CN216392138U

CN216392138U - Weeding device for farming

Info

Publication number: CN216392138U
Application number: CN202122943151.9U
Authority: CN
Inventors: 王丽娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-29
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a weeding device for agricultural planting, and relates to the technical field of agricultural weeding equipment. The weed cutting device comprises a handheld rod and a mounting frame arranged on the handheld rod, wherein a dust extraction box is horizontally and rotatably arranged on the mounting frame, one end of the dust extraction box is open, an air extraction assembly is rotatably arranged in the dust extraction box, one end of the dust extraction box is communicated with a dust exhaust pipe, a cutting knife for cutting weeds is arranged on the outer side of the dust extraction box, a sliding groove is horizontally formed in the mounting frame, a sliding block is slidably arranged in the sliding groove, and a buffer spring is arranged between the sliding block and the sliding groove. Compared with the prior art, the weed cutting device has the advantages that the ventilation assembly enables workers not to absorb excessive dust when cutting weeds, so that damage to the workers caused by the dust is reduced, the linkage piece is matched with the sliding block and the buffer spring, so that the damage to the cutting knife can be reduced when the cutting knife is hard, the service life of the cutting knife is prolonged, and the possibility of knife breakage is reduced.

Description

Weeding device for farming

Technical Field

The utility model relates to the technical field of agricultural weeding equipment, in particular to a weeding device for agricultural planting.

Background

Agriculture is an industry that uses growth and development laws of animals and plants to obtain products through artificial cultivation, weeds are usually removed through a handheld mower in the agricultural planting process, and the mower is also called a weeder, a grass mower, a lawn trimmer and the like. The mower is a mechanical tool for trimming lawn, vegetation and the like, and consists of a cutter head, an engine, a handrail, a control part and the like.

And current lawn mower when using, can hardly avoid in the weeds to have some stones and some hard things, when the blade that lawn mower pivoted cut the stone on, lead to the blade to damage easily, the phenomenon that can appear collapsing the sword seriously, has certain potential safety hazard, and when cutting weeds, the dust that covers on the weeds can be raised to by the worker suction lung, long-time work can cause certain influence to worker's health, current cutting machine does not have the effect of handling the dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a weeding device for agricultural planting, and aims to solve the problems that when an existing mower is used, a rotating blade of the mower is cut on a stone, the blade is easy to damage, the blade can be broken seriously, certain potential safety hazards exist, and dust covered on weeds can be raised when the weeds are cut, so that certain influence can be caused on the bodies of workers.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a weeding device for farming, includes handheld pole and installs mounting bracket on the handheld pole, the mounting bracket is improved level and is rotated and install the dust extraction box, dust extraction box one end is installed convulsions subassembly for opening and inside rotation, dust extraction box one end intercommunication has the dust exhaust pipe, the dust extraction box outside is installed and is used for cutting ruderal cutting knife, the spout has been seted up to the mounting bracket upper level, slidable mounting has the slider in the spout, the slider with install buffer spring between the spout, the slider with be connected with the linkage between the dust extraction box, work as when dust extraction box rotates, through the linkage so that the slider removes, in order to form the slider extrusion or extension buffer spring.

Furthermore, the linkage piece is a hinge rod hinged on the sliding block, and the free end of the hinge rod is hinged on the dust extraction box.

Further, a guide rod is installed between two inner walls which are far away from each other in the sliding groove, and the sliding block is sleeved on the guide rod in a sliding mode.

Further, buffer spring's quantity is two and all overlaps and establish on the guide bar, the slider is located two between the buffer spring, two buffer spring's one end with the slider is connected, two buffer spring's the other end respectively with spout inner wall is connected.

Furthermore, the air draft assembly comprises an air draft fan blade which is rotatably installed inside the dust draft box, a linkage assembly is installed between the air draft fan blade and the cutting knife, and when the cutting knife rotates, the linkage assembly enables the air draft fan blade to rotate.

Furthermore, the cutting knife is rotatably installed on the dust extraction box through a rotating shaft, the linkage assembly comprises a first bevel gear installed at the center of one side of the dust extraction fan blade, a rotating rod is rotatably installed on the dust extraction box, a second bevel gear meshed with the first bevel gear is installed on the rotating rod, transmission wheels are installed on the rotating rod and the rotating shaft, and a synchronous belt is synchronously connected between the two transmission wheels.

Further, a shade used for shielding the driving wheel and the synchronous belt is installed on the outer side of the dust extraction box, a horn-shaped guide cover is installed at the opening end of the dust extraction box, and a filter screen is installed at the end of the guide cover.

