A kind of adaptive thick bamboo tube of inner bearing type removes green supporting mechanism
Technical field: the utility model relates to one of bamboo processing method thick bamboo tube supporting mechanisms, specifically bamboo
When blueness is gone in cylinder grinding, green supporting mechanism is gone to extend among thick bamboo tube inner hole in the adaptive thick bamboo tube at both ends, and adapt to thick bamboo tube diameter
Variation, a kind of the smallest adaptive thick bamboo tube of inner bearing type of the amplitude of oscillation removes green supporting mechanism when rotating thick bamboo tube.
Background technique: moso bamboo be a kind of fast-growing, high yield, high-quality, easily updated recovery the important forest reserves.It not only gives birth to
Long period is short, and physical and mechanical property is superior.Compared with timber, since thick bamboo tube diameter is small, wall is thin hollow, and taperingness is big and horizontal
Most of section is all ellipse, has the geometrical features such as different degrees of bending along its length, all these to process benefit to it
With bringing problems and difficulty.
Bamboo wood is all to be only capable of being processed into 15-20 millimeters of width, 5~8 millimeters of thickness by sawing, cuing open or planing operation at present
Bamboo chip, it is difficult to directly utilize.To the product that acquisition is high-quality, added value is high, expand the application field of bamboo processing product,
Improve utilization rate and the resistance to worm, corrosion resistant and anti-mildew ability of bamboo wood, it is necessary to using unique processing technology and processing method to hair
Bamboo carries out deep processing.If moso bamboo can be launched into flawless bamboo plate, can be obtained breadth width is 250-400mm, a length of 1300-
3000mm, the flawless bamboo plate with a thickness of 5-10mm.This bamboo plate can directly be used as ornament materials, can also be used to do bamboo
Its slicing can also be pasted on various types of plate bases by floor at the meagre bamboo of different-thickness, for make composite floor board,
The various ornament materials such as furniture panel, wood-based plate.It realizes whole thick bamboo tube flawless spreading, thick bamboo tube is transformed into bamboo plate, it is necessary to go
Fall the internal segment and tabasheer in thick bamboo tube inner hole, the bamboo of outer surface is green, opens a seam along its length, reinflated after softened processing.
To really realize whole thick bamboo tube flawless spreading, it is necessary to assure went tabasheer and the surfaces externally and internally of bamboo blueness that cannot have apparent rib
Angle, otherwise thick bamboo tube is easy to produce stress concentration during expansion, and expansion plate is caused to crack;Green method is gone in all thick bamboo tubes
In, it is optimal that green method is gone as to be ground.According to method for grinding, thick bamboo tube needs to rotate, due to the geometry ratio of moso bamboo
More special, every thick bamboo tube has different degrees of bending, no matter takes which kind of thick bamboo tube supporting way, and the thick bamboo tube of rotation can all have one
The curvature of fixed pendulum width, thick bamboo tube is bigger, and it is also bigger to rotate the amplitude of oscillation;The thick bamboo tube of same flexure degree, thick bamboo tube is longer, and the amplitude of oscillation is got over
Greatly.Thick bamboo tube supporting way used at present has both ends external clamping type and both ends of the surface internal-expansion type;So-called both ends external clamping type is exactly to utilize three
It is exactly to prop up in the inner hole for protrude into thick bamboo tube both ends using taper support that foot chuck, which clamps thick bamboo tube and drives its rotation, both ends of the surface internal-expansion type,
Support thick bamboo tube simultaneously drives its rotation, so for the thick bamboo tube for having curvature, the support side of both ends external clamping type and both ends internal-expansion type
The amplitude of oscillation of the formula when driving thick bamboo tube rotation among thick bamboo tube is maximum (as shown in Figure 1), and high-speed rotating bistrique must be with thick bamboo tube
The amplitude of oscillation and swing up and down, it is exactly that the inertial impact force that makes to generate when grinding is bigger that the amplitude of oscillation is bigger, and the thick bamboo tube table after blueness is removed in influence
Face quality, in addition, the supporting way of both ends external clamping type also will cause the waste of bamboo wood, because the part clamped is can not to be ground
, do not gone before expansion green place must sawing fall.The inertial impact force generated when in order to reduce grinding, after blueness is gone in raising grinding
Thick bamboo tube outer surface quality, it is necessary to as much as possible reduction thick bamboo tube rotation when the amplitude of oscillation, if the supporting point at thick bamboo tube both ends is protruded into
The position appropriate into the hole for removing internal segment and tabasheer, so that it may which amplitude of oscillation when rotating thick bamboo tube is minimum (as shown in Figure 2).Fig. 2 with
Thick bamboo tube curvature in Fig. 1 is identical with length, using the point of maximum support selected by Fig. 2 (the thick bamboo tube maximum support point of different length
It is different, can be obtained by calculating), amplitude of oscillation L2 is far smaller than the amplitude of oscillation L1 in Fig. 1.
