249 results about "Particle board" patented technology

The invention discloses a shaving board quality detection method and system based on image recognition, and particularly relates to the technical field of image recognition. Shaving board samples are selected from different batches, edge defects are manually marked, local gray change analysis and texture contrast difference calculation are combined, key features such as edge smoothness change rate and texture contrast difference are extracted, the key features are converted into comprehensive feature vectors, and the comprehensive feature vectors are input into a machine learning model for training and prediction. The quality identification accuracy of the detection system in the edge area can be effectively evaluated, feedback is carried out according to an accuracy classification result, and when incomplete accurate identification occurs, abnormal shaving boards are automatically marked and an operator is reminded to review by comparing deviations of historical batches, so that the production quality and safety are improved, inferior-quality products are prevented from flowing into the market, and the production efficiency is improved. And the potential product accident risk is reduced.

The invention discloses a shaving board detection device, and relates to the technical field of shaving board production, the shaving board detection device comprises a main support, two sets of auxiliary supports and a surface cleaning mechanism, the inner side of the main support is provided with an automatic overturning conveying mechanism, and the inner sides of the two sets of auxiliary supports are fixedly connected with fixing plates; through the arrangement of the automatic turnover conveying mechanism, after the shaving board is clamped by the two clamping plates, when a conveying motor is started to drive a driving roller to rotate, the shaving board can be automatically turned over, and the shaving board can be automatically turned over; the shaving board is conveyed and detected to the position below the detection camera through cooperation of two sets of conveying belts and driven rollers, and the shaving board is turned over by 180 degrees through cooperation of a driven gear, a long toothed bar and other assemblies and then passes through the position below the detection camera to be detected again. Therefore, the effect of accurately detecting the front and back surfaces of the shaving board is achieved.

The utility model discloses a shaving board production line dust efficient recovery device which comprises a dust recovery box, an air inlet pipe is installed at the right end of the dust recovery box, an air outlet pipe is installed at the left end of the dust recovery box, an arc-shaped through hole is formed in the dust recovery box, an annular block is connected into the arc-shaped through hole in a sliding mode, and a cleaning pool is arranged below the annular block. A circular plate is installed at the front end of the annular block, a first motor is installed at the front end of the circular plate, four square holes are symmetrically formed in the annular block, sliding grooves are symmetrically formed in the square holes, guide rods are symmetrically installed in the sliding grooves, sliding blocks are slidably connected into the sliding grooves, and the outer surfaces of the guide rods are sleeved with the sliding blocks. Dust gas is filtered through the filter plate, the first motor drives the blocked filter plate to rotate out of the arc-shaped through hole, a new filter plate rotates into the dust recycling box for filtering work, then the second motor drives the arc-shaped reciprocating block to reciprocate to clean the filter plate, time and labor are saved, and the service life of the filter plate is prolonged.

The utility model discloses a shaving board hot press convenient for feeding, which comprises a shaving board hot press body, and the shaving board hot press body comprises an equipment bottom plate, an equipment top plate and a shaving board lifting pressing plate positioned between the equipment bottom plate and the equipment top plate, two symmetrically-arranged front stand columns are fixed to the front end of the equipment top plate and the front end of the equipment bottom plate, a reinforcing plate is fixed to one side of the equipment top plate, and a feeding mechanism is installed on the reinforcing plate. The feeding mechanism comprises a first connecting plate installed at the bottom of the reinforcing plate, a driving mechanism for achieving rotation of the first connecting plate is installed on the equipment top plate, a mounting plate is fixed to the bottom of the first connecting plate through an electric telescopic rod, and a plurality of electric suction cups are installed at the bottom of the mounting plate. According to the utility model, a plate blank can be adsorbed and rotated clockwise to a position between the equipment top plate and the shaving board lifting pressing plate, and then the plate blank is released for hot pressing, so that feeding is convenient.

