阅读说明：本技术 刀片缠绕清理装置、割草机及实现方法 (Blade winding cleaning device, mower and implementation method ) 是由 李君� 王瀚庆 吴俊鹏 李�灿 张文宇 王思凡 王涛 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种刀片缠绕清理装置、割草机及实现方法,包括刀架装置、压刀装置和丝杆驱动机构；所述刀架装置包括刀架、割草刀、滑块、传动轴和回位弹簧；所述割草刀安装在刀架上,所述滑块设置于刀架内部,且滑块一端与回位弹簧连接,由滑块支撑割草刀于初始位置,所述刀架与传动轴固定连接,用于驱动割草刀进行割草工作；当压刀装置下行时,压刀装置压动滑块向内移动至收纳状态,此时回位弹簧被压缩；当压刀装置上行时,在回位弹簧的作用下,推动割草刀恢复初始位置,本发明的刀片缠绕清理装置可以避免刀片缠绕时进行人工换刀清理,有效提高割草机的工作效率；本发明的割草机可以控制底盘升降机构调整至合适作业高度,继续进行割草作业。(The invention discloses a blade winding cleaning device, a mower and an implementation method, wherein the blade winding cleaning device comprises a knife rest device, a knife pressing device and a screw rod driving mechanism; the knife rest device comprises a knife rest, a mowing knife, a sliding block, a transmission shaft and a return spring; the mowing tool is arranged on the tool rest, the sliding block is arranged in the tool rest, one end of the sliding block is connected with the return spring, the sliding block supports the mowing tool at an initial position, and the tool rest is fixedly connected with the transmission shaft and used for driving the mowing tool to perform mowing work; when the knife pressing device moves downwards, the knife pressing device presses the sliding block to move inwards to a storage state, and the return spring is compressed; when the cutter pressing device moves upwards, the mowing cutter is pushed to restore to the initial position under the action of the return spring, and the blade winding and cleaning device can avoid manual cutter changing and cleaning when blades are wound, so that the working efficiency of the mower is effectively improved; the mower can control the chassis lifting mechanism to adjust to a proper operation height, and continue mowing operation.)

1. A blade winding cleaning device is characterized by comprising a tool rest device, a tool pressing device and a screw rod driving mechanism;

the knife rest device comprises a knife rest, a mowing knife, a sliding block, a transmission shaft and a return spring; the mowing tool is arranged on the tool rest, the sliding block is arranged in the tool rest, one end of the sliding block is connected with the return spring, the sliding block supports the mowing tool at an initial position, and the tool rest is fixedly connected with the transmission shaft and used for driving the mowing tool to perform mowing work; when the knife pressing device moves downwards, the knife pressing device presses the sliding block to move inwards to a storage state, and the return spring is compressed; when the cutter pressing device moves upwards, the mowing cutter is pushed to restore to the initial position under the action of the return spring;

the pressing knife device comprises a pressing knife circular ring, a cleaning device and a combing and brushing device; the cleaning device is positioned on the lower side of the inner wall of the circular ring of the pressing cutter, and cuts objects wound on the surface of the mowing cutter in the descending process of the pressing cutter device; the combing and brushing device is positioned on the upper side of the inner wall of the circular ring of the pressing knife and is used for secondarily cleaning residual wound objects on the surface of the mowing knife;

the screw rod driving mechanism comprises a screw rod, a screw rod driving motor and a guide rod; the screw rod is arranged on the pressing cutter circular ring and is in threaded connection with the pressing cutter circular ring, and the pressing cutter device is driven to move up and down by the screw rod driving motor; the guide rod is arranged on the pressing knife circular ring, is connected with the pressing knife circular ring bearing and is used for stabilizing the pressing knife circular ring; and the screw rod driving motor is used for driving the screw rod to move up and down.

2. The blade winding cleaning device of claim 1, further comprising two spring hook seats for securing the return spring, one of the spring hook seats being disposed at the end of the slider and the other spring hook seat being disposed within the blade holder.

3. The blade winding cleaning device according to claim 1, wherein the cleaning device is a multi-layer annular blade provided on an inner wall of a ring of the pressing blade.

4. The blade entanglement cleaning device for a mower according to claim 1, wherein the combing means is provided evenly on the upper side inside the blade pressing ring.

5. The blade wrap cleaning apparatus of claim 1 wherein the blade press means is maintained perpendicular to the initial state of the mowing blade.

