618results about "Veneer presses" patented technology

The invention relates to the technical field of hot-press forming devices, and discloses an efficient hot-press forming device and process for a cedar homogeneous plate, the efficient hot-press forming device comprises a rack, two hydraulic cylinders are mounted on the rack, the output ends of the two hydraulic cylinders are fixedly connected with a pressing plate, an upper die is fixedly mounted on the bottom surface of the pressing plate, and a lower die is mounted on the rack; the rolling assembly is used for rolling and flattening the plate; the positioning assembly is used for centering and positioning the plate; and the sealing assembly is used for sealing a gap between the upper die and the lower die during hot pressing. Through the arrangement of the calendaring assembly, the two pressing rollers roll the surface of the plate from the middle to the two sides before the upper die makes contact with the plate, so that the local protruding and bulging parts are flattened, when the upper die makes contact with the plate, the surface of the plate can keep certain flatness, and it is ensured that stress is uniform during hot pressing.

The present invention discloses an intelligent high-rise multi-board automatic hot press, which is characterized in that: it includes a frame, on which there are successively arranged an inlet board storage device, a rotary push board robot, a hot pressing device, an outlet board storage device and a control system from the inlet board end to the outlet board end. The hot pressing device includes at least one hot press platen base plate, a lifting hot pressing device, a lower workbench, at least three unit hot press plates with different lengths and equal widths, and a heating device. The rotary push board robot is controlled by the control system. The upper end surface of the hot press platen base plate is a stepped support surface. The unit hot press plates are successively stacked upward at intervals and are separably seated on different surfaces of the stepped support surface of the hot press platen base plate, so as to form a hot press space between adjacent unit hot press plates. The present invention has the advantages of high automation degree, no need for manual handling, high processing quality, high working efficiency, fast inlet and outlet board speeds, high hot pressing working efficiency, fast output speed, etc.

The invention provides bamboo recombination unit whole piece paving equipment and technological method.The equipment comprises conveying belts, quilting machine heads, a winding device and a cutting device, the multiple conveying belts are installed on a rack, bamboo recombination units are conveyed on the conveying belts, the quilting machine heads are installed above the conveying belts, the winding device is arranged in front of the conveying belts, and the cutting device is arranged on the rack. A cutting device is arranged below a conveying outlet of the conveying belt. The process mainly comprises the following steps of: overlapping, overlapping and conveying bamboo recombination units from a drying procedure, sewing the bamboo recombination units into bamboo curtains, rolling, cutting and paving, and detecting the moisture content and the overlapping density of the bamboo recombination units. The device is scientific and reasonable in structural design, can efficiently and quickly sew bamboo recombined units to form a bamboo curtain and pave and assemble the bamboo curtain, is high in processing efficiency and good in overall flatness, reduces the labor intensity of workers, improves the continuous level of recombined material preparation, is beneficial to improving the performance of recombined bamboo materials, and is high in practicability and good in economic benefit.

The utility model discloses a wood board processing press-fit device which comprises a processing table, fixing plates are symmetrically and fixedly installed on the top of the processing table, supporting plates are symmetrically and fixedly installed between the lower ends of the two fixing plates, and a heating table is fixedly installed between the tops of the two supporting plates. Electric cylinders are fixedly mounted on the periphery of the top of the machining table, and a lifting plate is fixedly mounted among the output ends of the four electric cylinders. Due to the arrangement of the electric cylinders, the lifting plate, the pushing roller assembly and the like, when the output ends of the four electric cylinders synchronously drive the lifting plate to move downwards to press a wood board, the pressing plate in the middle of the bottom of the lifting plate and the pressing rollers which are obliquely and symmetrically arranged on the two sides of the pressing plate are arranged; in the downward pressing process, the two symmetrical pressing rollers can roll and extrude the two ends of the wood boards respectively, gas between the two wood boards is extruded out, the problem that bubbles appear between the two wood boards due to uneven glue coating is solved, and the product quality is further improved.

