362results about "Circular looms" patented technology

An apparatus, system, and method are disclosed for the manufacture of composite lattice structures comprising a weaving mechanism 104 configured to position fibers in a lattice structure, the weaving mechanism 104 comprising one or more bobbins 304, each one or more bobbin 304 configured to carry fiber and a plurality of horn gears 302 configured to move the one or more bobbins 304 across the face of the weaving mechanism 104 to control the position of the fiber carried by the one or more bobbins 304 in the lattice structure, and a shape retention structure 108 configured to hold the fibers in lattice structure. Beneficially, such an apparatus, system, and method would automate the process of manufacturing composite lattice structures and reduce the costs associated with the existing methods for manufacturing such structures.

Preforms for use in fiber-reinforced composites, fiber-reinforced composites, and methods for making thereof are disclosed. One method includes interweaving a plurality of warp yarns with a single weft yarn so as to form a tubular woven structure with a central axis. The preform can be woven using an endless or tubular weaving technique, and can be woven so as to have two or more diameters along a length thereof. The preform can include one or more layers of a fabric formed on or attached to one or both surfaces of the tubular woven structure. The end structure can be a part of a window frame, a wheel rim, or a combustor in a jet engine.

A method for fabricating multilayer fabrics having a prescribed integration pattern and an apparatus of implementing same. In one embodiment, the method include the steps of providing a plurality of winding yarn carriers arranged in a multilayer structure along a first direction and configured such that each winding yarn carrier is operably movable with respect to one another along a second direction that is perpendicular to the first direction, forming a plurality of crossover points of the winding yarns by moving at least one winding yarn carrier along the second direction according to the integration pattern, transporting the binder yarns through the plurality of winding yarn layers at predetermined locations along the first direction, and locking the binder yarns in place, pushing the binder yarns toward the fell of the multilayer fabrics, and taking up the formed multilayer fabrics.

A plastic circular loom has shuttle boat formed by shuttle body, shuttle base plate, shuttle boat guide and silk guide band. The shuttle is run along rolling rail formed by 30-288 pieces of drums in between top and bottom door coils and 60-576 pieces of tin pulleys on top and bottom door coils for realizing high speed runing of shuttle without shuttle wheel on rolling rail of top and bottom door coil.

The invention discloses a plastic woven bag circular weaving machine with an automatically adhered lining film; and the plastic woven bag circular weaving machine comprises a plastic woven bag circular weaving machine host, a bobbin cradle and a winding device. A spindle of the host is provided with a film-passing tube, one side of the host is provided with a film-laying rack, and a dual-layer plastic film on the film-laying rack penetrates in a bobbin cloth at the upper part of the host through a roller and the membrane-passing tube; the bobbin cradle is provided with a guide rail on which alining film adhering device and a traveling mechanism are arranged; the lining film adhering device is provided with an automatic air-supplying device which comprises a boost roller position detection switch and an inflating needle driven by a plugging mechanism; the host, the lining film adhering device and the traveling mechanism are all connected with a control system. The plastic woven bag circular weaving machine with automatically adhered lining film can continuously and automatically composite the plastic woven bag and the lining film, is small in volume, high in production efficiency,and is an update product of the existing apparatus.

The invention relates to a manufacturing device of polypropylene (PP) knitted bags, in particular to a tumbling-type double-six-small-shuttle plastic round loom without shuttle wheels. The main technical characteristics of the invention are that six shuttles without shuttle wheels are arranged at the upper and lower levels respectively between the upper door ring and the lower door ring on the basis of the prior sliding-rail plastic round loom without shuttle wheels. Meanwhile, 30-72 pillars are respectively distributed between the upper and lower door rings. Rails for movement are arranged in two layers for the upper shuttle and the lower shuttle. The PP knitted bags made by the upper shuttle are coiled up by the first coiling machine through the upper size ring, upper width widening machine and upper traction and likewise the bags made by the lower shuttle are coiled up by the second coiling machine through the lower size ring, lower width widening machine and lower traction. A plastic round loom can produce two bags simultaneously, the efficiency of which triples the traditional four-shuttle round loom and doubles the small six-shuttle round loom.

