CN210986908U

CN210986908U - Rotary blade of mini-tiller

Info

Publication number: CN210986908U
Application number: CN201921900506.2U
Authority: CN
Inventors: 章伟军
Original assignee: Zhejiang E Shine Machinery Manufacturing Co ltd
Current assignee: Zhejiang E Shine Machinery Manufacturing Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-14
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a plough quick-witted rotary blade a little, the rotary blade comprises a main shaft, the cross section of main shaft is regular hexagon, be provided with four annular disc groups that are parallel to each other along axial equidistant on the main shaft, annular disc group includes annular disc, No. two annular discs, No. three annular discs and No. four annular discs, and annular disc group still includes six blades of equidimension, six wherein three of blade is located between annular disc and No. two annular discs, and is three in addition the blade is located between No. three annular disc and No. four annular discs. A plough quick-witted rotary blade a little, the cyclic annular disc group of setting for the blade is installed and is being corresponded between two cyclic annular discs, can realize fixed and the protection to the rotary blade on the machine is ploughed a little, and convenient to detach, prevent twining the setting of cutting board, can prevent that weeds from twining on the rotary blade, prevent twining the effect and showing, the simple operation is comparatively practical.

Description

Rotary blade of mini-tiller

Technical Field

The utility model relates to an agricultural field, in particular to plough quick-witted rotary blade a little.

Background

The mini-tiller is widely applied to dry land, paddy field, orchard and the like in plains, mountainous areas and hills, can be used for carrying out corresponding farming operation by being matched with a corresponding farming machine, is small and flexible, can be freely driven in the field, is convenient to operate, is deeply loved by consumers of vast farmers, and has improved use safety requirements along with the large-scale use of the mini-tiller.

There is certain drawback current little tilling cutter when using, at first, easily twine by weeds on the cutter in the use, influence the stationarity and the work efficiency of little tilling vehicle operation, secondly, current rotary tillage cutter is welding and bolted connection usually fixes, difficult change and dismantlement during the welding, bolt grafting is installed in the screw hole on the blade commonly used during bolted connection, the setting of screw influences the blade life-span easily, the blade breaks easily in screw department, reduce the life of rotary tillage cutter, increase the device replacement cost, certain influence has been brought to people's use, for this reason, we provide a quick-witted rotary tillage cutter of little tilling of convenient to detach.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plough quick-witted rotary blade a little, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plough quick-witted rotary blade a little, includes the main shaft, the cross section of main shaft is regular hexagon, be provided with four annular disc groups that are parallel to each other along axial equidistant on the main shaft, annular disc group includes annular disc, No. two annular discs, No. three annular discs and No. four annular discs, annular disc group still includes six blades of equidimension, six wherein three of blade is a set of cutter, and is three in addition the blade is another group cutter, and two sets of cutters are located respectively between an annular disc and No. two annular discs, No. three annular discs and No. four annular discs, be connected with between No. two annular discs and No. three annular discs and prevent twining the cutting board.

Preferably, one side of the first annular disc is provided with three first grooves with the same size, one side of the second annular disc is provided with three second grooves with the same size, the first grooves and the second grooves are the same in size, and the blade is installed between the first grooves and the second grooves.

Preferably, the center of the first annular disc, the second annular disc, the third annular disc and the fourth annular disc is provided with a center hole, the first annular disc, the second annular disc, the third annular disc and the fourth annular disc are provided with three through holes with the same size, and the main shaft is respectively connected with the first annular disc, the second annular disc, the third annular disc and the fourth annular disc through the center hole.

Preferably, it is three prevent twining the cutting board and all pass through bolt fixed mounting in one side of No. two cyclic annular discs, it is three prevent twining the one end of cutting board and pass through bolt fixed mounting in one side of No. three cyclic annular discs, prevent still being equipped with the cutting edge on twining the cutting board.

Preferably, the blade is provided with a 7-shaped handle, the 7-shaped handle is the same as the first groove in size, the depth of the first groove is half of the thickness of the 7-shaped handle, and the blade is further provided with a bending section.

Preferably, be close to all install spacing post on the main shaft of cyclic annular disc group both sides, the quantity of spacing post is eight, four cyclic annular disc group all passes through eight spacing post fixed connection with the main shaft.

Preferably, the first annular disc and the second annular disc, the second annular disc and the third annular disc, and the third annular disc and the fourth annular disc are arranged in a mirror symmetry mode.