The utility model relates to the technical field of shaving boards, and provides a device for removing bent shavings from shaving boards, which comprises a plurality of removing and screening rollers arranged in sequence, a plurality of removing and screening sheets arranged on the removing and screening rollers and arranged in sequence along the axial direction of the removing and screening rollers, a removing and screening interval is formed between every two adjacent removing and screening sheets, and the removing and screening rollers are arranged on the removing and screening rollers. The material removing pieces extend into the material removing intervals on the other adjacent material removing and screening roller, the material removing pieces are provided with one or more material removing notches, and when the number of the material removing notches is more than one, the material removing notches are circumferentially arranged in the circumferential direction of the material removing pieces. By means of the technical scheme, the problem that in the prior art, bent wood shavings cannot be discharged in the material distributing process, and the quality of finished products is affected is solved.

The utility model relates to the technical field of air compressors, and provides an air compressor air inlet filtering and silencing structure for shaving board processing, which comprises a shell and an air inlet pipeline, the air inlet pipeline is mounted at the top of the shell, an air inlet filtering component is arranged outside the shell, a window is arranged on the side surface of the shell, and a noise reduction filtering component is arranged in the shell. The outer groove is formed in the side surface of the shell, filtering holes are formed in the outer groove, the upper end of the side surface of the shell is rotationally connected with a transmission shaft, and a connecting rod is arranged at one end of the transmission shaft. By means of the technical scheme, the problems that in the related technology, due to the fact that certain impurities exist in air, in the long-term use process, the impurities can be accumulated in the air compressor, normal use of the air compressor is affected, an existing air compressor filters the air by installing a filter plate, the filter plate needs to be frequently replaced, and the process is tedious are solved.

The invention belongs to the technical field of detection equipment, particularly relates to a shaving board production surface flatness detection device, and aims to solve the problems that the overall flatness information of a shaving board cannot be visually fed back and the position of a defective board cannot be quickly positioned, the shaving board production surface flatness detection device comprises a detection table and a conveying table, and the conveying table is located at the front end of the detection table; a plurality of equidistant conveying rollers are arranged on the detection table and the conveying table, a detection plate and a feedback screen are arranged above the detection table, and a straightness feedback assembly is arranged on the detection plate. According to the shaving board production surface straightness detection device disclosed by the invention, the conveying table is matched with the detection table to carry out straightness detection, and when the straightness meets the specification, the shaving board is normally conveyed on the conveying table and the detection table; and when the flatness has a problem, the flatness feedback assembly can visually display the flatness information on a feedback screen, so that a problem area can be quickly positioned, and a detector can conveniently evaluate the surface condition of the shaving board.

The present invention relates to a process for preparing a bonding resin, wherein lignin is provided in the form of an aqueous solution and mixed with one or more of glycerol diglycidyl ether, polyglycerol diglycidyl ether, polyglycerol polyglycidyl ether, glycerol triglycidyl ether, sorbitol polyglycidyl ether, alkoxylated glycerol polyglycidyl ether, trimethylolpropane triglycidyl ether, trimethylolpropane diglycidyl ether, polyoxy propylene glycol diglycidylether, polyoxypropylene glycol triglycidyl ether, diglycidylether of cyclohexane dimethanol, resorcinol diglycidyl ether, isosorbide diglycidyl ether, pentaerythritol tetraglycidyl ether, ethylene glycol diglycidyl ether, polyethylene glycol diglycidyl ether having 2-9 ethylene glycol units, propylene glycol diglycidyl ether having 1-5 propylene glycol units, and / or diglycidyl ether of terminal diol having a linear carbon chain of 3-6 carbon atoms; and optionally one or more additives. The bonding resin is useful for example in the manufacture of laminates, mineral wool insulation and wood products such as plywood, oriented strandboard (OSB), laminated vencer lumber (LVL), medium density fiberboards (MDF), high density fiberboards (HDF), parquet flooring, curved plywood, veneered particleboards, veneered MDF or particle boards.