The invention relates to the field of production of woven bags, in particular to a production assembly line for woven bags. The production assembly line comprises a ribbonfil production device, a circular weaving device, a roll printing device, a cutting sewing device and a packaging device. Raw materials are heated, melted, extruded and formed into ribbonfil through the ribbonfil production device, the circular weaving device weaves the continuous cylindrical woven bags through the ribbonfil, the woven bags are printed with patterns and characters through the roll printing device, and the printed woven bags are cut off and sewn through the cutting sewing device, then discharged from the cutting sewing device and automatically packaged through the packaging device finally. The production assembly line for the woven bags has the advantages that the production assembly line for the woven bags can achieve production of the woven bags, the overall production efficiency and automation degree are high, the product quality is good, and the production assembly line is suitable for large-scale popularization.

The invention provides a high-speed plastic circular weaving machine. Shuttle bodies are ship-shaped shuttle bodies. More than two tapered location shuttle wheels are arranged on each of the upper portion and the lower portion of the inner side of each shuttle body; the tapered location shuttle wheels are tapered at such an angle that the tapered location shuttle wheels are in rolling contact with inclined steps on inner circumferential planes of upper and lower door rings; the back of each shuttle body is provided with an arc-shaped part. More than twenty-four roller shafts are arranged on the outer planes of the upper and lower door rings; each roller shaft is provided with more than two track rollers to form a roller set; more than one bearing is arranged in each roller; a roller sheath or protection pillar is arranged outside each roller and is a certain distance away from each roller; the vertical side of the outer circumference of each sheath is provided with a C-shaped opening to expose one side of the circumference of the corresponding roller; the more than twenty-four sets of rollers are uniformly distributed between the upper door ring and the lower door ring with a main shaft as the axis to form a rolling track; the rollers in each set move independently and are in rolling contact with the arc-shaped steel plates independently. Therefore, the operation is stable, the temperature rise is low, and the operation speed is increased so that the objective of high speed is achieved.

A high-speed circular loom for weaving plastic bags (or cloth) technically features that on the basis of original plastic circular loom structure, 30-432 roller units installed to upper ring and 30-432 roller units installed to lower ring constitute respectively the upper and the lower tracks, and the shuttle carries has two convex arc ribs matched with the rollers on the upper and the lower tracks, so eliminating the squeeze and shear forces of shuttle roller to thread and reaching high speed.

The invention relates to the technical field of heald frames, in particular to a heald frame of a circuit loom, which comprises an upper beam, a lower beam, grooves, a heald bar and a heald wire, wherein the upper and lower beams have the grooves and are fixedly connected by the heald bar; the heald wire is fixedly connected with the upper and lower beams through the grooves; a threaded hole is formed in the middle of the upper beam; the upper beam is fixedly connected with the heald bar through the screw in the threaded hole; the grooves are semispherical; slots are formed at the bottom of the grooves; and the heald wire has two thread holes. In the circular loom, the grooves and slots are formed on the upper and lower beams, so that the heald wire is in a tightened state constantly in operation, the wear of machine parts is relieved, noises are reduced, the service life of the heald frame is prolonged, and working environment is improved; meanwhile, the heald wire has the two thread holes for two yarns to pass through, so the working efficiency is improved and working time is saved.

The invention provides an energy-saving circular loom which has optimum structural design, increases motor rotational speed and reduces motor power, thereby reduces power consumption, which improves the shortcoming that the existing circular loom has large energy consumption, convenient maintain and the like. The invention mainly comprises a circular guideway, a shuttle guiding frame, a wallboard, a shuttle-race, a bearing support of the shuttle-race, a central seat, a main drive nylon large gear, a drive gear wheel, a beveled wheel, a button box, an electric motor and a large chassis, wherein the shuttle-race is fixed on the bearing seat of the shuttle-race, the lower end of the bearing seat of the shuttle-race is connected with the central seat, the central seat is fixed on the large chassis, the drive gear wheel is connected with the main drive nylon large gear, and the inner lateral of the circular guideway is provided with a line breaking alarm indicator light. The invention is characterized in that the electric motor is horizontally arranged and horizontally connected with a reversing decelerator through a shaft coupling, the drive gear wheel is sleeved on the vertical output end of the reversing decelerator and engaged with the main drive nylon large gear which is fixed on the lower end of the bearing seat of the shuttle-race, and both the electric motor and the reversing decelerator are mounted on the surface of the large chassis.

