阅读说明：本技术 一种微耕机用的可调式刀盘组件 (Adjustable cutter head assembly for mini-tiller ) 是由 崔娟 王军峰 孙明星 卜祥强 于 2020-12-01 设计创作，主要内容包括：一种微耕机用的可调式刀盘组件,所述刀盘组件通过传动机构与微耕机的动力源相连接,微耕机输出动力,通过传动机构带动刀盘组件动作,包括：传动轴,所述传动轴的一端与传动机构的输出端相连接；切割机构,包括滑动设置在传动轴上的滑动套,在滑动套上设有至少两组的切割刀；锁紧机构,该锁紧机构设置在滑动套的两侧用于限定滑动套的位置；隔离框,所述隔离框为圆柱形框架结构,在隔离框的外周面上设有多条相平行且间隔设置的条状构件,所述隔离框通过轴承组件套装在传动轴上并将切割机构包裹在其内。本方案通过设置隔离框保证除草作业中的安全性,同时隔离框配合切割机构可有效切除杂草根茎,提高除草的效率。(The utility model provides a blade disc assembly with adjustable machine is ploughed a little, blade disc assembly is connected with the power supply of ploughing a little through drive mechanism, ploughs a little output power, drives the blade disc assembly through drive mechanism and moves, includes: one end of the transmission shaft is connected with the output end of the transmission mechanism; the cutting mechanism comprises a sliding sleeve which is arranged on the transmission shaft in a sliding way, and at least two groups of cutting knives are arranged on the sliding sleeve; the locking mechanisms are arranged on two sides of the sliding sleeve and used for limiting the position of the sliding sleeve; the isolation frame is of a cylindrical frame structure, a plurality of strip-shaped components which are parallel to each other and arranged at intervals are arranged on the outer peripheral surface of the isolation frame, and the isolation frame is sleeved on the transmission shaft through a bearing assembly and wraps the cutting mechanism in the isolation frame. The safety in the weeding operation is guaranteed through setting up the isolation frame to this scheme, and the isolation frame cooperation cutting mechanism can effectively amputate weeds rhizome simultaneously, improves herbicidal efficiency.)

1. The utility model provides a blade disc assembly with adjustable machine is ploughed a little, blade disc assembly is connected with the power supply of ploughing a little through drive mechanism, ploughs a little output power, drives the blade disc assembly through drive mechanism and moves its characterized in that: the method comprises the following steps:

one end of the transmission shaft is connected with the output end of the transmission mechanism;

the cutting mechanism comprises a sliding sleeve which is arranged on the transmission shaft in a sliding manner, at least two groups of cutting knives are arranged on the sliding sleeve, the cutting knives are fixedly arranged on the peripheral surface of the sliding sleeve through connecting rods, and the cutting knives and the connecting rods form a T-shaped structure;

the locking mechanisms are arranged on two sides of the sliding sleeve and used for limiting the position of the sliding sleeve;

the isolation frame is of a cylindrical frame structure, a plurality of strip-shaped components which are parallel to each other and arranged at intervals are arranged on the outer peripheral surface of the isolation frame, and the isolation frame is sleeved on the transmission shaft through a bearing assembly and wraps the cutting mechanism in the isolation frame.

2. The adjustable cutterhead assembly for a mini-tiller of claim 1, wherein: the cutting mechanisms are provided with two groups, and the two groups of cutting mechanisms are arranged on the transmission shaft at intervals.

3. The adjustable cutterhead assembly for a mini-tiller of claim 2, wherein: each group of cutting mechanisms is provided with an isolation frame, and the gap between the two groups of isolation frames is a space for planting crops.

4. The adjustable cutterhead assembly for a mini-tiller of claim 1, wherein: the cutting mechanism comprises a sliding sleeve and four cutting knives arranged on the sliding sleeve, and each cutting knife is fixedly arranged on the sliding sleeve through an independent connecting rod.

5. The adjustable cutterhead assembly for mini-tiller according to claim 1 or 4, wherein: the sliding sleeve is matched with the transmission shaft through a spline.

6. The adjustable cutterhead assembly for a mini-tiller of claim 1, wherein: the plurality of strip-shaped components on the circumferential surface of the isolation frame are equal in interval.

7. The adjustable cutterhead assembly for a mini-tiller of claim 6, wherein: the distance between any two strip-shaped components on the circumferential surface of the isolation frame is 2-5 cm.

8. The adjustable cutterhead assembly for a mini-tiller of claim 1, wherein: the strip-shaped component is parallel to the cutting edge of the cutting knife.

Technical Field

The invention relates to the technical field of weeding devices for farmlands, in particular to an adjustable cutter head assembly for a micro-tillage machine.