The invention discloses an intelligent monitoring system for wood shaving processing, which belongs to the field of intelligent monitoring systems and comprises a product quality acquisition module, a production data acquisition module, an environment data acquisition module, a data receiving module, a data analysis module and a visualization module. The product quality acquisition module comprises an image acquisition unit, a strength acquisition unit and a water content acquisition unit, the image acquisition unit acquires surface image information of the shaving board through a camera, and the strength acquisition unit acquires internal structural strength information of the shaving board through ultrasonic detection; and the water content acquisition unit acquires water content information in the shaving board through an electrical measurement method. The product quality, the production data and the environment data on the production line can be comprehensively monitored, the overall monitoring effect is improved, and then background workers are helped to more effectively know the overall state of the production line.

The invention discloses a shaving board flatness and surface defect on-line detection device, and belongs to the technical field of shaving board optical detection.The shaving board flatness and surface defect on-line detection device comprises conveying roller equipment used for conveying shaving board bodies, a driving mechanism is erected on the conveying roller equipment, and a light adjusting mechanism is arranged in an outer shell of the driving mechanism; the light adjusting mechanism comprises a mounting frame, U-shaped frames and side frames, each U-shaped frame is provided with a first rotating shaft and a second rotating shaft, the two first rotating shafts are jointly wound with a first light-transmitting belt for adjusting illumination light, and the two second rotating shafts are jointly wound with a second light-transmitting belt for adjusting light colors. The light intensity can be automatically adjusted, shaving boards of different types and different roughness degrees can be adapted, the light intensity is adjusted to resist diffuse reflection or avoid overexposure, meanwhile, light colors are changed according to the defect types of the shaving boards and the color of the board surface, defect characteristics are enhanced, interference of wood dust is isolated, and the recognition precision is improved.

The invention relates to the technical field of shaving boards, and discloses a preparation method of an anti-deformation moisture-proof shaving board and the shaving board, the preparation method comprises the following steps: S1, sorting: sorting to obtain surface layer fine materials and core layer wood shavings; s2, glue applying, wherein urea-formaldehyde glue I is applied to the surface layer fine materials, and urea-formaldehyde glue II and MDI glue are applied to the core layer wood shavings; the urea-formaldehyde glue I and the urea-formaldehyde glue II are both melamine modified urea-formaldehyde glue; s3, moisture prevention is conducted, specifically, a waterproof agent and a mildew preventive are applied to the surface layer fine materials and the core layer wood shavings correspondingly, and then a curing agent is applied to the core layer wood shavings; s4, paving is conducted, specifically, laminated paving is conducted according to surface layer fine materials, core layer wood shavings and surface layer fine materials, and a plate blank is obtained; and S5, hot pressing, wherein the plate blank is subjected to hot pressing. Melamine modified urea-formaldehyde glue is adopted for sizing, different sizing processes are adopted for the surface layer and the core layer, the wood shaving units are tightly glued together, and the shaving board good in humidity resistance and size stability is prepared.

The utility model discloses a wood shaving mucilage glue preparation device which comprises a glue mixing mechanism. The output ends of the multiple groups of raw material tanks are communicated with the input end of the glue mixing mechanism through material conveying pipes, and all the material conveying pipes are provided with raw material control valves and flow meters; the wood shaving weighing hopper can be mounted on a wood shaving input port of the wood shaving glue mixer; the input end of the glue spraying mechanism is communicated with the output end of the glue mixing mechanism through a glue conveying pipe, a glue outlet control valve is arranged on the glue conveying pipe, and the glue spraying mechanism can be installed on a glue input port of the wood shaving glue mixer; the glue removing part is movably mounted at the output end of the glue spraying mechanism; and the control system can respectively control the opening or closing of the glue outlet control valve and all the raw material control valves according to the weighing value of the wood shaving weighing hopper and the counting value of the flow meter. According to the utility model, the configuration amount of glue can be dynamically adjusted, and the stability and uniformity of glue application are ensured.

The present invention relates to a process for preparing a bonding resin, lignin in solid form or in the form of a dispersion in water is mixed with a crosslinker; and optionally one or more additives followed by addition of a basic solution. The bonding resin is useful for example in the manufacture of laminates, mineral wool insulation and wood products such as plywood, oriented strandboard (OSB), laminated veneer lumber (LVL), medium density fiberboards (MDF), high density fiberboards (HDF), parquet flooring, curved plywood, veneered particleboards, veneered MDF or particle boards, laminates or mineral wool insulation.

