34results about How to "Wrinkle free" patented technology

The present invention discloses a flexible rolling device suitable for a square-shell lithium battery coating machine. The flexible rolling device of the square-shell lithium battery coating machine of the present invention has concave-shaped covers at both ends of the roller, a layer of elastic lining is wrapped on the surface of the rigid roller, the lining is flush with the concave-shaped cover, a layer of modified nylon mesh is stretched between the covers at both ends, and a layer of silicone foam layer is coated on the outer layer of the nylon mesh. Through the structural form of the flexible roller itself, the battery shell and the flexible roller are closely fitted, and the force is evenly applied, so that the flexible silicone foam layer can be closely fitted on the coated battery, fully squeezing the blue film and the battery aluminum shell, and the gas between the two is rolled out, and finally the battery coating is free of bubbles and wrinkles.

The invention discloses a preparation method of graphene composite high-entropy nitride ceramic. The preparation method comprises the steps of dispersing graphene, synthesizing high-entropy powder, mixing the graphene, sintering the ceramic and the like. Graphene is dispersed in a solution formed by PVP and absolute ethyl alcohol through a strong stirring method, efficient dispersion of graphene is achieved, and finally the composite ceramic with uniform components is obtained. Energy can be effectively dissipated by an intrinsic toughening mode (namely sliding and bending of the graphene and wrapping of crystal grains) introduced by the graphene and a non-intrinsic toughening mode (pulling-out of the graphene and crack deflection, bridging and forking caused by the graphene), and the fracture toughness and bending strength of the ceramic are improved. When the addition amount of the graphene is 2.5 wt.%, the Vickers hardness, the fracture toughness and the bending strength of the composite ceramic respectively reach 18.36 GPa, 383 MPa and 4.78 MPa.m < 1 / 2 >, and the fracture toughness is improved by 63.1%.

Provided is a polyvinyl alcohol-based water-soluble film which has excellent followability to a mold during molding and which can be molded into a package having an excellent appearance. The water-soluble film is characterized in that the water-soluble film contains a polyvinyl alcohol-based resin (A), and the initial elastic modulus obtained by a tensile creep test using a dynamic viscoelasticity measurement device is 2.5-10 MPa.

This invention belongs to the field of semiconductor materials technology and discloses a method for preparing transferable layered bismuth oxide selenide semiconductor thin films by heterolayer interface control. The method includes: 1) activating and growing a substrate; 2) depositing an interface-controlled heterolayer, which is a two-dimensional material or a water-soluble oxide; 3) CVD growing a Bi₂O₂Se thin film on the heterolayer; and 4) using a polymer support film to assist wet peeling, separating the film from the substrate and transferring it to a target substrate. This invention solves the problem of non-destructive transfer due to excessively strong adhesion between the film and substrate by introducing a heterolayer with weak interfacial interactions, and is applicable to fields such as flexible electronics and silicon-based integration.

This application discloses a foreign fiber removal device for cotton web, relating to the field of textile machinery and equipment. It includes a frame and a feeding conveyor belt, a foreign fiber detection component, and a spray valve assembly mounted on the frame. An impurity collection channel is fixedly provided at the feeding end of the feeding conveyor belt. The impurity collection channel has an upper opening as its inlet and a lower opening as its outlet, with the inlet plane located below the conveying surface of the feeding conveyor belt. The foreign fiber detection component and the spray valve assembly are located above the feeding conveyor belt and the impurity collection channel, with the detection end of the foreign fiber detection component and the ejection end of the spray valve assembly both facing the inlet of the impurity collection channel. This device can perform online foreign fiber detection and positioning on the cotton web output from the carding machine, and spray airflow to accurately eject foreign fibers. Combined with the fan and impurity collection channel, it quickly guides foreign fibers away from the production line, thereby effectively removing foreign fiber impurities from the cotton web and achieving online removal of foreign fibers from the cotton web.

