29results about "Sawing apparatus" patented technology

A system (100A) to track logs in a wood processing chain, includes a database arrangement (102) that includes pre-recorded image of a given log, wherein the given log is associated with log identification information. The system further includes a plurality of imaging devices implemented at a sorting station. The plurality of imaging devices (104) is configured to capture a first set of images from at least a first prespecified oblique angle. The system further includes a data processing arrangement (106) that is configured to: identify the given log at the sorting station; compare the at least one pre-recorded image with the captured first set of images at the sorting station in order to find an optimum image from the compared images for identification of the given log; determine a plurality of physical characteristics; and append the log identification information with the determined physical characteristics of the given log.

A computer-implemented method for predicting a real strength grade which a known grading device (7) will assign to a real wooden board (2) not yet cut from a log (6), comprising a virtual cutting step of a three-dimensional virtual model (1) of the log (6) to obtain a virtual board (4), an assigning step, during which surface and / or internal characteristics are added to the virtual board (4), a virtual grading step, during which a virtual strength grade which the known grading device (7) would assign to the virtual board (4) is estimated, a predicting step, during which it is assumed that the real strength grade, which the known grading device (7) will assign to the real wooden board (2), corresponds to the virtual strength grade estimated in the virtual grading step.

A computer-implemented method to provide a cutting pattern for a tree log (1) to obtain wooden boards (2) comprises a step of obtaining (for instance, by computed tomography scanning of the log) a three-dimensional model (19) containing information about features of a structure of the log and / or about defects of the log. A step of computer-processing of the three-dimensional model, to determine the cutting pattern by optimisation of an objective function, comprises the use of a value map (3) to compute the value of a virtual board (25) having a minor face (26), with set orientation and set dimensions, at a cross-section (12) of the three-dimensional model. The value map, which correlates to the information about the features and / or the defects of the log, assigns to each point of the cross-section a value of a virtual board having its minor face centred (or having another predetermined positional relationship) at that point and having the set orientation and set dimensions.

The present disclosure describes methods and systems for virtually calibrating geometric sensors with overlapping fields of view. In some embodiments, a geometric sensor may be virtually calibrated by applying a correction value to profile data obtained by the geometric sensor to generate adjusted profile data. The correction factor may be determined based at least in part on X-Y offsets and / or rotational offsets of prior profile data obtained by the geometric sensor relative to corresponding profile data obtained by a reference geometric sensor, and may be recalculated or updated as new sets of profile data are obtained. The adjusted profile data may be used in place of the original profile data in various data processing operations to functionally offset a positional error of the geometric sensor.

This invention relates to a process for the division of an individual input source log into discrete longitudinal lengths for subsequent processing. The process comprises receiving an individual input source log, dividing the input source log into one or a plurality of output log portions of a predetermined length, wherein at least a portion of said output log portions resultant from said division are of a substantially equal or substantially constant or consistent longitudinal length, and wherein said substantially equal or substantially constant or consistent longitudinal length output log portions are procured as a feed stream of log material for a subsequent processing step. This process provides for the processing of logs and subsequent assembly into an end product formed from a composite of sticks derived from said processed logs.

A method for producing sawn timber from a log (1) comprising the following process steps: A) Determining a first cutting solution for the log (1), which includes a spatial arrangement of side boards and main boards; B) Separating the log (1) according to the cutting solution, producing a substantially flat surface (10) of the main or side board; C) Quality inspection of the surface (10) of the side board to determine at least one wood defect (12) and / or a wood defect property; D) Determining a second cutting solution depending on the determined wood defect (12) and / or the wood defect property, wherein the main board or the side board is subdivided into at least two side board boards (8) compared to the first cutting solution and / or a subdivision of at least two main board boards or two side board boards (8) is changed compared to the first cutting solution;E) Separating the tree trunk (1) according to the second cutting solution.;

A computer-implemented method for generating a training dataset for training an artificial neural network configured to use images of lateral faces of a timber board to provide information about structure and / or defects, the method including: a log generation step during which a virtual model of a log is generated; a sawing step of the virtual model to obtain one or more virtual timber boards; a pattern step during which a surface pattern is determined as the intersection between the virtual lateral face and the internal structure and / or defects; a rendering step during which a rendered surface image of the lateral face of the virtual timber board is created; and an input data generation step during which the rendered surface images are used to create one or more item of input data; an output data generation step during which an item of output data is generated; and a population step during which a record is added to the training dataset comprising the item of input data, in combination with the item of output data.

