31results about "Shuttles" patented technology

According to the air bag rubber shuttle wheel and the preparation method, a ternary rubber compound of chloroprene rubber, natural rubber and butadiene rubber is used as matrix rubber, and the mechanical property, wear resistance and heat resistance of a rubber matrix are improved by adding KEVLAR fibers, a two-dimensional nano material and the like. And the air bag type rubber shuttle wheel is constructed by the rubber matrix, and the air bag is integrally formed, so that the number of joints is small, the stress concentration is reduced, and the service life of the air bag type rubber shuttle wheel can be greatly prolonged. According to the shuttle wheel, a main heat conduction network is constructed through the two-dimensional nanosheets, the KEVLAR fibers can serve as an auxiliary heat conduction bridge to synergistically reduce dynamic heat generation, the heat conduction performance of the shuttle wheel is improved in combination with a hollow air bag structure, and the problems that an existing shuttle wheel is poor in high temperature resistance and heat conduction performance and short in service life are solved.

The invention discloses a warp yarn rough block intercepting device of a rapier loom, and belongs to the technical field of loom rough block intercepting. The warp yarn rough block intercepting device of the rapier loom comprises a buffer feedback ring and an intelligent judgment component. The industrial problem that a traditional roughness detector misreports due to vibration interference is solved, a buffer feedback ring at the front end of the device can actively absorb vibration energy, and the core is that mechanical vibration exceeding a threshold value is independently converted into an optical signal with a high signal-to-noise ratio through the unique design of a deformation inner film and an optical outer film; objective digital evidences of vibration events are provided for the system, and based on the evidences, the judgment receiver at the rear end can intelligently switch working modes, so that the device can accurately strip vibration noise and effectively intercept real defects, thereby ensuring high quality of a cloth cover, thoroughly eradicating invalid shutdown and remarkably improving production efficiency and operation economy.

A kind of wide piece shuttle weaving machine with controllable weft insertion speed, including piece shuttle, weft insertion track and three-axis mobile suction cup, weft insertion track includes permanent magnet array track and electromagnetic coil array track, electromagnetic coil array track is arranged on the two sides of permanent magnet array track, the two ends of weft insertion track are provided with three-axis mobile suction cup, synchronous belt is arranged between three-axis mobile suction cup, three-axis mobile suction cup is used to suck piece shuttle to move back and forth on the synchronous belt directly above weft insertion track, piece shuttle includes shuttle body and dewar container, the two sides of shuttle body are symmetrically installed with permanent magnet array that interacts with electromagnetic coil array track to realize the weft insertion movement of piece shuttle, the inside of shuttle body is installed with weft gripper for clamping weft, the bottom of shuttle body is connected with the top of dewar container, dewar container is filled with liquid nitrogen, the bottom of dewar container is inserted with superconductor that interacts with permanent magnet array track to realize the suspension of piece shuttle.The design not only improves the width of loom, but also improves the adaptability of weft.

This utility model relates to the field of weaving equipment technology and discloses an integrated wooden shuttle. The shuttle has a one-piece structure and is made of wood. It includes a winding section, a first hand-holding section, and a second hand-holding section. The winding section has a columnar structure and a thread-through hole. The first hand-holding section has a downward-recessed first hand-holding area, and the second hand-holding section has a recessed second hand-holding area facing the first hand-holding section. The one-piece structure of the shuttle provides structural stability, effectively preventing cracking and deformation during weaving, ensuring smooth operation, and improving weaving efficiency. Furthermore, the wooden material prevents static electricity from friction with the weaving thread and avoids snagging, ensuring weaving quality. The recessed first and second hand-holding areas facilitate hand operation, improving operational stability and ensuring both weaving quality and efficiency.

