40results about How to "Good profiling effect" patented technology

The present invention involves a low-temperature insulating paper, and relates to a preparation method of said low-temperature insulating paper and its applications. The invention prepares the low-temperature insulating paper with superfine alkali-free glass fiber and wet paper preparation process; the definite quantity of said low-temperature insulating paper is 10-20 g/m2 and the thickness is 0. 06 - 0. 09 g/m2. The preparation method of said low-temperature insulating paper includes: beating, stirring and scattering the superfine alkali-free glass fiber, and drying after stripping in paper machine, last coiling and preparing the products. The low-temperature insulating paper in the invention can be used for vacuum multi-layer insulation structure of copious cooling liquid accumulating container and complement pipes. The low-temperature insulating paper in the invention has good adiabaticity, the degassing ratio is small in vacuum, the profiling performance is good, and it has long life and wide uses.

The embodiment of the invention provides profiling equipment, a laminating device, a laminating method and a display device. The profiling equipment comprises a profiling jig and an acting device. The profiling jig is made of a shape memory material and has a first state and a second state. The profiling jig in the first state comprises an attaching surface, and the attaching surface is used for attaching a flexible display panel. The profiling jig in the second state comprises a profiling surface, and the profiling surface corresponds to the target shape of the flexible display panel. The acting device acts on the profiling jig to change the state of the profiling jig. In the profiling process of the profiling equipment, the action device enables the profiling jig to be switched from the first state to the first state, the flexible display panel attached to the attaching face deforms along with the shape memory material, full profiling can be achieved, the problems of wrinkles, bubbles, no display, abnormal display and the like during fitting with a curved surface cover plate can be avoided, a better laminating effect can be ensured, and the laminating yield and reliability are improved.

The invention belongs to the technical field of pasture harvesting, and relates to a small self-propelled disc type mowing-flattening harvesting machine. The small self-propelled disc type mowing-flattening harvesting machine comprises a walking part and a disc type mowing-flattening mechanism, wherein a power transmitting system of the harvesting machine is arranged at the right side of a vehicle body, a cab (15) is arranged at the left side of the vehicle body, and the disc type mowing-flattening mechanism is installed at the front end of the walking part. The small self-propelled disc type mowing-flattening harvesting machine has the advantages that a dual-clutch mechanism is adopted to separate the power of the walking part and a working part, so the functions of the two parts are not mutually influenced, and the mechanical handling performance and security is increased; the whole structure is simple and compact due to the adopted arrangement mode, and the harvesting machine is more suitable for small meadows or is not suitable for terrains using large-middle mowing flattening mills; double discs are adopted, so the cutting length is short, the ability of adapting the terrain is strong, and the profile effect is good; a parallel four-bar mechanism, a hydraulic system and a sliding palm are adopted, so that a certain profile effect can be achieved; a gear box is adopted to distribute mowing and flattening power; and a gear set is adopted to carry out power transmission of two chipper discs and matching of directions of rotation.

The invention discloses a fretsaw cutting device which comprises an execution portion and a positioning clamping portion. The execution portion comprises a fretsaw, a profiled supporting piece, a supporting piece rotating shaft, a movable sliding table, a fixed sliding table, a fretsaw wheel, a profiled roller and a power source, the positioning clamping portion is of a multi-jaw structure and comprises clamping jaws, a cross-shaped universal shaft and a universal shaft connecting rod. According to the device, the clamping jaws evenly distributed along the circumference are adopted for clamping an object to be cut; by adopting the movable and fixed combined sliding table mode, rotation in the circumferential direction of the object to be cut is performed; by adopting the profiled supporting piece and the profiled roller at the tail end, profiling is performed; cutting is performed by adopting the fretsaw mode. The fretsaw cutting device is well applicable to comb discharging operationof comb handles on banana stalk, and has the advantages of being small in overall size, simple in structure, wide in stalk adaptability, high in reliability, good in profiling effect, small in cut, good in cutting quality, low in energy consumption cost and the like.

The invention discloses a settled snow shoveling and removing device and application thereof. The settled snow shoveling and removing device consists of a snow shoveling device, a framework and a snow removing device. The framework is connected with an underframe of a vehicle movably. t Snow shoveling blades are clamped on Y-shaped rests and are fixed with the same through fixing bolts, the snow shoveling blades extend outwards, adhesive damping plates are attached to the snow shoveling blades, turnover shafts are mounted in slide grooves and provided with rubber jackets respectively, the turnover shafts and a blade distributing bracket are provided with tension springs, the blade distributing bracket is pressed downwards by the torsion springs so that the snow shoveling blades can contact with the ground, and the shovel rests in the front row and the back row are distributed on the framework in a staggered manner. The framework is hinged on a large beam of the vehicle through a swing arm, and the large beam is provided with a limit retaining plate. The snow removing device includes that a power machine mounted at the back of the vehicle drives a conveying belt on a removing transmission wheel, iron connecting grooves are mounted on the conveying belt at intervals, and scrapers and brushing strips are mounted on the iron connecting grooves. The settled snow shoveling and removing device can be conveniently assembled below the vehicle or suspended on a tractor, and is high in obstacle crossing, fine in profile modeling, free of damages to the road surfaces, fast in snow removing and wide in application.

