438 results about "Wood cutting" patented technology

The invention relates to the technical field of wood cutting equipment, in particular to wood cutting equipment for recombined wood processing, which comprises a rack, a three-axis moving platform is mounted at the top of the rack, an electric rotating rod is arranged on the three-axis moving platform, and a circular electric saw is mounted on the electric rotating rod. A plurality of sets of mounting plates are evenly connected to the machine frame at intervals from front to back, the number of each set of mounting plates is two, each mounting plate is provided with a rod frame capable of ascending and descending, the top of each rod frame is connected with a supporting plate used for supporting a wood board, and a left pressing tool and a right pressing tool are hinged between the two mounting plates in each set. By arranging the multiple sets of rod frames, the supporting plates and the pressing tools, sufficient supporting and fixing can be provided for a wood board, the pressing blocks can synchronously move front and back along with the circular electric saw, the pressing blocks move to push the rod frames to move downwards one by one so as to drive the supporting plates to move downwards to avoid the circular electric saw, and the rod frames move downwards to pull the pressing tools to swing through the connecting plates to be separated from the wood board so as to avoid the circular electric saw; and the stability and the accuracy in the cutting process are ensured.

The invention provides a binary wood volume equation forest measurement method based on a ground-based laser radar. The method comprises the following steps: acquiring complete point cloud information scanned by the ground-based laser radar; processing the point cloud data to obtain tree structure parameters; fitting a plurality of cutting degree equation models through tree structure parameters to obtain a single-tree optimal cutting degree equation model; and a single-wood cutting degree-binary wood volume equation is constructed based on the single-wood optimal cutting degree equation, and the single-wood volume is calculated. According to the method, the traditional under-forest data acquisition work can be simplified, the tree species cutting degree equation can be updated for the sample plot forest more timely and accurately, the permanent damage to the tree caused by ground survey can be reduced, effective technical support is provided for the survey of the stand volume of a man-made forest and the estimation of the forest stand outturn percentage, and the method is suitable for popularization and application. Compared with a traditional method for estimating the volume and the stock of the single wood through a wood stock table, the method is higher in precision and better in flexibility, can be better used in the production practice process, and greatly saves manpower, material resources and financial resources.

The present invention relates to the technical field of cutting equipment, and particularly to an agricultural wood cutting device and its working method, including a frame, a first conveyor belt for conveying wood, a plurality of first saw blades located above the first conveyor belt for cutting wood, a first motor for driving the first saw blades to rotate, a lifting adjustment unit, a second conveyor belt provided on the other side of the top of the frame, a cutting mechanism provided between the first conveyor belt and the second conveyor belt, a dust suction hood for surrounding the first saw blades and the cutting mechanism, and a guiding mechanism provided on the left side of the dust suction hood for rolling and pressing the wood. During the downward movement of the second saw blade, the length of the wood conveyed by the chain conveyor will be cut and segmented, and at the same time, the second saw blade has the same moving speed as the chain conveyor. During the cutting process, the transverse and longitudinal cutting of the wood can be completed at one time, solving the problem that the existing cutting device needs to cut the thickness of the wood and then cut the length of the wood, resulting in a long cutting time of the cutting device.

The utility model provides a timber processing sawing machine which comprises a sawing machine frame (1), a sawing machine conveying mechanism (2), a sawing machine sliding rail (3), a sawing machine gantry (4), a side sawing mechanism (5), a sizing sawing mechanism (6) and a pressing plate assembly (7). The sawing machine conveying mechanism (2) is arranged on the sawing machine rack (1) and used for conveying wood to be machined. The sawing machine sliding rail (3) is arranged at the top of the sawing machine rack (1); the sawing machine gantry (4) is erected at the top of the sawing machine rack (1), is slidably mounted on the sawing machine sliding rails (3) and can slide along the sawing machine sliding rails (3); the side saw mechanism (5), the sizing saw mechanism (6) and the pressing plate assembly (7) are all installed on the sawing machine gantry (4). The wood cutting machine can automatically perform edge saw cutting processing and fixed-length saw cutting processing on wood, is high in processing efficiency, and saves time and labor.

