38 results about "NEEDLE GAUGE" patented technology

A method of using an assembly to insert a flexible spinal needle and minimize incidence of post dural puncture headache is provided. The assembly typically includes a support needle with a non-cutting piercing tip and an exteriorly mounted flexible needle. The flexible needle gauge may be reduced, while ease of use is increased by the exterior mounting. The flexible needle provides increased flexibility allowing for movement of a patient's torso after insertion. A central stylet may be included to prevent entry of matter into the support needle opening during insertion. In other embodiments, methods for allowing single stick insertion procedures to provide better placement by allowing placement to be determined and adjusted based on physical feedback obtained during the single stick insertion.

The invention discloses a needle gauge processing precision detection apparatus including a detection platform, a weight detection unit, a dimension detection unit, a roughness detection unit, and a hardness detection unit, the detection platform detects a needle gauge to be detected and is provided with a manipulator which is used for carrying the needle gauge to be detected, the weight detection unit detects the weight of the needle gauge to be detected, the dimension detection unit detects the dimension information of the needle gauge to be detected, the roughness detection unit detects the surface roughness of the needle gauge to be detected, and the hardness detection unit detects the hardness of the needle gauge to be detected. The needle gauge processing precision detection apparatus is high in needle gauge processing precision detection efficiency.

The invention relates to a feeding device of a circular sewing machine, which comprises a fore-and-aft feeding cam and a left-and-right feeding cam, wherein the fore-and-aft feeding cam is used for moving a feeding platform fore and after and comprises a plurality of cam parts arranged on the same axis, and the left-and-right feeding cam is used for moving the feeding platform left and right. The feeding device also comprises a feeding swing stem, a feeding adjusting device, positioning parts and a set of inserted bar components, wherein the feeding adjusting device is arranged between the feeding adjusting device and the feeding platform, the positioning parts are arranged on the feeding swing stem corresponding to the cam parts and have the same number as the cam parts, and the inserted bar components can be respectively plugged and arranged in the positioning parts and are inserted in the cam parts corresponding to the positioning parts. The device only comprises one feeding swing stem, and the adjusting device is arranged between the feeding swing stem and the feeding platform so that a needle gauge can be kept unchanged when the inserted bar components are converted among different cam parts.

The invention provides a detection tool for detecting intervals among air channels of an air conditioner. The detection tool for detecting the intervals among the air channels of the air conditioner comprises a rod body and a needle gauge, wherein the needle gauge is arranged at a first end of the rod body, the needle gauge and the rod body are connected into an L shape, and the needle gauge and the rod body are connected in detachable mode. The detection tool for detecting the intervals among the air channels of the air conditioner is simple in structure, can be flexibly used in the air channels of the air conditioner, which are of complicated structure, due to the fact that the needle gauge and the rod body are connected into the L shape, is strong in universality due to the fact that different needle gauges, which can be connected with the rod body in detachable mode, can be fixedly installed according to different detection requirements, and furthermore is simple to operate and high in detection efficiency.

A needle (1) according to the invention serves for the after-treatment, particularly after-needling of flat textile products, particularly for roughening of the product surface. The needle (1) is of fully symmetrical construction with respect to the central longitudinal axis (11); this applies particularly also to its barbs. The needle gauge is at least 46 and the barb depth is 0.02 mm at the most. The needle ensures a gentle, protective operation and the making of particularly fine textiles.

A needle holder (7) is provided, in particular, for industrial sewing machines, in which sewing machine needles having different needle gauges and preferably different cylindrical shanks or shafts are supported or held in such a manner that they can be adjusted in a transverse direction. This permits an adjustment of the relative position between the sewing needle (4) and the gripper (6), without requiring an adjustment of the gripper position and / or the needle guard position.

The invention relates to the technical field of stitching, in particular to a mechanism for achieving tight stitching and variable needle gauge reinforcement and an achievement method thereof. According to the method, micro needle gauge reinforcement can be achieved when stitching starts or ends, and it is prevented that a thread residue comes out of a stitching material after trimming, so that amark of reinforced stitching on the stitching material is shortened, a nest on the stitching material is prevented to a certain degree, tight stitching can be achieved, and accordingly convenience ofequipment operation and maintenance is improved. According to the technical scheme, an electromagnetic baffle is provided and connected with an installation supporting frame, a reset spring is arranged on a limiting pin in a sleeving mode, the limiting pin is arranged in a guiding hole of a limiting guiding block, an electromagnet is arranged on the rear end surface of the limiting guiding block,the limiting guiding block is arranged on the installation supporting frame through a side surface installation hole, a limiting sliding block is arranged in a top kidney-shaped hole in a limiting connecting rod, the limiting connecting rod is arranged on a needle gauge base through a top connecting hole, the lower end of the limiting connecting rod is connected with a back stitch connecting rod assembly, and the back stitch connecting rod assembly is connected with a back stitching electromagnet through a connecting hole in the lower end of the back stitch connecting rod assembly.

