CN103786198B - With the unstressed flattening device of tubular bamboo wood and the flattening method of surf green, bamboo spring - Google Patents
With the unstressed flattening device of tubular bamboo wood and the flattening method of surf green, bamboo spring Download PDFInfo
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- CN103786198B CN103786198B CN201410072326.5A CN201410072326A CN103786198B CN 103786198 B CN103786198 B CN 103786198B CN 201410072326 A CN201410072326 A CN 201410072326A CN 103786198 B CN103786198 B CN 103786198B
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Abstract
The present invention is the unstressed flattening device of tubular bamboo wood with surf green, bamboo spring and flattening method, and its structure comprises motor, support, protective cover, rotor, flattening roller, cylinder, flattening roller bearing sliding seat, chute, caging bolt, rotor bearing fixed seat, chain, gearbox; Its flattening method comprises: 1) bamboo wood is heated to glass transition temperature; 2) the quick unstressed leveling of bamboo wood; 3) planing surf green; 4) fixed thick planing bamboo spring; 5) the face-to-face superimposed stacking drying of bamboo spring-bamboo spring or high-pressure drying.Advantage: flattening device only needs a pair roller is above flattening roller, and lower is rotor, and structure simplified overhauling is convenient, and processing ease, can adapt to the leveling of different-diameter thick bamboo tube, flattens effective; The thick bamboo tube heated in heating tank need flatten complete fast in 3-5 minutes; Carry out surely thick planing operation, the crack major part in bamboo spring face is all shootd off in planing, and when being processed into product, bamboo spring, all in cemented surface, does not affect outward appearance and intensity.
Description
Technical field
What the present invention relates to is a kind of by with the unstressed flattening device of tubular bamboo wood of surf green, bamboo spring and flattening method.Belong to bamboo processing utilization technical field.
Background technology
Bamboo wood wall is thin, hollow, and from being divided into surf green, bamboo meat, bamboo spring outside to inside, three's structure is different, and performance difference is large, thus makes bamboo wood be difficult to carry out mechanization, automation processing.The stock utilization of bamboo wood traditional diamond-making technique and labor productivity are all very low, seriously constrain the survival and development of bamboo processing industry.If cylindrical bamboo can be flattened into flat by simple method and apparatus, the industrialized utilization for bamboo wood is opened up new approach, this technology causes the concern of all circles.Last century eight, the nineties, 87100368.6 of applicant mandate and 91108203.4 two patents also relate to high temperature, softening, flatten.Be limited to study condition at that time and cognition degree, flattening bamboo chip width bamboo spring face at that time have and runs through, but discontinuous crack.Flatten bamboo chip to use as structural wood mainly for the manufacture of three layers or multilayer bamboo plywood.After this decades, lot of domestic and international people proposes design and the imagination of the flattening of thick bamboo tube free from flaw, has applied for multinomial patent.Thick bamboo tube due to inner and outer diameter difference comparatively large, if thick bamboo tube external diameter 10cm, wall thickness 1.0cm, after flattening, bamboo strip width reaches 31.4cm, and bamboo spring face width degree only 25.12cm, both differ 6.3cm.Therefore under normal temperature condition, if by tubular bamboo wood expanding, bamboo spring face Tensile stress, for make bamboo spring face and bamboo strip wide, some large cracks will inevitably be produced in bamboo spring face and without several gaps, bamboo strip can be made equal with bamboo spring face width degree, reach unstress state.Application number is the patent of 200710025460.x, the processing in the bamboo spring face of bamboo wood is adopted to lead the mode splitting eye, bamboo wood internal diameter is while flattening, and leading of dispersion processing splits eye by splitting action power dispersion during bamboo wood expanding and absorption, thus effectively prevents the cracking in crack on bamboo spring face.Although this method of deploying reaches the object of bamboo wood expanding, after flattening, bamboo wood presents bending, and inside has stress to exist; Utilize the method on the other hand, bamboo wood carries out longitudinal flattening, need adopt the roller of multipair different evagination radian and the bed die of different indent radian, and device structure is complicated, when the bamboo wood variation in diameter flattened is more, flatten the situation easily occurring cracking or flatten poor effect.
Summary of the invention
What the present invention proposed is a kind of unstressed flattening device of tubular bamboo wood with surf green, bamboo spring and flattening method, its object is intended to the above-mentioned defect overcome existing for prior art, bamboo wood is heated to predetermined temperature and glass transition temperature, and keep bamboo wood to have higher moisture content, bamboo wood self will become soft, plasticity greatly strengthens, and the saw kerf on cylinder bamboo wood can be opened automatically.Therefore the tubular bamboo wood saturated vapor with surf green, bamboo spring is heated to, in the scope of 180 ± 20 DEG C, can realize the high-moisture percentage of bamboo wood, can glass transition temperature be reached again.