The present invention discloses a particle board surface defect detection device, comprising a base, a conveyor belt body, a detection structure, a first limit assembly, a transfer structure and a moving structure; the conveyor belt body is fixedly arranged on the middle part of the upper wall of the right end of the base, and the detection structure is fixedly arranged on the base and is located above the middle part of the conveyor belt body. The present invention relates to the technical field of particle board production detection equipment. The present invention has high detection accuracy and realizes dual detection of vision and ranging. Double detection can be achieved through staggered swinging to ensure the accuracy of the detection results. The camera swing stroke is adjustable and can be flexibly adjusted according to boards of different widths, which enables the equipment to adapt to the detection needs of particle boards of various specifications. The moving structure can turn the board over when it is horizontally conveyed for detection, thereby realizing double-sided detection of the board.

The invention discloses a shaving board mechanical property prediction analysis method based on simulation and deep learning, and the method comprises the steps: building an equivalent single-layer board mechanical model of an anisotropic small-layer splicing structure of a unit-thickness shaving board through finite element simulation and theory, and obtaining a shaving board geometrical morphology and stress-strain distribution data set; and then an equivalent laminated plate mechanical model of the shaving board vertical direction stacking structure is constructed, and a shaving board structure parameter and mechanical property data set is obtained. The artificial intelligence model is trained through the data set, and based on a wood shaving piece real-time paving structure obtained in the shaving board machining process, rapid intelligent prediction and quality control of the mechanical property of the shaving board are achieved through the trained artificial intelligence model. The scheme has the advantages of simplicity in operation, high universality, high detection efficiency, high processing precision, low technical cost, high quality controllability and the like; the method has important significance in the fields of structure-activity relationship analysis, mechanical property prediction, production online quality control and the like of the particle board small sheet layer pavement structure.

The utility model belongs to the technical field of shaving board production, and particularly relates to a shaving board production line full-process detection device which comprises a conveying frame, a conveying detection assembly is installed on the conveying frame, a feeding frame is fixedly connected to the left side of the conveying frame, and the distance between two sets of discharging plates is adjusted through an adjusting assembly. The size of the shaving board is adjusted properly, then the shaving board is stacked and placed between the two sets of discharging plates, then the driving assembly is started, the driving assembly drives the two sets of feeding belts to rotate synchronously, and when the feeding belts rotate, the bottommost shaving board is pushed in cooperation with the baffle assembly; the bottommost shaving board enters the conveying detection assembly to be conveyed, detected and fed again, the driving assembly is matched with the baffle assembly again to convey the bottommost shaving board to the conveying frame, then batch feeding is achieved, manual carrying of workers every time is avoided, and the detection efficiency of the shaving board is effectively improved.

The present invention discloses a descaling device and method for an air-energy water tank, including a water tank body, wherein a support tube is fixedly connected to the water tank body, the internal threaded ring is screwed to a threaded rod, and the threaded rod is movably connected to the support tube, a second connecting ring is sleeved on the outer side of the first connecting ring, a connecting groove is provided in the end of the connecting block away from the second connecting ring, the liquid storage chamber is provided in the second connecting ring, the sealing plate is fixedly connected to a shift rod on the side close to the support block, the shift rod extends into the connecting groove at one end away from the sealing plate, and a plurality of groups of particle boards are fixedly connected to the lower end of the second connecting ring; when the second connecting ring moves up and down and rotates, the prepared cleaning liquid is evenly sprayed on the scale surface on the inner wall of the water tank body, and the scale can be broken into powder and discharged by the rotation of the particle board, so as to prevent the scale from being blocked in the first drain pipe when being discharged, and the scale can be completely scraped off by scraping by the plurality of groups of arc plates.

