299 results about "Thermal paper" patented technology

The invention discloses an intelligent management method for liquidation receipts based on multi-modal data fusion, and particularly relates to the field of data analysis. Comprising the steps of S1, multispectral data acquisition in a limited illumination environment, S2, cross-modal feature decoupling and recombination, S3, space-time heterograph neural network analysis, S4, multi-scale attention decision fusion, S5, resistance enhancement verification, and S6, incremental management based on knowledge distillation. According to the method, the physical anti-counterfeiting capability is remarkably improved, the paper material, the ink components and the surface structure are deeply analyzed through a multispectral sequence acquisition mechanism, and hidden tampering behaviors such as color fading and chemical altering of the thermo-sensitive paper are accurately identified. Cross-modal deep correlation analysis is achieved in a breakthrough mode, a physical-semantic decoupling technology and a space-time heterogeneous graph network are adopted for modeling, and non-dominant laws such as commodity position offset and tax rate anomaly are effectively captured.

The invention discloses a thermal-sensitive paper coating quality image recognition method, system and device and a medium, and relates to the technical field of thermal-sensitive paper coating quality recognized.The method comprises the following steps that an image obtaining scene is established, and a light-transmitting image of to-be-detected thermal-sensitive paper is obtained based on the image obtaining scene and marked as a thermal-sensitive paper light-transmitting image; judging whether the distribution range of the gray values of all the pixel points in the detection gray-scale map is abnormal or not, and if yes, marking the detection gray-scale map as an initial abnormal gray-scale map; judging whether the middle area of the to-be-detected thermo-sensitive paper corresponding to the initial abnormal grey-scale map is sunken or not, and if not, sending out a coating abnormal signal of the to-be-detected thermo-sensitive paper; the method is used for solving the problems that the identification efficiency is low and the obtained overall thermal-sensitive paper coating qualification rate is inaccurate due to the fact that a dynamic color development instrument and a thermal printer are used for detecting the coating quality in an existing thermal-sensitive paper coating quality identification technology.

The invention relates to double-color erasable thermo-sensitive paper based on multi-color and multi-layer superposition and a preparation method of the double-color erasable thermo-sensitive paper, and relates to the technical field of printing supplies. The invention provides double-color erasable thermo-sensitive paper based on multi-color and multi-layer superposition. The double-color erasable thermo-sensitive paper comprises a protective layer, a thermo-sensitive coating and a base material which are sequentially arranged from top to bottom, the thermosensitive coating comprises a red thermosensitive coating, a yellow thermosensitive coating and a blue thermosensitive coating which are sequentially arranged from top to bottom. The two-color erasable thermal sensitive paper prepared by the preparation method provided by the invention can be subjected to color overlapping, and the color coordinates of the two-color erasable thermal sensitive paper only have tiny deviation after being repeatedly erased for 100 times, so that the two-color erasable thermal sensitive paper can be repeatedly used, resources are greatly saved, pollution is reduced, and the two-color erasable thermal sensitive paper is environment-friendly.

The invention relates to the technical field of thermo-sensitive paper processing, and discloses a reel thermo-sensitive paper slitting device and a slitting method.The reel thermo-sensitive paper slitting device comprises a base, two supporting plates are fixedly connected to the top of the base, a guide roller is rotationally connected between the two supporting plates, a frame plate is arranged between the two supporting plates, and a control mechanism is arranged on the frame plate. Through the design of a control mechanism, after slitting and winding are completed, a frame plate is controlled to rotate by 90 degrees, a winding roller is pushed out of a mounting base in a first electric push rod stretching mode, and the upper and lower different first electric push rods are further separately and independently controlled to stretch out and draw back; a winding drum moving channel at the top or the bottom can be formed outside the winding roller, so that feeding or discharging is rapidly carried out, after feeding is completed, the two contact plates are directly controlled to move oppositely, a winding drum can be clamped, stable development of winding work is guaranteed, excessive manual participation is not needed in the operation process, more convenience is achieved, and manpower is saved.