Technical solution of the present invention: with the unstressed flattening device of tubular bamboo wood of surf green, bamboo spring, its structure comprises motor, support, protective cover, rotor, flattening roller, cylinder, flattening roller bearing sliding seat, chute, caging bolt, rotor bearing fixed seat, chain, gearbox, wherein, motor and gearbox are installed below support, rotor and flattening roller is had above support, rotor is fixedly mounted by rotor bearing fixed seat and support, flattening roller is arranged in the chute above rotor bearing fixed seat by flattening roller bearing sliding seat, rotor and flattening roller are in same vertical plane, flattening roller bearing sliding seat only slides up and down in chute, caging bolt is between rotor bearing fixed seat and flattening roller bearing sliding seat, cylinder is arranged on flattening roller bearing sliding seat top, gearbox has chain to be connected with one end of rotor, the protective cover of arc is all equipped with in the front and back of rotor, during work, the bamboo spring of the thick bamboo tube of saw kerf natural extension axial after hot mastication process is faced down, namely send between rotor and flattening roller facing to rotor, motor is rotated by gearbox and chain drive rotor, and drive thick bamboo tube to pass between rotor and flattening roller, and the flattening roller bearing sliding seat at flattening roller two ends carries out pressing down of steady pressure by cylinder to it in chute, therefore comparatively uniform suppressing action is played to thick bamboo tube, make the blade on rotor in controlled range, evenly cut the bamboo spring layer of flattened thick bamboo tube, uniform fine cracks is extruded in bamboo spring face while feeding, internal stress when release flattens, realize unstressed flattening, adopt cylinder, can adapt to the thick bamboo tube material of different wall, down force pressure is stablized, and flattening process is smooth and easy, and cylinder has certain cushioning effect, avoids blocked up material through the damage of the rotor caused and flattening roller, plays a good protection, caging bolt between rotor bearing fixed seat and flattening roller bearing sliding seat limits the extreme lower position 3mm higher than rotor 4 that flattening roller presses down, and ensures that flattening roller 5 and rotor 4 can not produce because of grazing and damages, the arc protective cover installed in the front and back of rotor prevents operating personnel from coming to harm because touching blade sharp on rotor, effective guarantee personal safety.
With the method for the unstressed flattening of tubular bamboo wood of surf green, bamboo spring, comprise the steps:
1) bamboo wood is heated to glass transition temperature;
2) the quick unstressed leveling of bamboo wood;
3) planing surf green;
4) fixed thick planing bamboo spring;
5) the face-to-face superimposed stacking drying of bamboo spring-bamboo spring or high-pressure drying.
Advantage of the present invention: this flattening device only needs a pair roller is above flattening roller, and lower is rotor, the simple science of structure, and easy to maintenance, processing ease, can adapt to the leveling of different-diameter thick bamboo tube, flattens effective; The thick bamboo tube heated in heating tank need flatten complete fast in 3-5 minutes; Carry out surely thick planing operation, the crack major part in bamboo spring face is all shootd off in planing, and when being processed into product, bamboo spring, all in cemented surface, does not affect outward appearance and intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus for leveling.
Fig. 2 is rotor schematic diagram.
Fig. 3 is technical process schematic diagram of the present invention.
In figure 1 is motor, 2 are supports, 3 are protective covers, 4 are rotors, 5 are flattening rollers, 6 are cylinders, 7 are flattening roller bearing sliding seats, 8 are chutes, 9 are caging bolts, 10 are rotor bearing fixed seats, 11 are chains, 12 is gearboxes.
Detailed description of the invention
Contrast Fig. 1, with surf green, the unstressed flattening device of tubular bamboo wood of bamboo spring, its structure comprises motor 1, support 2, protective cover 3, rotor 4, flattening roller 5, cylinder 6, flattening roller bearing sliding seat 7, chute 8, caging bolt 9, rotor bearing fixed seat 10, chain 11, gearbox 12, wherein, motor 1 and gearbox 12 are installed below support 2, rotor 4 and flattening roller 5 is had above support 2, rotor 4 is fixedly mounted by rotor bearing fixed seat 10 and support 2, flattening roller 5 is arranged on inside the chute 8 above rotor bearing fixed seat 10 by flattening roller bearing sliding seat 7, rotor 4 and flattening roller 5 are in same vertical plane, flattening roller bearing sliding seat 7 can only slide up and down in chute 8, caging bolt 9 is between rotor bearing fixed seat 10 and flattening roller bearing sliding seat 7, cylinder 6 is arranged on flattening roller bearing sliding seat 7 top, gearbox 12 and one end of rotor 4 have chain 11 to be connected, the protective cover 3 of arc is all equipped with in the front and back of rotor 4.
