37results about "Plant material mechanical working" patented technology

To provide an area deformation device that uses plants as a driving source.SOLUTION: An area deformation device 1 includes an active layer 11 made of a first type of wood (e.g., beech), and a passive layer 13 made of a second type of wood (e.g., cypress) that has a swelling rate lower than that of the first type of wood, and includes a driving member 10 in which one side 13a of the passive layer 13 is superimposed on one side 11a of the active layer 11, and an action area 21 that extends to at least one of the other side 11b of the active layer and the other side 13b of the passive layer and exerts a specific effect (e.g., a shading effect) on an object (e.g., sunlight) that attempts to pass through the area. The driving member 10 changes the shape of the action area 21 by out-of-plane deformation of the active layer 11 and the passive layer 13 in response to changes in environmental parameters including at least relative humidity.SELECTED DRAWING: Figure 1

The utility model provides a kind of self-induction removes bamboo inner node equipment, it can carry out the inner node and bamboo yellow of whole long bamboo material of semicircular to remove, and will not remove bamboo meat, improves bamboo utilization, operation efficiency is high, and inner node is removed clean without residue.It includes machine body, power roller device, cutting part, telescopic part.Machine body includes disc, fixed hollow cylinder on disc, there are three bearing support holes on disc, and there are three groups of sliding blocks on the back of disc;Cutting part includes tool shaft, cutter head, conical cutter, arc-shaped bending cutter and drill bit;Telescopic part includes three fan-shaped telescopic blocks, three star gears, inner gear ring and inner gear ring pushing device;Inner gear ring pushing device pushes inner gear ring to rotate around axis, star gear rotates, rack and telescopic block are moved along radial direction, so that the outer edge of tray is in contact with the bamboo yellow surface of bamboo;The cutter body of bending cutter is in sliding contact with the outer wall of tray edge under the action of centrifugal force, and the cutting edge cuts bamboo inner node and bamboo yellow.

The present invention relates to a new process for manufacturing cylindrical cork bodies and the final product resulting from this new process for manufacturing closures for beverages (e.g., carbonated wines, still wines, beers, etc.) or washers which are used in multi-piece cork stoppers and which is based on the lamination of a sheet of natural cork after it has been cooked and flattened (1), with strips of a thickness of between 0.06 mm and 2 mm (2), the individual cleaning of each strip (3), the gluing of the thin strips with specific food-grade glues used in the cork sector, which after being selected (4), are glued in such a way that the natural irregularities of the cork are offset, making it possible to compose a homogeneous cork parallelepiped (5).Next, the parallelepiped composed of microlayers of cork is sliced ​​and tubed according to the traditional manufacturing process for natural corks or washers. The tubing in the production process can be carried out parallel to the direction of the laminated sheets (6), perpendicularly (7), or obliquely (8). The corks and washers produced by this new manufacturing process exhibit all the physical and visual characteristics of natural cork.

The present invention relates to a device for processing coconut coir flower baskets, comprising a forming mechanism, a curling mechanism, an expanding mechanism, a mold, a rotating disc, a central shaft, a motor, a positioning cylinder, a top plate, a bottom plate and a support plate; the top plate is arranged above the bottom plate through the support plate, the central shaft is vertically arranged between the top plate and the bottom plate, the central shaft is movably connected to the top plate and the bottom plate respectively, the rotating disc is arranged on the central shaft, the motor is arranged on the bottom plate, the motor is connected to the rotating disc and provides rotational power for it, the positioning cylinder is arranged below the rotating disc, the mold is arranged on the rotating disc, and the forming mechanism, the curling mechanism and the expanding mechanism are all arranged on the top plate. The device for processing coconut coir flower baskets of the present invention greatly reduces the labor intensity of workers, has high production efficiency, and effectively guarantees the quality of products.

The invention relates to a steam color protection method for mooned bamboos and the mooned bamboos prepared by using the method. Specifically, the invention discloses a method for preparing wiped bamboo by adopting a steam color protection method, and the method has the characteristic of environmental friendliness. The invention further discloses the troweling bamboo prepared by using the method, and the obtained troweling bamboo is more emerald green in color, has remarkably excellent thermal stability and is particularly suitable for being added into food needing to be baked.

