24 results about "Air-jet loom" patented technology

The application discloses a kind of air-jet loom glass fiber direct yarn weft insertion methods, without pre-sizing, twist, ply or parallel twist glass fiber direct yarn is introduced air-jet loom through storage mechanism, prevent divergence component, tension adjusting mechanism, guide channel and main nozzle.The method divides into low impact pre-drawing section, flexible acceleration section, relay traction section, steady flight section, pre-deceleration section and slow-release positioning section in one weft insertion cycle;In pre-drawing section, initial traction air pressure is reduced and dynamic target tension is reduced, in acceleration section, gradually increase pressure and restore tension, in flight process, control front section, middle section and rear section auxiliary nozzle in turn relay traction, in deceleration and positioning stage, main nozzle is first reduced pressure, rear section auxiliary nozzle is delayed reduced pressure, and cooperate tension recovery and storage compensation.The method can reduce glass fiber direct yarn start impact, broken end and fuzz, stabilize weft insertion tension, improve weft positioning accuracy, and reduce pretreatment process and compressed air consumption.

The utility model relates to air -jet loom technical field, specifically is a kind of yarn gripper for polyester-viscose fabric air -jet loom, including support, the top of support is fixed with first hydraulic cylinder and second hydraulic cylinder, the bottom of piston rod of first hydraulic cylinder is fixed with clamping seat, the bottom of piston rod of second hydraulic cylinder is fixed with clamping plate, support is integrally formed with lug on the side of clamping plate, the side wall of clamping plate and lug is uniformly fixed with antiskid mat, recess is set up in the side of clamping seat away from support, clamping seat is equipped with clamping seat in recess, the both sides of clamping seat are equipped with limit bolt, the both sides of clamping seat are equipped with the screw hole compatible with limit bolt, the top of clamping seat is fixed with electric push rod, the bottom of piston rod of electric push rod is fixed with clamping plate;The piston rod of first hydraulic cylinder drives clamping seat to move vertically, pulls clamping seat and tightens two limit bolts, the distance between clamping seat and support can be adjusted, and then the position of clamping plate is adjusted according to needs.

The utility model discloses a kind of air-jet loom auxiliary nozzle groups of enhanced airflow, it is related to the technical field of auxiliary nozzle of air-jet loom.The utility model includes outer thread pipe, the outer thread pipe top is fixedly connected with air jet seat, the air jet seat top is fixedly connected with mounting seat, the mounting seat top is fixedly connected with connecting pipe, the first shrinkage cavity is arranged in the mounting seat inner chamber, the connecting pipe is fixedly connected with shrinkage tube with the end away from the mounting seat.The utility model is compressed air by outside through the first shrinkage cavity of mounting seat, completes first acceleration, then, through the second shrinkage cavity of shrinkage tube, realize the second acceleration of airflow, then, through transition pipe, complete third acceleration, finally, airflow is sprayed through the side of flat tube gradually shrinkage type small circle air outlet, because small circle air outlet length is less than the wall thickness of flat tube and aperture is reduced from inside to outside in flat tube, realize fourth acceleration, by compressed air four times acceleration, form high-speed airflow beam to drag weft yarn.

A method for removing a weft thread which has been introduced incorrectly on an air-jet weaving machine and a corresponding air-jet weaving machine are proposed, wherein a first drive device drives an opening mechanism and wherein a second drive device drives a sley (36) together with the guide bars (32). A control mechanism operates the first drive device and the second drive device such that they run synchronously with one another in a normal weaving operation. The method according to the invention comprises the following steps: detecting a weft thread which has been introduced incorrectly into the shed with at least one warp thread stop motion; cancelling the synchronization between the first and second drive devices by means of the control mechanism; operating the second drive device by means of the control mechanism such that the guide bars (32) assume a first swivel position which swivels away from the warp-weft thread interlacing point (66); operating the first drive device by means of the control mechanism such that the opening mechanism converts the shed into a first open position with a relatively small opening angle (a); removing the incorrectly introduced weft thread on the introduction side or the exit side; cutting off the incorrectly introduced weft thread on the introduction side; and removing the incorrectly introduced and cut-off weft thread.