The utility model discloses a shaving board dedusting and drying device, which relates to the technical field of shaving board processing and comprises a supporting cylinder, two supporting plates are fixed at the bottom of the supporting cylinder, a dust collecting component is mounted at the bottoms of the two supporting plates, a driving motor and a drying component are mounted on the dust collecting component, and a support column is rotatably connected to the bottom of the inner side of the supporting cylinder through a bearing. The supporting column is driven by a driving motor, a supporting plate is fixed to the top end of the supporting column, and a plurality of bearing assemblies distributed in a circular array are installed at the top of the supporting plate. The shaving boards are lifted by the bearing assemblies, the supporting columns are driven by the driving motor to pull the supporting plate to rotate, the supporting plate drives the bearing assemblies and the shaving boards lifted on the bearing assemblies to rotate at the same time, the shaving boards can be helped to throw away dust attached to the surfaces of the shaving boards by means of centrifugal force, and self-purification is completed; the drying assembly is matched with the supporting cylinder to wrap the bearing assembly and the shaving board on the bearing assembly, and the shaving board is dried through hot air while the shaving board rotates.

The present invention belongs to the technical field of material crushing, and in particular to an efficient crusher which is convenient for material unloading, comprising a supporting base, a high manganese steel bracket, a feeding frame, a feeding pipe rack, a stamping assembly, a scraping assembly, a feeding assembly and a fine crushing assembly, wherein the supporting base is fixedly connected to the lower end of the high manganese steel bracket, the stamping assembly is installed on the top of the high manganese steel bracket, the feeding frame is installed obliquely above the high manganese steel bracket, the scraping assembly is installed in the middle of the stamping assembly and the high manganese steel bracket, the feeding pipe rack is installed on the outside of the scraping assembly, the feeding assembly is sleeved on the outside of the top of the feeding pipe rack, and the fine crushing assembly is installed on the outside of the feeding pipe rack; after coarse crushing, this product can complete the scraping operation while pushing the material, and shake the movable crushing plate through a vertical motor, and repeatedly impact the material on the meshing surface of the bidirectional crushing teeth to achieve the purpose of re-crushing the material, thereby achieving the integrated operation of coarse and fine crushing of this product.

The invention discloses a preparation method of a non-grain oil-based formaldehyde-free bamboo particle board. The non-grain oil-based bamboo particle board is prepared from a non-grain oil-based adhesive and bamboo particles. The non-grain oil-based adhesive is prepared from the following raw materials: an oil refining byproduct, glycidyl methacrylate, epoxy resin, a reinforcing agent, triethylene diamine and tert-butyl peroxybenzoate. The preparation method comprises the following steps: S1, preparing the non-grain oil-based adhesive; s2, uniformly spraying glue; s3, mechanically mixing; and S4, hot press molding. According to the method, the non-grain and non-oil waste grease mixture is used as the raw material to prepare the adhesive, the bamboo processing waste is glued to prepare the bamboo particle board, and high-value utilization of the bamboo processing waste and grease refining by-products is achieved; the prepared adhesive has the characteristics of high bio-based content, excellent bonding strength, good weather resistance, no formaldehyde, low cost, reproducibility and the like; the prepared bamboo particle board is free of formaldehyde release and has excellent mechanical performance, water resistance and high temperature resistance.

The utility model relates to the technical field of particle board processing, in particular to a particle board processing device which comprises a belt type board cooling device, a plurality of groups of board cooling frames are distributed on a conveying belt on the belt type board cooling device in the length direction, and each group of board cooling frames is composed of a plurality of groups of board cooling rods in the width direction of the conveying belt. The grating platform is fixed at the front end of a rack of the belt type plate cooler; the intermittent pushing mechanism is also arranged at the front end of the rack of the belt type plate cooling device, and the intermittent pushing mechanism is composed of an intermittent upper swing assembly installed on the rack and a pushing wheel set installed at the front side end of the intermittent upper swing assembly; the pushing wheel set comprises a transverse shaft rotationally installed at the front end of the intermittent upper swing assembly and multiple sets of plate conveying wheels fixedly arranged on the transverse shaft in a sleeving mode, the intermittent upper swing assembly is used for intermittently driving the transverse shaft to swing upwards to be close to the bottom wall of the grating platform, and the upper middle portions of the plate conveying wheels extend out of gaps of the grating platform to make contact with the bottom wall of a particle plate. Particle plates are pushed in place after the plate feeding wheels rotate, and arrangement of a large number of rollers is replaced.

