24results about How to "Improve seam quality" patented technology

The invention provides a robot-assisted wound suturing method and system based on artificial intelligence, and relates to the technical field of artificial intelligence, and the robot-assisted wound suturing method comprises the steps: obtaining multi-modal perception data of a wound area, constructing multi-modal three-dimensional representation of a wound, and determining a plurality of suturing points based on the multi-modal three-dimensional representation of the wound; for each suture point, calculating a candidate suture point, and for the adjacent suture points, generating a needle tip track of a needle tip in the wound, and sampling on the needle tip track to obtain a suture scheme adapted to the wound form and the tissue attribute; based on the obtained stitching scheme, an optimal control sequence of the stitching robot is obtained, meanwhile, a robust compensation control law is constructed through coordinate transformation and a feedback control law, and the optimal control sequence and the robust compensation control law are integrated into a stitching robot real-time control system; the output of a real-time control system of the suturing robot is converted into an actuator control instruction, and the suturing robot is controlled to assist in wound suturing.

The invention provides a western-style clothes cloth sewing method under structural hierarchy analysis, and relates to the technical field of clothes manufacturing processes, and the western-style clothes cloth sewing method comprises the following steps: cutting and overlapping according to a preset sewing scheme to form an initial structure; performing three-dimensional simulation by using a 3D visual collector to generate an edge position set; planning a stitching path; a self-adaptive tension control system is used for monitoring tension in real time, and the cloth feeding speed and stitch force of the sewing machine are adjusted in a self-adaptive mode; and performing edge sewing on the initial structure through the sewing system according to the sewing path, the cloth feeding speed and the stitch force. The technical problem that in the prior art, due to the fact that elastic fabric is prone to tensile deformation in the sewing process and sewing lines are not uniform, the sewing position deviates can be solved, tailoring is carried out through the preset scheme, three-dimensional simulation is carried out through the 3D visual collector, the edge position is accurately determined, the accuracy of the sewing position is improved, and the sewing efficiency is improved. Therefore, sewing quality and efficiency are improved.

The invention relates to a construction process of a joint occlusion water stop reinforced ultra-deep hectometer-level milling groove ground wall. The construction process comprises the working procedure steps of grooving, groove bottom sediment treatment, reinforcement cage hoisting, guide pipe lowering, bottom sealing concrete pouring, broken stone backfilling, joint box hoisting, overall concrete pouring and the like. Grooving adopts a grabbing and milling combined process and is divided into a first-stage groove section and a second-stage groove section, the first-stage groove is designed to be full-head scutching and two-cutter grooving, H-shaped steel water stop joints are arranged at the two ends of a reinforcement cage, the reinforcement cage is fully wrapped with anti-streaming slurry stop iron sheets, after the reinforcement cage is hung in sections, bottom sealing concrete is poured, broken stones are backfilled and compacted, and pouring is continued to form a wall body. The second-stage groove is designed to be in a full-closed range, three-knife grooving is conducted, and after a wall brushing device is adopted at the joint for wall brushing, remaining procedures are completed. And the first-stage groove and the second-stage groove are constructed in a sequence of a warehouse jumping method, and a continuous wall body is formed in a circulating manner. According to the process, the existing ultra-deep casing milling joint ground wall construction process is innovated, and the problems that the casing milling joint is low in concrete milling speed, poor in water stopping effect, large in reinforcement cage hoisting weight and the like are solved.

The invention discloses a laparoscopic surgery suture device, which relates to the technical field of medical instruments, and comprises a shell, a forceps seat arranged at the front end of the shell, a forceps clip assembly arranged on the forceps seat, and a movable handle, a fixed handle and a reset reed which are arranged at the rear end of the shell, the forceps clip assembly comprises a rotating shaft rotationally mounted on the forceps seat, and a first forceps clip arm and a second forceps clip arm which can be relatively rotationally mounted on the rotating shaft; the forceps clip assembly is provided with a squeezing assembly used for squeezing a notch, and the squeezing assembly comprises a driving part which is installed on the arc-shaped outer wall of the first forceps clip arm and the arc-shaped outer wall of the second forceps clip arm in a mirror image mode; and the driven piece is slidably connected to the first forceps clip arm and the second forceps clip arm, and the bottom surface of the driven piece is fixedly connected with a supporting spring. Effective extrusion of an incision can be achieved in the suturing process, the situation that the incision is sutured only through the pulling force of a suture line is avoided, and therefore the wound closing stability and the healing effect are remarkably improved, and tissue damage is reduced.