Summary of the invention:
The purpose of the utility model design is to provide various thick bamboo tube diameters within the scope of suitable integral bamboo flawless spreading and is going
A kind of the smallest adaptive thick bamboo tube of inner bearing type of the amplitude of oscillation removes green supporting mechanism when blueness rotation.
The technical solution of the utility model is achieved in that a kind of adaptive thick bamboo tube of inner bearing type removes green support machine
Structure, including hollow support shaft I, hollow support shaft II, hollow shaft, push piece, backing pin, pressure spring I, driven sprocket, have strong market potential, mandrel, shake
Pole socket, pin shaft I, rocking bar, pin shaft II, connecting rod base, connecting rod, pin shaft III, circlip for shaft, short pin, pressure spring II, it is characterized in that:
For hollow support shaft I and hollow support shaft II respectively by two roller bearings, cantilever extension end is respectively provided with an elongated slot, empty
One driven sprocket is housed on heart support shaft I;Two hollow shafts pass through bearings at both ends end cap, be respectively placed in hollow support shaft I and
In the hole of hollow support shaft II, into a ladder, there is a through-hole at middle part, opens respectively before through-hole for the front end processing of every hollow shaft
There are short slot I and short slot II, hollow shaft center hole front end is equipped with mandrel, and backing pin is fitted into the through-hole in the middle part of hollow shaft, two root long pins
Short slot I on the through-hole and hollow shaft in mandrel is respectively protruding into the elongated slot of hollow support shaft I and hollow support shaft II;
One pressure spring I is set between backing pin and spindle tail, and hollow shaft front end is equipped with rocking bar core, between rocking bar core and the hollow shaft shaft shoulder
Equipped with pressure spring II, every single mandrel front end is respectively provided with connecting rod base, and three rocking bars are respectively hinged on rocking bar core with three pin shaft I,
Three connecting rod both ends are hinged on rocking bar and connecting rod base with pin shaft II and pin shaft III respectively;When being packed into thick bamboo tube, in the push piece of both sides
Pusher retracted drives hollow shaft, backing pin, pressure spring I, mandrel, has strong market potential, pressure spring II, short pin, rocking bar core, rocking bar, connecting rod and connecting rod base
It moves together, by the rocking bar core of hollow shaft and mandrel front end, rocking bar, connecting rod and connecting rod base together among both ends insertion thick bamboo tube;
When two root long pins move to the front end of elongated slot on hollow support shaft I and hollow support shaft II respectively, have strong market potential and be blocked, mandrel and
It has strong market potential and stops moving, and hollow shaft continues to move under the drive of push piece, makes to produce relative motion between hollow shaft and mandrel,
Spacing between rocking bar core and connecting rod base becomes smaller, and pressure spring I is further compressed, and three rocking bars and three connecting rods are respectively around pin shaft
I and pin shaft III is swung, and three rocking bars gradually open under the promotion of three connecting rods respectively, until contacting with thick bamboo tube inner wall, is propped up
Thick bamboo tube, at this point, there is no relative motions between rocking bar and connecting rod, rocking bar core stops movement, and the stroke of push piece not yet terminates, empty
Mandrel will continue to move, and pressure spring II is further compressed, and relative motion is generated between hollow shaft and rocking bar core, until the row of push piece