The invention discloses an electronic lottery system based on an electronic signature and process data storage technology, and relates to the technical field of lottery systems. Comprising a lottery buyer betting client which receives betting information (lottery types, period numbers and number selection schemes) of lottery buyers through a standard betting control, generates a betting order containing a timestamp and a dynamic information code (a two-dimensional code / bar code, and the time efficiency is 60 seconds), and synchronously collects user real-name authentication information and betting behavior data (operation time and number selection records). A thermo-sensitive paper bill is replaced by the electronic certificate, so that the problem of certificate damage caused by environmental factors is avoided; by combining the electronic signature and the block chain evidence storage technology, tampering-free evidence storage of the voucher hash value is realized, counterfeiting and tampering risks are effectively prevented, and awarding disputes are reduced.

The invention discloses a thermo-sensitive paper rolling alignment detection method and system based on image and sensor fusion, and relates to the technical field of rolling alignment detection, and the method comprises the following steps: carrying out graying and binarization processing on a thermo-sensitive paper rolling image to obtain a rolling binary image; performing contour extraction on the rolled binary image to obtain a rolled contour image; obtaining the thickness and the width of the rolled thermo-sensitive paper based on the rolling profile diagram, and respectively marking the thickness and the width as actual thickness and actual width; based on data of the speed sensor and the angular velocity sensor, calculating to obtain the thickness of the thermal-sensitive paper which is predicted to be rolled, and marking the thickness as predicted thickness; marking the width of the thermo-sensitive paper as a predicted width; judging whether the actual thickness and the actual width are abnormal or not based on the predicted thickness and the predicted width; the method is used for solving the problem that in an existing winding alignment detection technology, only whether winding alignment exists or not is judged, and the alignment reason cannot be judged, so that the detection result is not accurate enough.

The invention discloses a simple test method for saturated light-emitting light density of low-basis-weight thermo-sensitive paper, and relates to the technical field of thermo-sensitive material detection.The simple test method comprises the steps that an undeveloped surface image of to-be-tested low-basis-weight thermo-sensitive paper is obtained, and the undeveloped surface image and initial heating parameters are input into a pre-trained generative adversarial network model; generating a predicted color developing light density distribution image corresponding to the saturated color developing state and associated initial heating parameters; and carrying out weighted normalization processing on the optical density distribution data based on thin-layer structure characteristics, and outputting a global saturated optical density value and a color rendering uniformity evaluation result. According to the method, the generative adversarial network and the multispectral imaging technology are combined, so that the optical density distribution in the saturated color development state is directly predicted from the undeveloped surface image, and the test efficiency and the measurement precision are remarkably improved.

The invention discloses a preparation method of a novel environment-friendly water-resistant adhesive for a thermo-sensitive paper label, and relates to the technical field of adhesive preparation. The preparation method comprises the following steps: firstly, carrying out graft copolymerization on tannic acid to generate a spinning solution, preparing micron-sized polyurethane elastic fibers, introducing a plurality of phenolic hydroxyl groups into soybean protein, forming a new compact network structure with the protein to prevent invasion of water molecules, and cooperating with microwaves to change an aggregation mode among protein molecules and improve the hydrophobicity of the soybean protein; phenolic hydroxyl is used as a hydrogen donor to resist oxidation and improve the viscosity of the adhesive; the modified starch is esterified by amino acetyl chloride, so that the compatibility is improved, the modified starch and the epoxy resin form a mutual cross-linked net structure, and the modified starch and the polyurethane elastic fibers can form a chain structure, and the mechanical bonding performance of the adhesive is improved; in addition, green and environment-friendly raw materials are adopted, so that the adhesive can be biodegraded, and novel and environment-friendly effects are achieved. The adhesive prepared by the invention has the effects of environmental protection, high viscosity and water resistance.

