18results about "Sewing needles" patented technology

The utility model relates to the technical field of textile machine needles, in particular to a high-performance textile machine needle which comprises a needle rod assembly and a needle tip assembly, the needle tip assembly is fixedly installed at the end of the needle rod assembly, a needle eye is formed in the needle rod assembly, and a chamfer is arranged at an inlet of the needle eye. And wear-resistant coatings are fixedly mounted on the inner walls of the chamfers and the needle eyes. The core layer is used for providing the internal strength of the needle and ensuring that the needle is not broken during high-speed operation, the hardened layer is used for providing the strength and rigidity of the needle rod and ensuring that the needle is not bent or broken during high-speed movement, and the strengthening layer is arranged, so that the strength and toughness of the needle rod are further enhanced, and the service life of the needle rod is prolonged. The stability of the needle rod is ensured especially when the needle bears large impact or pulling force, the mechanical strength of the whole needle is enhanced through the arrangement of the reinforcing layer, and breakage or deformation is prevented especially for impact, vibration and overload possibly occurring in high-speed operation.

To provide a sewing needle of which type is easily identified by visual observation.SOLUTION: A sewing needle comprises a columnar handle part 11 to be attached to a sewing machine and a needle stem part 20 disposed distal to the handle part 11. On the peripheral surface of the handle part 11, a groove part 12 extending along the whole circumference is provided.SELECTED DRAWING: Figure 1

The invention relates to a method for adapting digital images to make them suitable for knitting machines Our invention lies at the intersection of digital image processing and textile technologies. Existing applications in this field cover the process of optimizing digital images according to these limitations, as knitting machines are required to work with a limited number of yarn colors.

The present invention provides a needle for a cover chain stitch sewing machine and a sewing method using the same, which can reduce the difference in size of loops formed by a plurality of needles as much as possible. A surface groove (23) of a needle (10) for a cover chain stitch sewing machine has a step portion (23a) at a position on the shank portion (11) side than the notch portion (24), and the surface groove (23) is formed in such a manner that the depth of the groove becomes deeper as it goes from the needle tip (21) side toward the shank portion (11). That is, a shallow groove portion (23b) is formed at a position on the needle tip (21) side than the step portion (23a), and a deep groove portion (23c) is formed at a position on the shank portion (11) side than the step portion (23a).

The utility model discloses a mistaken opening prevention safety pin which comprises an inner core block, a protection assembly is arranged on the outer surface of the inner core block, a protection shell is installed on the outer surface of the inner core block, a needle point rod moving into a moving-out notch groove can be blocked and protected, the needle point rod is prevented from further moving outwards to be opened, and danger is avoided. By arranging the limiting groove, the protective shell can be limited through the limiting convex block, the situation that the protective shell easily rotates and slips in the using process is avoided, and the safety of a user is improved. And by fixedly connecting the first check block and the second check block, the protective shell can conveniently drive the limiting convex block to rotate and align to the right front of the limiting groove or the strip-shaped groove more conveniently and accurately.

The invention relates to light industry, and more particularly to the fabrication and use of sewing machine needles and hand sewing needles. A sewing machine needle is comprised of a shaft having a tapered end and an eye proximate the tapered end of the shaft, wherein a side of the eye has a bushing seated thereon with clearance relative to the side of the eye, said bushing being capable of radial rotation in order to wind a thread during threading into the eye. The technical result consists in reducing the time required to perform sewing-related tasks and in making it possible to produce results more quickly.

The application relates to the field of suture needles, in particular to a processing method of a stainless steel suture needle, which comprises the following steps: material selection confirmation, pre-solid solution heat treatment of solid solution material 1RK91, then cold drawing to ensure that the hardness is HV360-430; processing and forming, sequentially cutting a wire, processing a tail hole, grinding a tip and processing a needle body to form a suture needle initial type; aging heat treatment strengthening, the hardness after heat treatment is kept greater than or equal to HV520; finishing and packaging. Through the above processing steps, the hardness and toughness of the suture needle are ensured, and the processing of the tail hole of the suture needle is facilitated.

The invention relates to a rotating shuttle frame, a rotating shuttle assembly and a sewing machine, the rotating shuttle frame comprises an inner shuttle main body, the inner shuttle main body is provided with a first inner hole used for installing a shuttle core sleeve and a needle passing hole used for arranging a machine needle in a telescopic mode, and the inner shuttle main body is provided with a needle protecting structure at the needle passing hole; the needle protection structure comprises a guide surface for centralizing a machine needle and a needle protection surface connected to the guide surface; all intersecting lines or part of intersecting lines of the guide face and the needle protection face are arranged in the first inner hole. The needle protecting device has the effect of reducing the risk of thread breakage caused by rigid collision between the machine needle and the needle protecting surface.

