11results about How to "Improve sewing precision" patented technology

The present invention belongs to the technical field of sewing equipment, and specifically is an automatic sewing production equipment for textile cotton sheets, including a machine base, a sewing assembly and a loading assembly; a mounting groove is provided on the upper side of the machine base; the loading assembly includes a loading platform; a movable seat is slidably connected inside the mounting groove; a rotating shaft is rotatably connected to the surface of the movable seat; a screw rod 2 is rotatably connected inside the mounting groove; and a group of guide rods are fixedly connected inside the mounting groove. The screw rod 2 is controlled to rotate by the motor 2 to drive the movable seat and the loading platform to move toward the slide seat, and then the top plate is controlled to descend by the electric telescopic rod, and then the motor 1 controls the screw rod 1 to rotate, driving the slide seat to move horizontally, and the side edges of the nursing pad are sewed and sealed by the sewing machine head, and then the movable seat and the loading platform are controlled to move away from the slide seat by the motor 2, and then the loading platform is controlled to rotate 90 degrees by the driving device, and then the above steps are repeated to complete the sewing and sealing of the four sides of the nursing pad in sequence.

The utility model discloses a high-precision fabric sewing device, and belongs to the field of sewing devices. Comprising a sewing machine body, a pushing mechanism and a guiding mechanism, the pushing mechanism comprises a pair of U-shaped frames fixed to the fabric output side of the sewing machine body, the U-shaped frames are arranged side by side, sliding blocks are embedded in the U-shaped frames, a pushing roller is rotationally installed between the sliding blocks, and the guiding mechanism is arranged on the pushing roller. A first motor used for driving the pushing rollers to rotate is installed on one sliding block. The guiding and conveying mechanism comprises a pair of fixing shell arms fixed to the fabric feeding side of the sewing machine body, the fixing shell arms are arranged side by side, a pressing plate is arranged between the pair of fixing shell arms, and the end of the pressing plate is provided with a protruding plate embedded into the fixing shell arms in a sliding mode. Through pushing and elastic force abutting and guiding of the fabric, accumulation of the fabric after sewing is avoided, the fabric can be tightened before sewing, and therefore the sewing precision of the fabric is improved.

The invention provides a disposable fibrous ring stitching instrument, and relates to the technical field of medical instruments. The stitching instrument comprises a handle shell, a stitching assembly, a transmission assembly and a driving assembly, and the transmission assembly is located in the handle shell and connected with the driving assembly to drive the stitching assembly. The suturing assembly comprises a needle tube, a puncture needle and a thread needle, the needle tube is fixed at the front end of the handle shell, and fixing plates are arranged at the tail ends of the puncture needle and the thread needle respectively and can slide in the handle shell. The driving assembly comprises a trigger and a side key, the trigger controls the needle to move, the side key controls the puncture needle to move, and therefore puncture and suture operation is achieved. The transmission assembly comprises a side sliding block, a duplicate gear, a transmission rack and a driving rack, the side key is used for driving the side sliding block to slide downwards and driving the puncture needle, and the trigger controls the needle to penetrate. According to the invention, the convenience of single-hand operation is realized, the man-machine engineering design is optimized, the operation steps are simplified, and the device is suitable for repairing the annulus fibrosus in minimally invasive surgery and has higher clinical application value.

This invention discloses an auxiliary positioning device, equipment, and process for sewing elastic waistbands, relating to the field of garment manufacturing technology. The device includes a base plate and a cover plate. The base plate has fixing mechanisms at both ends for securing the ends of the taut elastic band. The base plate has a first stitching groove, and the cover plate has a second stitching groove. Both the first and second stitching grooves are U-shaped reciprocating bending grooves, extending along the length of the elastic band. When the cover plate is closed, the first and second stitching grooves correspond. This device assists workers in sewing elastic waistbands, simplifying operation, reducing operational difficulty, lowering worker skill requirements, improving sewing accuracy, ensuring workmanship consistency, improving sewing quality, and increasing work efficiency.

The utility model provides a kind of double motor sewing machine, including shell, lower motor is installed in the lower end inside shell back, the motor shaft front end of lower motor is connected with pinion, motor shaft sleeve is set on motor shaft, pinion and the large gear on the cloth feeding main shaft are mutually engaged, the drive gear is connected in the front end of cloth feeding main shaft, and the upper cloth feeding wheel is installed in drive gear by universal shaft connection;The drive gear on the cloth feeding main shaft and lower gear are mutually engaged, and lower gear is fixedly connected in the rear end of lower cloth feeding shaft, and lower cloth feeding gear is installed in the front end of lower cloth feeding shaft connection.The utility model, by setting the transmission structure that lower motor drives pinion and the large gear of cloth feeding main shaft engages, cooperate drive gear and universal shaft connection upper cloth feeding wheel, lower gear linkage lower cloth feeding shaft and lower cloth feeding gear, make upper and lower cloth feeding wheel rotate at the same speed, form the synchronous driving force of clamping cloth, realize parallel synchronous feeding, avoid cloth skew or wrinkle, improve sewing precision.

The invention discloses an automatic positioning sewing device adapting to vamp changes, and relates to the technical field of leather shoe processing, the automatic positioning sewing device comprises a platform and an automatic sewing machine, the automatic sewing machine is installed at the top end of the platform, a transmission block is installed on a sliding rail of the automatic sewing machine, and a vamp positioning mechanism is arranged on one side of the transmission block; the vamp positioning mechanism comprises a positioning frame, a positioning insertion plate, a vamp cloth liner and a positioning turning plate, according to the automatic positioning sewing device adapting to the vamp change, the vamp positioning mechanism is arranged, leather vamps in a plane state can be quickly positioned in the positioning frame, the positioning frame is controlled by the automatic sewing machine to move, and the leather vamps can be quickly positioned in the positioning frame; automatic sewing is carried out by matching with a sewing part of an automatic sewing machine, the leather vamp only needs to be placed on the vamp cloth liner of the positioning insertion plate, can be covered and positioned by turning over through the hinged positioning turning plate and can be installed by inserting the positioning frame, and the specific vamp cloth liner and the sewing groove are matched with the shape of the current leather vamp.

