51 results about "Correcting paper" patented technology

The invention provides a spectrum-adaptive multinational paper money image recognition device, system and method, and the device comprises a mode selection module which is used for selecting a working mode of the device; an interface module which comprises a plurality of CIS interfaces, a USB interface, and a network interface; a control module which is used for transmitting a control instruction to the CIS interfaces according to the working mode selected by the mode selection module, and achieving the control of a CIS sensor to collect paper money images; an ADC module which is used for converting the analog amount of paper money information received by the CIS interfaces into a digital amount; and an image processing module which is used for processing corrected paper money image information transmitted by the control module, and enabling the processed paper money information to be transmitted through the USB interface or the network interface. The image processing module can obtain high-quality and good-instantaneity paper money images under different spectrums, and solves a problem of noises of the CIS sensor.

A method and system for correcting paper registration skew. A skew or paper registration error of a sheet moving in a feed path is detected. A coarse adjustment, or copy paper registration, using full steps is performed until the registration error is reduced to a minimum value, below a full step. The frequency of one motor with respect to the other, or a reference, or reference motors, is adjusted for a fixed period to enable a fine adjustment to correct the registration error.

This invention relates to a water-based ink for ink-jet thermal printing containing a surface-active agent having, at a certain concentration, a slow dynamic rearrangement. This surfactant system gives the ink a high surface tension under dynamic conditions which grants greater droplet ejection frequencies with respect to the inks usually employed. At the same time, the ink's low static surface tension value means that it has correct paper wettability properties.

The invention relates to the technical field of computer application, in particular to a software system for evaluating the knowledge structure of enterprise standard post personnel. The system comprises a standard post knowledge structure library module, a knowledge structure evaluation module and an evaluation-report improvement-proposal module, wherein the standard post knowledge structure library module initializes each standard post knowledge structure, corresponding exam-question libraries, answer libraries and training proposals; the knowledge structure evaluation module randomly selects test questions according to posts and automatically corrects papers; and the evaluation-report improvement-proposal module automatically generates paper-evaluating results and knowledge structure-enriching proposals according to the processing of a knowledge structure evaluation-processing module. The software system can evaluate the knowledge structure of enterprise internal personnel or a whole enterprise, and automatically generates corresponding structure evaluation reports to help enterprises or individuals be fully aware of the own knowledge structures so as to formulate specific proposals for enriching the own knowledge structure and promote the competitiveness of enterprises or individuals on core knowledge.

A method and system for correcting paper registration skew. A skew or paper registration error of a sheet moving in a feed path is detected. A coarse adjustment, or copy paper registration, using full steps is performed until the registration error is reduced to a minimum value, below a full step. The frequency of one motor with respect to the other, or a reference, or reference motors, is adjusted for a fixed period to enable a fine adjustment to correct the registration error.

The invention provides a paper conveyance mechanism capable of curl correction of paper drawn out from roll paper according to the intensity of curl. The paper conveyance mechanism comprises an ironing part for correcting paper curl which is brought into contact with an outer surface of the paper, a pressing part which presses the paper from one side to bend the paper at the ironing part, and an arm engaged with an outer circumferential surface of the roll paper to be operated according to a change in a roll diameter. An upstream-side pressing part is moved from the one side toward the other side in association with an operation of the arm during at least part of a period of the operation of the arm to reduce an ironing angle formed in the paper bent at the ironing part according to a decrease in the roll diameter.

The invention provides a paper conveyance mechanism capable of curl correction of paper drawn out from roll paper according to the intensity of curl. The paper conveyance mechanism comprises an ironing part for correcting paper curl which is brought into contact with an outer surface of the paper, a pressing part which presses the paper from one side to bend the paper at the ironing part, and an arm engaged with an outer circumferential surface of the roll paper to be operated according to a change in a roll diameter. An upstream-side pressing part is moved from the one side toward the other side in association with an operation of the arm during at least part of a period of the operation of the arm to reduce an ironing angle formed in the paper bent at the ironing part according to a decrease in the roll diameter.

