A kind of whole thick bamboo tube continuously removes blue or green device
Technical field
The utility model belongs to bamboo processing machine field, is related to a kind of whole thick bamboo tube and continuously removes blue or green device, specifically
Whole section of thick bamboo tube is sent into the passage of abrasive band driven pulley, thick bamboo tube driving wheel I and thick bamboo tube driving wheel II compositions, by thick bamboo tube driving wheel I and
Thick bamboo tube driving wheel II drive thick bamboo tube while rotate, while axial feed, by sbrasive belt grinding go green grass or young crops a kind of whole thick bamboo tube continuously remove blue or green device.
Background technology
Mao bamboon is a kind of fast-growing, high yield, the important forest reserves of high-quality, easily updated recovery.Not only growth cycle is short for it,
And physical and mechanical property is superior.But compared with timber, bamboo wood diameter is small, and wall is thin hollow, taperingness is big and most of cross section
All it is oval, there are the geometrical features such as different degrees of bending along its length, brings problems for its processing and utilization and be stranded
It is difficult.Therefore bamboo wood difficulty of processing it is more much bigger than timber, realize that industrialized utilization does not have timber universal like that, be mainly manifested in
Under several aspects:
(1) utilization rate of bamboo wood is low.The tabasheer of the blue or green and interior table of the bamboo of bamboo wood appearance, adhesive can not soak, and and middle
Layer bamboo property is widely different.Real available material is mainly the bamboo wood of center section in bamboo processing, and claims at present
Bamboo flooring that the product of upper intensive processing is spliced into after such as being processed by bamboo chip, the meagre bamboo of rotary-cut, its utilization rate of bamboo is all 30%
Hereinafter, the significant wastage of bamboo timber resource is thereby resulted in, while also increases the production cost of product.
(2) processing technology of bamboo wood and method choice are unreasonable.Bamboo wood is all by sawing, cuing open or planing operation, only at present
Width 15-20 millimeters, the bamboo chip that 5~7 millimeters of thickness can be processed into, it is difficult to directly utilize.Wanting acquisition sheet material, square bar must incite somebody to action
Glued by bamboo sheet gets up, and because a little, product consumption glue amount is very big.
(3) equipment precision and automatization level be not high.Due to the special construction of bamboo wood, most products of bamboo processing are only capable of
Mechanization production is realized, process portion or product are also difficult to break away from hand labour.Current bamboo processing equipment much all can not
Production requirement is adapted to, machining accuracy is not high.Because these equipment used at present are essentially all that woodworking machinery is imitated
Or improve, so the processing of bamboo wood can not be well fitted for, not only to product quality, efficiency, cost, the reliability of equipment,
Durability, automaticity etc. impact, and security is relatively low in process of production, or even jeopardize personal safety.So
Bamboo -processing industry labor productivity is low, it is impossible to meets the production needs of modern high quality bamboo product.
(4) structure of bamboo wood has notable difference with timber, and chemical composition is also not quite similar, and bamboo wood contains more than timber
The nutriments such as hemicellulose, starch, protein, sugar, thus the resistance to worm of bamboo wood product, corrosion resistant, anti-mildew ability are not as wood
Material product.Want to obtain the product that quality is good, added value is high, expand the application field of bamboo processing product, improve the profit of bamboo wood
With rate and resistance to worm, corrosion resistant and anti-mildew ability, it is necessary to carry out deep processing to mao bamboon using unique processing technology and processing method.