The utility model relates to the technical field of flatness detection, and discloses a shaving board flatness detection device which comprises a supporting table and further comprises a movable plate located above the supporting table. The plate body can be effectively fixed through the arranged fixing assembly, so that the conditions of displacement and the like of the plate body are avoided, the position of the plate body can be effectively adjusted and moved through the arranged adjusting assembly, and the plate body can be collected through the arranged collecting assembly. The device can effectively collect and process particle impurities adhered to the outside of the plate body, can effectively clean dust, particles and other impurities adhered to the outside of the plate body through the arranged scraping and cleaning assembly, thereby preventing the dust, particles and other impurities from affecting the flatness detection result of the plate body, and can effectively improve the flatness detection accuracy through the arranged mounting assembly. A worker can conveniently disassemble and replace the sticking roller, and the overall practicability of the device is further improved.

The utility model belongs to the field of granulation equipment, and particularly relates to a granulation device for fertilizer production, which comprises a feeding pipe, a discharging shell is mounted on one side of the feeding pipe, a granulation plate communicated with the discharging shell is mounted in the feeding pipe, a control box is mounted on the other side of the feeding pipe, a driving motor is fixedly mounted on one side of the control box, and a motor is mounted on the other side of the control box. And a driving shaft is fixedly installed on an output shaft of the driving motor, a spiral material pushing plate is installed on the driving shaft and located in the feeding pipe, a discharging hole is formed in the inner wall of one side of the discharging shell, and a screening net is fixedly installed in the discharging shell. The fertilizer granulating device is reasonable in design, the spiral pushing plate, the cutting knife and the beating ball can be driven to rotate through the driving motor, raw materials extruded from the granulating plate can be cut off through the cutting knife, the purpose of fertilizer granulating is achieved, the screening net can be beaten through the beating ball, and the situation that the screening net is blocked can be avoided.

The present invention relates to the field of metal debris collection technology, specifically, to a metal debris collection and cleaning device. It includes a base, the top of the base is fixedly connected to an organic box and a collection box, the inside of the collection box is fixedly connected to a support plate near the top, and the end of the collection box is fixedly connected to a particle board. The debris is transported to the inside of the collection box by a conveying component, the metal debris entering the collection box is crushed by a crushing component, and the debris entering the collection box is classified and collected by a screening component. When the screening component is blown by wind, the blade of the crushing component is driven to flip, so that the crushing component can lift up large pieces of debris that have not been filtered out for secondary crushing while crushing the debris, thereby avoiding clogging of the screening component. At the same time, the blown debris collides between the crushing component and the collection box, making it easier to be acted upon by the crushing tool, thereby improving the uniformity and efficiency of the crushing.

The utility model discloses an efficient particle board raw material screening device which comprises a vibrating plate, a plurality of positioning rods are symmetrically connected into the vibrating plate in a sliding mode, limiting plates are installed at the upper ends and the lower ends of the positioning rods respectively, springs are symmetrically arranged on the outer surfaces of the positioning rods in a sleeved mode and located on the upper side and the lower side of the vibrating plate, and a vibrating motor is installed at the lower end of the vibrating plate. The upper end of the motor is provided with a gear. Raw materials roll in the annular filter cartridges to be screened, the raw materials are screened through the annular filter cartridges, the raw materials are classified according to different sizes and specifications, meanwhile, the raw materials are pushed by the spiral conveying piece to roll rightwards to be screened, the screened raw materials fall into the collecting frame, convenience and rapidness are achieved, and meanwhile the raw materials are not damaged. The vibration motor drives the annular filter cartridges to vibrate, so that the raw materials in the annular filter cartridges vibrate, and the screening efficiency of the raw materials is improved.

