41 results about "Paper quality" patented technology

The invention discloses a dynamic intelligent test paper composition method, system and device based on multiple question types and multiple difficulty gradients, and relates to the technical field of online education, and the method comprises the steps: cleaning and removing duplications of questions in a question bank, constructing question portraits containing multi-dimensional information, and calibrating difficulty; receiving test paper configuration to generate hard constraints, dividing a multi-difficulty gradient layer, and setting target difficulty and continuity constraints; the candidate set is screened according to question types and gradient layers, and initial test papers are generated in a layered and segmented mode; the constraint conflicts are repaired through iteration replacement exchange, and finalization is optimized under the multi-objective criterion; and finally, dynamically updating capability parameters based on answer data, adjusting subsequent target difficulty, and outputting test paper and verification indexes. The follow-up test paper composition strategy can be adjusted in real time according to the answer condition of the examinee, the quality of the question bank is guaranteed, it is ensured that the test paper meets hard constraints, the difficulty is smoothly increased, the test paper quality and the evaluation effect are improved, the adaptability and accuracy of personalized testing are enhanced, and the method is suitable for various personalized testing scenes.

The invention relates to the technical field of industrial process soft measurement and quality control, and discloses a paper quality prediction method based on multivariate statistical latent variable fusion and space-time transformation, which comprises the following steps: acquiring space-time sequence data of a multi-source sensor in a papermaking process, constructing a space-time diagram structure reflecting a topological relation of equipment, and preprocessing. Then, multi-view latent variables are extracted through non-negative matrix factorization, independent component analysis and robust principal component analysis, attention fusion is conducted on the latent variables through an LV fusion module, and fusion latent variables are obtained; and inputting the fusion latent variable and original node data into a multi-scale convolution auto-encoder to obtain spatial feature embedding, and inputting the spatial feature embedding and the fusion latent variable into a space-time Transform module together to realize joint modeling of space correlation and time dependence. And finally, outputting a paper quality predicted value through a linear regression module. The method can achieve the accurate prediction of the paper quality under a high-dimensional and multi-noise working condition, and is suitable for online monitoring and modeling updating.

This utility model discloses a paper surface water absorption tester, relating to the papermaking industry. The paper surface water absorption tester includes a base plate, with two support plates symmetrically fixedly connected to one side of the base plate. A water supply mechanism for paper water absorption is provided between the two support plates. It also includes: a placement boss on the base plate, the placement boss being integrally formed with the base plate; and two sets of mounting seats symmetrically fixedly connected to the base plate and located on both sides of the placement boss. This utility model, through stable motor drive, ensures constant pressure intensity. Throughout the testing process, the pressure deviation of the pressure roller on the paper is minimal, ensuring consistent testing conditions each time, effectively avoiding human interference, making the test results more reliable and repeatable, and enabling the test data to more accurately reflect the true surface water absorption of the paper, providing strong data support for paper quality assessment and process improvement.

The utility model relates to paper quality die cutting technical field discloses a kind of paper display stand die cutting machine, including shell, the top wall middle part front side of shell is fixedly connected with second rack, the top wall middle part of shell is provided with second motor, the output of second motor is fixedly connected with second gear, second gear and second rack are engaged connection, the inner wall of second gear is fixedly connected with screw rod, the other end of screw rod is fixedly connected with ball bearing, the outer wall of ball bearing is fixedly connected with sliding block, sliding block is set in the front and back side of screw rod, second motor is fixedly connected in the inner wall of sliding block, the outer wall of screw rod is connected with pressure block with screw thread connection.The utility model in the screw rod and pressure block are screw thread connection relationship, pressure block moves along fixed rod and is guided, by the up-down movement of second gear, the waste edge is pressed by pressure block, and the left and right movement of screw rod makes the paper waste edge on shell remove.

The utility model discloses an archive file scanning auxiliary device, and relates to the technical field of file scanning. The device comprises a base, the base comprises a supporting table, a rear supporting frame and a supporting plate, the rear supporting frame is fixedly installed on the rear side of the supporting table, the supporting plate is fixedly installed at the top of the supporting table, a liftable workbench is installed at the top of the supporting table, and a moving mechanism is fixedly installed at the top of the rear supporting frame. According to the utility model, the moving mechanism drives the two groups of bulldozing pieces attached to the middle part of the paper file to move and drives the bulldozing pieces to move to the edge of the paper file, so that when the bulldozing pieces move to the edge, the turned edge of the paper file is pressed and bulldozed by the bulldozing pieces, and the two groups of bulldozing pieces are driven by the moving mechanism to move reversely; the pressing belts on the two sets of rotating rollers are driven to be unfolded, the pressing belts are pressed by the pressing rollers to be attached to the edge of the paper archive till the rotating rollers are separated from the paper archive, and one side of the paper archive is pressed through the pressing belts.