If mao bamboon can be launched into flawless bamboo flat board, you can obtaining a width of 250-400mm of breadth, a length of 1300-2500mm, thickness is
7- 10mm flawless bamboo flat board.This bamboo flat board can directly be used as ornament materials, may also be used for doing bamboo flooring, can be with
Its slicing is pasted onto on various types of plate bases into the meagre bamboo of different-thickness, for making composite floor board, furniture panel, people
Make the various ornament materials such as plate.Whole thick bamboo tube flawless spreading is realized, thick bamboo tube is transformed into bamboo flat board, it is necessary to remove thick bamboo tube outer surface
Bamboo is blue or green, ring and tabasheer in endoporus, cracked after equal thickness processing along longitudinal direction, sofening treatment it is reinflated.Thick bamboo tube at present
Go green grass or young crops more using blue or green knife or abrasive band is gone to, patent (CN200920009188.0, circumference autorotation intensive combined cutting tool) is to go green grass or young crops
Gang tool makees reciprocal scraping campaign under the driving of machine drive mechanism, twice back and forth can the intactly whole bamboo surface of scraping,
Complete whole piece mao bamboon and go green grass or young crops;Patent (CN200910133439.0, reciprocating removal green rinds on moso bamboo surface method) simulation is manually gone
Green grass or young crops action, along the surface rascal of the direction scraping whole piece bamboo of mao bamboon fiber;(CN201220274167.3, mao bamboon go green grass or young crops to patent
Machine) portal frame and mao bamboon fixing device are provided with frame, drive the toolbox on portal frame relative by conduction chain
Moved in thick bamboo tube and remove bamboo green grass or young crops;It is all to strike off thick bamboo tube surface along thick bamboo tube reciprocating motion using cutter that three of the above, which goes blue or green method,
Bamboo is blue or green, removed the thick bamboo tube outer round surface of green grass or young crops and rough, and certainly existed corner angle, when thick bamboo tube is launched into bamboo flat board, can produce
Crackle.Patent (CN201710140194.9, a kind of Mao bamboo tube remove blue or green machine) grinds off bamboo green grass or young crops using abrasive band, can be applicable the bamboo of bending
Cylinder, the thick bamboo tube of one large one small thick bamboo tube and ellipsoidal cross section, but process a thick bamboo tube need to remove it is manufactured
Thick bamboo tube, next thick bamboo tube of clamping have impact on productivity ratio, it is necessary to certain clamping time.
The content of the invention
The purpose of the utility model design be to provide it is a kind of by whole section of thick bamboo tube be sent into abrasive band driven pulley, thick bamboo tube driving wheel I and
The passage of thick bamboo tube driving wheel II compositions, by thick bamboo tube driving wheel I and thick bamboo tube driving wheel II drive thick bamboo tube while rotate, while axial feed,
A kind of whole thick bamboo tube for going green grass or young crops by sbrasive belt grinding continuously removes blue or green device.
Technical solution of the present utility model is:A kind of whole thick bamboo tube continuously removes blue or green device, including lever, bearing pin I, extension
Axle, frame, extension spring, extension spring hanging seat, guide sleeve, thick bamboo tube driving wheel I, abrasive band driven pulley, thick bamboo tube driving wheel II, right angle setting plate,
Abrasive band, abrasive band driving wheel, V belt translation, motor, bearing pin II, guide holder, the axis of guide, bearing block, gusset piece, razor-edge liner, rotating shaft,
Connector, box coupling, motor and buncher, screw, feather key, it is left to limit deep part, the right deep part of limit, it is characterized in that:Sand
Band driven pulley and its shafting are arranged horizontally in frame upper surface left side, and it is driven that abrasive band driving wheel and its shafting are arranged horizontally in abrasive band
The vertical lower of wheel and its shafting, abrasive band driven pulley and abrasive band driving wheel distinguish cantilever configuration in abrasive band driven pulley and drive sprocket axle
On, abrasive band is enclosed on abrasive band driving wheel and abrasive band driven pulley and is tensioned;Thick bamboo tube driving wheel II and its shafting are located at abrasive band driven pulley
Right side, its axis is relative to the abrasive band driven pulley axis angle [alpha] of deflection one in vertical plane, thick bamboo tube driving wheel I and its shafting cloth
The vertical direction among thick bamboo tube driving wheel II and abrasive band driven pulley is put, its axis is relative to abrasive band driven pulley axis in horizontal plane
The interior angle [alpha] of deflection one;After thick bamboo tube loads abrasive band driven pulley, the passage that thick bamboo tube driving wheel II and thick bamboo tube driving wheel I are formed, by sand
Band driven pulley and thick bamboo tube driving wheel II support thick bamboo tube, and thick bamboo tube driving wheel I pushes down thick bamboo tube, and abrasive band is tangent with thick bamboo tube, thick bamboo tube driving
Take turns II bus and thick bamboo tube the bus angle [alpha] of deflection one in vertical plane, thick bamboo tube driving wheel I bus is with thick bamboo tube bus in level
The angle [alpha] of deflection one in face;When going green grass or young crops, thick bamboo tube driving wheel II and thick bamboo tube driving wheel I one side frictionally drive thick bamboo tube rotation, one side
Thick bamboo tube is driven along abrasive band axial feed;Motor drives abrasive band driving wheel to turn round by V belt translation, then drives abrasive band driven by abrasive band
Wheel revolution, is ground thick bamboo tube.