Background

As is well known, weeds are a field killer which endangers the thriving of farmland crops, and the weeds are clustered to compete with the farmland crops for soil nutrients, capture limited growth space and sunlight, easily induce field disasters and seriously influence the growth of the farmland crops, so that the yield of the farmland crops is reduced.

The field weeding of agriculture in China is mainly carried out in a traditional mode, such as manual pesticide spraying, manual mechanical weeding and the like, a large amount of pesticide spraying not only pollutes the environment but also is not beneficial to the growth of farmland crops, and simultaneously, the problem of drug residue also exists, and the manual mechanical weeding mode is low in efficiency, too high in labor cost and not suitable for field operation.

With the continuous acceleration of the agricultural modernization process in China and the continuous enhancement of the environmental protection consciousness of the whole people, the traditional field weeding mode is not suitable any more, and meanwhile, the existing weeding machine has poor safety performance and often damages planted crops in weeding operation due to the incomplete design of a cutter head assembly.

Disclosure of Invention

In order to solve the technical problems, the invention provides an adjustable cutter head assembly for a mini-tiller, which ensures the safety in weeding operation by arranging an isolation frame, and meanwhile, the isolation frame is matched with a cutting mechanism to effectively cut off weed roots and stems, so that the weeding efficiency is improved.

The technical scheme adopted by the invention is as follows: the utility model provides a blade disc assembly with adjustable machine is ploughed a little, blade disc assembly is connected with the power supply of ploughing a little through drive mechanism, ploughs a little output power, drives the blade disc assembly through drive mechanism and moves, includes:

one end of the transmission shaft is connected with the output end of the transmission mechanism;

the cutting mechanism comprises a sliding sleeve which is arranged on the transmission shaft in a sliding manner, at least two groups of cutting knives are arranged on the sliding sleeve, the cutting knives are fixedly arranged on the peripheral surface of the sliding sleeve through connecting rods, and the cutting knives and the connecting rods form a T-shaped structure;

the locking mechanisms are arranged on two sides of the sliding sleeve and used for limiting the position of the sliding sleeve;

the isolation frame is of a cylindrical frame structure, a plurality of strip-shaped components which are parallel to each other and arranged at intervals are arranged on the outer peripheral surface of the isolation frame, and the isolation frame is sleeved on the transmission shaft through a bearing assembly and wraps the cutting mechanism in the isolation frame.

Further optimize, cutting mechanism be equipped with two sets ofly, two sets of cutting mechanism intervals set up on the transmission shaft.

Further optimize, every cutting mechanism of group all is equipped with an isolation frame, and the clearance between two sets of isolation frames is for planting the crop space.

Further optimize, cutting mechanism, including slip cap and four cutting knives of setting on the slip cap, every cutting knife all sets up on the slip cap through independent connecting rod is fixed.

Further preferably, the sliding sleeve is matched with the transmission shaft through a spline.

Further preferably, the plurality of strip-shaped components on the circumferential surface of the isolation frame are equal in interval.

Further optimization, the distance between any two strip-shaped components on the circumferential surface of the isolation frame is 2-5 cm.

Preferably, the strip-shaped component is parallel to the cutting edge of the cutting knife.

The invention has the beneficial effects that:

in this scheme, the blade disc subassembly that sets up includes transmission shaft, cutting mechanism, locking mechanism and isolation frame, and wherein cutting mechanism slides and sets up on the transmission shaft, the isolation frame passes through bearing assembly suit on the transmission shaft and wraps up cutting mechanism in it, at blade disc device operation in-process, guarantees the security of operation through the isolation frame, and the isolation frame has another effect simultaneously, because the isolation frame passes through bearing assembly setting on the transmission shaft, it is along with running gear walking in-process, and the clearance on the isolation frame periphery can be with weeds parcel in its space, makes things convenient for rotatory cutting mechanism to excise the weeds rhizome, and the rotary blade cooperation of rear end is turned up the weeds root, improves herbicidal effect.

Drawings

FIG. 1 is a schematic structural view of the invention mounted on a mini-tiller.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the structure of the cutting mechanism of the present invention.

FIG. 4 is a schematic structural diagram of the spacer frame according to the present invention.

