208results about How to "Uniform tension" patented technology

The invention provides a composite material winding machine and a winding method, and belongs to the technical field of dry winding, the composite material winding machine comprises an underframe, a clamping mechanism mounted on the underframe, a walking trolley mounted on the underframe, and an angle control mechanism and a tension control mechanism mounted on the walking trolley; the winding angle of the composite material strip is strictly controlled through the angle control mechanism, the tension of the composite material strip is adjusted through the tension control mechanism, it is guaranteed that the tension and the wall thickness are uniform when the composite material strip is wound, and it is guaranteed that a product obtained after winding forming is stable in performance and attractive in appearance.

The invention discloses a small square bale double-bale-outlet picking and baling machine which comprises a machine frame, a conveying and feeding device, a driving device, a gear box, a compressing and cutting device, a baling chamber and a baling needle device, and the conveying and feeding device, the driving device, the gear box, the compressing and cutting device, the baling chamber and the baling needle device are arranged on the machine frame. A vertical moving cutter is further arranged in the middle of the rear end face of the compressing and cutting-off device, a vertical fixed cutter device and a bale separating plate located behind the vertical fixed cutter device are further arranged on the inner side of the bale pressing chamber, and when the compressing and cutting-off device is controlled to do reciprocating motion, the vertical moving cutter on the compressing and cutting-off device and the vertical fixed cutter device in the bale pressing chamber form a shearing effect. The device is used for horizontally and vertically cutting pasture or crop straw synchronously, and bundling and compressing the cut pasture or crop straw into square bundles. When forage grass or crop straw is harvested, the combined operation such as picking, conveying, feeding, compressing, bundle separating and bundling can be completed, two straw bundles can be output at a time, one large straw bundle can also be output, and the straw bundle density and the operation efficiency are improved.

The invention relates to wire and cable production and manufacturing automatic processing equipment and processing technology, and relates to the technical field of wires and cables.The wire and cable production and manufacturing automatic processing equipment comprises a fixing frame, a processing mechanism used for winding, pulling and twisting wires and a processing mechanism used for paying off and guiding single wires, and the processing mechanism comprises a paying off assembly and a guiding assembly; the processing mechanism comprises a winding assembly, a traction assembly and a twisting assembly; the winding assembly comprises a winding drum rotationally arranged on the fixing frame, a guide block movably arranged on the fixing frame, a rotating part used for driving the winding drum to rotate, a translation part used for driving the guide block to translate and a dismounting part used for dismounting the winding drum. When the multiple pay-off reels pay off wires at the same time, it can be guaranteed that the tightness of each single wire is kept consistent, the pay-off speeds of the pay-off reels are prevented from being different, and the phenomena of non-uniform pay-off, non-uniform stranded wire pitch and irregular stranded wire appearance caused by the fact that the lengths of the paid-off single wires are not consistent are prevented.

The invention discloses high-density ultra-thin electronic-grade glass fiber cloth, and relates to the technical field of glass fiber cloth preparation, the high-density ultra-thin electronic-grade glass fiber cloth is formed by weaving warp yarns and weft yarns with the monofilament diameter of 4.0 microns, the warp and weft density is 90-100 pieces / inch, an air jet loom is combined with an auxiliary air jet mechanism for plain weaving, and it is guaranteed that fibers are tightly arranged; the preparation method comprises the steps of low-speed warping, weaving, desizing, deep splitting, cleaning and surface treatment. During weaving, through low-tension control and low-pressure airflow assistance, the fabric structure is more compact and uniform; a three-step method is adopted to gradually eliminate most slurry, and the slurry is further removed through liquefaction desizing; splitting and cleaning adopt a water flow and air flow combined mode, so that fiber opening is ensured, and the slurry residue rate is reduced to the minimum; finally, the strength of the high-density ultrathin electronic-grade glass fiber cloth is improved through treatment of a silane coupling agent; and low-tension and extremely low-slurry-residue-rate weaving of the high-density ultrathin electronic-grade glass fiber cloth is realized.

