30 results about "WOOD TREATERS" patented technology

The invention relates to the field of polymer adhesives, in particular to a latent single-component polyurethane hot melt adhesive, a preparation method thereof and an adhesive film. The latent single-component polyurethane hot melt adhesive comprises the following components (by weight): 70%-95% of polyurethane resin, 4.8%-29.3% of a closed curing agent, 0.01%-0.2% of an accelerant, and 0.01%-0.5% of an auxiliary agent. The latent single-component polyurethane hot melt adhesive disclosed by the invention has good bonding strength, heat resistance, hydrolysis resistance and the like; the preparation method is simple in process, low in cost and high in preparation efficiency, and has a prospect in industrial production; a latent single-component polyurethane adhesive film obtained by curingthe latent single-component polyurethane hot melt adhesive has good initial adhesion, excellent final adhesion and storage stability; and the product can be widely used in woodworking, textile, outdoor clothing, automobiles, electronics, household appliances and other industries.

The present application relates to a plywood film covering process and auxiliary device, and relates to the field of plywood production, which includes the following steps: Step 1, making a limit frame according to the size of the plywood; Step 2, installing the plywood in the limit frame; Step 3 1. Apply wood glue on the surface of the plywood, and then cover the decorative film; step 4, scrape off the air bubbles and excess wood glue between the decorative film and the plywood; step 5, separate the plywood and the limit frame, and cover the film The finished plywood is allowed to air dry. The present application has the effect of improving that the wood glue will flow to the side of the plywood after being scraped out.

The application discloses a numerically controlled lathe for woodworking, which relates to the field of numerically controlled lathes. It includes a machine base and a body mounted on the machine base. The blower on the side and the dust cover, the outer wall of the machine base is provided with a suction fan, the dust cover is connected to the inlet end of the suction fan, and the suction fan is provided with a sewage pipe connected to the inside of the waste tank. This application has the following advantages and effects: by adding a blower and a vacuum cover on the machine base, the guidance and directional collection of the splashed sawdust can be realized, the pollution of the sawdust to the working environment can be reduced, and at the same time, a relatively clean working environment can be provided for the workers to protect their health and safety. Lung health.

The invention discloses a reactive polyurethane hot-melt adhesive, which is composed of the following raw materials in parts by weight: 30-60 parts of polyether polyol, 20-40 parts of polyester polyol, 10-20 parts of polyisocyanate, hydroxyl-terminated acrylate ‑Carbonate copolymer resin 0.5-20 parts, water resistance enhancing additive 0.5-4 parts, catalyst 0.05-0.5 parts. The invention also provides a preparation method of the reactive polyurethane hot-melt adhesive. The reactive polyurethane hot-melt adhesive prepared by the present invention has excellent adhesion to plastics, metals, wood, glass, etc., and has good adhesion to low surface energy materials such as PP and PE, and has good heat resistance. The resistance to water or moisture is particularly superior, and it can be used in fields that require good adhesion to low surface energy materials and may be exposed to heat, water or moisture for a long time. It is suitable for automobile manufacturing, woodworking appliances, construction engineering, Electronic appliances and other fields have broad market prospects.

The invention relates to the field of polymer adhesives, in particular to a latent single-component polyurethane hot-melt adhesive and a preparation method and adhesive film thereof. The latent one-component polyurethane hot melt adhesive of the present invention comprises the following components by weight percentage: polyurethane resin 70%-95%; closed curing agent 4.8%-29.3%; accelerator 0.01%-0.2%; agent 0.01%-0.5%. The latent type one-component polyurethane hot-melt adhesive of the present invention has good bonding strength, heat resistance, hydrolysis resistance and other properties; the preparation method is simple in process, low in cost, high in preparation efficiency, and has prospects in industrial production; The latent one-component polyurethane film obtained by curing one-component polyurethane hot melt adhesive has good initial tack, excellent final tack and storage stability; it can be widely used in woodworking, textile, outdoor clothing, automobile, electronics, Appliances and other industries.