This invention relates to the field of lithium-ion battery manufacturing technology, specifically providing a full-tab battery cell for large cylindrical batteries, its preparation method, and applications. This invention innovatively employs a "winding-fixing-laser axial cutting-graded flattening" process flow, changing the traditional "cut-then-winding" process long used in the industry, achieving a breakthrough in the precision of tab forming. Specifically, after the bare cell is wound, the blank areas of each current collector layer have formed a stable stacked structure, which is precisely fixed using a special fixture and simultaneously cut along the axial direction by laser, completing the high-precision forming of multiple tabs in one step. This method fundamentally eliminates the problem of accumulated deviations caused by step-by-step operations in traditional winding processes, stably controlling the tab alignment accuracy within 0.1mm, effectively solving the long-standing problem of alignment consistency in existing technologies.

The utility model discloses full-automatic straight paper cup processing equipment which comprises a bottom plate, a plurality of rollers are rotatably connected to the inner surface of the bottom plate, a paper conveying belt is rotatably connected to the outer walls of the rollers, a supporting frame is fixedly connected to the upper surface of the bottom plate, a hydraulic rod is fixedly connected to the lower surface of the supporting frame, and a lifting frame is fixedly connected to the lower end of the hydraulic rod. A cover shell is fixedly connected to the lower surface of the lifting frame, two sliding grooves are formed in the cover shell, sliding blocks are connected to the inner surfaces of the two sliding grooves in a sliding mode, through the components, the edge of paper can be flattened, the paper can be wound and attached to be made into the paper cup subsequently, the flat edge can guarantee that all parts of the paper cup are attached tightly in the forming process, and the paper cup forming quality is improved. The paper cup is simple in structure and free of wrinkles and gaps, so that the overall quality of the paper cup is improved, and the situation that paper scraps are clamped between the edges of the paper when the paper is wound and attached, and the paper cannot be completely and tightly attached together can be prevented.

The invention discloses an oversized raw material discharging device and die cutting production equipment applying the oversized raw material discharging device, the die cutting production equipment comprises the oversized raw material discharging device, the die cutting equipment and a material collecting roller set which are arranged in sequence, a material roller and a guide roller are rotationally installed in a rack of the oversized raw material discharging device, a press-fit die is installed in the die cutting equipment, and the material collecting roller set is connected with the oversized raw material discharging device. The press-fit die comprises a press-fit plate and a bearing plate, and the press-fit plate and the bearing plate are installed in a working area of the die cutting equipment in an up-down alignment mode. According to the die-cutting production equipment, oversized materials are restrained through the customized storage table, the positions of the materials are accurately positioned, a stable die-cutting foundation is provided for subsequent procedures, smooth fitting of the materials can be guaranteed through the pressing die and the positioning opposite-fitting structure, meanwhile, the oversized materials are free of wrinkles, bubbles and other defects after fitting, and smooth production is guaranteed.

The utility model discloses an unwinding control system for composite spunlace cloth production, which relates to the technical field of spunlace non-woven fabric production equipment and comprises a controller, an unwinding platform, a drawing machine, a first web outlet curtain, a long conveying curtain, an inclined curtain, a second web outlet curtain, a web conveying curtain, a spunlace machine, an unwinding machine and a carding machine. A tension roller, a cloth guide roller I, a cloth guide roller II and a cloth guide roller III are arranged between the unreeling machine and the carding machine, a tension sensor is arranged on the tension roller, a drafting roller set is arranged above the inclined curtain, a pressing roller is arranged behind the second web outlet curtain, and the controller is in control connection with the infrared sensor, the tension sensor and the motor. And the tension roller, the cloth guide roller I, the cloth guide roller II, the cloth guide roller III, the pressing roller and a driving mechanism of the spunlace machine are respectively in control connection with the tension roller, the cloth guide roller I, the cloth guide roller II, the cloth guide roller III, the pressing roller and the spunlace machine, so that the problems that in the prior art, when composite spunlace cloth is produced, a coiled material is prone to wrinkling, breaking and stacking, the coiled material and a cotton web are instable during compositing, and the product quality is affected are solved.