The invention discloses a 24-channel optical fiber ring winding method which is characterized by comprising the following steps: S100, according to the length requirements of 24 groups of channel optical fibers, completing the fiber distribution work of 24 groups of optical fibers, and marking channel numbers; s200, feeding the optical fibers from the first channel to the twenty-fourth channel into optical fiber ring winding equipment, sequentially completing winding of the optical fibers from the first channel to the twenty-fourth channel according to a quadrupole symmetrical winding method, and measuring and ensuring length values; the working requirements are as follows: (1) after the optical fiber ring in each channel is wound in the winding process, two tail fibers are discharged along the fiber outlets in the side surfaces of the framework; and (2) three fiber outlets are uniformly distributed on the side surface of the skeleton in the circumferential direction, and tail fibers of eight channel optical fibers are discharged from each fiber outlet. According to the invention, a brand new 24-channel optical fiber ring winding method is designed, so that the problem of non-uniform discharge of channels of 24-channel optical fiber ring products is solved.

The utility model discloses a warp knitting machine yarn path tension control device which is installed on a yarn feeding path between a warp beam and a looping area and comprises a support, a first yarn guide rod, a first swing rod and a tension detection mechanism used for detecting yarn tension. The first yarn guide rod is in transmission connection with a servo motor, a plurality of first elastic connecting pieces are installed on the first yarn guide rod at intervals in the axial direction of the first yarn guide rod, the other ends of the first elastic connecting pieces are connected with the first swing rod, and the axial direction of the first swing rod is the same as the axial direction of the first yarn guide rod. Yarn sequentially bypasses the first swing rod and the first yarn guide rod to enter the looping area, the tension detection mechanism is located on a yarn feeding path between the first yarn guide rod and the looping area, and the tension detection mechanism and the servo motor are in communication connection with a controller. The structure is simple, yarn active compensation is achieved, and yarn tension is balanced.

The invention provides a tension adjusting method for silk-screen printing, which belongs to the technical field of tension adjustment and comprises the following steps: step 1, acquiring relevant parameters in a silk-screen printing process, and determining influence factors of tension in the silk-screen printing process; 2, the type and the structure of the printing machine are obtained, and a corresponding tension measuring instrument is determined according to the type and the structure; 3, the stretching state and position change of the silk screen are monitored in real time according to a tension measuring instrument, and abnormal tension is determined based on influence factors according to the stretching state and position change; and 4, abnormal parameters of the printing machine are determined according to the abnormal tension, and the tension of silk-screen printing is adjusted based on the printing task of the printed product and the ink type. The problems that due to the fact that obvious stretching and compression occur in the printing process of a silk-screen printing product, tension is not uniform, and meanwhile according to a traditional tension adjusting method, tension adjusting needs to be conducted frequently and printing conditions meeting a printing task need to be reset, and the image quality and precision of silk-screen printing are reduced are solved.

The invention relates to the technical field of skin traction, in particular to a skin traction device for surgical operation, which comprises two elastic plates, small blocks are fixedly connected to the front and rear ends of the two elastic plates, and a sliding seat is jointly arranged at one ends, far away from the elastic plates, of the two small blocks at the same end. Movable plates are fixedly connected to the ends, away from the elastic plates, of the sliding seats, pasting assemblies are arranged at the bottoms of the elastic plates, movable limiting assemblies are arranged on the left side and the right side between the two movable plates, and each movable limiting assembly comprises fixing cylinders fixedly connected to the left side and the right side of the end, close to each other, of the two movable plates. After the skin is pulled, due to the fact that the elastic plate is in a bent state, a cut edge is in a round state, a doctor can clearly see the depth, range and property of a wound, the doctor can conveniently conduct a debridement operation and a debridement resection operation better, and the effect of pulling the skin to open an incision is improved.

The utility model provides a stringing device for power construction, the stringing device comprises a rack, a feeding assembly and a traction assembly, the feeding assembly and the traction assembly are respectively located at two sides of the rack, the feeding assembly comprises a bearing seat, a rotating disc and a rotating part, and a cable disc is horizontally placed on the rotating disc; the rotating disc is connected with a bearing seat arranged on the bearing seat through a shaft rod, so that the rotating disc can rotate along the shaft rod, the rotating parts are evenly distributed on the rotating disc, and through cooperation of the rotating parts and the shaft rod, when a cable is pulled, the cable disc can rotate under the action of the rotating disc, so that the cable is pulled more stably. And a traction roller arranged on a transverse rod in a sleeving mode in the traction assembly is located on one side of the rotary disc, the traction roller is attached to the periphery of the cable, uniform tension can be provided for the cable, and stable paying-off of the cable disc is achieved through cooperation of the feeding assembly and the traction assembly.