The invention provides a feeding wheel sorting device of a woodworking feeder, and belongs to the technical field of material sorting. The feeding wheel sorting device comprises a feeding mechanism, aconveying mechanism, a detecting mechanism and a sorting mechanism, wherein a feed inlet and a discharge outlet are formed in the feeding mechanism and used for accommodating feeding wheels; the feedend of the conveying mechanism is in butt joint with the discharge outlet of the feeding mechanism and used for receiving and conveying the feeding wheels output by the feeding mechanism; the detecting mechanism is in butt joint with the discharge end of the conveying mechanism and used for detecting the feeding wheels output by the conveying mechanism; and the sorting mechanism is in butt jointwith the discharge end of the detecting mechanism and used for sorting the feeding wheels detected by the detecting mechanism, and the feeding wheels sequentially pass through the feeding mechanism, the conveying mechanism, the detecting mechanism and the sorting mechanism. The feeding wheel sorting device of the woodworking feeder has the technical effects of high quality detection and sorting speed for the feeding wheels, high operating efficiency and capability of effectively reducing labor intensity of workers.

The invention discloses a dual-edge dual-way cutting numerical control wood turning tool. The dual-edge dual-way cutting numerical control wood turning tool mainly comprises a tool bar and a replaceable tool bit. The tool bar is formed by special tempered carbon steel. The tool bit is designed to be a forward and reverse dual-way symmetrical cutting edge. A main cutting edge and an auxiliary cutting edge are spaced. The tip of the auxiliary cutting edge is 0.1-0.2 mm closer to the machined surface compared with the tip of the main cutting edge, and the width of the auxiliary cutting edge is 1-3 mm. The tool cutting edge angle is 75-90 degrees, the tool minor cutting edge angle is zero, the edge inclination angle is zero or negative and is implemented through the inclination angle of the installation position of the tool bit in the tool bar, the anterior angle is about 45 degrees, the relief angle is 10-15 degrees, and the end relief angle is 1-2 degrees. The surface of a tool bit matrix is coated with one or more composite hard abrasion-resistant coatings through a vapor deposition method. The dual-edge dual-way cutting numerical control wood turning tool provided by the inventionperforms cutting easily, is low in cost and long in service life, and is used for the procedures of blank forming, outer circle turning, end face turning and the like of soft non-metal materials suchas wood and plastics.

The invention discloses a processing method of ostrich texture simulated leather. The processing method is characterized by comprising the following steps of flatly spreading a delimed and softened pelt on a pin board, wherein a grain side of the pelt is upward, and a flesh side is in contact with wood screws; afterwards, uniformly brushing a pattern fixing agent on a part, which is convex on thepin board, of the pelt, wherein the pattern fixing agent is at least brushed for 1 time; and after the brushing of the pattern fixing agent is finished, standing for at least 5min, and carrying out acid pickling, tanning, after-tanning wet processing and coating operation according to normal operation, thus obtaining an ostrich texture leather finished product. Distances among wood screws on the pin board are 2cm to 6cm; and the heights at which the wood screws protrude the plane of the pin board are 0.5cm to 3cm. The pattern fixing agent is an aldehyde solution with the pH (potential of Hydrogen) of 8.0 to 9.5; and the aldehyde solution is prepared from any one of formaldehyde with a mass friction of 40%, glutaraldehyde with a mass friction of 50%, modified glutaraldehyde with a mass friction of 45%, acetaldehyde with a mass fiction of 60% or furaldehyde with a mass friction of 50%. The delimed and softened pelt is any one of a cattle hide, a buffalo hide, a dzo hide or a yak hide. The method is simple, low in cost, high in operability, and moreover, easy in style change, and is used for producing ostrich skin pattern simulated leather with different characteristics.

