200results about How to "Achieve production" patented technology

The invention relates to a high-strength wear-resistant polyethylene gas pipeline and a preparation method thereof, and belongs to the technical field of high polymer materials. The high-density polyethylene, the modified ethylene propylene diene monomer, the modified chlorinated polyethylene rubber, the modified basalt fiber, the silicon carbide ceramic material, the magnesium oxide, the lubricant, the hindered amine light stabilizer, the hindered phenol antioxidant, the antistatic agent and the like are adopted as raw materials for compounding; and according to the material properties and dispersion characteristics of all the components, the process steps and parameters of mixing, banburying, extruding and the like are designed, so that the production of the pipeline can be well realized, and the gas pipeline with uniform quality and excellent performance is obtained. The compressive strength, the impact resistance and the wear resistance of the pipeline are greatly improved, the weather resistance of the pipeline is effectively improved, the service performance of the pipeline is comprehensively improved, the service life of the pipeline is comprehensively prolonged, and the pipeline is more suitable for being used in various severe environments, can meet the use requirements of long-distance construction, long-term friction and high-pressure environments and can be widely applied to high, medium and low-pressure gas conveying. Civil and industrial fuel gas conveying is achieved.

The invention discloses hot-rolled and pickled complex phase steel with tensile strength of 800MPa and a manufacturing method thereof. The complex phase steel comprises the following chemical components: 0.030 to 0.050 percent of C, 0.15 to 0.20 percent of Si, 1.30 to 1.50 percent of Mn, 1.30 to 1.50 percent of Cr, 0.15 to 0.20 percent of Al, less than or equal to 0.005 percent of S, less than or equal to 0.012 percent of P, 0.020 to 0.030 percent of Ti, 0.0015 to 0.0025 percent of B, less than or equal to 0.0040 percent of N and the balance of Fe and inevitable impurities. The manufacturing method comprises the steps of converter smelting, LF refining, RH refining, slab continuous casting, hot rolling, laminar cooling, coiling, slow cooling after coiling and acid pickling. The yield strength of the complex-phase steel is larger than or equal to 680 MPa, the tensile strength is larger than or equal to 800 MPa, the elongation is larger than or equal to 15%, the hole expansion rate is larger than or equal to 70%, and the complex-phase steel has low crack sensitivity.

The invention relates to an off-grid ammonia-hydrogen micro-grid planning method and system considering a mixed electrolytic bath and a medium, the method is applied to an off-grid hydrogen-hydrogen micro-grid, and the planning method comprises the following steps: modeling for an electric energy-hydrogen energy conversion process of various types of electrolytic bath modules; modeling for the process of transporting hydrogen produced by an electrolytic cell module to an ammonia production node by using a hydrogen long tube trailer; on the premise of considering constraint conditions, constructing a planning model of the off-grid hydrogen amino micro-grid; and performing linear processing on the constraint condition, and obtaining a planning result by solving the planning model of the off-network hydrogen amino micro-grid. Compared with the prior art, the method has the advantages of integrating the advantages of different types of electrolytic cells, reducing the total investment cost, improving the system elasticity, ensuring efficient and stable operation under different conditions and the like.

The invention discloses a spinning method for wrapping blended yarns, which comprises the following steps of: adopting a front row of drafting roller pairs, a middle row of drafting roller pairs and a rear row of drafting roller pairs which are independently driven, sleeving left and right rotating shaft sleeve groups which are axially symmetrically arranged on a roller shaft of a lower roller, and sleeving left and right rubber roller sleeve groups which are axially symmetrically arranged on a rubber roller shaft of an upper rubber roller; three pairs of pressing, holding and feeding jaws for short fiber roving are respectively formed on the roller shaft and the first rotating shaft sleeve and the second rotating shaft sleeve in the left and right rotating shaft sleeve groups in a bilateral symmetry manner; a first pair of short fiber strands which are pressed, drafted and output on a roller shaft, a second pair of short fiber strands which are pressed, drafted and output on a second rotating shaft sleeve and a third pair of short fiber strands which are pressed, drafted and output on a first rotating shaft sleeve are output in a lower, middle and upper space overlapping state, and production of needed wrapped blended yarn is achieved. Then direct blending in the spinning process is achieved, different fiber components in blended yarn are arranged in a layered mode, the blending efficiency is improved, and different blending purposes are achieved.

