阅读说明：本技术 一种减少刀片磨损可自身磨刀的割草机 (Mower capable of reducing blade abrasion and sharpening by itself ) 是由 吴怡婷 于 2020-11-20 设计创作，主要内容包括：本发明涉及园林草坪修剪设备技术领域,且公开了一种减少刀片磨损可自身磨刀的割草机,包括设备本体,所述设备本体的内部转动连接有转轴一,所述转轴一的底部固定连接有主刀片,所述转轴一的前后两侧通过第一齿轮组传动连接有转轴二,所述转轴二的底部固定连接有副刀片,所述转轴一的左侧通过第一齿轮组传动连接有转轴三。该减少刀片磨损可自身磨刀的割草机,通过集草轮切断缠绕的藤类和杂草、打碎土块,引导杂草至统一方向便于后续切割,副刀片的辅助在切割过程中减少刀片磨损的效果,延长刀片的使用寿命,在使用过程中能够磨刀,无需反复拆卸刀片,减轻员工的工作量,提高工作效率。(The invention relates to the technical field of garden lawn trimming equipment and discloses a mower capable of reducing blade abrasion and sharpening by itself. This but lawn mower of blade wearing and tearing self whetting a knife cuts off winding rattan and weeds, smashes the clod through grass-collecting wheel, guides weeds to the follow-up cutting of being convenient for of unified direction, and the supplementary effect that reduces blade wearing and tearing in cutting process of vice blade prolongs the life of blade, can whet a knife in the use, need not to dismantle the blade repeatedly, alleviates staff's work load, improves work efficiency.)

1. A lawn mower capable of reducing blade abrasion and sharpening by itself comprises an equipment body (1), and is characterized in that: the inside of equipment body (1) rotates and is connected with pivot one (2), the bottom fixedly connected with main blade (3) of pivot one (2), both sides are connected with pivot two (5) through first gear train (4) transmission around pivot one (2), the bottom fixedly connected with secondary blade (6) of pivot two (5), the left side of pivot one (2) is connected with pivot three (7) through first gear train (4) transmission, the top of pivot three (7) is linked with pivot four (9) through bevel gear train (8) transmission, the outside of pivot four (9) is connected with grass collecting wheel (11) through belt drive (10) transmission, the middle part fixedly connected with crossbeam frame (12) of equipment body (1), the inside fixedly connected with electro-magnet (13) of crossbeam frame (12), the inside rotation of crossbeam frame (12) left end is connected with triggers dwang (14), the right end of the trigger rotating rod (14) is fixedly connected with a magnet I (15), the left end of the bottom of the trigger rotating rod (14) is hinged with a feeler lever (16), the bottom of the feeler lever (16) is fixedly connected with a first return spring (17), the bottom end of the feeler lever (16) is fixedly connected with an electric contact (18), a second magnet (19) is connected inside the equipment body (1) in a limiting manner, a first rack (20) is fixedly connected to one side of the second magnet (19) far away from the electromagnet (13), the top of the second magnet (19) is fixedly connected with a second return spring (21), one side of the first rack (20) close to the center of the first rotating shaft (2) is fixedly connected with a third return spring (22), the tooth end of the first rack (20) is meshed with a first gear (23), and one side, close to the center of the equipment body (1), of the first gear (23) is fixedly connected with a knife stone (24).

2. The self-sharpening lawnmower of claim 1, wherein: the power of equipment body (1) is provided by the motor, the inside of equipment body (1) rotates the axis of rotation that is connected with pivot one (2), pivot two (5), pivot three (7), pivot four (9) and grass-collecting wheel (11) respectively.

3. The self-sharpening lawnmower of claim 1, wherein: the first gear set (4) consists of a driving gear and three driven gears.

4. The self-sharpening lawnmower of claim 1, wherein: the cutting ranges of the main blade (3) and the auxiliary blade (6) are not interfered, and the outer part of the main blade (3) is matched with the inner part of the knife stone (24).

5. The self-sharpening lawnmower of claim 1, wherein: the grass collecting wheel (11) is composed of crescent cutting edges and is arranged on a rotating shaft of the grass collecting wheel (11) at equal intervals.

6. The self-sharpening lawnmower of claim 1, wherein: the crossbeam frame (12) are V type structural support, and corresponding electro-magnet (13) are arranged for the oblique strip form, the bottom of triggering dwang (14) is provided with the column and extrudes, with feeler lever (16) symmetrical arrangement in the center both sides of triggering dwang (14).

