20results about How to "Improve sewing effect" patented technology

The present invention discloses a polyester core-spun yarn and a production method and application thereof, and belongs to the field of textile technology. The present invention proposes a polyester core-spun yarn, which comprises 65-70% polyester filaments and 30-40% super-bright polyester fibers in terms of mass percentage, wherein the super-bright polyester fibers wrap the polyester filaments. The present invention also proposes a production method for the polyester core-spun yarn, which sequentially comprises a carding process, a drawing process, a roving process, a spinning process and a self-winding process; wherein, in the spinning process, the polyester filaments are drafted, and at the front roller of the drafting zone, the polyester filaments passing through the guide wheel are used as core yarns, and are wrapped in the super-bright polyester fibers for twisting. The polyester core-spun yarn has good joint strength and excellent core wrapping.

The invention belongs to the technical field of garment processing devices, and particularly relates to a garment pattern sewing machine which comprises a base and further comprises four universal wheels fixedly mounted at the four corners of the bottom of the base respectively. The bottom end of the lifting inner frame is fixedly installed at the top of the base, the lifting inner frame is slidably sleeved with a lifting outer frame, and a table top is fixedly installed at the top of the lifting outer frame; the lifting assembly is arranged at the top of the base, and the lifting assembly is matched with the table top; the machine body is fixedly mounted at the top of the table board; by means of the simple structure, automatic clamping of cloth and flattening operation after clamping are achieved, manual operation of personnel is not needed, the cloth fixing and flattening efficiency is greatly improved, the cloth sewing efficiency and effect are improved, operation is convenient, time and labor are saved, and practicability is high.

The utility model belongs to the technical field of pillowcase production, and particularly relates to a feeding structure of a sewing machine for pillowcase production, which comprises a sewing machine table and a mounting table, two ends of the sewing machine table are respectively provided with two clamping grooves, a mounting mechanism is arranged in the mounting table, and two sides of the upper end of the mounting table are respectively provided with a limiting plate. A sliding seat is slidably connected between the two limiting plates, two fixing frames are symmetrically mounted at the upper end of the sliding seat, a bearing table is slidably connected to the two fixing frames, an adjusting mechanism is arranged on the sliding seat, and a screw rod is rotatably connected into one of the limiting plates. Through the arrangement of the mounting mechanism, the mounting table can be conveniently mounted on a sewing machine table plate, the purpose of conveniently feeding and sewing pillowcases is achieved, and the pillowcase feeding and sewing device is convenient to disassemble, assemble and use and convenient to disassemble and assemble; the screw rod is driven to rotate through the driving motor, the sliding seat is driven to slide on the limiting plate, and the position of the bearing table can be transversely and vertically adjusted in cooperation with the arrangement of the adjusting mechanism.

The utility model provides a clothing beltloop sewing mould which comprises a bottom mould plate, a clamping mould plate and a sealing mould plate, the clamping mould plate is clamped between the sealing mould plate and the bottom mould plate, the bottom mould plate, the clamping mould plate and the sealing mould plate are provided with sewing openings penetrating up and down, a clothing main body is clamped between the bottom mould plate and the clamping mould plate, and the sewing openings penetrate through the bottom mould plate and the clamping mould plate. A loop is clamped between the sealing template and the clamping template and / or the bottom template, the clamping template and / or the bottom template are / is provided with a plurality of loop position parts for placing the loop, sewing is performed along the sewing opening, and the loop and the clothes and trousers main body are sewn into a whole. According to the utility model, the waist opening of the clothes and trousers main body is clamped between the clamping template and the bottom template to be fixed, then the beltloop is positioned and placed through the beltloop position part, the beltloop is clamped between the sealing template and the clamping template to be fixed, and then rapid sewing is carried out from the sewing opening, so that the beltloop positioning is accurate, the beltloop sewing effect is good, and the production efficiency is improved. And the sewing efficiency is improved.