The invention discloses a paper correcting device of an impress stamping machine. The paper correcting device comprises an upper template and a lower template; and a paper baffle point is arranged on the lower template. The paper correcting device is characterized in that a pushing gauge is arranged on the lower template; a mounting frame with a sliding chute is arranged at position near the end part of the lower template; a sliding block is arranged inside the sliding chute; a spring is arranged between the sliding block and the lateral wall of the sliding chute; the pushing gauge is connected with the sliding block; an inclined plane is arranged on the sliding block; a push rod is arranged on the upper template; and the push rod is matched with the inclined plane. According to the structure disclosed by the invention, an action device for driving the pushing gauge is arranged at the end part of the lower template, so that the interference between the lower template and a connection arm on the lower template is avoided when the lower template works, and further, the travel route of the pushing gauge can be designed to be larger; and the paper correcting device is simple in structure and convenient to use, and can correct paper in different specifications in impress stamping.

The invention relates to a box opening device, in particular to a box opening device applied to a boxing production line and the boxing production line.The box opening device comprises a containing bin used for containing paper boxes, a box suction mechanism used for sucking paper boxes in the containing bin out, a lifting mechanism used for driving the box suction mechanism to ascend and descend, a box opening mechanism located on the box outlet side of the containing bin and used for opening paper boxes when paper boxes in the containing bin are sucked out by the box suction mechanism, and a correcting mechanism used for correcting paper boxes located on the box suction mechanism.Compared with the prior art, when the lifting mechanism drives the box suction mechanism to ascend, paper boxes located on the box outlet side of the containing bin can be sucked out by the box suction mechanism, while when the lifting mechanism drives the box suction mechanism to descend, due to the fact that a linkage part used for driving the correcting mechanism is arranged on the box suction mechanism, the correcting mechanism is driven through the linkage part so as to complete correction of all opened paper boxes, automatic operation that paper boxes are opened from the plane state is achieved without manual intervention, and thus the boxing efficiency of products is improved.

The invention discloses an automatic shirt paper pattern generating system and method. The automatic shirt paper pattern generating system is easy to operate and is operated automatically. The automatic shirt paper pattern generating system and method solve the problem that an existing garment CAD pattern making system excessively depends on user experience, the professional degree and the subjective concept. The automatic shirt paper pattern generating system comprises a shirt standard style selecting module, a shirt part style selecting module, a size inputting module, a primary paper pattern generating module and a user evaluating module, wherein the shirt standard style selecting module is used for selecting the standard style of a shirt, the shirt part style selecting module is used for selecting all shirt part styles and providing the determined information to the primary paper pattern generating module, the size inputting module is used for obtaining size information and providing the size information to the primary paper pattern generating module, the primary paper pattern generating module is used for generating a paper pattern and providing the paper pattern to the user evaluating module, and the user evaluating module is used for user evaluation; if a user is not satisfied, evaluation is provided for a paper pattern correcting and generating module, the paper pattern correcting and generating module corrects the paper pattern in a fine adjustment mode, the corrected paper pattern is provided for the user evaluation module again, and the step is executed repeatedly until the user is satisfied; if the user is satisfied, the paper pattern is provided for a paper pattern outputting module to be output, and the paper pattern is saved in a paper pattern database.

The invention discloses a driving belt capable of correcting tilt of paper money. The driving belt comprises the driving belt and two main driving wheels connected with the driving belt, wherein an adjusting belt is also arranged at each of the left end and the right end of the driving belt; two secondary driving wheels are arranged between the two main driving wheels; the two adjusting belts are sleeved on the two secondary driving wheels; the transmission directions of the two adjusting belts are opposite to those of the driving belts; the two adjusting belts are respectively provided with a pair of sensors and a pair of elastic bumps from front to back along the transmission directions of the adjusting belts; each bump is provided with an inductor, and the inductor is opposite to a sensor. According to the driving belt capable of correcting the tilt of the paper money, the position of the paper money is adjusted by the bump resisting against the paper money; and meanwhile, the induction is confirmed by the inductor, and the convenience and the accuracy ratio of adjusting the tilt of the paper money are effectively improved.

