55 results about "Paper adhesive tape" patented technology

The invention discloses a forming method of a composite variable-cross-section guide pipe, and belongs to the technical field of composite manufacturing. The forming method comprises the steps that staggered rubber is laid on a soft mold tool, demolding cloth is pasted after curing forming, and a soft mold is obtained; paper adhesive tapes are pasted on an upper die and a lower die of a conduit forming tool, prepreg sheets are manufactured through scribing, flattening, opening shearing treatment and supplementing / cutting, and blanking drawings of different laying layer angles based on thickness changes are generated in combination with software; prepreg sheets are laid on the upper mold and the lower mold according to the drawing, and the soft mold is placed on a guide pipe forming tool to be assembled; and finally, curing, molding and demolding. By means of the forming method, precision errors caused by traditional blanking software can be reduced, so that the laying efficiency of the prepreg is improved, and the forming method is suitable for variable-section guide pipes, uniform-section guide pipes, cylindrical parts and the like.

The utility model is applicable to the technical field of decorative lines, and provides a bevel line structure connected by adhesive tapes, which comprises a strip-shaped line main body formed by bonding a facing layer and a substantial layer, and a bevel groove which is arranged along the length direction and has an included angle of 90 degrees is arranged at the bottom of the substantial layer of the line main body. The substantial layer is divided into transverse lines and vertical lines through the bevel grooves. According to the bevel line structure connected with the adhesive tape, the bevel groove is formed, when the bevel line structure is actually machined, firstly, milling machining is conducted on the substantial layer of the line body through a milling machine, the 90-degree triangular bevel groove is milled, and a vertical line and a transverse line are formed; the vertical line is bent and combined with the transverse line to form the bevel line, the cross sections of the vertical line and the transverse line are bonded through the adhesive and fixed through the paper adhesive tape, the whole machining operation of the bevel line can be completed, the efficiency is high, meanwhile, the working steps are reduced, and resources such as electric power are saved.

The utility model discloses a feeding adjusting mechanism for producing and processing tissue paper adhesive tapes, which comprises a rack, a conveying belt arranged on the rack and used for conveying workpieces, a driving roller arranged on the rack and used for supporting the conveying belt to rotate, and a first rotary driver arranged on the rack and used for driving the driving roller to rotate, the cleaning mechanism is arranged on the rack and used for cleaning workpieces on the conveying belt, the cleaning mechanism comprises a cleaning belt, a reverse rotating belt and a transmission mechanism, the reverse rotating belt is used for collecting and cleaning scraped dust on the cleaning belt, and the transmission mechanism is used for driving the cleaning belt and the reverse rotating belt to rotate; the feeding adjusting mechanism for production and processing of the tissue paper adhesive tape further comprises a limiting mechanism used for guiding the cleaned workpiece. By arranging the cleaning belt and the reverse rotating belt for collecting and cleaning the scraped dust on the cleaning belt, the dust is prevented from being accumulated and attached on the cleaning belt to influence the effect of cleaning impurities and dust on workpieces on the conveying belt.

The invention provides a starch-based adhesive for a paper adhesive tape as well as a preparation method and application of the starch-based adhesive, and relates to the technical field of adhesives. The starch-based adhesive for the paper adhesive tape comprises a main component and water, wherein the mass percentage of the main component is 5-10%; the main component is prepared from starch, polyvinyl alcohol and sodium carboxymethyl cellulose in a weight ratio of (25-75): (75-25): (3-7). The starch, the polyvinyl alcohol (PVA) and the carboxymethyl cellulose (CMC) form a blending system, and hydrogen bonds and chains among the three components are entangled to form a physical cross-linked network, so that the prepared starch-based adhesive simultaneously realizes dry-state dormancy (non-adhesion) and wet-state rapid activation (high initial adhesion).