6. A mower comprising the blade wrap cleaning apparatus of any one of claims 1 to 5, a chassis lift mechanism, an engine, and a lead screw drive motor, the chassis lift mechanism comprising a movable chassis for supporting the engine and the lead screw drive motor and a motor drive mechanism; the motor transmission mechanism is used for driving the movable chassis to move and adjusting the movable chassis to a proper height.

7. The mower of claim 6 wherein the chassis lift mechanism further comprises a worm and gear mechanism, the worm and gear mechanism and the chassis lift mechanism cooperating to control the movable chassis 16 to adjust to a desired height.

8. A lawnmower as claimed in claim 6, wherein the upper part of the blade wrap cleaning device is provided in a protective housing mounted on a movable chassis.

9. The mower of claim 6 further comprising a shock spring disposed on the movable chassis.

10. Method for realising a grass-cutting machine according to claim 6, characterised in that it comprises the following steps:

when the mower is wound by a blade, the chassis lifting mechanism is controlled to adjust the movable chassis to a proper height, so that the mowing blade is prevented from being touched when being stored;

the screw rod driving motor controls the screw rod to drive the cutter pressing device to move downwards, the cutter pressing ring presses the mowing cutter to move, and the mowing cutter is accommodated under the action of the sliding block and the return spring; in the descending process, the cleaning device starts to clean the wound objects on the surface of the mowing knife, and the combing and brushing device is used for secondarily cleaning the residual wound objects on the surface of the mowing knife;

after the cleaning work is finished, the screw rod driving motor controls the screw rod to drive the cutter pressing device to move upwards; the slide block pushes the mowing knife to return to the initial position under the action of the return spring;

the chassis lifting mechanism is controlled to adjust the movable chassis to the initial height, and the mowing operation can be continued.

Technical Field

The invention relates to the field of agricultural machinery, in particular to an orchard mower, and specifically relates to a blade winding cleaning device, a mower and an implementation method.

Background

Nowadays, compared with the traditional manual operation, the mower applied to the orchard for mowing has higher working efficiency. However, in the operation process, the mowing knife is easy to cut objects such as stalks and the like to cause blade winding. The existing mower usually comprises a gear transmission case and a grass mowing head connected with an output shaft of the gear transmission case, and a gap exists between a gear case shell of the gear transmission case and a grass mowing head shell of the grass mowing head, so that in the working process of the mower, a part of weeds can be wound on the output shaft between the gear case shell and the grass mowing head shell, the grass mowing head load is increased, the rotating speed is reduced, even the output shaft is blocked, and the machine is damaged. Often meet similar situation and need stop the operation, the manual work is cleared up or the tool changing, greatly reduced work efficiency like this and from the programming degree lower.

Disclosure of Invention

The invention mainly aims to overcome the defects in the prior art, provides the blade winding cleaning device, the mower and the implementation method, solves the problem of blade winding of the orchard mower, greatly reduces the probability of stopping for cleaning or changing the blades, and effectively improves the working efficiency of the mower.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a blade winding cleaning device which comprises a tool rest device, a tool pressing device and a screw rod driving mechanism, wherein the tool rest device is arranged on the tool rest device;

the knife rest device comprises a knife rest, a mowing knife, a sliding block, a transmission shaft and a return spring; the mowing tool is arranged on the tool rest, the sliding block is arranged in the tool rest, one end of the sliding block is connected with the return spring, the sliding block supports the mowing tool at an initial position, and the tool rest is fixedly connected with the transmission shaft and used for driving the mowing tool to perform mowing work; when the knife pressing device moves downwards, the knife pressing device presses the sliding block to move inwards to a storage state, and the return spring is compressed; when the cutter pressing device moves upwards, the mowing cutter is pushed to restore to the initial position under the action of the return spring;

the pressing knife device comprises a pressing knife circular ring, a cleaning device and a combing and brushing device; the cleaning device is positioned on the lower side of the inner wall of the circular ring of the pressing cutter, and cuts objects wound on the surface of the mowing cutter in the descending process of the pressing cutter device; the combing and brushing device is positioned on the upper side of the inner wall of the circular ring of the pressing knife and is used for secondarily cleaning residual wound objects on the surface of the mowing knife;

the screw rod driving mechanism comprises a screw rod, a screw rod driving motor and a guide rod; the screw rod is arranged on the pressing cutter circular ring and is in threaded connection with the pressing cutter circular ring, and the pressing cutter device is driven to move up and down by the screw rod driving motor; the guide rod is arranged on the pressing knife circular ring, is connected with the pressing knife circular ring bearing and is used for stabilizing the pressing knife circular ring; and the screw rod driving motor is used for driving the screw rod to move up and down.