The utility model relates to a multifunctional cloth sewing device, and belongs to the technical field of textile machinery, the multifunctional cloth sewing device comprises a sewing table top and a controller fixedly mounted on the sewing table top, and the sewing table top is provided with a sewing mechanism and a pressing mechanism; the sewing mechanism comprises a mounting frame fixedly connected to the sewing table top, a first air cylinder fixedly mounted on the upper side of the mounting frame, a pressing plate fixedly connected with an output shaft of the first air cylinder and a sewing frame arranged below the pressing plate. A plurality of mounting plates are inserted into the inner side of the suture frame, a suture needle is fixedly mounted on the lower side of each mounting plate, and an elastic assembly is arranged between each mounting plate and the suture frame. According to the multifunctional cloth sewing device, the matched sewing needles can be conveniently and rapidly switched according to the sewing requirement of cloth, the adaptability of the sewing device is improved, the sewing device can adapt to cloth of different materials or thicknesses, the sewing efficiency and quality are guaranteed, and the practicability of the device is improved.

The invention provides an intelligent sheet stitching and arranging method and system based on multi-task learning. The method comprises the steps that a sheet file about clothes is acquired; analyzing the original geometric data of each sheet; inputting the original geometric data into a pre-trained evaluation model, and analyzing semantic information and stitching data of each sheet on the same garment; and in modeling software, intelligent stitching between the sheets is carried out based on stitching data, and the sheets are placed at corresponding positions of the virtual model based on semantic information to realize intelligent arrangement of the sheets. According to the scheme, the neural network model is trained based on a large amount of sheet data including stitching data and structural features, effective information on the sheets is fully utilized, and a reference basis with higher quality is provided for intelligent stitching and automatic arrangement of the clothing sheets; the sheet sewing efficiency, the sewing quality and the automation degree of sheet arrangement are improved, and then rapid modeling of a three-dimensional garment model is achieved.

The invention discloses an automatic hemming machine for pillow production, which comprises a bottom mounting assembly, a main mounting assembly arranged on the bottom mounting assembly, a transverse transfer assembly arranged on the front side of the main mounting assembly, a transverse guide assembly arranged on the main mounting assembly, and an auxiliary connecting assembly arranged on the transverse transfer assembly. A moving plate is arranged at the moving part of the transverse guide assembly, a supporting piece assembly is arranged on the transverse guide assembly, a first supporting piece, a second supporting piece, a third supporting piece and a fourth supporting piece are arranged on the bottom mounting assembly, and a sewing and cutting assembly is arranged on the bottom mounting assembly and located between the third supporting piece and the fourth supporting piece. The automatic hemming machine has the advantages that the automatic hemming machine is ingenious in structural design, high in practicability, stable in work and operation and suitable for hemming operation of pillows of different specifications, by means of the automatic hemming machine, the hemming operation efficiency is greatly improved, manual operation is reduced, occupied space is reduced, and meanwhile the hemming quality of products is improved.

The present invention discloses a joint connection structure of a UHPC low-rib bridge deck, wherein the UHPC low-rib bridge deck comprises a UHPC panel and a longitudinal rib fixed to the bottom of the UHPC panel, and the joint connection structure comprises a cast-in-place UHPC connection portion provided at adjacent UHPC panels and a longitudinal rib connection portion provided at adjacent longitudinal ribs. The present invention also provides a steel-UHPC composite bridge, comprising a steel beam and a plurality of split-type UHPC low-rib bridge decks provided on the upper part of the steel beam, wherein the adjacent UHPC low-rib bridge decks are connected into a whole in the longitudinal direction of the bridge through the joint connection structure of the above-mentioned UHPC low-rib bridge decks. The joint connection structure of the present invention has outstanding advantages such as a small number of joints, a low risk of joint cracking, a light dead weight, a high strength, a high assembly rate, simple construction, controllable quality, good durability, and excellent economy.

The utility model relates to the technical field of medical instruments, and discloses a novel digestive endoscope suturing auxiliary device which comprises a handle, a plastic outer sleeve installed at one end of the handle and a telescopic assembly installed on the handle and inside the plastic outer sleeve. The telescopic assembly comprises an operation sliding sleeve, a steel wire and an umbrella-shaped film. The operation sliding sleeve is slidably installed on the handle and fixedly connected with one end of the steel wire in the handle, the steel wire is located in the plastic outer sleeve, and the other end of the steel wire is fixedly connected with the umbrella-shaped film. The umbrella-shaped film slides on the handle through the operation sliding sleeve and can extend out of the end, away from the handle, of the plastic outer sleeve or retract into the plastic outer sleeve. The device is simple in structure and convenient to operate, can effectively solve the problem of lodging of the hemostatic clip in the purse-string suture process, improves the operation efficiency and suture quality, reduces the operation risk and ensures the safety of a patient.