A structure of two sections of particle board each having a top surface respectively, constructed of a laminate sheet of a material such as plastic or polycarbonate affixed to the top surface of the two sections. The two sections each having an end portion mounted to the free ends of the two sections.

The utility model relates to the technical field of shaving boards, and discloses a shaving board with a heat preservation structure, which comprises an outer frame, one side of the outer frame is in sliding connection with a main body, two sides of the main body are in sliding connection with heat preservation plates, the surfaces of one sides, far away from the main body, of the two heat preservation plates are provided with storage grooves, and a plurality of heat preservation balls are arranged in the two storage grooves. The surfaces of the sides, close to the main body, of the two heat preservation plates are provided with restraining mechanisms used for restraining the heat preservation plates, connecting grooves are formed in the four corners of one sides of the outer frame, the main body and the heat preservation plates, and connecting mechanisms used for being connected with the main body are arranged in the four connecting grooves. According to the utility model, the plurality of heat-insulating balls are arranged in the heat-insulating plate, and due to the modeling arrangement of the heat-insulating balls, the proportion between the surface area and the volume can be reduced to the greatest extent, so that the heat transmission is reduced, and the plate can have a better heat-insulating effect.

According to the continuous flat pressing surface layer flame-retardant shaving board and the preparation method thereof, the combustion growth rate index of the flame-retardant shaving board can be reduced, and the influence of a flame retardant on the surface bonding strength of the shaving board is reduced. The method comprises the steps that raw material wood shavings are atomized at the same time, a melamine modified urea-formaldehyde resin adhesive with the mass accounting for 10-15% of the mass of the wood shavings and a sodium hydroxide aqueous solution with the mass accounting for 0.5-0.8% of the mass of the wood shavings and the concentration being 0.4-0.6 mol / L are applied, pretreated surface layer wood shavings are obtained, and the pretreated surface layer wood shavings and a surface layer flame retardant PAP-Mg-Zn are blended according to the mass ratio of 100: (15-17) to obtain flame-retardant surface layer wood shavings; after the flame-retardant surface layer wood shavings and the core layer wood shavings are laid in the mode that the surface layer wood shavings are located on the upper layer and the lower layer and the core layer wood shavings are located on the middle layer, continuous flat pressing treatment is conducted on a plate blank, the hot pressing speed is 220-250 mm / s, and therefore the continuous flat pressing surface layer flame-retardant shaving board is manufactured. Wherein the structural formula of PAP-Mg-Zn is shown in the specification. # imgabs0 #

The utility model belongs to the field of shaving board processing technology especially is a kind of shaving board cutting equipment, including processing table, the bottom of processing table is equipped with support seat, the upper end of processing table is equipped with two guide plates, two the guide plate between the common sliding connection has slide, the slide is equipped with cutting assembly in, one end of one guide plate is equipped with hydraulic cylinder, the telescopic end of hydraulic cylinder is connected with slide, the upper end of processing table is equipped with two sliding slot, and the positioning assembly is equipped on the processing table;Cutting assembly includes the limiting plate of being installed in slide, two sliding blocks are connected in the limiting plate on slidingly.The utility model is positioned to the middle part of the two sides of shaving board by the setting of positioning assembly, to ensure cutting stability;And by the setting of cutting assembly, the two sides of shaving board can be cut simultaneously, and the interval of two sides cutting is conveniently adjusted, cutting efficiency is improved, and flexibility is improved.

The invention relates to a method for manufacturing reusable concrete formwork panels and to a reusable concrete formwork panel in concrete casting. In order to provide a method for manufacturing concrete formwork panels which can be used multiple times and which is inexpensive to manufacture, and a concrete formwork panel, wherein the concrete formwork panel is also suitable for fair-faced concrete casting, a particle board or oriented strand board having two cover sides and side faces is first provided, a water-based two-component coating composition is then applied to at least one cover side in liquid form, wherein one component of the coating composition has a thermosetting carrier resin and the second component comprises at least one release agent component. Finally, the coated coating composition is cured in a hot press, thereby forming a closed coating on the particle board or oriented strand board.