The utility model relates to the technical field of battery manufacturing, in particular to a dry-method electrode rolling film-forming production line. The dry electrode rolling film forming production line comprises an extension mechanism, the extension mechanism comprises a driving roller and a plurality of extension rollers matched with the driving roller, the driving roller and the extension rollers are oppositely arranged, the driving roller and the extension rollers are arranged in parallel, and the total length of the extension rollers is smaller than that of the driving roller, the extension rollers and the driving roller which are used for extending a non-coating area of a material belt. Due to the fact that the material belt firstly passes through the extension mechanism to enable the non-coating area to be stretched, and then the coating area is calendered, the non-coating area is calendered and stressed in advance to release stress in advance, when the coating area of the material belt is calendered, the reverse acting force borne by the non-coating area is reduced, and then the flat material belt is obtained. And the non-coating area of the pole piece does not wrinkle after being stretched.

The application discloses a 46120 type cylindrical battery shell drawing process, which comprises the following steps: drawing a blank with a diameter of 145mm-150mm and a thickness of 0.6mm±0.06mm, the drawing coefficient ranges from 0.54 to 0.56, the first concave die entering mode radius ranges from 7mm to 10mm, the first convex die radius ranges from 7mm to 10mm, the edge pressing mode is flat edge pressing, the edge pressing force ranges from 2.5T to 3.0T, and a hollow cylindrical first semi-finished product is formed after drawing. The 46120 type cylindrical battery shell drawing process can realize the forming of the cylindrical battery shell through four drawing processes, and greatly improves the drawing efficiency.

The invention discloses automatic packaging equipment for optical protective film production, and relates to the technical field of optical protective film packaging, and the automatic packaging equipment comprises an optical protective film limiting conveying module, a packaging module and an auxiliary overturning module; the optical protective film limiting conveying module comprises a base, a linear motion module is installed at the upper end of the base, a main drive turnover mechanism is installed above the output end of the linear motion module, and limiting assemblies are symmetrically installed on the left side and the right side of the main drive turnover mechanism. The auxiliary turnover module comprises a mounting frame, an auxiliary turnover mechanism and a control assembly are mounted on the mounting frame, and the control assembly is used for driving a turnover roller set on the auxiliary turnover mechanism to be attached to the side portion of the optical protective film roll. According to the automatic packaging equipment for optical protective film production, through limiting, main and auxiliary cooperative overturning and automatic winding packaging, high-precision, lossless, efficient and full-automatic packaging of optical film rolls of different specifications is achieved, slipping, eccentricity and wrinkles are effectively prevented, and the clean and flat packaging requirements of high-end optical materials are met.

The invention relates to an aviation sheet metal heat shield part forming die and a forming method, and belongs to the technical field of aviation manufacturing sheet metal forming. The invention discloses an aviation sheet metal heat shield part forming die and a forming method. The forming die comprises a drawing die and a hydraulic die. The drawing die is used for forming a semi-finished product part and comprises a female die, a male die, a blank holder, an ejector block, an upper die plate and a lower die plate, the female die and the ejector block are respectively connected with the upper die plate, the male die and the blank holder are respectively connected with the lower die plate, a part combination blank is arranged between the male die and the ejector block, and the blank holder tightly presses the part combination blank. The hydraulic die is used for forming a final part finished product and comprises a hydraulic female die, a hydraulic male die and a cover plate, during hydraulic forming, the cover plate presses the web face of a semi-finished part, the semi-finished part is completely attached to the hydraulic female die and the hydraulic male die, and the final part finished product is obtained after trimming. The invention has the following advantages: the production efficiency of parts is improved; the qualified rate of parts is high; and the production efficiency is obviously improved.