The invention relates to the technical field of cutting devices, in particular to an automatic slicing device for polygonatum odoratum processing, which comprises a processing bin, a blanking bin is fixedly mounted on the bottom side of the processing bin, supporting legs are fixedly mounted on two sides of the blanking bin, and a sliding groove penetrating through the processing bin is formed in the side surface of the processing bin; a sliding first sliding block is arranged on the side face of the sliding groove, a discharging groove is formed in the upper side of the first sliding block, and a swinging cutter extending to the upper surface of the first sliding block is arranged in the discharging groove. Inlet hot air flow of about 40 DEG C can be fully diffused and blown out through the permeation groove, the mild hot air directly acts on the cutting edge part to slightly heat the cutting edge part, and due to the temperature, mucus at a notch of polygonatum odoratum can be solidified at the moment of being in contact with a hot blade instead of being dissolved and seeped out, so that adhesion of the mucus to the blade is reduced, and the cutting edge part of the polygonatum odoratum is prevented from being damaged. The key anti-sticking effect is achieved, the shutdown cleaning frequency caused by knife sticking is reduced, and the continuous operation efficiency is improved.

Birch bark product obtained after a layering process comprising the steps: (a) providing a birch cane bark, preferably as flat-pressed birch cane bark; b) optional pre-sorting and / or pre-formatting of said birch bark; c) brushing off the predominantly white side of the birch bark; d) formatting the birch bark obtained after step c) to a uniform width and / or length, preferably in the range of 30 to 70 cm, more preferably in the range of 40 to 60 cm width, even more preferably to a width of 50 cm, in order to obtain one or more bark panels; e) optionally sorting the bark panels after step d) to obtain a randomised or a specifically selected slice pattern according to bark quality, bark thickness, colour and / or pattern; f) aligning and cutting the bark panels according to step d) or e) to obtain uniform layers of bark panels, preferably with a length of 140 to 160 cm and a width of 40 to 60 cm, more preferably with a length of 150 cm and a width of 50 cm; g) coating each layer of bark board according to step f) with an epoxy resin, preferably an epoxy resin with an open time of about 1 to 3 hours, preferably about 2 hours, preferably such a one-sided coating of each layer of bark board according to step f); h) followed by curing the bark panels according to step g) so that the Shore hardness of the epoxy resin is approximately equal to the Shore hardness of the bark panels, preferably both Shore hardnesses are in the range of 55 to 65 A, more preferably about 60 A, even more preferably 60 A; i) transferring the coated bark panels after steps g) and h) into a device for gluing and pressing layer by layer, preferably about 10 to 15 layers per gluing and pressing step, and wherein the device comprises a wood-based material board, preferably comprising a knot-free solid wood or a medium-density fiberboard (MDF); j) followed by pressing the bark panel layers according to step i) with a pressing pressure in the range of 270 to 290 bar, preferably 275 to 285 bar, more preferably about 280 bar, even more preferably 280 bar, calculated on an area of ​​150 cm length and 50 cm width; k) curing the pressed bark panels after step j) for at least 18 hours, preferably at least 24 hours, more preferably at least 48 hours, followed by opening the bonding and pressing device for a further build-up of layers of the pressed bark panels; I) Repeating steps a) to k) until a minimum number of 100 glued and pressed bark panels is obtained, preferably at least 120 glued and pressed bark panels, more preferably at least 140 glued and pressed bark panels, in order to obtain a bark block.

The utility model discloses cutting equipment with a flat cutting opening for straw mat processing, and belongs to the technical field of straw mat processing. A sliding base located below a cutting cavity is arranged at the bottom of an operation table, a fixing pile is arranged on the sliding base in a sliding mode, and a fixing cavity is formed in the top of the fixing pile; a sliding plate is slidably arranged on the operation table, a swing seat and a lifting seat are fixedly arranged on the sliding plate, the swing seat is located on the side away from the cutting cavity, and the lifting seat is located in the middle of the sliding plate; a meshing frame is movably arranged on the side face of the swing base, and a triangular frame is movably arranged in the meshing frame. The meshing frame is composed of a swing arm and a meshing part. According to the straw mat cutting device, when the fixing pile slides to the rightmost side of the sliding base, the cutting blade can cut the left side of straw mat raw materials, when the fixing pile slides to the leftmost side of the sliding base, the cutting blade can cut the right side of the straw mat raw materials, and through the design, the automation level and the machining efficiency of the cutting device are improved.