Disclosed herein are methods and systems for distinguishing a target gas from other target gases, which involve a configuration of a light source (120) and paper tape (110) such that light (112) emitted from the light source (120) can reflect off the paper tape (110). A reflected portion (114) of the light (112) can be detected, as well as the humidity and optionally the temperature. The light (112) can emit in at least three wavelengths selected from red, green, blue, and ultra-violet wavelengths, and pattern recognition can be used to identify and / or distinguish the target gas from the group of target gases based on wavelength detection information and the one or more of the humidity and the temperature.

The utility model discloses a double-shaft adhesive tape rewinding machine which comprises a machine frame, openings are formed in the two sides of the back face of the machine frame, an unwinding shaft is arranged in the two openings jointly, a tensioning roller is arranged at the top of the machine frame, sliding ways are formed in the middles of the two side walls of the machine frame, winding shafts are arranged on the inner sides of the sliding ways, and the winding shafts are arranged on the inner sides of the sliding ways. And a baffle is arranged at the bottom of the inner side of the sliding way, a pneumatic clamping roller is arranged below the winding shaft, second air cylinders are installed in the middles of the inner walls of the two sides of the rack, two first air cylinders are installed at the bottom of the front face of the rack, and a semicircular cylinder is jointly arranged at the top ends of the two first air cylinders. By arranging a series of structures, a cut adhesive tape roll containing backing paper can be wound on the winding shaft again, the winding efficiency of the winding machine can be improved, the external force borne by the rewinding adhesive tape roll during discharging is reduced, and the probability that the adhesive tape roll deforms during discharging is reduced.

The utility model discloses a recycled paper wet kraft paper adhesive tape which comprises a wet kraft paper adhesive tape roll, a cutting assembly is installed outside the wet kraft paper adhesive tape roll, the cutting assembly comprises a clamping and limiting mechanism, and a cutting mechanism is rotationally arranged on the upper portion of the clamping and limiting mechanism. Through the arranged cutting assembly, when an adhesive tape roll needs to be unwound, the roller pushes the assembly to move around the adhesive tape roll, the cutting blade shovels out the adhesive tape head while moving, when the adhesive tape needs to be pulled apart, the cutting mechanism is rotated to change the orientation of the inclined plate, the cutting blade is attached to the surface of the adhesive tape roll, the torn position is positioned, and then the adhesive tape is directly torn. Use is convenient, and practicability is high; and the adhesive tape roll is clamped through the arranged clamping and limiting mechanism, so that the adhesive tape roll is convenient to install, can be repeatedly used and is high in practicability.

The invention discloses a piping method for a spring-supported pump, which comprises the following steps of: firstly, adjusting the axis, the center line and the levelness of a pump body of the spring-supported pump, centering a shaft of a coupler between a motor and the pump body of the spring-supported pump, and connecting a pipeline flange of an upper pipeline with a flange of a heat exchanger; a temporary blind plate gasket is installed between the pipeline flange and the pump body flange, water is injected into the concentric reducing pipe, protective argon is introduced into the upper pipeline, and a welding seam between the upper pipeline and the concentric reducing pipe is sealed through a paper adhesive tape; welding a welding seam between the upper pipeline and the concentric reducing pipe; after welding is completed, a bolt between a pipeline flange of the concentric reducing pipe and a pump body flange of the spring supporting type pump is loosened, water in the concentric reducing pipe is discharged, and the temporary blind plate gasket is taken down; the formal gasket between the pipeline flange of the concentric reducing pipe and the pump body flange of the spring supporting type pump is replaced, and the bolt is fastened. By means of the method for controlling welding deformation, the stress between equipment and the pipeline is reduced.

