CN206999200U - A kind of integral bamboo flawless spreading device - Google Patents

Abstract

A kind of integral bamboo flawless spreading device, it is characterized in that：Left support abutment and right support abutment are housed in the left and right ends of frame, lower spindle, upper spindle and three camshafts are housed on left support abutment and right support abutment, be disposed with upper left enclosure, lower-left enclosure and right enclosure around lower spindle, lower spindle is cylindrical and upper left enclosure, lower-left enclosure, right enclosure inner arc between form the large semicircle annular groove of a variable-width；Casting die on bamboo flat board lower support element and bamboo flat board is disposed with the right side of lower spindle and upper spindle, bamboo flat board lower support element upper surface and lower spindle are tangent, casting die lower surface and upper spindle are tangent on bamboo flat board, and a rectangular channel is formed between casting die and bamboo flat board lower support element on bamboo flat board；Three camshafts are arranged on the outside of upper left enclosure, lower-left enclosure and right enclosure, and two eccentric wheels are housed on every camshaft；Thick bamboo tube after softening is broken into two with one's hands, passes through, is fitted into expanding unit from the arc groove of left support abutment end.

Description

A kind of integral bamboo flawless spreading device

Technical field：The utility model belongs to bamboo processing technical field, and internal segment de-etiolation will be gone, go green grass or young crops by relating generally to one kind Whole section of thick bamboo tube afterwards crack vertically it is softened after be launched into the integral bamboo flawless spreading device of flawless bamboo flat board.

Background technology：Mao bamboon is a kind of fast-growing, high yield, the important forest reserves of high-quality, easily updated recovery.It not only gives birth to Long period is short, and physical and mechanical property is superior.But compared with timber, bamboo wood diameter is small, and wall is thin hollow, and taperingness is big and transversal Most of face is all oval, has the geometrical features such as different degrees of bending along its length, is brought for its processing and utilization many Problem and difficulty.Therefore, the difficulty of processing of bamboo wood is more much bigger than timber, realizes that industrialized utilization does not have that timber is universal like that, main Show the following 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 also incite somebody to action 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, artificial 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 along longitudinal direction, sofening treatment it is reinflated.Thick bamboo tube is launched into bamboo flat board at present has It is representational mainly to have following two unwinder：(1) by a pair or several the adjustable parallel rollers in mutual gap are formed.Upper roller bearing Seat is fixed, and with teeth on roller, tooth section is triangle；Lower roll is plain-barreled roll, and bearing block may move in chute；When splitting, section is removed simultaneously Thick bamboo tube after softening between two rollers laterally across when, upper roller roller tooth applies vertical extruding force to thick bamboo tube inwall fiber, and then produces Horizontal power, forces thick bamboo tube to deploy；The bamboo flat board of this unwinder expansion has many apertures in yellow bamboo face, and there is a large amount of fine fisssures Line.(2) longitudinal direction is equipped with one group of groove expansion roller with the drive connection of power distributor box respectively, groove expansion above carrying roller The angularly disposed one group of line carver being parallel to each other of roller circumferential surface；The circle bamboo flattening machine, one group of groove is equipped with by longitudinal direction Expansion roller progressively deploys thick bamboo tube；Thick bamboo tube be placed in carrying roller and groove expansion roller between, groove deploy roller while rotate, while press, side There is provided feeding power, the synchronous progress groove of line carver while thick bamboo tube deploy so that sheet material it is not easy to crack.Two kinds of sides of the above Method all can not really realize the flawless spreading of thick bamboo tube.

The content of the invention：The purpose of this utility model be to provide it is a kind of will go internal segment de-etiolation, go green grass or young crops whole section of thick bamboo tube vertically Crack it is softened after be launched into the integral bamboo flawless spreading device of flawless bamboo flat board.