The labels in the figure are: 1. the mini-tiller comprises a mini-tiller body, 2, a transmission mechanism, 3, a rotary blade, 4, a rear supporting arm, 10, a cutter head assembly, 11, a transmission shaft, 12, a cutting mechanism, 121, a sliding sleeve, 122, a cutting knife, 123, a connecting rod, 13, a locking mechanism, 14, a separation frame, 141, a strip-shaped component, 15 and a crop planting space.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention also do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships or positional relationships in a certain state, and when the absolute position of the object to be described is changed or the usage state is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1, an adjustable cutter head assembly for a mini-tiller, wherein the cutter head assembly 10 is arranged on a front supporting arm of the mini-tiller 1 and is connected with a power source of the mini-tiller 1 through a transmission mechanism 2, the mini-tiller 1 outputs power and drives the cutter head assembly to act through the transmission mechanism 2, a plurality of groups of rotary blades are arranged on a rear supporting arm 4 of the mini-tiller 1, a space for planting crops is arranged between any two groups of rotary blades, and operation of each group of rotary blades in gaps for planting the crops is guaranteed.

In the following, focusing on the improvement of the present invention, as shown in fig. 2, the cutter head assembly 10 includes a transmission shaft 11, one end of the transmission shaft 11 is connected with the output end of the transmission mechanism 2 for transmitting power;

the cutting mechanism 12 is used for cutting off weed roots and stems, and comprises a sliding sleeve 121 arranged on the transmission shaft 11 in a sliding manner, at least two groups of cutting knives 122 are arranged on the sliding sleeve 121, the cutting knives 122 are fixedly arranged on the outer peripheral surface of the sliding sleeve 121 through a connecting rod 123, and the cutting knives 122 and the connecting rod 123 form a T-shaped structure;

and locking mechanisms 13, wherein the locking mechanisms 13 are arranged on two sides of the sliding sleeve 121 and used for limiting the position of the sliding sleeve, and in the embodiment: the locking mechanism may take the form of: the sliding block cooperation locking screw specifically does: sliding blocks with locking screws can be respectively arranged on two sides of the sliding sleeve 121, and when the sliding sleeve moves to a set position, the locking screws on the sliding blocks on the two sides can be screwed down to lock the position of the sliding sleeve;

isolation frame 14, isolation frame 14 is cylindrical frame construction, is equipped with the strip component 141 that many parallels and interval set up on the periphery of isolation frame, isolation frame 14 passes through the bearing subassembly suit on transmission shaft 11 and wraps up cutting mechanism 12 in it, has guaranteed the security of operation, and when ploughing the machine walking a little simultaneously, isolation frame 14 also can roll forward in step.

It should be noted that: the transmission mechanism in the scheme is the existing mature technology, the main purpose of the transmission mechanism is a transmission power source, and a person skilled in the art can reasonably select the transmission mechanism according to the description, for example; a conventional gear transmission mechanism or a chain transmission mechanism can be adopted.

Further describing the scheme, the cutting mechanisms 12 are provided with two groups, the two groups of cutting mechanisms are arranged on the transmission shaft 11 at intervals, each group of cutting mechanisms is provided with an isolation frame independently, and a gap between the two groups of isolation frames 14 is a crop planting space 15, so that crop planting is protected in the operation process, and meanwhile, the safety during operation is improved.

In this scheme, as shown in fig. 3, cutting mechanism 12, including sliding sleeve 121 and four cutting knives 122 of setting on the sliding sleeve, every cutting knife 122 all sets up on the sliding sleeve through independent connecting rod 123 is fixed, through the cutting mechanism who sets up this structure, has improved the efficiency of excision weeds rhizome.

In this embodiment, the sliding sleeve 121 and the transmission shaft 11 are in spline fit, so that the sliding sleeve 121 and the transmission shaft 11 rotate synchronously.

In the scheme, as shown in fig. 4, the plurality of strip-shaped members 141 on the circumferential surface of the isolation frame 14 are equal in interval, and the distance between any two strip-shaped members on the circumferential surface is 2 to 5 cm. Simultaneously in order to guarantee the excision effect of weeds rhizome, can be parallel with the cutting edge of strip component and cutting knife, the rotatory in-process of cutting knife, the effect of excision can be improved to the hindrance of strip component is received to the weeds rhizome.

The working process of the scheme is as follows:

debugging the position of each component in the cutter head assembly, adjusting the spacing distance of the cutting mechanism according to the width of planted crops, and limiting the position of the cutting mechanism through a locking mechanism after adjustment;

step two, mounting the debugged cutterhead assembly on a front support arm of the micro-cultivator, and connecting power through a transmission mechanism to realize that a power source of the micro-cultivator can drive the cutterhead assembly to act;

thirdly, adjusting the intervals of a plurality of groups of rotary blades at the rear end of the mini-tiller to ensure that the intervals between the rotary blades and a front-end cutting mechanism are the same;

and step four, starting the mini-tiller to enable the crop planting space of the cutting mechanism to be just aligned with the crop planted in the farmland, and starting the cutter head assembly to start operation.

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 invention. 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.