CN205320475U - Modular cutter is ploughed to pine - Google Patents

Abstract

The utility model discloses a modular cutter is ploughed to pine, including plough and spiral cutter, the plough is located the place ahead of spiral cutter, the spiral cutter includes the cutter arbor, winds around in the well lower part of cutter arbor to be fixed with the flight, installs the blade on the flight, is fixed with the first blade that buries at the lower extreme of flight, be connected with the more than one second blade that buries at the lower extreme of cutter arbor. This structure can subtract the horizontal atress of small coil cutter, lets the spiral cutter bury more easily, when burying, makes the atress of spiral cutter more even.

Description

A kind of Combined loosening ploughs cutter

Technical field

This utility model relates to Combined loosening and ploughs cutter。

Background technology

Current pine ploughs cutter essentially auger stem, such as be 201520088069.4 applyings date to be 2015.2.9 authorized announcement date be disclosed in the patent documentation of 2015.8.26 in the Chinese Patent Application No. augers of a kind of subsoiling farming machine being easy to bury, specifically disclose, it includes drilling rod, helical blade, helical blade is set around the bottom of drilling rod, it also includes the blade that buries, and the blade that buries is arranged at the afterbody of helical blade and is positioned at the lower surface of helical blade。This utility model simple in construction, when ploughing work, drilling rod rotate while along with subsoiling farming machine move forward, owing to the lower surface of the afterbody of helical blade is provided with the blade that buries, it is easy to drilling rod and rotates while burying, helical blade can be prevented effectively to be worn simultaneously, extend the service life of helical blade。But find in actual use, owing to connecting, only in the tail end of helical blade, the blade that buries, augers is when burying, bury blade chip soil, the side stress of the blade that only buries, so, not only can allow the unbalance stress of blade of burying, cause blade deformation of burying, burst apart or the attachment force of bury blade and helical blade is uneven, and the stress of drilling rod is also uneven, it is easy to cause drilling rod deformation even to rupture。

It is cultivated that Song Gengji needs walking could realize continuous print pine, adopt auger stem that soil is carried out Song Gengshi, auger stem first has to enter in soil, then laterally walking realizes continuously loose ploughing, Song Gengji ploughs in process walking pine, due to soil hardness, the cross force that auger stem is subject to is very big, it is easy to allow auger stem deform or fracture。

Summary of the invention

The stress horizontal in order to reduce helical tooth blade, allows helical tooth blade be easier to bury, and when burying, allows being more uniformly stressed of helical tooth blade, and this utility model provides a kind of Combined loosening and ploughs cutter。

For reaching above-mentioned purpose, a kind of Combined loosening ploughs cutter, and including plough and helical tooth blade, plough is positioned at the front of helical tooth blade；Helical tooth blade includes knife bar, curls up in the middle and lower part of knife bar and is fixed with flight, is provided with blade on flight, is fixed with first in the lower end of flight and buries blade；It is connected to more than one second to bury blade in the lower end of knife bar。

Utilizing combinations thereof formula pine to plough cutter, soil is carried out Song Gengshi, by ploughing, being turned in soil, helical tooth blade below primarily serves the effect pulverizing rear soil of turning over, so, just being greatly reduced the cross force on helical tooth blade, helical tooth blade is not easy deformation and fracture。Bury blade owing to being provided with first blade and second that buries, second blade that buries can include many, so, pine ploughs cutter when burying, first blade and second blade that buries that buries cuts soil simultaneously, allow the uniform force on knife bar circumference, therefore, deformation and the phenomenon of fracture are less likely to occur knife bar, simultaneously, first the bury stress of blade of blade and second of burying is also uniform, first bury blade and second bury blade be not easy deformation and burst apart, first connection reliability burying blade and flight is become reconciled, second connection reliability burying blade and knife bar might as well；Adopt said structure, owing to second blade that buries only has small part to be connected with knife bar, when, after uniform force, the second junction buried between blade and knife bar is not easy the phenomenon that stress is concentrated occur, therefore, bonding strength height。And cutter easily buries。