The invention discloses a printing error correction method based on an image processing technology. The printing error correction method comprises the steps of transmitting an acquired image of a to-be-corrected paper file to a computer through a high-definition camera in an electric connection mode; enabling the computer to perform feature analysis and extraction on a paper file image to be corrected by using the CNN, and recording boundary coordinate value and background pixel value of each graph in the data storage module in pairs; manually marking the area of the error content in the to-be-corrected paper file image on the computer as a mark area A; comparing the coordinate value of the mark area A with the coordinate value of each graph boundary, and calling a matched background pixel value to fill the mark area A to serve as a mark area B; correcting the original electronic file on the computer, and conducting pixel value extraction on the corrected area of the corrected electronic file; and calling the corrected pixel value to fill the mark area B. The printed wrong content can be corrected under the condition that printing paper is not replaced.

The invention provides an automatic scoring method and a device for marking papers, which relates to the field of science and education. The automatic scoring method and device recognize the scoring value according to the trajectory information of the scoring pen received at different time points during writing; and then recording the order in which each score value is recognized at different points in time; finally, according to multiple scoring values, the order corresponding to each scoring value and the preset scoring model, the scores of all the test questions and the total scores of thetest papers are generated, wherein, the preset scoring model includes scoring rules in the order corresponding to the scoring value. The automatic scoring method and device for correcting test paper realize automatic batch scoring and summarization of test paper, avoid mistakes in calculating small score of each test paper, check multiple pages of test paper to turn pages, register system scores one by one and other tedious links, and remarkably improve the work efficiency of test paper scoring and summarization.

The invention discloses an intelligent correction method and system for correcting paper homework, and the method comprises the steps: constructing a knowledge base according to the examination line content and course knowledge, and obtaining the scanning data of the to-be-corrected paper homework from the outside; performing hyper-parameter fine tuning on the plurality of large models, adding role setting of a corrector to the large models in training, and using an RAG retrieval enhancement technology according to the constructed knowledge base; correcting the paper homework scanning data by using the fine-tuned large models, checking the consistency of a plurality of large models for generated answers by using an LLM confrontation communication method, and performing multiple rounds of challenges to obtain a correction result meeting a consistency requirement; and integrating a final correction result according to the correction results of the plurality of large models, and feeding back the final correction result to the paper job through the printer. According to the method, based on specially designed LLM countermeasure communication, RAG related technologies are integrated, and the model discrimination accuracy is greatly improved; and during exporting, a hardware printing exporting mode is adopted, the method is simple and direct, and examination paper marking correction can be realized.

The present invention relates to the technical field of paper box production, and discloses a fast deviation-correcting paper feeding device and method for a paper box production printing press, which solves the problem that when the paper board is tilted during transportation, the position of the paper board relative to the printing press will deviate, thereby reducing the printing quality. The device comprises two support boxes above the paper feeding table, the support boxes and the paper feeding table are fixedly connected by a plurality of connecting plates, and a plurality of paper feeding components are arranged between the two support boxes. Each group of paper feeding components includes an upper rotating shaft, a lower rotating shaft and two supporting shafts arranged between the two support boxes, and the ends of the upper rotating shaft and the lower rotating shaft are rotatably connected to the two support boxes respectively; the device is convenient for conveying paper boards of different specifications according to actual needs, thereby improving the scope of application, and can perform centering conveying and deviation correction on the paper board, thereby reducing the possibility of deviation in the printing position and ensuring the printing quality.

The invention belongs to the technical field of nail box equipment, and specifically relates to a double-sheet synchronous vertical deviation correcting paper feeding device for a nail box machine, including a frame on which four independently transported deviation correcting conveyors are sequentially arranged in parallel from left to right Mechanism, and there are two correction sensors on one side of each correction conveying mechanism, four sets of correction sensors are used to detect the alignment degree of two corrugated papers, and the detection signals are sent to the control system, and the cardboard is automatically analyzed by the control system For the angle of deviation (deviation), the system controls the transmission acceleration and deceleration of the four deviation correction conveying mechanisms, so that the two pieces of corrugated cardboard are completely vertically aligned during the transmission process. The double-sheet synchronous vertical correction and paper-feeding device of the present invention completely solves the scissors edge and front and rear misalignment jamming technology of the double-sheet carton.