The invention belongs to the technical field of marine towing cables, and provides a marine towing engine automatic cable combing device which comprises a support, the support comprises a bottom plate, and side plates are symmetrically arranged at the top of the bottom plate; the winding assembly is arranged between the two side plates, the winding assembly comprises two outer gear rings rotationally connected to the side plates, a cable roller is rotationally connected between the two outer gear rings, a connecting shaft is fixedly connected to the end of the cable roller, and a guide component is arranged between the two side plates; the cable shifting assembly is arranged on the bottom plate; a cable is guided through reciprocating movement of the cable shifting rod, so that the cable is wound, the cable is kept uniform and compact in the winding process, disordered winding of the cable is avoided, it is guaranteed that the cable is smoothly unwound next time, the cable is subjected to uniform pulling force during winding, the cable can be prevented from being subjected to too large pressure or pulling force, and the service life of the cable is prolonged. Therefore, the service life of the mooring rope is prolonged, mutual friction and extrusion of the mooring rope in the storage process can be reduced through uniform winding, and the integrity of the mooring rope is further protected.

The invention discloses a control method for eliminating staggered layers of the end face of an aluminum foil after annealing, which comprises the following steps: S1, slitting an aluminum foil roll to ensure that the coiling density of the aluminum foil roll is controlled at 2.45-2.55 kg / m; s2, the slit aluminum foil coil is put into a furnace to be subjected to oil removal annealing, and the cooling speed of an annealing cooling section is required to be smaller than or equal to 3 DEG C / h; and S3, the aluminum foil coil is taken out of the furnace and placed in a cooling area, the cooling area is covered with a heat preservation cover, the difference between the temperature of the aluminum foil coil and the environment temperature of the cooling area cover is smaller than or equal to 40 DEG C, and the cooling rate of the aluminum foil coil is smaller than or equal to 4 DEG C / h. According to the method, the internal and external temperature difference of the aluminum foil roll is smaller than or equal to 5 DEG C, the shrinkage speed difference of the aluminum foil roll during cooling is reduced, deformation stress concentration in the cooling shrinkage process is reduced, and therefore axial sliding between layers of the aluminum foil is reduced, and end face staggered layers of the aluminum foil roll are eliminated.

The invention discloses an expressway optical cable blowing laying construction method. The method comprises the steps of S1, construction preparation; s2, the ratio of the outer diameter of the optical cable to the inner diameter of the silicon core pipe ranges from 0.35 to 0.6; the suitable working environment temperature is 6-32 DEG C; s3, slowly opening a compressed air inlet ball valve, and controlling the traction force of an air seal piston on the optical cable by changing the opening size of the valve; s4, when the feeding distance of the optical cable is short, the opening degree of the air inlet of the valve is small, and then the opening degree is gradually increased until the air inlet is completely opened; and S5, after the optical cable reaches a preset point, namely, the air seal piston comes out of the pipe (the air pressure is sharply reduced at the moment), an observer at the pipe end timely prompts an operator of the cable blowing machine to shut down immediately and stop conveying the optical cable into the pipe, so that the air-blowing laying operation of a section of optical cable is completed. And S6, cable reversing operation, namely conveying the optical cable into the'optical cable reversing device ', so as to pour out the remaining optical cable on the original cable tray and find out the other end to prepare for blowing and conveying the optical cable in the reverse direction.

