3890 results about "Plastic film" patented technology

Frog farming method and frog cage are provided. The method comprises: I, putting young frogs in the frog cage in spring; II, putting lure attracting mosquitoes into the frog cage into the frog cage in summer and autumn, thereafter the frogs feed on the mosquitoes; III, avoiding snakes entering the frog cage in the place where the snakes inhabit; IV, covering the frog cage with plastic film in winter, mounting an electric lamp in the frog cage, increasing the temperature of air in the frog cage to keep the frogs not hibernating and promote the frogs to grow; V, adding artificial lure if necessary. The frog cage includes a fixed frog cage and a vehicle-mounted frog cage, both including inner tiers, wherein a water basin, a terrace and a stairway communicating the upper and lower tiers are arranged on each tier, and the frog cage is covered with a mesh enclosure. The frog framing method and frog cage have the advantages that the frogs are farmed in multi-tier cages, lures are used outdoors to attract insects, pests are eliminated for crops, natural ecology is balanced, and food sources are also provided for human; cage framing of frogs is very low in cost; frogs farmed have high reproductive rate, high disease resistance and high feed conversion capacity.

The invention discloses a metallocene polyethylene material, a composite mulching film and a preparation method thereof, and the metallocene polyethylene material comprises the following raw materials by mass: 75-85 parts of metallocene polyethylene resin, 15-25 parts of high density polyethylene, 0.05-0.2 part of a main antioxidant, 0.1-0.25 part of an auxiliary antioxidant, 1-2 parts of silane coupling agent modified nano zinc oxide, and 1-2 parts of silane coupling agent modified mica powder. And 0.05 to 0.2 part of a slipping agent. The prepared metallocene polyethylene composition has the advantages of excellent processability, tensile strength, mechanical strength, aging resistance and the like.

The invention relates to a plastic film defect detection device in the field of detection equipment, which is provided with a fixed clamping assembly and a movable clamping assembly to tension intermittently conveyed plastic films section by section instead of a floating roller tensioning mode adopted by a traditional film detection device, so that film vibration and motion artifacts during continuous conveying and shooting of the films are reduced, and the detection efficiency is improved. The shot plastic film has better flatness, the quality of the shot image is improved, and the accuracy of defect detection is further improved; meanwhile, the two ends of the to-be-detected film are clamped and fixed through the fixed clamping assembly and the movable clamping assembly, the probability that a tearing opening is expanded to a non-detection part of the film after the film is tensioned and torn is reduced, and the output of plastic film waste during detection is reduced; in addition, through the cutting assembly and the secondary feeding mechanism, cutting of the unqualified part of the film and secondary feeding of the part to be detected are achieved.

The invention discloses a multi-group film winding tension cooperative control system, which belongs to the technical field of plastic film production control, and comprises a plurality of groups of parallel winding devices, each winding device is provided with a motor, a winding wheel group, a belt, a speed sensor, a laser range finder, a data acquisition module, a tension calculation module, a speed adjustment module and a control execution module, the tension calculation module is used for acquiring corrected winding tension characteristics according to the film winding tension information, and the speed adjustment module is used for adjusting the winding speed according to the tension information and the historical tension information and outputting the corrected winding speed; through comprehensive consideration of multiple factors, the tension calculation accuracy is improved, cooperative control over the tension of multiple sets of films is achieved, and the purposes of dynamically adjusting the winding speed and then improving the system stability are achieved.

The invention relates to an arc slab manufacturing device and a manufacturing process. The arc slab manufacturing device comprises a rack, a device body arranged on the rack, a bearing table fixedly arranged in the device body, a mold arranged above the bearing table, a buckle cover arranged on the top of the device body and a plurality of radio frequency heaters arranged on the buckle cover. The fixing frame is arranged between the buckle cover and the device body and is hinged to the device body; the flexible molding film is arranged on the fixed frame and is positioned above the mold; the positioning and fixing mechanism comprises a positioning assembly and a fixing assembly; the positioning assembly is arranged on the die and used for automatically aligning and positioning the plate-shaped profile relative to the center of the die. The fixing assembly is arranged between the mold and the vacuum pump device and used for fixing the aligned and positioned plate-shaped sectional materials. The device has the effects that the plate-shaped profile can be conveniently and stably placed at the arc top of the mold, the positioning accuracy of the placement position of the plate-shaped profile is improved, and the positioning difficulty and the rejection rate are reduced.