Journey terminates;Thick bamboo tube is gone after the completion of blueness, and thick bamboo tube stops rotating, and push rod in the push piece of both sides stretches out, drive respectively hollow shaft, backing pin to
Outer end is mobile, at the same time, has strong market potential motionless under the thrust of pressure spring II in pressure spring I, rocking bar core with mandrel;When mounted in hollow shaft most
When the circlip for shaft of front end moves to rocking bar core, hollow shaft is moved together with rocking bar core, the spacing of rocking bar core and connecting rod base
Become larger, rocking bar and connecting rod are swung respectively around pin shaft I and pin shaft III, and the adaptive thick bamboo tube supporting mechanism of inner bearing type unclamps;When hollow
The edge short slot I on axis moves to when having strong market potential, hollow shaft with have strong market potential, mandrel, rocking bar core and connecting rod base remove thick bamboo tube together.
When design, green supporting mechanism is gone to protrude into the adaptive thick bamboo tube of inner bearing type according to the position of thick bamboo tube inner support maximum support point
Initial position before thick bamboo tube determines the length X1 of hollow support shaft I and hollow support shaft II cantilever extension end elongated slot, further according to
When three rocking bars are contacted with maximum gauge thick bamboo tube inner wall rocking bar core relative to connecting rod base it is mobile at a distance from determine short slot I in hollow shaft
Length X2+D1, rocking bar core when being contacted respectively with minimum diameter thick bamboo tube inner wall and maximum gauge thick bamboo tube inner wall according to three rocking bars
The distance mobile relative to hollow shaft determines that the length X4+D2 of short slot II in hollow shaft, three rocking bars support minimum diameter thick bamboo tube
When, the rocking bar core distance mobile relative to hollow shaft is maximum, and wherein X4 should be determined according to this moving distance, and D1 and D2 difference
It is determined by respectively required intensity.
The push piece stroke is H, and the flute length of hollow support shaft I and hollow support shaft II cantilever extension end is X1, is had strong market potential
Diameter be D1, short pin diameter is D2, a length of X2+D1 of short slot I, the short a length of X4+D2 of slot II in hollow shaft, and inner bearing type is adaptive
After thick bamboo tube goes green supporting mechanism to support thick bamboo tube, at the end of push piece stroke, have strong market potential between the edge slot I short in hollow shaft
Distance is decreased to X3 by X2, and when three rocking bars support minimum diameter thick bamboo tube, hollow shaft is maximum relative to rocking bar core moving distance,
At this point, the distance between edge short slot II is decreased to X5 by X4 in short pin and hollow shaft, wherein X3 > 0 and X5 > 0, H=
X1+X2-X3。
The hollow support shaft I and hollow support shaft II and two hollow shafts, hollow shaft and mandrel, rocking bar core with it is hollow
It is clearance fit between axis, hollow shaft slides freely relative to hollow support shaft I and hollow support shaft II;Backing pin and hollow shaft
It is interference fit between the through-hole at middle part;It has strong market potential between mandrel using interference fit, has strong market potential and short slot I, the sky in hollow shaft
Heart support shaft I and the elongated slot of hollow support shaft II cantilever extension end are respectively clearance fit, the short slot I in hollow shaft of having strong market potential,
It is slid freely in elongated slot on hollow support shaft I and hollow support shaft II cantilever extension end;It is interference between short pin and rocking bar core
Cooperation, is clearance fit with the short slot II in hollow shaft, and rocking bar core slides in short slot II in hollow shaft in hollow shaft, short pin
Freely.
The push piece uses linear motor or cylinder.