This invention discloses a bird's nest-preventing thread-cutting mechanism for a sewing machine, comprising a lower shaft front sleeve inside the sewing machine base, a lower moving blade and an upper moving blade rotatably mounted on the outside of the lower shaft front sleeve, an auxiliary moving blade and a driver for driving the movement of the auxiliary moving blade are slidably mounted inside the sewing machine base; the auxiliary moving blade is located on one side of the lower moving blade, and the blade of the auxiliary moving blade faces downwards from the needle drop point; the lower moving blade has a starting thread hole and a first thread-cutting blade distributed in a clockwise direction; when the first thread-cutting blade is below the needle drop point, the driver drives the auxiliary moving blade to move until the blade of the auxiliary moving blade engages with the first thread-cutting blade, so that when cutting the thread, the auxiliary moving blade and the lower moving blade can be driven to move below the needle drop hole to cooperate in cutting the thread end, achieving an ultra-short thread end at the starting point of the sewing and improving the sewing effect.

The utility model provides a thick and thin material detection device of a sewing machine, which comprises a machine shell, a Hall sensor fixed on the machine shell through a sensor support is arranged in the machine shell, and magnetic steel connected with a pressing rod guide frame through a magnetic steel support is arranged in the machine shell. According to the sewing machine applying the thick and thin material detection device, the pressure of the presser foot can be automatically adjusted in real time according to the thickness change of the sewing material, and the working mode of the sewing machine can be adjusted according to the thickness change of the sewing material, so that when sewing materials with different thicknesses are sewn, the problems of no ridge crossing, thin material wrinkling, thick material stitch skipping or thread breaking and the like are not prone to occurring, and the sewing efficiency is improved. The sewing machine with the thick and thin material detection device has the advantage of being good in sewing effect.

The utility model relates to a flat seaming machine with a tensioning mechanism, which belongs to the technical field of flat seaming machines and comprises a working table, a flat seaming machine head, a limit frame, a material pressing frame and a jumping needle, the flat seaming machine head is fixedly mounted at the top of the working table, the bottom of the limit frame is fixed at the top of the working table, and the top of the material pressing frame is fixedly mounted on the flat seaming machine head. The top of the skipping needle is installed on the flat seaming machine head, the bottom of the skipping needle is located inside the lower portion of the material pressing frame, the top of the workbench is fixedly provided with a sewing material surface cleaning and smoothing assembly, the sewing material surface cleaning and smoothing assembly is located on one side of the flat seaming machine head, and the other side of the flat seaming machine head is fixedly provided with a lead tensioning assembly. The device is simple in structure and convenient to use, ensures certain tightness and stability of the lead during sewing, can avoid winding of the lead, can clean and smooth the two faces of sewing materials with different thicknesses at the same time, avoids the problem that the production quality is affected by wrinkles on the surfaces of the sewing materials, and is high in practicability.

The utility model relates to the field of sewing machines, and discloses a pattern sewing machine welt disc which comprises a supporting column, a fixing seat is fixedly connected to the outer surface of the supporting column, a fastening screw is connected to the lower surface of the fixing seat in a screwed mode, and a supporting disc is fixedly connected to the portion, located above the fixing seat, of the outer surface of the supporting column. A limiting ring is fixedly connected to the upper surface of the supporting disc, a square groove is formed in the outer surface of the limiting ring in a penetrating mode, a sleeve is rotationally connected to the position, located above the supporting disc, of the outer surface of the supporting column, a plurality of fixing blocks are fixedly connected to the outer surface of the sleeve, and adjusting blocks are slidably connected to the side surfaces of the fixing blocks; a fixing rod is fixedly connected to the upper surface of the supporting disc, a connecting sliding block is slidably connected to the side surface of the fixing rod, and a limiting rod is rotatably connected to the side surface of the connecting sliding block; the device can be stably suitable for the welt cloth barrels with different pipe diameters, and the welt is prevented from loosening and shifting, so that the sewing quality is improved.

