36results about How to "Tied tightly" patented technology

The present invention is a device for assisting users in tying their shoelaces properly. The device will help users tie bow-type knots by securing the initial crossover knot in place while the complete bow-type knot is being tied. The device can be used by children learning how to tie shoelace knots or by any person who is having difficulty tying shoelaces.

The invention relates to the technical field of packaging equipment, in particular to a carton packaging machine. The carton packaging machine comprises a machine body. A first operating platform and a second operating platform are fixedly installed on the machine body, and a certain distance is reserved between the first operating platform and the second operating platform. Protection covers are arranged at the two sides of the second operating platform. The top ends of the protection covers are connected through a horizontal baffle. A driving device is installed at the rear end of the second operating platform. A pressing plate is installed above the top of the second operating platform. The driving device is controlled by a foot switch connected with the driving device. The pressing plate is driven by a pair of air cylinders installed at the bottom of the horizontal baffle. A conveying belt and a sliding chute connected with the conveying belt are arranged at the right side of the first operating platform. A positioning block is arranged at the side, close to the driving device, of the surface of the second operating platform. The carton packaging machine is easy and convenient to operate, and the effect that packaged cartons are tightly bundled without being loosened can be guaranteed; and the packaged cartons are moved and transported through the conveying belt and then are discharged through the sliding chute, the labor intensity can be effectively relieved, and working efficiency is improved.

The invention discloses an automatic reinforcing steel bar binding machine. The automatic reinforcing steel bar binding machine comprises a machine frame, a wire binding disc mechanism, a power mechanism, a wire conveying mechanism, a wire cutting mechanism, a jaw and guiding mechanism, a wire bending mechanism and a wire twisting mechanism, wherein the wire binding disc mechanism, the power mechanism, the wire conveying mechanism, the wire cutting mechanism, the jaw and guiding mechanism, the wire bending mechanism and the wire twisting mechanism are arranged on the machine frame; and the seven mechanisms are deployed reasonably, and on the one hand, operation such as wire conveying, wire cutting, wire bending and wire twisting can be achieved rapidly and continuously through one hand, the working efficiency is greatly improved, even untrained workers can easily and proficiently operate, labor cost is reduced, and one the other hand, binding is tight to achieve the effect of manual binding. In addition, the automatic reinforcing steel bar binding machine is small and exquisite, portable, flexible, low in cost, high in adaptability, free from charging, waterproof, adaptable to severe environment and easy to promote and popularize.

The machine includes frame, rising and falling transmission mechanism, winding gear and drive unit installed on the frame. Sliding supporter of the rising and falling transmission mechanism through nut on screw is installed between guide rails of frame, moving along rails to and fro. Bottom end of each screw is connected to output shaft of orthogonal reducer driven by drive unit. Movable bracket is connected between two sliding supporters. Tray of winding gear through nut on screw is installed on slide way of movable bracket. Driving gear on the tray through idle pulley drives winding gear. The invention possesses features of reasonable structure, small oscillation noise, and continuous stable seizing operation, even tight adhesive tape enwinding, labor saving and material saving.

A strap structure includes a main body, a hooking structure and a through structure. The main body has a first end and a second end opposite to the first end. The hooking structure is located at the first end and has flexibility. The through structure is located at the second end. At least one portion of the main body is adapted to pass through the through structure and is wound into an annulus for a hair bundle to pass therethrough. The main body between the hooking structure and the through structure is adapted to be wound around the hair bundle in a direction counter to a direction of wounding of the main body to form the annulus, and the hooking structure is adapted to be fixed on the hair bundle.

The invention discloses a method for preparing a latex-free woven carpet. The second coating layer is filament or spun yarn formed of hot-melt fibers, and the first coating layer is fiber long yarn formed of nylon 6 or nylon 66. Silk or spun yarn, the second covering layer accounts for 20%-50% of the total mass of the composite yarn, the first covering layer accounts for 10%-15% of the total mass of the composite yarn, and the rest is the core yarn. Pile weft. When hot-melt copolyamide fibers are used as bonding materials to produce adhesive-free carpets, and pile yarns made of nylon or wool fibers, when the hot-melt copolyamide fibers are heated above their melting point in the hot-pressing process, they melt, and the fibers The conformation of the macromolecular chain changes, and through the transition of the chain segment, the entire macromolecular chain slips and viscous flow occurs. After curing, the pile and weft yarn as well as the weft and warp yarn are effectively consolidated, which enhances the pull-out strength of the carpet pile and The shape retention and dimensional stability of the carpet, thereby omitting the back glue process in the carpet preparation process, makes the prepared carpet more environmentally friendly.