During work, the bamboo spring of the thick bamboo tube of saw kerf natural extension axial after hot mastication process is faced down, namely send between rotor 4 and flattening roller 5 facing to rotor 4, motor 1 drives rotor 4 to rotate by gearbox 12 and chain 11, and drive thick bamboo tube to pass between rotor 4 and flattening roller 5, and the flattening roller bearing sliding seat 7 at flattening roller 5 two ends carries out pressing down of steady pressure by cylinder 6 to it in chute 8, therefore comparatively uniform suppressing action is played to thick bamboo tube, make the blade on rotor 4 in controlled range, evenly cut the bamboo spring layer of flattened thick bamboo tube, uniform fine cracks is extruded in bamboo spring face while feeding, internal stress when release flattens, realize unstressed flattening.This mechanism adopts cylinder 6, can adapt to the thick bamboo tube material of different wall, and down force pressure is stablized; flattening process is smooth and easy; and cylinder 6 has certain cushioning effect, avoid blocked up material through the rotor 4 caused and the damage of flattening roller 5, play a good protection.Caging bolt 9 between rotor bearing fixed seat 10 and flattening roller bearing sliding seat 7 can limit the extreme lower position 3mm higher than rotor 4 that flattening roller 5 presses down, and ensures that flattening roller 5 and rotor 4 can not produce because of grazing and damages.The arc protective cover 3 installed in the front and back of rotor 4 can prevent operating personnel from coming to harm because touching blade sharp on rotor 4, effective guarantee personal safety.
Contrast accompanying drawing 2, with on the rotor identical with the diameter that flattening roller is established relatively, its sharp blade cuts into a large amount of, equally distributed, certain depth cutting edge on bamboo spring face, and (the distance 2-4mm of blade, the degree of depth 3-6m of blade, blade is processed into acute angle 20--30
°), bamboo spring face is relaxed, and makes its width equal with bamboo strip width, the tensile stress produced on bamboo spring face when discharging flattening, thus the state that flattening bamboo chip can be made to keep straight, be called unstressed flattening.
Contrast Fig. 3, with the method for the unstressed flattening of tubular bamboo wood of surf green, bamboo spring, comprises the steps:
1) bamboo wood is heated to glass transition temperature, choose the fresh bamboo wood that outer ring and internal segment, bamboo wood radial saw have saw kerf, in withstand voltage heating tank, pass into the saturated vapor heating 5-10 minutes of 1.0-1.3MPa, make bamboo wood reach glass transition temperature, namely within the scope of 180 ± 20 DEG C;
2) the quick unstressed leveling of bamboo wood, quick taking-up thick bamboo tube, thick bamboo tube saw kerf spring is faced down, green grass or young crops faces up and send between flattening roller in flattening device and rotor, drive motors drives rotor to rotate by gearbox, and drive bamboo wood to pass through between flattening roller and rotor, the two ends of leveling roll shaft are pressed down it by cylinder, can play good leveling effect to bamboo wood;
3) planing surf green, whole the bamboo clappers taken out from apparatus for leveling, longitudinally sends into the powerful thicknessing machine having larger compression driving force fast, and plane falls one deck surf green;
4) fixed thick planing bamboo spring, instead crosses face, and the fixed thick processing of quick length feed is planed bamboo spring face, thus the whole plate of the bamboo obtaining unstressed leveling;
5) the face-to-face superimposed stacking drying of bamboo spring-bamboo spring or high-pressure drying, by in heaps for two pieces of bamboo leveling leaf spring face be superimposed together stackings relative to spring face, send into hothouse drying or be dried to moisture content about 12% by high-pressure drying technique, the whole plate of bamboo that can obtain following process is stand-by.