The present invention discloses a longitudinal bridge-direction joint connection structure of a UHPC low-rib bridge deck, wherein the UHPC low-rib bridge deck comprises a UHPC deck and a longitudinal rib fixed to the bottom of the UHPC deck, and the longitudinal bridge-direction joint connection structure comprises a cast-in-place UHPC connection portion provided at the adjacent UHPC deck in the transverse bridge direction and a longitudinal rib connection portion provided at the adjacent longitudinal rib in the transverse bridge direction. The present invention also provides a steel-UHPC composite bridge, comprising a steel beam and a plurality of split-type UHPC low-rib bridge decks provided on the upper part of the steel beam, wherein the adjacent UHPC low-rib bridge decks are connected into a whole in the transverse bridge direction through the longitudinal bridge-direction joint connection structure of the above-mentioned UHPC low-rib bridge decks. The longitudinal bridge-direction joint connection structure of the present invention has the outstanding advantages of a small number of joints, a low risk of joint cracking, a light deadweight, a high strength, a high assembly rate, simple construction, controllable quality, good durability, and excellent economy.

The application belongs to the technical field of fabricated wall construction, and particularly relates to a combined ALC window opening outer wall structure and a construction method, comprising a plurality of adjustable connecting assemblies, a plurality of limiting stoppers and at least one ALC wallboard, pretreatment work such as ALC wallboard anchor planting and flat steel welding is completed on the ground in advance, which maximally reduces the content and time of high-altitude work, and through systematic innovation, the construction safety, installation quality and work efficiency are successfully improved in cooperation, the core of which is to transform high-risk and high-difficulty work at high altitude into a safe and controllable prefabrication process on the ground, and relying on an adjustable, anti-loose and strengthened integrated connecting and positioning system, the drawbacks of traditional methods are fundamentally overcome, and the application has the comprehensive advantages of intrinsic safety, precision and efficiency, firmness and reliability, and provides an advanced solution for the construction of the window opening of the fabricated building outer wall.

The utility model relates to the technical field of zipper sewing machines, and discloses a rapid zipper sewing device which comprises a supporting seat, a sewing machine is arranged at the top of the supporting seat, a sewing adjusting assembly is arranged in the supporting seat, a limiting assembly is arranged at the top of the supporting seat, and the sewing adjusting assembly comprises a limiting groove. The inner wall of the limiting groove is slidably connected with a zipper splicing block, a limiting block sliding groove is formed in the inner wall of the limiting groove, the inner wall of the limiting block sliding groove is slidably connected with a limiting block, and the bottom of the limiting block is slidably connected to the surface of the zipper splicing block. By rotating the rotating handle, the rotating handle drives the two-way threaded rod to rotate on the inner wall of the supporting seat, so that the limiting block slides towards the inner wall of the limiting block sliding groove along the outer wall of the two-way threaded rod, the limiting block is separated from the surface of the zipper splicing block, the zipper splicing block loses limitation, and then the zipper splicing block is replaced. And the flexibility and the applicability of replacing zipper splicing blocks with different sizes are improved.

The rapid overlock device comprises a mounting base, a machine base is fixedly connected to one side of the top of the mounting base, a connecting frame is fixedly connected to the position, located on one side of the machine base, of the top of the mounting base, one side of the connecting frame is fixedly connected with the machine base, and the other side of the connecting frame is fixedly connected with the machine base. The output end of the machine base is fixedly connected with a transmission tooth column, and the end, away from the machine base, of the transmission tooth column is rotationally connected with the inner wall of the connecting frame. According to the rapid overlock device for the flame-retardant and wear-resistant braid, through cooperative arrangement of the first overlock device, the second overlock device, the machine base and the adjusting mechanism, overlock operation can be conducted on the two sides of the braid at the same time, the overlock quality of the braid can be improved, the workload of operators is greatly reduced, the overlock efficiency of the braid is effectively improved, and the practicability is high. Therefore, the production cost of the braid is reduced, and the production requirement of the wear-resistant braid is met.

The utility model discloses a multifunctional delivery metering pad which comprises a first-layer structure, a second-layer structure and a third-layer structure. The first-layer structure is used for being laid under the buttocks of a puerpera and collecting and metering amniotic fluid flowing out during delivery of the puerpera. The second-layer structure is fixed on the first-layer structure and is used for covering the area near the delivery part of the puerpera and collecting and measuring the vaginal bleeding amount of the puerpera after delivery of the baby; and the storage structure is fixed on the second-layer structure and is used for storing gauze required in the delivery process of the puerpera. According to the multifunctional delivery metering pad, the comfort degree of a puerpera is improved, the bleeding amount and amniotic fluid amount can be accurately metered in real time, metering is convenient, postpartum bleeding early warning is convenient, the sterile suture range is guaranteed, anus shielding is convenient, pollution and wound infection are reduced, delivery towels and pad towels which are repeatedly disinfected and used can be abandoned, and gauze can be conveniently collected and counted.

