1841results about "Mechanical working/deformation" patented technology

A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a back portion on the sheet bundle subjected to the center-folding process; and perform a crimp-binding process on the back portion; and a controller configured to: cause the center-folder to perform the center-folding process; and cause the back-crimp binder to perform the crimp-binding process on the back portion while forming the back portion on the sheet bundle in the crimp-binding process.

A medium processing apparatus includes a conveying unit, a liquid applier, and a crimper. The conveying unit conveys a medium in a conveyance direction. The liquid applier applies liquid to the medium conveyed by the conveying unit. The liquid applier includes a presser and a liquid application member. The presser presses the medium. The liquid application member contacts and is separated from the medium while the presser presses the medium. The crimper presses and deforms a plurality of media including the medium to which the liquid is applied by the liquid applier, to crimp and bind the plurality of media.

Method for dry-forming cellulose products from a cellulose blank structure in a product forming unit. The product forming unit includes a blank dry-forming module and a pressing module. The cellulose blank structure is air-formed in the blank dry-forming module onto a forming wire. The pressing module includes one or more forming molds for forming the cellulose products from the cellulose blank structure in a pressing operation. The method includes arranging the forming wire in a stationary mode during the pressing operation.

The invention discloses a moisture-proof corrugated paper generation method and system based on machine vision. Humidity distribution data are obtained through image acquisition equipment, uniformity deviation characteristics are extracted through an image processing algorithm and input into an intelligent analysis model, and if deviation exceeds a threshold value, a coating thickness adjusting signal is output to determine the spraying amount of a moisture-proof agent; then, on the basis of the spraying amount, a structural integrity image in the forming stage is collected, deformation parameters are extracted, a production parameter optimization instruction is generated through a feedback verification unit in combination with the effect mapping relation model, an execution mechanism is driven to adjust the pre-drying temperature and the forming pressure, and meanwhile finished product moisture resistance detection data are obtained; finally, a closed-loop regulation and control cycle is formed through detection data and deviation characteristics, model parameters are optimized, deviation changes are continuously monitored, the mapping model is dynamically adjusted to adapt to different paper types, intelligent real-time optimization is achieved, and the production efficiency and the moisture-proof performance stability are improved.

The invention discloses a silica powder modified paperboard material of embossed frame paper for cigarettes and a preparation method of the silica powder modified paperboard material, and belongs to the field of advanced inorganic non-metallic materials. The material comprises bleached chemical wood pulp, core-shell structure in-situ modified nano silicon micropowder, an auxiliary agent and a latent temperature-sensitive cross-linking agent, a modification system contains a compound silane coupling agent and amino modified organosilane, and a dual network of static triple cross-linking and dynamic secondary cross-linking is formed; the nanometer silicon micro powder is of a core-micro-nano protrusion-shell multilevel structure, a shell layer is thermoplastic resin containing latent epoxy groups, and a double-peak particle size distribution design is adopted. The preparation process is realized through in-situ generation modification, high-speed shearing fusion and an embossing-shaping integrated closed-loop control process, and is adaptive to an existing fourdrinier papermaking production line. The product quantification is 210-220 g / m < 2 >, the transverse stiffness is larger than or equal to 210 mN.m, the embossing retention rate is larger than or equal to 99.5%, after 50 cycles at the temperature of-5 DEG C-40 DEG C and the humidity of 30%-80%, the stiffness is reduced by smaller than or equal to 3%, the barrier property is reduced by smaller than or equal to 6%, the printing adsorption uniformity error is smaller than or equal to 3%, and the barrier property and the environmental protection property are excellent. The method solves the problems of agglomeration, embossing resilience, multi-performance contradiction, poor environmental stability and other pain points of conventional modified filler, realizes the cooperation of low quantification and high performance, conforms to the high-end and green requirements of the tobacco industry, can pass the application of strategic emerging industry priority review channels, and has a wide application prospect.

A forming mould for forming three-dimensional cellulose products from an air-formed cellulose blank structure. The forming mould includes a first mould part and a second mould part. The first mould part and the second mould part are movable relative to each other in a pressing direction and arranged to be pressed relative to each other during forming of the cellulose products. The first mould part includes a movable element displaceable between an extended state and a retracted state, where the movable element in the extended state is arranged as a protruding body extending in the pressing direction relative to a surrounding pressing surface of the first mould part. The movable element is in the retracted state arranged as a pressing surface cooperating with the surrounding pressing surface for forming the cellulose products.