Claims (2)
1., with the unstressed flattening device of tubular bamboo wood of surf green, bamboo spring, it is characterized in that comprising motor, support, protective cover, rotor, flattening roller, cylinder, flattening roller bearing sliding seat, chute, caging bolt, rotor bearing fixed seat, chain, gearbox, wherein, motor and gearbox are installed below support, rotor and flattening roller is had above support, rotor is fixedly mounted by rotor bearing fixed seat and support, flattening roller is arranged in the chute above rotor bearing fixed seat by flattening roller bearing sliding seat, rotor and flattening roller are in same vertical plane, flattening roller bearing sliding seat only slides up and down in chute, caging bolt is between rotor bearing fixed seat and flattening roller bearing sliding seat, cylinder is arranged on flattening roller bearing sliding seat top, gearbox has chain to be connected with one end of rotor, the protective cover of arc is all equipped with in the front and back of rotor, during work, the bamboo spring of the thick bamboo tube of saw kerf natural extension axial after hot mastication process is faced down, namely send between rotor and flattening roller facing to rotor, motor is rotated by gearbox and chain drive rotor, and drive thick bamboo tube to pass between rotor and flattening roller, and the flattening roller bearing sliding seat at flattening roller two ends carries out pressing down of steady pressure by cylinder to it in chute, therefore comparatively uniform suppressing action is played to thick bamboo tube, make the blade on rotor in controlled range, evenly cut the bamboo spring layer of flattened thick bamboo tube, uniform fine cracks is extruded in bamboo spring face while feeding, internal stress when release flattens, realize unstressed flattening, adopt cylinder, can adapt to the thick bamboo tube material of different wall, down force pressure is stablized, and flattening process is smooth and easy, and cylinder has certain cushioning effect, avoids blocked up material through the damage of the rotor caused and flattening roller, plays a good protection, caging bolt between rotor bearing fixed seat and flattening roller bearing sliding seat limits extreme lower position that flattening roller presses down than rotor height 3mm, ensures that flattening roller and rotor can not produce because of grazing and damages, the arc protective cover installed in the front and back of rotor prevents operating personnel from coming to harm because touching blade sharp on rotor, effective guarantee personal safety,
Its flattening method, comprises the steps:
1) bamboo wood is heated to glass transition temperature, choose the fresh bamboo wood that outer ring and internal segment, bamboo wood radial saw have saw kerf, in withstand voltage heating tank, pass into the saturated vapor heating 5-10 minutes of 1.0-1.3MPa, make bamboo wood reach glass transition temperature, namely within the scope of 180 ± 20 DEG C;
2) the quick unstressed leveling of bamboo wood, quick taking-up thick bamboo tube, thick bamboo tube saw kerf spring is faced down, green grass or young crops faces up and send between flattening roller in flattening device and rotor, drive motors drives rotor to rotate by gearbox, and drive bamboo wood to pass through between flattening roller and rotor, the two ends of leveling roll shaft are pressed down it by cylinder, can play good leveling effect to bamboo wood;
3) planing surf green, whole the bamboo clappers taken out from apparatus for leveling, longitudinally sends into the powerful thicknessing machine having larger compression driving force fast, and plane falls one deck surf green;
4) fixed thick planing bamboo spring, instead crosses face, and the fixed thick processing of quick length feed is planed bamboo spring face, thus the whole plate of the bamboo obtaining unstressed leveling;
5) the face-to-face superimposed stacking drying of bamboo spring-bamboo spring or high-pressure drying, by in heaps for two pieces of bamboo leveling leaf spring face be superimposed together stackings relative to spring face, send into hothouse drying or be dried to moisture content 12% by high-pressure drying technique, the whole plate of bamboo of following process can be obtained, stand-by.
2. the unstressed flattening device of tubular bamboo wood with surf green, bamboo spring according to claim 1, it is characterized in that described rotor is corresponding with flattening roller and diameter is identical, the blade that rotor is sharp is cut into a large amount of, equally distributed and have the cutting edge of the degree of depth on bamboo spring face, distance 2-the 4mm of its blade, the degree of depth 3-the 6m of blade, blade is processed into acute angle 20--30
°, bamboo spring face is relaxed, and makes its width equal with bamboo strip width, the tensile stress produced on bamboo spring face when discharging flattening, the state that flattening bamboo chip can be made to keep straight, is called unstressed flattening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072326.5A CN103786198B (en) | 2014-03-03 | 2014-03-03 | With the unstressed flattening device of tubular bamboo wood and the flattening method of surf green, bamboo spring |
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| CN201410072326.5A CN103786198B (en) | 2014-03-03 | 2014-03-03 | With the unstressed flattening device of tubular bamboo wood and the flattening method of surf green, bamboo spring |
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| CN104354203B (en) * | 2014-10-30 | 2016-01-27 | 安吉县孝丰天友竹木机械制造厂 | Bamboo chip processes lifts structure and the equipment thereof of large flattening machine |
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| CN105751334B (en) * | 2016-04-01 | 2018-01-12 | 南京林业大学 | A kind of highly effective continuous fissureless flattening method of bamboo wood |
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| CN110027072B (en) * | 2019-04-10 | 2020-08-21 | 南京林业大学 | Bamboo chip shaping device and method |
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