The invention relates to the technical field of take-up, in particular to a multi-station take-up machine which comprises an unwinding mechanism and a take-up mechanism for winding wires of the unwinding mechanism, the unwinding mechanism comprises an unwinding wheel and a plurality of transmission wheels, and one transmission wheel is an adjusting wheel; the take-up mechanism comprises a wire shifting assembly and a take-up assembly, the take-up assembly comprises a rotating disc, the rotating disc is provided with a plurality of take-up modules, each take-up module comprises a rotatable mounting disc, and the mounting disc is provided with a take-up wheel and a cutter located beside the take-up wheel; the mounting disc is provided with a wire pressing block for preventing the wire from bouncing off when the wire is cut off; after the take-up wheels nearly complete take-up, the rotating disc rotates by an angle of a station, at the moment, the wire is located between the two take-up wheels, the wire is pressed by the wire pressing block, the wire is cut off by the cutting knife, due to the effect of the wire pressing block, the wire cannot bounce off, the wire can be prevented from falling off from a new take-up wheel, it is guaranteed that every two adjacent take-up wheels can be connected, and the working efficiency is improved. And then the new take-up wheel rotates to wind and take up the wire, and the process is repeated.

The utility model belongs to the technical field of woven bag sling production lines, and relates to a ribbon loom system for woven bag slings. Comprising a coil mechanism, a wiring mechanism, a braid mechanism and a sling winding mechanism which are arranged at intervals in the first direction. The coil mechanism is connected with the input end of the braid mechanism through winding of the wiring mechanism. The output end of the ribbon mechanism is connected with the sling winding mechanism through a sling; the hanging belt winding mechanism comprises a belt pressing mechanism and a synchronous winding mechanism, and the belt pressing mechanism is located between the synchronous winding mechanism and the belt weaving mechanism; the coil mechanism, the wiring mechanism and the sling winding mechanism are sequentially arranged in the thread inlet and outlet direction of the braid mechanism and used for being matched with coil replacement, tension adjustment and gathering of weaving threads and synchronous winding of sling finished products so as to guarantee synchronous braid work of the braid mechanism on the multiple slings, it is guaranteed that the tension of the threads is stable and uniform in the weaving process, and the weaving efficiency is improved. And therefore, the stable ribbon weaving quality of the ribbon weaving machine is ensured.

The invention relates to a prefabricated bridge deck slab hoisting assembly, a hoisting tool and a using method, the prefabricated bridge deck slab hoisting assembly comprises four hoisting units, every two hoisting units form one group and are divided into two parallel groups, the two hoisting units of each group are oppositely arranged in parallel, and each hoisting unit comprises a fixed pulley block, a lower hoisting point steel wire rope and two lower hoisting point lifting lugs; the two lower lifting point lifting lugs are arranged at intervals, the fixed pulley blocks are installed on the lower lifting point lifting lugs, the two ends of the lower lifting point steel wire rope penetrate through the fixed pulley blocks at the positions of the two lower lifting point lifting lugs respectively, vertically extend downwards and are used for being connected with a prefabricated bridge deck slab to be lifted, and the lower lifting point steel wire rope between the two lower lifting point lifting lugs is parallel to the horizontal plane. Through the application, the stress of the prefabricated bridge deck slab to be hoisted in the hoisting process can be effectively dispersed, so that the tensile force borne by each pre-buried hoisting point is more uniform, and the cracking risk of the concrete prefabricated bridge deck slab in the hoisting process is effectively avoided.

The invention discloses a full-automatic PTEE film stretching and sintering machine and a stretching and sintering method, and relates to the technical field of PTEE film stretching and sintering machines, the full-automatic PTEE film stretching and sintering machine comprises a sintering and heating bin, conveying pieces, a film to be stretched, a first assembly, a second assembly and a third assembly, the conveying pieces are symmetrically arranged in an inner cavity of the sintering and heating bin, and the film to be stretched is located in the middle of the conveying pieces; the first assembly and the second assembly are located on the same vertical plane, and through the design of the stabilizing pipe and the pushing piece, solution conveying work can be completed when the first assembly and the second assembly work; the problem that whether the conveying device and the stretching device are not flush or not and consequently the thin film is stressed unevenly can be ingeniously monitored indirectly through movement of the push piece in the stabilizing pipe; the design of one group of parts with multiple functions obviously reduces the complex maintenance work and cost caused by the increase of the parts; the overall operation efficiency of the equipment is improved, and the production continuity is guaranteed.