Technical solution of the present utility model is：A kind of integral bamboo flawless spreading device, including disc spring, screw I, pressing plate I, stage clip, bearing I, mandrel I, casting die, bearing, bamboo flat board lower support element, right enclosure, mandrel II, roller, screw on bamboo flat board II, pressure plates II, floating bearing bracket, upper spindle, swivel joint, upper left enclosure, lower spindle, lower-left enclosure, right support abutment, bias Wheel, camshaft, worm decelerating machine, left support abutment, frame, driven gear, driving gear, planet-cycloid reducer, elastic shaft coupling Device, bearing I I, sliding seat, mandrel III, Chain conveyer, it is characterized in that：Left support abutment and right branch are respectively provided with the left and right ends of frame , lower spindle, upper spindle and three camshafts are housed on left support abutment and right support abutment, upper left outsourcing is disposed with around lower spindle Part, lower-left enclosure and right enclosure, lower spindle is cylindrical and upper left enclosure, lower-left enclosure, right enclosure inner arc between Form the large semicircle annular groove of a variable-width；Bamboo flat board lower support element and bamboo flat board are disposed with the right side of lower spindle and upper spindle Upper casting die, bamboo flat board lower support element are screwed on the support plate of left support abutment and right support abutment, its upper surface and lower spindle phase Cut, casting die is arranged in the vertical direction of bamboo flat board lower support element on bamboo flat board, and its lower surface and upper spindle are tangent, are pressed on bamboo flat board A rectangular channel is formed between part and bamboo flat board lower support element；Three camshafts are arranged in upper left enclosure, outside lower-left On the outside of parcel post and right enclosure, two eccentric wheels are equipped with every camshaft.

The gap between lower spindle and upper spindle after installing is L, and its L value is less than all thickness for being unfolded thick bamboo tube Degree；Keyway is provided with lower spindle, push piece is housed in keyway, and push piece is fixed on lower spindle with screw, the length of push piece is big In the length for being unfolded bamboo flat board；The driving gear and driven gear being meshed are respectively provided with lower spindle and upper spindle；Set one's heart It is cavity among axle, its right-hand member is provided with swivel joint, is passed through conduction oil；Two floating bearing brackets of supporting upper spindle are nested in In the groove of left support abutment and right support abutment, the top of two floating bearing brackets is provided with one group of disc spring and pressure plates II, passes through rotary screw II Adjust the pressure size of disc spring；When deploying thick bamboo tube, lower spindle makees dead axle revolution, and thick bamboo tube is pushed into upper spindle by the push button on lower spindle Between lower spindle, thick bamboo tube is by spreading, and upper spindle is while turn round, while being fluctuated with the thickness difference of thick bamboo tube.

Corresponding upper left enclosure, lower-left enclosure and right enclosure end positions are used on the inside of described left support abutment and right support abutment Screw is fixed with two sliding seats, and three rectangular channels, upper left enclosure, lower-left enclosure and right outsourcing are provided with each sliding seat Spike in part both ends of the surface is correspondingly embedded in groove respectively, and its spike head is rolled equipped with being cased with one on mandrel II, each mandrel II Son, each roller keep contacting with the eccentric wheel on corresponding camshaft all the time；Before thick bamboo tube loads, passed by worm decelerating machine, chain Dynamic to drive three camshaft revolutions, the eccentric wheel at each camshaft both ends drives roller and upper left enclosure, lower-left outsourcing Part and right enclosure slide in and out along the rectangular channel on sliding seat so that lower spindle is cylindrical and upper left enclosure, lower-left outsourcing Part, right enclosure inner arc between annulus well width become big, be easy to the insertion of thick bamboo tube；After thick bamboo tube is encased in annular groove, Three camshaft reversions are driven by worm decelerating machine, Chain conveyer again, make upper left enclosure, lower-left enclosure and right enclosure edge The rectangular channel slid inward on sliding seat, thick bamboo tube is pressed into lower spindle, the inner surface of thick bamboo tube is attached to the outer surface of lower spindle On, then drive lower spindle to turn round by cycloidal planetary gear speed reducer by main transmission, in the driving gear driving on lower spindle Driven gear revolution in mandrel.

Casting die end positions have been screwed two bearings on corresponding bamboo flat board on the inside of described left support abutment and right support abutment, Mandrel I and mandrel III be housed in each bearing, casting die both ends on bamboo flat board, limitation bamboo flat board are propped up equipped with bearing I on mandrel I The movement of upper casting die or so；The front end of casting die on bamboo flat board is propped up on mandrel III equipped with bearing I I, casting die on bamboo flat board is limited and exists The bamboo flat board being unfolded moves forward when being squeezed among rectangular channel.