The invention relates to a method for producing construction wood from small-dimensioned wood, having the steps of: - providing a small-dimensioned wood log which extends in a longitudinal direction and thereby has a substantially circular cross-section and tapers conically in the longitudinal direction, - separating the small-dimensioned wood log into two half logs, each of which is delimited by a central cutting surface and a parallel outer cutting surface, - trimming the two half logs so as to provide two respective flanks, said two flanks being provided so as to run towards each other along the conical shape of the original small-dimensioned wood log, and - producing a single-layer continuous board by placing and gluing the lateral flanks of multiple trimmed half logs together, wherein the half logs are arranged such that the flanks thereof running towards each other lie against each other in a reciprocal manner.

The present application relates to the technical field of forestry, and discloses a kind of for forestry field investigation's felling sample wood tree trunk attached plant removal, the present application includes a tail end with handle rack, and with the main branch of rack fixed connection and through ball head articulation in the other end of the main branch of rack arch and rotation setting on the tear bite roller of arch, wherein the tear bite roller is symmetrical and is equipped with two, in the rack rotation is equipped with bevel gear and the bevel gear is driven by hand drive roller rotation setting on the rack, the rack is also rotation is equipped with bevel gear shaft.The present application is by hand holding the handle and the front fulcrum cylinder and the tear bite roller are resisted on the vegetation surface to be handled, and the front and rear linear movement of the front fulcrum cylinder and the tear bite roller is realized by hand pushing the handle.

This invention relates to a process for the division of an individual input source log into discrete longitudinal lengths for subsequent processing. The process comprises receiving an individual input source log, dividing the input source log into one or a plurality of output log portions of a predetermined length, wherein at least a portion of said output log portions resultant from said division are of a substantially equal or substantially constant or consistent longitudinal length, and wherein said substantially equal or substantially constant or consistent longitudinal length output log portions are procured as a feed stream of log material for a subsequent processing step. This process provides for the processing of logs and subsequent assembly into an end product formed from a composite of sticks derived from said processed logs.

A computer-implemented method for generating a training dataset for training an artificial neural network configured to use images of lateral faces of a timber board to provide information about structure and / or defects, the method including;a log generation step during which a virtual model of a log is generated;a sawing step of the virtual model to obtain one or more virtual timber boards;a pattern step during which a surface pattern is determined as the intersection between the virtual lateral face and the internal structure and / or defects;a rendering step during which a rendered surface image of the lateral face of the virtual timber board is created; andan input data generation step during which the rendered surface images are used to create one or more item of input data;an output data generation step during which an item of output data is generated; anda population step during which a record is added to the training dataset comprising the item of input data, in combination with the item of output data.

A method for producing sawn timber from a log, includes: determining a first cutting solution for the log having a spatial arrangement of side and main products; processing the log by cutting according to the cutting solution, producing an essentially planar surface of the main or side product; quality inspecting the surface to determine a defect in the wood and / or a property of the defect in the wood; determining a second cutting solution depending on the identified defect and / or the property of the defect, in which the main and / or side product is subdivided with respect to the first cutting solution into at least two main product boards and / or two side product boards and / or a subdivision of at least two main product boards or two side product boards is modified with respect to the first cutting solution; and processing the log by cutting based on the second cutting solution.

The reciprocating saw comprises a machine shell, a motor assembly contained in the machine shell, a transmission assembly connected to the motor assembly, a reciprocating rod assembly driven by the transmission assembly and a guide rail assembly supporting the reciprocating rod assembly, and the reciprocating rod assembly comprises a reciprocating rod and a sliding groove connected to the reciprocating rod. The sliding groove reciprocates along the guide rail assembly. The guide rail assembly comprises a guide rail and a sliding plate connected to the guide rail, the sliding groove moves along the surface of the sliding plate, the reciprocating saw comprises an elastic piece abutting against the sliding plate, and the elastic piece exerts force on the guide rail so that the sliding plate can be attached to the sliding groove. Therefore, the sliding groove and the sliding plate are continuously attached, swing of the reciprocating rod assembly in the moving process is reduced, and vibration and noise of the machine are reduced. And the reciprocating rod assembly is well attached to the sliding plate, so that abrasion is more uniform, and the service life is prolonged.

In order to increase the obtainable sawn timber volume in the side board region during the production of sawn timber from a tree trunk, in a method in which the tree trunk is canted at at least two sides, preferably four sides, a remaining wane region is milled out at at least two mutually opposite corner regions by milling tools, and a side product board is cut off by a saw cut along a plane bounded by the corner regions, it is provided that, to mill out the corner regions, the milling tools are moved relative to the tree trunk in an arc, predefined on the basis of a measurement of the tree trunk, by virtue of the fact that, during a feed movement of the tree trunk relative to the milling tools, said milling tools are adjusted so as to follow the arc.