Preferably, the bending directions of the three blades between the first annular disk and the second annular disk are the same, and the bending directions of the three blades between the third annular disk and the fourth annular disk are the same.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the anti-winding knife board is arranged, so that weeds can be prevented from being wound on the cutter, gaps among blades of the existing micro-tillage knife are large, the anti-winding knife board is arranged, so that the blades on the anti-winding knife board can easily cut off the weeds and accompany soil, the effect of returning the weeds and straws to the field is realized, organic matters of the soil are increased, the anti-winding knife board is in threaded connection between two annular discs, the anti-winding knife board is limited, the anti-winding knife board is prevented from swinging in the using process, the anti-winding effect and reliability are ensured, meanwhile, the anti-winding knife board is convenient to detach and install, maintenance and repair of the cutter are facilitated, and the anti-winding effect is obvious;

2. through the cyclic annular disc group who sets up, can install annular disc and No. two cyclic annular discs with two sets of cutters, between No. three cyclic annular discs and No. four cyclic annular discs, be convenient for dismantle and install the rotary tillage blade on the machine is ploughed a little, the blade is installed between two cyclic annular discs that correspond, can realize the fixed of blade through two cyclic annular discs that fixed correspond, better protection cutter, cyclic annular disc all is the contact of face and face with the blade, it is fixed through welding or spiro union to compare the blade in the past, the screw hole setting damages the blade easily on the blade, more convenient dismantlement installation and maintenance to whole device.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary blade of a micro-cultivator of the present invention;

FIG. 2 is an exploded view of the annular disk set of the rotary blade of the micro-cultivator of the present invention;

FIG. 3 is a schematic view of a partial structure of a rotary blade of the micro-cultivator of the present invention;

FIG. 4 is a side view of a first annular disc of a rotary blade of a micro-cultivator of the present invention;

FIG. 5 is an enlarged view of a blade of a rotary blade of a micro-cultivator of the present invention;

fig. 6 is an enlarged view of the anti-tangling blade plate of the rotary blade of the mini-tiller.

In the figure: 1. a main shaft; 2. an annular disc set; 3. a blade; 4. a limiting column; 5. a through hole; 6. an anti-winding knife board; 7. a first groove; 8. bending the section; 9. a blade; 10. a central bore; 11. a first annular disc; 12. a second annular disc; 13. a 7-shaped knife handle; 14. a second groove; 15. a third annular disc; 16. a fourth annular disc.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1-6, a rotary blade of a mini-tiller comprises a main shaft 1, wherein the cross section of the main shaft 1 is a regular hexagon which is set to be a regular hexagon for preventing the annular disk set 2 from sliding in the moving direction, four annular disk sets 2 which are parallel to each other are arranged on the main shaft 1 at equal intervals along the axial direction, each annular disk set 2 comprises a first annular disk 11, a second annular disk 12, a third annular disk 15 and a fourth annular disk 16, each annular disk set 2 further comprises six blades 3 with the same size, three of the six blades 3 are a set of cutting tool, the other three blades 3 are another set of cutting tool, the two sets of cutting tools are respectively arranged between the first annular disk 11 and the second annular disk 12, and between the third annular disk 15 and the fourth annular disk 16, and an anti-winding cutter plate 6 is connected between the second annular disk 12 and the third annular disk 15.

No. 7 three grooves with the same size are formed in one side of the first annular disc 11, No. 14 three grooves with the same size are formed in one side of the second annular disc 12, the first groove 7 and the second groove 14 are the same in size, the blade 3 is installed between the first groove 7 and the second groove 14, the blade 3 can be fixed through the arrangement of the two grooves, the blade 3 can be protected, and damage is reduced.

Annular disc 11, annular disc 12 No. two, the center department of annular disc 15 No. three and annular disc 16 No. four opens and has had centre bore 10, annular disc 11 No. one, annular disc 12 No. two, still seted up three through-hole 5 that the size is the same on annular disc 15 No. three and the annular disc 16 No. four, and main shaft 1 is connected with annular disc 11 No. one, annular disc 12 No. two, annular disc 15 No. three and the annular disc 16 No. four respectively through centre bore 10, the same bolt that is convenient for use the same model that the 5 sizes of through-hole set up can realize fixedly.

