11results about How to "Fast through" patented technology

This utility model discloses a feeding device for PVC pipe production, comprising: an extruder body; a storage silo connected to the feed inlet of the extruder body; a feeding silo located on one side of the extruder body; a negative pressure pipe connecting the feeding silo and the storage silo, wherein a negative pressure fan is connected to the negative pressure pipe; and a weighing component located on the feeding silo for weighing materials. The advantages of this utility model are that it allows for the sequential weighing of different materials using the weighing component, resulting in accurate weighing data, avoiding uneven material proportions that could affect product quality, filtering materials to prevent clumping and impurities from entering, thus improving production quality, facilitating impurity removal, and increasing work efficiency.

The utility model discloses a kind of carbon black granule screening machines, including frame and screening mechanism, frame: its inside front and back both sides are provided with mounting bracket, screening mechanism: it includes sieve tray, screen, adjusting assembly and connecting assembly, the sieve tray is rotationally connected in the inside of mounting bracket, four sieve trays are staggered distribution up and down, the side of sieve tray far from the middle of frame is discharge end, screen is all set in the inside of sieve tray, adjusting assembly is used for the angle adjustment of sieve tray, connecting assembly is used for the connection of frame and mounting bracket, the carbon black granule screening machine, with multiple-stage screening device, by setting screen of different aperture to carry out multiple-stage screening work, the discharge end of screen is located equipment's front and back both sides respectively, avoid the restriction of space, it is convenient to erect external conveying device, angle adjusting device is also provided, the inclination of different screen can be automatically adjusted, can guarantee screening quality without changing amplitude.

The utility model discloses superfine crushing and grinding equipment which comprises a bottom frame, a crushing tank is fixedly mounted in the bottom frame, a filtering assembly is mounted at the bottom of the crushing tank and comprises a mounting sleeve rotationally arranged at the bottom of the crushing tank in a sleeving mode, and a filter screen is arranged in the mounting sleeve. A flow guide frame is fixedly connected to the outer wall of the bottom of the mounting sleeve, an inclined hopper is arranged outside the flow guide frame, a motor is fixedly mounted on the inner wall of the bottom of the bottom frame, a driving structure is mounted outside the output end of the motor, and the driving structure comprises an extension plate, two extension rods, a spring, a mounting column and two knocking heads. According to the utility model, the filter assembly is arranged, so that proper powder can be separated out in time when the crushing work is carried out, the crushing work of larger materials cannot be influenced, continuous processing can be realized, and the processing efficiency can be improved.

The utility model discloses a material grading recovery equipment for mask production, including recycling shell and grading mechanism, recycling shell: its inside middle lower extreme is equipped with the baffle, grading mechanism: it includes permanent -magnetic roller, rubber block, scraper, discharge plate, vibration subassembly and grading subassembly, permanent -magnetic roller rotary connection is in the inside front side middle of recycling shell, rubber block sets up on the outer surface upper end of permanent -magnetic roller, and the discharge plate sets up in the inside middle rear of recycling shell, this material grading recovery equipment for mask production is equipped with grading mechanism, and through the vibration makes cloth piece and scrap and metal bridge strip preliminary separation, then through the adsorption of permanent -magnetic roller and the scraping of scraper and the quick recovery metal bridge strip of scraping, avoid the secondary sorting of metal bridge strip, simultaneously, still can through the rotation of two groups of scraping piece and the quick scraping of the corner material attached to the surface of the screen, has improved the passability of the screen, and further improved the grading recovery efficiency of the corner material.

The utility model discloses a surface anticorrosive coating coating device for processing an iron outfitting piece, which relates to the technical field of iron outfitting piece processing equipment and comprises a dip dyeing box, an auxiliary box, a placing box and a connecting hole. According to the dip dyeing device, the auxiliary box and the placing box are moved upwards, the iron outfitting piece to be coated is placed in the placing box, then the auxiliary box and the placing box are adjusted to move downwards, the auxiliary box and the placing box drive the iron outfitting piece to enter anti-corrosion paint in the dip dyeing box, meanwhile, the placing box rotates, and the iron outfitting piece is placed in the dip dyeing box. The steel outfitting piece is in rotary contact with the anticorrosive paint, so that the coating uniformity of the anticorrosive paint on the surface of the steel outfitting piece can be effectively improved; after anti-corrosion coating is completed, the adjustable auxiliary box and the placement box move upwards, the placement box moves out of the anti-corrosion coating while rotating, the throwing effect on the redundant anti-corrosion coating is better, the anti-corrosion coating can be effectively saved, and the production cost is reduced; and the placing box can drive the iron outfitting piece to move to the top of the dip dyeing box, so that the iron outfitting piece in the placing box is more convenient to take.

The application discloses an impact-resistant and wear-resistant epoxy resin modified mortar and a preparation method thereof, and relates to the technical field of mortar.The application comprises the following raw materials in mass parts: deionized water 170-190 parts, modified boron nitride synergist 13.13-14.38 parts, water reducing agent 0.8-1.2 parts, tributyl phosphate 0.6-0.8 parts, composite modified porous polysiloxane microspheres 26.25-28.75 parts, water-based epoxy resin 21-23 parts, Portland cement 420-460 parts, sulphoaluminate cement 105-115 parts, concrete expansive agent 15.75-17.25 parts, river sand 1050-1150 parts, water-based epoxy curing agent 27.3-29.9 parts.The introduction of the modified boron nitride synergist and other raw materials in the application simultaneously improves the compressive strength, the bending strength, the impact strength, the wear resistance, the anti-cavitation ability, the aging resistance and the alkali corrosion resistance.