The invention discloses an automatic material cutting and pressing device and method for hook-and-loop fasteners and sound insulation cotton, the automatic material cutting and pressing device comprises a material guiding mechanism, a material cutting mechanism, a material feeding mechanism, a material receiving mechanism, a material pressing mechanism and a workbench, the material guiding mechanism, the material cutting mechanism and the material feeding mechanism are sequentially installed on the workbench; the output end of the material guiding mechanism is arranged relative to the input end of the material cutting mechanism, the output end of the material cutting mechanism is arranged relative to the input end of the material feeding mechanism, and the output end of the material feeding mechanism is arranged relative to the input end of the material receiving mechanism. The output end of the material receiving mechanism is arranged relative to the input end of the material pressing mechanism. According to the design, automatic cutting and feeding of hook-and-loop fasteners are achieved through the material guiding mechanism, the material cutting mechanism, the feeding mechanism and the material receiving mechanism, meanwhile, automatic pressing is achieved in cooperation with the material pressing mechanism, manual sewing is not needed, precision is high, full-process automatic operation can be achieved, efficiency is remarkably improved, and the integration degree is high.

The utility model relates to a kind of opening bag machine circulation plate positioning circulation mechanism, including rack, circulation device is arranged on the rack, circulation plate positioning device, bag lip positioning device, folding material mechanism, laser cutting mechanism and sewing mechanism, the circulation device is located in the side of circulation plate positioning device and bag lip positioning device, bag lip positioning device is located above circulation plate positioning device, the circulation device includes three-axis drive mechanism, mounting plate and two first pressure jaw assemblies, the drive end of three-axis drive mechanism is connected with mounting plate, two first pressure jaw assemblies are installed at the both ends of mounting plate, three-axis drive mechanism is used to drive two first pressure jaw assemblies to mount and move circulation plate on rack, the bag lip positioning device includes horizontally moving first cylinder and positioning assembly, and the drive end of first cylinder is connected with positioning assembly. The circulation plate positioning circulation mechanism realizes accurate circulation positioning of circulation plate, improves opening bag processing precision and efficiency.

The utility model relates to the technical field of medical instruments, in particular to a wound stitching instrument which comprises a shell, a first hole is formed in the lower end of the rear portion of the shell, a second hole is formed in the lower end of the front portion of the shell, and a first rotating shaft is arranged in the middle of the inner side of the shell. The percussion handle penetrates through the hole to be arranged on the inner side of the shell, and the percussion handle is rotationally connected with the first rotating shaft; the propelling unit is arranged at the front part in the shell; the tightening unit comprises two fastening parts and a tightening part, the fastening parts are arranged below the propelling unit, sliding grooves are formed in the inner sides of the fastening parts, the bottom walls of the sliding grooves are inclined, sliding rods are arranged in the sliding grooves, the other ends of the sliding rods are fixedly connected with the percussion handle, the tightening part is arranged on the outer side of the shell, and the tightening part is arranged on one side of the percussion handle; by means of the arrangement of the tightening unit, skin and flesh on the two sides of a wound can be tightened, and the suturing effect of the suturing nail is improved.

The invention provides a fixing device for supporting and resetting a skull flap. The fixing device comprises a pulling handle of a T-shaped structure; the top end of the positioning frame is connected with the bottom end of the pulling handle in an inserting and rotating driving manner; the skull fixing line penetrates through the center of the pulling handle and the center of the positioning frame, and the end, away from the positioning frame, of the skull fixing line and the middle of the skull fixing line are wound to form a knot; the pair of rubber positioning pieces is connected to the outer side of the skull fixing line in a sliding manner, and the rubber positioning pieces are located on the inner side of one section of the skull fixing line winding knot; according to the device, the force application distance between the pulling handle and the positioning frame can be reduced, force application pulling of the handle is facilitated, meanwhile, the tightness between the knot and the rubber positioning piece can be observed conveniently in the force application process, the knot pushing part is arranged in the positioning frame, the tightness between the knot and the skull flap of a patient can be accurately adjusted and controlled in a micro-distance mode, and the accuracy of force application is improved. And the use convenience and the operation precision of the device are improved.

The utility model relates to electronic flower pattern machine technical field, specifically disclose a kind of electronic flower pattern machine and its template identification device, including electronic flower pattern machine body, clamping plate and push plate, clamping plate fixed mounting is in electronic flower pattern machine body front end bottom surface, clamping plate upper center position is equipped with clamping groove, push plate sliding installation is in clamping groove surface both sides, push plate surface both sides slidingly connected with slider, slider bottom fixedly connected with return spring, slider surface one side fixedly connected with pressing plate, push plate and pressing plate surface one side are all fixedly connected with hydraulic telescopic rod, pressing plate is lifted and adjusted on push plate surface by hydraulic telescopic rod, push plate is adjusted on clamping groove surface sliding by hydraulic telescopic rod, this electronic flower pattern machine and its template identification device, improve the versatility and applicability of equipment, can quickly adapt to different size and shape template, reduce the adjustment time caused by template replacement, improve the efficiency of template identification.