The invention discloses a hot pressing device with a temperature control structure and a temperature control method, and belongs to the technical field of plywood processing, the hot pressing device comprises a rack, and hot pressing plates are uniformly arranged in the rack. The temperature control mechanism is arranged at the end of the machine frame, in the temperature rising process, according to the temperature difference and air pressure changes of the two ends of the interior of the first hollow pipe, movement of the piston can be controlled, the opening size of the flow dividing pipe is increased, the steam inlet amount is increased, and the hot pressing plate is rapidly heated; the temperature difference between the two ends of the first hollow pipe is reduced, the air pressure area is stable, a tension spring controls a piston to reset, stable air inflow is conducted on the flow dividing pipe, in addition, when steam exhausted by the flow collecting pipe is too high, due to deformation of a bimetallic strip, a partition plate can be controlled to move towards the interior of the flow dividing pipe, the air inflow amount is reduced, and therefore the temperature is prevented from being too high; and temperature control adjustment can be automatically carried out, the functionality of the device is improved, and the quality and speed of hot pressing are guaranteed.

The invention relates to the technical field of veneer processing, and discloses a plate processing hot press which comprises a machine base and a supporting frame fixed to the upper portion of the machine base, a hydraulic rod is fixed to the supporting frame, the telescopic end of the hydraulic rod is connected with a push plate, the face, close to the machine base, of the push plate is connected with a connecting plate, and a hot pressing plate is fixed to the face, away from the hydraulic rod, of the connecting plate. An electric heating wire is embedded in the hot pressing plate, a supporting plate is arranged between the machine base and the hot pressing plate, a control screen is fixed to the outer side of the machine base, and the force buffering part is arranged on the push plate and the connecting plate to prevent the plate from being crushed; the row moving part is arranged on the machine base and connected with the supporting plate and the connecting plate; the row moving part comprises a top guide piece and a pull-push piece; the top guide piece comprises a moving guide part; the shoveling and cleaning part is arranged on the machine base; the formed veneer is pushed to move through cooperation of the external force pulling and pushing part for upward movement of the hot pressing plate and the guiding and moving part, the supporting plate is made to incline through cooperation of the moving external force and the guiding and ejecting part, and the formed veneer on the supporting plate is moved out and taken down through the inclination angle.

The invention relates to the technical field of press machines, and discloses a press machine for plywood production, which comprises a platform and further comprises a U-shaped frame, two vertical edges of the U-shaped frame are fixedly mounted at the top of the platform, and the interior of the platform is hollow; the pressing plate is horizontally arranged between the platform and the transverse edge of the U-shaped frame, and the interior of the pressing plate is hollow; the first adsorption assembly is arranged on the platform, and the first adsorption assembly is used for adsorbing the bottom of the pressed plywood; and the second adsorption assembly is arranged on the pressing plate, and the second adsorption assembly is used for adsorbing the top of the pressed plywood. According to the plywood press-fit equipment, when plywood is pressed, plates at the top and the bottom of the plywood can be automatically adsorbed, in addition, after press-fit is finished, the plywood subjected to press-fit can be automatically subjected to adhesion strength detection, the plywood has a self-detection function, and then the using effect of the equipment is improved.

The utility model discloses a veneer repairing device which comprises a conveyor, a feeding mechanism, a visual identification device, a wood chip placing table, a first mechanical arm, a second mechanical arm, a hot press and a controller. The visual identification device is used for carrying out visual identification on the veneers conveyed by the conveyor so as to mark the positions of the defects on the veneers when the identified veneers have the defects, the wood chip placing table is used for placing wood chips used for repairing the defects of the veneers, and the first mechanical arm is used for placing the wood chips on the wood chip placing table to the defect positions of the veneers; a hot press is arranged on the second mechanical arm, and the hot press is driven by the second mechanical arm and hot-presses the wood chips placed at the defect positions of the veneers. The production efficiency can be improved, errors caused by human factors can be reduced, the product quality can be improved, and important significance is achieved for improving the wood production efficiency, reducing the labor cost, improving the product quality and promoting technical innovation.

The utility model discloses an efficient oil pressure type plywood continuous forming press which comprises an installation frame, first oil cylinders are fixedly arranged on the outer walls of the two sides of the installation frame respectively, installation plates are fixedly arranged at the output ends of the two first oil cylinders respectively, limiting assemblies are arranged on the two installation plates respectively, and a U-shaped frame is fixedly arranged on the installation frame. A second oil cylinder is fixedly arranged at the top of the U-shaped frame, a sleeve is fixedly arranged at the output end of the second oil cylinder, a telescopic column is arranged at the bottom end of the sleeve, a connecting plate is fixedly arranged at the bottom end of the telescopic column, a plurality of U-shaped plates are fixedly arranged on the connecting plate, and pressing rollers are arranged on the U-shaped plates. The output end of a second oil cylinder drives a sleeve to move downwards, the multiple pressing rollers make contact with plywood to press the plywood, continuous pressing is conducted through the multiple pressing rollers, it is guaranteed that the pressure is evenly applied, the continuity is high, a first spring is arranged, a telescopic column can be buffered upwards, then the pressure applied to the plywood by the multiple pressing rollers cannot be overloaded, and the service life of the plywood is prolonged. And the plywood is prevented from being damaged.