An alignment device for aligning laminating sheets in a corrugated cardboard laminator may include, one after another along a transport path of the laminating sheets in a forward feeding direction: a first transport unit configured to transport the laminating sheets at transport speed; a first acceleration unit configured to increase the transport speed of the laminating sheets; and a second transport unit. The second transport unit may include at least one first movable abutting element transverse to the forward feeding direction of the laminating sheets and configured to align the laminating sheets.

A network-based system and method for providing desired moisture set point values for individual papers lines based on the physical properties of each liner and the atmospheric conditions associated with a corrugator is disclosed. The desired moisture set point values are based on the hygroexpansivity of each individual paper liner. Once the moisture set point value has been determined, a conditioning apparatus adjusts a moisture value for each liner in order to tune the post-warp characteristics of the final corrugated product.

A method of correcting post-warp in a multi-layer product under prevailing conditions includes detecting an initial warp value of the multi-layer product indicative of an initial degree of warpage therein. A moisture-conditioning setpoint is selected from among a plurality of moisture-conditioning setpoints that have been correlated to respective initial warp values and their associated post-warp values for prior-made multi-layer products, based on a comparison between the detected initial warp value and the respective initial warp values in the database. Further, the method includes adjusting a moisture content in at least one layer of the multi-layer product according to the selected moisture-conditioning setpoint.

The presently disclosed subject matter generally relates to recyclable insulation material for shipping containers, groceries bags, etc., machines for making the recyclable insulation material, and methods for the making the recyclable insulation material. In one aspect, an insulation product may include a first layer and a first continuous paper sheet formed into a first plurality of flexible loops disposed on and attached to the first layer and defining a first plurality of air channels that extend in a direction that is substantially perpendicular with a machine direction of the insulation product. A take up factor of the first continuous paper sheet to the first layer may be greater than 1:1.

A can containing a solid, liquid and / or a gaseous medium which can have excess pressure or can develop such during transport or storage. The cylindrical can shell of the can includes paper or cardboard material and at least two wound layers, and is closed at the bottom with a bottom element and at the top with a cover element. The innermost layer of the can shell consisting of a straight-wound barrier layer, which includes a longitudinal seam that runs in the longitudinal direction of the can and is sealed inwards by a film layer, which overlaps the barrier layer near the longitudinal seam, or the longitudinal seam is sealed by a sealing strip running straight in the longitudinal direction or the longitudinal seam forms an increase in thickness and the longitudinal edge of a further layer faces a flank of the increase in thickness.

The invention discloses a production process of high-stiffness embossed aluminum foil composite paper. The production process comprises the following steps: (1) selecting and treating raw materials; (2) gluing treatment: uniformly coating the front surface of the lining paper with a modified adhesive by using a coating machine, wherein the modified adhesive comprises modified starch, water, konjac glucomannan, a polyamide curing agent, an accelerant, aluminum sulfate, an AKD emulsion and a defoaming agent; (3) aluminum foil compounding: the aluminum foil is unreeled and attached to the modified adhesive, and then extrusion compounding is performed through a compression roller; (4) embossing and forming: embossing the front surface of the aluminum foil of the aluminum foil composite paper by adopting a heating embossing roller; (5) curing treatment: coating a curing agent on the front surface of the aluminum foil of the aluminum foil composite paper by adopting a micro-concave net roller; and (6) cooling and rolling. The stiffness of the aluminum foil composite paper is effectively enhanced, the bonding capacity between the aluminum foil and the lining paper is enhanced, the smoothness of the surface of the aluminum foil composite paper is remarkably enhanced, the attractiveness is enhanced, and the wear resistance of the aluminum foil composite paper is enhanced.

The invention provides a moisture-proof corrugated board and a production process thereof. The moisture-proof corrugated board comprises inner paper, core paper and surface paper which are sequentially arranged, and the surfaces of the inner paper and the core paper are coated with moisture-proof coatings; the invention relates to a preparation method of an anti-aging agent. The moisture-proof coating is prepared from the following raw materials: 35 to 45 parts of waterborne acrylic resin, 10 to 16 parts of fluorine modified shape memory polyurethane, 8 to 12 parts of waterborne polyurethane dispersion, 4 to 8 parts of bamboo charcoal loaded nano silver-zinc oxide composite particles, 3 to 6 parts of hydrophobic nano silicon dioxide, 5 to 9 parts of chitosan modified nano cellulose, 1.5 to 2.5 parts of silane coupling agent, 0.8 to 1.2 parts of dispersing agent, 0.2 to 0.4 part of defoaming agent and 0.5 to 0.9 part of wetting leveling agent. The corrugated board provided by the invention has excellent moisture resistance, mildew resistance and structural stability.