The utility model discloses a silk winder with a variable tension device and a grid connection function. The silk winder comprises a silk placing frame, angle aluminum, the tension device, a network nozzle, a silk guide frame and a winding drum. The tension device comprises two different tensioners, and compared with a traditional single tension device, the tension device can better meet the use requirements of yarns with different thicknesses so as to enlarge the application range of the silk winder; in addition, the silk winder is provided with the interlaced nozzles, so that interlaced doubling can be directly carried out, the working procedure is simplified, and the yarns are better prevented from being damaged; the silk winder can complete procedures such as stranding, network doubling and silk winding at a time, tension is even, the whole production process period is shortened, and product quality is improved. The silk winder reasonably utilizes space, is simple in structure, gives full play to the utilization rate of equipment, solves the problems that a traditional silk winder cannot directly perform doubling and fine yarn forming is not good, and improves production efficiency.

The invention discloses a communication cable laying construction method and device for a complex terrain, and the method can provide a detailed terrain basis for the laying of a communication cable through obtaining the three-dimensional data of the complex terrain and building an accurate terrain model, thereby improving the accuracy of path planning, carrying out the path planning through employing a simulated annealing algorithm, and improving the construction efficiency. Various factors such as topographic relief, obstacle distribution and construction cost can be comprehensively considered, and an optimal cable laying path is generated, so that the construction efficiency is improved, application of a cable laying robot is self-adapted, the walking posture and the cable laying speed can be automatically adjusted in complex terrains, uniform tension of cables is ensured, and the cable laying quality is improved. Therefore, the safety risk in the construction process is reduced, various data and field images in the construction process are obtained in real time to the monitoring center, managers can know the construction condition in time, the construction safety is further improved, and the construction cost is reduced by optimizing path planning and reducing the cable length and unnecessary material consumption.

The utility model relates to tool dismounting technical field, concretely relates to a cam locking structure, including tool head and lock axle, eccentric wheel has on lock axle, the locking groove that tool head has is inserted for eccentric wheel, the maximum size of locking groove in the up and down direction is adapted with the outside diameter of eccentric wheel, the minimum size of locking groove in horizontal direction is greater than the rotating diameter of eccentric wheel, eccentric wheel has the unlocking position of pushing locking groove upside and the locking position of pushing locking groove downside to push out / tighten tool head, through setting locking groove in the connecting section of tool head, when lock axle rotates, tool head can move up and down along with the rotation of eccentric wheel, in the process that eccentric wheel rotates to locking position, eccentric wheel pushes down the second plane of locking groove to make tool head be pulled down, in the process that eccentric wheel rotates to unlocking position, eccentric wheel pushes up the first plane of locking groove to make tool head be pushed up, have realized the installation and dismounting of tool head, improved the operation convenience, can improve work efficiency.

The invention belongs to the technical field of fluid braking equipment, and particularly relates to a safety limiting device for a pull rope oil cylinder, which comprises a fixed frame, a sliding base and a hydraulic oil cylinder, the device further comprises a stable transmission mechanism. On one hand, in the stretching and retracting process of the hydraulic oil cylinder, the sliding base is driven to move in the mode that the fixed pulley pushes the transmission steel cable, and in the moving process, due to the fact that the fixed pulley and the transmission steel cable are symmetrically distributed on the upper side and the lower side of the hydraulic oil cylinder, tension of the transmission steel cable on a connecting piece is more balanced; on the other hand, due to the arrangement of the fixed pulley and the sliding base, under the condition that the stroke of the sliding base is fixed, the stroke of the hydraulic oil cylinder is halved, the requirement for the rigidity of the hydraulic oil cylinder is lowered, and the bending probability of the hydraulic oil cylinder is lowered; the stability of the hydraulic oil cylinder for driving the sliding base to move is further enhanced.

The utility model relates to the technical field of folding machine, disclose a kind of folding machine crease pressure compacting force adjustable device, including installation shell, the upper end of the inner wall of installation shell is provided with stretch mechanism, the stretch mechanism includes storage groove, the inner wall of the front end and rear end of storage groove is uniformly connected with the first electric telescopic link of fixed connection, the inner wall of the both sides of storage groove is slidably connected with multiple roller frame, the outer wall of roller frame front end is rotatably connected with the roller of force adjustment, the outer wall of the rear end of roller frame is fixedly connected with multiple guide rod. In the utility model, under the action of guiding slide block and guiding sliding groove sliding connection, first electric telescopic link can control the extrusion of force adjustment roller to material with the inspection of first pressure sensor under the control of preset pressure, so that the tension between material and pressure compacting roller is in preset state, so that material receives uniform, stable tension in folding process, avoid appearing local relaxation or problem of being too tight, so as to guarantee folding quality.