As the preferred technical scheme, the spring hook seat for fixing the return spring is further included, two spring hook seats are provided, one spring hook seat is arranged at the tail end of the sliding block, and the other spring hook seat is arranged in the tool rest.

As a preferable technical scheme, the cleaning device is a multi-layer annular blade arranged on the inner wall of the circular ring of the pressing cutter.

As the preferred technical scheme, the combing and brushing devices are uniformly arranged on the upper side inside the circular ring of the pressing knife.

Preferably, the pressing knife device and the mowing knife are kept perpendicular to each other in the initial state.

Another aspect of the invention provides a lawn mower comprising the blade winding cleaning device of claim, a chassis lifting mechanism, an engine and a lead screw drive motor, wherein the chassis lifting mechanism comprises a movable chassis and a motor transmission mechanism, and the movable chassis is used for supporting the engine and the lead screw drive motor; the motor transmission mechanism is used for driving the movable chassis to move and adjusting the movable chassis to a proper height.

As a preferred technical scheme, the chassis lifting mechanism further comprises a worm gear mechanism, and the worm gear mechanism and the chassis lifting mechanism are matched with each other to control the movable chassis to be adjusted to a proper height.

Preferably, the upper part of the blade winding cleaning device is arranged in a protective shell, and the protective shell is arranged on the movable chassis.

As the preferred technical scheme, the damping device further comprises a damping spring, and the damping spring is arranged on the movable chassis.

In another aspect of the present invention, a method for implementing a lawn mower is provided, including the following steps:

when the mower is wound by a blade, the chassis lifting mechanism is controlled to adjust the movable chassis to a proper height, so that the mowing blade is prevented from being touched when being stored;

the screw rod driving motor controls the screw rod to drive the cutter pressing device to move downwards, the cutter pressing ring presses the mowing cutter to move, and the mowing cutter is accommodated under the action of the sliding block and the return spring; in the descending process, the cleaning device starts to clean the wound objects on the surface of the mowing knife, and the combing and brushing device is used for secondarily cleaning the residual wound objects on the surface of the mowing knife;

after the cleaning work is finished, the screw rod driving motor controls the screw rod to drive the cutter pressing device to move upwards; the slide block pushes the mowing knife to return to the initial position under the action of the return spring;

the chassis lifting mechanism is controlled to adjust the movable chassis to the initial height, and the mowing operation can be continued.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the winding cleaning device is arranged at the bottom of the mower, and can quickly clean winding when a blade is wound in the working process of the mower, so that the complicated manual cleaning work can be avoided.

2. According to the winding cleaning device, the blades can be stored and cleaned under the matching of the chassis lifting mechanism and the cutter pressing device, the blades can be protected from collision, and cleaning work can be effectively carried out.

3. The winding cleaning device is simple in structure, convenient to operate and high in automation degree. Effectively solve lawn mower blade winding problem, reduce intensity of labour and cost of labor liberation productivity.

Drawings

FIG. 1 is a schematic structural view of a blade winding cleaning device according to the present invention;

FIG. 2 is a side view of the blade wrap cleaning apparatus of the present invention;

FIG. 3 is a schematic view of the mower of the present invention;

fig. 4(a) -4 (b) are schematic views of the grass cutter when the pressing blade device of the invention runs downwards.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.

Examples

As shown in fig. 1 and fig. 1-2, the blade winding cleaning device provided by the present embodiment is used on a mower, and includes a blade carrier device, a blade pressing device, a screw rod driving mechanism and a chassis lifting mechanism; the knife rest device comprises a knife rest 1, a mowing knife 2, a sliding block 10, a transmission shaft 8, a return spring 11 and a spring hook seat 12. The mowing knife 1 is arranged on the knife rest 2, and the mowing knife 1 is supported at an initial position by the sliding block 10; the knife rest 1 is fixedly connected with the transmission shaft 8 and is used for driving the mowing knife 2 to mow; the transmission shaft 8 is connected with an engine 13 and is used for transmitting the power of the engine; the sliding block 10 is positioned in the tool rest 1 and used for supporting the mowing knife 2 to be at an initial position, and when the knife pressing device descends, the sliding block 10 can move inwards to be in a storage state; when the cutter pressing device moves upwards, the mowing knife can be pushed to return to the initial position under the action of the return spring 11.