The structure can be formed by wrapping one or more densified, lignin-impaired wood veneers wrapped around a central axis. The wrapped wood veneers can form a circumferentially extending wood wall. The adhesive can be provided on one or more surface portions of each wood veneer. The wood veneers can be lignin-impaired by in situ lignin modification, partial delignification, or full delignification. The circumferentially extending wood wall can form a hollow member, for example, a tube, pipe, cup, tank, or bottle. Alternatively, the circumferentially extending wood wall can surround a central member, for example, to form a rod, bat, club, or dowel.

The invention relates to the field of plate hot pressing, and discloses a plate hot pressing device which comprises at least one set of hot pressing plate assemblies. The phase change heat storage tank is in thermal coupling connection with the hot pressing plate assembly and used for storing waste heat; the plate preheating bin is arranged at the feeding end of the hot pressing plate assembly and is in hot connection with the phase change heat storage tank; the hot pressing plate assembly sequentially comprises a pressing plate base body plate layer used for supporting a load and transmitting pressure to the surface of a plate; the micro-channel plate layer is internally provided with double flow channels, heating fluid and recycling fluid flow in different flow channels respectively, captured waste heat is stored in the phase change heat storage tank, and the micro-channel plate layer is fixedly arranged on the heat transfer surface of the pressing plate base body plate layer; and the heat insulation protection plate layer is fixedly arranged on the non-heat-transfer surface of the micro-channel plate layer. According to the hot press plate waste heat recovery system, in-situ capture and utilization of waste heat in the plate pressing-cooling process are achieved by constructing a micro-channel heat exchange network in the hot press plate, and the waste heat recovery efficiency is remarkably improved.

The invention relates to the technical field of plywood shaping, in particular to a container bottom plate plywood shaping device which comprises a supporting hydraulic base, a clamping and fixing mechanism is fixed to the upper end of the supporting hydraulic base, and a PLC is fixed to the clamping and fixing mechanism; and the pressure forming mechanism is arranged above the clamping and fixing mechanism. The planeness of the plywood can be detected through rolling of the pressure sensor making contact with the plywood, when it is detected that protrusions exist on the surface of the plywood, the pressure sensor can immediately transmit electric signals to the PLC, and after the PLC receives the electric signals, the hydraulic oil pumping device and the electric telescopic rod are rapidly controlled, so that the flatness of the plywood is detected. According to the automatic detection and treatment method, the motor drives the pressurizing roller to generate high downward pressure, and meanwhile, the motor rotates forwards and backwards repeatedly to drive the pressurizing roller to roll the convex part repeatedly, so that the convex part is repaired, and the automatic detection and treatment method greatly improves the detection and treatment efficiency.

The manufacturing method of the laminated directional batten bearing type bamboo-wood composite material comprises the following steps: (1) preparing raw materials; the whole chordwise bamboo strip mat, the radial bamboo strip curtain, the directional battens and the wood veneers are prepared according to process requirements, and wear-resistant layer materials are selected. And (2) paving a plate blank. And paving the whole-piece wood veneer, the non-whole-piece wood veneer, the radial bamboo split curtain, the directional batten, the radial bamboo split curtain, the non-whole-piece wood veneer, the whole chordwise bamboo split mat and the wear-resistant layer in sequence from bottom to top. And (3) hot press molding. The hot press can be an intermittent single-layer hot press or an intermittent multi-layer hot press; the hot pressing mode is a'cold feeding-cold discharging 'hot pressing forming process, namely the procedures of'feeding, heating, heat preservation and hot pressing, cooling and pressure relief and discharging'; the hot pressing process is divided into three stages, namely pressure boosting, pressure maintaining and unloading, in the pressure maintaining stage, the unit pressure of a press is 1.5-8Mpa, and the temperature of a hot pressing plate is 140-220 DEG C. And (4) longitudinally and transversely cutting edges to be processed into specification materials. And the thickness is 15-40mm, the common breadth is 1220 * 2440mm, and a specific breadth can be made as required. The bamboo-wood composite board has the advantages that bamboo wood and wood are used as main raw materials, leftover materials obtained through wood processing are combined, the physical and mechanical properties of the product are better than those of natural wood boards or other wood-based artificial board materials, and the bamboo-wood composite board can be widely applied to vehicle and ship bottom boards, container bottom boards and boards in other load-bearing occasions.