The utility model discloses a handheld water-based box sealing machine which comprises a main body frame and a water tank, the main body frame is provided with a containing groove matched with the water tank and a glue containing shaft used for installing a water paper adhesive tape roll, and the water tank is detachably installed in the containing groove. The main body frame is provided with a pinch roll set used for conveying a water paper adhesive tape and an adjusting part used for controlling the pinch roll set to rotate so as to achieve advancing or retreating of the water paper adhesive tape, the upper side of the discharging end of the pinch roll set is provided with a cutting knife, and the water tank is provided with a water coating part used for coating the surface of the water paper adhesive tape with water in the water tank. The handheld box sealing machine can achieve handheld box sealing of the water-soluble adhesive tape, the structure of the box sealing machine is simplified, the adhesive tape with different lengths can be selected for box sealing according to needs, meanwhile, the situation that the adhesive tape is wasted due to the fact that the adhesive tape loses viscidity is avoided, and the production cost is reduced.

The utility model provides a simple paving device for glue line masking paper, which is characterized in that a support frame is vertically arranged along the front-back direction, a compression roller is horizontally arranged along the left-right direction, is positioned behind the upper end of the support frame and is rotatably connected with the upper end of the support frame around the left-right direction, and a guide wheel is vertically arranged along the front-back direction. The rear part of the lower end of the support frame is rotatably connected with the middle part of the lower end of the support frame in the left-right direction; the rotating shaft is arranged in the left-right direction, the middle of the rotating shaft is located above the front portion of the guide wheel, penetrates through the supporting frame in the left-right direction and is rotatably arranged around the left-right direction relative to the supporting frame, and the left rotating disc and the right rotating disc are vertically arranged in the front-back direction, are arranged in a left-right spaced mode and are connected to the left end and the right end of the rotating shaft in a sleeving mode correspondingly; and two rolls of masking tape which are vertically arranged, are arranged in the front-back direction and are arranged at an interval in the left-right direction are respectively arranged on the base in a sleeving manner. According to the utility model, the glue line masking paper can be simply and conveniently paved, and the construction quality and the construction efficiency are improved.

The invention provides a light-weight nodular cast iron planet carrier evanescent mode production process. According to the method, an exothermic riser sleeve is installed on a model cluster through a riser support special for an evanescent mode. According to the method, a heat-conducting chilling block is arranged in a narrow area of a model cluster. The dead head support special for the evanescent mode comprises a dead head neck, a dead head supporting table is coaxially arranged on the dead head neck, an upper cover plate is coaxially arranged on the dead head supporting table, and the seam of the dead head supporting table and the seam of the upper cover plate are bonded in a circumferential winding mode through paper adhesive tape. The narrow area comprises a deep and narrow weight reduction groove. The method for avoiding iron infiltration in the narrow and small area by using the heat-conducting cold iron can solve the problems of damp caused by a coating procedure in the process of using an exothermic riser bush in the evanescent mode and bumping and falling in the transfer process.

1. The name of the design product: cutter (ruling paper). 2. The use of the design product: used for cutting ruling paper, adhesive tape, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses an insulation paper tape pasting and edge folding device and an edge folding method, and relates to the technical field of insulation paper tape pasting and edge folding devices. The invention relates to an insulation paper adhesive tape pasting and folding device, which comprises a base, and further comprises a plurality of profiling rollers and a plurality of roller parts which are arranged on the base, the edge folding plates are arranged above the two ends of the profiling roller and the two ends of the roller piece respectively; the profiling assemblies are arranged at the two ends of the edge folding plate, and when the insulating rubber tape passes through the upper portions of the profiling rollers and the roller pieces; in the edge folding process, the edge folding position is pressed to form the vertical reinforcing rib groove, so that the edge folding position is effectively prevented from being reset to a large extent, the edge-folded insulating rubber tape can be in better contact with the groove bottom, suspension and displacement are avoided, and the service life of the insulating rubber tape is prolonged. And a transverse reinforcing rib groove can be pressed above the insulated rubber tape through the second profiling rod, so that the edge-folded insulated rubber tape is further reset.