The invention relates to a computer-implemented method for manufacturing a textile product using a group (5) of textile machines (3). To obtain a high-quality textile product, the textile tools (2) in the textile machines (3) are regularly replaced. To ensure the regular replacement of the textile tools (2) even in large groups of textile machines (3), a control unit (6) calculates a replacement time (17) for the first textile tool (102) when it is installed in a first textile machine (103) of the group of textile machines (3). Based on a signal (7) generated by the control unit (6), the first textile tool (102) is then replaced with a new textile tool (202) at the replacement time (17).

The invention relates to a computer-implemented method for producing a textile product using a group (5) of textile machines (3). In order to obtain a textile product of good quality, the textile tools (2) which are used in the textile machines (3) are regularly replaced. In order to be able to ensure a regular replacement of textile tools (2) even for large groups of textile machines (3), when a first textile tool (102) is installed in a first textile machine (103) of the group of textile machines (3), a control unit (6) calculates a replacement time (17) for the first textile tool (102) and replaces the first textile tool (102) with a new textile tool (202) at the replacement time (17) on the basis of a signal (7) generated by the control unit (6).

Textile tool (1) structured according to a method for manufacturing a textile tool (1) in which a metallic tool blank is provided in a laser processing device (2) and the laser processing device (2) structures the tool blank on a tool surface (3) by means of interference of at least two laser beams (4, 5), wherein the at least two laser beams (4, 5) have pulse durations of at most 15 ps at least temporarily and wherein a tool profile (6) with at least one depression (7) is produced by the structuring on the tool surface (13).

Systems and methods for coating surgical needles are provided.

A composite sewing head, including: a needle bar transport for a thread feed needle and a thread catcher needle that is arranged to be parallel to a needle plane of the thread feed needle and a thread catcher needle, with the needle plane parallel or nearly parallel to a stitch path.

Fiber mat production device in which the fiber mat is quilted by means of a plurality of parallel quilting needles in conjunction with threads grasped by the quilting needles, preferably with a chain stitch, wherein the mat material is a natural fiber material, namely straw, coconut, jute or wood wool fibers, wherein, in order to improve the performance of the fiber mat production device, namely the throughput speed, as well as to increase the number of stitches, the quilting needles each have a needle head (2) and a needle body (3) arranged below it, wherein the needle body (3) has a substantially rectangular or square cross-section, wherein the needle body (3) has a width (B) and a thickness (D), wherein the needle head (2) tapers to a point and the quilting needle has a weight of less than 15 grams, preferably only about 4 to 10 grams, particularly preferably only about 10 grams.weighs 6 grams and the area which the needle head (2) penetrates into the fiber mat is less than 15 mm. 2 , preferably only about 5 mm 2 the stitch length of the quilting needles is adjustable from 2 to 15 cm and the stitch spacing from 2 to 25 cm, and the quilting needle is positively received in the foot area by a cylindrically shaped body (15), wherein the cylindrical body (15) has a cylindrical basic cross-section and a groove (16) along its length in which the needle body (3) is positively inserted and the cylindrical body (15) is housed and fixed in a bore (13) of a needle bar (10) of the fiber mat production device.

The application discloses a machine needle storage and needle outlet device and a machine needle intelligent management cabinet. The machine needle storage and needle outlet device comprises a needle storage rotating structure, a base, a counting trigger element, a needle outlet mechanism and a circuit control board. The needle storage rotating structure is arranged above the base. The counting trigger element is arranged on one side of the needle storage rotating structure and is used for being triggered by the machine needle and generating a counting signal when the machine needle rotates through the needle storage rotating structure. The needle outlet mechanism is arranged on the base and below the needle storage rotating structure. The circuit control board is arranged below the base and is electrically connected with the counting trigger element and used for receiving and processing the counting signal. The counting trigger element cooperates with the circuit control board, one signal trigger corresponds to one machine needle, the number of machine needles passing through can be accurately counted and the inventory count is completed, and the accuracy of machine needle management is ensured.

The utility model relates to the technical field of sewing machines, in particular to an anti-skipping sewing machine needle head which comprises a needle body, a needle head structure and a needle handle are arranged at the two ends of the needle body respectively, the needle head structure comprises a needle head portion in a special shape, a needle hole for a needle thread to penetrate through is formed in an edge groove, and a flow guide structure is arranged on the outer side of the needle hole. The special-shaped needle head part is arranged, so that the penetrating power to the fabric can be increased, the resistance to the fabric is reduced, the condition of needle skipping during use is avoided, the damage to the fabric is avoided, and the service life of the fabric is prolonged. And meanwhile, the guide structure is arranged, so that the needle and the thread can smoothly pass through.