32results about How to "Will not warp" patented technology

The invention discloses an efficient energy-saving microstructural light guide plate, a planar light emitting device provided with the light guide plate, a liquid crystal display device, liquid crystal display terminal equipment and a manufacturing method of the light guide plate. A scattering pattern structure on the bottom plane of the light guide plate is formed by providing a colorless and transparent adhesive glue pattern layer on the bottom plane of the substrate, a stereoscopic microstructural scattering pattern layer is obtained by planting and sticking a plurality of mini scattering particles on the adhesive glue pattern layer, all or part of the planted and stuck mini scattering particles is bared and protrudes at the surface of the adhesive glue pattern layer, a part of the mini scattering particles, which is bared and protrudes at the surface of the adhesive glue pattern layer, is embedded into the colorless and transparent adhesive glue pattern layer, and is firmly bonded by the adhesive glue, and the other part of the mini scattering particles is bared and protrudes outside the colorless and transparent adhesive glue pattern layer. After adopting the light guide plate, a brightness increase rate of the planar light emitting device is more than 20%. According to the light guide plate prepared by the invention, the light guide plates in small, middle and big sizes can be manufactured at high quality, and the brightness increase rate of the light guide plate is fully realized.

The invention provides a van body type oil cylinder seat of a filter press. The van body type oil cylinder seat is provided with an upper main plate and a lower main plate; middle parts of the upper main plate and the lower main plate are welded with a vertical rib plate and a transverse rib plate to form an oil cylinder seat main body; the two ends of the oil cylinder seat are welded with baffles to form a main beam groove; a front panel and a rear panel are welded at the two ends of the main body; the front panel and the rear panel are provided with oil cylinder body holes; closing plates are welded at the rear two sides of the main body to form the van body type oil cylinder seat; a square tube type supporting leg is arranged at the lower end of the oil cylinder seat; a transverse pull rod is arranged in the middle of the supporting leg; the lower end of the supporting leg is welded with a bottom plate. According to the van body type oil cylinder seat disclosed by the invention, the structure is reasonable and the bearing strength is great; the structure is tightly pressed by hydraulic pressure and high pressure and the fatigue durability is strong; when the van body type oil cylinder seat is tightly pressed and stressed, the oil cylinder seat is not warped and can not deform; a main beam is firmly mounted, and a pressing plate and a thrust plate reach designed parallelism; when materials are filtered, a filtering plate does not leak materials; the arranged supporting leg is welded with a transverse pull plate and a bottom plate and is mounted stably, so that the van body type oil cylinder seat is firm is structure and is safe to use.

The invention relates to a preparation method of twisted-earth ceramic, and belongs to the technical field of twisted-earth ceramic. The porcelain clay is aged by milk, and a coloring agent is added,so that plasticity is improved, and a cracking phenomenon caused by poor plasticity is reduced; a double-sided multi-directional hand rolled sheet shaped like a Chinese character "mi" is adopted, andthickness and uniformity, and trend of grains are controlled, so that the grains and the body cannot be warped and deformed; a mud strip mechanism is used to manufacture geometric continuous patterns,the length of mud strips can reach several meters, and the mud strips can be used to manufacture large-area twisted-earth ceramic or inserted ceramic; geometric patterns are different in change and uniform in rule; waste of corner mud materials is effectively avoided, and zero loss can be almost realized; a printing blank or mud plate forming method is adopted, so that blank repairing is not needed, and waste is avoided. Therefore, raw material cost is reduced, resources are saved, the environment is protected, and meanwhile, a great of resources and manpower are saved. Meanwhile the rate offinished products is improved to the maximum extent, the efficiency is higher than efficiency of manual production of twisted earth, the completion degree of images is higher than the completion degree of hand painting, and low-cost manufacturing or batch production is realized.

The present invention first uses acrylic acid to modify wood powder, and then polyvinyl chloride plastic particles, acrylic acid modified wood powder, benzoic acid, POE-g-MAH, PET fiber, bis-tert-butyl peroxide cumene, and azodimethyl Amide, compound auxiliary foaming agent, triallyl isocyanurate, tribasic lead sulfate and dibutyl phthalate, extruded and foamed to form a wood-plastic board with cross-linked microporous structure. The invention has the advantages of convenient production, low cost, strong wood feeling, no aging and discoloration, no warping and deformation, low density, excellent static bending strength, high impact strength, certain adsorption effect on toxic and harmful gases, stable and firm cells , will not release formaldehyde, easy to install and maintain, recyclable and environmentally friendly. It can be widely used in many occasions such as buildings, halls, home offices, etc. It can be made into door panels, photo frames, picture frames, base lines, hanging gussets, partitions, roofs and other products, and can also be used as suspended beams, rattan racks, and outdoor balconies board etc.