The invention discloses an extrusion processing method for an external star wheel. The method comprises the steps that S1, blanking is carried out according to a component size; S2, medium frequency induction heating is carried out on blank material; S3, upsetting of the blank material heated to a target temperature is conducted until specified dimensions are achieved; S4, warm extrusion of the blank material subjected to upsetting is conducted until a blank in the component size is formed; S5, spheroidizing annealing is carried out on the blank; S6, cleaning is carried out; S8, phosphating is carried out on the blank; S9, saponification processing is carried out on the component; S10, cold finishing is carried out on the blank by utilizing a cold forging die and a pressure machine; and S11, the blank after cold finishing is checked. The forming precision of the external star wheel is improved and material consumption is reduced. Metal flow lines inside the blank are axially distributed and the mechanical property is better. The machining allowance of a forge piece is optimized and most cutting machining tasks can be removed. The product precision is improved and the cost is greatly reduced.

The invention relates to an overall paddy field ridge profile modeling single-side ridger, and belongs to agricultural machines. A sprocket-wheel case A is fixedly installed on a main transmission case, a sprocket-wheel case C is fixedly installed on the sprocket-wheel case A, a sprocket-wheel case B is rotationally installed on the sprocket-wheel case C, a sprocket-wheel case D is rotationally installed on the upper portion of the outer side of the sprocket-wheel case A, the main transmission case is sequentially connected with the sprocket-wheel case A and the sprocket-wheel case D, and thesprocket-wheel case A is sequentially connected with the sprocket-wheel case C and the sprocket-wheel case B; a lower rotary blade shaft assembly and an upper rotary blade shaft assembly are connectedto a power output shaft of the sprocket-wheel case B and a power output shaft of the sprocket-wheel case D respectively, a ridge building press wheel assembly is installed on a power output shaft ofthe sprocket-wheel case C, and a damper A, a damper C and a damper B are arranged between the main transmission case and the sprocket-wheel case B, between the sprocket-wheel case A and the sprocket-wheel case D as well as between the sprocket-wheel case C and a profile modeling and an anti-sidesway roller assembly respectively. The overall paddy field ridge profile modeling single-side ridger realizes overall profile modeling and is novel and reasonable in structure, good in profile modeling effect, uniform in operation power load, small in vibration, low in power consumption and good in ridge building quality.

The invention discloses a rapid molding method for a special-shaped quartz composite ceramic wave-transmission antenna window. The method comprises the following steps: 1, removing an impregnating agent at the surfaces of quartz fibers by adopting a combination mode of water steam cooking and oxygen-introducing heat treatment; 2, performing surface treatment on the pre-treated quartz fiber cloth in a silica sol with a low solid content, and performing cutting to obtain a fiber cloth having an equivalent area of 5-100 mm<2>; 3, immersing the fiber cloth piece in a silica sol with a high solid content, performing spreading on a special pressure molding tool, performing pressure molding, performing curing, and performing demoulding; and 4, immersing the pressed blank in a silica sol once, and performing heat treatment at 850 DEG C; and performing processing according to requirements to obtain a design size. The method provided by the invention can realize rapid molding, and has high efficiency, low process costs and uniform materials.

The invention discloses an electronic copying device for roller type cotton pickers and belongs to the technical field of electronic monitoring. The electronic copying device comprises a splitter skeleton, an electronic copying plate, a mounting-plate positioning groove, sensors, a copying positioning rod, a copying connecting rod, a copying roller and a splitter sleeve; the electronic copying plate is fixed on the splitter skeleton through the mounting-plate positioning groove, the sensors are installed on the electronic copying plate, the copying positioning rod is connected with the copying connecting rod, the tail end of the copying connecting rod is connected with the copying roller, the copying positioning rod and the copying connecting rod are movably connected with the electronic copying plate, the copying roller is connected with the copying connecting rod through a bearing and a shaft, and the splitter sleeve is fixed on the outer side of the splitter skeleton. The electronic copying device is simple in structure, height of cotton picking heads can be monitored and adjusted in real time, and the electronic copying device is convenient and flexible in use.