The utility model provides a gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity, and belongs to the technical field of sealing and cutting machines, the gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity comprises a sealing and cutting base, a pressing cover frame, an adjusting baffle assembly, a heating wire assembly and a cutter assembly, the press-fit cover frame is located over the sealing and cutting base, the sealing and cutting base and the press-fit cover frame are correspondingly arranged in the vertical direction, the short edge of one side of the press-fit cover frame is connected with the corresponding short edge of the sealing and cutting base through a hinge structure, and a rotating shaft of the hinge structure is parallel to the straight line where the short edge of the sealing and cutting base is located. The adjusting baffle assembly is installed in the sealing and cutting base, the heating wire assembly is arranged around the adjusting baffle assembly, the cutter assembly is installed at the corresponding position of the sealing and cutting base and the pressing cover frame, and the problems that heating elements in a traditional sealing and cutting machine are unreasonable in layout and uneven in stress are solved.

The utility model discloses an auxiliary use mechanism of self-adhesive conductive foam, which comprises a protection mechanism, a material ejecting assembly and a material pressing assembly, and is characterized in that the protection mechanism comprises an outer cover shell, a positioning shaft and a feeding plate, and the positioning shaft is arranged in the outer cover shell; the feeding plate is arranged on the outer cover shell; the material ejecting assembly is arranged on the outer cover shell and comprises an outer shell, a rotating shaft, an outer sleeve, a material ejecting plate and a positioning screw rod, and the outer shell is arranged on the outer cover shell; the rotating shaft is rotationally arranged in the outer shell; the outer sleeve sleeves the rotating shaft; the ejector plate is arranged on the outer sleeve; the positioning screw rod is arranged in the outer shell, and the rotating shaft is in threaded connection with the positioning screw rod; the material pressing assembly is arranged on the outer cover shell. Therefore, the conductive foam is laid without being held by hands, the base material is pushed to be flat in the laying process, and the quality of a formed part is guaranteed while the laying efficiency is improved.

The utility model discloses a double-motor slub yarn production device which comprises an unwinding operation rack, a gauze unwinding machine roller is installed on the unwinding operation rack, a yarn covering operation rack is installed on one side of the unwinding operation rack, a yarn covering operation machine roller is installed on the yarn covering operation rack, and a yarn covering machine roller is installed on the other side of the unwinding operation rack. A fixed conveying machine roller is installed on one side of the yarn covering operation machine roller, an adjusting conveying machine roller is installed on the other side of the yarn covering operation machine roller, the yarn covering operation machine frame is connected with a rotating support through a fixed shaft rod, and a fixed clamping groove is formed in the upper end of the rotating support. The two ends of the adjusting conveyor roller are connected with the fixing clamping grooves through fixing clamping shafts. According to the bunchy yarn covering machine, the unrolling operation rack and the yarn covering operation rack which are convenient to assemble are installed, automatic unrolling and yarn covering operation can be conveniently conducted on bunchy yarn, meanwhile, the adjusting conveyor roller capable of being rotationally adjusted is arranged and can be used for controlling the installation distance and angle between the adjusting conveyor roller and the yarn covering operation roller, and the production efficiency is improved. The yarn covering tension of the bunchy yarn can be conveniently adjusted and controlled.

This utility model discloses a quick-support device for flexible membrane bags used in sealed walls of tunnels, specifically relating to the field of fan blades. It includes a base frame, with two side frames fixedly connected to the inner side of the base frame. A central frame is fixedly connected to the left side of each of the two side frames. A T-shaped slider is slidably connected between the two side frames. A linkage belt is fixedly connected to the top of the central frame, with one end of the linkage belt away from the central frame fixedly connected to the T-shaped slider. A fixing rod is fixedly connected to the right side of the T-shaped slider. This utility model uses a hydraulic cylinder to drive a top support wheel to move up and down, which in turn drives the T-shaped slider to slide down via the linkage belt, thereby adjusting the height of the support frame. The angle of the support frame can be freely adjusted using the first, second, and third universal ball joints between the fixing rod and the lever arm. A cylinder drives a second fixing ring and a linkage rod to move, which in turn causes the support frame to open, thus preventing damage to the flexible membrane bag due to wrinkles.