This invention relates to a dust removal device, equipment, and method for an image acquisition device used on a circular loom. The image acquisition device is used to acquire fabric images during the weaving process for defect detection. The image acquisition device includes a camera and a light source located at the front end of the camera. The device includes: a dustproof plate made of transparent material, which is fixedly covered on the end face of the light source away from the camera. The dustproof plate is sealed at an opening on the light source corresponding to the camera lens, thereby sealing the front end of the camera lens within the coverage area of ​​the dustproof plate; and a dust scraping assembly, which is parallel to the dustproof plate and rotatably connected to the surface of the dustproof plate. The dust scraping assembly is used to scrape off cotton lint and oil stains adhering to the dustproof plate. By adding a dust removal device, the dust removal operation of the camera lens is simplified, effectively improving the efficiency of fabric detection by the image acquisition device during the weaving process.

According to the flying shuttle positioning material box of the flying shuttle thread changing platform, the horizontal positioning extending direction of a flying shuttle is defined as the Y direction, the horizontal threading direction of a threading hole in a flying shuttle shell is defined as the X direction, the gravity direction is defined as the Z direction, and the flying shuttle positioning material box is fixedly arranged on an annular delivery component of the flying shuttle thread changing platform; the material box comprises a box body, a pressing piece and a back check block, a flying shuttle positioning groove which is concave downwards in the Z direction and is through in the Y direction is formed in the middle of the top face of the box body, the back check block for supporting and positioning a flying shuttle cover is fixedly arranged at one end of the Y direction of the box body, and the pressing piece for pressing the tip end of the flying shuttle in the Z direction is fixedly arranged on the top face of the other end of the Y direction of the box body. The flying shuttle is inserted into the material box in a three-axis positioning mode, a positioning shuttle cover is adsorbed in an open posture, the positioning and receding functions are achieved when the flying shuttle is delivered to different process stations for thread changing machining after being positioned, and the material box is simple in structure and easy to achieve.

A weft thread tensioning device, comprising a weft thread path defining arrangement having two weft thread passage elements (24, 26) positioned at a distance with respect to each other for receiving a weft thread such as to extend along a straight weft thread path (P) extending between the weft thread passage elements (24, 26), a weft thread deflection element (28) positioned between the weft thread passage elements (24, 26) in the direction of the weft thread path (P), the weft thread deflection element (28) being movable such as to act on a weft thread extending across the weft thread passage elements (24, 26) for deflecting the weft thread between the weft thread passage elements (24, 26) out of the straight weft thread path (P), and a deflection element drive (34) operable for moving the weft thread deflection element (28), the deflection element drive (34) having a controller (38) associated therewith for controlling the movement of the weft thread deflection element (28) for deflecting a weft thread extending across the weft thread passage elements (24, 26), is characterized in that the deflection element drive (34) comprises a rotary electric motor (36), and that the weft thread deflection element (28) is coupled to a rotor shaft of the rotary electric motor (36) and is arranged for carrying out a swiveling movement about a swivel axis (A) that is substantially parallel to the straight weft thread path (P).

A superconducting permanent magnetic piece shuttle for heavy load wide fabric weft insertion and its recovery device, including shuttle body, superconductor, permanent magnet array and weft gripper, the middle part of the lower end surface of the shuttle body is provided with the permanent magnet array which interacts with the traveling wave magnetic field to realize the weft insertion movement of the piece shuttle, the inside of the shuttle body is provided with the weft gripper for clamping weft, both sides of the shuttle body are provided with a number of through cavities, both sides of the shuttle body are provided with a number of grooves which are communicated with the through cavities, the superconductor which interacts with the track of the permanent magnet array to realize the suspension of the piece shuttle is inserted in the through cavities; the recovery device includes three-axis moving chuck and synchronous belt, the synchronous belt includes a number of synchronous belts, the first synchronous belt is arranged downwardly, the second synchronous belt is arranged horizontally, the two sides of the second synchronous belt are provided with liquid nitrogen pools for cooling the superconductor through the grooves. The design not only realizes the weft insertion of heavy load wide fabric, but also improves the adaptability of weft.

