28 results about "Shuttle box" patented technology

The cap embroidery shuttle box with the lubricating function comprises a shuttle box body, a rotating shuttle shaft used for being connected with a rotating shuttle, two rotating shuttle shaft sleeves and a lubricating assembly, the two rotating shuttle shaft sleeves are coaxially arranged and arranged on the shuttle box body, and the two rotating shuttle shaft sleeves are rotationally connected to the two ends of the rotating shuttle shaft respectively; the lubricating assembly comprises two lubricating pipes and a lubricating pump, the two lubricating pipes correspond to the two rotating shuttle shaft sleeves, one ends of the two lubricating pipes are arranged at two pump openings of the lubricating pump respectively, and the other ends of the lubricating pipes are used for pumping lubricating oil between the rotating shuttle shaft and the rotating shuttle shaft sleeves. The rotating shuttle shaft has the effect that lubricating oil can be conveniently added between the rotating shuttle shaft sleeve and the rotating shuttle shaft.

A transmission structure for embroidery machine lower shaft, including lower shaft assembly and several shuttle boxes connected to the lower shaft assembly; the lower shaft assembly is provided with a synchronous pulley rotating synchronously with the lower shaft assembly, and the synchronous pulley is connected with a driving assembly for driving the synchronous pulley to rotate; several said shuttle boxes are arranged in an interval type row, and the synchronous pulley is located between the adjacent two shuttle boxes; the shuttle box is provided with a rotating shuttle, and the lower shaft assembly is provided with a transmission assembly for controlling the synchronous operation of the rotating shuttles in the several shuttle boxes; compared with the prior art, by arranging the several shuttle boxes in an interval type, and installing the synchronous pulley for driving the lower shaft assembly at the interval of the adjacent shuttle boxes, the installation of the synchronous pulley does not need to change the existing shuttle box structure, and during the maintenance or installation of the shuttle box, no additional operation is needed, the installation flexibility is enhanced, the installation efficiency and the maintenance convenience are improved.

The utility model relates to a kind of buckle wire fork assemblies of double-needle computerized embroidery machine.It involves embroidery machine technical field.The application specifically includes the buckle wire mounting plate fixedly connected with shuttle box body, the buckle wire driving mechanism fixedly connected with buckle wire mounting plate, the buckle wire guide mechanism fixedly connected with buckle wire mounting plate, and buckle wire mechanism;The upper fulcrum of buckle wire mechanism bottom is connected with buckle wire driving mechanism, the lower fulcrum of buckle wire mechanism bottom is connected with buckle wire guide mechanism, buckle wire driving mechanism is used to drive buckle wire mechanism swing around lower fulcrum, and buckle wire guide mechanism limits the swing of buckle wire mechanism around lower fulcrum.Two buckle wire forks symmetrically provided on the buckle wire mechanism of the utility model, when buckle wire driving mechanism drives buckle wire mechanism swing around lower fulcrum, buckle wire mechanism can simultaneously carry out the buckle wire and loose line of double-needle surface thread through two buckle wire forks symmetrically arranged, to reduce the occupation of space by buckle wire fork assembly, and then make the structure of double-needle computerized embroidery machine more compact.

The utility model relates to a wide-purpose small embroidery machine which comprises an embroidery machine body, a shuttle box, a working plate and a supporting piece, the shuttle box is arranged on the embroidery machine body, the supporting piece comprises a supporting plate and a supporting block, the supporting plate is arranged on the side wall of the embroidery machine body, the supporting block is arranged on the shuttle box, and the working plate is arranged on the supporting plate. An avoiding groove for avoiding the shuttle box is formed in the working plate, the supporting block is arranged on the side wall of the shuttle box, a matching groove is formed in the lower end face of the working plate, and the matching groove is used for being matched with the supporting block in a clamped mode. The embroidering machine has the effect of keeping the flatness of the to-be-embroidered object with the existing shape in the embroidering process.