The invention discloses an automatic strapping machine for a cigarette case production line. The automatic strapping machine comprises a rack, a paperboard outlet unit, a strapping unit and a finished product outlet unit. The rack comprises a lower bracket, a positioning backup plate, an upper bracket and a middle plate; the lower support comprises a working platform, two guide grooves transversely formed in the left middle portion of the working platform and a bundling opening formed in the right middle portion of the working platform. The positioning backup plate is fixed to the working platform and located on the front sides of the two guide grooves in parallel. The upper support comprises a top plate and a middle plate which is hung below the top plate and located over the bundling opening. The paperboard outlet unit comprises a paperboard pressing mechanism and a paperboard feeding mechanism; the bundling unit comprises a coated paper placing mechanism, a coated paper feeding mechanism, a coated paper pulling mechanism, a coated paper pressing mechanism, a coated paper cutting mechanism, a paperboard lifting mechanism, a coated paper bending mechanism and a coated paper hot-bonding mechanism; the finished product output unit comprises a finished product output table, a finished product receiving table and a finished product pushing mechanism. The strapping device is good in strapping quality and high in automation degree.

The invention relates to the field of plastic films, and particularly discloses a bio-based antibacterial cool-feeling breathable film and a preparation method thereof. The bio-based antibacterial cool-feeling breathable film is prepared from the following raw materials in percentage by weight: 49 to 66.5 percent of matrix resin, 30 to 40 percent of pore-foaming agent, 1 to 3 percent of silane modified cellulose nanofiber, 1 to 2 percent of antibacterial agent, 1 to 5 percent of composite cool-feeling agent and 0.5 to 1 percent of auxiliary agent, the matrix resin comprises PBAT resin and PLA resin in a mass ratio of (7: 3)-(5: 5); the composite cool feeling agent comprises nano aluminum nitride and graphene in a mass ratio of (5-15): 1. The bio-based antibacterial cool-feeling breathable film can be used for medical dressings, disposable medical supplies, mother and baby products and the like, and has the advantages of being good in breathability and moisture penetrability, high in antibacterial capacity, lasting in antibacterial effect, high in mechanical strength, high in cool-feeling coefficient, comfortable to wear and not prone to stuffiness.

The invention provides a winding device for a flexible plastic film, and belongs to the technical field of flexible plastic film winding, the winding device comprises a supporting frame and a winding mechanism arranged in the supporting frame, the winding mechanism comprises a rotating frame rotationally connected to one end of an inner cavity of the supporting frame, and a jacking assembly is arranged between the two ends of the inner cavity of the rotating frame; a plurality of bearing notches are formed in the outer arc surfaces of the circular disc bodies at the two ends of the rotating frame, a feeding assembly matched with the bearing notches is arranged at the other end of the supporting frame, a plurality of auxiliary rollers are rotationally connected into each bearing notch, a first motor is arranged on one side of the supporting frame, and an output shaft of the first motor is fixedly connected with one end of the rotating frame. By means of automatic feeding, alternate switching of the winding rollers, a jacking and compacting structure and a rapid cutting mechanism, continuous winding and non-stop coil unloading are achieved, the production efficiency is remarkably improved, meanwhile, deformation caused by winding looseness or inertia during coil unloading is avoided, and stable quality of finished products is guaranteed.

The invention relates to the technical field of battery production and manufacturing, and particularly provides aluminum plastic film packaging equipment for a solid-state battery. The equipment comprises a rack, wherein a material table is arranged on the rack; the two overturning tables are symmetrically arranged on the two sides of the material table and arranged on the machine frame in a horizontal and opposite overturning driving mode. An adsorption platform is arranged on the overturning table; the two tensioning mechanisms are symmetrically arranged on the two overturning tables; the two edge sealing mechanisms are symmetrically arranged on the two overturning tables; the side clamping mechanism is arranged on the rack and is used for laterally clamping the battery cell; the pressing mechanism is arranged on the rack and is used for pressing the top end of the battery cell; and the lifting execution piece is assembled at the lifting end of the downward pressing mechanism. According to the equipment provided by the invention, the shaping and wrapping tightness of the aluminum plastic film on battery cell packaging is improved in various modes of packaging positioning, aluminum plastic film lifting and tensioning and the like, so that the influence of obvious packaging gaps on mechanical buffer protectiveness, heat dissipation, battery module assembly difficulty, light weight and the like of the battery cell is reduced, and the overall quality of the battery is improved.