The invention relates to the field of image processing, in particular to a thermosensitive coating defect detection method and system for thermosensitive paper, and the method comprises the steps: collecting a historical thermosensitive coating original image with defect marks; the defects are clustered, the size of the center point of any cluster serves as the size of an initial window, grid division is conducted on a thermosensitive coating grey-scale map obtained in real time, and a gray-scale co-occurrence matrix of each grid is obtained; taking any grid as a central grid, calculating the sum of differences between the central grid and the gray-level co-occurrence matrixes of all other grids in a preset neighborhood, and normalizing the sum of differences to obtain a texture difference matrix of the central grid; and calculating the probability that the grid has texture defects, calculating the integrated defect probability of pixel points in the grey-scale map, and if the integrated defect probability of the pixel points is greater than a preset threshold value, judging that the pixel points are defective pixel points. According to the invention, potential defects can be effectively detected from the thermosensitive coating image, so that the accuracy of defect detection is improved.

The utility model discloses a protective device for thermal paper processing, comprising a base, a conveying assembly, a cutting assembly, a roll changing assembly, a winding assembly and a material discharging assembly, wherein a conveying assembly is arranged above the base, the cutting assembly is arranged above the base, the roll changing assembly is arranged above the base, the winding assembly is arranged at one side of the roll changing assembly of the base, and the material discharging assembly is arranged above the base, wherein a gear is arranged, the gear is meshed and connected with a rack, a fourth motor drives the gear to rotate, and a slide plate is made to slide while a support plate on the slide plate drags the wound coil, thereby reducing the contact between the thermal paper and the staff and avoiding chemical reaction of the thermal paper, and a spring is arranged above the slide plate, the spring can make the support plate fit the coil more closely, and the support plate will not deviate when driving the coil to be discharged, and the device solves the problems of lack of protection for the current thermal paper discharging and easy injury to the staff when changing the roll.

The invention discloses an artificial intelligence-driven thermal paper production waste intelligent identification method, and relates to the technical field of thermal paper production waste identification, and the method comprises the following steps: obtaining a first normal reference value and a second normal reference value based on a first amount of normal thermal paper drawing; obtaining an initial abnormal region based on the real-time thermo-sensitive paper graph, the first normal reference value and the second normal reference value; acquiring three-dimensional point cloud charts above and below the thermo-sensitive paper in the initial abnormal region part, and marking the three-dimensional point cloud charts as real-time point cloud charts; constructing a real-time detection angle based on the real-time point cloud atlas; acquiring a historical normal angle based on the second quantity of normal thermal sensitive paper; acquiring a normal angle reference value based on the historical normal angle; based on the real-time detection angle value and a normal angle reference value, judging whether the thermo-sensitive paper is a waste material or not; the method is used for solving the problem that in an existing thermo-sensitive paper production waste recognition technology, whether interference exists or not cannot be further analyzed to cause recognition error defects, and consequently the accuracy of thermo-sensitive paper production waste recognition is low.

The utility model discloses a paper product processing paper separating machine with an adjusting function, which belongs to the field of thermo-sensitive paper cutting equipment and comprises two side mounting plates, two tensioning and rolling mechanisms are arranged between the two side mounting plates, and the two tensioning and rolling mechanisms are arranged on the two side mounting plates. The tensioning winding mechanism comprises a motor fixedly connected to one side of the side mounting plate and a fixed disc fixedly connected to the other side of the side mounting plate, the inner ring surface of the fixed disc is rotationally connected with a rotating gear ring, one side of the inner wall of the fixed disc is rotationally connected with at least four gears, and the gears are all meshed with the rotating gear ring; the length of the fixing disc is larger than that of the rotating gear ring, at least four racks are connected to the side, away from the side mounting plate, of the fixing disc in a penetrating and sliding mode, and the thermal-sensitive paper can be prevented from being broken during rolling, the tensioning degree of the thermal-sensitive paper after rolling is guaranteed, and a worker can conveniently take down a formed thermal-sensitive paper ring.