The utility model belongs to the field of polygonatum odoratum processing, and discloses polygonatum odoratum processing root hair removing equipment which comprises a rack device used for supporting and providing rotating power and further comprises a roller device installed on the rack device and used for continuously rotating, rubbing and removing polygonatum odoratum root hair, and a rotating brush device used for rotating to increase friction is arranged in the roller device. The roller device comprises a roller body, the roller body is in a cylinder shape with the two ends communicated, a driven gear ring is arranged on the periphery of the roller body, two limiting rings are symmetrically arranged on the two sides of the driven gear ring, the roller body is divided into three areas through the driven gear ring and the limiting rings, and a first screen, a second screen and a third screen are installed in the three areas respectively. And the first screen, the second screen and the third screen are uniformly distributed along the circumference of the roller body respectively. According to the root hair removing equipment for polygonatum odoratum processing, instant separation of polygonatum odoratum and root hair is achieved through the third screen, and the follow-up sorting procedure is reduced; root hairs are automatically separated and collected through the screen, follow-up utilization is facilitated, and raw material waste is reduced.

The utility model relates to the technical field of tetrapanax papyriferus processing equipment, in particular to a modularized automatic coring device for tetrapanax papyriferus, which comprises a feeding mechanism, a section cutting mechanism, a feeding mechanism and a coring mechanism. The tetrapanax papyriferus stem cutting machine is reasonable and compact in structure, the feeding mechanism can automatically arrange tetrapanax papyriferus stems in order and continuously convey the whole tetrapanax papyriferus stems to the belt conveyor one by one, the shape righting mechanism can straighten bent tetrapanax papyriferus, the section cutting mechanism can automatically cut the whole tetrapanax papyriferus stems into a plurality of sections according to the set length, and the cutting efficiency is improved. The cut tetrapanax papyriferus stem sections can enter the feeding mechanism along the guide plate and are conveyed to the clamping assembly to be clamped, and finally tetrapanax papyriferus cores are jacked out of the tetrapanax papyriferus stem sections through the core taking mechanism. In the process, manual cutting is not needed, the degree of dependence on manpower can be greatly reduced, potential safety hazards are avoided, the ricepaperplant pith coring operation efficiency is high, the labor intensity of operators is reduced, all procedures can be automatically linked, and ricepaperplant pith coring operation can be continuously carried out.

A balsa wood repair method, comprising: providing a hole (4) in a damaged portion (2); using an upper repair plug (5) and a lower repair plug (6); injecting an adhesive (7) into an accommodating recess (601) of the lower repair plug, and then plugging the repair plugs in the hole, so as to make the adhesive be evenly distributed and fill a gap; and after the glue solidifies, sawing off redundant parts of the repair plugs and performing sanding, so as to complete the repair of balsa wood. The repair method eliminates an adhesive application step, thereby simplifying a repair process, improving the distribution uniformity and utilization rate of the adhesive, preventing the adhesive from contaminating the outer surface of the balsa wood, and enhancing the stability and durability of repairs.

The utility model discloses a multifunctional awl which comprises a handle, and a through hole is formed in the outer wall of the handle. According to the multifunctional awl provided by the utility model, the pointed awl is arranged on the chuck seat at the end part of the handle, and a thread can penetrate into the handle from the through hole and then penetrates out of the pointed awl, so that the device can be used for weaving golden cicada egg branches, and meanwhile, the device can also be used for weaving scenes such as straw mats or sunshade nets which are easy to penetrate out; the pointed cone can be installed on the chuck base with the center shaft collinear with the through hole, the pointed cone penetrates through a cotton quilt of the greenhouse, then an iron wire can penetrate through the through hole and penetrate out of the pointed cone, the iron wire is guided to penetrate through the cotton quilt, the cotton quilt can be conveniently fixed through the iron wire, the pointed cone is installed on the chuck base collinear with the center shaft of the through hole, and therefore the cotton quilt can be conveniently fixed through the iron wire. An operator can conveniently push the pointed cone to perform puncture operation by means of the handle, the whole structure of the device is simple, the assembly mode of the pointed cone can be adjusted according to different use scenes, and the practicability of the device is improved.

The utility model discloses a broom seedling deseeding and peeling machine, relates to the technical field of peeling machines, and aims to solve the problems of high labor cost and low working efficiency due to the fact that broom seedlings need to be manually put into a deseeding device for deseeding and then the broom seedlings after deseeding are put into a peeling device for peeling in broom seedling processing in the market at present. A peeling device is arranged on one side of the deseeding device, a first clamping and conveying mechanism is arranged on the front side of the deseeding device, a second clamping and conveying mechanism is arranged on the rear side of the peeling device, and a feeding frame is installed on the side, away from the peeling device, of the stem cutting mechanism; a material collecting frame is installed on the side, away from the deseeding device, of the second clamping and conveying mechanism, a deseeding device roller is installed in the deseeding device, and a peeling device roller is installed in the peeling device.