The utility model discloses a novel carton film opening machine which comprises a machine frame and a conveying mechanism, the conveying mechanism comprises a first conveyor and a second conveyor which are installed on the machine frame, a discharging opening is formed in one side of the tail of the first conveyor, and the second conveyor is arranged at the discharging opening. A material pushing mechanism is arranged above the first conveyor at the discharging opening and is used for conveying the cartons on the first conveyor to the second conveyor from the discharging opening; film cutting mechanisms are symmetrically arranged on the two sides of the first conveyor and the two sides of the discharging opening; and a film tearing mechanism is arranged on the second conveyor. And a collecting mechanism used for collecting and storing the plastic film is arranged below the second conveyor and corresponds to the film tearing mechanism. The device is simple and effective in structure, the plastic film outside the carton can be efficiently cut and torn off, the torn plastic film can be effectively collected, and the production efficiency is remarkably improved.

The utility model discloses a heat-sealing and heat-cutting mechanism of a bag making machine. The heat-sealing and heat-cutting mechanism comprises a rack, the heat sealing mechanism is arranged on the rack; the hot cutting mechanism is arranged on the rack; the movable installation base is slidably installed on the rack, and a strip-shaped operation opening is formed in the middle of the movable installation base. The air cylinder is arranged on the rack and used for driving the movable mounting base to move repeatedly. The pressing platform is arranged on the movable mounting seat and is used for pressing to be in contact with the plastic film; according to the bag making machine, the downward pressing platform is started to make contact with the plastic film, and the heat sealing mechanism is started to penetrate through the operation opening to conduct hot pressing on the plastic film; the negative pressure adsorption assembly is started to adsorb the plastic film to the downward pressing platform, the first electric cylinder is started to drive the movable mounting base to move to the hot cutting station along with the plastic film, the situation that the position of the plastic film is prone to deviation in the conveying process is avoided, and the accuracy of the hot cutting position is guaranteed.

The present invention relates to the technical field of the curing of precast concrete components, and in particular to an anti-cracking film covering device for a precast concrete component, and a film covering method. The anti-cracking film covering device comprises a film covering frame, wherein one side of the film covering frame is fixedly connected to side film covering modules distributed at the front and back; the top of the film covering frame is further fixedly connected to a horizontally arranged balance module; one side of the film covering frame is further fixedly connected to a synchronous movement module; and one side of the synchronous movement module is further fixedly connected to an obliquely arranged pressing module. In the present invention, by means of reserving a certain length of plastic film, a second hydraulic rod driving a friction plate to move downwards, and the bottom of the friction plate coming into contact with the plastic film, the purpose of fixing the plastic film is achieved; pulling the film covering frame realizes the covering of a precast component with a film by a single person; the arranged side film covering modules ensure that a side face of the precast component is pressed, thereby guaranteeing that the side face of the precast component is tightly covered with a film and ensuring the quality of the precast component; and under the action of a water pump, arranged nozzles can uniformly and stably water a surface of the precast component for curing.

The invention relates to the field of waste plastic recycling, and discloses plastic film recycling equipment which is used for cleaning and recycling broken plastic films. Comprising a cleaning pool, an inclined conveying belt is arranged at the tail end of the cleaning pool, water filtering holes are formed in the conveying belt, and an extrusion component is arranged on the conveying belt; and the fished-out fragments are extruded by the extrusion part, so that the drainage speed of the fragments is accelerated, and the subsequent recovery processing step is ensured to be smoothly carried out. A traditional conveying belt drains water only by means of gravity, and water in wet plastic fragments and between layers is difficult to effectively discharge, so that the water yield is large. The intermittent extrusion action is introduced in the operation cycle of the conveying belt, and the'wet cake 'structure formed by the surface tension of a water film of the wet material is destroyed in the squeezing process, so that the moisture is easier to release, the initial moisture content of the material is greatly reduced, the load of subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and the operation cost are remarkably reduced.