The utility model relates to the technical field of woodworking tools, in particular to a jig saw angle positioner. When the angle of a saw blade needs to be adjusted, a worm is rotated to drive a worm gear to rotate, then the worm gear drives a rotating rod to rotate, then the rotating rod drives the machine shell on the top to rotate to the needed angle, and when the machine shell rotates, the saw blade changes along with the change of the position of the machine shell. The effect of adjusting the angle of the saw blade is achieved by adjusting the angle between the machine shell and the base, self-locking is achieved through a worm gear and a worm, the angle of the saw blade is positioned, follow-up plate cutting machining is facilitated, and after adjustment is completed, a threaded rod is reversely rotated to move inwards in an inner cavity of the adjusting box, so that the saw blade is adjusted. And the input end of the threaded rod abuts against the surface of one side of the rotating rod, the rotating rod is limited again, the situation that the stability of the saw blade is affected due to accidental rotation of the worm gear and the rotating rod under large external force is prevented, and the saw blade is further positioned.

The utility model relates to a quick dismounting and quick clamping mechanism of a swing shovel, which comprises an output shaft, a head shell, a swing shovel, a clamping piece, a clamping piece and a clamping piece, the output shaft is internally provided with a containing cavity, a limiting hole and an inserting hole which are sequentially communicated from top to bottom, the output shaft is arranged in the head shell, and the lower end of the output shaft extends out of the head shell; the pull rod comprises a main body rod and an eccentric rod which is arranged at the lower end of the main body rod and is eccentrically arranged, the main body rod is arranged in the containing cavity and is connected into the limiting hole in a sliding mode, a coaxial limiting boss is arranged at the lower end of the eccentric rod, and the diameter of the limiting boss is larger than that of the eccentric rod; the pressing plate comprises a pressing block and an insertion column which is arranged at the upper end of the pressing block and matched with the insertion hole, the outer diameter of the pressing block is larger than that of the insertion column, and a connecting hole which is matched with the eccentric rod and the limiting boss and used for limiting movement of the pressing plate is formed in the center of the pressing plate. The beneficial effects of the utility model are that: the installation is very convenient and fast, the structure is simpler, and the later replacement, maintenance and the like are convenient.

The utility model relates to a quick dismounting and quick knife clamping mechanism of a swing shovel, which comprises an output shaft, a head shell, a knife clamping mechanism and a knife clamping mechanism, the output shaft is internally provided with a containing cavity, a limiting hole and an inserting hole which are sequentially communicated from top to bottom, the output shaft is arranged in the head shell, and the lower end of the output shaft extends out of the head shell; the pull rod comprises a main body rod, a connecting rod and a limiting boss which are sequentially connected from top to bottom, the main body rod is arranged in the containing cavity and slidably connected in the limiting hole, the connecting rod extends out of the insertion hole, and the diameter of the limiting boss is larger than that of the connecting rod; an eccentric hole and a connecting hole which are communicated are formed in the pressing plate, the connecting hole, the pressing plate and the pull rod are coaxially arranged, the eccentric hole is eccentrically arranged relative to the connecting hole, the inner diameter of the connecting hole is larger than that of the eccentric hole, and the inner diameter of the eccentric hole is not smaller than the diameter of the limiting boss. The beneficial effects of the utility model are that: the installation is very convenient and fast, the structure is simpler, and the later replacement, maintenance and the like are convenient.

The invention relates, inter alia, to a method for producing sawn timber products, wherein (A) logs are scanned by a feature scanner (4), the features thereof are detected and virtual images of the logs are created and stored in a database (3), (B) after which the scanned logs are combined into batches depending on their features, (C) wherein at least one batch is selected by means of a master computer (2) taking into account the detected features of the logs of the batch in order to fulfil, in an optimised manner, an order for producing sawn timber products and said batch is assigned to the order and (D) the at least one batch is fed to a sawing line (6), (E) wherein the logs of the batch are scanned by means of an identification scanner (5) before they are cut up and are identified by means of a comparison with the virtual images of the individual logs stored in the database (3). (F) Before the logs are cut up, the master computer (2) generates a log-specific cutting pattern for each log, said cutting pattern defining how the respective log from the selected batch is scored in the sawing line (6) for optimum fulfilment of the order and is cut up into the sawn timber products to be produced in accordance with the order. (G) On the sawing line (6), the logs are then cut up into the sawn timber products required for fulfilment of the order in accordance with the cutting patterns.