The invention discloses a plywood pressing device and method in the technical field of plywood machining, and the plywood pressing device comprises a rack, a pressing assembly, a residual glue cleaning assembly, an excessive glue scraping assembly and an excessive glue collecting assembly. The pressing assembly is started to drive the two pressing rollers to get close to each other from the two sides of the plywood and press the plywood, in the pressing process, overflowing glue on the two sides of the plywood is scraped through the overflowing glue scraping assembly, and the scraped overflowing glue is cleaned and collected through the overflowing glue collecting assembly; residual glue on the surface of the pressing roller is cleaned through the residual glue cleaning assembly, overflowing glue can be continuously cleaned and collected in the plywood pressing process, the residual glue on the surface of the pressing roller is cleaned after the plywood is pressed every time, and the residual glue is prevented from being left on the surface of the pressing roller; and the surface of the plywood is damaged in the subsequent pressing process.

The invention relates to an antibacterial and mildew-proof wood-bamboo scrimber and a preparation method thereof. According to the preparation method, the pretreated wood-bamboo veneer is defibered through sodium hydroxide and hydrogen peroxide, so that part of starch and carbohydrates can be removed, and mildew is reduced. The prepared inorganic-organic antibacterial and mildewproof composite additive not only realizes a synergistic antibacterial and mildewproof effect and reduces the usage amount, but also realizes broad-spectrum antibacterial effect on bacteria and fungi. The prepared fibrillated wood-bamboo veneer is subjected to alkali / thiourea low-temperature treatment, cellulose can be promoted to be dissolved and regenerated under the action of acid, cellulose fibrils are formed on the surfaces of fibers, the specific surface area is increased, meanwhile, stable coating of the inorganic-organic antibacterial mildew-proof composite additive is improved, and in the pressurizing and forming process, the specific surface area is increased. And antibacterial and mildew-proof effective components are prevented from being lost, and a lasting effect is achieved. The antibacterial and mildew-proof wood-bamboo scrimber prepared by the preparation method disclosed by the invention not only is good in mechanical property, but also has outstanding and long-term antibacterial and mildew-proof properties.

The invention discloses an automatic plate feeding and discharging machine of a narrow-interlayer-spacing hot press and a using method, and the automatic plate feeding and discharging machine of the narrow-interlayer-spacing hot press comprises a rack and a bearing frame with a multi-layer structure; the first push rod assembly is aligned with the feeding position of the hot press and pushes out a finished product plate; the position changing assembly is used for driving the rack to be switched between the working station and the cleaning station; and the second push rod assembly comprises a second lifting driving assembly, a second horizontal driving assembly and a second push frame of a multi-layer structure, the second push frame can sink into the bearing frame so that the to-be-machined plate can enter the bearing frame, the second lifting driving assembly drives the second push frame to be aligned with the feeding position of the hot press, and the second horizontal driving assembly drives the to-be-machined plate to enter the hot press. The plate pushing-out operation and the plate pushing-in operation are separated, the pushing plate is compact in structure and suitable for placement of narrow-interval plates, the number and efficiency of single-time hot-pressing machining plates are improved, the rack is designed to be movable, the table top of the hot press can be cleaned after the finished plates are pushed out, and the machining quality and the product stability are guaranteed.

The invention relates to the field of multilayer board manufacturing, in particular to a laminating device for multilayer board manufacturing and a laminating method.The laminating device comprises a fixed bottom frame, a fixed top plate is arranged above the fixed bottom frame, a mounting column is arranged at the bottom end of the fixed bottom frame, and an assembly column is fixedly arranged at the top end of the fixed top plate; a liftable press-fit assembly is arranged between the fixed bottom frame and the fixed top plate, and a moving assembly for taking and placing a multi-layer plate is arranged in the middle of the top end of the fixed top plate. New equipment units can be added at any time according to production requirements, so that rapid expansion and adjustment of a production line are achieved, meanwhile, the problems of uneven pressure, bubble residues, poor curing and the like in a traditional pressing process are solved, it is ensured that each multi-layer board can reach an ideal state, automatic taking and placing of the multi-layer boards are achieved, and the production efficiency is improved. Manual intervention is reduced, and production efficiency and safety are improved.