The present innovation relates to shuttles for hand weaving looms. In particular, the invention relates to a single sheet of shuttles joined together in such a manner that allows the individual shuttles to be broken from the main sheet ready for use. The advantage of the invention is that multiple shuttles can be pre-wound with thread or yarn simultaneously, and separated afterwards.

The utility model relates to the technical field of manual shuttle weaving, in particular to a shuttle with a replaceable shuttle tip and a replaceable shuttle hook, which comprises a first shuttle piece, a second shuttle piece, a shuttle core, the shuttle tip and the shuttle hook, the crochet needle function of the shuttle is realized, and the shuttle core is used for winding; one or more kinds of shuttle tips are configured, and each shuttle tip has different taper and taper fineness; one or more kinds of shuttle hooks are configured, and hook needle heads of the shuttle hooks have different specifications; the shuttle tip, the shuttle hook and the shuttle body are fixedly connected and are of a quick disassembly and assembly structure; the shuttle tip and the shuttle hook are made of tough and elastic materials, product strength and durability are improved, step-free smooth transition gradually-changing connection with gaps as small as possible is formed among the shuttle tip, the shuttle hook and the shuttle body through the design of the thickness gradually-changing structure of the shuttle tip and the shuttle hook, and accordingly weaving efficiency and comfort of the shuttle are improved.

The utility model provides a shooting-in side opening hook which comprises a bearing sleeve, main sliding grooves are symmetrically formed in the lower surface of the bearing sleeve, sleeves are symmetrically connected to the two ends of the outer side face of the bearing sleeve in a sleeved mode, main sliding blocks are correspondingly connected to the positions, opposite to the main sliding grooves, of the inner side faces of the sleeves, and the sleeves are fixedly connected with the bearing sleeve through bolts. The upper surfaces of the two sets of sleeves are fixedly connected with a main fixing plate and an auxiliary fixing plate respectively, meanwhile, the side opening hook body is fixedly connected to the surface of the bearing sleeve through the main fixing plate and the auxiliary fixing plate, and the two sides of the hook handle portion of the side opening hook body are fixedly connected with a transverse embedding plate and a vertical embedding plate respectively. According to the side opening hook, the sleeve, the main fixing plate, the auxiliary fixing plate, the transverse embedding plate and the vertical embedding plate are matched, so that the bearing sleeve and the side opening hook body can be conveniently assembled and disassembled, and then the replacement efficiency of workers can be improved when the side opening hook is damaged.

A projectile loom for weft insertion of heavy-duty wide-width fabrics includes a projectile shuttle, a weft insertion track, and three-axis moving suction cups. The weft insertion track includes a permanent magnet array track and an electromagnetic coil array track, with the permanent magnet array track positioned on both sides of the electromagnetic coil array track. Three-axis moving suction cups are located at both ends of the weft insertion track, and a synchronous belt is positioned between the three-axis moving suction cups. The projectile shuttle includes a shuttle body, a superconductor, a permanent magnet array, and a weft clamp. A permanent magnet array is installed in the middle of the lower end face of the shuttle body, interacting with the electromagnetic coil array track to achieve the weft insertion movement of the projectile shuttle. A weft clamp for holding the weft yarn is installed inside the shuttle body. A first through-cavity is opened on both sides of the shuttle body, and a first groove is opened on both sides of the shuttle body communicating with the first through-cavity. A superconductor that interacts with the permanent magnet array track to levitate the projectile shuttle is inserted into the first through-cavity. This design not only achieves weft insertion of heavy-duty wide-width fabrics but also improves the adaptability of the weft yarn.