The invention relates to the field of tissue packaging equipment, and discloses a soft tissue packaging machine with a synchronous upward-insertion film package keeping mechanism, which comprises a transfer assembly, a downward-insertion plate sealing assembly, a conveying power source in transmission connection with the transfer assembly, and a material accommodating space between an upper clamping part and a lower clamping part. The lower inserting plate is used for folding the side lower portion of the packaging film at the feeding station, the transferring assembly is provided with at least one end maintaining path between the feeding station and the sealing station, and the attaching plane of the lower inserting plate makes contact with the outer surface of the side lower portion of the packaging film and enables the lower inserting plate to be attached to the side portion of stacked materials all the time on the maintaining path. And the lower inserting plate is withdrawn out of the material accommodating space before reaching the sealing station or when reaching the sealing station. The lower inserting plate and the side lower portion of the packaging film are kept to be attached to the side portion of stacked materials during conveying, the side upper portion of the packaging film can be turned from a drooping state to a natural covering state under the gravity effect in the conveying process, and the problems of loosening and edge warping of the side lower portion of the film material are thoroughly solved.

This utility model relates to a road and bridge crack reinforcement structure, belonging to the technical field of road and bridge crack reinforcement structures. The road and bridge crack reinforcement structure includes: a base, carbon fiber cloth and guide components, a frame, a bidirectional threaded rod, a support frame, guide rollers, and pressure rollers. The guide rollers and pressure rollers rotate on the same horizontal plane. The bidirectional threaded rod can adjust the distance between the two support frames to accommodate reinforcement requirements of carbon fiber cloth of different widths. Guide rollers and pressure rollers are movably inserted into the two support frames to ensure the carbon fiber cloth remains flat during laying. The guide components are located on both sides of the support frames and are movable at both ends of the guide rollers to prevent the carbon fiber cloth from shifting during laying. The carbon fiber cloth is movably sleeved on the surface of the bidirectional threaded rod, with one side sliding along the surface of the guide rollers and pressure rollers. Through the compaction action of the pressure rollers, the carbon fiber cloth is tightly adhered to the crack surface, thereby effectively improving the load-bearing capacity and durability of the bridge structure.

The application provides a high-precision diaphragm precision stamping forming process method, which comprises the following steps: cutting to obtain a diaphragm blank; stamping and blanking and preforming a wave surface on the diaphragm blank; making the outer contour size of the preformed diaphragm and the R angle and wave height of the wave surface meet the preforming size requirements, and ensuring that the planes between the wave surfaces of the preformed diaphragm are wrinkle-free; performing wave surface correction on the preformed diaphragm, so that the R angle and wave height of the diaphragm wave surface meet the wave surface size and precision requirements of the diaphragm product; and processing the outer contour of the diaphragm after the wave surface correction, so that the outer contour of the diaphragm meets the outer contour size and precision requirements of the diaphragm product, and the diaphragm product is obtained. The application effectively solves the problems of poor wave surface forming precision and wrinkle generation of a high-precision diaphragm with a wave surface and a small deformation area when the stretching ratio is close to the limit, and improves the qualified rate and production efficiency of diaphragm forming.

The application relates to the field of battery production and manufacturing, and discloses a multi-section type rubbing and flattening device and method for full-tab batteries, which comprises a multi-section type positive and negative electrode rubbing and flattening mechanism and a battery cell clamping and conveying mechanism, the multi-section type positive and negative electrode rubbing and flattening mechanism comprises a positive electrode feeding assembly, a positive electrode rubbing and flattening assembly, a negative electrode feeding assembly and a negative electrode rubbing and flattening assembly; the positive electrode feeding assembly comprises a positive electrode feeding servo motor and a positive electrode rotating servo motor; the positive electrode rubbing and flattening assembly comprises a first-section battery cell positive electrode rubbing and flattening mechanism, a second-section positive electrode rubbing and flattening mechanism and a third-section positive electrode rubbing and flattening mechanism; and the battery cell clamping and conveying mechanism comprises a clamping jaw mechanical hand and an up-down moving servo motor. Through the multi-section type cooperative rubbing and flattening process, a single device can complete rubbing and flattening processing of 50 battery cells per minute, the efficiency is more than 10 times that of a traditional single device, the high productivity demand can be met without parallel connection of multiple devices, and the industry pain point of low traditional rubbing and flattening efficiency is completely solved.