The deviation rectifying feeder comprises a bottom plate, a rack, a deviation rectifying mechanism, a feeding air box, a limiting mechanism and a material supporting mechanism, and the rack is rotationally connected to the bottom plate through the deviation rectifying mechanism and drives the feeding air box, the limiting mechanism, the material supporting mechanism and conveyed paper to rotate integrally so as to correct the conveying posture of the paper. According to the deviation rectifying feeder, the paper conveying posture is recognized in real time through the sensing assembly, the driving assembly synchronously and reversely drives the rack to rotate integrally, synchronous deviation rectifying of related parts such as the feeding air box and the limiting mechanism and paper is achieved in combination with the rotating assembly arranged in a concentric arc mode, and deviation rectifying is more stable and accurate. The limiting mechanism can achieve left-right limiting and conveying quantity control of paper at the same time, the deviation hidden danger caused by conveying of multiple pieces of paper is reduced, and the conveying regularity is improved. The whole structural design enables the machine frame to rotate smoothly and respond in time, paper deviation is effectively corrected, it is guaranteed that the conveying posture is accurate, stable guarantee is provided for subsequent machining procedures, and the operation reliability and conveying quality of equipment are improved.

To provide an image-forming apparatus that, even when a drawer is configured to be drawable from a body, can maintain a sheet inclination correction function of a resist roller.SOLUTION: An image-forming apparatus 1 comprises: an apparatus body 2 that includes a front surface 2A including a front opening 2F, and a rear surface 2B arranged separate from the front surface 2A in a front-and-rear direction; a paper feed tray 10 that supports a sheet S; an image forming unit 5 that transfers toner to the sheet S fed from the paper feed tray 10 to form an image; a drawer 59 that includes a resist roller 35a correcting the inclination of the sheet S, supports a toner cartridge 50, and is movable along a direction directed from the rear surface 2B to the front surface 2A through the front opening 2F in the apparatus body 2; and a re-conveying chute 13 that forms a re-conveying path P2 for guiding the sheet S on one side of which the image is formed by the image forming unit 5 to the image forming unit 5 again. The re-conveying path P2 is located between the paper feed tray 10 and the drawer 59 in an up-down direction.SELECTED DRAWING: Figure 1

The invention discloses a driving belt with a telescopic adjustment rod capable of correcting tilt of paper money. The driving belt comprises the driving belt and two driving wheels connected to the driving belt, wherein support saddles are also respectively arranged at the left end and the right end of the driving belt; the two support saddles are respectively provided with a pair of sensors and a pair of adjustment rods capable of stretching up and down from back to front along the transmission direction of the driving belt; an inductor is arranged at the head part of each adjustment rod; and meanwhile, the adjustment rods stretch forwards and backwards to face to the sensors. By using of the driving belt with the telescopic adjustment rod capable of correcting tilt of the paper money, a support rod of each adjustment rod lifts upwards, and a push rod stretches along the direction opposite to the transmission direction of the driving belt so as to resist against the paper money to adjust the position of the paper money when the sensor on each support saddle senses the tilt of the paper money on the driving belt; and meanwhile, induction is confirmed by the inductor. By using the method, the convenience and the accuracy of adjusting tilt of the paper money are effectively improved.

The invention discloses a paper surface correction mark leaving printing optimization method, a storage medium and equipment, and the method comprises the following steps: S1, scanning all to-be-corrected paper paper surfaces, and obtaining a paper surface image set; s2, performing image preprocessing on each paper surface image in the paper surface image set to obtain a first paper surface image set; s3, calculating a hash value corresponding to each paper surface image in the first paper surface image set, storing the hash value corresponding to each paper surface image into a database, establishing an index, and constructing a paper surface image hash library; s4, correcting each paper surface image in the first paper surface image set, and generating a correction label of each paper surface image; and S5, printing the correction label of each paper surface image to the corresponding surface of the corresponding paper paper surface. The method is more flexible, the limitation on paper feeding during printing can be reduced, the requirement on an operator is reduced, and the problem of staggered marks is reduced.

