives the connecting ring 504 to move forward, the connecting ring 504 drives the large connecting rod 505 to move forward, the three sets of limiting plates 502 are stretched to clamp the inner ring of the hob blade 19, the pull handle 10 is pulled, the pull handle 10 drives the sliding block 7 and the supporting rod 9 to move along the slide rail and the guide column 8 on one side of the bottom plate 1, the supporting rod 9 drives the fixed block 11, the moving rod 14 and the polishing block 15 to move, the pull ring 13 is pulled, the pull ring 13 drives the moving rod 14 and the polishing block 15 to pull backward and extrude, when the polishing block 15 is attached to the outer ring surface of the hob blade 19, the pull ring 13 is released, the moving rod 14 and the polishing block 15 are attached to the outer surface of the hob blade 19 through the counter thrust of the spring 12, a driving motor 3 is arranged, the output end of the driving motor 3 drives the transmission shaft 4 to rotate, the transmission shaft 4 drives the hob blade 19 clamped by the limiting assembly 5 and the three sets of limiting plates 502 to rotate, so that the hob blade 19 is sharpened along the polishing block 15, an external water pump is arranged, the water pump transmits water to the spray head 17 through the connecting pipe 18, and then the water is sprayed from the spray head 17 to cool the sharpened hob blade 19, the sprayed water falls into the collection tank 6, the electric push rod 503 is arranged, the output end of the electric push rod 503 drives the connecting ring 504 to move forward, the connecting ring 504 drives the large connecting rod 505 to pull backward, so that the three sets of limiting plates 502 are stretched to release the hob blade 19, and the hob blade 19 is removed to complete the sharpening.

[0040] The above embodiment is only used to illustrate the technical method of the utility model, and is not limited. Although the utility model is described in detail with reference to the preferred embodiment, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A rolling blade sharpening mechanism for a grass chopper, characterized by, Comprise: Limiting assembly (5), the limiting assembly (5) is used to clamp and limit cutter blade (19), the limiting assembly (5) includes Connecting barrel (501), electric push rod (503) is fixedly installed in the connecting barrel (501), and the output end of electric push rod (503) penetrates one side of connecting barrel (501) and is fixedly connected with connecting ring (504), connecting ring (504) is hingedly connected with large connecting rod (505) on the connecting ring (504), and large connecting rod (505) is hingedly connected with limiting plate (502) on the side away from connecting ring (504), one side of limiting plate (502) is hingedly connected with small connecting rod (506), and small connecting rod (506) is hingedly connected with connecting barrel (501) on the side away from limiting plate (502).

2. A rolling blade sharpening mechanism for a grass chopper according to claim 1, wherein The limiting plate (502), the large connecting rod (505), the small connecting rod (506) are all provided with three groups and are arranged in annular arrangement, the outside of the limiting plate (502) is connected with the inside of the cutter blade (19).

3. A grass cutter's rolling blade sharpening mechanism as claimed in claim 2 wherein, It also includes a bottom plate (1), one side of the bottom plate (1) is fixedly installed with a support plate (2), and one side of the support plate (2) is fixedly installed with a drive motor (3), and the output end of the drive motor (3) is fixedly connected with a transmission shaft (4), and the transmission shaft (4) is fixedly connected with one side of the connecting barrel (501) away from the drive motor (3).

4. A rolling blade sharpening mechanism for a grass chopper according to claim 3, wherein The transmission shaft (4) is rotatably connected to the middle of the support plate (2), and the bottom plate (1) is provided with a collection tank (6), the collection tank (6) is arranged in the middle of the bottom plate (1), and the collection tank (6) is used for collecting sprayed water stains.

5. A grass cutter's rolling blade sharpening mechanism as claimed in claim 4 wherein, The slide rail provided on one side of the bottom plate (1) is slidably connected with a sliding block (7), and the sliding block (7) is fixedly connected with a support rod (9), and one side of the support rod (9) is fixedly connected with a pulling handle (10), and one side of the support rod (9) away from the sliding block (7) is fixedly connected with a fixed block (11).

6. A grass cutter's rolling blade sharpening mechanism as claimed in claim 5 wherein, The slide rail provided on the bottom plate (1) is fixedly installed with a guide column (8), and the guide column (8) is slidably connected with the sliding block (7).

7. A grass cutter's rolling blade sharpening mechanism as claimed in claim 6 wherein, One side of the fixed block (11) is slidably connected with a moving rod (14), and one side of the moving rod (14) is fixedly connected with a polishing block (15), and the inner side of the polishing block (15) is connected with the outer side of the cutter blade (19), the other side of the moving rod (14) is fixedly connected with a spring (12), and the spring (12) is fixedly connected with the fixed block (11) away from the moving rod (14), the slide rail provided on the side of the fixed block (11) is slidably connected with a pull ring (13), and the pull ring (13) is fixedly connected with the moving rod (14).

8. A rolling blade sharpening mechanism for a grass chopper according to claim 7, wherein The fixed block (11) is fixedly installed with a connecting rod (16), and the connecting rod (16) is hingedly connected with a spray head (17) away from the fixed block (11), and the spray head (17) is fixedly connected with a connecting pipe (18).

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