Further, first blade and second blade that buries that buries is circumferentially uniform, when pine plough cutter bury time, the stress of cutter is more uniform, and when pine plough cutter laterally cut soil time, the stress bottom cutter is also uniform。

Further, first blade that buries includes the first connecting portion and the first blade, and the first connecting portion is connected to the lower end of flight, and the lower surface of the first blade has inclined-plane and makes the first blade wedge shaped, first blade that buries extends obliquely, and first buries the lower end of blade lower than the bottom surface of knife bar；Second blade that buries includes the second connecting portion and the second blade, second connecting portion is connected on knife bar, the lower surface of the second blade has inclined-plane and makes the second blade wedge shaped, second blade that buries extends obliquely, second buries the lower end of blade lower than the bottom surface of knife bar, and the second blade direction oppositely oriented with flight from the direction that the second connecting portion extends is consistent。First buries blade and the second lower end burying blade is below the bottom surface of knife bar, simultaneously, first blade and the second blade homocline that buries that buries downwardly extends, first the bury helical angle of inclination angle and flight of blade of blade and second of burying is suitable, make cutter be more prone to bury, and be more prone to realize the purpose of smooth casting。

Further, the upper surface of the first blade has storage tank, has been embedded in the first alloy sheet at storage tank；The upper surface of the second blade has storage tank, has been embedded in the second alloy sheet at storage tank。Owing to being provided with the first alloy sheet and the second alloy sheet, the hardness of alloy sheet is big, when the cultivated cutter of pine buries, first bury blade and second bury blade be not easy abrasion, particularly when the cultivated cutter of pine has buried and laterally pulverized soil, first blade and second that buries buries blade also in the effect playing bottom chip soil, as a rule the hardness of soil bottom is bigger, and pine ploughs cutter when laterally cutting soil, first blade and second that buries buries blade it is also possible to brush up against stone, therefore, intensity, life-saving can more be improved by embedded alloy sheet。

Further, the plug socket of more than two it is fixed with on the top of knife bar, plug socket radially extends, plug socket shifts to install on the axial direction of knife bar, plug socket is provided with inserting groove, inserting groove is plugged with pulverizing leveling blade, described pulverizing leveling blade includes Plug Division, the first bending section and the second bending section, first bending section extends to the direction identical with flight rotation direction from the outer end of Plug Division, second bending section downwardly extends from the first bending section, is provided with pulverizing cutter blade in the outside pulverizing leveling blade。Pulverizing owing to being provided with this utility model structure flattens blade, pulverize leveling blade vertical dislocation to arrange, and adjacent pulverizing has gap between leveling blade, so, leveling pine plough after soil time, leveling blade hierarchical leveling is pulverized by each, knife bar is when rotated, the soil pulverized can pulverize flowing between leveling blade each, thus substantially reducing the resistance of leveling, and flatten effective, can effectively prevent pulverizing soil and the phenomenon of protuberance occurs, add and there is the second bending section, soil is had the effect raked by the second bending section, further increase the effect of leveling。Owing to being provided with pulverizing cutter blade, pulverizing cutter blade extends generally laterally across, and adds and has the second bending section, so, the soil pulverized can carry out separating twice, and can reduce the resistance pulverizing soil。

Further, blade has cuts soil blade, cuts the outwardly formation arc in middle part of soil blade。When blade is in cutting soil process, the power that soil is applied in blade body can be analyzed to and is perpendicular to the first component cutting soil blade and second component tangent with cutting soil blade, thus reducing the soil active force to blade body, the flexural deformation of blade can be allowed to reduce on the one hand, to cutting the abrasion of soil blade and destroying reduction, extending the service life of blade, the shearing force suffered by bolt assembly also reduces on the other hand, improves the bonding strength of blade and flight。