7. The self-sharpening lawnmower of claim 1, wherein: the magnetism of the first magnet (15) is the same as that of the second magnet (19), the electric contact (18) is in circuit communication with the electromagnet (13), and the number of the second return springs (21) and the number of the third return springs (22) are four and are symmetrically arranged on the left lower side and the right upper side of the equipment body (1).

Technical Field

The invention relates to the technical field of garden lawn trimming equipment, in particular to a mower capable of reducing blade abrasion and sharpening by itself.

Background

The garden means that engineering technology and artistic means are applied in a certain region, natural environment which is artificially manufactured by reforming terrain, planting trees, flowers and plants, building buildings and arranging garden roads is required to be regularly trimmed in the garden greening process, and due to winding and winding of weeds and vine plants and winding of fine soil and stones, blades of the existing mower are accelerated to be abraded in mowing, the service life of the blades is shortened, meanwhile, the abraded blades are larger in destructiveness to the lawn, the torn grass blades are larger in wound, time is consumed for detaching the blades to sharpen the lawn, the steps are complex, and the working efficiency is reduced.

In order to solve the problems, the invention provides a mower capable of reducing blade abrasion and sharpening, which cuts off wound vines and weeds through a grass collecting wheel, breaks soil blocks, guides the weeds to a uniform direction for subsequent cutting, and has the advantages that the auxiliary blade assists in reducing the blade abrasion in the cutting process, the service life of the blade is prolonged, the blade can be sharpened in the use process, the blade does not need to be detached repeatedly, the workload of staff is reduced, and the working efficiency is improved.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the mower capable of reducing blade abrasion and sharpening by itself, which has the advantages of reducing blade abrasion and sharpening without disassembly, and solves the problems of abnormal blade abrasion and disassembly of a sharpened blade in mowing.

(II) technical scheme

In order to achieve the purposes of reducing the abrasion of the blade and sharpening the blade without disassembly, the invention provides the following technical scheme: a mower capable of reducing blade abrasion and sharpening by itself comprises an equipment body, wherein a first rotating shaft is rotatably connected inside the equipment body, a main blade is fixedly connected to the bottom of the first rotating shaft, a second rotating shaft is connected to the front side and the rear side of the first rotating shaft through a first gear set in a transmission manner, an auxiliary blade is fixedly connected to the bottom of the second rotating shaft, a third rotating shaft is connected to the left side of the first rotating shaft through a first gear set in a transmission manner, a fourth rotating shaft is connected to the top of the third rotating shaft through a bevel gear set in a transmission manner, a grass collecting wheel is connected to the outer portion of the fourth rotating shaft through a belt transmission manner, a cross beam frame is fixedly connected to the middle of the equipment body, an electromagnet is fixedly connected inside the cross beam frame, a trigger rotating rod is rotatably connected to the inside of the left end of the cross beam frame, a first magnet is, the bottom fixedly connected with reset spring of feeler lever is first, the bottom fixedly connected with electric contact of feeler lever, the inside limit connection of equipment body has magnet two, one side fixedly connected with rack one of keeping away from the electro-magnet of magnet two, two top fixedly connected with reset spring of magnet two, one side fixedly connected with reset spring three that rack one is close pivot one center, the tooth end meshing of rack one is connected with gear one, one side fixedly connected with whetstone that is close equipment body center of gear one.

Preferably, the power of the equipment body is provided by a motor, the rotating shafts of the first rotating shaft, the second rotating shaft, the third rotating shaft, the fourth rotating shaft and the grass collecting wheel are respectively and rotatably connected inside the equipment body, and a transmission foundation is provided for the work of mowing, grass collecting and discharging abnormal rolled-in weeds and soil blocks.

Preferably, the first gear set is composed of a driving gear and three driven gears.

Preferably, the cutting ranges of the main blade and the auxiliary blade are not interfered, the outer part of the main blade is matched with the inner part of the knife stone, and the main blade and the auxiliary blade are matched for use to reduce the abrasion of the blades in the cutting process.

Preferably, the grass collecting wheel is composed of crescent cutting edges and is equidistantly arranged on a rotating shaft of the grass collecting wheel, and the grass is conveniently cut by being guided by cutting off and winding weeds, breaking soil blocks, stones and crescent structures of the grass collecting wheel so that the grass is concentrated in the direction.

Preferably, the crossbeam frame is V type structural support, and the electro-magnet that corresponds is the twill form and arranges, the bottom of offending the dwang is provided with the column protrudingly, with the central both sides of feeler lever symmetrical arrangement at the trigger dwang, make touching of clod and stone trigger the rotation action of dwang.

