CN101618564A

CN101618564A - Directional bamboo fiber felt dfibizer

Info

Publication number: CN101618564A
Application number: CN200910089638A
Authority: CN
Inventors: 于文吉; 余养伦; 苏志英; 祝荣先; 周月; 任丁华
Original assignee: Research Institute of Wood Industry of Chinese Academy of Forestry
Current assignee: Research Institute of Wood Industry of Chinese Academy of Forestry
Priority date: 2009-07-27
Filing date: 2009-07-27
Publication date: 2010-01-06

Abstract

The invention relates to a directional bamboo fiber felt dfibizer, in particular to a directional bamboo fiber felt dfibizer suitable for performing a plurality of times of repeated defibering to the inner arc surface and the outer arc surface of a semi-circular bamboo tube to form a directional bamboo fiber felt. The directional bamboo fiber felt dfibizer comprises a base frame, a speed reducer and a plurality of driving rolls, wherein two end axles of each driving roll are respectively pivoted on a horizontal plane of the base frame, and an output part of the speed reducer is connected with one end axle of one of the driving rolls; the directional bamboo fiber felt dfibizer is characterized in that a plurality of parallel defibering rolls are respectively and correspondingly pivoted on the base frame above the driving rolls, clearances are formed between the defibering rolls and the driving rolls, the defibering rolls comprise a plurality of gears and a spline shaft, partitioned defibering teeth are arranged at the periphery of each gear, and the defibering teeth on the adjacent gears are arranged in a staggered manner and fixedly matched on splines of the spline shaft; and therefore, uniform and discontinuous fiber fractures are both untwined on the inner arc surface and the outer arc surface of the semi-circular bamboo tube and the bamboo green and the tabasheer are also removed.

Description

Directional bamboo fiber felt dfibizer

Technical field

The present invention relates to a kind of directional bamboo fiber felt dfibizer, be suitable for the inside and outside arc of semicircle thick bamboo tube surface is carried out that several times are discongested repeatedly and the directional bamboo fiber felt dfibizer that forms directional bamboo fiber felt.

Background technology

At present, the utilization of existing bamboo wood sheet material is earlier bamboo processing to be become thin bamboo strips used for weaving, bamboo chip or bamboo bundle, applying glue then, processes such as assembly, gummed forms again, the elementary cell of bamboo wood sheet materializations such as thin bamboo strips used for weaving, bamboo chip or bamboo bundle all needs to remove surf green and tabasheer, and not only processed complex especially needs a large amount of manual operationss, and the intensity of machining bamboo wood waste greatly, also reduction bamboo material, the waste of glue is also big simultaneously.

Recently, it is raw material at diameter less than the dwarf bamboo of 80mm that Chinese patent 02120518.3 provides a kind of, adopting rivet bucker that the semicircle thick bamboo tube integrally is rolled into does not laterally rupture, vertically loose and staggered continuous bamboo bundle, though improved the utilization rate of bamboo wood, the intensity and the hardness of glued board have been improved, but, owing to adopt the operation of removing surf green specially comparatively complicated, and the table tabasheer is not removed yet in the bamboo wood, the more important thing is: the bamboo bundle that spreading goes out through rivet bucker, its bamboo bundle thickness inequality, different in size, be difficult to reach even distribution, applying glue and moisture content are inevitable also inhomogeneous, and in fact, the intensity of the glued board of compacting and hardness improve limited.

Summary of the invention

The objective of the invention is to improve the defective that existing bamboo wood sheet materialization is utilized the elementary cell process equipment, and provide a kind of directional bamboo fiber felt dfibizer, it is to drag the semicircle thick bamboo tube with the driven roller that periphery has an annular knurl, having the roller of discongesting of discongesting tooth with its inner arc surface or outer arc surface facing to periphery respectively discongests, make its inside and outside surface vertically cut respectively and laterally push and form evenly and the longitudinal fiber crack of being interrupted, and removed bamboo green layer and tabasheer layer.

The object of the present invention is achieved like this:

A kind of directional bamboo fiber felt dfibizer, comprise a pedestal, a decelerator and many driven rollers, every driven roller two end axles is articulated in respectively on the horizontal plane of pedestal, and the output by decelerator connects a wherein end axle of a driven roller, discongest roller for many that on the pedestal above the many driven rollers, are pivoted parallel accordingly respectively, and has the gap with driven roller, this is discongested roller and is made up of a plurality of gears and a splined shaft, this outer peripheral gear has the tooth of discongesting at interval, is staggered on the stacked spline that is engaged in splined shaft admittedly by the tooth of discongesting on the adjacent gear.

A kind of directional bamboo fiber felt dfibizer, comprise a pedestal, a decelerator and many driven rollers, every driven roller two end axles respectively the compartment of terrain be articulated in pedestal on, on following two horizontal planes, every driven roller two end axles flatly is articulated on the pedestal, and the output by decelerator connects a wherein end axle of a driven roller, on many driven rollers, be pivoted with many accordingly respectively on the pedestal of below and discongest roller, and has the gap with driven roller, this is discongested roller and is made up of a plurality of gears and a splined shaft, this outer peripheral gear has the tooth of discongesting at interval, is staggered on the stacked spline that is engaged in splined shaft admittedly by the tooth of discongesting on the adjacent gear.