The utility model discloses a traditional Chinese medicine orthopedics department clinical medicine application bag, which belongs to the technical field of application bags and comprises a medicine cloth bag, a plurality of release paper adhesive tapes are fixedly connected to two sides of the outside of the medicine cloth bag, a rubber ring is adhered to one side of the outside of the medicine cloth bag, and double faced adhesive tapes are adhered to the outside of the medicine cloth bag and are positioned on two sides of the rubber ring. According to the utility model, firstly, the rubber ring is aligned to a position needing medicine application, and then the rubber ring is adhered to the skin by using the double-sided adhesive tape, or after the medicine cloth bag is wound by a circle, one side of the rubber ring is adhered to the outer part of the medicine cloth bag, so that the medicine cloth bag is adhered to the outer part of the medicine cloth bag, and the water-proof breathable film is adhered to the outer part of the medicine cloth bag. And then the release paper on the release paper adhesive tapes is taken down, and the release paper adhesive tapes are adhered in place, so that one person can operate conveniently, and when the liquid of the traditional Chinese medicine in the medicine cloth bag seeps out of the gauze, the rubber ring can block the liquid in the medicine cloth bag to prevent the liquid from seeping out.

1. The name of the design product: packaging box (paper adhesive tape). 2. The use of the design product: used as product outer packaging. 3. The design points of the design product: in the perspective view. 4. The picture or photo that best indicates the design points: the unfolded state diagram.

The application discloses a kind of high-performance high-fiber multilayer protection connection method.The method comprises the following steps: first, the fiber is coated with paper adhesive tape to form a first layer of protective structure;Second, the fiber is coated with heat shrink sleeve I for the second time to form a second layer of protective structure, and heated and shrunk with hot air gun;After that, the tension line on the weaving equipment is knotted in a ring at one end to form a ring buckle, the fiber passes through the ring buckle to realize the connection of the two, then the connection part is coated with heat shrink sleeve II, a third layer of protective structure is formed, and heated and shrunk with hot air gun to complete the connection of the fiber and the tension line and the all-round protection of the fiber.The multilayer protection connection method has universal applicability, without splitting the fiber, can realize the stable connection of single or multiple fibers and tension line, and can form comprehensive protection for the fiber and the connection part.

The utility model belongs to the technical field of textured paper adhesive tape processing equipment, and particularly relates to a pipe cutting machine for a textured paper adhesive tape mother roll, which comprises a machine body, a mounting seat fixed on the machine body, an inflatable shaft rotating in the mounting seat, a pipe pushing mechanism mounted on the machine body and comprising two supports and a motor, and a clamping seat fixed on the machine body, a motor is installed on the support, a lead screw is fixed to the output end of the motor through a coupler, a limiting plate is fixed between the support and the clamping base, sliding blocks are connected to the lead screw in a threaded mode, a push rod is fixed to one sliding block, the push rod is in sliding connection with the air expansion shaft, and a pipe cutter is fixed to the other sliding block. The lead screw drives the sliding block to slide along the limiting plate, so that cut paper tubes on the air expansion shaft can be pushed away when the push rod moves along the air expansion shaft, and the situation that the hands of an operator are easily injured after manual discharging and contact with a tube cutter is avoided.

1. The name of the design product: packaging box (paper tape 2). 2. The use of the design product: used as product packaging. 3. The design points of the design product: in the perspective view. 4. The picture or photo that best indicates the design points: the unfolded state diagram.

The invention discloses a synchronous winding and separating device for an adhesive tape containing release paper. The adhesive tape releasing wheel is rotationally mounted on the winding bracket; the release paper collecting wheel is rotationally mounted on the winding bracket; the driving gear set is arranged between the adhesive tape releasing wheel and the release paper collecting wheel and used for maintaining synchronous rotation of the adhesive tape releasing wheel and the release paper collecting wheel. The device can be integrated at the tail end of a mechanical arm, the release paper and adhesive tape separating and release paper collecting functions are integrated, in the winding process, the adhesive tape is pulled to be separated from the adhesive tape releasing wheel along with the winding action, and the adhesive tape releasing wheel drives the release paper collecting wheel to be tensioned and collect release paper through gear transmission; meanwhile, reverse tension of the release paper collecting wheel acts on a closed-loop tension control mechanism of the adhesive tape releasing wheel, and it is guaranteed that the adhesive tape is tightly wound on the surface of the workpiece with constant tension all the time.