This invention relates to the fields of signal transmission, computer vision, image recognition, and printing. It provides a visual inspection method, system, and mobile phone casing for screen printing processes. The method uses a screen printing image recognition algorithm to identify the aperture spacing and mesh size of the screen printing stencil. When the aperture spacing and mesh size are compliant, it prompts the assembly of a compliant screen printing stencil to the printing press for printing the base color layer of the substrate. The substrate, after being left to stand and bake, is then transported to a CCD inspection line for CCD imaging. The system checks for jagged edges, smearing, and light leaks in the characters of the ink-printed layer on the substrate, and determines whether the brightness of the ink in the ink-printed layer is compliant. This improves the efficiency and accuracy of detecting the specifications, serial numbers, aperture spacing, and mesh size of the screen printing stencil, and enhances the efficiency and accuracy of detecting jagged edges, smearing, and light leaks in the characters of the ink-printed layer on the substrate, as well as whether the ink brightness meets requirements, thereby achieving high-quality mobile phone casing production.

The invention relates to the technical field of building materials, and particularly discloses a light-weight high-strength low-carbon cement-based material for 3D printing and a preparation method of the light-weight high-strength low-carbon cement-based material. The 3D printing lightweight high-strength low-carbon cement-based material is prepared from the following raw materials in parts by weight: 50 to 70 parts of modified sintered mullite, 5 to 8 parts of mineral admixture, 8 to 12 parts of coral aggregate, 8 to 10 parts of zeolite, 60 to 80 parts of cement, 10 to 20 parts of clay and 60 to 75 parts of nano bubble water, and the modified sintered mullite is obtained by wrapping and modifying a hydrophobic material; the preparation method comprises the following steps: after weighing the raw materials, stirring and mixing the modified sintered mullite, the mineral admixture, the coral aggregate, the zeolite, the cement and the clay to obtain a mixture; nano bubble water is added into the mixture for secondary stirring, and the 3D printing light-weight high-strength low-carbon cement-based material is obtained. The composition provided by the invention can be used for preparing a cement-based material by a 3D printing technology, and has the advantages of high compressive strength and good durability.

The invention provides a cross-shaped moisture absorption and sweat releasing polyester fiber and a preparation method thereof, and relates to the technical field of polyester fiber production. The cross section of the cross-shaped moisture absorption and sweat releasing polyester fiber is in a cross shape, the cross-shaped moisture absorption and sweat releasing polyester fiber comprises four ribs evenly distributed in the circumferential direction and a cross-shaped through hole located in the center, a plurality of micropores are distributed in the surfaces of the ribs, and the average pore size of the micropores is 0.1-0.5 micrometer; secondly, the polyester fiber is composed of hydrophilic modified polyester, hydrophilic polyester master batches containing calcium carbonate powder and a moisture absorption and sweat releasing agent according to the mass percentage of 70-85: 10-20: 5-10, and the moisture absorption and sweat releasing agent is a polyether ester block copolymer. According to the cross-shaped moisture absorption and sweat releasing polyester fiber, the cross section is cross-shaped, the cross-shaped moisture absorption and sweat releasing polyester fiber has a large specific surface area, moisture diffusion and evaporation are facilitated, the moisture absorption performance of the fiber can be improved through the micropores in the surfaces of the beads, air circulation is facilitated through the cross-shaped through hole in the center, and the sweat releasing effect is improved.

The invention provides a camel hair and comfortable stretch yarn composite flocculus, which is composed of 60% by mass of camel hair and 40% by mass of comfortable stretch yarn, the invention also provides a preparation method of the camel hair and comfortable stretch yarn composite flocculus, and the preparation method comprises the following steps: (1) combining the camel hair and the comfortable stretch yarn, and (2) sequentially carding fibers from a working roller 1 to a working roller 2 to a working roller 3 to a working roller 4 to a working roller 5 for 22S, 19S, 17S, 15S and 12S. 3, the carded fiber wadding is laid into a wadding sheet with a certain thickness to be used in the next process. Non-woven fabrics are added up and down in advance. And finishing the preparation of the camel hair and comfortable stretch yarn composite flocculus. The camel hair composite flocculus has the advantages of being light, thin, soft, fluffy and warm. The camel hair composite flocculus is unique in style, smooth in hand feeling, rich in elasticity and suitable for being used for filling thermal insulation materials in camel hair cold protective clothing and camel hair skiing suits, the limitation that the filling materials in high-end cold protective clothing and skiing suits are single is changed, and the camel hair composite flocculus is well received by users.