The utility model relates to the field of air jet loom, disclose a kind of jeans air jet loom shedding mechanism, including air jet loom main body, upgrading assembly is installed in the air jet loom main body, cleaning assembly is installed in the air jet loom main body outside, the upgrading assembly includes protective shell, the protective shell outside fixedly connected in the air jet loom main body front side, ten conjugate cams are rotatably connected in the protective shell inside, ten rotor swing rods are rotatably connected in the protective shell inside, connecting rod is rotatably connected in the rotor swing rod top, lever is rotatably connected in the connecting rod rear side, push-pull rod is rotatably connected in the lever bottom. In the utility model, by being added two conjugate cams and rotor swing rod on original conjugate cam and rotor swing rod, form ten heald frames, realize the more complex variety that can weave, when needing to produce twill, satin or small jacquard fabric, increase the number of heald frame to realize the independent control of multiple warp yarns, effectively improve production efficiency.

This utility model discloses an auxiliary nozzle angle adjustment device with graduated indication for an air-jet loom, relating to the field of air-jet loom nozzle technology. The device includes a base, an adjustment assembly on the upper surface of the base, and a nozzle connection assembly on the top of the adjustment assembly. The adjustment assembly includes a cylinder fixedly mounted on the base, a rotating block rotatably connected inside the cylinder, a pressure ring threaded to the top of the cylinder, and a screw inserted into one side of the cylinder. One end of the screw is rotatably connected to a clamping plate via a bearing. This utility model, through its adjustment assembly, facilitates the adjustment of the vertical tube's rotation angle during use, allowing for subsequent adjustment of the nozzle's orientation angle according to actual usage conditions. This improves the ease of use and efficiency of the device.

This invention relates to the field of air-jet loom accessories, and in particular to a kinetic energy and temperature recovery device for air-jet looms. The device includes an air-jet loom body, a lateral air collection hood bolted to the outer wall of the loom body at the air outlet position, and a lateral air collection disc fixedly mounted at the air outlet position on the outer side of the lateral air collection hood. A power recovery impeller is movably mounted inside the lateral air collection disc. This invention's kinetic energy and temperature recovery device for air-jet looms uses the lateral air collection hood to rapidly guide the blown high-pressure air into the lateral air collection disc, thereby driving the power recovery impeller used to control the bottom-mounted generator. This significantly improves the kinetic energy recovery efficiency of the high-pressure air, making it more energy-efficient and environmentally friendly. A lateral heat recovery device is installed outside the lateral air collection disc to filter dust from the air, improving the air quality around the equipment and enhancing the working environment and respiratory health of operators.

Provided is a weft insertion method and a weft insertion device for an air jet loom. In an air jet loom provided with a weft insertion device, a first main nozzle for weft insertion is connected to a first valve device via a first pipe, and a second main nozzle as an auxiliary main nozzle is connected to a second valve device via a second pipe shorter than the first pipe. In the weft insertion device, each valve device is in an open state and compressed air is supplied to each main nozzle during a jet period from a jet start timing. In the air jet loom, damage to a weft yarn by residual pressure can be prevented, and disturbance of the weft yarn posture during weft insertion, which adversely affects weft insertion, can be suppressed. The invention is characterized in that, in the air jet loom, the action state of the second valve device is set to a state in which a flow rate lower than the flow rate during a stable state of the jet, i.e., a stable flow rate, is supplied, i.e., a low flow rate state, during an initial jet period set from the jet start timing.

In a method for inserting and returning a weft thread (5) in a weaving machine (1), the weft thread (5) to be inserted is stored intermediately on a drum (8), the weft thread (5) is fixed on the drum (8) during the intermediate storage by a fixing member (11) located at a fixing position, the weft thread (5) is released for weft insertion, the fixing member (11) is moved from the fixing position to a releasing position, and the weft thread (5) is unwound from the drum (8) in the unwinding direction while forming a yarn balloon and inserted. After the weft insertion, the weft thread (5) is pulled back by a return device (9). At this time, the weft thread (5) is captured and pulled back at a take-up position downstream of the fixing member (11) and in the area of ​​the yarn balloon. In a corresponding feeder (7) for a weaving machine (1), a return device (9) is arranged in the feeder (7) downstream of the fixed element (11) in the yarn path, the return device (9) having a driver for the weft thread (5), which driver captures the weft thread (5) at the take-off position. The corresponding weaving machine (1) has a weft thread insertion system (4) and such a feeder (7).