The present application relates to the technical field of medical devices, and discloses a radially retractable absorbable intestinal anastomosis support stent, which comprises a stent body, the stent body is a hollow mesh tube structure, a plurality of mesh holes are arranged on the stent body, and the stent body has elasticity. The stent of the present application adopts an elastic mesh structure, the specification is slightly larger than the inner diameter of the intestinal tube, the elastic constraint of the intestinal wall is utilized to make the final outer diameter consistent, and the seamless fitting and non-supporting and non-collapsing are realized. The present application has uniform structure and is simple to manufacture. The present application is moderately soft and hard, safe and effective, can significantly improve the suturing quality and prevent mis-suturing, can continuously support after operation and prevent stenosis and leakage, does not need a special placement device, is simple to operate, and is suitable for open and laparoscopic operations.

The invention relates to a sewing device for small-size top-sealed radome fabric. The sewing device comprises a workbench, a mounting plate, an assembly core mold and a middle-section sewing mold, the combined core mold consists of four sheet-shaped conical inner molds and is connected with the mounting plate through a flange plate; through holes are uniformly distributed in the center line of each sheet-shaped conical inner mold; one end of the mounting plate is fixedly provided with the combined core mold, and the other end is fixedly provided with the workbench; the middle-section sewing die is of a sheet-shaped arc-shaped structure, a plurality of through holes are evenly distributed in the middle-section sewing die, and the adjacent through holes in the length direction of the middle-section sewing die are communicated to form wire grooves; a plurality of positioning holes matched with the positioning needles in size are further formed in the middle of the middle-section sewing mold in the length direction of the middle-section sewing mold; the outer surface of the assembly core mold is attached to the inner surface of a to-be-sewn preform fabric, and the inner surface of the middle section sewing mold is attached to the outer surface of the to-be-sewn preform fabric and is fixed through a positioning needle; the invention further provides a suturing method using the suturing device. The high-quality sewing machine can achieve high-quality sewing of the fabric with the narrow inner space.

The invention belongs to the technical field of grain filter bag sewing processing, and particularly relates to a dust removal filter bag efficient sewing device based on grain impurity screening processing, the dust removal filter bag efficient sewing device comprises a workbench, a sewing machine body and a sewing machine head, the sewing machine body is arranged at the position, close to one side, of the outer surface of the upper end of the workbench, and the sewing machine head is arranged at one end of the sewing machine body; a sewing table is arranged under the sewing machine head and fixedly connected with the sewing machine body, and a supporting assembly is arranged at the position, located on the right side of the sewing machine head, of the outer surface of the upper end of the workbench. According to different inner diameters of the filter bags, the distances between the multiple sets of supporting strips and the fixing plate are adjusted, the filter bags of different specifications are supported, and the flatness of the filter bags in the sewing process is guaranteed to the maximum extent.

The utility model discloses a film sealer mechanism and the film blowing machine of application thereof applied to film blowing machine relates to film production technical field, including frame, be provided with the cross bar on the frame, be provided with the sliding block on the cross bar slidably, and the clamping block is connected to the sliding block lower extreme, and the clamping block one side is provided with the seal knife, wherein, heating element is arranged in the clamping block, and the clamping block will heat transfer to the seal knife after being heated by heating element, still be provided with the backboard on the frame, and the backboard is opposite to the seal knife and is provided, and the film passes through between the backboard and the seal knife, the utility model discloses through setting up the seal knife to the film and carry out seal, make the upper and lower two layers of film hot melt bonding, and the space in the film is divided into two spaces, thereby satisfy the production demand of making the film bag with two chambers, can reduce production step, improve production efficiency, and cool the seal place after seal and form the shape fast, avoid hot melt bonding place and separate again and occur bonding when winding.