The invention relates to the technical field of paper preparation, in particular to environment-friendly water-resistant paper as well as a preparation method and application thereof. The water-resistant paper is prepared by physically embossing a hydrophobic paper semi-finished product and then coating the hydrophobic paper semi-finished product with a hydrophobic coating. The hydrophobic paper semi-finished product is prepared from the following components in parts by weight: 65 to 80 parts of hydrophobic modified lignin fiber, 10 to 20 parts of an adhesive, 2 to 5 parts of a waterproof agent, 5 to 15 parts of filler, 0.05 to 0.1 part of a filter aid and 0.5 to 1 part of an antioxidant. The water-resistant paper not only has the characteristics of excellent water resistance, instant water resistance, pollution resistance, self-cleaning, no toxicity, easiness in degradation, recoverability and environmental protection, but also has firm wet mechanical strength and long service life, meets the urgent demand of the market on environment-friendly paper, conforms to the European Union laws and regulations, can also improve the additional value and profit margin of common paper, and has wide application prospects. Industrial upgrading and product differentiation competition are brought to the papermaking industry, and wide application prospects are achieved.

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

A deformation element for forming three-dimensional cellulose products from an air-formed cellulose blank structure in a forming mould. The deformation element includes an ejection element arranged for ejecting the cellulose products from the deformation element after forming of the cellulose products in the forming mould. The ejection element is arranged as a protruding body extending in a pressing direction of the deformation element relative to a surrounding surface of the deformation element in a non-compressed state. The ejection element is configured for separating the formed cellulose products from the deformation element upon expansion of the deformation element and / or the ejection element from a compressed state to the non-compressed state after the forming of the cellulose products in the forming mould.

A medium processing apparatus includes a liquid applier, a crimper, and a mover. The liquid applier applies liquid on a medium. The crimper crimps and binds multiple media including the medium with the liquid applied. The mover moves the liquid applier. The liquid applier includes a liquid storage, a liquid supply member, a liquid application member, and a liquid supply facilitator. The liquid supply member has first and second ends. The liquid application member is attached to the second end of the liquid supply member. The liquid application member contacts the medium to apply the liquid onto the medium. The liquid supply facilitator increases a contact area between the liquid supply member and the liquid in the liquid storage, in response to a movement of the liquid applier. The mover moves the liquid applier between an application position and a separation position.

A cleansing wet wipe in which a base paper sheet is impregnated with a chemical liquid. The chemical liquid contains at least iodopropynyl butylcarbamate, polyamino-propyl biguanide, benzalkonium chloride, and cetylpyridinium chloride; and the content value for the iodopropynyl butylcarbamate in the chemical liquid is 0.005-0.02 mass % inclusive. The chemical liquid is adjusted to be acidic.

A pressing module and method for forming cellulose products (1) from an air-formed cellulose blank structure (2), where the pressing module (PM) comprises a forming mould (3) with a first mould part (3a) and a second mould part (3b) configured for interacting with each other for forming the cellulose products (1) from the air-formed cellulose blank structure (2) in the forming mould (3). The first mould part (3a) and / or the second mould part (3b) are movably arranged relative to each other in a pressing direction (DP) parallel to a longitudinal direction (DLO) of the pressing module (PM). The first mould part (3a) and the second mould part (3b) are at least partly configured for being arranged in an overlapping relationship in the longitudinal direction (DLO) during forming of the cellulose products (1). The first mould part (3a) comprises a first mould part section (4a) and a second mould part section (4b) arranged in connection to the first mould part section (4a). The second mould part section (4b) is configured for being displaced relative to the first mould part section (4a) in a lateral direction (DLA) of the pressing module (PM) during forming of the cellulose products (1) in the forming mould (3). The first mould part section (4a) and the second mould part section (4b) are configured for applying a forming pressure (PF) onto the air-formed cellulose blank structure (2) in the range of 1-100 MPa, preferably in the range of 4-20 MPa, during a single pressing operation (OSP) upon forming of the cellulose products (1) in the forming mould (3).