The utility model discloses a rapid drying and shaping device for household paper, which comprises a working box, a plurality of groups of shaping compression rollers are rotatably arranged in the working box, a conveying roller is arranged in the working box and is positioned on one side of the shaping compression rollers, and a conveying rolling shaft is arranged in the working box and is positioned on one side, far away from the shaping compression rollers, of the conveying roller; the side face of the working box is provided with a drying assembly used for conducting preliminary drying on the paper output by the shaping pressing roller. The drying assembly comprises an upper baking lamp, a lower baking lamp, a clamping module and a moving module, paper is preliminarily shaped through the shaping compression roller, the paper is moved to the position between two sets of upper clamping plates and lower clamping plates under the action of the conveying roller, and the paper is driven to the position between the upper baking lamp and the lower baking lamp through the moving module to be preliminarily dried; and the moving assembly drives the paper to move to the position above the conveying rolling shaft, the paper is dried again through the upper baking lamp and the conveying rolling shaft, and therefore the paper is rapidly dried and shaped at the same time, and the paper quality is prevented from being affected by wrinkles of the paper.

The utility model relates to the field of paper handles, in particular to an automatic laminating machine for paper handles, which is characterized in that a discharging mechanism at least comprises a first discharging roller and a second discharging roller; the guide mechanism comprises a first guide set, a second guide set and a guide runner so as to guide and convey raw materials on the first discharging roller and the second discharging roller correspondingly. The attaching mechanism comprises a dispensing device arranged at the end, close to the guiding mechanism, of the guiding flow channel and a pressing assembly arranged on the side, away from the guiding mechanism, of the guiding flow channel. The pressing assembly comprises a first pressing wheel arranged above the guide flow channel and a second pressing wheel with the upper end penetrating through the guide flow channel, and the paper carrying handle is conveyed between the first pressing wheel and the second pressing wheel. The whole machine is compact in structure, the processes of raw material distribution, dispensing, attaching, pressure maintaining and the like are operated in a full-automatic connection mode, and multiple operators are not needed; meanwhile, the transfer process of the materials is reduced, the production loss of the materials is reduced, the occupied area of the equipment is reduced on the whole, and the production cost is reduced.

The utility model provides a toilet paper powder falling rate tester and a powder throwing mechanism thereof, and belongs to the technical field of paper quality detection. The powder throwing device comprises a powder throwing driving mechanism, a plurality of clamping blocks are arranged at the movable end of the powder throwing driving mechanism, the number of the clamping blocks is larger than or equal to 2, a clamping area is formed among the clamping blocks, and at least one clamping block is connected with a clamping block driving assembly capable of driving the clamping block to move so as to shrink or enlarge the clamping area. And a clamped part of the paper fixer is clamped in the clamping area. The clamping force of the clamping blocks on the clamped part can be dynamically adjusted, it can be guaranteed that the clamped part is stably fixed, the clamped part is prevented from loosening or sliding in the swing test process, and the detection precision is guaranteed; the clamped part is uniformly stressed, torsion or deviation caused by single-side pressure application is avoided, and the edge of the clamped part can be prevented from being damaged due to stress concentration due to uniform clamping force distribution of the clamping blocks.

The utility model discloses a carton processing waste paper smashing and recycling device which comprises a recycling reaction shell, a material guide plate is arranged on one side of the top of the recycling reaction shell, and an upper cover plate is connected to the top of the recycling reaction shell in an attached mode. The device operates by starting a motor, the motor drives an output gear to rotate, the output gear drives a first transmission gear and a second transmission gear to synchronously rotate while rotating, and a gear set transmits power to a mixing plate, so that efficient transmission of the power is realized; paper pulp in the recovery reaction shell is stirred so as to achieve the purpose of sufficient mixing, chemical auxiliaries are added into the recovery reaction shell so that a sizing agent, a reinforcing agent, filler and the like can be sufficiently combined with fibers, the fibers are separated through high-speed stirring, meanwhile, impurities such as printing ink and adhesives are removed, the uniformity and stability of the paper pulp can be remarkably improved, and the production efficiency is improved. The recycling effect of the paper pulp formed by the crushed waste paper box is effectively improved, and the paper forming quality and the production efficiency are improved.