The invention discloses an efficient ejection anti-deformation injection mold mold frame, and belongs to the technical field of molds, the efficient ejection anti-deformation injection mold mold frame comprises a male mold, a first groove chamber is formed in the male mold, a male mold core is embedded in the first groove chamber, and the male mold core abuts against the wall body of the first groove chamber; a plurality of mold cavities are formed in the upper end face of the male mold core, and air guide layers are arranged on the inner walls, attached to the mold cavities, of the male mold core. A plurality of air nozzles are arranged in the air guide layer along the plane section of the die cavity; air holes which are densely distributed are formed in the top end of the air tap; an included angle air tap attached to the included angle is also arranged at the included angle of the die cavity in the air guide layer; the included angle air taps extend from the included angles to the wall body of the plane section of the die cavity; a plastic film is laid on the upper end face of the male mold and attached to the upper end face of the male mold and the upper end face of the male mold core. And drawing mechanisms are arranged at the upper ends of the two sides of the male mold. Efficient drawing can be achieved, and the separation efficiency of a model and a mold core is improved.

The invention relates to the technical field of plastic films, and provides a degradable plastic film and a preparation method thereof.The mode that microorganisms are placed between an inner layer film and an outer layer film in advance is adopted, auxiliary degradation of the degradable plastic film after use is achieved, the meeting and matching links of the degradable plastic film and the microorganisms in the external environment are reduced, and the degradation efficiency of the degradable plastic film is improved. The degradable plastic film is good in degradation environment matching performance and shorter in degradation period and comprises an inner-layer film and an outer-layer film, the inner-layer film and the outer-layer film are formed in a heating and rolling mode, a plurality of film-closing-free areas are arranged between the inner-layer film and the outer-layer film, microbial carriers are arranged in the multiple film-closing-free areas, and the microbial carriers are arranged between the inner-layer film and the outer-layer film. The inner layer film and the outer layer film are both formed by casting matrix plastic, and the matrix plastic is prepared from the following raw materials in parts by weight: 55 to 68 parts of polyvinyl chloride, 40 to 50 parts of polylactic acid, 22 to 28 parts of polyvinyl acetate, 15 to 20 parts of plant straw, 7 to 10 parts of ionic compound, 11 to 14 parts of flexibilizer, 14 to 20 parts of coupling agent and 13 to 16 parts of strength additive.

The invention relates to the technical field of information processing, and discloses a method for dynamically regulating and controlling production parameters of a plastic film by utilizing program process scheduling. The method comprises the following steps: converging a real-time parameter sequence to a digital twinborn body to establish virtual mapping, and constructing a multi-dimensional data model; analyzing a material state evolution trend in the digital twinborn body, synchronizing with a physical production line state, fusing historical data to predict a potential influence range, and generating a regulation and control demand report; generating an adjustment scheme draft, performing priority ranking on simulation tasks in the adjustment scheme draft by adopting a program process scheduling algorithm, dynamically allocating computing resources, executing the simulation tasks in parallel, and determining an optimization parameter set in combination with a gradient descent algorithm; and iteratively correcting the parameters in the digital twinborn body through feedback circulation to generate a final coordination control instruction, inputting the final coordination control instruction into the digital twinborn body, confirming synchronism and outputting a report. According to the invention, the precision of dynamic regulation and control of the production parameters of the plastic film is improved.

The utility model discloses a paper roll waste film stripping device which comprises an unwinding assembly and further comprises a waste film winding assembly, a transverse cutting assembly and a paper collecting assembly which are sequentially arranged from right to left, the unwinding assembly is used for unwinding the paper roll and forming continuous paper, the waste film winding assembly is used for removing a plastic film locked and covered on the paper, and the transverse cutting assembly is used for cutting the paper roll. The transverse cutting assembly is used for cutting continuous paper to meet the export standard, the paper collecting assembly is used for receiving the cut paper and stacking the cut paper, paper rolls can be subjected to unwinding, plastic film removing, cutting and paper stacking and collecting work, the integration degree is high, and the working efficiency is high; the transmission device is used for delivering the paper from the transverse cutting assembly into the paper collecting assembly so as to prevent the cut paper from sliding off, the first conveying belt in the transmission device and the transverse cutting assembly share one power source, the manufacturing cost of the equipment is reduced, and the integration degree is improved.