Further, cutting the upper surface of soil blade, to be that inclined-plane makes to cut soil blade wedge shaped, is provided with along cutting the first rib that soil blade extends at the lower surface cutting soil blade。Cut soil blade when being wedge shape, blade body can be allowed to be easier to be cut in soil, certainly the intensity of blade is also reduced, for this, the intensity cutting Tu Daorenchu can be improved, although between the first rib and the soil of pulverizing, have certain resistance by arranging the first rib, but when the soil pulverized is through the first rib, the soil pulverized can also be pulverized by the first rib again, improves crushing effect。

Further, blade is fixed on flight by bolt assembly；Described bolt assembly includes bolt and nut, and bolt from up to down sequentially passes through flight and fixed part, and threaded in the lower end of bolt have the nut compressing blade；Described nut includes nut and the round end with nut one, and the outer surface of round end has carburized layer。Pine ploughs cutter at Song Gengshi; nut and soil can interact; easily cause nut abrasion; if adopting common nut check blade; nut can be allowed to wear and tear on the one hand; the nut on bolt can be destroyed on the other hand, cause nut to dismantle, therefore; in this utility model; by arranging round end, allow and ensconce in nut in the end of bolt, it is prevented that the screw thread of bolt is damaged; round end can also be effectively protected nut of the present utility model on the other hand; avoid nut abrasion as early as possible, in order to allow nut not being worn as early as possible, be provided with the carburized layer that hardness is higher。

Further, bury second and between blade and knife bar, be welded with gusset, to improve the first bonding strength burying blade and knife bar。

Further, being provided with, pulverizing the position corresponding to pulverizing cutter blade on leveling blade, the second rib extended along pulverizing cutter blade, this second rib can not only improve the intensity pulverizing leveling blade, and can play the effect pulverized further。

Accompanying drawing explanation

Fig. 1 is schematic diagram of the present utility model。

Fig. 2 is the axonometric chart that pine ploughs cutter。

Fig. 3 is the axonometric chart that pine ploughs another visual angle of cutter。

Fig. 4 is the exploded view that pine ploughs cutter。

Fig. 5 is the axonometric chart of bolt assembly。

Fig. 6 is the exploded view of bolt assembly。

Fig. 7 is the schematic diagram utilizing bolt assembly locking screw blade with blade。

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, this utility model is further elaborated。

As it is shown in figure 1, Combined loosening ploughs cutter includes plough 10 and helical tooth blade 20, plough 10 is positioned at the front of helical tooth blade 20；Plough 10 is fixed on pine by trussed beam 101 and ploughs on case 100, certainly, can also be that trussed beam 101 is hinged on the cultivated case 100 of pine, plough the hydraulic oil cylinder driving between case 100 plough 10 swings by being hinged on trussed beam 101 and pine, reach to adjust the effect of plough 10 angles, so, the angle of plough 10 can be adjusted according to the requirement in Song Geng soil flexibly, reach best pine and plough effect。

As shown in Figures 2 to 4, helical tooth blade include knife bar 1, flight 2, blade 3, first bury blade 4, second bury blade 5, plug socket 6, pulverize leveling blade 7 and flange 8。

The cross section of knife bar 1 is circular, naturally it is also possible to for other polygon。Flange 8 is welded on the upper end of knife bar 1。

Flight 2 curls up the middle and lower part being welded on knife bar 1, and flight 2 can be left-hand screw, it is also possible to for right-hand screw, solderable multiple flights on knife bar 1。