The invention provides a frame type three-dimensional structure composite material forming mold, and belongs to the field of mold design and manufacturing. And a series of problems of high integral forming difficulty, multiple internal defects and the like of the longitudinal beam reinforced composite cabin are solved. The core mold, the flange plate, the inner split part, the outer split part, the upper flange, the lower flange and the outer pressurizing frame part are designed, the form and position precision of the mold is guaranteed through positioning, limiting and connecting screws of all the parts, and the purpose of integrated forming of a product is achieved. The method is mainly used for integrally forming the frame type three-dimensional structure composite cabin. By means of the frame type three-dimensional structure composite material forming mold, frame type composite material integral forming can be achieved, and the continuity of fibers is guaranteed.

The utility model provides a slivering production line and a hollow fine dried noodle production line, and relates to the field of equipment. The slivering production line comprises a flattening device, a fermenting device and a slitting device which are arranged in sequence. The flattening device comprises a first conveying belt, a first rolling assembly and a cutting assembly, and the first rolling assembly and the cutting assembly are both installed on the first conveying belt. The fermenting device comprises a second conveying belt, a third conveying belt, a folding assembly and a second rolling assembly, the second conveying belt is arranged at the end, provided with the cutting assembly, of the first conveying belt, the third conveying belt is arranged at one end of the second conveying belt, and the folding assembly is arranged between the second conveying belt and the third conveying belt; the second rolling assembly is arranged on the third conveying belt. The slitting device comprises a rack, a rotating roller assembly, a cutter assembly and a driving assembly. The roller assembly and the cutter assembly are both installed on the rack, the cutter assembly is provided with a plurality of blades arranged at intervals, and the driving assembly is installed on the rack and is in transmission connection with the roller assembly and the cutter assembly. And assembly line type slivering can be realized.

The invention discloses equipment for producing various building materials, which comprises a supporting base, outer side plates are arranged at the two ends of one side of the top of the supporting base, first rails are arranged at the tops of the outer side plates, first sliding blocks matched with the first rails are arranged on the first rails, a first mold supporting plate is transversely erected at the tops of the first sliding blocks, and a second mold supporting plate is arranged at the top of the first mold supporting plate. A first lower die is arranged at the top of the first die supporting plate, main belt wheels are arranged on the two sides of the upper portion of the inner side of the outer side plate on one side, a first secondary belt wheel and a second secondary belt wheel are arranged above and below the side edge of each main belt wheel, and the main belt wheels are connected with the first secondary belt wheels and the second secondary belt wheels through belts. A conveying shaft is connected to the middle of the main belt wheel on one side, and the output shaft penetrates through the outer side plate and is connected with a first driver installed at one end of the outer portion of the outer side plate. The method has the beneficial effects that the produced building materials are high in universality, low in manufacturing cost, high in production efficiency, low in rejection rate and high in utilization rate of raw materials.

The invention provides a preparation method of an integrated MXene / PDA-coated MF-EF solar steam generator with a semi-cladding structure, and the method comprises the steps: S1, employing an HF etching method, and preparing MXene; s2, based on the prepared MXene, preparing an MXene / PDA photothermal conversion light absorption layer; and S3, preparing MXene / PDA (at) MF-EF on the basis of the prepared MXene / PDA. The MXene / PDA-coated MF-EF evaporator prepared by the preparation method disclosed by the invention shows good long-term stability and salt resistance. Considering that the MXene / PDA (at) MF-EF is economical, extensible and simple in preparation process, the MXene / PDA (at) MF-EF evaporator achieves production of clean water through the coordination effect of heat management and water management, and a feasible and stable alternative scheme is provided for solar water evaporation in various water environments. A solution thought is further provided for achieving the purpose that the solar-driven interface evaporation seawater desalination technology obtains fresh water in areas such as coastal areas and offshore islands, and a new way is provided for reasonable design of novel photo-thermal conversion materials.