Preferably, the first magnet and the second magnet have the same magnetism, the electric contact is communicated with the electromagnet circuit, and the number of the second return spring and the number of the third return spring are four and are symmetrically arranged on the left lower side and the right upper side of the equipment body.

(III) advantageous effects

Compared with the prior art, the invention provides the mower capable of reducing blade abrasion and sharpening by itself, and the mower has the following beneficial effects:

1. this but lawn mower of blade wearing and tearing self whetting a knife reduces, the operation of the rotatory transmission structure that drives through pivot one, transmit power respectively to grass collecting wheel, the main blade, vice blade, grass collecting wheel cuts off winding rattan and weeds, smash the soil block, and guide weeds to the follow-up cutting of being convenient for of unified direction, the supplementary cutting of vice blade, alleviate the wearing and tearing of main blade, it receives the accumulational power of stone to trigger rotatory messenger's stone and rolls out to equipment body outside to trigger the dwang, thereby reach the effect that reduces blade wearing and tearing in cutting process, the life of extension blade.

2. This but lawn mower of blade wearing and tearing self whetting a knife through the electromagnet repulsion magnet two causes the rack that magnet two links to move in the direction of repulsion earlier on, and the rotatory whetstone that drives of gear that the meshing is connected rotates thereupon rotates to main blade place plane, and low-speed rotation pivot one to reach the effect of automatic whetting a knife, need not to dismantle the blade repeatedly, alleviate staff's work load, improve work efficiency.

Drawings

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

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

FIG. 3 is a schematic view of a first gear set of the present invention;

FIG. 4 is a schematic view of a first gear of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 6 is an enlarged view of the structure of the present invention shown at B in FIG. 2;

fig. 7 is an enlarged view of the structure of the present invention shown at C in fig. 2.

In the figure: 1. an apparatus body; 2. a first rotating shaft; 3. a main blade; 4. a first gear set; 5. a second rotating shaft; 6. a secondary blade; 7. a rotating shaft III; 8. a bevel gear set; 9. a rotating shaft IV; 10. belt transmission; 11. a grass collecting wheel; 12. a cross beam frame; 13. an electromagnet; 14. triggering the rotating rod; 15. a first magnet; 16. a feeler lever; 17. a first return spring; 18. an electrical contact; 19. a second magnet; 20. a first rack; 21. a second return spring; 22. a third return spring; 23. a first gear; 24. and (7) grinding a knife stone.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a mower capable of reducing blade wear and self-sharpening comprises a mower body 1, wherein a first rotating shaft 2 is rotatably connected inside the mower body 1, a first main blade 3 is fixedly connected to the bottom of the first rotating shaft 2, the cutting ranges of the first main blade 3 and a second main blade 6 are not interfered, the outside of the first main blade 3 is matched with the inside of a sharpening stone 24, the main blade 3 and the second main blade 6 are used in a matched mode to reduce blade wear in the cutting process, a second rotating shaft 5 is connected to the front side and the rear side of the first rotating shaft 2 in a transmission mode through a first gear set 4, the first gear set 4 is composed of a driving gear and three driven gears, the bottom of the second rotating shaft 5 is fixedly connected with the second auxiliary blade 6, the left side of the first rotating shaft 2 is connected with a third rotating shaft 7 in a transmission mode through the first gear set 4, power of the mower body, The rotating shafts of the second rotating shaft 5, the third rotating shaft 7, the fourth rotating shaft 9 and the grass collecting wheel 11 provide a transmission basis for the work of mowing, collecting grass and discharging abnormal reeled weeds and soil blocks, the top of the third rotating shaft 7 is in transmission link with the fourth rotating shaft 9 through a bevel gear set 8, the outer part of the fourth rotating shaft 9 is in transmission connection with the grass collecting wheel 11 through a belt transmission 10, the grass collecting wheel 11 consists of crescent cutting edges and is equidistantly arranged on the rotating shaft of the grass collecting wheel 11, the grass is cut off and wound by the grass collecting wheel 11, the soil blocks, stones and crescent structures are guided to enable the directions of the grass to be concentrated together for convenient cutting, a transverse beam frame 12 is fixedly connected to the middle part of the equipment body 1, the transverse beam frame 12 is a V-shaped structural support, the corresponding electromagnets 13 are arranged in an oblique strip shape, columnar protrusions are arranged at the bottom of the trigger rotating rod 14 and are symmetrically arranged on two sides of the center of the trigger rotating rod 14, the device comprises a trigger rotating rod 14, an electromagnet 13, a trigger rotating rod 14, a first magnet 15, a first reset spring 17, an electric contact 18, a second magnet 19, a first reset spring 21 and a second reset spring 22, wherein the first reset spring 21 and the second reset spring 22 are symmetrically arranged on the left lower side and the right upper side of a device body 1, the first rack 20 is fixedly connected to one side of the second magnet 19, which is far away from the electromagnet 13, the second reset spring 21 is fixedly connected to the top of the second magnet 19, a return spring III 22 is fixedly connected to one side, close to the center of the rotating shaft I2, of the rack I20, a gear I23 is connected to the tooth end of the rack I20 in a meshed mode, and a knife stone 24 is fixedly connected to one side, close to the center of the equipment body 1, of the gear I23.