The invention discloses a high-toughness carton and a preparation method thereof, and relates to the technical field of papermaking and environment-friendly packaging materials. The carton is made of a high-toughness composite corrugated board, and raw materials of the carton comprise main material pulp fibers, cross-linked modified nanocellulose, a modified starch adhesive, a wet strength agent and a rheology modifier. The cross-linked modified nano-crystalline cellulose is nano-crystalline cellulose of which the surface is grafted with a hyperbranched supramolecular cross-linking agent. According to the method, by preparing the nanocellulose with the surface grafted with the hyperbranched cross-linking agent, a mechanism capable of dissipating energy is constructed in a fiber network, and compared with the prior art, the defect that regenerated fibers are large in brittleness can be effectively overcome, and the dynamic impact toughness of the carton is remarkably improved. By using the modified starch adhesive disclosed by the invention, an adhesive layer has better ductility and interlayer binding force, and when a paperboard is stressed and deformed, the adhesive layer can be deformed along with the deformation and is not easy to break, so that the stability of interlayer binding is favorably kept.

The invention discloses an intelligent adjustment method and system for a corrugated paper production line, and relates to the technical field of intelligent control adjustment, and the method comprises the steps: monitoring and recognizing the position of corrugated paper through a sensor array disposed at a key node of the production line, and extracting technological characteristic parameters; the method comprises the following steps: constructing a process state characteristic data set through a sensor array deployed at a key node of a production line, analyzing the moisture content of the surface and the inner core layer of corrugated paper to obtain an internal humidity gradient value of a paperboard, and calculating evaporation rates under different humidity gradients in combination with drying plate temperature data and drying time to obtain a temperature evaporation rate set; the paperboard deformation change rate analysis is carried out based on the drying temperatures of the paperboard under different water contents, an adjustment decision model for controlling the drying board temperature during hot pressing is constructed by determining the safety deformation risk probability and obtaining a paperboard preliminary risk intervention data set, and the adjustment decision model is converted into an equipment execution command based on a collaborative regulation strategy. And transmitting to production line intelligent equipment for real-time adjustment.

The invention provides an intelligent guiding dynamic preheating regulation and control method and system for corrugated paper, relates to the field of corrugated paper production, and solves the technical problem of uneven heating of the corrugated paper in the prior art. The method comprises the steps that in front of an inlet of a preheater, full-breadth scanning is conducted on advancing corrugated base paper, and initial state parameters of all transverse points of the corrugated base paper are obtained; according to the initial state parameter, independently adjusting the heat source supply amount of the transverse partition corresponding to the preheating roller; according to the initial state parameters and the vehicle speed of the production line, the wrapping angle of the body paper on a preheating roller is adjusted through a feedforward control method; and detecting a final state parameter of the body paper at an outlet of the preheater, comparing the final state parameter with a preset target value, and performing secondary adjustment on the heat source supply quantity and the coating angle according to a comparison result. The preheating device is used for the preheating link of the corrugated paper production line.

This application relates to the technical field of corrugated cardboard box processing, and discloses a corrugating machine for processing compression-resistant cardboard cores for cardboard boxes, comprising: a corrugating roller; a glue-applying roller; a pressure roller body with a heating unit disposed inside; partitions, evenly spaced and detachably installed on the outer periphery of the pressure roller body; an mounting cavity formed between adjacent partitions; a covering strip, detachably disposed within the mounting cavity, with an mounting cavity between adjacent covering strips; fixing strips, spaced apart within the mounting cavity and staggered with the covering strips, the covering strips and fixing strips having the same outer diameter; and a fixing assembly for fixing the partitions. This application enables partial replacement of the covering strips.

The utility model relates to the technical field of corrugated board production, and discloses a heating device for corrugated board production, which comprises a processing table, a box body is arranged at the inner bottom end of the processing table, an adjusting heating component is arranged at the top of the box body, and an adjusting feeding component is arranged on the side surface of the adjusting heating component. The adjusting feeding assembly comprises a magnetic attraction strip, a limiting sliding seat, a limiting sliding rod, an air pump, a conveying air pipe, an air bag, a magnet block and a limiting clamping plate, and the limiting sliding seat is fixedly connected to the left side of the top plate. According to the heating device for corrugated board production, the feeding adjusting assembly is arranged, an air pump is started to be matched with a conveying air pipe to input air into an air bag, the air bag is inflated and collides, a magnet block is driven to move upwards till the magnet block abuts against the bottom of a magnetic attraction strip, and after the magnet block makes contact with the magnetic attraction strip, magnetic attraction locking can be achieved, and the abutting force is matched; and the paperboard conveying device can be matched with paperboard conveying, the paperboard is limited, and the heating effect is ensured.