The invention relates to the technical field of biosynthesis of salidroside, in particular to a metabolic engineering modified tobacco BY2 cell and application of the metabolic engineering modified tobacco BY2 cell in production of salidroside. The metabolic engineering modified tobacco BY2 cell is constructed according to the following method: S1, connecting nucleotide sequences of an Rr4HPAAS gene, an Rr4HPAR gene and an RrUGT33 gene in series, and inserting into an expression vector to obtain a recombinant plasmid pK7FGW2-HHU; and S2, transferring the recombinant plasmid pK7FGW2-HHU into a tobacco BY2 cell through an agrobacterium tumefaciens mediated method, so as to obtain the metabolic engineering modified tobacco BY2 cell. The invention provides a metabolic engineering modified tobacco BY2 cell and application of the metabolic engineering modified tobacco BY2 cell in salidroside production, and aims to reconstruct a salidroside metabolic pathway, realize salidroside heterologous production and reduce the production cost of salidroside.

The invention discloses a clay activation process coupling oxygen-fuel combustion and suspension calcination, and relates to the technical field of cement raw material treatment. The invention relates to a clay activation process for coupling oxygen-fuel combustion and suspension calcination, which is characterized in that smoke of oxygen-fuel combustion is used as combustion gas, so that the heat loss of heating low-temperature air is avoided, the oxygen content in the smoke can be controlled, the combustion effect of alternative fuel is improved, and the reducing atmosphere is maintained; meanwhile, compared with single suspension calcined clay, oxygen-free environment cooling and reducing atmosphere calcination are achieved under the condition that additional means are not added, the use of alternative fuel can be further improved, tail end smoke can return to an oxygen-fuel combustion production line and enter a carbon capture system, and production of zero-carbon calcined clay is truly achieved; the problem of high carbon emission in traditional cement production is solved while optimal allocation of resources and efficient utilization of energy are achieved, zero-carbon cement preparation is achieved, carbon emission in the cement industry is remarkably reduced, and the environmental influence is reduced.

The utility model discloses a turntable driving device for glass manufacturing, relates to the field of glass production devices, and aims to solve the problems that a turntable is mounted at the lower end of an electric push rod, a glass cutter is mounted at the lower end of the turntable, and glass is cut through rotation of the turntable during production of round glass in the prior art. And no contraction structure is arranged between the lower end of the electric push rod and the turntable, so that the glass is easily crushed by excessive descending when the driving structure drives the turntable to descend to cut the glass. A shrinkage groove is formed in the lower end of a movable rod of the electric push rod, a shrinkage rod is connected to the lower end of the interior of the shrinkage groove, the lower end of the shrinkage rod extends out of the shrinkage groove and is fixedly connected with a pressing plate, a rotating disc is movably connected to the pressing plate, and a rectangular limiting groove is formed in the middle of one side in the rotating disc; a threaded sliding block is connected into the rectangular limiting groove in a limiting mode, a fixing cylinder is fixedly connected to the lower end of the threaded sliding block, a connecting rod is connected to the lower end of the fixing cylinder, and a glass cutter is fixedly arranged at the lower end of the connecting rod.

The invention discloses a production process and device of lobster feed, and the production process of the lobster feed comprises the following steps: step 1, carrying out puffing extrusion treatment on a first material to obtain puffed feed strips; step 2, carrying out first drying treatment on the expanded feed strips; step 3, performing extrusion treatment on the second material outside the expanded feed strip to obtain an extruded feed sleeve, so as to obtain a sandwich feed strip; step 4, cutting the sandwich feed strips to obtain sandwich feed particles; 5, the sandwich feed particles are subjected to second drying treatment.The production technology of the lobster feed can obtain the sandwich feed particles, the sandwich feed particles are mixed feed particles of the expanded feed and the extruded feed, the nutrient substance advantages of the expanded feed and the extruded feed are combined, the lobster breeding requirement is better met, and the lobster breeding quality is improved. The production device of the lobster feed is used for realizing the production process of the lobster feed.

This invention relates to a method for producing thin-gauge low-density steel sheets using a lap-rolling process. The chemical composition of the steel sheet, by mass percentage, is: C: 0.70–1.20%, Si: 0.10–0.50%, Mn: 16.00–24.00%, P: ≤0.015%, S: ≤0.003%, Al: 7.00–10.00%, Ni: 4.00–8.00%, Nb+Ti: 0.02–0.20%, with the balance being iron and unavoidable impurities. The method includes the following steps: billet preparation, billet compositing, billet welding, compositing billet heating, compositing billet rolling, steel sheet separation, and compositing billet straightening. A low-density steel intermediate billet of a certain thickness and identical length and width is selected as the lap-rolling billet. After welding, thin-gauge low-density steel sheets with a thickness of 3–6 mm and a width of 2000–3500 mm are produced on a medium-thick plate mill. The steel plate has an Fe-Mn-Al-C series composition and a density of 6.90-7.10 g / cm³. 3 The finished steel plate has a yield strength ≥1000MPa, tensile strength ≥1100MPa, elongation ≥20%, and Charpy V impact energy ≥20J at -40℃. The rolled steel plate has good uniformity in shape, thickness tolerance ≤±0.25mm, and flatness ≤4mm / m.