The invention provides a paper product, modified light calcium carbonate and a preparation method thereof. The preparation method of the modified light calcium carbonate comprises the following steps: carrying out surface charge modification treatment on light calcium carbonate; carrying out micro-polymerization treatment on the light calcium carbonate subjected to surface charge modification treatment; and carrying out pre-flocculation treatment on the light calcium carbonate subjected to micro-polymerization treatment. According to the preparation method of the modified light calcium carbonate provided by the embodiment of the invention, the light calcium carbonate is firstly subjected to surface modification (charge adjustment), then subjected to micro-polymerization (specific surface area adjustment) and finally subjected to pre-flocculation (overall form optimization), the modified PCC filler can be added into paper pulp for papermaking, and under the condition that the addition amount of the PCC filler is increased, the specific surface area of the PCC filler is increased, and the overall form of the PCC filler is optimized. The water filtering performance of the pulp is ensured, the retention characteristic is not deteriorated, and considerable paper physical property strength, surface strength and sizing performance are maintained. And on the premise of ensuring the running performance of the paper machine, the paper making raw material cost is reduced while the same paper quality is achieved.

This invention relates to the field of electronic digital data processing technology, specifically to an intelligent adjustment method for air dryers based on optical detection. The method includes: drying various test papers using an air dryer; firstly, calculating the stability index of vibration amplitude and the transmittance difference index for each region of each paper; then, calculating the humidity uniformity index for each paper based on the stability index of vibration amplitude and the transmittance difference index for each region of each paper; determining whether the humidity uniformity index meets a set range; if it does, determining that the corresponding paper has uniform humidity; calculating the difference index between each paper in the humidity uniformity group and the standard paper; and taking the drying temperature of the paper with the smallest difference index as the optimal drying temperature and the drying direction of that paper as the optimal drying direction. This method is particularly suitable for a specific function, specifically intelligent adjustment of an air dryer. This invention ensures paper quality while improving drying efficiency.

The utility model provides a full-automatic whiteness instrument and a spectrum regulation and control mechanism thereof, and belongs to the technical field of paper quality detection. The device comprises a front switching plate and a rear switching plate which are arranged between a light source generator and an integrating sphere, an ultraviolet cut-off filtering module is arranged on the front switching plate, a light hole is further formed in the ultraviolet cut-off filtering module, a blue light filter and a green light filter are arranged on the rear switching plate, the front switching plate and the rear switching plate are connected with a switching mechanism, and the switching mechanism is connected with a light source generator. And the front switching plate and the rear switching plate are respectively driven by the switching mechanism to move so as to change the spectrum entering the integrating sphere light source. The switching mechanism adopts an independent driving strategy, the driving precision is high, and a front switching plate and a rear switching plate can be quickly driven to move to a target position so as to flexibly and quickly switch different measurement modes; the parallel stacking layout of the front switching board and the rear switching board is allowed, the space can be effectively saved, the overall structure is more compact, and the optical path integration problem of compact equipment is solved.

The utility model discloses a multifunctional teaching aid. The multifunctional teaching aid comprises a base; the limiting cover shell is movably arranged on the base, and a containing groove used for containing a blackboard eraser is formed in the limiting cover shell; the cleaning box body is movably arranged on the base; the blackboard eraser is movably arranged on the placing groove, and the blackboard eraser comprises a sponge and an extrusion structure which is arranged on the sponge and can extrude the sponge; the chalk storage box is arranged on one side of the base and used for containing chalks, and a chalk taking mechanism capable of sending the chalks out of the chalk storage box is further arranged in the chalk storage box. Through cooperative arrangement of the limiting cover shell and the cleaning box body, after the blackboard eraser is placed in the cleaning cavity to be cleaned and water is squeezed through the squeezing structure, the blackboard eraser is placed on the containing groove to be automatically aired, the water flowing out of the blackboard eraser can also automatically drip into the cleaning box body, the situation that sewage flies around is avoided, and the blackboard eraser is clean and tidy; meanwhile, the chalk storage box is arranged to replace an original paper box body, chalk storage is more convenient, and practicability and convenience are achieved.