As shown in Figure 4, being fixed with the blade of more than two on flight 2, much knives sheet is upwards arranged successively along flight。Blade 3 includes fixed part 31 and outer end, self-retaining portion upwards or the blade body 32 of brake forming obliquely upward, flight 2 is provided with the first fixing hole 21, fixed part 31 is provided with the second fixing hole 33, bolt 91 in bolt assembly 9, through the first fixing hole 21 and the second fixing hole 33, utilizes nut 92 to lock blade 3；The end of blade body 32 has blade, plays the effect of chip soil, can the resistance of less chip。Blade 3 has cuts soil blade 34 and the knife back 35, cuts soil blade 34 relative with the hand of spiral of flight, namely when helical tooth blade rotates, cuts soil blade 34 chip soil, and the knife back 35 is oppositely arranged with cutting soil blade 34。Cut the outwardly formation arc in middle part of soil blade 34, when blade 3 is in cutting soil process, the power that soil is applied in blade body 32 can be analyzed to and is perpendicular to the first component cutting soil blade and second component tangent with cutting soil blade, thus reducing the soil active force to blade body 32, the flexural deformation of blade 3 can be allowed to reduce on the one hand, to cutting the abrasion of soil blade 34 and destroying reduction, extend the service life of blade 3, shearing force suffered by bolt assembly 9 also reduces on the other hand, improves the bonding strength of blade and flight。Cutting the upper surface of soil blade 34, to be that inclined-plane makes to cut soil blade wedge shaped, it is provided with along cutting the first rib 36 that soil blade extends at the lower surface cutting soil blade 34, when cutting soil blade 34 for wedge shape, blade body 32 can be allowed to be easier to be cut in soil, certainly the intensity of blade 3 is also reduced, for this, the intensity cutting Tu Daorenchu can be improved by arranging the first rib 36, although having certain resistance between the first rib 36 and the soil pulverized, but when the soil pulverized is through the first rib 36, the soil pulverized can also be pulverized by the first rib 36 again, improve crushing effect。

As shown in Figures 5 to 7, bolt assembly 9 includes bolt 91 and nut 92, bolt 91 from up to down sequentially passes through flight 2 and fixed part 31, the bolt head of bolt 91 sinks in the counterbore of the first fixing hole 21, reducing the soil abrasion to bolt head, threaded in the lower end of bolt 91 have the nut 92 compressing blade 3；Described nut 92 includes nut 921 and the round end 922 with nut one, and the outer surface of round end 922 has carburized layer。Helical tooth blade is at Song Gengshi, nut 92 and soil can interact, easily cause nut abrasion, if adopting common nut check blade 3, nut can be allowed to wear and tear on the one hand, the nut on bolt can be destroyed on the other hand, nut is caused to dismantle, therefore, in this utility model, by arranging round end 922, allow and ensconce in the end of bolt 91 in nut 92, the screw thread preventing bolt is damaged, round end 922 can also be effectively protected nut 921 of the present utility model on the other hand, avoid nut abrasion as early as possible, in order to allow nut 92 not being worn as early as possible, it is provided with the carburized layer that hardness is higher。

First blade 4 that buries includes the first connecting portion 41 and the first blade 42, first connecting portion 41 is connected to the lower end of flight 2, the lower surface of the first blade 42 has inclined-plane and makes the first blade wedge shaped, the upper surface of the first blade 42 has storage tank 421, it has been embedded in the first alloy sheet 43 at storage tank 421, first blade 4 that buries extends obliquely, first buries the lower end of blade 4 lower than the bottom surface of knife bar 1, in the present embodiment, first buries the angle of blade 4 and knife bar central axis slightly larger than the helical angle of flight, it is preferred to more than 1-3 °。

It is connected to more than one second to bury blade 5 in the lower end of knife bar 1, in the present embodiment, second blade 5 that buries is one, second blade 5 that buries includes the second connecting portion 51 and the second blade 52, the wherein side side weld of the second connecting portion 51 is connected on knife bar 1, bury blade 5 bonding strength with knife bar 1 to improve second, bury second and be welded with gusset between blade 5 and knife bar 1；The lower surface of the second blade 52 has inclined-plane and makes the second blade wedge shaped, the upper surface of the second blade 52 has storage tank 521, it has been embedded in the second alloy sheet 53 at storage tank 521, second blade 5 that buries extends obliquely, second buries the lower end of blade 5 lower than the bottom surface of knife bar 1, the direction oppositely oriented with flight, direction that second blade 52 extends from the second connecting portion 51 is consistent, and the first bury with second angle of inclination of blade 5 of blade 4 of burying is identical。