The invention discloses a parallel rotor structured hybrid-excited motor brushless electro-excitation rotor pole with an electro-excitation winding positioned on a rotor; the electro-excitation rotor pole is of nonsalient pole structure and is composed of a linear core pole and an end core pole positioned between a permanent magnet rotor and the linear core pole; the electro-excitation rotor pole is arranged coaxial to an exciter rotating armature and a permanent magnet rotor pole; a rotating rectifying power supply system of the electro-excitation winding combines a six-phase dual-Y-shift 30-DEG rotating armature winding and two three-phase rotating rectifying bridges, and direct current outputs of the two three-phase rotating rectifying bridges are connected in parallel; the brushless electro-excitation rotor pole makes full use of space between permanent magnets and an electro-excitation rotor in an existing parallel rotor structure, gap magnetic field adjusting capacity can be effectively enhanced, high-quality brushless power supply can be provided for the electro-excitation rotor, and the brushless electro-excitation rotor pole also has the function of fault redundant operation.

The invention discloses a preparation method of a machine-woven carpet without adhesive backing process. The second coating layer is filament or staple fiber yarn formed by hot-melt fibers, and the first coating layer is polyester fiber filament or staple yarn. Fiber yarn, the second covering layer accounts for 20%-50% of the total mass of the composite yarn, the first covering layer accounts for 10%-15% of the total mass of the composite yarn, and the rest is the core yarn to obtain the pile weft yarn . When hot-melt copolyester fibers are used as bonding materials to produce adhesive-free carpets, and pile yarns made of polyester fibers, when the hot-melt copolyester fibers are heated above their melting point in the hot-pressing process, they melt, and the fibers The conformation of the macromolecular chain changes, and through the transition of the chain segment, the entire macromolecular chain slips and viscous flow occurs. After curing, the pile and weft yarn as well as the weft and warp yarn are effectively consolidated, which enhances the pull-out strength of the pile and the carpet Excellent shape retention and dimensional stability, thereby omitting the back glue process in the carpet preparation process, making the prepared carpet more environmentally friendly.

The invention discloses a preparation method of a latex-free woven carpet. According to the preparation method, filament yarn formed by hot-melting fibers or staple fiber yarn is used as a second cladding layer, polyester fiber filament yarn or staple fiber yarn is used as a first cladding layer, the mass of the second cladding layer accounts for 20-50% of the total mass of composite yarn, the mass of the first cladding layer accounts for 10-15% of the total mass of the composite yarn, the balance is core yarn, and in this way, pile weft yarn is prepared. As the latex-free carpet is produced by using hot-melting copolymer fibers as a bonding material, and the pile yarn prepared from nylon fibers or wool is cooperatively used, the hot-melting copolymer fibers are molten when heated to the melting point of the hot-melting copolymer fibers or above in the hot-press process, the fiber macromolecular chain conformation is changed, through transition of chain segments, the whole macromolecular chain is glided and viscously flows, and after solidification, pile and weft yarn are effectively solidified, and the weft yarn and warp yarn are effectively solidified. Accordingly, the pulling-out force of the pile is enhanced, and the shape preserving performance and the size stability of the carpet are improved, so that the backing process in the carpet preparation process is omitted, and the carpet obtained by using the method is more environmentally friendly.

The invention discloses a preparation method of a latex-free woven carpet. A second wrapping layer is made of filaments or short fiber yarn formed by hot melt fiber, and a first wrapping layer is madeof polyester fiber filaments or short fiber yarn. Composite yarn comprises, by mass, 20-25% of second wrapping layer, 10-15% of first wrapping layer and the balance pile weft prepared from core yarn.When the latex-free carpet is produced from hot-melt copolyester fiber serving as an adhesive material and pile yarn prepared from nylon fiber or wool, the hot-melt copolyester fiber is melted when heated to be higher than the melting point in the hot pressing procedure, and a fiber macromolecular chain conformation changes; through transition of a chain segment, the whole macromolecular chain slides, viscous flow is generated, cured piles and the weft are effectively solidified, and the weft and warp are effectively solidified, so that the drawing strength of the piles and the shape preservation and size stability of the carpet are enhanced, then the gumming procedure in the carpet preparation process is omitted, and the prepared carpet is more environmentally friendly.