A method for measuring the use of weft thread (F) inserted in textile machines by means of weft feeders (P), especially electronic circular knitting machines (MC), which consists in using the output sensor (SU) of the weft feeder (P), by sending its pulses (SUP) to a functional logic block (CQT), which also receives synchronization signals (SYNC) generated by the textile machine (MC). The logic block (CQT) is programmed to calculate the quantity (Qt) of weft used between two successive synchronization signals (SYNC0-SYNC1) by taking into account the circumference (C) of the drum (TA) of the feeder (P), the number (N) of pulses (SUP) emitted by the output sensor (SU) of the feeder (P) between one synchronization signal and the next, and a time correction factor.

The invention discloses a three-shuttle circular weaving machine for a high pressure resistant large-caliber hose fabric. The three-shuttle circular weaving machine is characterized by comprising a machine body supporting device, a transmission device, a weaving device and a motor, wherein the transmission device and the weaving device are fixed on the machine body supporting device; the machine body supporting device comprises a rack, a large base plate, a central seat, seat rings, pressure ring sleeves and cylinder port seats; the large base plate is arranged on the rack; the central seat is arranged on the large base seat; the pressure ring sleeves are arranged on two sides of the upper end of the central seat; cylinder port seats are arranged on the pressure ring sleeve; and the seat rings are arranged on two sides of the cylinder port seats. The three-shuttle circular weaving machine has the advantages that the machine is high in reliability, simple in structure and convenient to maintain, more warp positions are provided, the weavable density is high, a large-caliber hose strip with a larger size can be produced, a traction device is fixed on the rack, the height of the central seats is shortened, the traction distance is increased effectively, the traction uniformity is kept, the machine height is controlled at the same time, the operation stability is improved, and the machine is easy to assemble and maintain and simple in structure.

The invention relates to a magnetic weft inserting method of a round braider. A group of magnets are respectively arranged at the front and the rear sides of a weft shuttle, namely, the contact part of a shuttle pushing device and a shuttle blocking rod, by utilizing the principle of homosexual repulsion, to keep a certain distance between the weft shuttle and the shuttle pushing device and between the weft shuttle and the shuttle blocking rod so as to prevent the direct contact, extrusion and abrasion of warp yarns, thereby being capable of widening the choosing scope of the yarn types of the round braider, improving the mechanical performance of a fabric and developing the application field of the fabric.

The invention relates to a reducing control mechanism of a loom, comprising a base, wherein the base is provided with a plurality of linear guide rail assemblies, the linear guide rail assemblies are uniformly distributed by taking an opening at the center of the base as the center of a circle; the end part of each linear guide rail assembly is provided with a size ring; the size rings penetrate through the opening at the center of the base to be combined into a closed region below the base; a disk grooved cam provided with the opening at the center is erected on each linear guide rail assembly; the disk grooved cams are respectively provided with line grooves which are in one-to-one correspondence with the linear guide rail assemblies; pin shafts of the linear guide rail assemblies are arranged in the line grooves and can slide along the line grooves; incomplete gears are arranged on the circumference of each disk grooved cam; rotation centers of the incomplete gears are coincided with the rotation centers of the disk grooved cams, and the incomplete gears are driven to rotate along axis of the disk grooved cams by virtue of a motor. By adopting the reducing control mechanism of the loom disclosed by the invention, dynamic control on the calibre of a fabric on a circular weaving machine can be realized.