The invention relates to the technical field of printing equipment, in particular to an intelligent paper feeding device with a paper pre-alignment function, which comprises a rack, a paper feeding platform, a paper feeding mechanism, a pre-alignment mechanism, a detection unit and a control unit, the pre-alignment mechanism is arranged above the paper feeding platform and comprises an alignment datum plate driven by an alignment driving assembly; the detection unit is used for acquiring paper pile edge position information; the control unit controls the alignment datum plate to horizontally move in the direction perpendicular to the paper conveying direction according to the detection information so as to correct the position of the paper pile. The paper pre-alignment device can automatically complete paper pre-alignment before paper feeding.

The invention discloses a double-sided printing conveying device and a double-sided printer, and belongs to the technical field of printers. The double-sided printing conveying device comprises a guide piece used for guiding paper to advance along a preset path, a paper feeding mechanism used for conveying the paper in the conveying direction, and a correction adjusting mechanism used for adjusting the contact position of a driven roller and a driving roller so as to guide the paper of different sizes to advance and correcting the inclined posture of the paper in the conveying process. According to the double-sided printing conveying device, the contact position of the driven roller and the driving roller can be adjusted at will through the correcting and adjusting mechanism so that paper of different sizes can be guided to advance, the inclined state of the paper of any size in the conveying process can be corrected, and therefore double-sided printing of the paper of any size is achieved; and the application scene of the double-sided printer is greatly widened.

The utility model relates to the technical field of folder gluers, in particular to a paper feeding deviation rectifying mechanism of a folder gluer. According to the technical scheme, the device comprises a workbench, a conveying device is arranged on the top face of the workbench, and adjusting frames are arranged on the front side and the rear side of the conveying device. By arranging the adjusting frame, the rotary knob, the screw rod, the threaded block, the push rod and the deviation rectifying plate, deviation rectifying can be conveniently carried out on paper of different sizes, paper displacement is prevented by arranging the fixing plate, the air cylinder, the pressing plate and the idler wheels, dust on the paper can be conveniently cleaned by arranging the stand column, the mounting plate, the motor, the exhaust pipe and the exhaust opening, and the practicability is high. The device is simple in structure and convenient to operate, subsequent processing of paper is more convenient, absorbed dust can be treated conveniently by arranging a filter cylinder and a filter screen, the height of the device can be adjusted conveniently by arranging a top column, a stud, a worm gear, a sleeve and a supporting plate, the device can be suitable for devices with different heights, and connection of front and back procedures is met.

The present invention includes a friction transport device and a paper sheet transport device that can correct paper sheets inserted from various positions or angles to a normal transport state while continuously transporting the paper sheets without any deformation due to contact with a sidewall or the like. A drive-side unit 20 includes a drive roller 25 that rotates on a shaft part 22, a rocking arm 30 that includes the shaft part 22 at one portion thereof and that has another portion thereof pivotally supported by a rocking shaft 50a so as to change a transport grip by rocking the drive roller to change a distance from a driven roller 102, and an elastic biasing member 40 that elastically biases the drive roller toward the driven roller via the rocking arm.

The invention provides a paper characteristic detection device, an image forming system and a computer program product, which can restrain reduction of detection precision of paper thickness of a recording medium. A sheet characteristic detection device includes a nip portion that nips a recording medium, a sheet thickness detection sensor, and a control portion. The paper thickness detection sensor detects displacement of the recording medium in the thickness direction in the nip. The control unit calculates the thickness of the recording medium on the basis of a detection value detected by the paper thickness detection sensor. In addition, the control unit corrects the detection value or the thickness detected by the paper thickness detection sensor according to the length of the recording medium in the width direction orthogonal to the conveyance direction or the length of the recording medium in the width direction of the portion in contact with the nip, and acquires the thickness of the recording medium.