The invention relates to the technical field of steel and iron smelting, in particular to a smelting method of ultra-low carbon steel, which overcomes the defects that secondary oxidation of blown molten steel after strong drawing of a converter easily causes deterioration of steel cleanliness, causes blockage of a water gap and further causes pouring interruption. According to the smelting method, the carbon element content and the oxygen element content in molten steel components are accurately controlled, the cleanliness of the molten steel is improved, ultra-low carbon steel production is achieved under the condition that a converter lining is not damaged, and the castability of the molten steel is ensured through continuous casting protection casting. Meanwhile, the smelting method is safe, reliable, convenient to operate and suitable for mass production.

The utility model belongs to the technical field of double-sided release film production, particularly relates to a double-sided release film production processing device, and aims to solve the problems that the efficiency is low and the precision is easily influenced by operators when the position of a cutting blade is manually adjusted to adjust the cutting width in the prior art; in order to solve the problems that in the prior art, due to the fact that a dust removal roller is short of a self-cleaning function and needs to be frequently shut down for cleaning, the production efficiency is influenced, the following scheme is provided: the automatic dust removal device comprises a rack, and an unwinding roller and a winding roller which are used for unwinding and winding are arranged at the top of the rack. On the basis of high-precision displacement adjustment, vibration offset is eliminated through the self-locking characteristic of a worm gear, and the stability of the slitting width of film materials of different specifications is ensured. The self-cleaning assembly integrating the scraping plate and the negative pressure dust collection removes impurities on the surface of the dust removal roller through dynamic contact type scraping, the dust is sucked away in real time in combination with a negative pressure pipeline, the efficient dust removal period is prolonged, and the shutdown maintenance requirement is reduced.

The invention discloses a method for promoting microalgae to produce biodiesel by using ozone to treat landfill leachate at low temperature, belongs to the field of microalgae bioengineering, and particularly relates to a method for promoting microalgae to produce biodiesel by using ozone to treat landfill leachate at low temperature. According to the invention, the current situation that the landfill leachate is difficult to biologically utilize is overcome, and the production of clean energy is realized. The method comprises the following steps: 1, inoculating microalgae into a culture medium, and culturing the microalgae to a logarithmic phase; 2, treating the landfill leachate by utilizing ozone; 3, inoculating the seed solution to the ozone-oxidized landfill leachate, adjusting the pH value, culturing to a logarithmic growth later stage, and centrifugally collecting algae cells; and 4, freeze-drying the algae cells, and extracting grease in the algae cells by adopting ultrasonic crushing in combination with an organic solvent. The biodegradability of biomass resources in the landfill leachate is improved through ozone oxidation under the low-temperature condition to promote microalgae to produce biological energy, the stress resistance of the microalgae under the low-temperature condition is improved, and microalgae biological energy production is promoted.

The utility model discloses an electronic product auxiliary material belt processing device, and belongs to the field of electronic auxiliary material belt processing. An electronic product auxiliary material belt processing device comprises a base plate and clamping bases fixed to the two sides of the base plate, a discharging roller and a collecting roller are rotationally connected into the clamping bases on the two sides respectively, a material belt body is wound around the discharging roller, and the electronic product auxiliary material belt processing device further comprises a pressing die plate which ascends and descends in the horizontal direction perpendicular to the material belt body. Mold pressing blades are arranged at the bottom of the mold pressing plate at equal intervals; by means of downward pressing of the pressing die plate, pressing die cutting of the material belt body is achieved, machining of the material belt body is completed, through arrangement of a piston groove, a piston plate, a jacking plate and a second guide pipe, cleaning of the surface of the material belt body is achieved, the cleanliness of the surface of the material belt body is improved, and through arrangement of a first guide pipe and a slag collecting box, the material belt body can be machined conveniently. And the material slag generated during pressing die cutting is rapidly collected, the material slag is prevented from being scattered and splashed in a machining area, and the cleanliness in the machining area is effectively improved.