The invention discloses a plastic circular weaving machine and belongs to the field of plastic weaving machines. The problem that rollers are inconvenient to change in the prior art is solved. According to the technical scheme for solving the problem, the plastic circular weaving machine mainly comprises a mainframe, wherein the mainframe comprises a door ring assembly and a shuttle, the door ring assembly comprises an upper door ring and a lower door ring, multiple rollers are arranged between the upper door ring and the lower door ring and are connected with the door ring assembly through axles, the rollers are distributed in the peripheral direction of the door ring assembly and form a rolling track for the shuttle to operate, the shuttle is provided with an upper limiting wheel and a lower limiting wheel, the lower surface of the upper door ring is provided with an upper track surface for the upper limiting wheel to roll, the upper surface of the lower door ring is provided with a lower track surface for the lower limiting wheel to roll, a supporting part for retaining the separation distance between the upper door ring and the lower door ring is arranged between the upper door ring and the lower door ring, and supporting parts are located on the outer sides of the rollers to protect the rollers in the radial direction of the door ring assembly. The plastic circular weaving machine is mainly used for weaving plastic woven bags.

The invention relates to a circular shuttle guide raceway device. The device is provided with guide wheels on track surfaces of upper and lower door rings; shuttle guide columns with gears are arranged between the upper and lower door rings; guide strips are arranged at the upper and lower sides of shuttles and capable of being moved in V-shaped grooves of the guide wheels; arched racks are arranged on the back of the shuttles and capable of being meshed with the gears on the shuttle guide columns; when the device is working, a shuttle guide motor drives synchronous belt wheels at lower end of the shuttle guide columns through synchronous teeth-shaped belts to enable the shuttle guide columns to be rotated; and the meshing action between the gears on the shuttle guide columns and the arched racks on the back of the shuttles drive the shuttles to move forward on the guide wheels. According to the circular shuttle guide raceway device, the power of the shuttles is provided by the shuttle guide columns, so that the whole machine needs no shuttle pusher component; the scraping between organzine and shuttle pushers is avoided; therefore, the requirements of the device on intensity and durability of organzine are lowered; and the circular shuttle guide raceway device is suitable for weaving various silk threads with different intensities or low durability and capable of guaranteeing quality of products.

In a cylindrical jacket woven into twill A, the direction of a twill line A formed by a warp 2 woven continuously over a weft 3 is substantially aligned with the direction of the central axis of the cylindrical jacket.

The invention relates to a spinning moulding device of a composite material stereo tubular structural component. A line distributing board, a yarn guiding plate and a pushing-shuttling device are arranged on a main rotating disc; the line distributing board is provided with a bottom groove, a top groove, a mounting boss and a mounting hole; an upper runway, a lower runway and reeding plates form a shuttle track; the lower runway is arranged at the main rotating disc; a shuttle is arranged in the shuttle track, and provided with a pushing-shuttling wheel which is contacted with the pushing-shuttling device; the reeding plates are vertically and uniformly arranged in the shuttle track; and a reeding groove is arranged between every two reeding plates. Wraps form a shuttle port under the action of the bottom groove and the top groove on the line distributing board; the shuttle and the wraps are interweaved from the shuttle port through completing the introduction of wefts and vertical yarns so as to acquire a tubular structure orthogonal weaving tissue. The invention can solve the problems of higher cost, slower production speed and worse production continuity of the traditional production method of stereo tubular fabrics.

The invention relates to a non-contact circular weaving machine directly driven through electromagnetism. The non-contact circular weaving machine comprises a chassis, a central column, a loop sleeve and a shuttle carrier. The shuttle carrier is connected with the central column through a bearing seat. A planar motor is arranged below the shuttle carrier. The planar motor is formed by a stator and a rotor. The stator is fixed with the loop sleeve through a mounting support. The rotor is fixed with the shuttle carrier through the bearing seat. The stator is provided with a plurality of wire slots, and a coil is arranged in the wire slots in an embedded mode. The rotor is made of pure iron or a permanent magnet. When the rotor coil is powered on, the rotor rotates under the action of electromagnetic force and drives the shuttle carrier to rotate around the central column. The stator is arranged above the rotor. The distance between the stator and the rotor is 1-5 millimeters. According to the non-contact circular weaving machine, the planar motor is adopted to directly drive the shuttle carrier to rotate, so moving parts are decreased. When the motor works, the stator arranged above the rotor acts on the shuttle carrier through the electromagnetic force, so that the gravity which the shuttle carrier acts on a bearing is decreased and even is completely balanced out. Consequently, the bearing rotates in a relatively suspending state, friction resistance is small, and energy consumption is reduced.