The utility model relates to a shuttle box and base integrated structure of small and medium-sized embroidery machines in the field of embroidery machines, which comprises an embroidery machine base provided with a first accommodating cavity with an upward opening, a supporting table is arranged in the accommodating cavity, and a working area is arranged in front of the embroidery machine base. A shuttle box is integrally machined and formed on the surface of the embroidery machine base, the shuttle box comprises a base body part and a neck hanging part, the base body part is located on the surface of the supporting table, the neck hanging part horizontally extends into the working area, a groove with an upward opening is formed in the neck hanging part, and a second containing cavity with an upward opening is formed in the base body part; the bottom face of the second containing cavity is provided with an installation hole used for installing the thread buckling electromagnet, and the installation hole penetrates through the bottom face of the base body part and the top face of the supporting table, so that the shuttle box can be completed only through machining in the vertical direction, the material cost, the machining cost and the assembling cost are remarkably reduced, and the production efficiency is improved.

This invention relates to the field of Miao embroidery technology, and provides a positioning and fixing frame for Miao embroidery fabric and its usage method. The frame includes a base frame and a pressure frame. Multiple strip-shaped components are arranged in the base frame, and multiple support rods are arranged through each strip. Several first elastic cords are provided between the support rods and the strips. The fixing frame also includes a magnet mounted on the embroidery machine body and directly opposite the shuttle box. Each support rod has an iron block at its lower end that can be attracted by the magnet. The evenly distributed support rods support the Miao embroidery area of ​​the fabric to prevent sagging. When a support rod moves to be perpendicular to the magnet, the magnet attracts the iron block corresponding to that support rod, causing the support rod to move downwards to avoid obstructing the shuttle box, ensuring the fixing frame can move normally. When the support rod moves out of its perpendicular position to the magnet, it resets under the action of the several first elastic cords, continuing to support the fabric and ensuring the accuracy and effect of the Miao embroidery.

The present application discloses a buffer, a shuttle box and a loom of a loom. The buffer of the loom includes a frame body, a cylinder and a buffer member; the cylinder includes a cylinder body installed on the frame body and a piston slidably disposed in the cylinder body. The piston further includes a piston rod that can extend out of the cylinder body, and the piston rod can move relative to the cylinder body along with the piston; the buffer member is slidably installed on the frame body, and the buffer member can move relative to the frame body to push against the piston rod. By the above method, the present application can effectively consume the remaining energy of the shuttle and make the shuttle be buffered and stopped within a short time.

1. Name of the Design Product: Graphical User Interface for Information Shuttling of Electronic Devices. 2. Use of the Design Product: For an electronic device. 3. Design Key Points of the Design Product: Lie in the graphical user interface. 4. Picture or Photo Most Indicating the Design Key Points: The front view of Design 1. 5. The rear view, left view, right view, top view, and bottom view of each design are conventional designs, and the rear view, left view, right view, top view, and bottom view of each design are omitted. 6. Design 1 is designated as the basic design. 7. Use of the Graphical User Interface: For shuttling information between two shuttle boxes. 8. Human-Computer Interaction Method of the Graphical User Interface: In Design 1, click the box-shaped icon at the leftmost of the first column above the front view to switch to the interface change state diagram 1, and click the "Cancel Shuttle" icon in the middle of the interface change state diagram 1 to switch to the interface change state diagram 2; in Design 2, click the box-shaped icon at the leftmost of the first column below the front view to switch to the interface change state diagram 1, and click the "Confirm Shuttle" icon at the bottom of the interface change state diagram 1 to switch to the interface change state diagram 2; in Design 3, slide down the interface above the front view to switch to the interface change state diagram 1, click the box-shaped icon at the leftmost of the bottom row above the interface change state diagram 1 to switch to the interface change state diagram 2, and click the "Cancel Shuttle" icon in the middle of the interface change state diagram 2 to switch to the interface change state diagram 3; in Design 4, slide down the interface below the front view to switch to the interface change state diagram 1, click the box-shaped icon at the leftmost of the bottom row below the interface change state diagram 1 to switch to the interface change state diagram 2, and click the "Confirm Shuttle" icon at the bottom of the interface change state diagram 2 to switch to the interface change state diagram 3.