The utility model relates to the technical field of weaving machines, in particular to a high-speed machine base thread shuttle which comprises a shuttle main body, a shuttle cavity is formed in the shuttle main body, a fixed part and a movable part are installed in the shuttle cavity and symmetrically arranged on the two sides, warp is installed between the fixed part and the movable part, a turning cover is installed on the shuttle main body, and the turning cover is connected with the shuttle main body. A shaft sleeve is mounted on the turning cover, and the middle of the shaft sleeve penetrates through a rotating shaft, is positioned on two sides of the shuttle main body and is rotationally connected with the shuttle main body. The fixed part and the movable part are installed in the shuttle cavity of the shuttle body, the threaded knob is in threaded connection with the side end of the movable part, then position movement of the movable part is achieved, and the size of the inner space of the shuttle cavity can be conveniently adjusted according to the size of warp. The connecting rods in the middle of the warp yarns are respectively positioned on the bearings in the middle of the fixed part and the movable part and are rotationally connected to realize smooth rotation of the warp yarns, so that the rejection rate of the shuttle and the cutting rate of the warp yarns are greatly reduced, and the practicability of the whole device is improved.

The invention provides a shuttle, a shuttle loom and a weft insertion method, belongs to the field of spinning, and aims at solving the problem that when a weft insertion mechanism drives the shuttle to move, the reduction amount of the length of suspended yarn is larger than the actual traction amount of the weft insertion mechanism to weft yarn. A coil spring seat is arranged on a mounting seat for mounting a rotating shaft, the coil spring seat sleeves the rotating shaft, and a first coil spring with one end connected with the rotating shaft and the other end connected with the coil spring seat is further arranged between the rotating shaft and the coil spring seat; the first coil spring is used for applying a rotating force to the spool in a direction opposite to the direction in which the weft insertion mechanism drives the spool to rotate, so that the weft yarn led out from the spool can be in a tensioned state, and the situation that the reduction amount of the suspended yarn length between the spool and the shuttle weft insertion point is larger than the actual traction amount of the weft insertion mechanism to the weft yarn is avoided. The defects that the fabric structure becomes loose, the cloth cover is uneven in density, weft yarn floats on the surface and the like are effectively avoided, the appearance and internal quality of the fabric are improved, and the requirement of the market for high-quality fabric is met.

The utility model relates to the technical field of yarn hooking needles, in particular to a length adjusting type yarn hooking needle which comprises a first connecting rod, a second connecting rod is installed at one end of the first connecting rod, a length adjusting assembly is installed between the first connecting rod and the second connecting rod, and a connecting block is installed at the top end of the second connecting rod. A locking assembly is installed on the connecting block, a needle head is installed on the connecting block, and a hook is installed on the needle head. A yarn hooking needle arranged on the device is provided with a length adjusting assembly, the length of the whole yarn hooking needle is adjusted by manually rotating a threaded locking ring to tighten the top end of a first connecting rod, then locking is achieved by rotating the threaded locking ring, and a needle head is replaced between the needle head and a second connecting rod through a locking assembly. And the whole device is easy and convenient to operate and suitable for application and popularization.

The utility model belongs to the technical field of glass fiber production equipment, and particularly relates to a wear-resistant flat cable sliding shuttle and a composite shuttle body thereof. The wear-resistant yarn arrangement sliding shuttle comprises a sliding block, a spacer bush, a sliding shuttle body and a yarn guide piece. The sliding block is provided with a sliding rail groove and a spacer bush hole. A sliding shuttle hole and a blocking part are arranged on the spacer bush; the sliding shuttle comprises a shuttle body and a wear-resistant resin cover; a reciprocating driving part and a shuttle sliding shaft are arranged on the shuttle body; a sliding shuttle shaft close-fitting hole, a reversing driving part and a spacer bush connecting part are arranged on the wear-resistant resin cover; the sliding shuttle shaft is arranged in the sliding shuttle shaft close-fitting hole; the yarn guide piece is fixedly assembled on the sliding block, the spacer bush connecting part is arranged in the sliding shuttle hole, and the spacer bush is arranged in the spacer bush hole. According to the wear-resistant flat cable sliding shuttle and the composite shuttle body thereof, the wear resistance of the flat cable sliding shuttle can be improved, and the maintenance cost and the production cost are reduced.