The invention relates to erasable color thermo-sensitive paper and a preparation method thereof.The erasable color thermo-sensitive paper comprises a protective layer, a thermo-sensitive coating and a base material layer, and the thermo-sensitive coating comprises a yellow thermo-sensitive coating, a first middle layer, a magenta thermo-sensitive coating, a second middle layer and a cyan thermo-sensitive coating which are sequentially arranged from top to bottom; the protective layer is arranged on the yellow thermosensitive coating, and the cyan thermosensitive coating is arranged on the base material layer; the color developing temperature difference among the yellow thermosensitive coating, the magenta thermosensitive coating and the cyan thermosensitive coating is not less than 25 DEG C; the yellow thermosensitive coating, the magenta thermosensitive coating and the cyan thermosensitive coating are respectively added with a heat conduction auxiliary agent. According to the erasable color thermo-sensitive paper, heat is isolated through the middle layer; the color developing temperature difference of the yellow thermosensitive coating, the magenta thermosensitive coating and the cyan thermosensitive coating is not less than 25 DEG C, so that full-color printing can be realized by superposing three colors; and by adding the heat-conducting auxiliaries with different particle sizes, a more efficient erasing effect is obtained.

The invention discloses a thermo-sensitive paper coating suitable for a backing-paper-free label and a preparation method and application of the thermo-sensitive paper coating, and relates to the technical field of composite materials. According to the thermal-sensitive paper coating provided by the invention, a specific thermosensitive composition is adopted to construct a color developing substance of a color developing layer, 3-(3-methylureido) phenyl-4-methyl benzenesulfonate is compounded with a specific fluorane dye, and the obtained thermosensitive composition can form a covalent bond with silicone oil, so that the silicone oil can be promoted to be cured to form a compact coating, and the thermal-sensitive paper coating has the advantages that the thermal-sensitive paper coating has a good color developing effect; and the silicone oil isolation layer and the thermosensitive composition have excellent binding force, so that the coating provided by the invention has excellent color development performance and higher curing rate, the curing time is as low as 15 seconds or less, the glossiness is 46.7 GU or more, and the dynamic saturation color development performance is 0.96 or more.

The invention discloses a thermosensitive desktop barcode printer capable of adapting to various paper widths, the device comprises a printing seat and a pressing cover, a roll paper fixing piece and a paper feeding channel are arranged in the printing seat, a Bluetooth module used for being in control connection with a computer or a mobile terminal is arranged in the pressing cover, centering positioning blocks are arranged on two sides of the top of the paper feeding channel in a sliding manner; centering positioning clamps are arranged on the outer walls of the two sides of the roll paper fixing piece in a sliding mode, synchronous driving pieces are arranged between the centering positioning blocks and the centering positioning clamps, a driving rubber roller is arranged at the outer end of the paper feeding channel, and an anti-scraping and anti-tearing paper cutter is rotationally arranged at the position, located on the outer side of the driving rubber roller, of the bottom of the gland. The distance between the two sets of centering positioning blocks and the two sets of centering positioning clamps is adjusted through the synchronous driving piece to adapt to thermo-sensitive paper of different widths, meanwhile, the anti-scraping paper tearing knife can be made to tilt when the rubber roller is driven to rotate, the phenomenon that a printed object is scratched by a sawtooth-shaped paper tearing knife edge in the printing process is avoided, and meanwhile paper clamping is avoided.