The utility model relates to the technical field of curtain fabric processing, in particular to curtain fabric compression molding equipment. According to the utility model, a plurality of wrinkles can be simultaneously sewn on the curtain fabric, the sewing speed of the wrinkles of the fabric is greatly improved while manpower is saved as much as possible, and the wrinkle forming efficiency of the curtain fabric is improved. The device comprises a bottom frame, a fixing frame, an electromagnet I and the like, a fixing frame is arranged on one side of the upper portion of the bottom frame. Curtain cloth needing to be subjected to wrinkle pressing is manually placed on the bottom frame, the second electromagnet and the iron plate can clamp the cloth, the iron rod pulls the cloth into a plurality of U shapes, the magnetic block can jack up the iron rod, the lowest points of the U-shaped positions of the cloth are folded upwards, the sewing needles sew the cloth, and therefore multiple wrinkles of the curtain cloth can be sewn at the same time; the sewing speed of cloth folds is greatly increased while manpower is saved as much as possible, and the forming efficiency of the folds of the curtain cloth is higher.

This application provides an automatic powder applicator and sewing equipment. The automatic powder applicator includes a powder box and a traction device located on one side of the powder box. The traction device is used to pull out a support strip wound on a material cylinder. The powder box has a receiving space and an inlet and an outlet communicating with the receiving space. The receiving space is used to hold lubricating powder. The inlet is used for the pulled-out support strip to enter the receiving space. The outlet is used for the pulled-out support strip to pass through the receiving space to adhere lubricating powder. The automatic powder applicator achieves automated control of lubricating powder adhesion to the pulled-out support strip, saving labor costs and improving work efficiency compared to manually adhering lubricating powder to the support strip; the lubricating powder is placed in the powder box, preventing waste and significantly improving the effective utilization rate of lubricating powder, thus saving lubricating powder costs.

The sewing machine comprises a sewing machine body, the sewing machine body is provided with a machine base, a sewing machine head and a rotating shuttle assembly, an extension arm is arranged on the machine base, and a front section main shaft, a rear section main shaft, a front section auxiliary shaft and a rear section auxiliary shaft are arranged on the sewing machine body; the front end of the rear-section main shaft is in transmission connection with the rear end of the front-section main shaft through a first synchronous belt transmission device; the front end of the rear section countershaft is in transmission connection with the rear end of the front section countershaft through a second synchronous belt transmission device; the end, away from the machine base, of the extending arm extends to be provided with a turning piece, the turning piece comprises a first connecting part and a second connecting part, and an avoiding position is defined by the machine base, the extending arm and the first connecting part. Therefore, compared with a matching mode of a protrusion and a groove, during sewing work, sliding is avoided, the accurate transmission ratio is achieved, the transmission efficiency is high, it is guaranteed that the sewing needle pitch is uniform, the sewing quality consistency is good, the working process of the sewing machine head is more stable, and the buffering effect is softer.

The utility model relates to the field of storage bag processing, and discloses an edge sewing device for storage bag processing, which comprises a base, the top end of the base is fixedly connected with an equipment bracket, the bottom of the equipment bracket is provided with a sewing machine, the front side of the equipment bracket is fixedly connected with a fixed bracket, and the left side of the fixed bracket is provided with an electric turntable; the left side of the electric turntable is fixedly connected with a connecting assembly, the left side of the electric turntable is fixedly connected with an electric push rod, the telescopic end of the left side of the electric push rod is fixedly connected with a sliding sleeve, the periphery of the sliding sleeve is provided with a fillet sliding groove, and the interior of the fillet sliding groove is slidably connected with the connecting assembly. According to the utility model, the scissors fork arms, the sliding sleeve, the fixed cylinder and the opening electric push rod are arranged, so that the supporting plate is contracted or expanded, the storage bags with different diameters can be conveniently expanded only by using one group of electric push rods, the storage bags are synchronously expanded, the distance between the storage bags and the sewing machine is fixed, and the sewing effect is better.