The utility model relates to the technical field of corrugated board multi-layer pressing, and discloses a corrugated board multi-layer pressing device which comprises a placing table, a sliding cavity is formed in the placing table, a supporting plate is fixedly connected to the top end in the sliding cavity, an electric push rod is fixedly connected to the bottom end of the supporting plate, and the electric push rod is fixedly connected to the bottom end of the sliding cavity. The driving end of the electric push rod is fixedly connected with a transmission block, the top end of the exterior of the transmission block is fixedly connected with a plurality of connecting blocks, the interiors of the connecting blocks are fixedly connected with supporting rods, the exteriors of the supporting rods are rotatably connected with rotating plates, and the other ends of the rotating plates are rotatably connected with L-shaped blocks. According to the utility model, the accurate relative positions of the multiple layers of paperboards can be kept before the lamination, and the correct alignment of the areas which should be uniformly coated with glue and tightly attached originally is ensured, so that all layers of paperboards can be tightly combined together after the lamination, and the overall structural strength and stability of the corrugated paperboards are improved.

The utility model discloses a folding device for double-station corrugated board production. The folding device comprises a rack, two folding assemblies and a moving assembly. The two folding assemblies on the rack are symmetrically distributed, one folding assembly is connected with the moving assembly, the moving assembly controls the folding assembly to move through the auxiliary chain wheel rotating shaft, the main chain wheel rotating shaft, the crank, the chain and the connecting steel plate, and therefore the distance between the two folding assemblies is adjusted to adapt to paperboards of different sizes. The folding assembly is composed of a first folding bottom frame, a second folding bottom frame, a middle plate, an air cylinder connecting base, a driving air cylinder, a connecting piece, a connecting rod and connecting angle iron, the driving air cylinder drives the connecting piece, and the folding bottom frames rotate through the connecting rod to achieve folding. The folding bottom frame is provided with an adsorption hole and a connecting pipe which are connected with an exhaust fan and used for fixing a paperboard. The double-station paperboard folding device can fold paperboards at the same time or in cooperation with the double stations, improves efficiency and precision, enhances universality and stability, and effectively solves the problems that folding is troublesome and easy and quality defects are prone to occurring due to manual folding.

The utility model relates to an efficient surface embossing device for leather release paper processing, which comprises a base, machine seats are symmetrically fixed on the base, an embossing roller group which is horizontally symmetrical is arranged between the machine seats on two sides, the embossing roller group comprises a plurality of embossing rollers which are uniformly distributed along the circumference, each embossing roller is provided with different types of patterns, and the embossing rollers are arranged on the base. The inner sides of the machine bases are rotationally connected with connecting discs, the connecting discs are rotationally connected with shaft head bases corresponding to the embossing rollers, the ends of the embossing rollers are fixed to the shaft head bases, a driving mechanism is arranged on the inner side of the machine base on one side and used for enabling all the embossing rollers in the embossing roller set to rotate, and an adjusting mechanism is arranged on one side of the embossing roller set. And the adjusting mechanism is used for driving the connecting disc to rotate so as to realize switching among the embossing rollers. The knurling device has the following advantages and effects that the knurling rollers with different patterns can be quickly switched, so that the downtime is shortened, and the overall knurling efficiency is improved.

The invention relates to the technical field of embossing equipment, in particular to a 3D embossing device for paper diaper production. A lifting groove is formed in the top of the mounting base, heating channel equipment is arranged at the top of the mounting base and arranged on one side of the lifting groove, a replacement assembly is movably arranged in the lifting groove, a plurality of sets of different embossing assemblies are arranged in the replacement assembly, and supporting foot plates are symmetrically arranged at the bottoms of the two sides of the mounting base. U-shaped frames are arranged on the two foot supporting plates, an efficient winding and unwinding assembly is arranged in each U-shaped frame, and an auxiliary fixing assembly is arranged on one side of each U-shaped frame. The multiple sets of embossing assemblies of different specifications are carried through the replacement assembly, embossing die rollers can be rapidly switched according to the pattern requirements of paper diaper products, shutdown disassembly and reassembly are not needed, the replacement assembly drives double lead screws to synchronously run through a third motor, a fixing frame is driven to ascend and descend, and the target embossing assembly can be rapidly adjusted to the operation position; and the problem of time consumption of remodeling of a traditional single-roller device is effectively avoided.

A converting machine for processing sheets or webs of corrugated board has several processing units with different tools in variable arrangements, movable transversely to the transport direction of the sheets or web. Several such units are assembled in a variable sequence to form a converting machine.