The invention discloses a preparation method for plasticizing and forming a flexible thin bamboo veneer, and belongs to the technical field of processing and application of biomass materials. The method comprises the following steps: soaking a thin bamboo veneer in a polyethylene glycol solution, and drying to obtain a polyethylene glycol impregnated material; uniformly coating the surface of the polyethylene glycol impregnated material with a silane coupling agent, and drying to obtain a coupling agent modified thin bamboo veneer; and hot-pressing and compounding the modified thin bamboo veneer and a hot melt adhesive to obtain the thin bamboo veneer composite material. Through pretreatment of the thin bamboo veneer and process optimization of hot-pressing compounding of the thin bamboo veneer and the degradable material, the tensile elastic modulus reaches 6654.41 N / mm < 2 >, the transverse flexibility and the water resistance are remarkably improved, and the application field of the thin bamboo veneer is expanded.

The invention discloses a high-strength stain-resistant melamine veneer and a preparation method thereof, and belongs to the technical field of veneer preparation. The preparation method of the high-strength stain-resistant melamine veneer comprises the following steps: step 1, adding melamine and a nano reinforcing agent into distilled water, uniformly stirring and mixing to obtain a mixed emulsion, putting impregnated paper into the mixed emulsion, soaking, and taking out to obtain composite impregnated paper; 2, a hard fiberboard is selected as a base material, the composite impregnated paper is flatly placed on the surface of the base material, then the base material is placed on a pressing machine, hot pressing and cooling are conducted, and a melamine-containing veneer is obtained; and 3, the surface of the melamine veneer is sprayed with a stain-resistant coating, drying is conducted, and the high-strength stain-resistant melamine veneer is obtained. The veneer prepared by the method has excellent strength and stain resistance.

The invention relates to the technical field of plywood cold pressing, and discloses a plywood cold pressing glue cold pressing process which comprises the steps of wood board slitting, wood board drying, veneer gluing, blank assembling and cold pressing, the assembled boards are placed on a cold press, the assembled blanks are pressed through the cold press with the stable pressure, the pressure is kept at 1.2 MPa, the pressing time is 4-12 hours, the assembled blanks are turned over, and the plywood cold pressing glue cold pressing process comprises the steps of wood board cutting, wood board drying, veneer gluing, blank assembling and cold pressing. The back side of the group blank is pressed, the pressure is kept at 1.2 MPa, the pressing time is 2-6 hours, the plate stands for 24-48 hours after pressure relief, and the adhesive is completely cured. According to the cold pressing technology for the cold pressing glue of the plywood, through pressing fit of the upper side and the lower side of the plywood, the plywood is attached more tightly, the veneers of the plywood are not prone to cracking and separating, the plywood is not prone to deformation due to double-face pressing fit, and the quality of the plywood is improved.

The hot-pressing equipment for plywood production comprises a hot-pressing mechanism and a limiting mechanism, and the limiting mechanism is arranged on the side face of the hot-pressing mechanism; the hot pressing mechanism comprises a plurality of microwave heating plates and a plurality of middle partition plates arranged at intervals with the microwave heating plates, the microwave heating plates and the middle partition plates are connected with a limiting mechanism, and the limiting mechanism is used for limiting gaps between the adjacent microwave heating plates and middle partition plates; the microwave heating plate comprises a microwave generator used for heating the plate, the middle partition plate is provided with a cavity and through holes, and the through holes are formed in the two side faces of the cavity. Steam generated in the plate hot pressing process is discharged through the cavity and the through holes. And through the synergistic effect between the microwave heating plate and the middle partition plate, it is ensured that the pressure applied to the plate is evenly distributed, and the production efficiency of plate hot pressing and the quality of a final product are further improved.