The flat key is used to realize that driven sprocket and hollow support shaft I's is circumferentially fixed, drives hollow branch by chain conveyer
Axis I rotation is held, drives hollow shaft and mandrel to rotate together by having strong market potential, so that thick bamboo tube be driven to rotate.
The circlip for shaft realizes that the axial restraint of rocking bar core and hollow shaft, short pin realize rocking bar core and hollow shaft
It is circumferentially fixed.
Has an initial compressive deformation when pressure spring I is mounted between backing pin and mandrel end section, when push rod band
When dynamic hollow shaft is mobile, pressure spring initial compression when deforming generated pressure must assure that and have strong market potential in hollow support shaft I and hollow
When moving in the elongated slot of support shaft II cantilever extension end, mandrel and hollow shaft are moved together, without producing relative sliding;When having strong market potential
It moves together with mandrel and hollow shaft on hollow support shaft I and hollow support shaft II cantilever extension end when the front end of elongated slot, the heart
Axis stops movement, and hollow shaft continues to move forward, and pressure spring I is further compressed, while three rocking bars shake;Since the diameter of thick bamboo tube is big
It is small different, the thick bamboo tube of different-diameter is propped up, the total compression amount of pressure spring is different, and props up maximum directly so must assure that when design
When the thick bamboo tube of diameter, the total compression amount that pressure spring I can be generated subtracts initial compression amount and should be greater than having strong market potential relative to short in hollow shaft
The distance that slot I is moved.
Has an initial compressive deformation when pressure spring II is mounted between rocking bar core and the hollow shaft shaft shoulder.
The advantages and positive effects of the utility model are as follows: the adaptive thick bamboo tube of inner bearing type goes to the position of green supporting mechanism support thick bamboo tube
It is set to maximum support point, amplitude of oscillation when this supporting point can be such that thick bamboo tube rotates is minimum, produces when substantially reducing bistrique grinding to thick bamboo tube
Raw impact force, the thick bamboo tube surface quality after improving blueness;The adaptive thick bamboo tube of inner bearing type goes green supporting mechanism to drive in push piece
Under rapidly enter in thick bamboo tube behind the position of maximum support point, have strong market potential and just move to hollow support shaft I and hollow support shaft II cantilever
The front end of extension end elongated slot, subsequent hollow shaft and mandrel generate relative motion, and pressure spring I is further compressed, rocking bar core and company
The spacing of pole socket becomes smaller, and three rocking bars gradually open under the promotion of three connecting rods respectively, props up thick bamboo tube;Ground thick bamboo tube is straight
Diameter varies, and after three rocking bars prop up the thick bamboo tube of minimum diameter, there is no relative motions between rocking bar core and connecting rod base, and push away
The stroke of part be it is certain, due between the shaft shoulder and rocking bar core of hollow shaft front end be provided with pressure spring II, when push piece is with sky
It when mandrel continues Forward, can be produced relative sliding between hollow shaft and rocking bar core, pressure spring II is further compressed, to adapt to
The variation of thick bamboo tube diameter, and structure is simple, low cost, handling thick bamboo tube is convenient, fast.