The invention discloses a wood-based composite phase-change material and a preparation method thereof, and belongs to the technical field of phase-change materials.The preparation method of the wood-based composite phase-change material comprises the following steps that wood is cut and then added into delignification liquid to be heated, the wood is taken out and washed with water, and delignified wood is obtained; the delignification wood is added into the modification liquid to be heated, and after being taken out, the delignification wood is washed and dried to obtain pretreated wood; mixing polyethylene glycol, citric acid and boric acid, heating and stirring to obtain a phase change material; dipping the pretreated wood into the phase change material for vacuum dipping, taking out and drying to obtain the phase change material. The modified liquid is prepared from an ethanol water solution, a modified filler, 2-(3, 4-cyclohexene oxide) ethyltrimethoxysilane and triethylamine. The delignification liquid and the modification liquid are adopted for pretreating the wood, so that the wood can be better firmly combined with the phase change material, leakage is prevented, and the finally prepared wood-based composite phase change material has excellent heat management capacity and stability.

The utility model discloses a wood cutting and polishing integrated device which comprises a workbench, and supporting legs are fixedly installed at the bottom of the workbench. The cutting and polishing mechanism comprises a mounting frame fixedly mounted at the top of the workbench, and a cutting part, a polishing part, a first adjusting part for driving the cutting part and the polishing part to linearly move left and right, a second adjusting part for moving front and back and a third adjusting part for linearly lifting are mounted on the mounting frame; the locking mechanism comprises two oppositely-arranged clamping frames installed on the top of the workbench, handle bolts are installed on the tops of the clamping frames in a threaded mode, one ends of the handle bolts extend into the clamping frames and are rotationally connected with pressing plates, and fourth adjusting pieces used for driving the two oppositely-arranged clamping frames to synchronously move inwards and outwards in a linear mode are installed on the workbench. According to the wood cutting and polishing device, the cutting and polishing mechanism and the locking mechanism are used in cooperation, cutting and polishing integrated operation can be conducted on wood, input of manpower and material resources is reduced, and the practicability of the device is improved.

The utility model belongs to the technical field of wood processing, and particularly discloses an elastic pre-pressing type knife seam adjusting mechanism and a wood cutting device thereof, the elastic pre-pressing type knife seam adjusting mechanism comprises a knife body base and a double-row roller seat, a single-row roller seat used for adjusting the size of a cutter gap is rotationally connected to the cutter body seat, and a pressing roller in clearance fit with the rotary cutter is installed on the single-row roller seat. The double-row roller seat is provided with double-row rollers used for rotationally feeding wood, the double-row roller seat or the cutter body seat is slidably connected to the base, one end of the driving telescopic rod is connected to the double-row roller seat, the other end of the driving telescopic rod is hinged to the auxiliary rod, and the other end of the auxiliary rod is rotationally connected to the cutter body seat. In the cutting process, the distance between the double-row roller seat and the cutter body seat is shortened, the telescopic rod is driven for elastic pre-tightening, non-linear changing pre-tightening force can be provided for wood, cutter seams are reduced, impact can be resisted, the cutting time is shortened, and the cutting efficiency is improved.

The angle adjusting structure of the cutting saw comprises an installation frame, a rotating shaft, a connecting rod and an electric saw, the side wall of the rotating shaft is fixedly connected with a containing plate, the two side walls of the installation frame are each provided with a limiting mechanism used for limiting the position of the containing plate, and each limiting mechanism comprises a plurality of abutting screws arranged on the side wall of the installation frame. The abutting screw rod is movably provided with a friction block, the lower end of the placing plate is fixedly connected with two arc-shaped plates, the upper end of the placing plate is rotatably connected with a rotating disc, and the placing plate is provided with a second dial. According to the wood cutting device, the limiting mechanism is arranged, wood can transversely rotate in the mounting frame and can also longitudinally rotate in the mounting frame, the wood can be adjusted to be large, the angle of the electric saw does not need to be adjusted, the situation that the wood cutting quality becomes poor due to vibration caused by the fact that the inclination angle of the electric saw is large is avoided, and therefore the practicability of the device is improved.