The invention relates to a circular loom (1) for producing a circular woven fabric (14), comprising: a main axis (2); a reed for guiding a shuttle for weft yarns; a supply holder (3) for warp yarns (5); a drawing-in device (7) for drawing in the warp yarns (5) from the supply holder (3); an arrangement of guiding and length-compensating elements (13) comprising feedthroughs (19) for the warp yarns (5) drawn in by the drawing-in device (7); an outer stop (20) against which the guiding and length-compensating elements (13) are positioned in an outer stop position when they are in an initial state in which they are not loaded by the warp yarns (5); an inner stop (21) against which the guiding and length-compensating elements are positioned in an inner stop position; a middle stop (22) against which the guiding and length-compensating elements are positioned in an operating position, wherein the guiding and length-compensating elements (13) each comprise a spring rod (16) having a first spring rod part (17) on which the feedthrough (19) is provided, wherein the first spring rod part (17) can be deflected in the operating position by being bent up to the inner stop position at the inner stop (21), wherein the spring rods (16) each comprise a second spring rod part (18) which presses the guiding and length-compensating element (13) into the outer stop position when it is in an initial state in which it is not loaded by the warp yarns (5).

An electromagnetic shuttle insertion device for a rapier loom includes a rapier shuttle, a first permanent magnet array track, a first electromagnetic coil array track, and a three-axis moving suction cup. The first electromagnetic coil array track is arranged on both sides of the first permanent magnet array track. The coils on the first electromagnetic coil array track are grouped in sets of three, with each group carrying a three-phase alternating current, and each coil carrying an alternating current with a phase difference of 120 degrees. The rapier shuttle includes a shuttle body and a Dewar container. The two sides of the shuttle body are symmetrically equipped with permanent magnet arrays that interact with the first electromagnetic coil array track to achieve shuttle insertion. A weft clamp is installed inside the shuttle body. The Dewar container is filled with liquid nitrogen, and a superconductor that interacts with the first permanent magnet array track to levitate the rapier shuttle is inserted at the bottom of the Dewar container. The Dewar container has through holes for injecting liquid nitrogen and venting liquid nitrogen vapors. This design not only achieves controllable weft insertion speed for the rapier shuttle but also improves the applicability of rapier shuttle weft insertion.

An ultraconductive permanent magnetic piece shuttle for magnetic suspension weft insertion, comprising a shuttle body and a Dewar container, permanent magnetic arrays symmetrically installed on both sides of the shuttle body to interact with traveling wave magnetic field to realize piece shuttle weft insertion movement, a weft gripper installed inside the shuttle body to grip weft, the bottom of the shuttle body connected with the top of the Dewar container, the Dewar container filled with liquid nitrogen, the bottom of the Dewar container inserted with an ultraconductor to interact with permanent magnetic array track to realize piece shuttle suspension, the ultraconductor in contact with the liquid nitrogen, and through holes provided on the Dewar container to inject liquid nitrogen and discharge liquid nitrogen volatile gas. The design not only makes the speed of the piece shuttle controllable, but also improves the application range of the piece shuttle weft insertion.

The present invention relates to the technical field of weaving equipment and discloses a shuttle guide rail structure for a weaving machine, comprising a weft yarn tube and a warp yarn arm, the warp yarn arm is provided with a yarn guide hole, and also comprises a guide rail and a shuttle body; the warp yarn arm is fixedly connected to the shuttle body; fixed seats are provided on both sides of the shuttle body, a weft yarn shaft is provided between the two fixed seats, and the weft yarn tube is sleeved on the outside of the weft yarn shaft; ball bearings are provided on both sides of the weft yarn tube, the inner wall of the ball bearing is fixedly connected to the weft yarn shaft, and the outer wall of the ball bearing is fixedly connected to the inner wall of the weft yarn tube; guide wheel groups are provided on both sides of the shuttle body, the guide wheel groups include a guide shaft rotatably connected to the shuttle body and a guide wheel moving in the guide rail, the guide wheel is fixedly connected to the guide shaft, and also includes a power unit for driving a guide shaft to rotate, and the power unit is arranged on the shuttle body; this solution mainly solves the problem that the existing guide shuttle roller device adopts a mechanical transmission method to make the shuttle movement costly.