The invention relates to a screen tensioner (40) for tensioning a screen liner (20) of a screening machine (10), having a rod-shaped or segmented tensioning section (41) which has a fastening section (46) in the region of each of the two longitudinal ends thereof. According to the invention, the tensioning section (41) has a first tensioning projection (42) forming a first tensioning edge (42.1) in the region of a first tensioning end and a second tensioning projection (43) forming a second tensioning edge (43.1) on an opposite second tensioning end, the first tensioning edge (42.1) and the second tensioning edge (43.1) extending between the two fastening sections (46), the first tensioning edge (42.1) forms a first tensioning profile, the second tensioning edge (43.1) forms a second tensioning profile, and the first tensioning profile and the second tensioning profile have different geometries. In this manner, a method is provided for the user to easily tension different types of screen liners using one screen tensioner (40).

The invention relates to a hoisting mechanism for a special-shaped large-section steel box girder and an operation method of the hoisting mechanism, and effectively solves the problems that the special-shaped large-section steel box girder cannot be stably hoisted and kept horizontal conveniently by an existing steel box girder hoisting mechanism and cannot be stably hoisted and the hoisting firmness cannot be ensured. According to the technical scheme, the hoisting mechanism for the special-shaped large-section steel box girder is provided with a bevel gear transmission assembly, a driving assembly, an adjustable rotating rod mechanism and a secondary adjusting mechanism, the driving assembly drives the adjustable rotating rod mechanism to rotate through the bevel gear transmission assembly, and the height of main hoisting ropes on the two sides can be adjusted; therefore, the horizontal state of the special-shaped steel box girder can be preliminarily adjusted through the main lifting rope, then the lifting height of the corresponding auxiliary lifting rope is adjusted through the secondary adjusting mechanism, the horizontal state of the special-shaped steel box girder is adjusted more accurately, the special-shaped steel box girder can be kept in the horizontal state, stable lifting is facilitated, and the special-shaped steel box girder can accurately correspond to a mounting part; the hoisting progress is accelerated.

A retard-bonded prestressed steel bar comprises two fixing plates, two tensioning plates and a plurality of prestressed steel bars, the two fixing plates are arranged at the two ends of the prestressed steel bar respectively, and the two tensioning plates are arranged at the two ends of the prestressed steel bar respectively; a plurality of through holes are formed in each fixing plate and each tensioning plate, the end part of each prestressed steel bar is of a stud structure, and the stud structures respectively penetrate into the through holes of the fixing plates and the through holes of the tensioning plates; in conclusion, the prestressed steel bars are arranged between the fixing plates, force can be applied to all the prestressed steel bars at the same time by applying force to the tensioning plates, balance of tension is guaranteed, in addition, the prestressed steel bars can be effectively protected through the protective sleeves, the slow-bonding layers on the outer sides are prevented from being damaged, the use effect is good, and the service life of the prestressed steel bars is prolonged. By arranging the springs, concrete stones can be prevented from entering or approaching the prestressed steel bar to damage the protective layer, and large friction caused by direct contact is also avoided; the overall structural design is reasonable, the curing effect is good, toughness is high, and use is safe.

An integrated cable for a 200A direct current charging gun is characterized in that four circles of wires are coaxially and tightly arranged in an insulating jacket of the integrated cable, and the number of the four circles of wires is 12, 21, 15 and 4 in sequence from outside to inside; in terms of functions, the 12 wires in the first circle, the 21 wires in the second circle and one wire in the third circle are charging wires; the eight wires in the third circle are signal wires; the rest six leads in the third circle and the two leads in the fourth circle are auxiliary power lines; and the remaining two wires in the fourth circle are shielding wires. According to the integrated cable, on the premise that the charging power is guaranteed, the 12 wires of the first circle, the 21 wires of the second circle and one wire of the third circle serve as charging wires, the wire diameter of the integrated cable is reduced to 23 mm from 36-38 mm, the bending radius is reduced to 80 mm from 180 mm, the use experience feeling of a user is improved, and charging operation becomes easy. Under the same bearing, the cross-sectional area of the wire of the integrated cable is only 48 square millimeters, so that copper materials are greatly saved.