The invention discloses a wood cutting control method based on artificial intelligence, and belongs to the technical field of wood cutting control. The method comprises the following steps: acquiring a high-resolution surface image, X-ray tomography data and sound wave propagation characteristic data of wood to be cut; performing distributed feature extraction on the multi-dimensional detection data through an edge computing node cluster to generate a primary feature set; inputting the primary feature set into a federated learning framework for cross-node feature fusion, and generating global feature representation; based on global feature representation, a multi-objective optimization cutting scheme including a cutting path, a cutting depth, a feeding speed and a spindle rotating speed is generated through a hierarchical decision model; and the scheme is dynamically verified and adjusted, a final cutting control instruction is generated, and the instruction correspondingly controls a main shaft driving part, a feeding transmission part and a saw blade posture adjusting part of the wood cutting saw.

The invention provides multi-wavelength laser composite wood layered cutting equipment which comprises a base, a placing plate, a transmission assembly, a cutting mechanism and a clamping mechanism, the placing plate is arranged on the base, a rotating roller of the placing plate is used for bearing wood, a push plate is driven by a second electric telescopic rod to push the wood, and the cutting mechanism is used for cutting the wood. The cutting mechanism is composed of an electric telescopic rod, a guide rail sliding block, a multi-wavelength laser module and the like, three-dimensional space positioning and multi-wavelength switching can be achieved, the clamping mechanism is matched with wood of different specifications through a two-way adjustable L-shaped clamping plate, and through cooperative work of a mechanical positioning system and multi-wavelength laser, the equipment can achieve multi-wavelength cutting according to the material and thickness of the wood. Laser with different wavelengths such as ultraviolet light, green light and infrared light is automatically switched for layered cutting, the problems that traditional cutting is low in precision, serious in carbonization, insufficient in efficiency and the like are solved, high-precision, high-efficiency and low-energy-consumption wood processing is achieved, and the device can be widely applied to furniture manufacturing.

The utility model relates to the technical field of wood processing, in particular to an auxiliary dust removal device of wood cutting equipment, which comprises a machine tool, a water tank is arranged above the machine tool, a water leakage tank is arranged at the top of the water tank, the bottom of the water leakage tank is fixedly connected with the machine tool through a plurality of balance rods, and a cutting plate is arranged at the top of the water leakage tank. A plurality of water leakage holes are formed in the cutting plate, a cutting shaft is arranged in the water leakage box, a cutting knife is fixed to the middle of the cutting shaft, positioning rods are further arranged on the top of the machine tool, moving blocks are arranged in the two positioning rods, and a water conveying pipe is fixed to the bottom of each moving block through two water conveying pipe positioning plates. A plurality of nozzles are fixed at the bottom of the water conveying pipe; the mover drives the moving shaft to rotate to drive the moving block to move left and right, so that the nozzle can be driven to move left and right, reciprocating dust removal is achieved, the dust removal effect is guaranteed, and the safety of workers is guaranteed.

The utility model belongs to the technical field of wood processing, and particularly relates to a wood processing feeding device which comprises a base, a plurality of stand columns are fixedly connected to the top end of the base, a plurality of bearing plates are arranged on one sides of the stand columns, driving seats are connected between every two opposite stand columns in a sliding mode, and clamping parts are arranged on one sides of the driving seats. Guide seats are fixedly connected to the top ends of the two opposite stand columns, a sliding seat is slidably connected between the two guide seats, and a driving plate is fixedly connected to the bottom end of the sliding seat; through cooperation of the clamping parts and the driving plate, a wood plate can be lifted upwards to be aligned with the feeding end of the cutting equipment, a worker controls the driving plate to slide so that the wood plate can be pushed to the feeding end for cutting operation, the two clamping parts can jointly support the two sides of the wood plate, the wood plate can be prevented from deflecting, and the cutting efficiency is improved. And the operation procedures of manual carrying and supporting are omitted, the labor intensity of workers is reduced, and the wood cutting machining efficiency can be improved.

The utility model discloses a fixed-length cutting device for wood processing, which belongs to the technical field of wood cutting and comprises a machine base box, cutting equipment is arranged on the inner side of the machine base box, first through grooves are formed in the left sides of the front face and the back face of the machine base box, and a baffle frame is attached to the top of the machine base box. The lower end of the baffle frame penetrates through the first through groove and extends to an inner cavity of the machine base box, the inner cavity of the machine base box is rotationally connected with a threaded rod through a bearing, and the threaded rod penetrates through the baffle frame in a threaded mode. The distance between the baffle frame and the cutting equipment is adjusted in cooperation with a graduated scale, fixed-length cutting is facilitated, then a first electric push rod drives a mounting box to move up and down, plates with different thicknesses are clamped and limited through a driving roller, it is ensured that the plates are tightly attached to the top of the machine base box during cutting, and shaking caused by cutting is prevented; and the plate cutting stability is ensured.