In described thick bamboo tube driving wheel II and its shafting and thick bamboo tube driving wheel I and its shafting, except bearing block and right angle setting
The type of attachment of plate is different outer, and other component structurals are identical in shafting;Thick bamboo tube driving wheel I and thick bamboo tube driving wheel II are
It is cantilever configuration in the rotating shaft in bearing block, is realized with flat key circumferentially fixed with rotating shaft, connector both ends is distinguished with bolt
It is connected with the flange of bearing block and motor and buncher, motor and buncher are connected by box coupling with rotating shaft,
Respectively motor and buncher and circumferentially fixed, the general of box coupling, box coupling and rotating shaft are realized with two flat keys
Moment of torsion is transmitted to thick bamboo tube driving wheel II and thick bamboo tube driving wheel I.
Bearing block upper end in described thick bamboo tube driving wheel II and its shafting is welded with one piece of gusset piece, gusset piece with it is vertical
A razor-edge liner is provided between installing plate, the angle of wedge of razor-edge liner is α, is fixed on the gusset piece on bearing block vertically with bolt
After on installing plate, it is ensured that thick bamboo tube driving wheel II and its shafting in vertical plane relative to the axis deviation one of abrasive band driven pulley
Angle [alpha];The razor-edge liner of the different angles of wedge is changed, thick bamboo tube driving wheel II buses and thick bamboo tube bus angle of deviation in vertical plane can be changed
α size is spent, so as to change feed speed during thick bamboo tube grinding;Angle excursion α is bigger, under the speed conditions of identical thick bamboo tube,
Thick bamboo tube is faster along the feed speed in abrasive band, otherwise slower.
Bearing block upper end in described thick bamboo tube driving wheel I and its shafting is welded with an axis of guide, and the axis of guide is through solid
The guide sleeve being scheduled on right angle setting plate, be sequentially arranged with the guiding shaft part for passing guide sleeve feather key, hanging scroll, bearing pin I and
Lever;Key is directed to screw to be fixed on the axis of guide, feather key is embedded in the groove for being fixed on right angle setting plate top guide holder
In;Two extension springs, one both sides for being hung in hanging scroll, other end is hung on two spring hanging seats;Lever is placed in the axis of guide
In the groove on top, lever and the axis of guide are hinged by bearing pin I through the U-shaped hole of lever head and the hole of the axis of guide.
Two bolt-connection holes on described guide holder are deep-slotted chip breaker, and deep-slotted chip breaker is centrally located at the center of the axis of guide,
Rotating the axis of guide drives the thick bamboo tube driving wheel I in bearing block and its shafting to be put in the horizontal plane relative to abrasive band driven pulley axis
It is dynamic, after thick bamboo tube driving wheel I axis with after the angle [alpha] of abrasive band driven pulley axis deviation one, tightening the attachment bolt on guide holder;By
In the effect of feather key, the rotation of thick bamboo tube driving wheel I and its shafting relative to guide sleeve is limited, is become when removing the thick bamboo tube diameter of green grass or young crops
During change, thick bamboo tube driving wheel I and its shafting can only move up and down relative to guide sleeve.
Described abrasive band driven pulley and thick bamboo tube driving wheel II rotates in fixed axis, and thick bamboo tube driving wheel I is with every thick bamboo tube point
Degree of cutting change, the change of thick bamboo tube cross section ovality Bu Tong rotate with every thick bamboo tube diameter, while and whole shafting one
Rise and slided up and down along guide sleeve;The axis of guide being fitted into guide sleeve is in thick bamboo tube driving wheel I and its shafting deadweight and two extension springs
Under effect, when the feather key lower end being fixed in the axis of guide, which slides into, is oriented to set upper side, it can be oriented to along guide sleeve slide downward
Axle is limited, and thick bamboo tube driving wheel I and its shafting are in extreme lower position, and now, abrasive band driven pulley, thick bamboo tube driving wheel II and thick bamboo tube drive
The passage that driving wheel I is formed is minimum.When whole thick bamboo tube continuously goes blue or green device work, motor and two motors and stepless change is respectively started
Fast device, then firmly pressure lever left end, lever rotate operative employee around bearing pin II, lift the axis of guide, thick bamboo tube driving wheel I and its axle
Along guide sleeve upward sliding, the passage for being formed abrasive band driven pulley, thick bamboo tube driving wheel II and thick bamboo tube driving wheel I becomes big for system, then
Thick bamboo tube microcephaly is loaded between abrasive band driven pulley, the passage that thick bamboo tube driving wheel II and thick bamboo tube driving wheel I are formed, it is left to release lever
The pressure at end, thick bamboo tube is pushed down in the presence of two extension springs and thick bamboo tube driving wheel I and its shafting deadweight.