The invention relates to the technical field of outer layer materials of aluminum-plastic films for battery packaging, and discloses a new energy battery packaging film and a preparation method thereof.The preparation method comprises the steps that in a molten state and under the action of a free radical initiator, a self-made grafting monomer is grafted to a molecular main chain of LLDPE resin through a free radical graft copolymerization reaction, and epoxy LLDPE master batches are prepared; the preparation method comprises the following steps: based on an epoxy-amido ring-opening reaction mechanism, carrying out melt blending on an epoxy-based LLDPE master batch and PA6 resin to generate a bridging type PA6-LLDPE composite master batch, and carrying out blow molding to prepare a PA6-LLDPE film; a PA6-LLDPE film is used for replacing an outer layer PA6 film in an aluminum plastic film, and the new energy battery packaging film is prepared. The prepared PA6-LLDPE film product can replace an outer layer pure PA6 film of an aluminum plastic film to be used for packaging a battery which is high in product falling risk and few in burrs in the assembling process, so that the beneficial technical effect of reducing the overall production cost of the aluminum plastic film is achieved.

The invention discloses a plastic film production tension adjusting device, and relates to the technical field of film production, the plastic film production tension adjusting device comprises a conveying frame, two corresponding first sliding grooves are formed in the conveying frame, and first sliding mechanisms are arranged in the first sliding grooves; the device has the beneficial effects that whether wrinkles exist on the surface of a thin film or not can be detected through a second laser scanner, data are transmitted to a control terminal, and then the positions and the directions of the wrinkles are determined; then a first servo motor is started in advance to drive a first rotating shaft, a first gear, a second rotating shaft and a second half gear to rotate, then a rotating seat and an electric telescopic rod are driven to rotate, and then the rotating direction of a mounting plate and a scraper blade can be adjusted according to the position and direction of the folds; and meanwhile, an electric telescopic rod is started to stretch out to drive a mounting plate, a scraper and a first film pressure sensor to descend and make contact with the film to smooth wrinkles.

The utility model discloses sewage liquid level detection equipment in a sewage pipeline well, which relates to the technical field of liquid level detection equipment, and comprises a net cylinder and a floating body mechanism, the inner bottom wall of the net cylinder is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a cylinder cover, the floating body mechanism penetrates through the cylinder cover, and a force storage rebound mechanism and a cleaning mechanism are arranged in the net cylinder. The cleaning mechanism comprises a mounting plate, and a plurality of knocking rods and water stirring plates are fixedly connected to the side, close to the inner wall of the net barrel, of the mounting plate. The device has the beneficial effects that a power mechanism drives a rotating mechanism, the rotating mechanism drives a sleeve to do circular motion, a movable rod continuously extrudes a pressure bearing assembly, the movable rod is rapidly released after force is stored, the movable rod drives a mounting plate to rapidly move towards the inner wall of a net cylinder, a knocking rod knocks the net cylinder, and the net cylinder vibrates; and the water stirring plate stirs sewage in the mesh cylinder, so that the sewage rushes out of the mesh cylinder, and impurities such as plastic films attached to the mesh cylinder are impacted, so that the impurities can be effectively scraped off by the scraper.

The utility model relates to the field of agricultural machinery, in particular to a residual film picking and recycling straw beating machine, which comprises a main frame, a traction frame and traveling wheels, and a straw beating device, a residual film picking roller, a packing device and a transmission device are arranged on the main frame. The plastic film residue picking roller is characterized by structurally comprising a track disc device, a roller body, a center transmission rotating shaft, a shaft disc, a roller side plate, a film picking elastic tooth set, a film picking crank and a crank roller. The machine is reasonable in structure, economical and practical, and can realize the combined operation of picking, recycling and packaging the residual films and smashing and returning the straws to the field; in the picking process, the residual film picking roller can be utilized, the burden is small, the overall flexibility of the picking roller can be effectively improved, and the residual film picking operation efficiency is greatly improved; the special suspension traction frame is utilized to solve the actual problem that an included angle formed between power input and a transmission shaft is too small, and backward transmission of the locomotive is not facilitated, and flexible connection steering and transmission between the traction locomotive and the operation agricultural machine can be achieved.

The invention provides a cross-medium printing process parameter adaptive optimization method based on AI migration knowledge, and relates to the technical field of intelligent printing. Comprising the steps of initialization and data connection establishment, multi-source data acquisition and knowledge migration fusion, topological mapping and initial parameter generation, ecological simulation and parameter dynamic evolution, cross-scale collaborative optimization and parameter fine adjustment, narrative derivation and optimized path planning, inter-equipment parameter collaboration and global optimization, and reverse process reconstruction and parameter self-repairing. According to the cross-medium printing process parameter adaptive optimization method based on the AI migration knowledge, multi-source data collection and knowledge fusion are achieved through the cross-medium printing process parameter adaptive optimization method based on the AI migration knowledge, and the cross-medium printing process parameter adaptive optimization method based on the AI migration knowledge has the advantages that the multi-source data collection and the knowledge fusion are achieved; and the printing requirements of various media such as paper, plastic films and ceramics can be effectively met, and the efficiency and accuracy of parameter optimization are improved.