The invention relates to the technical field of wood processing, and discloses hot pressing equipment for wood plywood processing, which comprises a working box, the top of the working box is fixedly connected with a supporting column, a pressurizing mechanism comprises a mounting box, the mounting box is fixedly connected with the top of the working box, and the top of the mounting box is fixedly connected with a telescopic rod. The top of the telescopic rod is fixedly connected with a supporting arm, the end, away from the telescopic rod, of the supporting arm is fixedly connected with a pressing rod, the compression assembly comprises a side plate, the side plate is fixedly connected with the bottom of the pressing rod, and the two ends of the side plate are fixedly connected with telescopic columns. By arranging the pressurizing mechanism, when the hot-pressing device generates hot pressing on the surface of the plywood, the surface of the hot-pressing plate generates vibration deviation, and due to the fact that one end of a telescopic column is fixed in an inserting pipe, when vibration is generated on the surface of the hot-pressing plate, a buffer ring can be driven to shake in the inserting pipe; and a plurality of buffer films on the surface of the buffer ring are used for buffering vibration, so that the stability of the plywood during hot pressing can be enhanced.

The utility model discloses a plate pressing machine with an automatic cleaning device, relates to the technical field of plate production, and solves the problems that a plate extruding machine is provided with a multi-layer structure, so that sufficient wind power cannot be ensured on each layer, the cleaning effect of an extruding area of the plate pressing machine cannot be ensured, and the limitation is relatively large. The utility model discloses a plate press with an automatic cleaning device. A rectangular groove structure is formed in the front side of the extruding machine; a mounting frame is fixedly arranged at the top of the extruding machine, and the mounting frame is of a rectangular frame structure; an air blower is slidably arranged at the inner bottom of the mounting frame; the bottom of the air blower is rotationally connected with a shear fork mechanism. Air outlet channels are fixedly arranged on the rear side of the middle of the shear fork mechanism at equal intervals, and all the air outlet channels are connected with an air blower through pipelines. And the neatness degree of the extrusion plate is kept, so that the wood board processing quality is guaranteed, and the reliability of wood chip impurity cleaning is improved.

The utility model discloses a glue pressing device for wooden furniture processing, which belongs to the technical field of wooden furniture processing, and comprises a support frame, a glue pressing box is arranged on the support frame, a fixed frame is arranged on the support frame, a threaded sleeve is arranged on the fixed frame, a screw rod is in threaded connection with the inside of the threaded sleeve, and two telescopic rods are arranged in the fixed frame. According to the glue pressing device for wood furniture processing, through the arrangement of a lead screw, a cleaning plate, an electric push rod, a guide plate and an anti-deviation wheel, under the mutual cooperation of the lead screw, the cleaning plate, the electric push rod, the guide plate and the anti-deviation wheel, the situation that dust and wood dust particles are possibly pressed into the surface of a plate is further avoided; and meanwhile, a lead screw drives a cleaning plate to make close contact with the plates so that dust and wood dust particles on the surfaces of the plates can be cleaned, an anti-deviation wheel drives the plates to move in a guiding and limiting mode, the cleaning process of the plates can be conducted stably, and the glue bonding effect after glue pressing is guaranteed.

The invention relates to the technical field of hot presses, and discloses an energy-saving and environment-friendly non-prepressing plywood hot press which comprises a base, an outer side limiting and fixing adjusting mechanism is arranged at the top of the base, a splicing limiting and fixing mechanism is arranged at the top of the outer side limiting and fixing adjusting mechanism, and a hot pressing mechanism is fixedly installed on the outer side of the base. According to the energy-saving and environment-friendly pre-pressing-free plywood hot press, when a plurality of plywood needs to be limited, inserting rods are inserted into limiting front plates, at the moment, environment-friendly splicing front plates can be fixed through fastening bolts, after splicing is completed, environment-friendly splicing side plates are aligned with limiting sliding strips, and then splicing and fixing of the environment-friendly splicing side plates can be completed; by means of the splicing type design, the hot press can be limited according to the height of the plywood, sliding of the plywood caused by glue is avoided, the plywood can be spliced upwards according to the needed limiting height, meanwhile, mounting and dismounting are convenient and fast, using is convenient, and the function that the limiting height of the plywood is adjusted according to needs is achieved.