By adopting the technical scheme: the protection and the convenient disassembly and assembly of the blade 3 can be realized by arranging the first annular disc 11 and the second annular disc 12, the blade 3 is arranged between the first annular disc 11 and the second annular disc 12, and the third annular disc 15 and the fourth annular disc 16, the blade 3 can be fixed by fixing the first annular disc 11, the second annular disc 12, the third annular disc 15 and the fourth annular disc 16, and the annular disc group 2 and the blade 3 are in surface-to-surface contact, compared with the prior art that the blade 3 is welded, the blade 3 is easy to be fixed and damaged due to the fact that the blade 3 is not firm and is not easy to disassemble and assemble, the blade 3 is more firmly arranged due to the arrangement of the annular disc group 2, the annular disc group 2 is also in threaded connection with the main shaft 1, and the disassembly, the assembly, the maintenance and the repair of the whole device are more convenient, realize stabilizing the clamping, avoid blade 3 during operation to rock, damage the cutter.

Example 2

As shown in fig. 1-6, three anti-winding knife boards 6 are fixedly mounted on one side of a second annular disc 12 through bolts, one ends of the three anti-winding knife boards 6 are fixedly mounted on one side of a third annular disc 15 through bolts, a knife edge 9 is further arranged on each anti-winding knife board 6, the knife edge 9 is vertically downward along the rotation direction of a main shaft 1, and the knife edge 9 is arranged to cut off weeds and prevent the weeds from winding.

The first annular disc 11, the second annular disc 12, the third annular disc 15 and the fourth annular disc 16 are arranged in mirror symmetry, and the adjacent annular discs are arranged in mirror symmetry, so that the disassembly and the installation of the cutter are facilitated.

By adopting the technical scheme: the anti-tangling knife board 6 that sets up, can prevent that weeds from twining on the cutter, the clearance between the little ploughing blade 3 of current is great, prevent twining the setting of knife board 6, make prevent twining cutting edge 9 on the knife board 6 can cut off weeds easily and accompany among the soil, realize the effect of weeds and straw returning, increase soil organic matter, and prevent twining 6 spiro union of knife board between two adjacent cyclic annular discs, it is spacing to preventing twining knife board 6, avoid preventing twining knife board 6 and take place the swing in the use, guarantee to prevent twining effect and reliability, prevent simultaneously that twining knife board 6 conveniently dismantles and installs, be of value to the maintenance and the maintenance of cutter, it is showing to prevent twining the effect.

Example 3

As shown in figures 1-6, the rotary blade of the mini-tiller is characterized in that a 7-shaped cutter handle 13 is arranged on a blade 3, the 7-shaped cutter handle 13 is the same as a first groove 7 in size, the depth of the first groove 7 is half of the thickness of the 7-shaped cutter handle 13, the blade 3 is further provided with a bending section 8, the bending angle of the bending section 8 is 155 degrees, the angle is 155 degrees, the blade can be driven into the soil at the optimal angle, the blade 3 can be protected, and the soil ploughing efficiency can be improved.

Be close to all install spacing post 4 on the main shaft 1 of cyclic annular disc group 2 both sides, the quantity of spacing post 4 is eight, and four cyclic annular disc groups 2 all pass through eight spacing post 4 fixed connection with main shaft 1, and cyclic annular disc group 2 can be fixed in setting up of spacing post 4, prevents that cyclic annular disc group 2 from sliding on 1 direction of main shaft.

The bending directions of the three blades 3 between the first annular disc 11 and the second annular disc 12 are the same, and the bending directions of the three blades 3 between the third annular disc 15 and the fourth annular disc 16 are the same.

By adopting the technical scheme: blade 3 of setting, and blade 3's contained angle is established to 155, can realize making blade 3 go into soil with the best angle, can protect blade 3 and increase the efficiency of digging again, still is equipped with a "7" font handle of a knife 13 on the blade 3, and the setting of "7" font handle of a knife 13 can realize fixed to the installation of blade 3, avoids blade 3 to take place to swing in the use, improves the fastness and the reliability of blade 3.