Described upper spindle right-hand member is equipped with swivel joint, upper left enclosure, lower-left enclosure, right enclosure, on bamboo flat board Casting die and to set one's heart axis center be cavity, conduction oil is passed through in cavity；Thick bamboo tube loads after expanding unit and during expansion, upper left Casting die lower surface, upper spindle outer surface and thick bamboo tube appearance on enclosure, lower-left enclosure, the inner surface of right enclosure and bamboo flat board Face contacts, and lower spindle outer surface and bamboo flat board lower support element upper surface contact with thick bamboo tube inner surface, produces thick bamboo tube surfaces externally and internally Temperature difference, be advantageous to thick bamboo tube expansion.

It is provided with a backing plate on described bamboo flat board between casting die and bamboo flat board lower support element both ends, its thickness is L, bamboo flat board Upper casting die upper surface both ends are provided with stage clip, rotary screw I, adjust the size of pressure spring force by pressure plates I, on bamboo flat board casting die with It is unfolded the thickness change of bamboo flat board and fluctuates；Push button will wrap the thick bamboo tube on lower spindle promote upper spindle and lower spindle it Between, after rolling, among bamboo flat board is got into the rectangular channel on bamboo flat board between casting die and bamboo flat board lower support element, bamboo flat board Upper casting die presses to the bamboo flat board being unfolded in the presence of two stage clips, make the bamboo flat board upper and lower surface that is unfolded by one with The opposite frictional force effect of bamboo flat board direction of advance；During thick bamboo tube deploys, this frictional force make to be squeezed into rectangular channel it Between bamboo flat board acted on all the time by a lateral pressure, it is therefore prevented that thick bamboo tube deploy when ftracture.

An arc groove is machined with around described left supporting lower spindle bearing hole, the interior arc radius R of its arc groove is equal to The radius of lower spindle, the thick bamboo tube after softening break into two with one's hands after through on left support abutment arc groove load upper left enclosure, lower-left enclosure and Between right enclosure and lower spindle.

The utility model has the advantages and positive effects of：Due to upper left enclosure, lower-left enclosure and right enclosure It can be slided in the guide groove of sliding seat, upper left enclosure, lower-left enclosure, right enclosure and ring annular groove that lower spindle forms are wide Alterable is spent, just enters thick bamboo tube loading；Due to casting die and upper spindle on upper left enclosure, lower-left enclosure, right enclosure, bamboo flat board Conduction oil is passed through in center cavity so that when thick bamboo tube deploys, the surfaces externally and internally of thick bamboo tube forms a thermograde, makes thick bamboo tube Flow is more prone to when being rolled through upper spindle and lower spindle；Due on bamboo flat board between casting die and bamboo flat board lower support element Gap L is less than all thickness for being unfolded thick bamboo tube, and the bamboo flat board of expansion is got into casting die and bamboo flat board lower support element on bamboo flat board Between when lateral pressure to one transverse direction of thick bamboo tube, it is therefore prevented that cracking when thick bamboo tube deploys；With existing integral bamboo flawless spreading skill Art is compared, the equal flawless of bamboo flat board surfaces externally and internally of expansion, is truly realized the flawless spreading of thick bamboo tube；This bamboo flat board not only may be used Used directly as sheet material, can be pasted onto on various base materials and used into meagre bamboo with slicing.

Brief description of the drawings

The axial sectional view of Fig. 1 expanding units.

The top view of Fig. 2 expanding units.

Fig. 3 upper lefts enclosure, lower-left enclosure and right enclosure shift to outermost under the drive of eccentric wheel, with lower spindle Between annular groove gap for it is maximum when A-A sectional views.

The A-A sectional views that Fig. 4 thick bamboo tubes are fitted into expanding unit.

Before the expansion of Fig. 5 thick bamboo tubes, upper left enclosure, lower-left enclosure and right enclosure press to thick bamboo tube the A-A on lower spindle Sectional view.