The invention discloses a positive rewinding and negative yarn feeding coexistence weft yarn tension adjusting device of a shuttle loom, and relates to the technical field of textile machinery. Comprising a shuttle body, a replaceable weft storage device and a tension sensing system, the replaceable weft storage device and the tension sensing system are connected into the shuttle body, open grooves are formed in the two sides of the shuttle body, and a support is arranged in the shuttle body; the tension sensing system comprises a tension sensing spring pressing piece device, a battery, a motor and an electromagnetic clamp, the tension sensing spring pressing piece device is arranged on one side of the open groove, weft yarn on the replaceable weft storage device penetrates through the tension sensing spring pressing piece device, and the battery is electrically connected with the motor. The motor is connected with one end of the electromagnetic clamp, and the other end of the electromagnetic clamp is connected with the replaceable weft storage device. The device has the advantages of simplicity in operation, high automation degree and convenience in weft replacement, solves the problems of fabric hemming, selvage deflection and the like caused by non-uniform weft tension during beating-up, improves the quality of fabric finished products, and improves the processing efficiency of a loom.

A shuttle and rotor assembly having a balancing apparatus, comprising: a rotor assembly (1), the rotor assembly (1) comprising a housing (11) and multiple eccentric sleeves (12) symmetrically arranged on the housing (11), each eccentric sleeve (12) being connected to an inner protruding circular shaft (13) and an outer protruding circular shaft (14) by means of an adjustment assembly (3), and the inner protruding circular shaft (13) and the outer protruding circular shaft (14) having different sizes and being arranged in opposite directions. The adjustment assembly (3) comprises an adjustment groove (31) and a ball (32), the adjustment groove (31) being an annular groove, and the ball (32) being placed on the surface of the adjustment groove (31). The ball (32), the inner protruding circular shaft (13) and the outer protruding circular shaft (14) are all mounted inside the eccentric sleeve (12). The ball (32) can make contact with the inner wall of the eccentric sleeve (12) and perform fine distance adjustment, and the inner protruding circular shaft (13) and the outer protruding circular shaft (14) can rotate to counteract the impact caused by machining errors, so that a low precision requirement for normal operations is met, thereby reducing production costs.

A method, system and computer program product for a heuristic determination of in-process damage class control to manage expected output product category. The heuristic technique determines the predicted damages and their ranges while keeping the initial expected defects, the respective classes and range of defect and mitigation. The method dynamically computes a damage mitigation range of operation while being within the overall constraints and completes the computation in smaller number of loops being run at the edge computers so that the manufacturing equipment can operate at a higher velocity for higher quality of the output. The method includes a step of reducing error of the co-efficient and damage counts. An Internet of Things (loT) based robot is used to mitigate the damages in the manufacturing steps to ensure that the output class of the product remains what was expected at the start despite damages and mitigation measures.

The utility model relates to the technical field of sliding shuttles, in particular to a sliding shuttle with good wear resistance, which comprises a sliding block, a sliding shuttle base body fixedly connected to the top of the sliding block, a mounting seat fixedly connected to the top of the sliding shuttle base body, a plurality of mounting grooves formed in the side wall of the mounting seat, positioning blocks movably connected to the interiors of the mounting grooves, and shuttle grooves fixedly connected to the side walls of the positioning blocks. The side wall of the shuttle groove is fixedly connected with a ceramic slip sheet and is provided with a plurality of positioning holes. According to the sliding shuttle, the positioning block, the shuttle groove and the like are arranged, when the sliding shuttle is used, the positioning block and the mounting groove are matched for use, the shuttle groove is assisted to be positioned on the mounting seat, the positioning pin is fixed in the positioning hole in the side wall of the shuttle groove, so that the shuttle groove is fixed, and the sliding shuttle adopts an assembly type design, so that the shuttle groove can be conveniently maintained and replaced in time; the reduction of product quality and the reduction of working efficiency of the wire drawing machine caused by the damage of the shuttle groove structure are avoided.