Described thick bamboo tube driving wheel II bus and thick bamboo tube the bus bus with thick bamboo tube driving wheel I and bamboo in vertical plane
The angle excursion α of cylinder bus in the horizontal plane is equal, and α big I goes blue or green thickness requirement to determine according to thick bamboo tube;When thick bamboo tube drives
The driving wheel I and thick bamboo tube driving wheel II timing of rotating speed one, α is bigger, and thick bamboo tube is faster relative to the feed speed in abrasive band, so, work as sand
Band relative to thick bamboo tube the timing of linear velocity one, it is desirable to go blue or green thickness is bigger, value of α should be smaller, the suitable α values of the present apparatus are at 3 °
Between -8 °.
Described thick bamboo tube driving wheel I and thick bamboo tube driving wheel II it is cylindrical on paste one layer of rubber parts, improve and thick bamboo tube table
The coefficient of friction in face, increase and the frictional force on thick bamboo tube surface.
Described abrasive band driven pulley left and right ends are provided with the deep part of left limit and the right deep part of limit, and the diameter of the left deep part of limit is less than the right side
The diameter of deep part is limited, the difference and abrasive band and the difference in height of the left deep part of limit of the right deep part of limit and the left radius for limiting deep part are to go blue or green depth,
The left deep part of limit is close to the thick bamboo tube surface for not going green grass or young crops, and the right deep part of limit is close to the thick bamboo tube surface for going green grass or young crops, so whole thick bamboo tube
It is equal to go blue or green depth;If blue or green depth is gone in change, need to adjust the diameter of the deep part of left limit and the right deep part of limit, change left
Limit deep part and the right deep part of limit.
Described abrasive band driving wheel and its shafting and motor are arranged on same installing plate, two spiral shells on rotary screw
Mother, installing plate can be made around mandrel swings;When changing abrasive band, two nuts turning clockwise on screw rod, make installing plate around
The centre-to-centre spacing of mandrel clockwise oscillation, abrasive band driving wheel and abrasive band driven pulley diminishes, and removes the abrasive band for needing to change;Change fresh sand
Band after, two nuts on rotate counterclockwise screw rod, make installing plate around mandrel counter-clockwise swing, abrasive band driving wheel and abrasive band from
The centre-to-centre spacing of driving wheel becomes big, after being tensioned abrasive band, locking nut.
The utility model has the advantages and positive effects of:Because thick bamboo tube driving wheel II bus is hanging down with thick bamboo tube bus
In straight plane and thick bamboo tube driving wheel I bus and the deflection of thick bamboo tube bus in the horizontal plane identical angle [alpha], abrasive band and thick bamboo tube
Tangent, so when the present apparatus goes green grass or young crops, thick bamboo tube driving wheel II and thick bamboo tube driving wheel I one side frictionally drive thick bamboo tube rotation, one side
Thick bamboo tube is driven along abrasive band axial feed;Motor drives abrasive band driving wheel to turn round by V belt translation, then drives abrasive band driven by abrasive band
Wheel revolution, abrasive band produce relative motion grinding thick bamboo tube with thick bamboo tube;When the bamboo on thick bamboo tube surface is blue or green while before a ground, edge abrasive band
During row tail end big to thick bamboo tube, then load next thick bamboo tube, realize the continuous of thick bamboo tube and go green grass or young crops.The present apparatus not only structure letter
Time that is single and eliminating handling thick bamboo tube, substantially increase the efficiency that thick bamboo tube goes green grass or young crops.
Brief description of the drawings
The utility model is further illustrated with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the end view of thick bamboo tube direction of feed after blue or green device is removed in thick bamboo tube loading.
Fig. 2 is C-C sectional views, and after representing that connector is fixed on right angle setting plate, thick bamboo tube driving wheel II and its shafting exist
Relative to the situation of the angle [alpha] of abrasive band driven pulley axis deviation one in vertical plane.
Fig. 3 is B-B sectional views, represents thick bamboo tube driving wheel I and its shafting relative to abrasive band driven pulley axis in the horizontal plane
The situation of the angle [alpha] of deflection one.
Fig. 4 is A-A sectional views, represents the shafting structure of abrasive band driven pulley and abrasive band driving wheel.