The utility model discloses a paper quality packing gift box printing equipment, including the bottom plate, the upper surface of bottom plate is provided with the conversion subassembly, the bottom of conversion subassembly is provided with a plurality of printing dies, conversion subassembly can drive any one printing die and remove to the work position, the upper surface slidingly connected with the clamping part of being used for positioning the gift box body of bottom plate, the clamping part drives the gift box body and removes to the work position to the printing die printing, the lower surface fixedly connected with the supporting leg of bottom plate. The utility model discloses a printing die is set up to the one side printing of gift box body, is set up conversion subassembly and drives a plurality of printing dies to rotate, so that one of printing dies is in the work position, through the clamping part of being slidably, can drive the gift box body and remove to the work position and the printing die corresponds, can adjust the position of gift box body simultaneously to facilitate printing in the different position of gift box body side, thereby make this paper quality packing gift box printing equipment satisfy the printing demand of packing gift box, have higher applicability.

The utility model relates to the technical field of paper drying equipment, in particular to a paper drying device. Comprising a machine box and an air supply pipe, four temperature control areas are sequentially arranged in the machine box, the temperature control areas are arranged at intervals and form a backflow channel for airflow to pass through, surrounding walls are arranged outside the four temperature control areas, backflow layers are formed between the surrounding walls and the temperature control areas and communicated with the backflow channel, and the air supply pipe is communicated with the air supply pipe. Conveying rollers are symmetrically arranged on the two sides of the middle of the temperature control area, and air supply pipes are symmetrically arranged on the upper portion and the lower portion in the temperature control area respectively; the inside of the case is divided into a plurality of temperature areas, and a drying mode that the temperature rises step by step is adopted, so that the paper quality is improved, and the production efficiency is ensured.

This utility model discloses a dryer for raw paper production, including a device body containing a drying cabinet and a controller. The drying cabinet has a door at its front end and two mounting frames are installed inside. The door has a finger groove, and the mounting frames have a sliding groove and a locking groove. A slider is slidably installed in the sliding groove, and one end of the slider is connected to a placement frame. An installation plate is installed in the locking groove, and the installation plate has a screw hole. A lower pressure plate is connected below the threaded rod, and a knob is connected above the threaded rod. A drying lamp is installed inside the drying cabinet, which can dry both sides of the raw paper, quickly remove moisture from the paper, shorten the drying time, thereby speeding up the production pace, improving overall production efficiency, ensuring paper quality, and preventing the raw paper from moving or deforming during the drying process, ensuring the safety and stability of the raw paper during drying.

This invention provides an image forming apparatus, a fixing and oscillating method, and a program that can perform printing operations while maintaining image quality and paper quality, thereby suppressing a decrease in productivity. [Solution] The system includes a transfer unit (secondary transfer roller 233), a fixing unit 234 having a fixing belt 33 that fixes an image to the paper by bringing the fixing belt 33 into contact with the paper, a fixing belt moving unit (steering mechanism 40) that changes the rotation angle of the roller that tensions the fixing belt 33 to move the fixing belt 33 in the width direction, a housing moving unit (rocking mechanism 50) that moves the housing 300 housing the fixing unit 234 in the paper width direction, and a control unit 21 that controls the movement of the fixing belt 33 by the fixing belt moving unit and the movement of the housing 300 by the housing moving unit. The control unit 21 controls the housing moving unit to move the housing 300 in the opposite direction to the movement of the fixing belt 33 by the fixing belt moving unit.

The present application relates to the technical field of industrial vision detection, in particular to a myopia-preventing paper quality detection system based on industrial vision, comprising: a multi-angle image acquisition module for acquiring a paper surface gray image under multi-angle illumination environment; a frequency domain analysis module for analyzing frequency distribution characteristics and calculating local spectrum entropy to quantify diffuse reflection randomness; a texture analysis module for constructing a gray level co-occurrence matrix to extract texture energy difference degree and represent light reflection isotropic characteristics; a glossiness analysis module for calculating glossiness consistency index to evaluate light softness degree; and a defect identification module for fusing local spectrum entropy, texture energy difference degree and glossiness consistency index to construct a multi-dimensional texture feature set, identifying functional diffuse reflection abnormal areas and generating a detection result; the present application quantifies visual comfort from a microscopic optical perspective, ensuring functional quality of light softness of myopia-preventing paper.