First blade 4 and second blade 5 that buries that buries circumferentially is evenly arranged, and stress when allowing helical tooth blade bury is more uniform。

The plug socket 6 of more than two it is fixed with on the top of knife bar 1, plug socket 6 radially extends, plug socket 6 shifts to install on the axial direction of knife bar, plug socket 6 is provided with inserting groove 61, inserting groove 61 is plugged with pulverizing leveling blade 7, described pulverizing leveling blade 7 includes Plug Division the 71, first bending section 72 and the second bending section 73, first bending section 72 extends to the direction identical with flight rotation direction from the outer end of Plug Division, second bending section 73 downwardly extends from the first bending section 72, is provided with pulverizing cutter blade 74 in the outside pulverizing leveling blade 7。Being provided with, pulverizing the position corresponding to pulverizing cutter blade on leveling blade 7, the second rib (not shown) extended along pulverizing cutter blade, this second rib can not only improve the intensity pulverizing leveling blade, and can play the effect pulverized further；The end of the second bending section 73 has blade, improves the effect of separating twice。

Utilizing combinations thereof formula pine to plough cutter, soil is carried out Song Gengshi, by ploughing 10, being turned in soil, helical tooth blade 20 below primarily serves the effect pulverizing rear soil of turning over, so, just being greatly reduced the cross force on helical tooth blade 20, helical tooth blade 20 is not easy deformation and fracture。Helical tooth blade can be set to a row, and arranging that plough can also be corresponding is in a row。

Present embodiment, bury blade 5 owing to being provided with first blade 4 and second that buries, second blade 5 that buries can include many, and, first buries blade 4 and the second lower end burying blade 5 is below the bottom surface of knife bar 1, simultaneously, first blade 4 and second blade 5 homocline that buries that buries downwardly extends, first blade 4 and second that buries buries the inclination angle of blade 5 slightly larger than the helical angle of flight, so, helical tooth blade is when burying, first blade 4 and second blade 5 that buries that buries cuts soil simultaneously, allow the uniform force on knife bar 1 circumference, therefore, deformation and the phenomenon of fracture are less likely to occur knife bar 1, simultaneously, first the bury stress of blade 5 of blade 4 and second of burying is also uniform, first bury blade 4 and second bury blade 5 be not easy deformation and burst apart, first connection reliability burying blade 4 and flight is become reconciled, second connection reliability burying blade 5 and knife bar 1 might as well；Adopt said structure, owing to the second blade 5 only small part of burying is connected with knife bar 1, when, after uniform force, the second junction buried between blade 5 and knife bar 1 is not easy the phenomenon that stress is concentrated occur, therefore, bonding strength height。Make to bury also easy。Owing to being provided with the first alloy sheet 43 and the second alloy sheet 53, the hardness of alloy sheet is big, when helical tooth blade buries, first bury blade 4 and second bury blade 5 be not easy abrasion, particularly when helical tooth blade has buried and laterally pulverizes soil, first blade 4 and second that buries buries blade 5 also in the effect playing bottom chip soil, as a rule the hardness of soil bottom is bigger, and helical tooth blade is when laterally cutting soil, first blade 4 and second that buries buries blade 5 it is also possible to brush up against stone, therefore, intensity more can be improved by embedded alloy sheet, life-saving。Cut soil blade 34 owing to blade has, when knife bar 1 rotates, cut soil blade 34 chip soil, blade 3 can be allowed to be easier to be cut in soil on the one hand, the resistance of helical tooth blade transverse cuts can be reduced on the other hand。Pulverizing owing to being provided with this utility model structure flattens blade 7, pulverize leveling blade 7 vertical dislocation to arrange, and adjacent pulverizing has gap between leveling blade, so, leveling pine plough after soil time, leveling blade hierarchical leveling is pulverized by each, knife bar 1 is when rotated, the soil pulverized can pulverize flowing between leveling blade each, thus substantially reducing the resistance of leveling, and flatten effective, can effectively prevent pulverizing soil and the phenomenon of protuberance occurs, add and there is the second bending section 73, soil is had the effect raked by the second bending section 73, further increase the effect of leveling。Owing to being provided with pulverizing cutter blade 74, pulverizing cutter blade 74 extends generally laterally across, and adds and has the second bending section 73, so, the soil pulverized can carry out separating twice, and can reduce the resistance pulverizing soil。