The invention discloses an anti-oxidation coating for iron ditch working lining and a preparation method thereof, and relates to the technical field of preparation of blast furnace iron ditch protective materials. Its formula includes the following weight components: 50-60 parts of wood glue, 15-20 parts of brown sugar, Lightly burned magnesia 40-66 parts, carbon black 2-4 parts; water 40-45 parts. The preparation method of the anti-oxidation coating for the working lining of the iron ditch includes the following steps: S1. dissolving ammonium acetate in water to form an ammonium acetate aqueous solution; S2. stirring the wood glue at a speed of v=120r / min, and stirring in sequence Add brown sugar, lightly burned magnesia, aluminum powder, coke powder and carbon black to form a primary mixture; S3. add the ammonium acetate aqueous solution prepared in the S1 step while stirring to the primary mixture obtained in the S2 step, and stir Uniformly obtained finished paint. The invention has the technical effect of reducing the oxidation degree of carbon in the pouring material of the working lining of the iron trench, thereby improving the working performance of the lining of the iron trench and prolonging the service life of the lining of the iron trench.

The invention provides a multi-terminal interconnected agricultural cultivation and operation management system and method. The system comprises a raw material supply end, a material processing end and an outer pin end. The raw material supply end, the material processing end and the outer pin end are communicated with one another. The raw material supply end comprises a breeding unit and a planting unit, the material processing end comprises a food processing unit, a waste processing unit, a feed processing unit, a woodworking processing unit and an energy supply unit, and the export end comprises an online operation unit and an offline operation unit. According to the method, all links in cultivation and product operation of the breeding industry and the planting industry can be associated with one another, reutilization of waste is achieved, generation of an ecological circulation chain is also facilitated, and environmental pollution is effectively avoided.

The invention relates to processing machinery for producing edible fungi culture materials, in particular to a double-use plant material cutting grinder. The grinder comprises a frame, a cutting-grinding chamber arranged on the frame, a feeding hopper, a material outlet, a power device and a variable-speed transmission mechanism, wherein a public blanking hopper is directly arranged below the cutting-grinding chamber, namely at the bottom of a filter screen; a centrifugal material-sucking fan device is arranged in the public blanking hopper; the centrifugal material-sucking fan device consists of a pair of air impellers arranged on two sides of the same centrifugal fan main shaft ; and an air outlet of the centrifugal material-sucking fan device is communicated with the material outlet. The grinder can cut and grind straw of various plant materials, weeds, branches, woodwork shavings and other soft / hard raw materials, and helps to directly and smoothly suck out raw material particles even with high water content, thereby achieving the effects of reducing energy consumption, simplifying process and improving production efficiency.

The invention discloses a production technique for an environment-friendly wood plywood. The production technique for the environment-friendly wood plywood includes steps that (1) pre-processing log; (2) planning and burring to form square plates; (3) preparing adhesive for latter use; (4) using the square plates as an upper panel, a lower panel and a middle core plate, bonding adhesive, hot pressing to form a base plate, and sanding to obtain a finished product. The production technique for the environment-friendly wood plywood uses slab and short and small material as the raw material of the plate core, the slab and short and small material are combined through special adhesive, and the produced core plate is large, flat in surface, difficult to deform and low in production cost. When preparing adhesive solution, flour, wood powder, bentonite and the like are added to decompose free formaldehyde, and the environment protection is realized. The production technique greatly improves the outturn percentage, simplifies the technique, improves the product use intensity and quality and has broad market prospect.

The invention belongs to the technical field of adhesives, and relates to a long-open-time woodworking adhesive based on maltose syrup modified polyvinyl acetate emulsion. When the adhesive is prepared, firstly, polyvinyl alcohol and maltose syrup serve as a protective colloid, vinyl acetate serves as a monomer, ammonium persulfate serves as an initiator, the polyvinyl acetate emulsion is preparedby a seed emulsion polymerization process, and secondly, edible seaweed powder is added into copolymer emulsion. According to the polyvinyl acetate woodworking adhesive, water serves as a dispersionmedium, use is convenient, environments cannot be polluted, and the woodworking adhesive has the advantage of long open time as compared with a traditional polyvinyl acetate woodworking adhesive withthe same solid content.