The utility model discloses paper couplet printing equipment which comprises a conveying device, a silk-screen shell, a transmission plate, a sliding block, a sliding column, a driving assembly, an overturning assembly and a bearing plate, the conveying device is used for conveying paper couplets, the silk-screen shell is connected to the upper side of the conveying device, a guide groove is formed in the upper side of the silk-screen shell, and the bearing plate is arranged in the guide groove. A silk-screen template is detachably and fixedly connected into the silk-screen shell, the transmission plate is slidably connected into the silk-screen shell, a bearing groove is formed in the transmission plate, the sliding block slidably abuts against the inner wall of the silk-screen shell, a sliding groove is formed in the sliding block, a sliding column body abuts against the inner wall of the sliding groove, and the two ends of the sliding column body abut against the inner wall of the guide groove and the inner wall of the bearing groove correspondingly. The driving assembly is used for driving the sliding block to slide back and forth in the silk-screen shell, and the overturning assembly is used for driving the silk-screen shell to move up and down to complete printing operation on couplets. According to the technical scheme, printing operation can be stably and continuously carried out, and the printing effect is improved.

This invention provides a degassing mechanism for folding pages in commercial printing presses. The degassing blade of this mechanism is mounted on a rotating wheel in a serrated shape. The degassing blade is a ring-shaped cutter with serrated edges, which leaves a series of air holes on the paper as it passes through. The rotating wheel is located in front of the paper feed roller in the conveying direction, placing it diagonally above the roller. This allows the degassing blade to apply positive pressure to the paper as the roller moves forward, preventing slippage and ensuring paper quality. The degassing ring groove ensures the depth to which the degassing blade cuts the paper, guaranteeing that each tooth leaves an air hole at the fold line. This achieves ideal degassing during folding, preventing air pockets at the fold line and significantly improving the flatness of the folded paper, thus enhancing the overall quality of the final paper processing.

The utility model provides a paper quality can be taken off formula colouring book, including bottom plate and being located on the multilayer colouring paper of bottom plate, the one side positioning of each layer colouring paper is connected in bottom plate, its characterized in that: the colour wheel for colouring reference is provided on the bottom plate, the through -hole that has opened on each layer colouring paper is used for the colour wheel exposure, the colour wheel is distributed with a plurality of blending colour area and several colour blocks for colouring reference, each colour block has the compound colour that is adjusted by two blending colour area on it corresponding. Compared with prior art, the utility model has the advantages that: the paper quality can be taken off formula colouring book integrates the colour wheel in the colouring book, when needing colouring, can find the required compound colour on the colour block, mix the colour on the corresponding two blending colour area, directly use when needing colouring reference, avoid the trouble of independent colour wheel when storage, carrying, can also avoid the colour wheel missing.

The invention discloses a scanning CT-based paper uniformity detection method, which comprises the following steps: preparing an experimental material, shredding a cotton pulp board, soaking, defibering, filtering a pulp bag, spin-drying, pulping, balancing moisture, taking absolutely dry pulp for papermaking on production simulation former equipment, putting a paper sample after papermaking and drying into a constant-temperature and constant-humidity laboratory, standing, taking out, and drying to obtain a finished product. A scanning device paper sheet three-dimensional microscopic imaging system is used for carrying out scanning testing, data processing is carried out after scanning testing is completed, and paper sheet evenness data are obtained through Avizo software and STDEV functions in an Excel table. According to the method, high-precision detection is achieved, the distribution condition of fibers in the paper can be clearly shown, compared with a traditional detection method, the detection process is more automatic, the uniformity of the paper can be comprehensively evaluated, and a scientific basis is provided for optimization of the paper quality.

The utility model relates to the technical field of electronic tags, and discloses a flexible RFID electronic tag for archive management, which comprises a fabric base layer and a protective shell, an antenna layer is adhered to the top end of the fabric base layer through glue, an RFID chip is arranged on the inner wall of the antenna layer, a flexible layer is adhered to the top end of the antenna layer through glue, and the protective shell is arranged on the flexible layer. The top end of the flexible layer is bonded with a paper material layer through glue; the waterproof glue is arranged on the protection shell and the paper layer, so that water can be prevented from entering the protection shell in the use process, the RFID chip and the circuit in the protection shell can be protected, the short circuit condition in the use process is prevented, the waterproof performance is improved, and the service life is prolonged; the problems that a traditional electronic tag cannot be bent in the using process and cannot be attached to a bent surface, waterproof operation is lacked, water seepage occurs in the using process, and the safety of an internal chip is affected are solved.

The utility model discloses a character identifying and scanning device, which relates to the technical field of character identifying and scanning, and comprises a working table, one side of the working table is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a supporting block, a positioning assembly is arranged above the working table, a lifting assembly is arranged above the supporting block, and the lifting assembly is fixedly connected with the working table. The beneficial effects of the utility model are that through the arrangement of the positioning assembly, the reset spring and the connecting block, the two sides of a text can be conveniently positioned, and the two sides of a book can be accurately positioned, so that all characters and image information on the book can be completely captured; according to the technical scheme, a user can find the optimal focal length position more easily, it is ensured that scanned images are clear, the phenomena of blurring and distortion caused by too small paper characters, pictures and symbols are avoided, and the scanning quality of the scanner is improved.