The application discloses a liquid-cooled box forming method combining friction stir welding and vacuum electron beam welding. The method is as follows: firstly, milling the upper water channel side plate and the lower water channel side plate respectively, cleaning and loading the square plug, loading the cover plate into the water channel plate, adopting friction stir welding, then carrying out nondestructive testing and air tightness testing; then, carrying out numerical control finishing on the upper water channel side plate and the lower water channel side plate, taking out the square plug, sealing the connecting mortise and the cover plate hole with paper adhesive tape; then, cleaning all parts, assembling the parts of the box together by using the positioning combination detachable tooling, adopting vacuum electron beam welding to weld the liquid-cooled box body, then adopting handheld laser welding to assist welding, and then carrying out nondestructive testing and air tightness testing; finally, carrying out numerical control finishing on the liquid-cooled box, and carrying out electroplating surface treatment, air tightness testing and paint protection treatment. The application has the advantages of simple process, low production cost, strong implementability, high structural strength and high reliability.

The utility model discloses a high-temperature-resistant textured paper adhesive tape and relates to the technical field of textured paper adhesive tapes. The textured paper comprises a textured paper base layer, the textured paper base layer comprises a plurality of fixing sections and telescopic layers located between the fixing sections, telescopic grooves are formed in the two ends of each fixing section, grooves are formed in the bottoms of the telescopic grooves, second adhesive layers are arranged in the grooves, and the second adhesive layers are arranged between the fixing sections. The telescopic layer is located in the telescopic groove between every two adjacent fixed sections and fixed through the second adhesive layer, and the telescopic layer and the fixed sections are made of the same material; a first adhesive layer is adhered to the bottom of the masking paper base layer. According to the textured paper adhesive tape, the textured paper base layer is provided with an unfolded space, the problem that the textured paper base layer is bulged due to the influence of thermal expansion and cold contraction for a long time is avoided, the adhesion stability is improved, meanwhile, the middle telescopic layer is utilized to fill the telescopic groove, the smoothness of the textured paper adhesive tape is improved, and the influence of gaps on the use of the textured paper adhesive tape is reduced.

The utility model belongs to the technical field of textured paper adhesive tape processing, and particularly discloses a textured paper adhesive tape slitting device convenient to collect, which comprises an assembly plate and support plates, the support plates are respectively fixed in front of and behind the top end of the assembly plate, a screw rod is movably connected between the front and the rear of the upper part of each support plate, and a threaded sleeve is sleeved outside each screw rod; a blade is installed on the surface of the threaded sleeve, and adhesive tape paper is attached to the top of the blade. According to the masking tape slitting device convenient to collect, the blades are installed on the surfaces of the threaded sleeves, the threaded sleeves connected to the surfaces of the one-way lead screws in a sleeving mode are originally gathered together, the blades installed on the threaded sleeves can be rapidly moved backwards under the limitation of the transverse rod only by rotating a rod handle of the lead screws, the distances between the blades are kept equal, and the cutting efficiency is improved. The vertical rod is guided to slide along the transverse rod, so that the blade is prevented from being blocked during moving, and the problem that the cutting distance is inconvenient to adjust is solved.