The utility model relates to the technical field of thermo-sensitive paper production, and discloses a fixed-length splitting machine for thermo-sensitive paper production, which comprises a bottom plate, rollers arranged on the surface of the bottom plate, a collecting wheel arranged on the surface of one end of the bottom plate and a cutting mechanism arranged on the surface of the bottom plate. The cutting mechanism comprises a supporting plate. According to the fixed-length dividing and cutting machine for thermo-sensitive paper production, in order to enable the thermo-sensitive paper dividing and cutting machine to work better, the cut-off mechanism is arranged and matched with movement of a movable rod, a pulley, heavy lead, a movable column, a long rod, a fixed rod, a cutting knife, a spring column and a bottom block, and when thermo-sensitive paper on a collecting wheel reaches a certain thickness, the thermo-sensitive paper makes contact with the pulley; the pulley moves upwards due to the thickness of the thermo-sensitive paper on the collecting wheel to drive the movable rod to move, and the movement of the movable rod is matched with the movement of the movable column, the long rod, the fixed rod, the cutter, the spring column and the bottom block, so that the thermo-sensitive paper is automatically cut off when being collected.

The utility model relates to the technical field of roll paper die cutting, and discloses a thermo-sensitive paper high-precision die cutting device which comprises a U-shaped frame, thermo-sensitive paper and a cutting knife, a rolling assembly is arranged between the inner walls of the two ends of the U-shaped frame, flattening assemblies are arranged on the two sides of the inner walls of the U-shaped frame, a lifting assembly is arranged between the inner walls of the U-shaped frame, and a cutting assembly is arranged at the bottom end of the lifting assembly. Distance adjusting assemblies are arranged on the outer side of the cutting assembly at equal intervals. By arranging the flattening assembly, a section of thermo-sensitive paper can be conveniently flattened downwards, by arranging the lifting assembly, the effect of conveniently adjusting the lifting of the cutting assembly is achieved, by arranging the cutting assembly, the effect of conveniently cutting the thermo-sensitive paper is achieved, by arranging the distance adjusting assembly, the effect of conveniently adjusting the distance of a cutting knife on a rotating shaft in the cutting assembly is achieved, and the cutting efficiency is improved. And the thermo-sensitive paper can be further conveniently cut in different widths, the requirements of workers are increased, and the practicability of the equipment is improved.

The invention relates to full-color erasable thermosensitive photographic paper and a preparation method thereof. The full-color erasable thermosensitive photographic paper comprises a protective layer, a thermosensitive coating and a base material which are sequentially arranged from top to bottom, the thermosensitive coating comprises a yellow thermosensitive coating, a first middle layer, a magenta thermosensitive coating, a second middle layer and a cyan thermosensitive coating which are sequentially arranged from top to bottom. According to the full-color erasable thermosensitive photographic paper prepared by the invention, yellow, magenta and cyan with relatively high color density can be realized, and the situation that the color density of yellow, magenta and cyan in the current thermosensitive photographic paper is not enough is avoided; compared with the prior art, the full-erasable thermo-sensitive paper has the advantages that independent yellow, fuchsin and cyan can be printed, color overlapping can be carried out, and only tiny deviation of color coordinates occurs after 100 times of repeated erasing, so that the full-erasable thermo-sensitive paper can be repeatedly used, and the problems of serious environmental pollution and resource waste caused by the fact that ink-free photographic paper can only be used once in the prior art are solved.

The invention discloses a two-color printing method based on a thermal printer. The two-color printing method comprises the steps that a two-color printing mode is started; performing color configuration on different types of to-be-printed information, and respectively setting the to-be-printed information as a first color and a second color; converting the character data to be printed into dot matrix data; according to the color configuration, converting the dot matrix data into double-color printing dot matrix data according to a double-color printing data encoding format; the control chip of the thermal printer separates second color printing data from the two-color printing dot matrix data, and respectively restores all the two-color printing dot matrix data and the second color printing data into 1-bit single-color printing dot matrix data; calculating the first color heating time and the second color heating time of the double-color thermo-sensitive paper according to the restored double-color printing dot matrix data and the second color printing data; and according to the first color heating time and the second color heating time, the printing head is controlled to heat the two-color thermo-sensitive paper in a time-sharing mode, and two-color printing is achieved. The printing information identification degree can be improved.