The invention relates to a double-needle computerized embroidery machine. Relates to the technical field of embroidery machines. The double-needle sewing machine specifically comprises a machine shell, a single needle rod presser foot driving mechanism, a single upper thread clamping mechanism, a single thread hooking mechanism, a shuttle box body, a single thread buckling mechanism and a single thread trimming mechanism, the single needle rod presser foot driving mechanism, the single upper thread clamping mechanism and the single thread hooking mechanism are arranged on the machine shell, the shuttle box body is arranged below the machine shell, and the single thread buckling mechanism and the single thread trimming mechanism are arranged on the shuttle box body. The single upper thread clamping mechanism clamps double-needle upper threads at the same time, the single thread hooking mechanism hooks the threads of the double needles at the same time, the single thread buckling mechanism buckles the threads of the double needles at the same time, and the single thread trimming mechanism trims the threads of the double needles at the same time. Therefore, the space occupied by the needle bar presser foot driving mechanism, the upper thread clamping mechanism, the thread hooking mechanism, the thread buckling mechanism and the thread trimming mechanism can be reduced, meanwhile, the synchronism of double-needle stitch thread trimming actions is improved, the structure of the double-needle computerized embroidery machine is more compact, and the space utilization rate and the embroidery quality of the double-needle computerized embroidery machine are improved.

1. Name of the product in this design: Shuttle box for embroidery machine. 2. Purpose of this design: For use in embroidery machines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides high-conductivity graphene power cable processing equipment, and relates to the technical field of cable processing, the high-conductivity graphene power cable processing equipment comprises two groups of supporting seats, a processing shuttle box, a cooling mechanism, two groups of electrostatic adsorption mechanisms, a stringing rolling mechanism and two groups of wiring channels, the two groups of supporting seats are symmetrically mounted at the two ends of the bottom of the processing shuttle box in parallel; and the cooling mechanism is arranged outside one end of the machining shuttle box, the two sets of electrostatic adsorption mechanisms are arranged in the machining shuttle box and located on the upper portion and the lower portion of the end, away from the cooling mechanism, of the machining shuttle box correspondingly, and the stringing rolling mechanism is arranged in the middle of the interior of the machining shuttle box. By optimizing a cooling mode and an impurity cleaning mechanism, the processing quality of the graphene cable is effectively improved, the stability and efficiency of equipment operation are enhanced, and the device is suitable for large-scale production of the high-conductivity graphene power cable.

The utility model discloses an embroidery machine shuttle box body with an adjustable thread-off notch. The embroidery machine shuttle box body comprises a rotating shuttle box and a driving box positioned on one side of the rotating shuttle box, a rotating shuttle rotationally connected with the rotating shuttle box and a supporting frame fixedly connected with the rotating shuttle box are installed in the rotating shuttle box, the supporting frame is arranged corresponding to the top of the rotating shuttle, and a thread disengaging groove controlled by the supporting frame is formed in the top of the rotating shuttle. A driving assembly and a control assembly installed at the end of the driving assembly in a swinging mode are installed in the driving box, and a fixing base used for supporting the control assembly to swing is arranged in the rotating shuttle box. A shifting piece is formed at the end part of the control assembly, and a matched bulge corresponding to the shifting piece is formed at the bottom of the rotating shuttle; compared with the prior art, swing of the shifting piece is achieved through the driving assembly and the control assembly, and the rotating shuttle is driven to move under the swing action of the shifting piece, so that the thread loosening groove moves to different positions of the supporting frame, the relative position between the groove wall of the thread loosening groove and the supporting frame is adjusted, the size of the thread loosening gap is adjusted, and the thread loosening requirement of thick threads is met.

A kind of embroidery machine frame without fabric width, including embroidery machine base, the side of described embroidery machine base is connected with girder support, girder support connects embroidery machine girder, girder support does not interfere with fabric width, described embroidery machine girder connects embroidery machine head, embroidery machine base connects shuttle box, embroidery machine head is connected with shuttle box by transmission device, transmission device does not interfere with fabric width.The girder support of not interfering with fabric width and transmission device are used in the present application, improve the adaptability of embroidery machine frame to fabric width.

A single-head computerized embroidery machine comprises an embroidery machine head, a shuttle box body, a main transmission mechanism, a fixing frame, an auxiliary transmission mechanism and a rack, the embroidery machine head and the shuttle box body are installed on the rack, the main transmission mechanism is connected with the embroidery machine head and the shuttle box body, the main transmission mechanism drives the embroidery mechanism and the shuttle box body to work at the same time, and the thread locking action in the embroidery process is completed. Therefore, the embroidering operation is completed; the fixed frame is detachably installed on the auxiliary transmission mechanism, the fixed frame is located between the embroidery machine head and the shuttle box body, the fixed frame is driven by the auxiliary transmission mechanism to move between the embroidery machine head and the shuttle box body, and different types of fixed frames are installed on the auxiliary transmission mechanism; therefore, the embroidery machine can conveniently embroider different parts to be embroidered.