The invention relates to a sewing device for rotary fabric with a narrow cavity. The sewing device comprises a clamping and fixing device, a supporting device and a sewing mold. A supporting device is mounted on an optical axis of the clamping and fixing device and comprises a large supporting plate and a small supporting plate; a sewing mold is mounted between the large supporting plate and the small supporting plate and comprises an inner pressing plate and an outer pressing plate; in the sewing process, the inner pressing plate and the outer pressing plate clamp the to-be-sewn rotary-like fabric in the middle, and the small supporting plate and the large supporting plate are installed at the upper end and the lower end of the rotary-like fabric respectively. The outer pressing plate is provided with an equidistant straight opening groove for a fiber suture line to penetrate through the revolving-like fabric. The invention further provides a suturing method using the suturing device. According to the method, a novel improved lock type sewing mode is adopted to integrally sew the revolving-like fabric, and a method of firstly punching a prefabricated hole and externally penetrating a bottom thread is adopted, so that the problems that the internal space of the fabric is narrow and small and the fabric is difficult to sew are solved, and the interlayer strength of the fabric is improved.

The utility model discloses a wedge-shaped pouring mold. The wedge-shaped pouring mold comprises a feeding hopper and an end sealing plate, the feeding hopper is of a hollow structure, a top opening is a feeding opening, and the side face is a discharging opening. The bottom face of the feeding hopper is designed to be an inclined face so that concrete can flow conveniently. A connecting plate is installed at the discharging port, a sliding groove is formed in the front face of the connecting plate, the end sealing plate can slide into the sliding groove from the lower face of the sliding groove, and installing holes are formed in the four corners of the connecting plate. The utility model has the technical effects and advantages that the concrete joint quality can be obviously improved, the mould has the characteristics of stability, reliability, turnover use and the like, the quality and the appearance quality of a finished product are better after pouring and forming, reworking and repairing are avoided, the construction progress is accelerated, and the construction cost is reduced.

This utility model provides an outdoor tent fabric sewing device, relating to the technical field of outdoor product processing equipment. It includes a workbench with a sewing head fixedly connected to the top right side. A connecting groove is formed on the top left side of the workbench, and a conveying component is fixedly connected to the inner surface of the connecting groove. This utility model utilizes a rotating knob to drive a threaded column, which, through the threaded engagement, causes an annular pressure plate to move downwards via a sliding insert. A ball bearing, under the action of a spring, presses the fabric firmly, ensuring that the lower surface of the fabric is in contact with the rotating ring. An electric motor drives a feeding roller to achieve linear fabric conveying. The drive motor, through a bevel gear, drives the rotating ring to rotate within the annular groove, thereby adjusting the fabric angle. This structure solves the problems of easy fabric shifting and inconvenient angle adjustment in existing devices, making tent fabric sewing more precise, adapting to different sewing angle requirements, and improving operational convenience.

The invention relates to the technical field of building construction, in particular to a prefabricated outer wall abutted seam construction method which comprises the steps that vertical connecting holes are formed in a bottom beam and the bottom face of a first prefabricated outer wall correspondingly; mounting a vertical connecting bolt; smearing an adhesive; one end, coated with the adhesive, of the vertical connecting bolt is inserted into the vertical connecting hole, and after the adhesive is dried, the formwork and the supporting structure are installed, and grouting and joint filling are conducted; judging whether the construction of the horizontal abutted seam meets a preset standard or not according to the transverse limit cracking characteristic value; transverse connecting holes are formed, and transverse connecting bolts are installed; the end, coated with the adhesive, of the transverse connecting bolt is inserted into the transverse connecting hole, and whether construction of the vertical abutted seam meets the preset standard or not is judged according to the amplitude characteristic value of the wall; the splicing construction of the prefabricated outer wall is completed according to the vertical splicing construction method conforming to the preset standard and the horizontal splicing construction method conforming to the preset standard, and the splicing construction quality of the prefabricated outer wall is improved.

The utility model relates to the technical field of sewing equipment, and discloses a trimming and presser foot lifting mechanism for a flat seaming machine, which comprises a sewing mechanism and an auxiliary mechanism, the auxiliary mechanism is movably connected to the surface of the sewing mechanism, the auxiliary mechanism comprises a thread feeding unit and a linkage unit, the thread feeding unit is movably connected to the side surface of the sewing mechanism, and the linkage unit is movably connected to the side surface of the sewing mechanism. The linkage unit is movably connected to the surface of the sewing mechanism. According to the thread trimming and presser foot lifting mechanism for the flat seaming machine, the linkage device can link the thread trimming action and the presser foot lifting action, so that the presser foot is automatically lifted after thread trimming is completed, the position of cloth is adjusted for next sewing, the accuracy and stability of the thread trimming and presser foot lifting actions are ensured, and the sewing efficiency is improved. The thread trimming and presser foot lifting mechanism is driven by the linkage structure, so that the working efficiency of the flat seaming machine is improved, the labor intensity of operators is reduced, the sewing quality is improved, and meanwhile, the mechanism is simple in structure and easy to maintain and has wide application prospects.