Fig. 6 thick bamboo tubes after upper and lower mandrel rolls, into bamboo flat board on casting die and bamboo flat board lower support element composition rectangular channel Between A-A sectional views.

Fig. 7 thick bamboo tubes are all got on bamboo flat board and opened up completely between casting die and bamboo flat board lower support element composition rectangular channel A-A sectional views after opening.

The axial sectional view of Fig. 8 camshafts.

Fig. 9 sliding seat end views.

Figure 10 left support abutment end views.

In figure：1st, disc spring 2, screw I3, pressure plates I 4, stage clip 5, bearing I 6, mandrel I7, casting die 8, bearing 9, bamboo on bamboo flat board Flat board lower support element 10, push button 11, right enclosure 12, mandrel II13, roller 14, screw II15, pressure plates II 16, floating bearing bracket 17th, upper spindle 18, swivel joint 19, upper left enclosure 20, thick bamboo tube 21, lower spindle 22, lower-left enclosure 23, right support abutment 24, partially Heart wheel 25, camshaft 26, worm decelerating machine 27, left support abutment 28, frame 29, driven gear 30, driving gear 31, cycloidal-pin wheel Reductor 32, yielding coupling, 33, bearing I I34, sliding seat 35, mandrel III36, Chain conveyer

Embodiment

In integral bamboo flawless spreading device, gap between upper spindle 17 and lower spindle 21 and bamboo flat board after installing Spacing between upper casting die 7 and bamboo flat board lower support element 9 is L, and its L value is less than all thickness for being unfolded thick bamboo tube；In supporting Two floating bearing brackets 16 of mandrel 17 are pressed by disc spring 1, and rotary screw II14 adjusts the big of the pressure of disc spring 1 by pressure plates II 15 It is small；The upper surface both ends of casting die 7 are provided with stage clip 4 on bamboo flat board, rotary screw I2, the big of the pressure of stage clip 4 are can adjust by pressure plates I It is small.The input of cycloidal planetary gear speed reducer 31 and worm decelerating machine 26 is equipped with the transmission mechanism of achievable rotating, wherein, pendulum Line pin gear speed reducer 31 is connected by yielding coupling 32 with lower spindle 21, the driving gear 30 on lower spindle 21 and upper spindle 17 On driven gear 29 engage, drive upper spindle 17 turn round, upper spindle 17 is opposite with the steering of lower spindle 21；Worm decelerating machine 26 It is connected by box coupling with the camshaft 25 in the outside of lower-left enclosure 22, then other two is driven respectively by Chain conveyer 36 Individual camshaft 25 rotates together.Thick bamboo tube 20 loads before expanding unit, and three are driven by Chain conveyer 36 by worm decelerating machine 26 Root camshaft 25 rotates simultaneously, and the eccentric wheel 24 on every camshaft 25 drives upper left enclosure 19, a left side by roller 13 Lower enclosure 22 and right enclosure 11 chute along sliding seat 34 slides in and out, until eccentric wheel 24 rotates 180 degree and stopped, this When, the spacing between upper left enclosure 19, lower-left enclosure 22 and right enclosure 11 and lower spindle 21 is maximum (such as Fig. 3 institutes Show), it is easy to load thick bamboo tube 20.By go internal segment de-etiolation, go to blue or green, longitudinal direction to crack, soften after thick bamboo tube 20 break into two with one's hands, from left support abutment 27 Pass through, be fitted into expanding unit (as shown in Figure 4) in the arc groove of end；Then worm decelerating machine 6 is inverted, passes through Chain conveyer 36 Three camshafts 25 are driven to rotate simultaneously, two eccentric wheels 24 on every camshaft 25 drive upper left by roller 13 Enclosure 19, lower-left enclosure 22 and right enclosure 11 the chute slid inward along sliding seat 34, are loaded into expanding unit Thick bamboo tube 20 presses to lower spindle 17, the inner surface of thick bamboo tube 20 is attached on the outer surface of lower spindle 17 (as shown in Figure 5)；Then by Cycloidal planetary gear speed reducer 31 drives lower spindle 21 and upper spindle 17 to rotate by yielding coupling 32, when lower spindle 21 starts to turn round After a period of time, the push piece 10 on lower spindle 21 will be attached to thick bamboo tube 20 on the surface of lower spindle 21 and push lower spindle 21 and upper spindle to Between 17；Due to the spacing L between lower spindle 21 and upper spindle 17 be less than it is all be unfolded the thickness of thick bamboo tube 20, so being pushed into Thick bamboo tube 20 between upper spindle 17 and lower spindle 21 is rolled, and upper spindle 17 and lower spindle 21 are while relatively rotate, upper spindle 17 While driving floating bearing bracket 16 to fluctuate with the thickness change of thick bamboo tube 20 is unfolded, the thick bamboo tube 20 after being rolled can tilt upward It is bent；It is upturned under producing the collective effect of frictional force when the thrust and upper spindle 17 of push piece 10 roll with lower spindle 21 Thick bamboo tube 20 is squeezed into the rectangular channel (as shown in Figure 6) that casting die 7 and bamboo flat board lower support element 9 form on bamboo flat board, due to all The thickness for being unfolded thick bamboo tube is both greater than the thickness L of backing plate between casting die 7 and bamboo flat board lower support element 9 on bamboo flat board, and bamboo flat board Lower support element 9 is fixed, and casting die 7 can float upwards under extruding force effect on bamboo flat board；When the bamboo flat board of expansion is squeezed into After rectangular channel, casting die 7 and bamboo flat board lower support element 9 produce frictional force in the bamboo flat board upper and lower surface being flattened on bamboo flat board, Give the bamboo flat board being unfolded one lateral pressure, ftractureed when preventing thick bamboo tube 20 from deploying；When push piece 20 run to lower spindle 21 with During 17 line of centres position of upper spindle, thick bamboo tube 20 is all introduced into the square that casting die 7 and bamboo flat board lower support element 9 form on bamboo flat board Between shape passage, thick bamboo tube 20 is fully deployed into flawless bamboo flat board (as shown in Figure 7)；After the completion of expansion, reversion cycloidal-pin wheel subtracts Fast machine 31, lower spindle 21 and upper spindle 17 is driven to realize fast rotation, until the push piece 10 on lower spindle 21 returns to initial position, Meanwhile rotary worm reductor 26 drives three camshafts 25 to turn round 180 degrees by Chain conveyer 36, make upper left enclosure 19, Lower-left enclosure 22 and right enclosure 11 and the spacing of lower spindle 21 are maximum (as shown in Figure 3), load next thick bamboo tube 20, weight Multiple above-mentioned action.