The invention discloses a computerized embroidery machine based on a visual positioning embroidery technology, and belongs to the technical field of embroidery equipment. The embroidery machine comprises a feeding device, an embroidery machine main body and a discharging device, wherein the embroidery machine main body comprises a rack, an embroidery frame and an embroidery mechanism; a visual sensor is arranged above the tabouret on the rack; the embroidery mechanism comprises a fixed machine head assembly, a fixed shuttle box body assembly, an adjustable machine head assembly and an adjustable shuttle box body assembly; the adjustable machine head assembly comprises a machine head, a machine head left-right fine adjustment mechanism and a machine head front-back fine adjustment mechanism. The adjustable shuttle box body assembly comprises a shuttle box body, a shuttle box body left-right fine adjustment mechanism and a shuttle box body front-back fine adjustment mechanism; the feeding device and the discharging device each comprise a material frame, a material collecting and discharging roller, a gravity tensioning pipe, a guide roller and a tensioning and feeding roller, and a cloth pressing mechanism is arranged on each tensioning and feeding roller. The cloth pressing mechanism is matched with the tensioning feeding roller to press cloth, and the tensioning feeding roller slides along the material frame to set the feeding stroke so as to complete quantitative feeding. The embroidery precision of the whole pattern can be effectively improved.

A pest trap apparatus having a trap chamber attached to an entry channel, a drop cover having a trap door disposed within the trap chamber, such that the trap door provides a floor to the trap chamber, a shuttle box nested within the trap chamber and supported by the trap door, a sensor associated with the trap chamber, the sensor being configured to generate and transmit a signal upon detecting a pest, a striker in electrical communication with the sensor, such that upon receiving the signal from the sensor, the striker is configured to impact and rotate the trap door downward, thus dropping the shuttle box within the trap chamber to prevent escape of pests and sending pests within the trap chamber down into a trap chute below the trap chamber, and an actuator configured to reset the trap door by rotating it upward to reengage with a trap latch.

The utility model relates to a kind of thread trimming mechanism suitable for multi-head embroidery machine.It relates to the technical field of embroidery machine.The application specifically includes at least two thread trimming devices arranged on shuttle box body, corresponding the thread trimming of at least two double needle heads;Thread trimming device includes first needle thread trimming assembly, second needle thread trimming assembly and thread trimming fixed plate, first needle thread trimming assembly is arranged on the beam of shuttle box body, second needle thread trimming assembly is arranged on thread trimming fixed plate.The thread trimming fixed plate of the utility model is fixedly connected with shuttle box body, when being set on one side of middle connecting groove, when second needle thread trimming assembly is set on thread trimming fixed plate, avoid the position where middle connecting groove is, so it will not interfere with middle connecting piece, so as to ensure that the thread trimming mechanism can normally cut thread, and further reduce the distance between heads, so that multi-head embroidery machine can realize higher density embroidery, improve embroidery quality.

The invention relates to the technical field of data management, and provides a data management method, system and device based on a hierarchical batch operation shuttle box, and the method comprises the steps: creating a shuttle box interface, and initializing a left side box and a right side box in the shuttle box interface; dynamically loading the tree structure data in the left side frame through the hierarchical index, and dynamically rendering the data according to the hierarchy selected by the user; analyzing and displaying hierarchical path information of the selected entries in the right side frame through path analysis; and dynamically screening and updating entries in the right frame according to a filtering condition input by a user. According to the method, key links such as data loading, path analysis and screening updating are optimized, so that the efficiency and experience of a user when the user selects the tree-shaped structure data with deep and indefinite levels are remarkably improved. And meanwhile, the signal-to-noise ratio of an interface is reduced, the screen effect and the system performance are improved, and a more efficient, convenient and friendly data management tool is provided for a B-end user.

The application provides a high-conductivity graphene power cable processing equipment, and relates to the technical field of cable processing.The equipment comprises two groups of supporting seats, a processing shuttle box, a cooling mechanism, two groups of electrostatic adsorption mechanisms, a wire-erection rolling mechanism and two groups of wire-laying channels.The two groups of supporting seats are symmetrically installed at the two ends of the bottom of the processing shuttle box and are equidistantly arranged along the horizontal direction.The cooling mechanism is arranged outside one end of the processing shuttle box.The two groups of electrostatic adsorption mechanisms are arranged on the upper and lower parts of the end of the processing shuttle box that is far away from the cooling mechanism.The wire-erection rolling mechanism is arranged in the middle of the processing shuttle box.The cooling mode and impurity cleaning mechanism are optimized, the processing quality of the graphene cable is effectively improved, the stability and efficiency of the equipment operation are enhanced, and the equipment is suitable for the large-scale production of high-conductivity graphene power cables.