Provided is a willow wood product bending assisting device, comprising: a box body (1), a cover body (3) being mounted at the upper end of the box body (1); a movable placement mechanism, the movable placement mechanism comprising a through slot (11) horizontally passing through the box body (1), three placement troughs (5) being provided to pass through the through slot (11), the inner bottom of each placement trough (5) being provided with a plurality of steaming holes (6), a threaded block (14) being fixedly connected to the lower end of the right side of a rectangular plate (4), a motor (12) being mounted on the right side of the box body (1), a threaded rod (13) being fixedly connected to an output shaft of the motor (12), and the threaded rod (13) passing through the threaded block (14) and being in threaded connection with the threaded block (14); and a guide mechanism, the guide mechanism being used for ensuring the stability of movement of the rectangular plate (4). In actual use, the assisting device uses a side-loading / unloading manner, thus preventing steam from injuring people to enhance actual safety, and reducing dissipation of temperature from the device.

The invention relates to a corn straw pretreatment method with synergy of composite fungi and stepped temperature control, and belongs to the technical field of agricultural waste resource utilization. In order to solve the problems of unbalanced enzyme activity, strain competition and high inoculation cost during corn straw pretreatment by using composite fungi, the invention provides a corn straw pretreatment method based on composite fungi synergistic stepped temperature control, which comprises the following steps of: crushing and sieving corn straws, and adding a fermentation culture medium to adjust the moisture content to obtain corn straw fermentation liquor; the method comprises the following steps: inoculating a composite fungal spore solution into a corn straw fermentation solution, and culturing for 15 days by adopting step temperature control to finish pretreatment; the enzymatic activities of different fungi are accurately activated through staged temperature control, the degradation efficiency of the corn straw is improved through the synergistic effect, and the cellulose degradation rate is improved by 21.8% compared with that of constant-temperature culture; and the lignin degradation rate is improved by 36.0%. The stepped temperature control ensures that each enzyme works at the optimal temperature, the catalytic efficiency is maximized, the enzymolysis rate is improved, the pretreatment time is shortened, and the treatment cost is reduced.

The invention relates to a method for utilising rattan veneer sheets, comprising the following process steps: a) providing a plurality of veneer sheets (3) produced in a previous process, b) connecting the plurality of veneer sheets (3) to form a base body (1) having a longitudinal direction (L) and a transverse direction (Q) to produce a composite structure, c) Cutting the base body (1), whereby a new veneer sheet (5) is obtained. The invention further relates to a shaped component and a use for such a veneer sheet.

The utility model belongs to the technical field of crop processing, and particularly relates to cotton stalk skin-core separation equipment which comprises a mounting frame, a power device, an extrusion device, a feeding assembly and a discharging assembly, the power device is arranged at the bottom of the mounting frame, the extrusion device is arranged at the top of the mounting frame and rotationally connected with the power device, and the feeding assembly is arranged on the top of the mounting frame. The feeding assembly and the discharging assembly are arranged at the two ends, in the width direction, of the extruding device respectively, the power device comprises a first motor and a second motor, and the extruding device comprises a first pressing roller set, a second pressing roller set and a third pressing roller set. According to the cotton stalk skin-core separation equipment, power provided by the first motor and the second motor drives the compression roller sets in the extrusion device to rotate, and skin-core separation of cotton stalks is achieved after the cotton stalks are extruded by the first compression roller set, the second compression roller set and the third compression roller set. The cotton stalk skin-core separation device can remarkably improve the cotton stalk skin-core separation speed.

The method for producing mycelium fiberboard of the present invention uses low-cost and fast-growing mycelium as raw material, which replaces wood chips, and the production process is simple and easy to accelerate. The obtained mycelium fiberboard shows excellent performance in various indicators and is environmentally friendly. [Solution] This is a method for producing a type 1 mycelium fiberboard. First, 1-2-year-old mycelium with a humidity of 50-70% is cut into 2-3cm lengths to obtain cut mycelium. The cut mycelium is steamed with high-pressure steam to obtain soft steamed mycelium. The steamed mycelium is mechanically fiberized and adhesive is added to obtain adhesive-coated mycelium fiber. The adhesive-coated mycelium fiber is dried at 120-160℃ to obtain dried mycelium fiber. The dried mycelium fiber is laid, leveled, and pre-pressed to obtain the mycelium fiberboard base material. The mycelium fiberboard base material is then hot-pressed to form the final mycelium fiberboard.