The invention relates to the technical field of agricultural machinery, in particular to a straw smashing and plastic film residue recycling combined machine which mainly comprises a traction frame, a main machine frame, walking wheels, a depth limiting roller and a transmission mechanism, and the main machine frame is provided with a straw smashing mechanism, a plastic film residue removing mechanism and a packaging mechanism and further provided with any one of three picking mechanisms. The picking mechanism comprises a film lifting ground roller, a first film removing roller, a second film removing roller, a film loosening and deslagging roller and a plurality of film lifting belts arranged side by side, and film lifting teeth are arranged on the film lifting belts at intervals; the packaging mechanism comprises an open type box body, and a plurality of rotating rollers are installed on the rear portion of the open type box body and are arranged in an inclined straight line mode. The plastic film residue recycling machine is reasonable in structure, economical and practical, the problems that an existing plastic film residue recycling machine cannot achieve crop straw smashing and returning to the field and residues in plastic film residues cannot be effectively separated are effectively solved, film removing is clean and high in efficiency, film removing and residue removing are completed at a time in a streamline mode, and efficient straw smashing and returning, plastic film residue picking and recycling and packaging work is achieved.

The invention discloses a preparation method of a 3MDT dimming film and application of the 3MDT dimming film to automobile glass, and relates to the technical field of dimming films. The preparation method of the 3MDT dimming thin film comprises the following steps: uniformly mixing isobornyl acrylate, a cross-linking agent and a photoinitiator, adding a functional filler, stirring and uniformly mixing, adding micromolecular nematic liquid crystal, and stirring to obtain a liquid crystal composite system; injecting the liquid crystal composite system into a liquid crystal box, and performing ultraviolet irradiation to obtain an interlayer film; two PET plastic films serve as substrates, the inner surfaces of the substrates are coated with ITO conductive coatings, the interlayer film is arranged between the two substrates, and the 3MDT dimming film is obtained. The prepared 3MDT dimming film has good heat insulation performance and mechanical performance, the interlayer film of the 3MDT dimming film has excellent hydrophobic performance, and the 3MDT dimming film is suitable for being applied to the aspect of automobile glass.

Arrays of sanitary tissue products of the present disclosure may comprise a first sanitary tissue product in a first package that conveys strength, absorption, and / or softness, wherein the first package comprises a plastic film in contact with the first sanitary tissue product; and a second sanitary tissue product in a second package that conveys sustainability, wherein the second package comprises a sustainable package material in contact with the second sanitary tissue product. TS7, TS750, lint, slip stick, tensile ratio, VFS, and SST may be common intensive properties of the first and second sanitary tissue products. Further, packages of sanitary tissue products of the present disclosure may comprise a sustainable package material, a brand name, wherein the package conveys sustainability, and an indicia.

The utility model discloses an epiphytic plant planting plate capable of temporarily storing water, which comprises an injection-molded plate body, a plurality of regular hexagonal through holes which penetrate through the plate body are regularly arranged on the plate body, hollow tower-shaped structures are injection-molded on the regular hexagonal through holes on the front side of the plate body, the tower-shaped structures protrude upwards at the tops of the regular hexagonal through holes, and the top of the plate body is provided with a plurality of through holes. The tower-shaped structure comprises a plurality of uniformly distributed tower edges, a plurality of tower holes are uniformly formed among the plurality of tower edges, water can be attached to the tower holes and the tower edges under the action of surface tension, each tower hole is communicated with the regular hexagonal through hole, and the lower ends of the plurality of tower edges are correspondingly fixed with a plurality of uniformly distributed inner angles of the regular hexagonal through hole; the upper ends of the multiple tower edges extend upwards and then are fixed to the center line of the regular hexagon through hole, planting areas are formed between the adjacent tower-shaped structures, and the multiple planting areas are evenly distributed on the plate body; the high-strength plastic film has the mechanical properties of high strength, fatigue resistance and the like, can increase the humidity environment around plants, and is good in air permeability.