The described crown shape of discongesting tooth is identical with arc length or inequality.

The described tooth crown of discongesting has blade.

Described height of discongesting tooth is 0.5～0.75 times of semicircle thick bamboo tube bamboo wall thickness.

Beneficial effect of the present invention: not only all discongest out evenly and the fibrillatable crack of being interrupted on semicircle thick bamboo tube inner arc and outer arc surface, surf green, tabasheer also are removed simultaneously, thereby the infiltration gummed area that both directed bamboo fiber felt has increased keeps the longitudinal fiber intensity of bamboo wall again.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 the present invention discongests the cross-sectional end view of roller;

Fig. 3 the present invention discongests and discongests tooth row on the roller and list intention;

Fig. 4 the present invention discongests the gear face schematic diagram of roller;

Fig. 5 is the structure end view of first embodiment of the invention;

Fig. 6 is the structure end view of second embodiment of the invention.

The specific embodiment

First embodiment of the invention is to discongest roller 4 by a pedestal 1, decelerator 2, many driven rollers 3 and many to constitute, shown in Fig. 1～4, wherein:

Pedestal 1 is to support a decelerator 2, the rotating many driven rollers 3 of supporting and Duo Gen to discongest the fixture of roller 4, belongs to prior art;

Decelerator 2 is to comprise a motor and a pair of chain transmission or belt transmission and gear-driven power input device, belongs to prior art;

Driven roller 3 is the rotating shaft rollers that had annular knurl cambered surface 31 by its periphery, and every driven roller 3 two end axles are articulated in respectively on the horizontal plane of pedestal 1, and connect with an end axle of a driven roller 3 wherein by the output (hinge wheel or big belt pulley) of decelerator 2, this driven roller 3 is connected with same horizontal adjacent driven roller 3 with the travelling gear of the identical number of teeth, perhaps every drives rod 3 all with the equal connection reducer 2 of an end axle, polyphone in regular turn makes its axis evenly rotate with same rotational speed at same horizontal plane and each driven roller of being arranged in parallel 3; The diameter of general driven roller 3 is to discongest 1～1.5 times of roller 4 diameters;

Discongesting roller 4 is made up of a plurality of gears 42 and a splined shaft 43, gear 42 peripheries have at interval discongest tooth 41, be staggered stacked and be engaged in admittedly on the spline of splined shaft 43 by the tooth 41 of discongesting on the adjacent gear 42, every splined shaft 43 of discongesting roller 4 is parallel to corresponding driven roller 3 tops respectively, and having certain interval ground (regulating by semicircle thick bamboo tube bamboo wall thickness) with driven roller 4 is articulated on the pedestal 1, this is discongested tooth 41 crowns and has blade, to vertically cutting and the laterally extruding of bamboo wall, the crown shape of discongesting tooth 41 on the adjacent gear 42 and arc length etc. can identical or also can be inequality, can be by heterogeneity, the bamboo wood of hardness and different wall etc. is as suitably adjusting, generally discongest tooth 41 arc length and be the between cog arc length 1.1～3 times, and the height of discongesting tooth 41 is 0.5～0.75 times of semicircle thick bamboo tube bamboo wall thickness, can make bamboo wall cutting and squeeze out suitable crack and the thickness of wall can wholely not be cut off, discongest roller 4 for many and be arranged on corresponding each driven roller 3 top in parallel to each other, as shown in Figure 5, earlier the inner arc (top) of a long semicircle thick bamboo tube will processing is discongested continuously, then it is turned over turnback its outer arc (following) surface is obtained to discongest continuously.

Therefore, present embodiment is the infiltration gummed area that increased of directional bamboo fiber felt not only, also keeps the longitudinal fiber intensity of bamboo wall.

Second embodiment of the invention is to discongest roller 4 by a pedestal 1, decelerator 2, many driven rollers 3 and many to constitute, shown in Fig. 1～4, wherein:

Driven roller 3 is the rotating shaft rollers that had annular knurl cambered surface 31 by its periphery, every driven roller 3 two end axles are articulated on upper and lower two horizontal planes of pedestal 1 compartment of terrain respectively, and the output (hinge wheel or big belt pulley) by decelerator 2 connects a wherein end axle of a driven roller 3, this driven roller 3 is connected with the driven roller 3 of adjacent oblique upper with the travelling gear of the identical number of teeth, contact in regular turn, each driven roller 3 that the two same level faces of its axis at upper and lower interval are arranged in parallel obtains evenly to rotate with same rotational speed; The diameter of general driven roller 3 is to discongest 1～1.5 times of roller 4 diameters;