The present invention discloses a unidirectional stretch geogrid and a manufacturing device thereof, and belongs to the technical field of plastic geogrids. The unidirectional stretch geogrid comprises transverse grid bars and longitudinal grid bars, which cross each other to form a number of regularly arranged rectangular meshes, with a mesh width of 20-50 mm and a mesh length of 200-500 mm; the thickness of the transverse grid bars is 3-20 mm. The present invention is applied to the field of soil reinforcement in engineering construction, and solves the problems that the existing geogrid is applied to the reinforcement of large-size soil in a poor environment, and has a small pull-out force and poor reinforcement performance, and proposes a technical method for a geogrid product and a manufacturing device thereof which is suitable for the reinforcement of large-size soil, has high pull-out resistance, and has excellent reinforcement performance.

The present invention belongs to the technical field of automobile interior processing, and discloses a device for hot pressing and forming covering automobile interior parts. Old automobile interior parts are discontinued, and it is difficult for customers to purchase the discontinued automobile interior parts, which in turn affects the trust relationship between manufacturers and customers. If manufacturers still use assembly line technology to manufacture the discontinued automobile interior parts, it will lead to high costs. The technical solution of the example of the present invention includes a box body, and support legs are fixedly installed at the four corners of the bottom surface of the box body, and a partition is fixedly installed in the box body. The present invention can set an array of molds, and through a translation device and a lifting device, the mold can be selected according to the interior panels required by the customer. The upper compartment and the lower compartment can respectively store the molds, so as to realize the production of various interior panels and meet the customization needs of the discontinued interior panels. In addition, if the customer's interior parts only have film materials, it is only necessary to remove the film materials, and then replace the film materials and perform hot pressing and forming covering through the present invention.

The dual-purpose production unit comprises an inlet section, a process section and an outlet section, the process section comprises a cleaning section, a continuous annealing section, a zinc pot section, an after-plating cooling section, a finishing withdrawal and straightening section and a roller coating post-treatment section which are sequentially arranged in the strip steel production direction, and the zinc pot section is provided with a zinc pot and a zinc pot lifting assembly; the zinc pot lifting assembly drives the zinc pot to ascend and descend, so that the strip steel is immersed in or far away from zinc liquid in the zinc pot, whether the strip steel is galvanized or not is selected, original equipment of other working sections is shared when deep drawing steel or hot-dip galvanized steel is produced, the hot-dip galvanized steel can be produced, and the deep drawing steel can also be produced. And rapid wire cutting can be conducted on the same production unit, deep drawing steel products or hot-dip galvanized steel products can be produced, the problem that products produced by a traditional continuous hot-dip galvanizing unit are single is solved, the requirements of the market for different products can be rapidly responded, and then comprehensive benefits are improved.

The application discloses an aluminum cover forming method and an aluminum cover and relates to the technical field of aluminum cover manufacturing. The aluminum cover forming method comprises the following steps: S1, placing an aluminum plate into an initial forming die, and forming a macro-domain large curved surface in the middle of the aluminum plate and an initial foot position with the same height as a required foot position on the circumferential edge of the aluminum plate through the extrusion force of a press machine and the initial forming die; S2, placing the aluminum plate preliminarily formed in S1 into a final forming die, and further forming the macro-domain large curved surface formed in the middle of the aluminum plate into a final shape at room temperature through the final forming extrusion pressure of the press machine, and flowing and filling the edge cavity of the final forming die to form an edge through the extrusion of the final forming die, and forming a final foot position shape through the extrusion of the initial foot position; and S3, opening the die to take out the formed aluminum cover. The production of the large-size foot position height aluminum cover can be realized at room temperature, the energy consumption is low, and the aluminum cover is simple and convenient to manufacture.

The utility model belongs to the technical field of stamping dies, and particularly relates to a continuous stamping die which comprises an upper die and a lower die, and the upper die comprises an upper cover plate, an upper die base, an upper padding plate, an upper clamping plate, a back stripping plate and an upper stripping plate; the lower die comprises a lower die plate, a lower cushion plate, a lower die base and lower cushion feet. A plurality of punching male dies, first bending male dies and second bending male dies are sequentially arranged on the upper clamping plate; the lower base plate is sequentially provided with a punching female die, a first bending groove and a second bending groove which correspond to one another. An outer limiting assembly, an outer guide column assembly and an inner guide column assembly are arranged between the upper die base and the lower die base. According to the device, dies required by processes such as punching, 45-degree bending and 90-degree bending in workpiece production are integrated in the same die, so that continuous production of workpieces can be realized, the working intensity and the working time of manually fixing a plurality of independent dies are effectively reduced, and the processing efficiency and the processing precision are greatly improved.