The present application relates to a combined device, method and application for pretreatment of straw raw materials, including a leaf sheath removing device and a straw surface rolling device. The leaf sheath removing device includes a first frame, a cavity is formed in the first frame, a U-shaped flexible treatment bag is arranged in the cavity, a feed inlet is formed above the flexible treatment bag, and a cam assembly for driving the movement of the flexible treatment bag and the straw therein is arranged below; a chain knife cutting mechanism is arranged above the first frame; the straw surface rolling device includes a second frame, and a feeding roller group, a fracturing roller group, a hair pulling roller group and a densifying roller group are sequentially arranged side by side in parallel on the second frame. The cam assembly drives the movement of the flexible treatment bag, and the chain knife cutting mechanism cuts the leaf sheaths on the straw surface, realizing the removal of the leaves and leaf sheaths of the straw; the straw surface rolling device realizes the hair pulling, grinding and rolling treatment of the straw by designing four groups of roller structures.

The invention relates to straw wall breaking stem and leaf separation equipment, and relates to the field of straw treatment, the straw wall breaking stem and leaf separation equipment comprises a feeding bin, the upper end of the feeding bin is provided with an opening; the two ends, in the length direction, of the separation conveying bin are open, and the separation conveying bin communicates with one side of the feeding bin; the feeding rollers are arranged in the direction close to the separating and conveying bin and used for conveying straw into the separating and conveying bin; the conveying rollers are arranged in the length direction of the separating and conveying bin and used for conveying the straw to the discharging end; the tearing wall breaking machine is located on one side of the separating and conveying bin and used for breaking the stalks. Straw enters the feeding bin after being unbundled and is conveyed to the conveying rollers in the separating and conveying bin by the feeding rollers, stems and leaves of the straw can stretch into the positions between the adjacent conveying rollers, due to the fact that the friction force of grains on the surfaces of the conveying rollers to the straw is large, the stems and leaves are pulled down by the conveying rollers, the stems and leaves fall below the separating and conveying bin, and the stems enter the tearing and wall breaking machine to be broken; and the machining efficiency is high.

The present application provides a bamboo internal node removal and flattening and shaping production line, which can perform continuous operations of internal node removal, flattening and shaping on whole bamboo with semicircular shape, and can remove the internal node completely without residue, flatten the bamboo piece without cracking and notch, and obtain dry and flat and shaped bamboo piece. The bamboo internal node removal and flattening and shaping production line comprises a self-induction bamboo internal node removal device, a guide device, a flattening device and a microwave drying and shaping device. The self-induction bamboo internal node removal device comprises a machine body, a cutting part and an extension part. The inner gear ring pushing device in the extension part pushes the inner gear ring to rotate around the axis, the star gear rotates, the rack and the extension block move in the radial direction, so that the outer edge of the tray is in contact with the bamboo yellow surface of the bamboo; the cutter body of the bending cutter is in sliding contact with the inner wall of the outer edge of the tray under the action of centrifugal force, and the cutting edge cuts the internal node and the bamboo yellow of the bamboo. The flattening device comprises a workbench, a radial pressing device and a tangential pressing device; the tangential pressing is performed on the thickness surface of the bamboo during the flattening process to prevent longitudinal cracking of the bamboo.

The utility model discloses an environment-friendly foam concrete anti-cracking member based on bamboo wood, which belongs to the technical field of building structural members and comprises a bamboo fiber foam concrete inner core, variable-diameter perforated bamboo tubes are arranged in the bamboo fiber foam concrete inner core at intervals, #-shaped pore passages are formed in the outer surface of the bamboo fiber foam concrete inner core, and the diameter of the #-shaped pore passages is larger than that of the bamboo fiber foam concrete inner core. A bamboo cane weaving connecting layer is arranged on the #-shaped hole channel, the #-shaped hole channel is matched with the bamboo cane weaving connecting layer, and the outer surface of the bamboo fiber foam concrete inner core and the outer surface of the bamboo cane weaving connecting layer are both coated with high-toughness cement-based spraying layers in a spraying mode. The environment-friendly foam concrete anti-cracking component based on the bamboo wood has the advantages of being environmentally friendly, light, high in anti-cracking capacity and good in durability, and is easy to popularize and apply.