The invention discloses a material frame supporting device, a control method, equipment, a template machine and a readable storage medium, and relates to the technical field of sewing equipment. The first coil assembly and the second coil assembly are both connected with the controller; the top of the bedplate bracket is connected with a bedplate of the sewing template machine; the top of the material frame support is connected with a material frame module of the sewing template machine, the material frame support is provided with a first magnetic part, and a first coil assembly and a second coil assembly are distributed on the two opposite sides of the first magnetic part respectively; the first coil assembly and the second coil assembly act together with the first magnetic part based on working current provided by the controller, so that the material frame support moves in the vertical direction, and the suspension height of the material frame module relative to the platen is adjusted. According to the template sewing machine, the sewing efficiency and the sewing effect of the template sewing machine can be improved.

The utility model discloses a redundancy mechanism for a patch pocket machine, which comprises a first pressure plate, a first retainer plate and a retainer worktable, and is characterized in that the first pressure plate is connected with a first cylinder, a cylinder body of the first cylinder is mounted on a first moving plate, the first moving plate is connected with a second cylinder, and the second cylinder is mounted on the retainer worktable. A cylinder body of the second cylinder is mounted on the first mounting plate; the first retainer plate is mounted on the front side of the retainer plate worktable, a second moving plate is arranged below the retainer plate worktable, a third air cylinder is arranged on the second moving plate, and a driving rod of the third air cylinder is connected with the retainer plate worktable. The second air cylinder drives the first material pressing plate to move to the position above the first material supporting plate, the first air cylinder drives the first material pressing plate to downwards press the large body fabric, the third air cylinder drives the material supporting workbench to downwards move, the material supporting workbench drives the first material supporting plate and the first material pressing plate to clamp the large body fabric, and the middle of the large body fabric is driven to be folded downwards to form redundancy. And the sewing effect of the pocket mouth is optimized.

The invention provides a knee leaning device control method of a sewing machine. The knee leaning device control method comprises the steps that rotation sampling data and the current knee leaning height of a knee leaning device are obtained; calculating a difference value between the rotation sampling data and the historical rotation sampling data; calculating an instruction height corresponding to the rotation sampling data according to the rotation sampling data; if the height difference between the instruction height and the current knee leaning height is larger than the preset debugging coefficient height difference, the corresponding actual stepping motor position is calculated according to the instruction height, and a stepping motor of the knee leaning device is controlled to operate based on the actual stepping motor position. The position of the stepping presser foot is controlled in a mapping mode through the rotation sampling data of the knee leaning device, the motion linearity of the stepping motor is improved, stable operation of the stepping motor is guaranteed, and therefore the sewing effect and the sewing efficiency can be improved. The invention further provides a knee leaning device control system of the sewing machine, a computer readable storage medium and an electric control knee leaning device applied to the sewing machine, which have the above beneficial effects.

The utility model provides a double crank mechanism embroidery machine head relates to sewing embroidery technical field, including the casing, be equipped with the presser foot drive crank in the casing, the presser foot drive crank is connected with needle bar drive crank through same transmission shaft fixedly. Adopt double crank mechanism respectively simultaneously drive needle bar main part and presser foot main part, can make both sides keep a balanced state of opposition in the movement, the movement between two cranks can offset each other axial centrifugal swing, effectively control the vibration produced in axial, reduce the vibration and noise produced when equipment works. Through the coordinated transmission between control connecting rod, make presser foot main part cloth time meet the cooperation between the sewing mechanism, effectively improve the sewing performance. Through a plurality of connecting rod transmission, make presser foot main part and needle bar main part's movement more coordinated, in the both separation and contact instant is in the same speed state, reduce the vibration produced between the impact when mechanism movement, reduce noise and improve the sewing quality.