A rotary shuttle device for embroidery machines using coarse thread includes a shuttle box and a rotary shuttle assembly mounted on the shuttle box. The rotary shuttle assembly includes a coaxially arranged rotary shuttle outer shell and a rotary shuttle inner shell, which rotate independently. The shuttle box drives the rotary shuttle outer shell to rotate, and the shuttle box is provided with a positioning element for positioning the rotary shuttle inner shell. The top of the rotary shuttle inner shell has a bottom thread groove and a coarse thread groove. The positioning element has a positioning block located at the opening of the coarse thread groove, and there is a swing gap between the positioning block and the coarse thread groove to facilitate the swinging of the rotary shuttle inner shell. Compared with the prior art, by setting the positioning block and the driving assembly, the rotary shuttle inner shell can swing during the rotation of the rotary shuttle outer shell, thereby forming the thread gap at the coarse thread groove on one side of the positioning block, and the formation of the thread gap can be adjusted in stages to meet the thread passing requirements of coarse thread.

This utility model provides a shuttle box for animal shuttle experiments, including an outer shell. Inside the outer shell are an experimental chamber and a collection chamber, with the experimental chamber located above the collection chamber. The experimental chamber has a partition inside, and a shuttle channel is formed at the lower part of the partition. A shielding mechanism is provided on the shuttle channel. The shielding mechanism includes a first shielding unit and a second shielding unit, both located on the partition and cooperating with each other. The animal shuttle experiment shuttle of this utility model has a shielding mechanism on the shuttle channel. The shielding mechanism can be opened or closed by controlling the drive motor according to experimental needs, saving manpower and preventing interference with the experimental animals.

The present application relates to embroidery equipment technical field, more specifically to a kind of hybrid embroidery machine, comprising: rack;Slidably connected to the moving seat of rack, moving seat is connected with machine head assembly, and the machine head driving assembly of prompting machine head assembly operation, in the slidably direction of moving seat, machine head assembly includes: the flat embroidery machine head of being spaced apart and fixed to moving seat, disc tape embroidery machine head;One rotating shuttle box is adapted to machine head assembly and set below machine head assembly, so that moving seat can form embroidery mechanism with flat embroidery machine head in opposite position after sliding on rack, or rotating shuttle box can form embroidery mechanism with disc tape embroidery machine head in opposite position;And, rotating shuttle box is drivingly connected with: the rotating shuttle box driving assembly of prompting rotating shuttle in rotating shuttle box operation, and rotating shuttle box driving assembly is independently set with machine head driving assembly.The preferred hybrid embroidery machine of the present application can reduce the required number of shuttle box body, simplify overall structure, realize single shuttle box body adaptation multiple machine head work.

The utility model relates to the technical field of sewing and processing of automobile seats and automobile interiors, and discloses a rotating shuttle box for a leather sewing machine capable of rotating freely, which mainly comprises a lower rotating table device, a transmission device, a tensioning device, a thread clamping device, a sensing device I, a sensing device II, a rotating shuttle device, a rotating shuttle box body and an adapter plate. The lower rotating table device is connected with the lower end of the rotating shuttle box body; the transmission device is connected with the rotating shuttle box body and the adapter plate; the tensioning device is connected with the rotating shuttle box body; the thread clamping device is connected with the rotating shuttle box body through an adapter plate; the sensing device I is connected with the transmission device; the sensing device II is connected with the lower rotating table device and the rotating shuttle box body; and the rotating shuttle device is connected with the transmission device. By means of the design, sewing of lines in any direction is achieved, the rotating speed of the rotating shuttle is higher, working efficiency and product quality are greatly improved, operation is easy and convenient, and maintenance cost is low.