The invention provides a deutzia glabrata hard wood cutting breeding method, and relates to the technical field of vegetative propagation seedling raising, and the method comprises the following steps: (1) collecting 1-2-year-old branches, and trimming thin branches; (2) cutting the branches in the step (1) into cutting slips with the length of 10cm and more than two bud points, flatly cutting upper openings of the cutting slips and obliquely cutting lower openings of the cutting slips, and soaking roots of the cutting slips into a sterilizing solution for sterilization treatment; (3) selecting grass carbon mixed perlite as a cutting medium, putting the cutting medium into a plug tray, and disinfecting the plug tray; (4) soaking the cutting slips obtained in the step (2) in a rooting agent, then inserting the cutting slips into a plug tray substrate, thoroughly watering the cutting slips with a sterilizing solution, and covering the cutting slips with a transparent cover; (5) after cuttage, placing under the condition of 70% shading degree, adjusting the shading degree to be 50% and the temperature to be 10-30 DEG C after new leaves emerge, timely supplementing water after cuttage, sterilizing in combination with a sterilizing solution, gradually opening a transparent cover after 45 days of cuttage, and watering according to conditions; and (6) 60 days after cuttage, transplanting and planting. The method has the advantages that the seedling raising period is shortened, and the breeding efficiency of deutzia glabrata is improved.

The present invention relates to the technical field of slitting machines, and discloses a fully automatic wood precision slitting machine, including a table top, the top of which is provided with a vertical clamping mechanism, the vertical clamping mechanism including: a telescopic cylinder 1, and a connecting rod fixed to the top of the table top. The fully automatic wood precision slitting machine is provided with a vertical clamping mechanism, the telescopic cylinder 1 drives the motor 1 to move downward, the motor 1 drives the slide block to move downward, the slide block drives the conical block to move downward through the serrated groove, the conical block drives the I-shaped block to move downward, the I-shaped block drives the spring 2 to move downward, the spring 2 drives the clamping column to move downward until the bottom of the clamping column contacts the wood, and if the contact force is too large, the spring 2 is over-extruded, the spring 2 causes the conical block to squeeze the spring 1, and the conical block moves upward on the serrated groove, so that the contact force on the wood is not too large, and the wood is vertically clamped during cutting.

The invention discloses a wood shearing optimization method based on a DWA algorithm, and belongs to the field of wood processing. A wood cutting coordinate system is established, and a movement track equation of wood is obtained; by taking the velocity vector and the coordinate position vector of the wood as variables, converting the motion trail equation of the wood into a cutting point setting function; self-adaptive parameters are designed, and a plurality of cutting points are determined in a wood cutting coordinate system; a position coordinate dynamic window is obtained by referring to a DWA operation formula, the coordinates of each cutting point are corrected according to the coordinate dynamic window, and corrected cutting point coordinates are obtained; and all the corrected cutting point coordinates are connected in a one-to-one correspondence mode, a plurality of cutting tracks are obtained, and the optimal cutting track is selected according to the actual size requirement of the wood. According to the wood shearing optimization method based on the DWA algorithm, self-adaption to external interference is achieved, then the shearing yield is increased, and the working efficiency is improved.

The invention relates to the technical field of related papermaking devices, and discloses a papermaking raw material lifting device which comprises a pressing and breaking mechanism, a pushing mechanism, a chopping mechanism and a discharging mechanism which are sequentially connected. A pressing and breaking roller is rotationally connected in the supporting frame above the conveying belt close to the material pushing mechanism, pressing blocks are evenly arranged on the pressing and breaking roller and the conveying belt, the material pushing mechanism comprises a material pushing plate, the chopping mechanism comprises a cutter, the cutter is perpendicular to a chopping belt, the cutter is connected in the chopping belt in an intermittent sliding mode, and the cutter is connected with the material pushing plate in a sliding mode. Compared with the prior art, the wood cutting device has the following advantages and effects that by arranging the pressing and breaking mechanism and the cutting mechanism, wood can be cut into wood chips with proper sizes, the subsequent paper pulp preparation time is shortened, by arranging the pushing mechanism, the quantity of tree trunks entering the cutting mechanism at a time can be controlled, the situation that the cutting result is influenced by large quantity is avoided, and the subsequent discharging uniformity is also prevented from being influenced.