Fig. 5 is E-E sectional views, represents the installation of the feather key insertion axis of guide and guide holder and guide holder and right angle setting plate
Situation.
In figure:1st, lever 2, bearing pin I 3, hanging scroll 4, frame 5, extension spring 6, extension spring hanging seat 7, guide sleeve 8, thick bamboo tube drive
Driving wheel I 9, driven abrasive belt wheel 10, thick bamboo tube driving wheel II 11, right angle setting plate 12, abrasive band 13, active abrasive belt wheel 14, band
Transmission 15, motor 16, installing plate 17, mandrel 18, screw rod 19, bearing pin II 20, guide holder 21, the axis of guide 22, bearing
Seat 23, gusset piece 24, razor-edge liner 25, rotating shaft 26, connector 27, box coupling 28, motor and buncher
29th, screw 30, feather key 31, the deep part 32 of left limit, the deep part 33 of right limit, thick bamboo tube.
Embodiment
Abrasive band driven pulley 9 and its shafting are arranged horizontally on the left of the upper surface of frame 4, and abrasive band driving wheel 13 and its shafting are horizontal
The vertical lower of abrasive band driven pulley 9 is arranged in, abrasive band driven pulley 9 and abrasive band driving wheel 13 distinguish cantilever configuration in abrasive band driven pulley
With (as shown in Figure 4) on drive sprocket axle, abrasive band driving wheel 13 and its shafting and motor 15 are arranged on same installing plate 16, rotation
Turn two nuts on screw rod 18, installing plate 16 can be made to be swung around mandrel 17;When changing abrasive band 12, turn clockwise screw rod 18
On two nuts, make installing plate 16 around the clockwise oscillation of mandrel 17, the center of abrasive band driving wheel 13 and abrasive band driven pulley 9
Away from diminishing, the abrasive band 12 for needing to change is removed from end;After changing fresh sand band 12, two spiral shells on rotate counterclockwise screw rod 18
Mother, making installing plate 16, the centre-to-centre spacing change of abrasive band driving wheel 13 and abrasive band driven pulley 9 is big, tensioning around the counter-clockwise swing of mandrel 17
Behind abrasive band 12, locking nut (as shown in Figure 1).In thick bamboo tube driving wheel II10 and its shafting and thick bamboo tube driving wheel I8 and its shafting,
In addition to bearing block 22 is different from the type of attachment of right angle setting plate 11, other component structurals are identical in two shaftings, bamboo
Cylinder driving wheel I8 and thick bamboo tube driving wheel II10 is cantilever configuration in the rotating shaft 25 in bearing block 22, is realized with flat key and rotating shaft
25 it is circumferentially fixed, the both ends of connector 26 are connected with flange of the bolt respectively with bearing block 22 and motor and buncher 28,
Motor and buncher 28 are connected by box coupling 27 with rotating shaft 25, realize motor and variable speed with two flat keys respectively
Device 28 is circumferentially fixed with rotating shaft 25 with box coupling 27, box coupling 27, by moment of torsion be transmitted to thick bamboo tube driving wheel II10 and
Thick bamboo tube driving wheel I8;Thick bamboo tube driving wheel II10 and its shafting are located on the right side of abrasive band driven pulley 9, the upper end of bearing block 22 weldering in shafting
One piece of gusset piece 23 is connected to, a razor-edge liner 24, the angle of wedge of razor-edge liner 24 are provided between gusset piece 23 and right angle setting plate 11
For α, after with bolt, the gusset piece 23 on bearing block 22 is fixed on right angle setting plate 11, its axis is relative to abrasive band driven pulley
9 axis angle [alpha] of deflection one (as shown in Figure 2) in vertical plane, the razor-edge liner 24 of the different angles of wedge is changed, thick bamboo tube driving can be changed
II10 buses and the bus of thick bamboo tube 33 the angle excursion α in vertical plane size are taken turns, so as to change feeding speed when thick bamboo tube 33 is ground
Degree;Skew angle is bigger, and under the speed conditions of identical thick bamboo tube, feed speed of the thick bamboo tube 33 along abrasive band 12 is faster, otherwise slower.