This utility model discloses an auxiliary nozzle for an air-jet loom with an anti-clogging structure, belonging to the technical field of auxiliary nozzles for air-jet looms. It includes a nozzle body with multiple first and second air holes on its outer circumferential wall, connected by an air pipe. A fixing frame is welded to the inner circumferential wall of the nozzle body, and a filter plate is positioned above the fixing frame. The outer circumferential wall of the filter plate blocks the first air holes. The filter plate is inverted conical in shape. An elastic component supporting the filter plate is provided between the fixing frame and the filter plate. This utility model, through the coordinated use of the first and second air holes, the air pipe, and the spring, allows gas to enter the air pipe through the first air holes when the filter plate is blocked, and then exit through the second air holes, passing over the filter plate for air intake, thereby ensuring the normal operation of the auxiliary nozzle and improving the stability of nozzle operation.

This utility model discloses a double-layer fabric weft insertion device, including a mounting plate. An air cylinder and a weft insertion nozzle are fixedly installed inside the mounting plate. A pushing component is provided on the surface of the mounting plate. A piston plate is provided inside the air cylinder, and a sealing ring is fixedly installed inside the piston plate. The sealing ring and the air cylinder are overlapped. A one-way opening and closing component is provided inside the air cylinder. An air inlet pipe is fixedly installed at the front end of the air cylinder. The piston plate drives the sealing ring to push the air in the air cylinder into the interior of the weft insertion nozzle through the air outlet pipe, thereby cleaning the interior of the weft insertion nozzle. Moreover, the pressure of the gas entering the weft insertion nozzle can be controlled by the opening sequence of the solenoid valve, thus avoiding the situation where the weft insertion nozzle is blocked and the weft insertion channel of the weft insertion nozzle cannot be smoothly fed, affecting the production of double-layer fabric. It also avoids the need for workers to manually stop the air-jet loom for cleaning, thus avoiding the impact on the production efficiency of double-layer fabric by stopping the machine to clean the weft insertion nozzle.

This invention discloses a beam-based warp breakage detection device and method for textile looms without stop pins, relating to the field of textile machinery technology. The device includes a beam emitting unit, a beam receiving unit, and a signal processing and control module. The beam emitting unit and the beam receiving unit are horizontally opposite each other on the side walls of the loom along its full width. The beam detection optical path formed by the two units is horizontally arranged along the left-right width direction of the loom, horizontally penetrating the warp opening section between the warp beam exit side and the back beam roller and heald frame entry side, completely covering all warp yarns within this section. The vertical height of the optical path is 50% ± 5% of the height of the warp opening section, and is flush with the center position of the warp opening. This invention breaks through the conventional approach of detecting warp breakage by "detecting the broken warp yarn itself." Through a pioneering horizontal optical path installation position, it captures the 3-12mm horizontal displacement signal of the normal warp yarn caused by warp yarn entanglement after a breakage, enabling ultra-early detection of warp breakage faults within 1-3 seconds. Simultaneously, it completely eliminates the traditional stop-warp structure, preventing warp yarn wear. Verified by a professional simulation system under full operating conditions, the detection accuracy is no less than 99.44%. This invention fills the industry gap where water-jet looms lack warp breakage detection devices and most air-jet looms lack reliable warp breakage detection solutions, significantly improving weaving production efficiency and fabric quality. It is compatible with all mainstream shuttleless looms and possesses strong industry promotion value.

The utility model relates to textile equipment technical field discloses a kind of air-jet loom yarn grippers, including base, bar plate, limiting component, control component, two support frames, two support buffer components, support guide component, linkage component and two clamps;The bar plate is rotatably installed at the top of base, the limiting component is set on base and is connected with bar plate, the control component is set on base and is connected with limiting component, two support frames are slidably installed at the top side of bar plate, two support buffer components are respectively set on corresponding support frame.The utility model has the following advantages and effects: structure design is reasonable, easy to operate, can effectively improve the stability and accuracy of air-jet loom yarn gripping, yarn guide direction can be adjusted quickly as needed, and yarn can be buffered and protected during clamping, to avoid yarn damage.