The poplar hardwood cutting seedling raising equipment comprises a rack, a cutting device and a seedling raising device, a front wheel and a rear wheel; the transplanting device comprises a rotating disc, a hinge arm fixed to the frame and a connecting rod hinged to the hinge arm, the outer end of the connecting rod is hinged to a duckbilled device, the transplanting device further comprises a connecting arm and a positioning pin, and the rotating disc rotates to drive the connecting arm to swing so that the connecting rod can swing, and then the duckbilled device can be driven to move up and down; when the duckbilled device moves downwards, the conical barrel is closed, and when the duckbilled device moves upwards, the conical barrel is opened. Compared with the prior art, the rapid cutting equipment for the nursery stock breeding cuttings has the advantages that rapid switching between a cutting state and a non-cutting state is achieved, the flexibility of cutting operation is remarkably improved, automatic lifting of the duckbilled device and automatic opening and closing of the conical barrel are achieved, manual operation is reduced, and the labor intensity of workers is lowered. And the automation level of cutting operation is greatly improved, so that the operation efficiency is remarkably improved.

The present invention provides a dust removal device for furniture production, which relates to the technical field of wood cutting and dust removal, and comprises: an operating table and a circular saw blade; the upper half of the circular saw blade protrudes through the operating table and is placed above the table plate; an inverted U-shaped support frame is welded at a position near the circular saw blade on the top of the table plate, and a rectangular driving frame positioned by the pushing of a spring is slidably mounted on the U-shaped support frame; a trapezoidal dust hood is slidably mounted on the rectangular driving frame, and a vibration cleaning mechanism is arranged inside the trapezoidal dust hood, which utilizes the rotational driving force of the circular saw blade to drive the trapezoidal dust hood to vibrate at a high frequency, thereby cleaning the wood chips and dust accumulated inside the trapezoidal dust hood. In the present invention, the power coupling and decoupling operations of the rotating vibration component and the circular saw blade and the up and down sliding operation of the trapezoidal dust hood can be driven and implemented at one time, which saves the trouble of performing the above two operations step by step, and helps to improve the cleaning efficiency of the trapezoidal dust hood.

1. The name of the product under this design: Wood cutting machine (8808). 2. Purpose of this design product: wood cutting machine. 3. The key point of the design of this product lies in the three-dimensional image. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a wood cutting machine. The wood cutting machine comprises a rack, a driving rotating shaft, a cutting blade, a clamping limiting assembly and a cutting positioning assembly. The clamping limiting assembly comprises a pair of material pushing sliding rails, a front baffle is assembled above the pair of material pushing sliding rails in a sliding mode, a rear baffle is assembled on the side, close to the cutting blade, of the front baffle, and a plurality of evenly-distributed connecting threaded rods are connected between the front baffle and the rear baffle in a threaded mode. The cutting positioning assembly comprises a positioning baffle, a supporting connecting rod is inserted into the lower portion of the positioning baffle, a threaded sliding block is fixedly connected to the lower portion of the supporting connecting rod, and a threaded rod is in threaded connection with the interior of the threaded sliding block. According to the wood cutting machine, through the arrangement of corresponding structures, auxiliary limiting and cutting control can be conducted on wood to be cut according to actual needs, the wood cutting process of the wood cutting machine is simplified, the consistency of the cutting size of the wood cutting machine is guaranteed, and the cutting efficiency is improved. And the use safety of the wood cutting machine is improved.