The invention relates to a lightweight plastic-wood composite sheet and a preparation method thereof. The preparation method comprises the following steps of: firstly stirring PVC particles and tribasic lead sulfate evenly in a stirred tank, and then adding wood flour, LDPE-g-GMA, hollow glass beads, chlorinated polyethylene, ethylene bisstearamide and hard fatty acid butyl ester to the tank, heating up and stirring evenly, cooling and taking out the mixture, and then stirring the mixture evenly with baking soda and citric acid at room temperature, extruding out and molding. The lightweight plastic-wood sheet has the advantages of convenient production and manufacture, high degree of mechanization in the production process, low production cost, low density, light weight, easy installation and maintenance, less use of timber and plastic, turning waste into treasure, being recyclable and not destroyed by insects, no aging and discoloration as well as cracking, no buckling deformation and high impact strength, with the function of adsorbing gas. The lightweight plastic-wood sheet can be applied to a plurality of occasions such as office buildings, hotels and home offices, can be made into products such as photo frames, picture frames, foot lines, and hoisting and fastening boards, and can also be used as suspended beams, pergolas, and the like.

The invention relates to an indoor composite door, which is composed of a door frame, door bottom plates, door panels, a door jamb, fillings, end caps, door jamb press strips, sealing wool tops and fasten nails. The door is characterized in that two door bottom plates made of plasterboard parallelly clamp the door frame made of light steel frame, fillings are filled therebetween and are made fromrock wool and glass wool material, the end caps made of rubber wrap the peripheral edges of the door bottom plates; the door jamb made of aluminium alloy is fixedly connected with the door frame through the metal fasten nails, and the door bottom plates, the door frame, and the door jamb are fixed into one body; the two door panels are respectively attached to two door base plates which are made of fireproof decorative plate; and the door jamb press strips with the sealing wool tops buckle on the door jamb to combine the indoor composite door. The indoor composite door has excellent fireproofperformance, thermal insulation performance, sound insulation performance, and will not generate warpage because of environmental influence in use.

The invention relates to a small-sized Ka-band broadband end-fed waveguide microstrip conversion structure, which combines two field coupling forms of a semi-circular arc current loop and a gradient ridge waveguide. Magnetic coupling and electrical coupling exist in the transition section. This double coupling The form ensures that it can be half the size of other structures, only 80% of the wavelength of the highest operating frequency, and the operating frequency band covers 30-43GHz.

The invention relates to a compound foamed plastic-wood composite material plate and a preparation method thereof. The preparation method comprises the following steps: adding polyvinyl chloride and dibasic lead phosphite into a stirring kettle, and evenly mixing at high temperature; adding wood powder, kaolin powder, accelerator, azobisformamide, calcium stearate and chlorinated polyethylene into the stirring kettle, heating, evenly mixing, and cooling; adding o-toluenesulfonhydrazide and dibutyl phthalate into the kettle, heating, evenly mixing, cooling, taking out the mixture, and granulating by extrusion; and after finishing the granulation, carrying out extrusion molding on the granules. The invention has the advantages of high manufacturing convenience, low cost, light weight, low brittleness, excellent ductility, excellent shock resistance, favorable surface tactile sensation, sound insulation, heat insulation, aging resistance, discoloring resistance and no buckling deformation, is convenient to mount and maintain, and can adsorb toxic gas; and the invention consumes less plastic, is environment-friendly and can be recycled. The invention can be used in office buildings, families and other occasions, and can be made into door plates, photo frames, picture frames, skirting plates, suspended pinch plates, suspended beams, pergolas and the like.

The invention discloses an ultraviolet lamp curing device and a curing method thereof. Wherein, the ultraviolet lamp curing device includes a reading module, at least one ultraviolet lamp and a control module, the coordinate position of the printing module is read by the reading module, and the control module judges whether the ultraviolet lamp is located in the image area according to the coordinate position of the printing module Medium; when the UV lamp is in the image area, control the UV lamp to turn on; when the UV lamp is outside the image area, control the UV lamp to turn off, so that the switch of the UV lamp can be precisely controlled according to the size of the printed image, and the curing can be started where there is an image , Turn off the UV lamp immediately where there is no image, and avoid turning on the UV lamp when it is not necessary, because the UV lamp is a high-energy device, which can achieve the purpose of energy saving, and the curing effect is good, and the printing medium will not warp and deform.

The invention discloses a steel pipe pile device with overhanging arms. The steel pipe pile device comprises a steel pipe pile body, a drawing device, a hydraulic device, an extrusion cone and a plurality of sets of overhanging arms. The top of the steel pipe pile body is connected with the bottom of the drawing device, and the top of the drawing device is connected with the hydraulic device; the extrusion cone is arranged at the bottom of the steel pipe pile body, and is connected with the pulling device through a steel wire rope; a plurality of sets of through holes are formed in the side wall of the steel pipe pile body, the number of the through hole is equal to that of the overhanging arms, and the size of the through holes is matched with that of the overhanging arms; and the overhanging arms are arranged in the through holes. The extrusion cone is lifted by the hydraulic device in the steel pipe pile device with the overhanging arms through the drawing device, and therefore the overhanging arms extend towards the exterior of a pile, the contact area between the overhanging arms and the soil is increased, stability of the pile body can be effectively improved, and the vertical bearing capacity of the steel pipe pile can be obviously improved.