A home computer embroidery machine comprises an assembled frame and a shuttle box mechanism, an embroidery machine head, a linkage mechanism, a thread rack mechanism and an embroidery frame mechanism installed on the assembled frame. A rotary hook and a rotary hook drive assembly are provided in the shuttle box mechanism. The rotary hook drive assembly is connected to the rotary hook and is used to drive the rotary hook to rotate. A thread rack drive shaft is provided in the embroidery machine head and is used to drive the embroidery machine head to move up and down. The linkage mechanism is respectively connected to the rotary hook drive assembly and the thread rack drive shaft. The rotary hook and the embroidery machine head are driven to work through the linkage mechanism, reducing the number of driving parts used to drive the rotary hook and the embroidery machine head, thereby simplifying the overall structure of the home computer embroidery machine and reducing the production cost of the embroidery machine. The embroidery frame mechanism is slidably installed on the assembled frame, and the cloth to be embroidered is moved by moving the embroidery frame mechanism.

A weld cap feed assembly includes an escapement sub-assembly, a diversion sub-assembly, and two or more collet sub-assemblies. The escapement sub-assembly a shuttle box that defines a slot configured to receive an aligned weld cap and includes a shuttle block configured to move within the slot to release the aligned weld cap through an outlet of the escapement sub-assembly. The diversion sub-assembly includes a single inlet that is configured to receive the aligned weld cap from the outlet of the escapement sub-assembly and a connector tube that is configured to receive the aligned weld cap from the single inlet and is movable between and configured to be independently aligned with two or more diversion outlets. Each collet sub-assembly includes an actuator assembly configured to receive the aligned weld cap from one of the two or more diversion outlets and to present the aligned weld cap to a welder.

The utility model discloses a rotating shuttle box of a rotating sewing machine. The rotating shuttle box comprises a rotating shuttle part, a transmission part, a cover part and a needle plate part. The transmission part, the cover part and the needle plate part are fixedly mounted on the rotating shuttle part through screws; the rotating shuttle part is used for integrally assembling the rotating shuttle box structure; the transmission part is used for transmitting kinetic energy generated by the motor to the rotating shuttle; the cover cap part is used for sealing the maintenance hole to ensure that the rotating shuttle cavity is sealed and oil is prevented from splashing; the needle plate part is used for fixing the position of a needle plate hole of a machine needle, and quick-wear parts are convenient to replace. The rotating shuttle box solves the problems that an existing rotating shuttle box body cannot be positioned at a concentric position during splicing, the oil supply amount of the rotating shuttle box is too large, an equipment oil way is damaged, and lubricating oil splashes. Through the design, the working efficiency of equipment is improved, the equipment runs stably, the working environment is clean and tidy, the cost is saved, the whole rotating shuttle box of the rotary sewing machine is convenient to install, and parts are simple.

The invention discloses a shuttle box component interaction method and electronic equipment, and relates to the technical field of front-end development user interface components, and the method comprises the following steps: carrying out target operation on at least one of a search box sub-component, a first list sub-component and a second list sub-component; if the target operation is a selection operation and a deletion operation, synchronously updating a first list sub-assembly displayed in the first view and a second list sub-assembly displayed in the second view; if the target operation is a search operation and a page turning operation, obtaining new element configuration information from a pre-configured data interface, rendering the new element configuration information, updating a first list sub-assembly displayed in the first view according to the rendered new element configuration information, and during the search operation and the page turning operation, updating the first list sub-assembly displayed in the first view; and keeping the second list sub-component displayed in the second view unchanged. The problems of page jamming, interaction delay and the like caused by full-amount rendering in related technologies are solved, and smooth operation of components and improvement of interaction continuity under mass data are realized.

The utility model discloses a screw rod thread trimming device of an embroidery machine, which comprises a screw rod moving device and is connected with a rotating shuttle thread trimming device through a pull rod, the lead screw moving device comprises a lead screw moving box body, a lead screw is arranged in the lead screw moving box body, and one end of the lead screw is connected with a motor through a lead screw transmission device; a sliding block is arranged in the middle of the lead screw, a linear bearing is arranged in the sliding block and connected with a guide rod fixed in the lead screw movable box, and a pull rod shaft is arranged in the sliding block and fixedly connected with a pull rod; the rotating shuttle thread trimming device comprises a rotating shuttle box body, the rotating shuttle box body is provided with a fixed cutter and a movable cutter, and the movable cutter is connected with a pull rod through a thread trimming transmission device. According to the utility model, through the transmission of the lead screw, one pull rod synchronously controls a plurality of thread trimming devices to trim threads synchronously.