This utility model relates to the technical field of air-jet loom equipment, and discloses an automatic yarn changing device for an air-jet loom, including a feeding assembly. The feeding assembly includes a yarn box, a spring fixedly connected to the inner wall of the yarn box, a first slide rail fixedly connected to the inner wall of the yarn box, a second slide rail fixedly connected to the inner wall of the yarn box, a first support column inside the yarn box, a second support column inside the yarn box, a yarn loading opening on the outer wall of the yarn box, a spring seat fixedly connected to one end of the spring, a yarn bobbin holder fixedly connected to the outer wall of the spring seat, a first bearing fixedly connected to the outer wall of the yarn bobbin holder, a second bearing fixedly connected to the outer wall of the first support column, and a third bearing fixedly connected to the outer wall of the second support column. In this utility model, the spring is the main body, and the bearing is the yarn changing unit. When the remaining yarn is high, the top bearing holds the yarn bobbin; when the remaining yarn is insufficient, the spring releases potential energy, and the yarn bobbin pops out.

This utility model relates to the field of air-jet loom technology and discloses a guide roller replacement device for an air-jet loom. It includes an air-jet loom body, with a drive shaft installed on the inner wall of the loom body. One end of the drive shaft is fixedly connected to a mounting shaft, and one end of the mounting shaft is fixedly connected to a first flange. A second flange is movably installed on one end of the first flange. This utility model has the following advantages and effects: the width corresponds to the positioning shaft, fitting precisely into the gap between the second flange and the guide roller. After the positioning bracket supports the positioning shaft, the bolts are loosened, separating the first and second flanges. After removing the bolts at the other end, the lifting arm lowers to remove the guide roller, and the positioning shaft of the other guide roller is placed on the positioning bracket. The positioning bracket rises precisely, ensuring accurate alignment between the second and first flanges. No manual lifting of the guide roller is required when fixing the bolts, making replacement more labor-saving and convenient.

This utility model discloses a fixing component and its air-jet loom, including a first fixing plate and a connecting component disposed between the first and second fixing plates. The connecting component includes a connecting plate, a connecting housing, and a locking component. One end of the connecting plate is fixedly connected to the first fixing plate, the connecting housing is slidably sleeved on the outside of the connecting plate, and one end of the connecting housing is fixedly connected to the second fixing plate. The locking component is disposed on the connecting housing and is used to lock the connecting plate. This utility model utilizes the cooperative use of the first fixing plate, the second fixing plate, and the connecting component. The first and second fixing plates can be respectively bolted to the bracket of the weft yarn jetting system and the loom body. Under the action of the connecting component, the first and second fixing plates can be connected and fixed, thereby placing the bracket of the weft yarn jetting system and the loom body in a relatively fixed state.

The application discloses a kind of high-strength ultraviolet-resistant tent fabric and preparation method thereof, comprising the following steps: step one, after drying nylon 6 is mixed with nano reinforcing particles, then granulated by double screw extruder, obtain high concentration reinforcing masterbatch;Step two, nylon 6, high concentration reinforcing masterbatch, auxiliary agent are mixed evenly, then added into screw type melt spinning machine, after melt passes through filter screen, extruded to form melt stream by spinneret, cooled and solidified into sliver after high-speed stretching, obtain nylon filament;Step three, nylon filament is used as warp and weft, woven into grey cloth on air-jet loom, then the grey cloth is subjected to dyeing and finishing process, and the high-strength ultraviolet-resistant tent fabric is obtained. By adding specific nano reinforcing particles, setting specific spinning and weaving parameters and specifying the specification of nylon multifilament, not only the high physical strength of the fabric is realized, but also the ultraviolet resistance of the fabric is improved.

This utility model discloses a weft insertion device for an air-jet loom, comprising: a rocker arm and a camshaft. An adjustable first roller and a second roller are mounted on the rocker arm, and a first cam and a second cam are mounted on the camshaft. The first cam is tangentially positioned to the first roller, and the second roller is tangentially positioned to the second cam. By configuring the cam on the camshaft and the cam roller tangentially mounted to it, and adjusting the eccentricity of the cam roller, the cam roller and cam are made to make tangential contact, thereby eliminating the gap between the cam and the cam roller, increasing the conjugacy of the cam, and avoiding problems such as abnormal cam wear and excessive noise caused by improper cam assembly.