The papermaking drum screen for accurate screening comprises a supporting assembly, the supporting assembly comprises a supporting frame, the side surface of a rotating shaft is fixedly connected with a first gear, the inner side surface of the first gear is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is fixedly connected with a connecting plate; a plurality of layers of screen drums are fixedly connected to the inner side surface of the connecting plate, and the two side surfaces of the water storage tank are fixedly connected to the inner side surface of the supporting frame. According to the papermaking drum screen for precise screening, the three layers of screen drums are adopted, and the screen holes are gradually enlarged from outside to inside, so that multi-stage precise screening can be achieved through the screen drums. The outer-layer fine screen holes firstly intercept fine impurities, the middle-layer screen drum and the inner-layer screen drum sequentially screen large particles, the situation that the paper quality is affected due to the fact that the device cannot screen and filter the impurities of different sizes is avoided, and the beneficial effects that the impurities and fibers of different particle sizes are effectively separated, and the screening precision is remarkably improved are achieved.

The utility model provides a paper bursting strength testing device and a water spraying mechanism thereof, and belongs to the technical field of paper quality detection. The device comprises an annular water spraying seat arranged between a paper test seat and a test body, the annular water spraying seat is provided with a plurality of water spraying ports distributed in the circumferential direction of the test body, and the water spraying ports are connected with a water spraying supply assembly. The test body can be uniformly wetted, the wetting degree of the surface of the test body is consistent, the wetting degree of the paper under the pressure of the test body can be consistent, and the anti-cracking capability of the paper can be truly reflected to ensure the accuracy of a bursting strength test result.

The utility model provides an interlayer bonding strength tester and an encoder assembly thereof, and belongs to the technical field of paper quality detection. The encoder comprises an encoder shell arranged between the rear end of a swing main shaft and a frame body, a grating disc is arranged in the encoder shell, the rear end of the swing main shaft penetrates through a main shaft hole of the encoder shell and is fixed to the grating disc, and a photoelectric sensor is arranged between the encoder shell and the grating disc. And at least one first bearing positioned outside the encoder shell is arranged between the swinging main shaft and the frame body. The bearing is externally arranged to block the transmission path of kinetic energy of the test swing rod to the interior of the encoder shell, non-contact angle measurement is achieved, interference of mechanical friction to signals is eliminated, energy consumption can be effectively reduced, and measurement precision can be effectively improved.

The utility model discloses an anti -extrusion formula paper quality packing carton, this packing carton aims at solving the technical problem of the lower packing carton of multiple packing cartons stack storage or transportation is easy to deform, collapse because of the pressure of upper layer, leads to the internal containing article damage under prior art. Including box body, the top end face of box body left and right symmetry fixed connection has two first paperboard, the top end face of box body front and back symmetry fixed connection has two second paperboard, and the inside of box body inner chamber sets up supplementary strengthening subassembly, and supplementary strengthening subassembly inside is provided with the separation component, and the layer of separation component is adjustable. Supplementary strengthening subassembly includes two movable plate of setting in the inner chamber of box body, and two telescopic shims are fixedly connected between two movable plate, the utility model discloses can improve the overall structural strength of packing carton significantly, effectively resist the extrusion external force of the stack storage or transportation process, avoid the deformation of box body, collapse to protect internal article from being damaged.

The utility model discloses a paper quality pasting film ware of convenient transportation, including first paperboard and second paperboard, and first paperboard is connected second paperboard through first connecting portion, and first paperboard can be folded towards or away from second paperboard, still include one with hollow rectangle third paperboard, and one end of third paperboard is connected first connecting portion, and the size of hollow portion is adapted with the electronic equipment of waiting for pasting film and has first opposite side and second opposite side, and the extension of second paperboard has extension part from first opposite side respectively, and third paperboard is connected with second paperboard through the extension part. When using, fold first paperboard and drive third paperboard and extension part to go up, form the accommodation cavity of accommodating electronic equipment between the hollow portion of third paperboard and second paperboard, fix the protective film in advance on second paperboard, then the electronic equipment of waiting for pasting film is placed into the accommodation cavity and folds back first paperboard as the cover, can complete pasting film, and when closing, each paperboard is overlapped together, saves the space, and conveniently transports.