The utility model discloses a low-noise and accurate driving mechanism for cutting a wet kraft paper adhesive tape, which relates to the technical field of packaging equipment and comprises a driving device and a lifting device. The driving device comprises a mounting frame, a brushless motor, a speed reduction output box body and a supporting bearing, the mounting frame is in threaded connection with the bottom of the box body, an output shaft of the brushless motor is connected with the speed reduction output box body, the speed reduction output box body is fixedly mounted on the side wall of the mounting frame, and the output end of the speed reduction output box body is eccentrically and fixedly connected with the round wheel; the inner ring of the supporting bearing is fixedly connected with the round wheel through a bolt; the driving mechanism further comprises a rotating piece, and the left end of the rotating piece is rotationally connected into the box body. According to the utility model, the brushless motor is adopted as a driving source, and the problems of impact noise generated by a traditional electromagnet in an electrifying and attracting process and unstable performance caused by voltage fluctuation are avoided through the stable rotating speed and the accurate control capability of the brushless motor; the upper guide wheel is in close contact with the lower guide wheel during working through the lifting assembly, and stable output of the adhesive tape is achieved through friction force.

The utility model discloses a tape reel device and a middle rubber winding machine, and the tape reel device comprises a rack, a tape releasing reel, an isolation belt recovery reel and a guide roller, the tape releasing disc and the isolation belt recycling disc are rotationally mounted on the rack and are used for placing an adhesive tape roll and recycling an isolation belt in the adhesive tape roll respectively; and the guide roller is arranged on the rack, is close to the tape releasing disc and is used for guiding the output direction of the adhesive tape roll. The utility model relates to the field of rubber pipe and cable manufacturing, the output operation of an adhesive tape roll is completed by arranging the tape releasing disc and the guide roller, and the isolation belt recovery disc is arranged, so that when an isolation belt is arranged in the adhesive tape roll, the isolation belt can be pre-wound on the isolation belt recovery disc, and the adhesive tape roll can be recovered. Therefore, the tape reel device not only can be suitable for the operation of an adhesive tape roll without release paper, but also can be suitable for the operation of an adhesive tape roll with release paper, so that the purpose of widening the application range is achieved.

This invention provides a kraft tape that allows cardboard boxes to be opened without the use of tools such as cutters, thereby improving the efficiency of the opening process. [Solution] A kraft tape 100 used for sealing cardboard boxes comprises a base material 110 made of kraft paper that is in the shape of a strip with perforations 112 formed in the center of the width direction along the longitudinal direction, and an adhesive layer 120 formed on the back surface of the base material with a water-soluble adhesive. With this form of kraft tape, the kraft tape can be easily torn along the perforations, so that cardboard boxes can be opened without using tools such as cutters, and the workability when opening can be improved.

The utility model discloses an eye identification sticker convenient to paste, which comprises a cover film, an identification patch and a substrate layer, and the identification patch is positioned between the cover film and the substrate layer; a rubber strip is connected to the surface of the identification application, and plastic strips are symmetrically connected to the bottom face of the base layer. A medical paper adhesive tape is attached to the surface of the identification application patch, and non-woven fabric is attached to the bottom face of the identification application patch. Characters are written through the medical paper glue on the identification application, the tai-ji-shaped identification application is pasted to the lower portions of the eyes and the face of a patient, observation of eyeballs by medical staff is not affected, contact with eyelashes of the patient is avoided, pain of the patient is reduced, contact with the hands of the medical staff is increased through the plastic strip and the rubber strip, and the safety of the medical staff is improved. The non-woven fabric is added, so that the contact area between the identification application and the skin can be reduced, liquid medicine for relieving eye fatigue can be sucked and then applied to the eyes of a patient, and the comfort level of the patient is increased.

The utility model discloses a slitting device for textured paper adhesive tape processing, and relates to the technical field of textured paper adhesive tape processing. The slitting device for textured paper adhesive tape processing comprises a workbench and a buffering assembly, the buffering assembly is arranged on the workbench and comprises a movable frame, two sets of auxiliary rollers and springs, the two sets of auxiliary rollers are rotationally installed in the movable frame and symmetrically distributed front and back, and the springs are fixedly installed at the bottom of the movable frame. Through the arrangement of the buffer assembly, the auxiliary roller is used for supporting the placing pipe, stable supporting is beneficial for ensuring that the position of the placing pipe is kept unchanged in the slitting process, the problem that adhesive tape cutting is inaccurate due to shaking or deviation of the placing pipe is solved, vibration and impact in the slitting process can be effectively absorbed, and the slitting quality of the adhesive tape is improved. The placing pipe is prevented from being damaged or abraded due to the violent mechanical action, the service life of equipment is prolonged, meanwhile, the placing pipe is prevented from sliding accidentally or losing stability suddenly in the machining process, and therefore the safety risk in the operation process is reduced.