The utility model has the following beneficial effects:

1. compared with the prior art, the weed cutting device has the advantages that the ventilation assembly enables workers not to absorb excessive dust when cutting weeds, so that damage to the workers caused by the dust is reduced, the linkage piece is matched with the sliding block and the buffer spring, so that damage to the cutting knife can be reduced when the cutting knife cuts hard objects, the service life of the cutting knife is prolonged, and the possibility of knife breakage is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a cross-sectional view taken in the direction B-B of FIG. 3 in accordance with the present invention;

reference numerals: 1. a hand-held wand; 2. a mounting frame; 3. a chute; 4. a slider; 5. a buffer spring; 6. an air draft assembly; 601. an extraction fan blade; 7. a dust exhaust pipe; 8. a cutting knife; 9. a linkage member; 10. a guide bar; 11. a linkage assembly; 1101. a first bevel gear; 1102. rotating the rod; 1103. a second bevel gear; 1104. a driving wheel; 1105. a synchronous belt; 12. masking; 13. a guide cover; 14. a filter screen; 15. a dust extraction box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-5, a weeding device for agricultural planting comprises a handheld rod 1 and a mounting frame 2 mounted on the handheld rod 1, wherein a dust extraction box 15 is horizontally and rotatably mounted on the mounting frame 2, an air extraction component 6 is rotatably mounted at one end of the dust extraction box 15 and is open, one end of the dust extraction box 15 is communicated with a dust exhaust pipe 7, a cutting knife 8 for cutting weeds is mounted at the outer side of the dust extraction box 15, preferably, as shown in fig. 2, a frame body is mounted at the outer side of the dust extraction box 15, a disc is mounted on the frame body, the cutting knife 8 is rotatably mounted at the bottom of the disc, the design of the disc plays a role of protection, when the cutting knife 8 is about to cut a passing pedestrian, the injury to the pedestrian is reduced, a chute 3 is horizontally formed on the mounting frame 2, a sliding block 4 is slidably mounted in the chute 3, a buffer spring 5 is mounted between the sliding block 4 and the sliding chute 3, and a linkage 9 is connected between the sliding block 4 and the dust extraction box 15, when the dust pumping box 15 rotates, the slide block 4 moves through the linkage part 9 to form the buffer spring 5 extruded or extended by the slide block 4, when the device is used, the cutting knife 8 rotates to cut weeds, when the device is used, the air pumping assembly 6 is started to pump part of raised dust into the dust pumping box 15 and then discharge the dust from the dust exhaust pipe 7, it needs to be explained that the dust exhaust pipe 7 can be externally connected with a hose, and part of dust can be discharged into other positions when the dust is cut, so that the dust suction amount of a user is reduced, the harm of the dust to the body of the worker is reduced, when the cutting knife 8 hits hard objects when the cutting knife 8 cuts, the cutting knife 8 can be bounced, so that the dust pumping box 15 rotates horizontally, when the dust pumping box 15 rotates, the slide block 4 moves through the linkage part 9, so that the buffer spring 5 is extruded or extended, and the buffer effect of reducing buffering is achieved, compared with the prior art, the device makes the staff can not absorb too much dust when cutting weeds through convulsions subassembly 6 to reduce the harm that the dust brought for the staff, interlock 9 cooperation slider 4 and buffer spring 5 make cutting knife 8 can reduce the damage that cutting knife 8 received when cutting hard thing, improved cutting knife 8's life, reduced the possibility that bursts up the sword.

As shown in fig. 1 and 2, in some embodiments, the linkage 9 is a hinged rod hinged to the sliding block 4, and a free end of the hinged rod is hinged to the dust box 15, that is, the dust box 15 moves while driving the hinged rod to move, and since both ends of the hinged rod are hinged, the dust box 15 moves to pull the sliding block 4 to move through the hinged rod, so as to compress or extend the buffer spring 5.

As shown in fig. 1, 2 and 5, in some embodiments, a guide rod 10 is installed between two inner walls far away from each other inside the chute 3, the sliding block 4 is slidably sleeved on the guide rod 10, and the guide rod 10 is designed to perform guiding and limiting functions, so that the guide rod 10 is more smooth when moving.

As shown in fig. 1, 2 and 5, in some embodiments, the number of the buffer springs 5 is two, the two buffer springs are all sleeved on the guide rod 10, the slider 4 is located between the two buffer springs 5, one end of each of the two buffer springs 5 is connected with the slider 4, and the other end of each of the two buffer springs 5 is connected with the inner wall of the chute 3, that is, when the slider 4 moves, one of the buffer springs 5 is in an extrusion state, the other buffer spring is in an extension state, and the buffer spring 5 is sleeved on the guide rod 10 to prevent the buffer spring 5 from being bent, so as to achieve the purpose of protection.

As shown in fig. 1, 2 and 4, in some embodiments, the ventilation assembly 6 includes a ventilation fan blade 601 rotatably installed inside the ventilation box 15, and a linkage assembly 11 is installed between the ventilation fan blade 601 and the cutting blade 8, so that the ventilation fan blade 601 rotates through the linkage assembly 11 when the cutting blade 8 rotates, that is, when cutting weeds, the ventilation fan blade 601 rotates through the linkage assembly 11, thereby generating suction force, and drawing external dust into the ventilation box.