The invention provides an ultrasonic-assisted cavitation abrasive grain flow finishing method for titanium alloy surface oxide layers. The method comprises the following steps: stirring a solid-liquidtwo-phase mixed fluid to form high-speed turbulence vortex; extracting the solid-liquid two-phase mixed fluid, mixing the solid-liquid two-phase mixed fluid with micro-nano bubbles to form a high-speed and high-pressure gas-liquid-solid three-phase abrasive grain flow; spraying the high-speed and high-pressure gas-liquid-solid three-phase abrasive grain flow to a workpiece in a tank body for staged surface treatment; meanwhile, emitting ultrasonic waves by an ultrasonic device configured below the workpiece to form an ultrasonic cavitation effect, and forming a negative fluctuation environment with positive and negative pressure alternating rapidly in the high-speed fluid in the tank body to cause expansion and compression of micro-nano bubbles in the high-speed fluid. Under the comprehensive action of turbulence, jet, cavitaiton and ultrasonic waves, a manner of combining cavitation abrasive grain jet and turbulence integrated surrounding type processing and ultrasonic enhancement isadopted, synchronous stripping of different in-situ defects of oxide scale and derivative and chain stripping of new defect points can be realized, the removal efficiency is high, and the processinguniformity is good.

The invention relates to a device and method for realizing a limit swinging angle of 30 degrees of a mower by self-adaption to terrain, and belongs to the field of pasture harvesting machine. The mower comprises a cutter main frame, a lifting hydraulic cylinder, a lifting arm, a rotating arm and a grounding sliding plate, when the mower works on the rugged ground, the grounding sliding plate makes contact with the ground all the time, the terrain enables the lifting hydraulic cylinder to be subjected to pressing or pulling acting force, so that oil in a cylinder cavity of the lifting hydraulic cylinder can flow out to an energy accumulator, or oil in the energy accumulator flows back into the cylinder cavity of the lifting hydraulic cylinder, the cutter main frame connected with the lifting hydraulic cylinder at the first hinge point fluctuates up and down along with the terrain environment, and the grounding profiling effect is achieved. Meanwhile, through accurate design of the structure and the size of a mechanical arm of the mower, the mower can swing leftwards and rightwards by 30 degrees to the limit, and under the combined action of a hydraulic system and a floating adjusting spring, the mower can adapt to terrain environments such as slopes and the like, and a better profiling effect is achieved.

The invention discloses a raking type low-loss pickup. A raking device (Figure 5) with a pickup function is used for raking and alternatively inserting windrow and conveying the windrow into an augerclose to telescopic raking teeth; two rotary discs (1) are obliquely arranged in parallel, elastic teeth are always perpendicular to a windrow direction in a movement process, and the tips of the elastic teeth are bent to a windrow advancing direction, so that the front half cycle of the rotary motion of the elastic teeth plays a stable pushing effect on the windrow, and the rear half cycle movesoppositely relative to the windrow without winding and stacking; the elastic teeth (3) are arranged on two sides of an elastic tooth fixing frame (2) in rows, so that the supporting width is increased, and a good propelling effect is achieved on the windrow; and when the elastic teeth rotate to rise, the entrained winding of the windrow can be prevented under the action of a pressing plate (5). Awalking device (9) and a profiling plate (7) both play a profiling action on the ground. During a working process, the windrow is always in a clamped and supported state, a pickup process is stable, the grain loss caused by throwing of the windrow is reduced, and meanwhile, the raking device and a header are in seamless connection, so that the grain loss is avoided.

The invention discloses a matte abrasive block and a preparation method thereof. The matte abrasive block comprises the following components of, by weight: 5 parts to 60 parts of epoxy resin, 1 part to 40 parts of a curing agent, 0.2 part to 3 parts of a coupling agent, 0.5 part to 10 parts of white carbon black, 0.3 part to 10 parts of polyvinyl butyral, 6 parts to 69 parts of silicon carbide, and 1 part to 9 parts of nitrile rubber buna. On the basis of epoxy resin, white carbon black, polyvinyl butyral, silicon carbide and nitrile butadiene rubber are added, so that the prepared matte abrasive block has good profiling performance and wear resistance; and on the premise of good wear resistance, a conventional manufacturing mode is changed according to the preparation method, pouring, vacuumizing and pressurization are adopted in the preparation method, the produced matte abrasive block is greatly improved leaves no grinding cracks on the surface of a machined workpiece, and the surface of the obtained workpiece has the good matte effect, and can meet the requirements on the quality of a matte surface.