CN205454408U - Cutter is ploughed to pine - Google Patents

Abstract

The utility model discloses a cutter is ploughed to pine, including the cutter arbor, be fixed with the flight on the cutter arbor, install the blade on the flight, be fixed with the first blade that buries at the lower extreme of flight, be fixed with the second blade that buries at the lower extreme of cutter arbor. The utility model discloses a structure can let cutter is ploughed to pine bury more easily, when burying, makes cutter is ploughed to pine's atress more even.

Description

A kind of pine ploughs cutter

Technical field

This utility model relates to pine and ploughs cutter.

Background technology

For Song Gengji, one of impact pine vitals ploughing effect is that pine ploughs cutter.It is plough and rake that traditional pine ploughs cutter, but can only be turned in soil by plough, it is impossible to realize the purpose pulverized, although rake can play certain pulverization, but the effect pulverized is poor, and the efficiency of pulverizing is low.

Along with country's support energetically to agricultural production, present semi-automation or automatization's farming equipment have obtained relatively broad application, such as agricultural equipments such as existing seeder, harvesters.

For plant, fluffy soil can promote plant root system in growth course the most flourishing, and flourishing root system can absorb more nutritional labeling from soil, allows plant growing obtain faster and the most luxuriant.When farming soil, as continued to use traditional methods of cultivation, then can be to reach the purpose making soil fluffy, therefore, the most several years ago, had people to use the pine of automatization to plough machine in research to realize ploughing, be experimentally confirmed, sowing plant on the soil by spiral cutter farming, the growth result of plant is substantially improved.

Current pine is ploughed cutter and is essentially auger stem, as Chinese Patent Application No. be 201520088069.4 filing date 2015.2.9 authorized announcement date be 2015.8.26 patent documentation in disclose the augers of a kind of subsoiling farming machine be easy to and 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, bury blade owing to only tail end at helical blade connects, 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 blade that buries is uneven with the attachment force of helical blade, and the stress of drilling rod is the most uneven, easily cause drilling rod and deform and even rupture.

Chinese Patent Application No. be 201510064514.8 filing date 2015.2.9 authorized announcement date be 2015.5.20 patent documentation in disclose the augers of a kind of subsoiling farming machine avoiding mound, it includes drilling rod, helical blade, helical blade is set around the bottom of drilling rod, it also includes that crosscutting blade, crosscutting blade are arranged at the top of drilling rod and are positioned at the top of helical blade.This simple in construction, owing to the top of drilling rod is provided with crosscutting blade, crosscutting blade can be by welding or the first half being connected to drilling rod with securing member, when ploughing work, drilling rod rotate while along with subsoiling farming machine move forward, the mound that crosscutting blade above produces at drilling rod after can effectively evening deep ploughing subsoiling out, eliminates mound phenomenon, makes the production efficiency of ploughing work be greatly improved.But the crosscutting blade giving structure effectively can not carry out separating twice to soil, additionally, if mound is too many or the highest, the crosscutting blade of this structure is when grading, horizontal cutting knife may be allowed not stuck because of power, eventually allow drilling rod stop the rotation, and power continues to put out, it is easy to damage equipment even allows equipment burnout.

Summary of the invention

Being easier to bury to allow pine plough cutter, when burying, allow pine plough being more uniformly stressed of cutter, this utility model provides a kind of pine and ploughs cutter.

For reaching above-mentioned purpose, a kind of pine ploughs cutter, including knife bar, curls up in the middle and lower part of knife bar and is fixed with flight, be provided with blade on flight, is fixed with first in the lower end of flight and buries blade；Connecting in the lower end of knife bar has more than one second to bury blade.

Said structure, 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 the most 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；Using 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 between blade and knife bar of burying is not easy the phenomenon that stress is concentrated occur, therefore, and bonding strength height.And cutter easily buries.

Further, first blade and second blade that buries that buries is the most 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 the most 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 less 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 the bury lower end of blade is less than the bottom surface of knife bar, and the direction oppositely oriented with flight, the direction that the second blade extends from the second connecting portion 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 inclination angle of blade of blade and second of burying is suitable with the helical angle of flight, 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, pine plough cutter bury time, first bury blade and second bury blade be not easy abrasion, particularly when pine plough cutter buried and laterally pulverize soil time, 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, more can be improved intensity by embedded alloy sheet, extend the life-span.

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.Blade is flattened owing to being provided with the pulverizing of this utility model structure, pulverize leveling blade vertical dislocation to arrange, and adjacent pulverizing has gap between leveling blade, so, leveling pine plough after soil time, flattened by each leveling blade hierarchical of pulverizing, knife bar is when rotated, the soil pulverized can flow between leveling blade each pulverizing, thus substantially reduce 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, second bending section has the effect raked to soil, 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 in the middle part arc of soil blade.When blade is in cutting soil process, the power that soil is applied in blade body can be analyzed to be perpendicular to cut the first component of soil blade and second component tangent with cutting soil blade, thus reduce the soil active force to blade body, on the one hand the flexural deformation of blade can be allowed to reduce, to cutting the abrasion of soil blade and destroying reduction, extending the service life of blade, on the other hand the shearing force suffered by bolt assembly also reduces, and 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, can improve cut the intensity of Tu Daorenchu by arranging the first rib, although between the first rib and the soil of pulverizing, have certain resistance, 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 can interact with soil; easily cause nut abrasion; if using common nut check blade; on the one hand nut can be allowed to wear and tear; on the other hand can destroy the nut on bolt, cause nut cannot dismantle, therefore; in this utility model; by arranging round end, allowing and ensconce in nut in the end of bolt, the screw thread preventing bolt is damaged; on the other hand round end can also be effectively protected nut of the present utility model; avoid nut abrasion as early as possible, in order to allow nut being worn the most 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 the axonometric chart that pine ploughs cutter.