Claims (10)

1. a Combined loosening ploughs cutter, it is characterised in that: including plough and helical tooth blade, plough is positioned at the front of helical tooth blade；Helical tooth blade includes knife bar, curls up in the middle and lower part of knife bar and is fixed with flight, is provided with blade on flight, is fixed with first in the lower end of flight and buries blade；It is connected to more than one second to bury blade in the lower end of knife bar。

2. Combined loosening according to claim 1 ploughs cutter, it is characterised in that: first blade and second blade that buries that buries is circumferentially uniform。

3. Combined loosening according to claim 1 ploughs cutter, it is characterized in that: first blade that buries includes the first connecting portion and the first blade, first connecting portion is connected to the lower end of flight, the lower surface of the first blade has inclined-plane and makes the first blade wedge shaped, first blade that buries extends obliquely, and first buries the lower end of blade lower than the bottom surface of knife bar；Second blade that buries includes the second connecting portion and the second blade, second connecting portion is connected on knife bar, the lower surface of the second blade has inclined-plane and makes the second blade wedge shaped, second blade that buries extends obliquely, second buries the lower end of blade lower than the bottom surface of knife bar, and the second blade direction oppositely oriented with flight from the direction that the second connecting portion extends is consistent。

4. Combined loosening according to claim 3 ploughs cutter, it is characterised in that: the upper surface of the first blade has storage tank, has been embedded in the first alloy sheet at storage tank；The upper surface of the second blade has storage tank, has been embedded in the second alloy sheet at storage tank。

5. Combined loosening according to claim 1 ploughs cutter, it is characterized in that: be fixed with the plug socket of more than two on the top of knife bar, plug socket radially extends, plug socket shifts to install on the axial direction of knife bar, plug socket is provided with inserting groove, inserting groove is plugged with pulverizing leveling blade, described pulverizing leveling blade includes Plug Division, first bending section and the second bending section, first bending section extends to the direction identical with flight rotation direction from the outer end of Plug Division, second bending section downwardly extends from the first bending section, it is provided with pulverizing cutter blade in the outside pulverizing leveling blade。

6. Combined loosening according to claim 1 ploughs cutter, it is characterised in that: blade has cuts soil blade, cuts the outwardly formation arc in middle part of soil blade。

7. Combined loosening according to claim 6 ploughs cutter, it is characterised in that: cutting the upper surface of soil blade, to be that inclined-plane makes to cut soil blade wedge shaped, is provided with along cutting the first rib that soil blade extends at the lower surface cutting soil blade。

8. Combined loosening according to claim 1 ploughs cutter, it is characterised in that: blade is fixed on flight by bolt assembly；Described bolt assembly includes bolt and nut, and bolt from up to down sequentially passes through flight and fixed part, and threaded in the lower end of bolt have the nut compressing blade；Described nut includes nut and the round end with nut one, and the outer surface of round end has carburized layer。

9. Combined loosening according to claim 1 ploughs cutter, it is characterised in that: bury second and between blade and knife bar, be welded with gusset。

10. Combined loosening according to claim 5 ploughs cutter, it is characterised in that: it is provided with, pulverizing the position corresponding to pulverizing cutter blade on leveling blade, the second rib extended along pulverizing cutter blade。