As shown in fig. 1, 2 and 4, in some embodiments, the cutting blade 8 is rotatably mounted on the dust box 15 through a rotating shaft, the linkage assembly 11 includes a first bevel gear 1101 mounted at a central position of one side of the fan blade 601, a rotating rod 1102 is rotatably mounted on the dust box 15, a second bevel gear 1103 mounted on the rotating rod 1102 and engaged with the first bevel gear 1101, driving wheels 1104 are mounted on both the rotating rod 1102 and the rotating shaft, a timing belt 1105 is synchronously connected between the two driving wheels 1104, and when the cutting blade 8 rotates, the driving wheels 1104 mounted on the rotating shaft are driven to rotate, so that the other transmission wheel 1104 is driven by the synchronous belt 1105, and the rotating rod 1102 is driven to rotate, the rotating rod 1102 rotates to drive the second bevel gear 1103 arranged on the rotating rod 1102 to rotate, thereby rotating the first bevel gear 1101 engaged with the second bevel gear 1103, and realizing the rotation of the exhaust fan blade 601.

As shown in fig. 2 and 4, in some embodiments, a cover 12 for shielding the driving wheel 1104 and the synchronous belt 1105 is installed outside the dust extraction box 15, a trumpet-shaped guide cover 13 is installed at an open end of the dust extraction box 15, a filter screen 14 is installed at an end of the guide cover 13, the cover 12 is designed to prevent a part of weeds from winding into the synchronous belt 1105 to cause machine damage when the weeds are cut, and the filter screen 14 is designed to prevent hard objects and large weeds from being sucked into the dust extraction box 15, so as to achieve the purpose of protection.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The weeding device for agricultural planting is characterized by comprising a handheld rod (1) and a mounting frame (2) mounted on the handheld rod (1), wherein a dust extraction box (15) is mounted on the mounting frame (2) in a horizontal rotating mode, one end of the dust extraction box (15) is provided with an air extraction assembly (6) in an opening and internal rotating mode, one end of the dust extraction box (15) is communicated with a dust exhaust pipe (7), a cutting knife (8) used for cutting weeds is mounted on the outer side of the dust extraction box (15), a sliding groove (3) is formed in the mounting frame (2) in the upper horizontal mode, a sliding block (4) is mounted in the sliding groove (3), a buffer spring (5) is mounted between the sliding block (4) and the sliding groove (3), a linkage piece (9) is connected between the sliding block (4) and the dust extraction box (15), and when the dust extraction box (15) rotates, the slide block (4) is moved through the linkage piece (9) to form the buffer spring (5) extruded or extended by the slide block (4).

2. A weeding device for agricultural planting according to claim 1, wherein the linkage (9) is a hinged rod hinged to the sliding block (4), and the free end of the hinged rod is hinged to the dust box (15).

3. The weeding device for agricultural planting according to claim 1, wherein a guide rod (10) is installed between two inner walls of the chute (3) that are far away from each other, and the sliding block (4) is slidably sleeved on the guide rod (10).

4. The weeding device for agricultural planting according to claim 3, wherein the number of the buffer springs (5) is two, the two buffer springs are sleeved on the guide rod (10), the sliding block (4) is located between the two buffer springs (5), one ends of the two buffer springs (5) are connected with the sliding block (4), and the other ends of the two buffer springs (5) are respectively connected with the inner wall of the sliding groove (3).

5. The weeding device for agricultural planting according to claim 1, wherein the ventilation assembly (6) comprises a ventilation fan blade (601) rotatably mounted inside the dust box (15), a linkage assembly (11) is mounted between the ventilation fan blade (601) and the cutting knife (8), and when the cutting knife (8) rotates, the ventilation fan blade (601) rotates through the linkage assembly (11).

6. The weeding device for agricultural planting according to claim 5, wherein the cutting knife (8) is rotatably mounted on the dust extraction box (15) through a rotating shaft, the linkage assembly (11) comprises a first bevel gear (1101) mounted at the center of one side of the fan blade (601), a rotating rod (1102) is rotatably mounted on the dust extraction box (15), a second bevel gear (1103) meshed with the first bevel gear (1101) is mounted on the rotating rod (1102), driving wheels (1104) are mounted on the rotating rod (1102) and the rotating shaft, and a synchronous belt (1105) is synchronously connected between the two driving wheels (1104).

7. The weeding device for agricultural planting according to claim 6, wherein a shade (12) for shielding the transmission wheel (1104) and the synchronous belt (1105) is installed on the outer side of the dust extraction box (15), a horn-shaped guide cover (13) is installed at the opening end of the dust extraction box (15), and a filter screen (14) is installed at the end of the guide cover (13).