Detailed description of the invention: the present invention will be further described with reference to the accompanying drawings and examples
Fig. 1 is that thick bamboo tube both ends support schematic diagram, indicates amplitude of oscillation situation when thick bamboo tube goes green rotate
Fig. 2 is that inner bearing type thick bamboo tube supports schematic diagram, indicates amplitude of oscillation situation when thick bamboo tube goes green rotate
Fig. 3 is that inner bearing type adaptive thick bamboo tube in the thick bamboo tube left side goes green supporting mechanism axial sectional view
Fig. 4 is that the adaptive thick bamboo tube of inner bearing type goes green supporting mechanism axial sectional view on the right of thick bamboo tube
Fig. 5 is that the adaptive thick bamboo tube of thick bamboo tube the right and left inner bearing type goes green supporting mechanism to protrude into the axial sectional view before thick bamboo tube
Fig. 6 is that the adaptive thick bamboo tube of thick bamboo tube the right and left inner bearing type goes green supporting mechanism to protrude into maximum support position in thick bamboo tube
When, and three rocking bars not yet swing before axial sectional view
Fig. 7 is that the adaptive thick bamboo tube of thick bamboo tube the right and left inner bearing type goes green supporting mechanism to protrude into thick bamboo tube the axis for supporting thick bamboo tube
It is A-A sectional view to cross-sectional view Fig. 8, indicates the case where three rocking bars support thick bamboo tube
In figure: 1-1, hollow support shaft I 1-2, hollow support shaft II 2, hollow shaft 3, push piece 4, backing pin 5, pressure spring I
6, flat key 7, driven sprocket 8,9, mandrel 10 of having strong market potential, rocking bar core 11, pin shaft I 12, rocking bar 13, pin shaft II 14, connecting rod
Seat 15, connecting rod 16, pin shaft III 17, circlip for shaft 18, short pin, 19, pressure spring II 20, thick bamboo tube
Specific embodiment:
20 support of thick bamboo tube using manipulator or is manually gone to the center of green supporting mechanism to the adaptive thick bamboo tube of inner bearing type, together
The push piece 3 on the both sides Shi Qidong, the push rod in both sides push piece 3 drive respectively respective hollow shaft 2, backing pin 4, pressure spring I5, mandrel 9,
Have strong market potential 8, rocking bar core 10, connecting rod base 14, rocking bar 12 and connecting rod 15 quickly extend into the position of maximum support point in thick bamboo tube 20, this
When, two 8 front ends for having moved into hollow support shaft I1-1 and hollow support shaft II1-2 cantilever extension end elongated slot of having strong market potential have strong market potential 8
Stop moving with mandrel 9, hollow shaft 2 and backing pin 4 continue to move forward under the drive of 3 push rod of push piece, and mandrel 9 and hollow shaft 2 generate
Relative motion, the spacing between rocking bar core 10 and connecting rod base 14 become smaller, and three rocking bars 12 and three connecting rods 15 are respectively around pin shaft
I11 and pin shaft III16 shakes, and three rocking bars 12 gradually open under the promotion of three connecting rods 15 respectively, until in thick bamboo tube 20
Wall contact, at this point, rocking bar 12 is no longer swung, there is no relative motion between rocking bar 12 and connecting rod 15, rocking bar core 10 stops movement,
And the stroke of push piece 3 not yet terminates, hollow shaft 2 will continue to move, and pressure spring II5 is further compressed, hollow shaft 2 and rocking bar core 10
Between generate relative motion, until the stroke of push piece 3 terminates;Thick bamboo tube 20 is gone after the completion of blueness, and thick bamboo tube 20 stops rotating, both sides push piece
Push rod in 3 stretches out, and drives hollow shaft 2, backing pin 4 to move outward respectively, at the same time, have strong market potential 8 and mandrel 9 pressure spring I5,
Rocking bar core 10 is motionless under the thrust of pressure spring II19;It is shaken when the circlip for shaft 17 mounted in 2 front end of hollow shaft moves to
When pole socket 10, hollow shaft 2 is moved together with rocking bar core 10, and the spacing of rocking bar core 10 and connecting rod base 14 becomes larger, rocking bar 12 and company
Bar 15 is swung respectively around pin shaft I11 and pin shaft III16, and the adaptive thick bamboo tube of inner bearing type goes green supporting mechanism to unclamp;When hollow shaft 2
On the edge short slot I move to when having strong market potential 8, hollow shaft 2 removes bamboo with 8, mandrel 9 of having strong market potential, rocking bar core 10 and connecting rod base 14 together
Cylinder 20, a thick bamboo tube goes blueness to complete the process, and repeats above-mentioned movement, carries out the processing of next thick bamboo tube.