The application discloses a kind of injection mold cloth hanging needle structure, including needle body, the rear section of the needle body is fixed section, the front section of the needle body is function section, the front section of the needle body protrudes from the mold face of injection mold, the function section is needle tip, single blade section and cylindrical section in turn from front to back, the single blade section is provided with single blade edge extending along the axial direction of the needle body.This application also discloses an injection mold with injection mold cloth hanging needle structure on the periphery of the cavity in the fixed mold, and an injection molding production line using such injection mold and freezer cooperation.This application can speed up the production rhythm, improve efficiency and ensure that cloth does not wrinkle.

The invention discloses a puncture-resistant dairy product packaging film and a production method thereof. The film comprises the following steps: subjecting a base film to ultrasonic treatment, and then subjecting the base film to plasma treatment, wherein during the ion treatment, the electrode distance is 3-4 cm, the oxygen flow rate is 0.5-1.5 mL / min, the vacuum degree is 12-15 Pa, the discharge time is 10-20 s, and the discharge voltage is 100-200 V, so as to obtain a pre-treated base film; adding nano cellulose to tetrahydrofuran and dispersing the film uniformly, and then adding styrene-butadiene-styrene block copolymer, dendritic polyamide-amine and nano graphene oxide and stirring the film uniformly to obtain a spraying liquid; spraying the spraying liquid on the outer side of the pre-treated base film in an ethanol vapor atmosphere, waiting for the tetrahydrofuran to completely volatilize to obtain a protective layer, and drying the film at room temperature; exhausting the air, subjecting the inner side of the pre-treated base film to corona treatment, heat treating the film at 100-130° C. for 5-10 min, and cooling the film to room temperature to obtain the puncture-resistant dairy product packaging film.

The utility model relates to a kind of anticorrosive pipe end pasting paper devices in anticorrosive steel pipe, belong to spiral submerged arc steel pipe anticorrosive spraying technical field, including inner side plate and outer side plate, inner side plate and outer side plate between rotation setting adhesive tape wheel and auxiliary wheel, adhesive tape wheel is used to install adhesive tape, auxiliary wheel is used to compact and stick adhesive tape on steel pipe inner wall;The height of outer side plate is greater than inner side plate, and outer side plate can be used to adhere with steel pipe end, positioning the device;The utility model is convenient and fast, improves pipe end pasting paper efficiency, and each steel pipe pasting paper operation only needs 3-4 seconds;The precision of using the utility model pasting paper is high, and stability is strong, can make adhesive tape paper evenly adhere on steel pipe inner wall, without wrinkle, not easy to fall off;The utility model is easy to disassemble and assemble, easy to manufacture, and low in cost;The utility model is suitable for steel pipe diameter range, and pipe diameter φ508-φ1626mm can be used.

The utility model provides a skin tightening auxiliary device, and belongs to the field of medical supplies. The leather tightening auxiliary device comprises an end head, a first supporting leg and a second supporting leg, the upper ends of the first support leg and the second support leg are respectively hinged with the end head; the lower ends of the first supporting leg and the second supporting leg are respectively connected with an expanding piece; and a locking piece is arranged on the end head. By means of the skin preparation device, the skin with a large area can be flattened in an auxiliary mode, a nurse can be helped to prepare the skin better and faster, work efficiency is improved, the skin can be kept flat and free of wrinkles, skin injuries are reduced, safety is improved, infection risks are reduced, occupational exposure of the nurse in the operation process is reduced, and the comfort level of a patient is improved.

Provided is a polyvinyl alcohol-based water-soluble film which has excellent followability to a mold during molding and which can be molded into a package having an excellent appearance. A water-soluble film containing a polyvinyl alcohol resin (A), a plasticizer (B), and a filler (C), the content of the plasticizer (B) being 3-22 parts by mass per 100 parts by mass of the polyvinyl alcohol resin (A), and the mass content ratio (B) / (C) of the plasticizer (B) and the filler (C) being 1.5-25.