The invention discloses a continuous production device and method for rough planed bamboo canes. The method comprises the following steps of automatic feeding of bamboo tubes, bamboo breaking and rotary positioning discharging; performing fixed-width rough planing on the bamboo strips; the bamboo strips are discharged and cached after being fixed in width; planing into strips for temporary feeding and discharging; planing the bamboo strips into strips; the bamboo canes are precisely and roughly planed; bamboo strip thickness detection; and sorting the thickness of the bamboo canes. The device comprises a feeding mechanism, a bamboo breaking mechanism, a rotary bamboo cage, a fixed-width rough planing machine, a planing strip forming machine, a precise rough planing machine, a buffering and feeding and discharging mechanism, a thickness detecting mechanism and a thickness sorting mechanism. Automatic feeding and bamboo breaking of bamboo tubes and continuous and automatic preparation of rough planed bamboo canes are achieved, the production efficiency and the automation level are greatly improved, and the labor intensity is relieved.

The utility model discloses a kind of through grass core drilling machine die head, including disc, the disc is arranged with multiple push rods of different diameters in annular array distribution, the center of the disc is provided with threaded hole. The through grass core drilling machine die head provided by the utility model, by setting multiple diameter sizes of push rod on disc, so that the through grass core drilling machine can adapt to the core drilling operation of different specifications through grass without frequently replacing components, improve efficiency and reduce the rate of core breakage. Reduce the link of manual operation, reduce the labor intensity of operator, make through grass processing more relaxed and convenient.

A manufacturing method of a floor board for a truck bed using bamboo as a raw material, including processes such as bamboo splitting, extension, adhesive application, assembly of semi-finished bamboo boards, and molding. In the rolling process, by spreading and roughing, the green and yellow parts and bamboo joints on the surface of the bamboo are removed, and no further setting of width and thickness is required in the finishing process, and the bamboo slices and rough split bamboo strips can be directly used in the manufacturing. It maximally utilizes bamboo resources and ensures the strength of the floor board. Also, a floor board for a truck bed is disclosed.

The invention discloses a mulberry branch peeling device which comprises a base, at least two bending rollers matched with each other are rotationally connected to the base, the bending rollers are in linkage with a driving device, protruding parts are arranged on the roller surfaces of the bending rollers, and the protruding parts on the different bending rollers are arranged in a front-back staggered mode along the conveying path of mulberry branches. According to the mulberry branch peeling method, in the length direction of a mulberry branch, the mulberry branch is alternately rubbed from the outer side in at least two directions and bent, so that the outer skin of the mulberry branch is separated from an inner-layer core rod. According to the mulberry branch peeling device and peeling method provided by the invention, the separation efficiency of the outer skin and the inner-layer core rod of the mulberry branch is greatly improved.

The present invention relates to the field of medicinal material processing equipment, and in particular to a Chinese medicinal material processing device with a cleaning function. The technical problem is that the bark of Eucommia ulmoides needs to be uniformly pressed and flattened before being polished, and then polished. This method takes a lot of time, and the flattening effect is not ideal. The technical solution is: a Chinese medicinal material processing device with a cleaning function, including a base frame, a second connecting plate, a slider, a first telescopic rod, a first motor and a support rod; the rear part of the base frame is fixedly connected to the second connecting plate; the second connecting plate is provided with a slide groove, and the slider is slidably connected in the slide groove; the slider is fixedly connected to the first telescopic rod; the telescopic part of the first telescopic rod is fixedly connected to the first motor; the rotating part of the first motor is fixedly connected to the support rod. In the present invention, when the grinding roller rotates, the spiral groove moves the debris ground by the grinding roller to the rear, and accelerates the movement of the debris through the air duct.

The present application relates to the technical field of bamboo products, and discloses a bamboo board and a preparation method thereof, which comprises at least a plurality of single board strips transversely spliced along the width direction, the density of the bamboo board is 0.7-1.2 g / cm 3 , the density deviation of each part of the single bamboo board is less than 9%, the average density deviation between the bamboo boards in the same batch is less than 5%, the equilibrium moisture content of the bamboo board is less than 9% under the condition of 20 DEG C / 65% RH, the single board strip comprises two bamboo wall sections and bamboo joints connecting the two bamboo wall sections, and the bamboo wall section comprises bamboo green, bamboo pulp and bamboo yellow. The bamboo board prepared by the present application has the advantages of good dimensional stability, excellent mechanical properties and the like, and can be widely applied to furniture, floor, door and bamboo structure building.