The utility model discloses a plate cutting device for infrastructure construction, belongs to the technical field of plate cutting, and aims to solve the problems that in the prior art, a cutting saw blade is usually fixedly arranged, only a wood plate can be inclined for cutting when an inclination angle needs to be cut, and inconvenience is caused. Comprising a workbench, a box is connected to the middle of the lower portion of the workbench, a through hole is formed in the middle of the upper surface of the workbench, an angle adjusting assembly is mounted in the box, a mounting plate is mounted on the angle adjusting assembly, and a first motor is mounted on the side face of the mounting plate and connected with a rotating rod. According to the plate cutting device for infrastructure construction, through the arrangement of the angle adjusting assembly, when the wood cutting angle needs to be inclined, the angle of the cutting blade is conveniently adjusted, so that wood can be conveniently cut in the next step, when the wood is cut, only the wood needs to be pushed to pass through the cutting blade, cutting is convenient, operation is convenient, and the working efficiency is improved.

The wood cutting table for building construction comprises a supporting plate and supporting columns, and the periphery of the surface of the bottom of the supporting plate is fixedly connected with the supporting columns. A connecting plate is fixedly connected to the surface of the top of the supporting plate, a linear guide rail is fixedly mounted on one side of the interior of the connecting plate, and a sliding sleeve is slidably connected to the surface of the linear guide rail. By arranging a double-end lead screw, a threaded sleeve, a clamping plate, a sliding block, a limiting rod, a second spring, an attaching plate, a limiting groove and a sliding groove, round wood can be clamped, wood of different shapes can be clamped and stably cut, the wood cutting efficiency can be improved, and the practicability is high. And meanwhile, by arranging a sliding rod, a barrier plate, a first spring and a push plate, after a part of the wood is cut, the wood can be pushed to advance, and therefore the wood can be better cut.

The utility model provides a plank cutting machine capable of preventing planks from cracking, which comprises a rack, a plurality of support rollers are horizontally mounted on the rack, a cutting notch is formed in the middle of the rack, an electric linear track is horizontally mounted in the middle of the rack through two L-shaped fixing arms, the electric linear track is close to the cutting notch, and the L-shaped fixing arms are fixed on the rack. A first moving plate is fixed to a sliding table of the electric linear rail, a first cutting machine used for cutting off a wood board is arranged on the first moving plate, a second moving plate is connected to the sliding table of the electric linear rail through a pair of height-adjustable assemblies, and a second cutting machine used for grooving the wood board is arranged on the second moving plate. A plurality of guide wheels are installed on one side of the machine frame, two installation bases are fixed to the other side of the machine frame and arranged on the two sides of the cutting notch, electric push rods are installed on the installation bases, and the push rod ends of the electric push rods are connected with pressing blocks.

The utility model relates to a smoking pavilion processing wood cutting machine which comprises a base frame, a displacement mechanism is arranged outside the base frame, an adjusting mechanism is arranged at the output end of the displacement mechanism, a disc type motor is fixedly installed at the output end of the adjusting mechanism, and a cutting knife is fixedly installed at the output end of the disc type motor. And the adjusting mechanism comprises a first carrying plate, the first carrying plate is arranged at the output end of the adjusting mechanism, second linear guide rails are fixedly installed at the upper end and the lower end of the left side of the first carrying plate, a second motor is fixedly installed at the rear end of the left side of the first carrying plate, and a second screw rod is fixedly installed at the output end of the second motor. According to the smoke absorbing pavilion processing wood cutting machine, through the arrangement of the adjusting mechanism and the displacement mechanism, the displacement mechanism drives the cutting knife to move forwards, backwards, upwards and downwards, then the adjusting mechanism adjusts the cutting angle of the cutting knife, the wood cutting flexibility is better, the application range is wider, and therefore the practicability is better.

The utility model relates to the technical field of wood bearing, and discloses a wood bearing device of a wood rotary cutter, which solves the problems that the existing wood bearing device of the wood rotary cutter is poorer in bearing effect, wood is easy to fall off, and the processing quality and efficiency of the wood are influenced. According to the wood cutting device, due to the arrangement of the bearing assembly, the bearing wheels move downwards under pressure, the supporting rods move towards the two sides, the supporting rods move downwards, then the springs are in a stretching state, the damping rods and the damping springs are compressed under pressure, and when the weight of wood is continuously reduced, the damping rods and the damping springs are pressed to be compressed; the pressure applied to the bearing wheels is reduced, at the moment, the springs and the damping springs are slowly restored, the bearing wheels are pushed to move upwards, the bearing wheels are attached to the outer portion of the wood all the time to support the wood, and the machining quality and efficiency of the wood are guaranteed.