The plate heating equipment comprises a first heating cabinet and a second heating cabinet, the first heating cabinet comprises a cabinet body and a radiation heating assembly arranged in the cabinet body, the radiation heating assembly comprises a plurality of radiation heating parts, and the radiation heating surfaces of the radiation heating parts face a first cabinet opening of the first heating cabinet; the second heating cabinet and the first heating cabinet are the same in structure, the orientation of a second cabinet opening is opposite to the orientation of a first cabinet opening, and a plate heating gap is formed between the second heating cabinet and the first heating cabinet; and the plurality of radiation heating parts are provided with independently controlled temperature control devices. According to the plate heating equipment, the plurality of radiation heating parts are arranged in a dispersed manner and are provided with the independently controlled temperature control devices, so that each radiation heating part can independently control the temperature, the partition temperature control of the plate heating equipment is realized, the temperature control is more accurate, the production cost is reduced, and the production efficiency is improved. And heating of plates with different sizes can be matched through partition control.

The utility model discloses hot-pressing equipment for core-board processing, which comprises a support plate, the bottom of the support plate is fixedly connected with a plurality of support legs, the top of the support plate is fixedly connected with a support seat, the top of the support seat is fixedly connected with a hot-pressing table, and the hot-pressing table is fixedly connected with a base. A pair of first sliding grooves and a pair of second sliding grooves are formed in the surface of the hot-pressing table, a first positioning mechanism and a second positioning mechanism are arranged on the left side, the right side, the front side and the rear side of the hot-pressing table respectively, a fixing frame is fixedly connected to the top of the supporting plate, and a hot-pressing mechanism is arranged on the fixing frame. According to the utility model, the middle-layer veneer and the surface-layer veneer can be ensured to be accurately aligned and not misplaced in the stacking process, the phenomenon that the hot-pressing plate cannot be kept horizontal in the hot-pressing process due to the fact that pressing force is concentrated at one point can be avoided, and the surface temperature of the hot-pressing plate can be uniformly distributed; and it is ensured that heat can be sufficiently and evenly transmitted to the plate through the hot pressing plate during hot pressing.

The utility model relates to the technical field of plate pressing machines, and provides a positive plate pressing machine convenient for pressing, which comprises a fixed base, and a push plate frame I is arranged on the outer side wall of the fixed base; the pressing mechanism comprises an adjusting frame, the adjusting frame is installed at the top end of the fixed base, a separating plate is installed at one end of the middle of the adjusting frame, a second motor is installed on the outer side of the middle of the adjusting frame, the output end of the second motor is fixedly connected with a reticulate pattern gluing steel roller, and a glue storage tank is installed on the outer side wall of the adjusting frame; a glue outlet of the glue storage tank is connected with the reticulated gluing steel roller through a guide pipe; the bottom of the upper end plate of the reticulate pattern gluing steel roller is matched with the discharging ports in the upper end and the lower end for gluing, adhesion between the upper plate and the lower plate can be facilitated, adhesion is carried out after gluing is completed, and the bonding efficiency of glue can reach the highest; and glue on the upper plate can be prevented from being adhered to other places in the descending process.

A structure can be formed by wrapping one or more densified, lignin-compromised wood veneers wrapped around a central axis. The wrapped wood veneers can form a circumferentially-extending wood wall. A glue can be provided on one or more surface portions of each wood veneer. The wood veneers can be lignin-compromised by in situ lignin modification, partial delignification, or full delignification. The circumferentially-extending wood wall can form a hollow member, for example, a tube, pipe, cup, tank, or bottle. Alternatively, the circumferentially-extending wood wall can surround a central member, for example, to form a rod, bat, club, or dowel.

The application discloses an environment-friendly composite pear-wood floor processing device and a production method thereof, and relates to the technical field of wood floor processing, in particular to an environment-friendly composite pear-wood floor processing device. The environment-friendly composite pear-wood floor processing device comprises a bottom supporting block, a supporting frame is fixedly installed above the bottom supporting block, a hydraulic mechanism is fixedly installed on the top surface of the supporting frame, a pressing block is fixedly connected to the bottom end of the output shaft of the hydraulic mechanism, and a fixed limiting block is fixedly installed on the left side and the right side of the top surface of the bottom supporting block. The rear limiting block and the front limiting block can be limited through the cooperation of the movable limiting sleeve and the telescopic column, the front limiting block, the rear limiting block and the two fixed limiting blocks are limited, the superposition state is maintained during the pressing process of the wood layers, the subsequent cutting is avoided, the strength of the pressed floor is effectively ensured, and the quality of the product is improved.