6results about How to "Improve sewing precision" patented technology

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 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 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.