A computer-implemented method for predicting a real strength grade which a known grading device (7) will assign to a real wooden board (2) not yet cut from a log (6), comprising a virtual cutting step of a three-dimensional virtual model (1) of the log (6) to obtain a virtual board (4), an assigning step, during which surface and / or internal characteristics are added to the virtual board (4), a virtual grading step, during which a virtual strength grade which the known grading device (7) would assign to the virtual board (4) is estimated, a predicting step, during which it is assumed that the real strength grade, which the known grading device (7) will assign to the real wooden board (2), corresponds to the virtual strength grade estimated in the virtual grading step.

The invention discloses a wood sawing method based on computer vision, which sequentially comprises the following steps of: 1, acquiring wood images by using a color industrial camera and an infrared imaging camera at multiple visual angles of which the optical axis included angle is 30-60 degrees, obtaining an initial image data set, and obtaining an initial image data set of an internal structure of wood by using an ultrasonic wave and microwave sensor system; step 2, carrying out preprocessing through algorithms such as adaptive median filtering and the like to obtain a standardized image; step 3, using a defect identification model 5000 + sample constructed by the CNN to train, identify defects and quantify the defects; 4, in combination with the defect and size parameters, an optimal sawing path is planned through an improved A algorithm, and sawing parameters are adapted; 5, the path is converted into a control instruction to drive a sawing execution mechanism to work, and real-time closed-loop monitoring is carried out; step 6, detecting the quality after sawing, and feeding back and adjusting if the saw cutting is unqualified; and step 7, storing and encrypting data, and setting authority. According to the method, the defect recognition rate, the wood utilization rate and the saw cutting precision are improved, and quality tracing is achieved.

The utility model discloses a hand saw with angle adjustment and line drawing assisting functions, and relates to the technical field of hand saws. One end of the saw blade is connected with the saw handle; the auxiliary scribing unit is rotationally mounted on the handle, and the auxiliary scribing unit can rotate relative to the saw blade; the angle scale marks are marked on the saw handle or the saw blade, and the extended intersection points of all the angle scale marks coincide with the rotating axis of the auxiliary lineation unit. And a plane formed by the rotation track of the auxiliary scribing unit is parallel to the saw blade. The auxiliary scribing unit comprises a vertical bar; the fixing piece penetrates through the vertical bar and then is connected with the saw blade and the saw handle. The hand saw solves the technical problem that an existing hand saw cannot meet the multi-angle cutting requirement of a user.

The application discloses a work stool, which comprises a work stool body, a foot rod base rotatably connected to the work stool body, two foot rod bodies hingedly connected to the foot rod base, a connecting rod assembly arranged between the two foot rod bodies, a sliding slot and a limiting slot arranged on the foot rod base, a toggle switch assembly arranged on the work stool body, a pull spring, a limiting pin and a switch body, the switch body being hingedly connected to the work stool body, a first pin shaft arranged between the work stool body and the foot rod base, the pull spring being arranged between the first pin shaft and the limiting pin, the limiting pin penetrating through the work stool body, the foot rod base and the switch body, the limiting pin sliding relative to the foot rod base when the switch body is rotated, and a lock catch assembly arranged on the work stool body and used for unfolding the foot rod body. The foot rod body in the folded state is locked by the toggle switch assembly and is automatically locked by the lock catch assembly, the foot rod body is unfolded and folded at a high speed, and the operation is simple.

An integrated approach to the production and supply chain from forest to end use products, including growing trees, logging trees, and processing logs that maximises production of higher value products and minimises costs and 5 waste is critical to a sustainable timber industry.

The utility model discloses a double-pipe oblique cutting saw frame. According to the technical scheme, the double-pipe oblique cutting saw frame is characterized by comprising a cutting support, a first fixing support and a second fixing support are arranged at the bottom of the cutting support in an overlapped mode, the first fixing support is rotationally connected with the second fixing support, and auxiliary supporting devices are movably arranged at the two ends of the cutting support; the auxiliary supporting device comprises a set of telescopic rods in sliding connection with the cutting support, the ends, away from the cutting support, of the telescopic rods are connected through a connecting support, the bottom of the connecting support is fixedly connected with at least one U-shaped plate, penetrating holes are formed in the U-shaped plates in a penetrating mode, rotating shafts are arranged in the penetrating holes in a penetrating mode, and vertical rods are rotationally connected to the rotating shafts. The auxiliary supporting device is arranged, so that the stability of the auxiliary supporting device is improved, the cutting support is further supported, and the wood cutting device is suitable for cutting wood of more sizes.