A backplane assembly includes at least two backplane blocks and at least two fixing structures. A bending portion is formed on different sides of each back plate block, and each fixing structure includes a connecting piece and at least one elastic piece. The connecting piece is passed through two adjacent bending parts to connect the first backplane block and the second backplane block, and each elastic piece is sleeved on a connecting piece and limited between one end of the connecting piece and a bending part between.

The invention discloses a high-strength formwork free of layer separation and a method for manufacturing the high-strength formwork. The high-strength formwork and the method have the advantages that the length directions of battens a are consistent with the growth direction of wood, the height directions of battens b are consistent with the growth direction of the wood, accordingly, sufficient adhesive steeping and mechanical bracing effects can be realized, a core is extremely high in mechanical property in the vertical direction and the horizontal direction and is low in deformation, layer separation phenomena inside the machined core can be prevented, the high-strength formwork is high in modulus, and buckling deformation of the formed formwork can be prevented; the mechanical properties of the formwork can be improved by the aid of continuous fiber reinforcement composite surface layers, the high-strength formwork is light, waterproof and anticorrosion, is high in strength and recycling frequency, and can be easily released from forms, the recycling frequency of the high-strength formwork can reach a hundred at least, accordingly, the service life of the building formwork can be greatly prolonged, and the single-service cost can be reduced.

The invention discloses a method for producing thick-core plywood by using aldehyde-free biomass soy protein adhesive, belongs to the technical field of wood processing, and solves such problems as large back surface cracks, moreburrs, high thickness deviation and easiness in deformation and bending. The production method comprises wood block pretreatment, rotary cutting, drying, plasma treatment, veneer surface scratch treatment, gluing, prepressing, hot pressing and after-treatment. The method is suitable for producing the aldehyde-free thick-core plywood, largely reduces the production cost, and improves the production efficiency.

The invention discloses a composite type wood core gluing machine. The composite type wood core gluing machine comprises a raw material placing region, an automatic glue coating machine, a feeding push plate device, a compounding machine head, a middle rack, a machine tail sawing mark plate cutting device, a machine tail pressing plate frame and a finished product receiving plate frame; and the raw material placing region, the automatic glue coating machine, the feeding push plate device, a laminating machine head, the middle rack, the machine tail pressing plate frame, the machine tail sawingmark plate cutting device, the machine tail sawing mark plate cutting device and the finished product receiving plate frame are sequentially connected. The composite type wood core gluing machine disclosed by the invention realizes gluing, lamination and side cutting functions of wood cores and is excellent in performances. Compared with the traditional processing equipment, the composite type wood core gluing machine disclosed by the invention is small in floor area and high in processing efficiency. By adopting pressure-maintaining and temperature-maintaining adhesion, the glue solidification time is shortened; the adhesive strength is high; moreover, a wood bar is prevented from warping deformation in a glue solidification process, so the processed wood is flat and straight and high inprocessing quality.

The invention provides a non-cooling type ultrared micrometering kampometer comprising a substrate base, a sheet bright surface and two L-shaped bridge arms arranged at the opposite sides of the bright surface. One end part of either bridge arm is electrically connected with the bright surface; the other end part is connected with the base by an electric connecting column; a vacuum gap layer is formed between the bright surface and the substrate base the upper surface of which is provided with a reflecting layer; the bright surface sequentially comprises an absorption layer, a heat-sensitive layer and a passivating layer from bottom to top; each bridge arm sequentially comprises a thermal resistance layer and a conductance layer from bottom to top; and the absorption layer and the passivating layer of the bright surface have the similar thickness of 2800-3200 so that crushing stress generated by the absorption layer and tensile stress generated by the passivating layer are easier to balance; and the structure of the bright surface is extremely stable to avoid warping, deforming, fracturing or demolding. The invention greatly lowers the process difficulty.

The invention discloses an efficient energy-saving microstructural light guide plate, a planar light emitting device provided with the light guide plate, a liquid crystal display device, liquid crystal display terminal equipment and a manufacturing method of the light guide plate. A scattering pattern structure on the bottom plane of the light guide plate is formed by providing a colorless and transparent adhesive glue pattern layer on the bottom plane of the substrate, a stereoscopic microstructural scattering pattern layer is obtained by planting and sticking a plurality of mini scattering particles on the adhesive glue pattern layer, all or part of the planted and stuck mini scattering particles is bared and protrudes at the surface of the adhesive glue pattern layer, a part of the mini scattering particles, which is bared and protrudes at the surface of the adhesive glue pattern layer, is embedded into the colorless and transparent adhesive glue pattern layer, and is firmly bonded by the adhesive glue, and the other part of the mini scattering particles is bared and protrudes outside the colorless and transparent adhesive glue pattern layer. After adopting the light guide plate, a brightness increase rate of the planar light emitting device is more than 20%. According to the light guide plate prepared by the invention, the light guide plates in small, middle and big sizes can be manufactured at high quality, and the brightness increase rate of the light guide plate is fully realized.