The working process and principle are as follows: when the mower works, the power of the rotating shaft I2 comes from an equipment motor, the left side of the rotating shaft I2 is in transmission connection with a rotating shaft III 7 through a first gear set 4, the rotating shaft III 7 is in transmission connection with a rotating shaft IV 9 through a bevel gear set 8, the rotating shaft IV 9 is in transmission connection with a grass collecting wheel 11 through a belt transmission 10, at the moment, in the advancing direction of the mower, the wound weed is cut off by a crescent-shaped cutting edge of the grass collecting wheel 11 and is arranged on a line along the cutting edge direction, while the lawn along the normal growing direction is concentrated together along the space without the cutting edge of the grass collecting wheel 11, a large soil block is directly smashed by the cutting edge of the grass collecting wheel 11, the rest fine stones stay at the original position along the direction of the grass collecting wheel 11, the mower advances to enable the stones to reach a contact rod 16 hinged to the bottom of a trigger rotating rod 14, at the moment, the contact rod 16 is subjected to higher force, until the electric contact 18 at the bottom of the feeler lever 16 is communicated, the electromagnet 13 is excited, the electromagnet 13 repels the first magnet 15, the first magnet 15 is forced to move to drive the trigger rotating lever 14 to rotate in the cross beam 12, the feeler lever 16 hinged at the bottom of the trigger rotating lever 14 and the branch rotation at the bottom drive the stone to rotate to the position of the next feeler lever 16, and simultaneously the electromagnet 13 is excited again to repel the next feeler lever 16 to drive the stone to rotate and discharge to the outside of the equipment body 1, so that the stone soil blocks and weed vines are prevented from aggravating the abrasion of the main blade 3, through the transmission of the first gear set 4, the rotation of the second rotating shaft 5 drives the auxiliary blade 6 fixedly connected at the bottom to rotate and cut weeds rolled at two ends, the cutting pressure of the main blade 3 is reduced, the blade abrasion condition in the using process is reduced, when the knife grinding is needed, the current direction led into the electromagnet 13 is changed, at the moment, the two magnets 19 move towards one side of the center of the equipment body 1 under the action of repulsive magnetic force under the limitation of the cross beam frame 12 to drive the fixedly connected first racks 20 to move in the same direction, the top ends of the first racks 20 are connected with the first gears 23 in a meshed mode, the outer portion, close to one side of the center of the equipment body 1, of the first gears 23 is fixedly connected with the knife grinder 24, at the moment, along with the movement of the first racks 20, the first gears 23 drive the knife grinder 24 to rotate to the plane where the main blade 3 is located, and the equipment is started to grind the blade at a low speed gear.

In conclusion, the mower capable of reducing blade abrasion and sharpening the cutter by itself drives the transmission structure to operate through the rotation of the first rotating shaft 2, power is transmitted to the grass collecting wheel 11, the main blade 3 and the auxiliary blade 6 respectively, the grass collecting wheel 11 cuts off wound vines and weeds and breaks soil blocks, weeds are guided to be in a uniform reverse direction to facilitate subsequent cutting, the auxiliary cutting of the auxiliary blade 6 reduces the abrasion of the main blade 3, the rotating rod 14 is triggered to rotate by the force accumulated by stones so that the stones roll out of the mower body 1, the effect of reducing blade abrasion in the cutting process is achieved, and the service life of the blades is prolonged.

In addition, the mower capable of reducing the blade abrasion and sharpening by itself repels the magnet II 19 through the electromagnet 13, so that the rack I20 connected with the magnet II 19 moves towards the direction of repulsion, the gear I23 in meshing connection rotates along with the gear I to drive the sharpening stone 24 to rotate to the plane where the main blade 3 is located, and the rotating shaft I2 rotates at a low speed, so that the automatic sharpening effect is achieved, the blades do not need to be repeatedly disassembled, the workload of workers is reduced, and the working efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.