A superconducting magnetically levitated weft insertion jib loom includes a jib, an electromagnetic shuttle-throwing device, a magnetically levitated weft insertion device, an electromagnetic shuttle-controlling device, and a three-axis moving suction cup. The electromagnetic shuttle-throwing device includes a first permanent magnet array track and a first electromagnetic coil array track, with the first electromagnetic coil array track positioned on both sides of the first permanent magnet array track. The electromagnetic shuttle-controlling device includes a second permanent magnet array track and a second electromagnetic coil array track, with the second electromagnetic coil array track positioned on both sides of the second permanent magnet array track. The magnetically levitated weft insertion device includes a third permanent magnet array track. The jib includes a shuttle body and a Dewar container. Permanent magnet arrays are symmetrically installed on both sides of the shuttle body. A weft clamp is installed inside the shuttle body. The Dewar container is filled with liquid nitrogen, and a superconductor is inserted into the bottom of the Dewar container. This design not only achieves controllable jib weft insertion speed but also improves the applicability of jib weft insertion.

The present invention discloses a warp and weft shrinkage monitoring method, system and process for electronic-grade fiberglass cloth, which relates to the technical field of fiberglass cloth production and processing, and includes: S1. Establish an open-fiber database, which includes: recording the warp density n and weft density m during the open-fiber treatment; obtaining the widths of the warp and weft after the open-fiber treatment, and recording them one by one according to the corresponding warp density n and weft density m to obtain relationship data one; the relationship data one is stored in a preset open-fiber database; S2. Shrinkage characteristic analysis, which includes: obtaining the current warp density n1, weft density m1 and cloth width; searching the open-fiber database based on n1 and m1 to obtain the matching relationship data one; obtaining the warp and weft distribution parameters after open-fiber according to the relationship data one and the cloth width; calculating the similarity in the warp direction and weft direction, and integrating the relationship data one as monitoring data for output. This application has the effect of reducing the warping of the PCB board substrate.

The application relates to the technical field of looms, in particular to an automatic weft tube replacing machine, which comprises a rack, a mounting plate arranged at the top rear side of the rack, a tube placing assembly arranged at the top center of the rack, a straight line module arranged on the tube placing assembly, a cycloid assembly arranged on the straight line module, a threading assembly arranged at the front left end of the mounting plate, a winding assembly arranged at the bottom left end of the mounting plate, a thread cutting assembly arranged at the top of the rack and located in front of the cycloid assembly, a pipe clamping assembly arranged at the front right end of the mounting plate, a surplus thread removing assembly arranged at the front right end of the rack, and a positioning assembly arranged at the top of the rack and located in front of the thread cutting assembly. The automatic weft tube replacing machine can realize automatic threading of weft thread heads through weft tubes without manual threading.

The present application relates to the technical field of textile, especially to a fine fiber band knitting machine, comprising a knitting machine frame body, wherein the knitting machine frame body is connected with a brown silk frame assembly and a brown silk arm assembly, the brown silk arm assembly is movably connected with the brown silk frame assembly, the brown silk frame assembly drives the brown silk arm assembly to move up and down alternately, thereby driving the upper warp yarn group and the lower warp yarn group to move up and down alternately, the knitting machine frame body is connected with a sword belt disc assembly, the sword belt disc assembly is connected with a shuttle assembly, the shuttle assembly drives the weft yarn to reciprocate through the upper warp yarn group and the lower warp yarn group alternately, the knitting machine frame body on both sides of the shuttle assembly is connected with a cutting assembly, the cutting assembly cuts the weft yarn, the knitting machine frame body is connected with a winding assembly for winding cloth, the present application realizes two-way weft transmission, improves the working efficiency of the knitting machine, and can knit products with any width within a certain width limit, and has a wide application prospect in the technical field of textile.