The invention provides a method for measuring the service life of surface glass of a thermosensitive sheet, and relates to the technical field of thermosensitive sheets. The method for measuring the service life of the surface glass of the thermosensitive sheet comprises the following steps: assembling the thermosensitive sheet to be measured on a thermosensitive printer; measuring paper with the surface roughness larger than that of the thermo-sensitive paper is selected to replace the thermo-sensitive paper, and the printing length L of the corresponding measuring paper when the printing length of the thermo-sensitive paper is the standard printing length is determined according to the corresponding relation between the printing length of the measuring paper and the printing length of the thermo-sensitive paper when the surface glass abrasion loss of the thermo-sensitive sheet is the same; and continuously printing the measuring paper by using the thermo-sensitive sheet, and after the measuring paper with the length L is printed, detecting the abrasion condition of the surface glass of the thermo-sensitive sheet to determine whether the service life of the surface glass of the thermo-sensitive sheet reaches the standard or not. The thermosensitive sheet can be measured only by printing short measuring paper, and compared with an existing method for measuring the service life of the surface glass of the thermosensitive sheet, the time consumption and the consumption of the measuring method can be reduced.

The utility model discloses waterproof thermo-sensitive paper, relates to the technical field of thermo-sensitive paper, solves the problem that the protection effect of the thermo-sensitive paper on a waterproof layer is not ideal, and comprises body paper, the outer surface of the body paper is provided with a first protection layer, and the thermo-sensitive paper is jointly constructed by arranging the body paper, the first protection layer, a second protection layer and an anti-counterfeiting layer. The surface of the body paper can be primarily protected through the first protective layer, the surface of the body paper can be protected again through the second protective layer, the waterproof performance of the body paper can be further improved through the second waterproof layer, the wear-resistant layer can improve the wear resistance of the thermo-sensitive paper, meanwhile, the second waterproof layer can be protected, and the service life of the thermo-sensitive paper is prolonged. According to the mode, the first protective layer and the second waterproof layer are not prone to being damaged, the protective performance of the body paper can be improved, the thermo-sensitive paper is not prone to being damaged in the using process, and the service life of the thermo-sensitive paper can be prolonged.

The reciprocating cutting equipment for thermo-sensitive paper production comprises a processing table top and supporting legs fixedly installed at the four corners of the bottom of the processing table top, side frames are arranged on the two sides of the processing table top, and a top frame is jointly and fixedly installed at the tops of the two side frames; the slitting and cutting machine further comprises a slitting and cutting double-end driving mechanism, an interval dynamic adjustable slitting mechanism and a cutting interval adjustable cutting mechanism. The slitting and cutting-off double-end driving mechanism is arranged at the bottom of the top frame and used for providing pressing power for the interval dynamic adjustable slitting mechanism and the cutting-off interval adjustable cutting mechanism to achieve slitting and cutting-off work. According to the thermal-sensitive paper cutting device, the distance between the cutting knives can be flexibly adjusted without frequently replacing the knives, the cutting requirements of thermal-sensitive paper with different length specifications can be conveniently met, and the problems that according to existing thermal-sensitive paper cutting equipment, the cutting distance is fixed, the cutting position is complex to adjust, and the production efficiency is low due to the fact that the knives need to be frequently replaced or debugged are solved.

The invention discloses a color receipt printing method and device, computer equipment and a readable storage medium, relates to the technical field of Internet, and provides universal color receipt printing capability by performing gradient heating treatment on thermo-sensitive paper and identifying and recording printable colors and required temperatures of the thermo-sensitive paper. And diversified and personalized printing requirements are met. The method comprises the following steps: acquiring a preset heating temperature interval, and carrying out gradient heating on currently identified thermo-sensitive paper according to the heating temperature interval to obtain a heating result; according to the heating result, determining at least one target color which can be printed and displayed by the currently identified thermo-sensitive paper, and determining a heating temperature corresponding to each target color; and in response to a color receipt printing instruction, determining a to-be-printed color, and carrying out heating printing on the currently identified thermo-sensitive paper according to a specified heating temperature corresponding to the to-be-printed color, so that the to-be-printed color is presented on the currently identified thermo-sensitive paper, and a color receipt is obtained.