The invention provides a cutting industrial robot for furniture production, and relates to the technical field of industrial robots, the cutting industrial robot for furniture production comprises a bottom foot unit, a base unit is arranged on the bottom foot unit, a vertical arm is arranged on the base unit, a horizontal arm is arranged on the vertical arm, and a cutting assembly for furniture wood cutting is arranged on the right side of the horizontal arm. The protection mechanisms are arranged on the rotating shafts among the bottom foot unit, the base unit, the vertical arm, the horizontal arm and the cutting assembly, and the protection mechanisms take the sealed circular box as a core structure to form a semi-sealed wrapping state on the joint part of the mechanical arm. When wood board cutting operation is conducted in the sealed space, the semi-sealed design can effectively prevent chippings such as wood chips generated by cutting from directly falling into joint gaps, damage to the mechanical arm caused by the situations such as foreign matter clamping stagnation and frictional wear is reduced from the physical level, and then the movement flexibility and stability of all joints in the linkage process are guaranteed; the service life of the mechanical arm is prolonged.

The utility model discloses an automatic wood strip cutting device, and relates to the technical field of wood strip processing. The wood cutting device comprises a conveying belt, a workbench is arranged on the side face of the conveying belt, a cutting assembly is arranged on the outer surface of the workbench, a limiting assembly is fixedly connected to the outer surface of the cutting assembly, a chip collecting assembly and a chip blocking assembly are arranged on the outer surface of the workbench, the limiting assembly is used for limiting and fixing wood strips, and the chip collecting assembly is used for collecting wood chips. And the chip blocking assembly prevents the wood chips from falling to the position below the workbench. The chip collecting assembly and the chip blocking assembly are connected and located on the workbench, wood chips generated in the cutting-off process directly fall into the chip collecting assembly, and when a small part of wood chips on the workbench are cleaned subsequently, the chip blocking assembly is adjusted to be at the same height as the workbench, so that the wood chips on the workbench can be cut off conveniently. At the moment, wood chips on the workbench can be swept into the wood chip collecting assembly, and the wood chips are prevented from falling below the workbench and being mixed with the wood strips.

This invention discloses a method for hardwood cutting propagation of the mangrove plant *Avicennia marina*, comprising: S1: Selection and preparation of cuttings: In early July, select vigorous, healthy, and disease-free superior single plants, collect robust perennial branches, keep them moist after collection, bring them back to the cutting site, and cut them into cuttings on the same day; S2: Pretreatment of cuttings: Disinfect the cuttings obtained in step (1) by soaking them in a 700-fold carbendazim solution for 10 minutes, and then let them air dry naturally; subsequently, quickly dip the cuttings in a 1000 mg / L NAA and IBA hormone solution for 30 seconds, and insert them into the substrate of the seedbed to a depth of 3-4 cm. This method for hardwood cutting propagation of the mangrove plant *Avicennia marina* provides technical support for the industrialized and large-scale production of superior *Avicennia marina* seedlings, and can also ensure the demand for superior seedlings for the ecological restoration of coastal mangroves.

The utility model provides a multi-station numerical control cutting machine, and relates to the technical field of cutting machines. The multi-station numerical control cutting machine comprises a fixed bearing frame, a cutting mechanism used for wood cutting is arranged in the fixed bearing frame, the cutting mechanism comprises a distance adjusting plate, the outer surface of the distance adjusting plate is in sliding connection with the fixed bearing frame, and a distance adjusting sliding groove is formed in the outer surface of the distance adjusting plate. According to the multi-station numerical control cutting machine, through cooperative arrangement of a distance adjusting plate, a distance adjusting sliding groove, a connecting column, fixed sliding plates, a limiting sliding rod, a driven threaded rod, a first bevel gear, a second bevel gear, a connecting rod, an electric telescopic rod and a cutting assembly body, the multiple fixed sliding plates are driven to move relatively; and the operation of opening the cutting assembly body is matched, so that the wood can be freely cut into various different specifications of wood at a time, the energy consumption is greatly reduced, and the production efficiency of the device is improved.