The pressing knife device comprises a pressing knife circular ring 9, a cleaning device 4 and a combing device 5; the cutter pressing ring 9 is in threaded connection with the screw rod 6, is in bearing connection with the guide rod 7 and can move up and down under the action of a screw rod driving mechanism; the cleaning device 4 is positioned on the lower side of the inner wall of the pressing knife circular ring 9, and cuts objects wound on the surface of the mowing knife 2 in the descending process of the pressing knife device; the combing and brushing device 5 is positioned on the upper side of the inner wall of the cutter pressing ring 9 and used for secondarily cleaning residual wound objects on the surface of the mowing cutter 2 to prevent blockage.

The screw rod driving mechanism comprises a screw rod 6, a screw rod driving motor 14 and a guide rod 7; the screw rod 6 is arranged on the pressing cutter circular ring 9 and is in threaded connection with the pressing cutter circular ring 9 under the driving of a screw rod driving motor 14 to drive the pressing cutter device to move up and down; the guide rod 7 is arranged on the pressing cutter circular ring 9, is in bearing connection with the pressing cutter circular ring 9 and is used for stabilizing the pressing cutter circular ring 9, reducing resistance and enabling the pressing cutter circular ring to be stable and flexible in up-and-down movement; the screw rod driving motor 14 is arranged on a movable chassis 16 of the mower and drives the screw rod 6 to move up and down.

It can be understood that the spring hook seat is used for fixing the return spring, and the two spring hook seats are arranged at the tail end of the sliding block and the other spring hook seat is arranged in the tool rest.

Furthermore, the cleaning device is a plurality of layers of annular blades arranged on the inner wall of the pressing knife circular ring; the annular blades are uniformly arranged on the inner wall of the press cutter ring and are of a multilayer structure, and when the press cutter ring goes downwards, sundries wound on the mowing cutter can be thoroughly cleaned.

Furthermore, the combing and brushing devices are uniformly arranged on the upper side inside the circular ring of the pressing knife, and after sundries on the mowing knife are separated, the combing and brushing devices are used for brushing the sundries off, so that the cleanness of the mowing knife is ensured.

In another embodiment of the present application, as shown in fig. 3, there is also provided a lawn mower comprising the blade-winding cleaning device of the above embodiment, a chassis lifting mechanism comprising a movable chassis for supporting the motor and the lead screw driving motor, a motor 13 and the lead screw driving motor 14; the motor transmission mechanism is used for driving the movable chassis to move and adjusting the movable chassis to a proper height.

Furthermore, the chassis lifting mechanism comprises a movable chassis 16, a worm and gear mechanism 17 and a chassis lifting mechanism 18; the movable chassis is used for supporting the engine 13 and the screw rod driving motor 14, and the height of the movable chassis can be adjusted under the chassis lifting mechanism 18; the worm gear mechanism 17 and the chassis lifting mechanism 18 are matched with each other to control the movable chassis 16 to be adjusted to a proper height.

Furthermore, the mower of the present application further comprises a protective casing 15 and a damping spring 19, wherein the protective casing 15 is mounted on the movable chassis 16 and is used for protecting the engine and reducing damage; the damping spring 19 can reduce the vibration and impact of uneven roads in an orchard on the mower, so that the mower can smoothly and smoothly move in the operation process.

As shown in fig. 4(a) -4 (b), another embodiment of the present application further provides a method for implementing a lawn mower, including the following steps:

s1: when the mower is wound by a blade, the chassis lifting mechanism is controlled to adjust the movable chassis 16 to a proper height, so that the mowing blade 2 is prevented from being touched when being stored.

S2: the screw rod driving motor 14 controls the screw rod 6 to drive the cutter pressing device to move downwards, the cutter pressing ring 9 presses the mowing knife 2 to move, and the mowing knife 2 is accommodated under the action of the sliding block 10 and the return spring 11; in the descending process, the cleaning device 4 starts to clean the wound objects on the surface of the mowing knife 2, and the combing and brushing device 5 is used for cleaning the residual wound objects on the surface of the mowing knife 2 for the second time.

S3: after the cleaning operation is completed, the screw driving motor 14 controls the screw to drive the cutter pressing device to move upwards. The slider 10 pushes the mower blade 2 back to the initial position under the action of the return spring 11.

S4: the chassis lifting mechanism is controlled to adjust the movable chassis 16 to the initial height, so that the mowing operation can be continued.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.