37results about How to "Improve sewing precision" patented technology

The invention discloses full-automatic multi-trim-strip sewing equipment. The full-automatic multi-trim-strip sewing equipment comprises a sewing device, wherein the sewing device comprises a multi-needle sewing machine, a trim-strip feeding device, a first work platform, an upper tug assembly and a lower tug assembly. The full-automatic multi-trim-strip sewing equipment is characterized by further comprising a feeding device, and lower tugs of the lower tug assembly are driving wheels. The feeding device comprises a discharging table assembly, a feeding table assembly, pressing foot assemblies, and a pressing foot two-stage driving assembly. A discharging panel of the discharging table assembly is arranged on a discharging shelf in a way of moving front and back, and a feeding table panel of the feeding table assembly is fixedly arranged on a feeding table mounting shelf. The feeding table surface is communicated with a first panel and a discharging panel of the first work platform. The pressing foot assemblies comprise pressure feet. The pressure feet are arranged above the discharging panels, a feeding table panel, and the first panel in a way of moving left and right through the pressing foot two-stage driving assembly, and are used for delivering fabric of to-be-sewed trim-strips located on the discharging panel to the first panel through the feeding table panel after pressing the fabric.

The invention discloses a full-automatic sleeping bag sewing machine which comprises a machine frame, a machine head capable of moving in the X direction, a platen, a machine frame cross beam, an automatic sewing frame which is mounted on the platen and can move in the Y direction, and a computer control box mounted on one side of the machine frame cross beam. The platen and the machine frame cross beam are mounted on the machine frame. The machine head is fixedly connected to a cantilever structure composed of a machine head upper horizontal beam, a machine head vertical beam and a machine head lower horizontal beam. The bottom of the machine head lower cross beam is provided with a screw rod nut and two linear guide rail seats. The machine frame is provided with a screw rod which is in transmission connection with the screw rod nut, and the machine frame is further provided with two linear guide rails which are in matched connection with the two linear guide rail seats. The screw rod and the two linear guide rails are all arranged in the X direction, and the end of the screw rod is in transmission connection with an X-direction motor which is fixed on one side of the machine frame. Through the mode, the overall structural size of the machine is small, the length is reduced by a half compared with an existing machine model, and the overall stability of the machine and the sewing precision of the machine are improved.

The invention relates to the technical field of disposable anastomats, in particular to a disposable internal opening cutting and enclosing anastomat. The disposable internal opening cutting and closing anastomat comprises a cutting molding assembly, a transmission assembly and a gun body provided with a triggering assembly, wherein the cutting molding assembly comprises a nail cabin bracket, a scalpel support ring, a nail pressing seat, a nail pushing device, a nail cabin support and a nail cabin; the nail cabin is clamped in a clamping groove of the nail cabin support through a buckle; the nail cabin support is directly connected with the gun body through the transmission assembly; the head of the nail cabin is circular-arc-shaped or parabolic; nail grooves of the nail cabin are of asymmetrical mode; the transmission assembly comprises a transmission lead screw; the lead screw is a large-screw-pitch left-handed lead screw; the tail end of the lead screw is connected with a corresponding lengthened nut assembly; the lengthened nut assembly and a knob positioned at the tail end of the gun body are molded together by injecting or embedded together; the gun body is a lever type or connecting-rod-type gun body. The disposable internal opening cutting and enclosing anastomat is skillful in design, and has a good application prospect; by adopting the disposable internal opening cutting and enclosing anastomat, a plurality of use problems in the prior art can be solved effectively.

In this invention, a small presser foot elastically pressing a fabric on the downstream side of a sewing direction of a needle location hole against moveable feed dogs on the top face side of a needle plate is mounted, a pair of right and left rotors and elastically pressing the fabric against the moveable feed dogs by the peripheral lower ends and are provided, and the straight line distance along the sewing direction between the peripheral lower ends and of the pair of right and left rotors and the pressing portion of the small presser foot is reduced as much as possible to the extent that there is no interference with operation. Accordingly, this invention is able to reliably, smoothly and uniformly feed fabric without necessitating the trouble of applying oil when sewing the less smooth fabric and easily carrying out a curve stitch and a fancy stitch.