The invention discloses a method for preparing a woven carpet without a backing process. The second coating layer is hot-melt fiber filament or spun yarn, and the first coating layer is polypropylene fiber filament or spun yarn. , the second covering layer accounts for 20%-50% of the total mass of the composite yarn, the first covering layer accounts for 10%-15% of the total mass of the composite yarn, and the rest is the core yarn to obtain the pile weft yarn. When hot-melt ethylene-vinyl acetate copolymer fibers are used as bonding materials to produce adhesive-free carpets, and pile yarns made of polyester fibers, when the hot-melt ethylene-vinyl acetate copolymer fibers are heated to Melting occurs when the melting point is above the melting point, and the conformation of the fiber macromolecular chain changes. Through the transition of the chain segment, the entire macromolecular chain slips and viscous flow occurs. The pull-out strength of the head and the shape retention and dimensional stability of the carpet, thereby omitting the adhesive backing process in the carpet preparation process, makes the prepared carpet more environmentally friendly.

The invention discloses a cable binding tool and relates to the technical field of power transmission line construction. The present invention includes a strip-shaped plate body, a long hole is provided in the middle of the strip-shaped plate body, and handles are provided in the length direction of both ends of the strip-shaped plate body; column. The invention has the advantages of simple structure, convenient use, time-saving and labor-saving, and can quickly, accurately and closely bind the iron wire on the pull wire, which greatly improves the working efficiency of the pull wire binding and reduces the labor intensity; at the same time, it will not damage the galvanized wire of the pull wire layers and workers.

The invention particularly relates to a device for binding stirrups at the beam-column joint of a frame structure, and solves the problems that time and labor are wasted, the construction efficiency is low and the overall bearing capacity is affected when reinforcing steel bars of an existing frame structure are bound. Beam column stirrups are arranged on the outer edges of the frame column main reinforcements, plastic ribbons are connected to the staggered positions of the beam column stirrups and the frame column main reinforcements at the corners of the beam column stirrups, interval positioning reinforcements are arranged on the outer sides of the four corners of the beam column stirrups, and ribbon binding mechanisms are arranged on the inner sides of the four corners of the beam column stirrups. Each ribbon binding mechanism comprises a hollow square tube, a lifting plate is arranged in the hollow square tube, an occlusion mechanism is arranged on the lifting plate, a ribbon hole is formed in the front side wall of the hollow square tube, and heating plates are arranged on the left side and the right side of the ribbon hole. Rapid binding of the frame column main reinforcements and the beam column stirrups at the outer edges corresponding to the frame column main reinforcements is completed, the problems of shortage and binding missing of the beam column stirrups are solved, meanwhile, the construction efficiency is improved, and the overall bearing capacity of a frame structure is guaranteed.

The invention discloses a production method of a woven carpet with no gumming process. A second covering layer is made with hot-melt filaments or staple yarns; a first covering layer is made with polypropylene filaments or staple yarns; the second covering layer accounts for 20-50% of total mass of composite yarn; the first covering layer accounts for 10-15% of the total mass of the composite yarn; the balance is core yarns; pile wefts are therefore produced. During the production of a no-gum carpet with hot-melt ethylene-vinyl acetate copolymer fiber as an adhesive material, pile yarns are made in conjunction with cotton fiber and viscose fiber; the hot-melt ethylene-vinyl acetate copolymer fiber melts down when heated to above its melting point in a hot pressing step, and fiber macromolecular chain conformation varies; segmer transition allows the whole macromolecular chain to slide, a viscous flow occurs, piles, wefts and warps are effectively fixed after solidifying, pull-out strength of the piles is enhanced, and shape-maintaining property and dimensional stability are enhanced for the carpet; therefore, the gumming step in the carpet production process is omitted, so that thecarpet produced is more environmentally friendly.