The utility model relates to the technical field of ozone generator production, and provides an ozone generator which comprises a shell and a tubular discharge unit, the tubular discharge unit comprises an inner electrode, a dielectric medium tube and an outer electrode which are installed in a sleeved mode, and a first fixing plate and a second fixing plate are arranged at the two ends of the shell respectively. The tubular discharge unit penetrates through the discharge unit first mounting hole and the discharge unit second mounting hole, the outer diameter of the outer electrode is smaller than 4.8 mm, the outer electrode is sleeved with a first sealing ring and a second sealing ring, the first sealing ring seals a gap between the discharge unit first mounting hole and the outer electrode, and the second sealing ring seals a gap between the discharge unit second mounting hole and the outer electrode. And the second sealing ring seals a gap between the second mounting hole of the discharge unit and the outer electrode. According to the utility model, the sealing mode of the external electrode of the micro-diameter discharge unit and the corresponding efficient external electrode penetrating pipe are adopted, so that the ozone generator of the micro-diameter discharge unit can be efficiently and quickly produced in batches, the concentration of generated ozone is improved, and meanwhile, the ozone production cost is reduced.

The utility model discloses a durable Great Wall heat insulation plate which comprises a Great Wall heat insulation plate body, connecting sections are arranged at the two ends of the Great Wall heat insulation plate body, and the connecting section on the left side and the connecting section on the right side are fixedly and hermetically spliced through a positioning and sealing mechanism. And a primary alignment assembly is also arranged between the left connecting section and the right connecting section. The utility model relates to the technical field of Great Wall heat insulation plates. According to the durable Great Wall heat insulation plate, assembling bolts penetrate through the two corresponding hole positions, locking of the two connecting sections is achieved through matching of nuts and the assembling bolts, in the process, sealing contact strips can be smoothly embedded into sealing grooves, and through arrangement of wave contact teeth and wave contact grooves, the sealing contact strips can be tightly inserted into the sealing grooves; the whole contact area of the sealing contact strip can be conveniently increased, the waterproof performance is improved, the sealing performance is well guaranteed after the Great Wall heat insulation plate is assembled, and water is not prone to entering the connecting position.

The utility model discloses a chemical impurity removal device suitable for diamond micro-powder, which belongs to the technical field of chemical impurity removal of diamond micro-powder and comprises a barrel body, a discharging pipe is arranged on one side of the bottom end of the barrel body, a control valve is arranged at the top end of the discharging pipe, and the output end of a servo motor is fixedly connected with the top end of a lead screw. The device comprises a machine rod, a screening device is arranged on one side of the machine rod and comprises a frame rod, a driving motor is arranged on one side of the frame rod, the output end of the driving motor is fixedly connected with a stirring rod, and the outer surface of a connecting rod is fixedly connected with a first penetrating net and a second penetrating net. Diamond micro-powder is placed on the outer surface of the second penetrating net and enters the barrel body to be subjected to acid pickling, impurities in the acid pickling process of the diamond micro-powder stay on the surface of the second penetrating net, reaction materials can be conveniently screened in the acid pickling process of the diamond micro-powder, and the efficiency of chemical impurity removal of diamond is improved.

The invention discloses a silica gel-based material with high biocompatibility and elasticity as well as a preparation method and application of the silica gel-based material. The silica gel-based material with high biocompatibility and elasticity is prepared from bio-based polyurethane and polyether modified siloxane. According to the preparation method, modified polypyrrolidone is taken as a chain extender, glycidyl is taken as an end-capping reagent, a polycaprolactone prepolymer is subjected to chain extension and end capping, bio-based polyurethane is prepared, and the bio-based polyurethane is enhanced through polyether modified polysiloxane, so that the biocompatibility of a silica gel-based material is effectively improved; the tensile property and the compressive deformation resistance of the material are also improved. The silica gel-based material disclosed by the invention can be used for preparing medical catheters or thrombus simulants, and is applied to interventional operations.

This invention discloses a construction method for rapid positioning and installation of steel structure column caps, relating to the field of prefabricated building construction. The method utilizes a positioning assembly, pilot hole components, and a rebar connection assembly. The positioning assembly includes a positioning nut, a washer, and a strip steel plate. The strip steel plate has a hollow center for installing the pilot hole components, and the distance and extension height between different pilot hole components are adjustable. Four strip steel plates are arranged in pairs, with two plates overlapping the other two. Positioning nuts and washers are installed above and below the strip steel plates to securely connect the pilot hole components. A rebar connection assembly is installed at the lower end of each pilot hole component. Using this invention significantly saves manpower, material resources, and time costs, and offers advantages such as simple and quick installation and disassembly, standardized factory production, on-site assembly, good versatility, and strong construction adaptability.