The utility model belongs to the field of SMT material belt processing equipment, and particularly relates to an SMT material belt rubberizing mechanism. Comprising a base and a first rubberizing assembly arranged on the base, the first rubberizing assembly comprises a movable plate, and the movable plate is installed on the side face of the base; the adhesive tape wheel is arranged at the upper end of the movable plate and is used for mounting a masking tape roll; the rubber pressing wheel and the limiting block are arranged at the lower end of the movable plate, and the rubber pressing wheel and the limiting block are arranged close to each other; and the adhesive tape of a masking tape roll mounted on the adhesive tape wheel bypasses the adhesive tape winding wheel, then is arranged between the adhesive tape pressing wheel and the limiting block and extends to the lower part of the adhesive tape pressing wheel, and the adhesive tape of the masking tape roll is arranged between the adhesive tape pressing wheel and the limiting block after bypassing the adhesive tape winding wheel. According to the utility model, the adhesive tape and the material belt are pressed through the adhesive pressing wheel, the adhesive tape can be pulled out through the rolling adhesive pressing wheel when the adhesive pasting mechanism is moved, and the adhesive tape is stably and firmly pasted on the material belt, so that the SMT production efficiency is improved, and the SMT adhesive pasting mechanism has the advantages of high stability and high flexibility.

The utility model relates to the technical field of textured paper adhesive tape structures, in particular to an anti-ultraviolet textured paper adhesive tape which comprises an adhesive tape roller, a paper adhesive tape structure is wound on the outer side of the adhesive tape roller, the paper adhesive tape structure is of a hierarchical structure and comprises a textured paper body, fiber paper is arranged at the top end of the textured paper body, and the top end of the textured paper body is provided with an anti-ultraviolet layer. An anti-ultraviolet layer and a release layer are arranged at the top end of the fiber paper, an isolation impermeable layer is arranged at the bottom end of the masking paper body, and an adhesive layer is adhered to the bottom end of the isolation impermeable layer, compared with a method of directly adding an anti-ultraviolet raw material into a base material raw material, the production process can be effectively simplified, the production efficiency can be improved, and the production cost is also saved; meanwhile, the uvioresistant layer of the masking tape disclosed by the utility model can reflect most of incident ultraviolet rays to the greatest extent, so that the coating quantity of the ultraviolet reflecting coating and the ultraviolet absorbing coating is reduced to the greatest extent, and the production cost of the masking tape is reduced.

The utility model discloses an adjustable tensioning device for paster adhesive tape processing, and relates to the technical field of paster adhesive tape processing. The device comprises a moving assembly which comprises a first support, a first groove formed in the front end of the first support, and a connecting block inserted into a long groove; the rotating assembly is arranged in the moving assembly; the rotating assembly comprises a second support fixed to one side of the connecting block and a rotating roller rotationally connected to one side of the second support. And; the limiting assembly is arranged on the rotating assembly; the limiting assembly comprises a winding drum connected to the rotating roller in a sleeving mode, a limiting plate attached to the upper end of the outer wall of the winding drum, a second insertion plate fixed to one side of the lower surface of the limiting plate and a third support connected with the second insertion plate in an inserted mode. By arranging the rotating assembly and the limiting assembly, the problems that a tension degree adjusting device is inconvenient to process sticker adhesive tapes with different lengths, the adjustment tension degree is single, meanwhile, the sticker adhesive tapes are inconvenient to limit, and the sticker adhesive tapes are easy to fall off during stretching are solved.