The vertical direction of thick bamboo tube driving wheel I8 and its shaft system arrangement among thick bamboo tube driving wheel II10 and abrasive band driven pulley 9, in shafting
The upper end of bearing block 22 is welded with an axis of guide 21, and the axis of guide 21 passes through the guide sleeve 7 being fixed on right angle setting plate 11, worn
Go out on 21 sections of the axis of guide of guide sleeve 7 to be sequentially arranged with feather key 30, hanging scroll 3, bearing pin I2 and lever 1, key is directed to screw 29
30 are fixed on the axis of guide 21, and the insertion of feather key 30 is fixed in the groove of the top guide holder 20 of right angle setting plate 11, guide holder
Two bolt-connection holes on 20 are deep-slotted chip breaker, and deep-slotted chip breaker is centrally located at the center of the axis of guide 21, rotate the axis of guide 21 and drive
Thick bamboo tube driving wheel I8 on bearing block 22 and its shafting is swung in the horizontal plane relative to the axis of abrasive band driven pulley 9, treats that thick bamboo tube drives
Driving wheel I8 axis is with after the angle [alpha] of 9 axis deviation of abrasive band driven pulley one, tightening the attachment bolt on guide holder 20;Two extension springs 5
One both sides for being hung in hanging scroll 3, other end are hung on two extension spring hanging seats 6, and thick bamboo tube driving wheel I8 and its shafting exist
, can be along the slide downward of guide sleeve 7, when under the feather key 30 being fixed in the axis of guide 21 in the presence of deadweight and two extension springs 5
When end slides into 7 upper end of guide sleeve, the axis of guide 21 is limited, and thick bamboo tube driving wheel I8 and its shafting are in extreme lower position, now, abrasive band
The passage that driven pulley 9, thick bamboo tube driving wheel II10 and thick bamboo tube driving wheel I8 are formed is minimum;Lever 1 is placed in the top of the axis of guide 21
In groove, lever 1 and the axis of guide 21 are hinged by bearing pin I2 through the hole on the U-shaped hole and the axis of guide on the head of lever 1.Whole thick bamboo tube
When continuously going blue or green device work, motor 15 and two motors and buncher 28 is respectively started, then operative employee firmly depresses
The left end of lever 1, lever 1 swing around bearing pin II19, lift the axis of guide 21, make thick bamboo tube driving wheel I8 and its shafting along guide sleeve 7
Upward sliding, the microcephaly of thick bamboo tube 33 loading abrasive band driven pulley 9, thick bamboo tube driving wheel II10 and thick bamboo tube driving wheel I8 are formed logical
Between road, thick bamboo tube is supported by abrasive band driven pulley 9 and thick bamboo tube driving wheel II10, the pressure of the left end of lever 1 is released, in two extension springs
Push down thick bamboo tube in the presence of 5 and thick bamboo tube driving wheel I8 and its shafting deadweight, now, be wound on abrasive band 12 on abrasive band driven pulley 9 with
Thick bamboo tube 33 is tangent, thick bamboo tube driving wheel II10 bus and the bus of thick bamboo tube 33 angle [alpha] of deflection one in vertical plane, thick bamboo tube driving wheel
I8 bus and the bus of thick bamboo tube 33 angle [alpha] of deflection one in the horizontal plane;When going green grass or young crops, thick bamboo tube driving wheel II10 and thick bamboo tube driving wheel I8
One side frictionally drives thick bamboo tube 33 to rotate, while driving thick bamboo tube 33 along the axial feed of abrasive band 12;Motor 15 passes through V belt translation 14
Drive abrasive band driving wheel 13 to turn round, then drive abrasive band driven pulley 9 to turn round by abrasive band 12, abrasive band 12 produces relative motion mill with thick bamboo tube
Cut thick bamboo tube 33;It is left because the left and right ends of abrasive band driven pulley 9 are provided with the deep part 31 of left limit and the right deep part 32 of limit during green grass or young crops is gone
The diameter for limiting deep part 31 is less than the diameter of the deep part 32 of right limit, the right deep part 32 of limit and the difference of the radius of the left deep part 31 of limit and abrasive band 12 and
The difference in height of the left deep part 31 of limit is goes blue or green depth, and the left deep part 31 of limit is close to the surface of thick bamboo tube 33 for not going green grass or young crops, and the right deep part 32 of limit is tight
The surface of thick bamboo tube 33 for going green grass or young crops is attached to, so the blue or green depth of going of whole thick bamboo tube 33 is equal;When the bamboo green grass or young crops one on the surface of thick bamboo tube 33
When side is ground, an edge abrasive band proceeds to 33 big tail end of thick bamboo tube, then loads next thick bamboo tube 33, realize thick bamboo tube 33
The continuous time gone green grass or young crops, eliminate handling thick bamboo tube, substantially increase the efficiency that thick bamboo tube goes green grass or young crops.