The present invention relates to a winding and unwinding mechanism for calendering polytetrafluoroethylene composite materials, wherein the rolled raw materials are passed through a first unwinding roller, an unwinding deviation correction device, a second unwinding roller, an unwinding traction device, and enter a calender through an unwinding shaft on the same plane; after being calendered by a two-roll calender, they are wound through a winding and drawing device, a first winding roller, a trimming device, a winding and deviation correction device, a second winding roller, and a winding shaft. The technical effect is that the raw materials on both sides of the calender are horizontally fed in and out through tension control on both sides of the winding and unwinding and the height level of the inlet and outlet ends of the two-roll calender, and the bottom roller of the traction device is equipped with a spring device, which solves the problem of raw material accumulation at the inlet and outlet ends of the two-roll calender, and achieves the final calendering effect. The produced coils have good thickness uniformity and are free of wrinkles.

The utility model discloses a kind of double-sided vertical coating mechanisms, it is related to coating equipment field, to solve the problem of low efficiency, poor yield of existing coating mode. The mechanism includes rack, and fixedly installed with workstation on rack;The middle part fixedly installed with vertical support on workstation, and detachably installed with taut frame in vertical support, and installed with flexible material in taut frame;Left and right sides on workstation are fixedly installed with X-axis conveying mechanism, and Z-axis conveying mechanism is provided on X-axis conveying mechanism, and X-axis conveying mechanism drives Z-axis conveying mechanism to set close to or away from taut frame, and Z-axis conveying mechanism is provided with coating unit, and Z-axis conveying mechanism drives coating unit to move up and down, and two coating units are coated respectively on the surface of the both sides of flexible material;The utility model realizes the double-sided synchronous coating of flexible material, improves efficiency by more than 1 times, and coating yield is higher, and it is convenient to operate, and widely applicable, and can satisfy batch production demand.

The invention relates to the technical field of paper diapers, and discloses a paper diaper absorption core glue spraying and fixing mechanism which comprises a main body assembly and a glue spraying mechanism, and a first feeding roller and a second feeding roller are arranged below the glue spraying mechanism; the flattening assembly is arranged above the second feeding roller and comprises a rotating roller, the rotating roller is located above the second feeding roller, a supporting frame is arranged on the rotating roller, the rotating roller is rotationally connected with the interior of the supporting frame through a rotating shaft, a motor is fixed to one side of the supporting frame, and an output shaft of the motor is fixed to the rotating roller. The device has the beneficial effects that through the arrangement of the flattening assembly, in the conveying process of cloth, force stretching towards the two sides can be applied to the cloth, so that the cloth can be flat and free of wrinkles, glue can be evenly attached to the cloth, the cloth is positioned through the positioning assembly, the cloth is prevented from deviating, and the quality of the cloth is improved. And if the cloth is deviated, the deviation of the cloth can be corrected through the flattening assembly.

The utility model discloses a rolling conveying back-up roll for a film blowing machine and a special ABS (Acrylonitrile Butadiene Styrene) roller, which comprise a mounting shaft and fixing rings, and the fixing rings are respectively and fixedly arranged at two ends of the mounting shaft; the device is characterized in that the mounting shaft is sleeved with ABS rolling wheels which are evenly distributed, and a gap is formed between every two adjacent ABS rolling wheels; the ABS roller is composed of a center cylinder, an outer cylinder and a connecting plate, a center hole is formed in the middle of the center cylinder, the inner wall of the outer cylinder and the outer wall of the center cylinder are connected and fixed into a whole through the connecting plate, and the two ends of the center cylinder are 1-5 mm longer than the two ends of the outer cylinder respectively. The ABS roller device is installed on a herringbone plate, an edge inserting plate or a bubble stabilizer for use, the friction force of contact between the ABS roller and a film is reduced, the film is kept flat in the conveying process, wrinkles and scratches are avoided, and the quality of the film is improved.