The invention relates to the technical field of image processing, in particular to a thermo-sensitive paper surface smoothness detection method and system based on image processing, and the method comprises the steps that multiple sets of images of thermo-sensitive paper are collected and subjected to graying processing and contrast enhancement, and one set of images comprise a conventional image and polarized light images at all preset angles; and calculating entropy values of the polarized light images, arranging the polarized light images in a descending order according to the entropy values, selecting two maximum polarized light images from the polarized light images, and performing weighted stacking according to weights of respective entropy value proportions to obtain a final polarized light image. According to the method, the surface structure information of the thermo-sensitive paper is enhanced by using the polarized light image, and the linear regression model is established by combining the gray variance, the local contrast and the edge gradient mean value to carry out smoothness score prediction. The method has the main advantages that the detection precision is improved, subjective errors are reduced, the method is suitable for automatic production detection, and errors and damage possibly caused by a traditional contact type detection method are avoided.

The invention firstly provides a structure of environment-friendly bottomless paper type thermo-sensitive paper. The structure comprises a base material, and a thermo-sensitive coating and a silicone oil layer which are sequentially laminated on one surface of the base material, the thermosensitive coating comprises a color developing layer, a pre-coating layer and a bottom coating layer which are laminated in sequence, and the bottom coating layer is laminated on one surface of the base material; secondly, a coating system is provided, and a color developing agent comprises 4, 4 '-sulfonyl diphenol; the invention also provides a preparation method which is used for preparing the thermo-sensitive paper by adopting the structure and the coating system, and comprises the following steps: coating the color developing layer on the surface of the pre-coating layer by using curtain coating; a novel structure is designed, a basis is provided for the self-curling release performance of the thermo-sensitive paper, a coating system uses 4, 4 '-sulfonyldiphenol, so that the color saturation, the light resistance and the stability of the thermo-sensitive paper can be improved, the thermo-sensitive paper does not react with silicone oil, the release performance is improved, a curtain coating method is adopted based on the structure and the coating system, and the self-curling release performance of the thermo-sensitive paper is improved. And the coating uniformity, color development and other properties of the thermo-sensitive paper are effectively improved, and the environment-friendly thermo-sensitive paper which is fast in reaction, bright in color and high in definition during printing is integrally formed.

The utility model relates to a detection device for high temperature resistant thermo-sensitive paper, which comprises a protective support, two guide rollers are rotatably mounted at the rear end in the protective support, an adjusting mechanism is arranged at the rear end in the protective support, a cleaning mechanism is arranged in the adjusting mechanism, and the cleaning mechanism is connected with the guide rollers. A detection mechanism is arranged in the protection support, the cleaning mechanism comprises two containing bins, electrostatic flannelette rollers are rotationally installed in the containing bins, and the front electrostatic flannelette roller and the rear electrostatic flannelette roller penetrate through and extend to the opposite sides of the containing bins. According to the detection device for the high-temperature-resistant thermo-sensitive paper, through the arrangement of the cleaning mechanism, the detection mechanism and the adjusting mechanism, dust attached to the surface of the three-proofing thermo-sensitive paper can be rapidly subjected to electrostatic adhesion cleaning before visual detection, so that the situation that the surface of the three-proofing thermo-sensitive paper is blocked to affect the detection effect is avoided, and the detection accuracy is higher.