The invention relates to the technical field of composite material manufacturing, in particular to a continuous fiber reinforced thermoplastic composite material mold pressing feeding device which comprises a supporting frame, a plurality of rollers are rotationally connected into the supporting frame, and one end of each roller extends out of the supporting frame and is coaxially and fixedly connected with a chain wheel. A driving assembly for driving the rollers to rotate is arranged at one end of the supporting frame, and the chain wheels are in chain transmission with the driving assembly; a plurality of L-shaped transverse plates transversely arranged between every two adjacent rollers are arranged on the lower portion of the supporting frame, first motors are installed on the long edges of the L-shaped transverse plates, output shafts of the first motors are coaxially and fixedly connected with a plurality of eccentric wheels, and the ends, away from the first motors, of the output shafts are rotationally connected with the short edges of the L-shaped transverse plates; the sieve plates are located in the motion trail of the eccentric wheel. Vibration dust removal of the fiber material is synchronously completed in the feeding process, so that the fiber surface cleanliness and the resin impregnation uniformity are remarkably improved, and the mechanical property and the surface quality of the finished composite material are improved.

The invention discloses a metal wire inverted take-up machine, belongs to the technical field of metal wire take-up, and aims to solve the problems that existing take-up equipment is dispersed in function and insufficient in straightening, production needs to be interrupted during weighing, and unloading depends on manpower. The take-up machine comprises a pay-off rack, a traction device and a take-up translation device, the pay-off rack, the traction device and the take-up translation device are integrated, so that the whole-process integrated operation of pay-off, straightening, take-up, shearing, weighing and translation unloading is realized, high-precision take-up and weighing can be completed without interruption of production, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And the problems of scratching and loosening of the wire rod in the process transfer are effectively avoided.

The utility model provides production equipment for secondary processing of flame-retardant paper, which relates to the technical field of flame-retardant paper production and comprises a workbench, flame-retardant paper is placed on an unwinding mechanism and is pulled to sequentially pass through a solvent pool, a cleaning pool, a traction mechanism, a drying box and a winding mechanism, and meanwhile, an adjusting piece can be adjusted, so that the flame-retardant paper can be subjected to secondary processing. The positions of the unwinding mechanism and the winding mechanism are adjusted, it is ensured that the flame-retardant paper cannot be loosened or excessively tightened in the unwinding process, the flame-retardant paper is subjected to coating treatment through the solvent pool, the roll paper is cleaned through the cleaning pool, redundant substances are removed, the surface of the roll paper is cleaner and tidier, the drying box generates heat through heating, and the drying efficiency is improved. The moisture and residual solvent on the surface of the roll paper are quickly volatilized, so that the flame-retardant layer is cured on the surface of the roll paper, the dried flame-retardant paper is neatly wound on the winding mechanism, the tension of the flame-retardant paper in the winding process is ensured to be uniform by adjusting the adjusting piece, and the paper is prevented from wrinkling or loosening.

The utility model belongs to the field of winding devices, and particularly relates to an adjustable winding device which comprises a bottom plate. A first vertical plate is fixedly connected to the side wall of the top of the bottom plate; a second vertical plate is fixedly connected to the side wall of the top of the bottom plate; the first vertical plate and the second vertical plate are symmetrically arranged; by arranging a first electric push rod, a second electric push rod, a movable rod, a fixed seat, an adjusting plate, a fixed plate and a supporting rod, the diameter can be quickly adjusted to be proper according to the specification and winding requirements of polyester cotton yarns, the flexibility is beneficial for a production line to quickly adapt to production of the polyester cotton yarns of different batches or specifications, the overall production efficiency is improved, and the production cost is reduced. By arranging the supporting devices matched with different winding roller diameters, the winding rollers can be fixed from the inside, so that when polyester cotton yarns are wound by the winding rollers, a more stable rotating state can be kept, shaking or deviation caused by external factors is reduced, uniform tension and arrangement of the yarns in the winding process can be kept, and the winding quality of the polyester cotton yarns is improved. Therefore, the winding quality is improved.