Discongesting roller 4 is made up of a plurality of gears 42 and a splined shaft 43, gear 42 peripheries have at interval discongest tooth 41, be staggered stacked and be engaged in admittedly on the spline of splined shaft 43 by the tooth 41 of discongesting on the adjacent gear 42, this splined shaft 43 is parallel to driven roller 4 tops and has certain interval ground (regulating by semicircle thick bamboo tube bamboo wall thickness) with this driven roller 4 and is articulated on the pedestal 1, this is discongested tooth 41 crowns and has blade, to vertically cutting and the laterally extruding of bamboo wall, the crown shape of discongesting tooth 41 on the adjacent gear 42 and arc length etc. can identical or also can be inequality, can be by heterogeneity, the bamboo wood of hardness and different wall etc. is as suitably adjusting, generally discongest tooth 41 arc length and be the between cog arc length 1.1～3 times, and the height of discongesting tooth 41 is 0.5～0.75 times of semicircle thick bamboo tube bamboo wall thickness, can make bamboo wall cutting and squeeze out suitable crack and the thickness of wall can wholely not be cut off, discongest roller 4 by last for many, be arranged on alternately on corresponding each driven roller 3 down, the below, as shown in Figure 6, make the inner arc (top) of a long semicircle thick bamboo tube will processing, outer arc (following) surface compartment of terrain successively obtains to discongest, only need one procedure can be to inner arc for a long semicircle thick bamboo tube, outer arc is discongested, it is simple to make directional bamboo fiber felt discongest operation, both saved time, save manpower again, make working (machining) efficiency higher.

Therefore, present embodiment is the infiltration gummed area that increased of directional bamboo fiber felt not only, keeps the longitudinal fiber intensity of bamboo wall again, and it is simple also to make directional bamboo fiber felt discongest operation.

Operation of the present invention and operation principle:

The long semicircle thick bamboo tube of 1.5m-2.0m of internal segment will be dissectd, with its yellow bamboo face towards discongest roller 4 along and the described direction of discongesting roller 4 axis normal send into driven roller 3 and discongest in the gap between the roller 4, when the power input of decelerator 2, the annular knurl cambered surface 31 of driven roller 6 promotes the semicircle thick bamboo tube and enters this gap; Discongesting the yellow bamboo face of 41 pairs of semicircle thick bamboo tubes of tooth discongests, equally the bamboo strip of semicircle thick bamboo tube is discongested towards discongesting roller 4, so the several times that repeat said process are discongested repeatedly, in bamboo wood, the serial longitudinal crack and the thickness of thickness inequality that outer surface and bamboo wall thickness direction form interruption respectively is more even, the vertical constantly bamboo fibre of forming by 1-5 vascular bundle and several elementary organizations netted directional bamboo fiber felt that is interwoven, simultaneously in it, the bamboo green layer of outer surface and tabasheer layer are through discongesting the tooth cutting, under the friction synergy of splitting and extruding and driving rod, being part comes off, crackle, fragment or particle, and destroyed bamboo green layer and tabasheer layer original be difficult to wetting, the performance of gummed finally makes bamboo wood reach full bamboo and utilizes.

Claims

1, a kind of directional bamboo fiber felt dfibizer, comprise a pedestal (1), a decelerator (2) and many driven rollers (3), every driven roller (3) two end axles is articulated in respectively on the horizontal plane of pedestal (1), and the output by decelerator (2) connects a wherein end axle of a driven roller (3), it is characterized in that, discongest roller (4) for many that on the pedestal (1) of many driven rollers (3) top, are pivoted parallel accordingly respectively, and has the gap with driven roller (3), this is discongested roller (4) and is made up of a plurality of gears (42) and a splined shaft (43), this gear (42) periphery have at interval discongest tooth (41), be staggered on the stacked spline that is engaged in splined shaft (43) admittedly by the tooth (41) of discongesting on the adjacent gear (42).

2, a kind of directional bamboo fiber felt dfibizer, comprise a pedestal (1), a decelerator (2) and many driven rollers (3), every driven roller (3) two end axles respectively the compartment of terrain be articulated in pedestal (1) on, on following two horizontal planes, every driven roller (3) two end axles flatly is articulated on the pedestal (1), and the output by decelerator (2) connects a wherein end axle of a driven roller (3), it is characterized in that, on many driven rollers (3), be pivoted with many respectively accordingly on the pedestal (1) of below and discongest roller (4), and has the gap with driven roller (3), this is discongested roller (4) and is made up of a plurality of gears (42) and a splined shaft (43), this gear (42) periphery have at interval discongest tooth (41), be staggered on the stacked spline that is engaged in splined shaft (43) admittedly by the tooth (41) of discongesting on the adjacent gear (42).

3, a kind of directional bamboo fiber felt dfibizer according to claim 1 and 2 is characterized in that, the described crown shape of discongesting tooth (41) is identical with arc length or inequality.

4, a kind of directional bamboo fiber felt dfibizer according to claim 1 and 2 is characterized in that, described tooth (41) crown of discongesting has blade.

5, a kind of directional bamboo fiber felt dfibizer according to claim 1 and 2 is characterized in that, described height of discongesting tooth (41) is 0.5～0.75 times of semicircle thick bamboo tube bamboo wall thickness.