The invention relates to the technical field of strip steel rolling, in particular to a control method and equipment for suturing and centering thin strip steel for a continuous annealing furnace. According to the control method and equipment, centering devices and side measuring devices are respectively adopted in the front and the back of suturing equipment, the centering devices are mainly used for detecting whether the center position of the strip steel moving forwards and the center position of the strip steel moving backwards are located in the center position of a unit, and the side measuring devices are mainly used for detecting whether the strip steel moving forwards and the strip steel moving backwards are placed right, namely whether the center line of the strip steel is parallel with the center line of the unit; a horizontal-moving hydraulic cylinder and a rotating hydraulic cylinder are respectively installed in front and back of the suturing equipment, the strip steel in front of the suturing equipment and the strip steel in back of the suturing equipment can be placed right and centered through cooperation between a first correction roller and a second correction roller, the suturing accuracy can be improved greatly, the strip breakage risk of the unit is lowered, and production is more smooth. According to the control method and equipment, the technical problems that existing control methods are poor in suturing accuracy and the strip breakage risk exists especially when the strip steel in front and the strip steel in back are different in width are solved.

The invention discloses kangaroo pocket sewing equipment. The kangaroo pocket sewing equipment comprises a workbench assembly and a sewing assembly. The workbench assembly comprises a rack and a workbench plate. The workbench plate is horizontally and fixedly arranged on the rack. The sewing assembly is arranged on the right portion of the rack. The kangaroo pocket sewing equipment is characterized by further comprising an edge folding assembly, an edge folding driving device, a pocket-shaped plate assembly, a pocket-shaped plate driving device, a frame pressing device and a frame pressing driving device. The edge folding assembly cooperates with the pocket-shaped plate assembly to fold the edge of pocket cloth. The edge folding driving device drives the edge folding assembly to move up and down, and the pocket-shaped plate driving device drives the pocket-shaped plate assembly to move up and down and back and forth. The frame pressing device is used for conveying the folded pocket cloth and bodice cloth to the sewing assembly for sewing, and the frame pressing driving device drives the frame pressing device to move up and down, front and back and left and right.

The invention provides a cutter template sewing machine, and belongs to the technical field of sewing machines. The cutter template sewing machine solves the problem that existing sewing machines cannot be adopted to process curve stitches and are small in processing range. The cutter template sewing machine includes a machine head, a first driving source, a second driving source, a third driving source, a fourth driving source, a fifth driving source, a lever shifting mechanism, an abutment mechanism, a cutter mechanism and an external presser foot mechanism; a drawing wheel is arranged below the head of the machine head, the machine head is internally provided with a lifting pressing mechanism, and the lifting pressing mechanism is connected with the drawing wheel; the first driving source is connected with the lever shifting mechanism; the second driving source is connected with the abutment mechanism and can drive the abutment mechanism to abut against the side portion of a template; the third driving source is connected with the cutter mechanism and the external presser foot mechanism; the fourth driving source is connected with the cutter mechanism; the fifth driving source is connected with the cutter mechanism. The cutter template sewing machine has the advantages that the template can rotate, and the processing range is widened at the same time.

The invention belongs to the technical field of garment molds, and particularly relates to a suit front piece sewing combined template which comprises a main bottom plate, a chest dart plate and an inserted line bottom plate which are sequentially and movably arranged from bottom to top, the chest dart plate comprises a chest dart bottom plate and a chest dart cover plate, and the chest dart bottom plate and the chest dart cover plate are movably connected; the chest dart plate is formed when the chest dart cover plate and the chest dart bottom plate are unfolded, and a chest inserted line cover plate and a waist inserted line cover plate are sequentially and movably arranged above the inserted line bottom plate; the chest dart cover plate, the chest dart bottom plate and the main bottom plate are sequentially provided with chest dart line grooves in a penetrating mode, the chest embedded line cover plate, the embedded line bottom plate, the chest dart plate and the main bottom plate are sequentially provided with chest pocket embedded line grooves in a penetrating mode, and the waist embedded line cover plate, the embedded line bottom plate, the chest dart plate and the main bottom plate are sequentially provided with waist pocket embedded line grooves in a penetrating mode. The combined template has the advantages that sewing of the breast dart, the breast pocket inserted lines and the waist pocket inserted lines and splicing sewing of the front face and the front piece are ingeniously achieved on the combined template, operation is convenient and fast, production efficiency is improved, and production cost is reduced.