The application provides a sewing machine with adjustable fabric penetrating stroke and a control method thereof. The sewing machine with adjustable fabric penetrating stroke comprises a main shaft, a needle bar, a connecting column fixed on the needle bar, a needle bar connecting rod, an adjusting driving motor, an eccentric part fixed on the end of the main shaft, a stroke adjuster, and a stroke adjusting assembly. One end of the needle bar connecting rod is hinged to the connecting column. The eccentric part is provided with an eccentric shaft part eccentric to the rotation center of the main shaft. The stroke adjuster is rotatably installed on the eccentric shaft part. The adjusting driving motor is connected to the stroke adjuster through the stroke adjusting assembly. The other end of the needle bar connecting rod is hinged to the stroke adjuster. The connecting points of the stroke adjuster and the stroke adjusting assembly, the connecting points of the stroke adjuster and the eccentric shaft part, and the connecting points of the stroke adjuster and the needle bar connecting rod are distributed in dislocation. The application can switch different fabric penetrating strokes on a single sewing machine to achieve better sewing effect, expand the sewing adaptation range of the single sewing machine, and improve the use experience of the whole machine.

The utility model discloses a material pressing mechanism of a pocket mouth sewing machine, which comprises a material pressing mounting seat, the material pressing mounting seat is provided with a liftable material pressing plate, the material pressing plate is provided with a pocket mouth cutting groove, and a first clamping plate and a second clamping plate which can be opened and closed are arranged at the pocket mouth cutting groove; a first air cylinder used for driving the first clamping plate to do opening and closing motion and a second air cylinder used for driving the second clamping plate to do opening and closing motion are arranged on the material pressing plate. A first material clamping plate and a second material clamping plate which can be opened relative to the material pressing plate are arranged at the bottom of the material pressing plate, and the material pressing plate is provided with a first material clamping air cylinder used for driving the first material clamping plate to do opening and closing motion and a second material clamping air cylinder used for driving the second material clamping plate to do opening and closing motion. The pressing plate is provided with a first clamping groove, a third clamping plate capable of moving front and back is arranged at the first clamping groove, and the pressing plate is provided with a third clamping air cylinder used for driving the third clamping plate to move front and back. The first material clamping plate is provided with a second material clamping groove corresponding to the first material clamping groove in position.

The utility model provides a thread separating piece of a sewing machine and the sewing machine, and belongs to the technical field of sewing equipment. The branching sheet comprises a first sheet body, a second sheet body is arranged on one side of the first sheet body, the second sheet body extends from top to bottom, and when the first sheet body is installed on a machine shell, the second sheet body is located on one side of a rotating shuttle. The second piece body of the thread separating piece extends from top to bottom and is closer to a rotating shuttle, the second piece body can block overlong upper threads, the thread protecting effect is achieved, throwing points are prevented from appearing on a sewing track on fabric, and the sewing effect is improved.

The utility model relates to the technical field of textile, and discloses a garment sewing machine with a thread breaking function, which comprises a bottom box, a support sleeve is fixedly mounted on the outer side of the bottom box, a sliding rail is fixedly mounted on the outer side of the bottom box, a brush rod is slidably mounted on the outer side of the sliding rail, and a thread breaking mechanism is mounted on the brush rod. A reciprocating assembly and a movable assembly are arranged on the outer side of the bottom box, the reciprocating assembly comprises a fixing plate, and the fixing plate is fixedly installed on the outer side of the supporting sleeve. According to the garment sewing machine with the thread breaking function, in order to enable the device to have a better sewing effect and can automatically cut thread residues, a reciprocating assembly is arranged and is matched with a motor to start to enable a special-shaped block to start to rotate, so that a fixing sleeve starts to do reciprocating motion; meanwhile, a fixing rod is matched to enable a cylinder to start moving to drive a sewing needle to start sewing clothes, and after sewing is completed, two sets of cutting knives are controlled to be close to each other through a system, so that thread residues are cut, and the self-cutting effect is achieved.