The utility model provides waste ternary soft package lithium battery recovery processing equipment. The waste ternary soft package lithium battery recovery processing equipment comprises a crusher, a first separation structure, a sorting machine, a color sorter and a second separation structure, the crusher decomposes the lithium battery into blocks; the first separation structure is used for performing wet screening on the blocks and drying materials obtained after wet screening to obtain negative electrode graphite powder and a first mixture; the sorting machine is used for screening the first mixture to obtain a diaphragm and a second mixture; the color sorter is used for performing color sorting on the second mixture to obtain a copper foil and a third mixture; and the second separation structure is used for dissolving and screening the third mixture to obtain positive electrode powder and an aluminum foil aluminum plastic film. The utility model provides waste ternary soft package lithium battery recovery processing equipment, and aims to solve the problems that in the prior art, in the process of crushing and recovering lithium batteries, crushed lithium battery blocks may block a discharge port of a crusher, and the energy consumption is large.

The invention discloses a three-layer co-extrusion plastic film extrusion tape-casting production device which comprises a shell, a film discharging mechanism is arranged on the shell, the discharging end of the film discharging mechanism extends into the shell, a material conveying mechanism is arranged in the shell, a sealing door is hinged to one side of the shell, the material conveying mechanism comprises a transmission cylinder rotationally installed in the shell, and the transmission cylinder is connected with the film discharging mechanism. A transmission cylinder is arranged in the shell, a fan is arranged on one side of the shell, the connecting end of the fan is communicated with the transmission cylinder, evenly-distributed communication holes are formed in the outer wall of the transmission cylinder, a middle limiting roller set is arranged on the shell, a compaction mechanism is arranged in the shell, and an air uniformizing cylinder is arranged in the transmission cylinder and communicated with the fan. The film is stably fixed through negative-pressure adsorption and pressing of the attaching frame, offset stretching in transmission is avoided, meanwhile, negative-pressure airflow makes direct contact with the film, residual heat of a core layer can be rapidly taken away, the film is cooled more thoroughly, shaping is more stable, and the probability of wrinkling and loosening in subsequent rolling is reduced.

The invention provides tillage and soil preparation equipment and method for improving the water utilization efficiency, and relates to the technical field of strip tillage and agricultural machinery, in particular to the tillage and soil preparation equipment and method for improving the water utilization efficiency. Therefore, the water utilization efficiency of soil and the yield and quality of crops are remarkably improved, the power consumption of tillage and soil preparation equipment can be reduced, the strip tillage quality and the strip tillage efficiency are improved, and the maintenance cost of machinery is indirectly reduced; the tillage and soil preparation equipment can achieve the integrated functions of straw returning, soil preparation, fertilization, pressing, drip irrigation belt laying, mulching film laying and the like, the tillage depth can be adjusted according to the actual situation, the number of the auxiliary racks can be selected according to the area of a field during tillage, the width can be adjusted by adjusting the width of the strip tillage wheel and the width of the pressing wheel, and the tillage and soil preparation efficiency is improved. And a wide-narrow row farming mode is realized by adjusting the distance between the auxiliary racks according to actual conditions.

The invention belongs to the technical field of silicon dioxide preparation, and particularly relates to a preparation method of a spherical silicon dioxide anti-blocking agent for a plastic film, and the method comprises the following steps: 1) preparing spherical silicon dioxide particles by a flame method; and 2) carrying out surface modification on silicon dioxide. According to the prepared silicon dioxide anti-blocking agent, the content of SiO2 is 90%-99.9%, the content of iron is smaller than or equal to 0.01 ppm, the content of sodium ions is smaller than or equal to 0.6 ppm, and the silicon dioxide anti-blocking agent has the advantages of being narrow in particle size distribution (D50: 150-1000 nm), excellent in dispersity, low in oil absorption value (15-30 mL / 100 g) and the like. The modified silicon dioxide is compounded with a plastic matrix to prepare a film, and compared with a plastic film without the silicon dioxide anti-blocking agent, the silicon dioxide anti-blocking agent can remarkably improve the anti-blocking performance and mechanical properties of the plastic film, for example, the tensile strength is improved by 10-30%, the elongation at break is improved by 10-30%, and the light transmittance is larger than 92%. Meanwhile, the thermal oxidation yellowing phenomenon caused by metal ions can be effectively inhibited.