The application discloses a tooling device, a variable-position tooling device clamping block and a tooth-protecting tooling device capable of preventing tooth falling, and the tooling device comprises a tooling device lower disc (4), a tooling device upper disc (5), a guide ring (6), a tooth protector (7) and a guide ring base body (9), the tooth protector (7) is movable between the guide ring (6) and the guide ring base body (9), and the tooling device lower disc (4) is connected with the tooling device upper disc (5) through the variable-position tooling device clamping block. The tooling device compatibility is improved, the defect that a tooling device can only be matched with a single product is solved, and tooling device machining cost is saved.

The utility model relates to a winding device and a batch winding mechanism for concrete product mold sealing rope production, and belongs to the technical field of continuous rope manufacturing. Comprising a hollow rotary hollow wiring pipe, a rope inlet and a rope outlet are formed in the two ends of the rotary hollow wiring pipe respectively, a driven belt wheel is arranged on the outer wall of the end, close to the rope inlet, of the rotary hollow wiring pipe, and a pay-off reel is arranged on the outer wall of the end, close to the rope outlet, of the rotary hollow wiring pipe. The rotary hollow wiring pipe passes through a first bearing seat, the rotary hollow wiring pipe is rotatably mounted on the rack, and the power mechanism is used for driving the rotary hollow wiring pipe to rotate. The recycled cotton sealing strip has the advantages that the outer layer winding rope and the core rope are combined to form the rope, the rope can be used as a recycled cotton sealing strip finished product, and the sealing strip enables concrete grout not to leak easily. The recycled cotton sealing strip not only can be used as a recycled cotton sealing strip for a concrete product mold, but also can be bound on the surface of a steel pipe and other objects to achieve the purposes of isolation and collision protection.

The utility model relates to a continuous hydrolysis reaction tower device which comprises a lower barrel body mechanism, a main barrel body mechanism and an upper barrel body mechanism, the lower barrel mechanism comprises a skirt barrel, a lower end socket, a lower barrel and a lower conical shell, the lower barrel is fixedly mounted by utilizing the skirt barrel, the lower end of the lower barrel is plugged by the lower end socket, and a drain outlet is formed in the lower end socket; the large end of the lower conical shell is hermetically connected with the upper end of the lower barrel; the main cylinder body mechanism comprises a main cylinder body, a jacket and a plurality of tower plate assemblies; the lower end of the main cylinder is connected and sealed with the small end of the lower conical shell; the jacket sleeves the outer side of the main cylinder body; the plurality of tower plate assemblies are mounted in the inner cavity of the main cylinder; a hydrolysate inlet is formed in the lower end of the main barrel; the upper cylinder body mechanism comprises an upper conical shell, an upper cylinder body and an upper sealing head; the small end of the upper conical shell is hermetically connected with the main barrel, and the large end is hermetically connected with the upper barrel; the upper end socket seals the upper end of the upper cylinder body, and a hydrolysate outlet is formed in the upper end socket; the structure is reasonable, and continuous production of pantoic acid lactone hydrolysate is realized.

The invention relates to the technical field of lithium ion batteries, and particularly discloses a high-stability lithium battery pole piece as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, adding a first binder into deionized water, uniformly dispersing, adding an oxidized conductive filler, stirring and mixing to obtain a first bonding layer solution, adding an active material, stirring and mixing, and carrying out spray drying at 150-160 DEG C to obtain a modified active material; s2, mixing the modified active material, a second binder and a conductive filler for 5-10 hours by a dry method; carrying out fibration treatment for 5-10 hours at the temperature of 150-200 DEG C to obtain a composite active material; s3, rolling the composite active material on the surface of the current collector to form an active layer of 50-300 [mu] m; the high-stability lithium battery pole piece is obtained. The first binder comprises one or more of polyacrylic acid, sodium carboxymethyl cellulose and polyethylene glycol; and the second binder is polytetrafluoroethylene.