A power line binding coil making machine is provided. A left bracket and a right bracket are installed below a support plate. A guiding tube is installed on the left side of the support plate and hasa guiding hole therein. A left guiding wheel and a right guiding wheel are mounted on the support plate through pin rolls, and can rotate on the support plate. The upper middle part of the support plate has an open slot. An adjustment block is provided with an adjustment slot and is welded behind the support plate to make the open slot correspond to the adjustment slot. A shaft rod passes throughthe center hole of a pressing wheel, the open slot, the adjustment slot. The tail end of the shaft rod is connected with a nut. An adjustment screw passes downwards through the middle hole on the upper part of the adjustment block. The external threads on the adjustment screw are in threaded connection with the internal threads on the shaft rod in the adjustment slot. A central shaft on the rear end of a winding cylinder is mounted on the right side of the support plate, and can rotate on the support plate. The cylinder of the winding cylinder has a gap. A binding wire is inserted from the left side of the guiding tube. The winding cylinder is rotated so that the binding wire is wound around the winding cylinder to form a binding coil.

A hair tie includes a linear elastic body; a loop member disposed at one end of the elastic body, and having an inner space for receiving a hair bundle, wherein a size of the inner space is variable with a volume of the hair bundle; and an engaging member disposed at another end of the elastic body for engaging with an object after the linear elastic body is wound around the hair bundle inside the inner space of the loop member for one or more turns.

The invention discloses a method for preparing a woven carpet without adhesive technology. The second coating layer is filament or staple fiber yarn formed by hot-melt fibers, and the first coating layer is polyester fiber filament or staple yarn. Fiber yarn, the second covering layer accounts for 20%-50% of the total mass of the composite yarn, the first covering layer accounts for 10%-15% of the total mass of the composite yarn, and the rest is the core yarn to obtain the pile weft yarn . When hot-melt copolyester fibers are used as adhesive materials to produce adhesive-free carpets, and pile yarns made of cotton fibers and viscose fibers, when the hot-melt copolyester fibers are heated above their melting point in the hot pressing process Melting occurs, and the conformation of the fiber macromolecular chain changes. Through the transition of the chain segment, the entire macromolecular chain slips and viscous flow occurs. The strength and the shape retention and dimensional stability of the carpet can be improved, thereby omitting the back glue process in the carpet preparation process, making the prepared carpet more environmentally friendly.

The invention discloses a fully automatic strapping machine for strip-shaped materials, which includes a frame, and the frame is provided with a wire winding mechanism, a clamping and shearing mechanism driving a slide table, and a wire twisting mechanism driving a sliding table; the clamping and shearing mechanism drives a sliding table A clamping and shearing mechanism for clamping and cutting the iron wire is installed on the top; a wire twisting mechanism for tightening the end of the iron wire after the wire is wound is installed on the driving slide table of the wire twisting mechanism. This equipment adopts two sets of servos, one controls the number of wire winding circles, and the other controls the number of twisting circles; the unique design of cutting and clamping wire integration can complete the cutting and clamping process at one time, driven by the guide rod cylinder; tightening The gear is responsible for twisting the thread through two guide thread slots, and is driven by the gear set mechanism, which has the characteristics of simple structure, high efficiency, tight binding and low failure rate.

The invention discloses a method for preparing a latex-free woven carpet. The second coating layer is hot-melt fiber filament or staple yarn, and the first coating layer is high-density polyethylene fiber filament or staple fiber. yarn, the second covering layer accounts for 20%-50% of the total mass of the composite yarn, the first covering layer accounts for 10%-15% of the total mass of the composite yarn, and the rest is the core yarn to obtain the hanging pile weft yarn. When using hot-melt ethylene-vinyl acetate copolymer fibers as bonding materials to produce adhesive-free carpets, and with pile yarns made of nylon fibers or wool, when hot-melt ethylene-vinyl acetate copolymer fibers are used in the heat-pressing process When it is heated above its melting point, it melts, and the conformation of the fiber macromolecular chain changes. Through the transition of the chain segment, the entire macromolecular chain slips and viscous flow occurs. The pull-out strength of the pile and the shape retention and dimensional stability of the carpet are improved, thereby omitting the adhesive backing process in the carpet preparation process, and making the prepared carpet more environmentally friendly.