Claims (6)

1. a kind of integral bamboo flawless spreading device, including disc spring (1), screw I (2), pressure plates I (3), stage clip (4), bearing I (5), Casting die (7), bearing (8), bamboo flat board lower support element (9), right enclosure (11), mandrel II (12), rolling on mandrel I (6), bamboo flat board Sub (13), screw II (14), pressure plates II (15), floating bearing bracket (16), upper spindle (17), swivel joint (18), upper left outsourcing Part (19), lower spindle (21), lower-left enclosure (22), right support abutment (23), eccentric wheel (24), camshaft (25), worm speed-down Machine (26), left support abutment (27), frame (28), driven gear (29), driving gear (30), bearing I I (33), sliding seat (34), the heart Axle III (35), Chain conveyer (36), it is characterized in that：Left support abutment (27) and right support abutment are respectively provided with the left and right ends of frame (28) (23) lower spindle (21), upper spindle (17) and three camshafts (25), the lower heart, are housed on left support abutment (27) and right support abutment (23) Be disposed with upper left enclosure (19), lower-left enclosure (22) and right enclosure (11) around axle (21), lower spindle (21) it is cylindrical with Upper left enclosure (19), lower-left enclosure (22), right enclosure (11) inner arc between formed a variable-width large semicircle Annular groove；Casting die (7), bamboo on bamboo flat board lower support element (9) and bamboo flat board are disposed with the right side of lower spindle (21) and upper spindle (17) Flat board lower support element (9) is screwed on the support plate of left support abutment (27) and right support abutment (23), its upper surface and lower spindle (21) tangent, casting die (7) is arranged in the vertical direction of bamboo flat board lower support element (9), its lower surface and upper spindle on bamboo flat board (17) it is tangent, form a rectangular channel between casting die (7) and bamboo flat board lower support element (9) on bamboo flat board；Three camshafts (25) it is arranged on the outside of upper left enclosure (19), lower-left enclosure (22) and right enclosure (11), every camshaft (25) two eccentric wheels (24) are equipped with.