The invention belongs to the technical field of thermal paper slitting and discloses thermal paper slitting equipment which comprises a rack, mounting seats are fixedly connected to the two ends of the rack, an unwinding roller is mounted at one end of each mounting seat, a first guide rod is arranged at the top of each mounting seat, and a second guide rod is arranged at the other end of each mounting seat. A tensioning degree adjusting mechanism is arranged between the first guide rod and the unwinding roller, a moving mechanism is additionally arranged on the slitting equipment, so that different sizes can be cut at the same time according to the needed size of thermo-sensitive paper, and the situation that existing slitting equipment can only complete cutting of the same size, so that the cutting efficiency is greatly improved is changed. According to the thermal paper slitting device, the range of the slitting size of the thermal paper by the slitting device is expanded, the downward moving position of the cutter can be adjusted and positioned through the positioning mechanism according to the thermal paper of different thicknesses, and the situation that the thermal paper is damaged due to the fact that the cutter moves downwards too much or the thermal paper cannot be slit due to the fact that the cutter moves downwards too little is prevented; therefore, the working efficiency of slitting the thermal sensitive paper by the slitting equipment is enhanced.

This invention discloses a thermal paper processing equipment and process, including a cylinder with a feed inlet fixedly connected to its side wall. The raw material crushing equipment allows adjustment of the angle between the bottom plate and the feed inlet by rotating a threaded bolt, thereby controlling the descent speed of the raw material on the bottom plate surface and thus controlling the length of the cut material for subsequent papermaking. During processing, the raw material is placed into the feed inlet, and then a servo motor is activated. The servo motor drives a rotating shaft to rotate, which in turn drives a first rotating column on its side wall to rotate. The first rotating column then collides with a semi-circular block, causing the semi-circular block to move a connecting rod towards the inner cavity of the feed inlet. A first spring between the semi-circular block and the cylinder is compressed, generating a rebound force that drives the blade towards the bottom plate surface, cutting the raw material on the bottom plate surface. When the first rotating column moves away from the semi-circular block, the connecting rod, semi-circular block, and blade all return to their original positions under the rebound force of the first spring.

The utility model discloses a label printer belongs to label printing technical field, and this printer includes printer casing, installation chamber, thermal paper roll, base, mounting base, connecting block, connecting block, side baffle, dust absorption net cylinder, dust absorption box, dust absorption pipeline and micro -pump, through micro -pump makes the dust absorption box place produce suction, thereby can make the dust of thermal paper roll contact mounting base outer wall inhale, and through dust absorption pipeline enter the inside of filter box and be blocked by filter core, thereby can avoid the purpose that the impurity dust of thermal paper roll surface exists and influences the imaging effect, through the pull handle, can conveniently draw out filter core and clean or replace, and through the fixed connection between dust absorption box and both sides side baffle, can make the opening of dust absorption box always face upwards, and further make the effect of dust absorption better.

The invention discloses an environment-friendly phenol-free thermo-sensitive paper label material and a preparation method thereof, and relates to the technical field of thermo-sensitive paper. When the environment-friendly phenol-free thermo-sensitive paper label material is prepared, cellulose sequentially reacts with cyanoacetic acid, 4-(2-chloroethyoxyl) benzophenone and N, N-dimethylpropyl-1-amine to prepare modified cellulose; the preparation method comprises the following steps: carrying out reaction on silicon dioxide and diethylenetriamine propyl trimethoxy silane to prepare pre-modified silicon dioxide; reacting the pre-modified silicon dioxide, phosphorous acid and formaldehyde to obtain modified silicon dioxide; uniformly mixing functional styrene-butadiene emulsion, modified cellulose, modified silicon dioxide, a color developing agent, a lubricating agent, a sensitizer and colorless pigment to prepare a thermosensitive coating; and uniformly coating the surface of thermosensitive base paper with the thermosensitive coating by using a coating machine, and drying to obtain the environment-friendly phenol-free thermosensitive paper label material. The environment-friendly phenol-free thermo-sensitive paper label material prepared by the invention has excellent wear resistance, antibacterial property, light resistance and flame retardance.