It should be noted that, when the utility model is used, firstly, the central hole 10 of the annular disc group 2 is installed on the main shaft 1, then the blade 3 is installed in the grooves of the first annular disc 11, the second annular disc 12, the third annular disc 15 and the fourth annular disc 16 in sequence, the arrangement of the grooves can better fix and protect the cutter, prevent the cutter from shifting and damaging, then the anti-winding knife plate 6 is fixed between the second annular disc 12 and the third annular disc 15, meanwhile, the blade 9 on the anti-winding blade 6 is ensured to be vertically downward along the motion direction of the rotary cultivator, the blade 9 on the anti-winding blade 6 is convenient to cut weeds, the limiting columns 4 are respectively fixed on two sides of the annular disc group 2, finally, the rest cutters are sequentially installed, and after the installation is finished, the main shaft 1 is installed on the position corresponding to the rotary cultivator; when the micro-cultivator works, the main shaft 1 is driven to rotate, so that the cutters on the four groups of annular disc groups 2 also rotate to turn soil, the annular disc groups 2 can fix the cutters and protect the cutters, abrasion is reduced, the anti-winding knife board 6 rotates along with the main shaft 1, and the cutting edge 9 on the anti-winding knife board 6 can easily cut off weeds and accompany the weeds in the soil, so that the effect of returning the weeds and the straws to the field is realized, and organic matters in the soil are increased; after finishing using, can take off main shaft 1, take off spacing post 4 and bolt in proper order again, because the fixed mode between each parts is the spiro union mostly fixed, so the installation with dismantle comparatively convenient, take off in proper order blade 3 and prevent twining cutting board 6 again and keep can, when needing the maintenance, only need pull down the part that needs the maintenance can, convenient and fast, comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a plough quick-witted rotary blade a little, includes main shaft (1), its characterized in that: the cross section of main shaft (1) is regular hexagon, be provided with four annular disc group (2) that are parallel to each other along axial equidistant on main shaft (1), annular disc group (2) include annular disc (11), No. two annular disc (12), No. three annular disc (15) and No. four annular disc (16), annular disc group (2) still include six blades (3) of equidimension, six wherein three of blade (3) is a set of cutter, and is three in addition blade (3) are another set of cutter, and two sets of cutters are located respectively between annular disc (11) and No. two annular disc (12), No. three annular disc (15) and No. four annular disc (16), be connected with between No. two annular disc (12) and No. three annular disc (15) and prevent twining cutting board (6).

2. A rotary blade of a micro-cultivator according to claim 1, wherein: no. one recess (7) that three size is the same are seted up to one side of an annular disc (11), No. two recesses (14) that three size is the same are seted up to one side of No. two annular discs (12), and the size of a recess (7) and No. two recesses (14) is the same, install between a recess (7) and No. two recesses (14) blade (3).

3. A rotary blade of a micro-cultivator according to claim 1, wherein: center department of a cyclic annular disc (11), No. two cyclic annular discs (12), No. three cyclic annular disc (15) and No. four cyclic annular disc (16) opens and has had centre bore (10), still seted up three through-hole (5) that the size is the same on a cyclic annular disc (11), No. two cyclic annular disc (12), No. three cyclic annular disc (15) and No. four cyclic annular disc (16), and main shaft (1) is connected with a cyclic annular disc (11), No. two cyclic annular disc (12), No. three cyclic annular disc (15) and No. four cyclic annular disc (16) respectively through centre bore (10).

4. A rotary blade of a micro-cultivator according to claim 1, wherein: three prevent twining cutting board (6) and all pass through bolt fixed mounting in one side of No. two cyclic annular discs (12), it is three prevent twining the one end of cutting board (6) and pass through bolt fixed mounting in one side of No. three cyclic annular discs (15), prevent still being equipped with cutting edge (9) on twining cutting board (6).

5. A rotary blade of a micro-cultivator according to claim 1, wherein: the cutter is characterized in that a 7-shaped cutter handle (13) is arranged on the blade (3), the 7-shaped cutter handle (13) is the same as the first groove (7), the depth of the first groove (7) is half of the thickness of the 7-shaped cutter handle (13), and the blade (3) is further provided with a bending section (8).

6. A rotary blade of a micro-cultivator according to claim 1, wherein: be close to all install spacing post (4) on main shaft (1) of cyclic annular disc group (2) both sides, the quantity of spacing post (4) is eight, four cyclic annular disc group (2) all pass through eight spacing post (4) fixed connection with main shaft (1).

7. A rotary blade of a micro-cultivator according to claim 1, wherein: the first annular disc (11), the second annular disc (12), the third annular disc (15) and the fourth annular disc (16) are arranged in a mirror symmetry mode.

8. A rotary blade of a micro-cultivator according to claim 1, wherein: the bending directions of the three blades (3) between the first annular disc (11) and the second annular disc (12) are the same, and the bending directions of the three blades (3) between the third annular disc (15) and the fourth annular disc (16) are the same.