The utility model provides a kind of parallel yarn weft breakage self-stopping device and air-jet loom, belong to weaving machine technical field, including parallel yarn support, weft stop strip and multiple weft stop pieces;Parallel yarn support is fixedly installed in the weft accumulator yarn inlet end of air-jet loom, and multiple guide channels are distributed with interval on parallel yarn support, each guide channel is respectively used to pass through a weft and guide weft to pass into the yarn inlet hole of weft accumulator;Weft stop strip is fixedly connected to parallel yarn support, and it is located directly above each guide channel, and weft stop strip has positive and negative electrode electrically connected with the control circuit of air-jet loom;Multiple weft stop pieces are distributed with interval on weft stop strip, and each weft stop piece is respectively provided with threading hole suitable for each weft to pass through;Wherein, when any one weft breaks, corresponding weft stop piece triggers the positive and negative electrode conduction of weft stop strip based on self-weight falling.The parallel yarn weft breakage self-stopping device and air-jet loom provided by the utility model reduce the production cost of multi-weft cloth product, and improve product pass rate.

The application discloses a connection mode combination of a jet loom heald frame and a jet loom, and relates to the technical field of jet looms. The connection mode combination of the jet loom heald frame comprises a heald frame, a side connecting mechanism and a middle connecting mechanism. The heald frame comprises a heald frame lower beam extending along the width direction. The side connecting mechanism is arranged on both sides of the heald frame in the width direction and is used for being connected with an opening driving mechanism of the loom and driving the heald frame to move up and down. The middle connecting mechanism is arranged in the middle region of the heald frame in the width direction and is used for forming an auxiliary connecting fulcrum in the middle of the heald frame. The middle connecting mechanism is connected with the heald frame lower beam in a mode without penetrating the heald frame lower beam, so that the cross-section strength of the heald frame lower beam can be avoided from being weakened due to the formation of a penetrating mounting structure on the heald frame lower beam, stress concentration and fatigue damage are reduced, the structural strength of the heald frame lower beam and the service life of the heald frame are improved, and the middle support requirement under the conditions of high vehicle speed and wide weaving can be met.

A heald storage device of air-jet loom relates to the technical field of textile. The surface of the heald rod is fixedly connected with a supporting block, the bottom of the supporting block is attached with a rectangular cylinder, the left and right sides of the rectangular cylinder are both provided with a strip-shaped hole, the inner wall of the strip-shaped hole is attached with a first cylinder, the surface of the first cylinder is attached with a rubber sleeve, the surface of the rubber sleeve is attached with the surface of the heald rod, and the left and right sides of the rectangular cylinder are both attached with a limiting ring. The heald storage device of air-jet loom is characterized in that the round holes at the two ends of the heald are respectively sleeved on the two heald rods, the heald rod can fix and position the heald, 800-850 healds can be placed on the heald rod, and the storage device can help workers to neatly arrange and store a large number of healds.

The present application relates to the technical fields of double-layer explosion-proof electrical isolation, and discloses an explosion-proof compressor, which comprises a compressor inner core and a compressor shell, and a hollow terminal post and an exhaust pipe are coupled to the outer wall of the compressor shell, characterized in that a cable protection shell and a sealing cover in sealing connection with the outer ring of the cable protection shell are arranged above the compressor shell, a hard gasket is arranged between the sealing cover and the cable protection shell, an explosion-proof medium is filled between the hard gasket and the cable protection shell, an elastic medium with air tightness is filled between the hard gasket and the sealing cover, the elastic medium is compressed between the hard gasket and the sealing cover to form a sealing structure by screwing the sealing cover, when the compressor inner core explodes, the explosion gas is transmitted into the cable protection shell through the hollow terminal post, and the explosion-proof medium and the elastic medium double-buffer the explosion gas to reduce the explosion influence. The present application solves the problem of poor effect of the explosion-proof compressor in electrical explosion in the related art.

This invention relates to the field of waste gas treatment technology, and in particular to a waste gas treatment device for air-jet looms. The device includes a main treatment box and a main circulation box installed at the bottom of the main treatment box. A lower electrically controlled adjusting guide rail is fixedly mounted on the lower surface of the main treatment box, and an upper electrically controlled adjusting guide rail is installed on the upper surface of the main treatment box. This waste gas treatment device for air-jet looms treats the waste gas generated during the production process, preventing the waste gas from being directly discharged into the air, greatly improving air pollution control efficiency and the safety of personnel and equipment. By employing electrically controlled translation, it can automatically adjust according to the parameters of the waste gas, enabling adaptive filtration and reducing treatment costs.