2. a kind of integral bamboo flawless spreading device as claimed in claim 1, it is characterized in that：Lower spindle (21) after installing and Gap between upper spindle (17) is L, and its L value is less than all thickness for being unfolded thick bamboo tube；Lower spindle (21) and upper spindle (17) driving gear (30) and driven gear (29) being meshed are respectively provided with；It is cavity among upper spindle (17), its right-hand member Swivel joint (18) is installed, is passed through conduction oil；Two floating bearing brackets (16) of supporting upper spindle (17) are nested in left support abutment (27) and in the groove of right support abutment (23), the top of two floating bearing brackets (16) is provided with one group of disc spring (1) and pressure plates II (15), leads to Cross the pressure size of rotary screw II (14) regulation disc springs (1).

3. a kind of integral bamboo flawless spreading device as claimed in claim 1, it is characterized in that：In left support abutment (27) and right support abutment (23) inner side corresponding upper left enclosure (19), lower-left enclosure (22) and right enclosure (11) both ends have been screwed two cunnings Dynamic seat (34), correspond to casting die (7) both ends on bamboo flat board and be screwed two bearings (8)；It is provided with each sliding seat (34) Three rectangular channels, the spike in upper left enclosure (19), lower-left enclosure (22) and right enclosure (11) both ends of the surface correspond to respectively In embedded groove, its spike head is equipped with mandrel II (12), and a roller (13), each roller are cased with each mandrel II (12) (13) keep contacting with the eccentric wheel (24) on corresponding camshaft (25) all the time；In each bearing (8) equipped with mandrel I (6) and Casting die (7) both ends on bamboo flat board are propped up equipped with bearing I (5) on mandrel III (35), mandrel I (6), axle is housed on mandrel III (35) Hold the front end that II (33) props up casting die (7) on bamboo flat board.

4. a kind of integral bamboo flawless spreading device as claimed in claim 1, it is characterized in that：Before thick bamboo tube loads, described three Camshaft (25) is driven by Chain conveyer (36) by worm decelerating machine (26) and turned round, the bias at each camshaft (25) both ends Take turns (24) and drive roller (13) and upper left enclosure (19), lower-left enclosure (22) and right enclosure (11) along sliding seat (34) On rectangular channel slide in and out so that lower spindle (21) is cylindrical and upper left enclosure (19), lower-left enclosure (22) and right outsourcing Annulus well width between the inner arc of part (11) becomes big；Three eccentric wheels are driven by Chain conveyer (36) by worm decelerating machine (26) Axle (25) inverts, and makes upper left enclosure (19), lower-left enclosure (22) and right enclosure (11) along the square on sliding seat (34) Shape groove slid inward, the thick bamboo tube inner surface of loading is set to be attached on the outer surface of lower spindle (21).

5. a kind of integral bamboo flawless spreading device as claimed in claim 1, it is characterized in that：Casting die (7) and bamboo on bamboo flat board It is provided with a backing plate between flat board lower support element (9) both ends, its thickness is L, and casting die (7) upper surface both ends are provided with stage clip on bamboo flat board (4)；Thick bamboo tube after upper spindle (17) and lower spindle (21) roll is squeezed on bamboo flat board casting die (7) with being supported under bamboo flat board Between the rectangular channel that part (9) is formed；Casting die (7) both ends are provided with two stage clips (4) on bamboo flat board, rotary screw I (2), pass through Pressure plates I (3) adjusts the size of stage clip (4) pressure.

6. a kind of integral bamboo flawless spreading device as claimed in claim 1, it is characterized in that：Left support abutment (27) lower spindle (21) axle A more than half arc groove is machined with around bearing bore, the interior arc radius R of its arc groove is equal to the radius of lower spindle.