The invention discloses a cloth strip hemming auxiliary device and relates to the technical field of garment production. The main body of the device is a straight metal board which is trapezoid, the two sides of the trapezoid straight metal board are curved to be in the shape of a hook towards the same side, the shorter end of the straight metal board is connected with an installation board, and two strip-shaped sewing ports are formed in the installation board. The device has the advantages that the structure is simple, the design is novel, the hemming sewing points of a cloth strip are effectively guided by means of the trapezoid clamping board, sewing accuracy is high, production efficiency is high, using is convenient, practicality is high, and promotion is convenient to achieve.

The invention discloses a dual-lead-screw synchronous drive zero-latency full-automatic single-end sewing machine which comprises a bridge-type frame rack, a platen located below a rack crossbeam in the middle of the rack, a rack crossbeam X-direction guide rail, a Y-direction working set A located on the tabletop, a Y-direction working set B, a Y-direction driving device, a machine head assembly, an X-direction lower transmission lead screw, an X-direction transmission lead nut, an X-direction sliding guide rail, an X-direction upper transmission lead screw and a synchronous belt. The rack crossbeam X-direction guide rail and the X-direction upper transmission lead screw are installed on the rack crossbeam in the X direction. The synchronous belt is located on one side of the rack to be connected with the X-direction upper transmission lead screw and the X-direction lower transmission lead screw, and synchronous rotation of the X-direction upper transmission lead screw and the X-direction transmission lead screw is ensured. The dual-lead-screw synchronous drive zero-latency full-automatic single-end sewing machine is operated slightly in the X direction, stable and reliable in operation, good in rotating shuttle and machine head synchronism, strong in generality, free of vibration, high in sewing precision, and low in installation and maintenance difficulty.

The invention discloses a middle seat of a sewing machine, and belongs to the technical field of design of sewing machine parts. The middle seat comprises a mounting plate, a shell and a clamping seat, wherein the whole middle seat of the sewing machine is obtained by casting; the clamping seat is located on the left side of the mounting plate, and a gap is reserved between the clamping seat and the mounting plate; the shell is located on the right side of the mounting plate; the clamping seat, the mounting plate and the shell form a whole; the upper surface of the shell is a casting surface and does not need to be machined; both the bottom surface and the side surface of the shell are combination surfaces, so that the precision requirement is high, and the bottom surface and the side surface need to be milled and formed on a milling machine. According to the middle seat of the sewing machine, the transmission precision of the sewing machine can be improved favorably, and the phenomenon that the sewing machine is blocked by impurities, such as thread ends and shreds, entering the sewing machine in a sewing process is effectively prevented; an enough space for accommodating transmission parts is reserved in the shell, and no interference with other components of the sewing machine is avoided; all the parts in the shell have enough high shape and position precision.

The invention relates to the technical field of sewing equipment, in particular to a cloth pressing and rotating mechanism of a full-automatic sewing unit. The purpose is to solve the problems of lowefficiency and poor precision of manual control of rotary sewing in the prior art. According to the technical scheme, the mechanism comprises a speed reducer mounting seat; a speed reducer and a motorseat are arranged on the upper surface of the speed reducer mounting seat in sequence from bottom to top; a motor is connected to the motor seat; a shaft sleeve is in the step column shape; the largediameter end of the shaft sleeve is fixedly arranged on a shaft of the motor; the small diameter end of the shaft sleeve is arranged in the motor seat and is in transition fit with a gear sleeve of the speed reducer; the lower surface of the speed reducer mounting seat is connected with a bearing seat; a bearing is in interference fit with the interior of the bearing seat; a connecting sleeve isin interference fit with the bearing and is fixed on the shaft of the speed reducer; a connecting rod is fixed to the lower surface of the connecting sleeve; and a cloth pressing plate is fixedly arranged at the bottom of the connecting rod.

The invention relates to a collar pressing die, collar sewing equipment and a collar sewing method. The collar pressing die comprises a base, a first outer side pressing piece, a second outer side pressing piece and a middle pressing piece. The first outer side pressing piece, the second outer side pressing piece and the middle pressing piece are all movably connected to the base, and the first outer side pressing piece and the second outer side pressing piece are located on the two sides of the middle pressing piece correspondingly. The first outer side pressing piece is provided with a first straight edge pressing part and a first bevel edge pressing part. The second outer side pressing piece is provided with a second straight edge pressing part and a second bevel edge pressing part. By adopting the collar pressing die, the sewing precision of a collar can be effectively improved. And meanwhile, during sewing, a worker does not need to perform sewing while aligning, so that the working intensity of the worker can be effectively reduced.