Fig. 2 is the axonometric chart that pine ploughs another visual angle of cutter.

Fig. 3 is the exploded view that pine ploughs cutter.

Fig. 4 is the axonometric chart of bolt assembly.

Fig. 5 is the exploded view of bolt assembly.

Fig. 6 is the schematic diagram utilizing bolt assembly locking screw blade with blade.

Detailed description of the invention

With detailed description of the invention, this utility model is further elaborated below in conjunction with the accompanying drawings.

As shown in Figure 1 to Figure 3, pine plough cutter 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 it is shown on figure 3, be fixed with the blade of more than two on flight 2, much knives sheet is the most upwards arranged along flight.Blade 3 includes that fixed part 31 and outer end, self-retaining portion are 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, i.e. when pine ploughs cutter rotation, cuts soil blade 34 chip soil, and the knife back 35 is oppositely arranged with cutting soil blade 34.Cut the outwardly formation in the middle part arc 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 be perpendicular to cut the first component of soil blade and second component tangent with cutting soil blade, thus reduce the soil active force to blade body 32, on the one hand the flexural deformation of blade 3 can be allowed to reduce, to cutting the abrasion of soil blade 34 and destroying reduction, extend the service life of blade 3, on the other hand the shearing force suffered by bolt assembly 9 also reduces, and 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, can improve cut the intensity of Tu Daorenchu 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 4 to 6, 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.Pine ploughs cutter at Song Gengshi, nut 92 can interact with soil, easily cause nut abrasion, if using common nut check blade 3, on the one hand nut can be allowed to wear and tear, on the other hand the nut on bolt can be destroyed, 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, on the other hand round end 922 can also be effectively protected nut 921 of the present utility model, avoid nut abrasion as early as possible, in order to allow nut 92 being worn the most 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 lower end burying blade 4 is less than the bottom surface of knife bar 1, in the present embodiment, first the bury angle of blade 4 and knife bar central axis slightly larger than the helical angle of flight, preferably greater than 1-3 °.

Connecting in the lower end of knife bar 1 has more than one second to bury blade 5, 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, a wherein side of the second connecting portion 51 is welded 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 lower end burying blade 5 is less 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 the stress allowing pine plough when cutter buries is the most 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.

nullPresent 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，Pine ploughs cutter 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 the most 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；Using 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 between blade 5 and knife bar 1 of burying is not easy the phenomenon that stress is concentrated occur, therefore, and bonding strength height.Make to bury the easiest.Owing to being provided with the first alloy sheet 43 and the second alloy sheet 53, the hardness of alloy sheet is big, pine plough cutter bury time, first bury blade 4 and second bury blade 5 be not easy abrasion, particularly when pine plough cutter buried and laterally pulverize soil time, 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 pine ploughs cutter 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, extend the life-span.Cut soil blade 34 owing to blade has, when knife bar 1 rotates, cut soil blade 34 chip soil, on the one hand blade 3 can be allowed to be easier to be cut in soil, on the other hand can reduce pine and plough the resistance of cutter transverse cuts.Blade 7 is flattened owing to being provided with the pulverizing of this utility model structure, pulverize leveling blade 7 vertical dislocation to arrange, and adjacent pulverizing has gap between leveling blade, so, leveling pine plough after soil time, flattened by each leveling blade hierarchical of pulverizing, knife bar 1 is when rotated, the soil pulverized can flow between leveling blade each pulverizing, thus substantially reduce 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, second bending section 73 has the effect raked to soil, 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 (9)

1. pine ploughs a cutter, including knife bar, curls up in the middle and lower part of knife bar and is fixed with flight, be provided with blade on flight, is fixed with first in the lower end of flight and buries blade；It is characterized in that: connecting in the lower end of knife bar has more than one second to bury blade；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, and first blade that buries extends obliquely, and first buries the lower end of blade less 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 the bury lower end of blade is less than the bottom surface of knife bar, and the direction oppositely oriented with flight, the direction that the second blade extends from the second connecting portion is consistent.

Pine the most according to claim 1 ploughs cutter, it is characterised in that: first blade and second blade that buries that buries is the most uniform.

Pine the most according to claim 1 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.

Pine the most 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, 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.

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

Pine the most according to claim 5 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.

Pine the most 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.

Pine the most according to claim 1 ploughs cutter, it is characterised in that: bury second and between blade and knife bar, be welded with gusset.

Pine the most according to claim 4 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.