Described herein are embodiments of a yarn-carrying and dispensing apparatus. The embodiments described allow knitters to easily transport, carry and use balls of yarn for knitting and other knitting materials. The embodiments prevent the ball of yarn from rolling away or getting tangled or intertwined. The embodiments also easily and smoothly dispense the yarn, making the knitting more efficient and easier for the knitter. The embodiments provide additional elements to accommodate a knitter: (i) a ruler allowing, for example, to measure a knitting sampler; (ii) a needle gauge and needle openings, allowing, for example, to measure the size of a needle; and (3) an insert allowing, for example, to hold one or more balls of yarn.

A needle holder (7) is provided, in particular, for industrial sewing machines, in which sewing machine needles having different needle gauges and preferably different cylindrical shanks or shafts are supported or held in such a manner that they can be adjusted in a transverse direction. This permits an adjustment of the relative position between the sewing needle (4) and the gripper (6), without requiring an adjustment of the gripper position and / or the needle guard position.

A needle gauge detection apparatus includes a laser gauge for measuring a detected needle gauge; a displacer for holding a needle gauge to be detected; a robot for displacing the needle gauge to be detected to the laser gauge. The laser gauge, the robot, and the displacer are connected with a host computer. The needle gauge detection apparatus detects the needle gauge with the laser gauge, is accurate in measurement result. The displacer and the robot cooperate with each other. The host computer carries on statistic to test data and controls the displacer and the robot. The needle gauge detection apparatus is high in efficiency and is suitable for large-scale detection.

The invention relates to a double-sided double-row quilting and embroidering integrated machine. The quilting and embroidering integrated machine comprises a computer mainframe, a head assembly mechanism, a rotary shuttle box mechanism and a thread taking-up box mechanism, wherein the head assembly mechanism comprises a main motor, a cross beam, a head base, a head line shaft, a front-row thread taking-up line shaft and a rear-row thread taking-up line shaft; and the thread taking-up box mechanism comprises a front-row thread taking-up box, a rear-row thread taking-up box, thread taking-up shaft driving mechanisms arranged in the front-row and rear-row thread taking-up boxes and a thread taking-up assembly. The double-sided double-row quilting and embroidering integrated machine further comprises a needle rod frame and rotary shuttle box linked moving mechanism, wherein the needle rod frame and rotary shuttle box linked moving mechanism comprises a needle rod frame synchronous belt wheel, a rotary shuttle frame synchronous belt wheel, an upper screw rod, a lower screw rod, an upper pull rod, a lower pull rod, a rear-row needle rod frame moving mechanism and a rear-row rotary shuttle frame moving mechanism. The quilting and embroidering integrated machine has the following beneficial effects: the machine can carry out continuous and cyclic quilting and embroidering; the needle gauge is narrow; the rear-row needle rod frame can move transversely, thus realizing the alignment or staggering of the front-row needle rod and the rear-row needle rod; the pattern adaptability is high; double sewing lines are avoided during quilting and embroidering; front-row operation or rear-row operation can be arbitrarily selected; and head-alternated quilting and embroidering, high quality and yield and low processing cost can be realized by arbitrarily closing the head.

The invention discloses a preparation method of a comfortable and elastic knitted fabric. The method comprises the following steps that A, a polyester yarn is selected as a raw material yarn; B, by means of weaving equipment, weaving is conducted according to the needle gauge being 24 needles and predetermined knitting needle arrangement and triangle arrangement, a coil is prolonged, and a blank is obtained; C, hot-wet treatment is conducted through an open width washing process, and the blank is preshrunk; D, presetting is conducted at 150-170 DEG C; E, dyeing is conducted at 120-130 DEG C; F, re-setting is conducted at 130-150 DEG C to obtain a finished product. Compared with the prior art, the method has the advantages that the boiling shrinkage characteristics of a two-component bio-based PDT polyester raw material yarn are adopted, when the blank is opened, by adjusting yarn coil lengthening, needle gauge amplification, wet-hot pretreatment of former dyeing and finishing to the blank and softening finishing of back-end dyeing and finishing, the fabric is shrunk to obtain elasticity, a traditional process of obtaining the elasticity only by adding spandex is improved, the adopted raw materials are degradable and conform to the environmental protection concept, and the comfortable and elastic properties are more excellent.

The invention discloses an integrated needle gauge, comprising: a handle, a first needle bar and a second needle bar, the upper end of the handle is provided with a first internal thread, and the lower end outer wall of the first needle bar is provided with a The first external thread matched with the first internal thread, the upper end surface of the first needle bar is provided with a first groove, the inner wall of the first groove is provided with a second internal thread, the first The outer wall of the lower end of the second needle bar is provided with a second external thread, the second external thread is matched with the second internal thread, and the upper end surface of the second needle bar is provided with a second groove. The inner wall of the second groove is provided with a third internal thread. Through the above method, the integrated needle gauge of the present invention connects the needle rods of different specifications through the threaded connection of the upper and lower needle rods, so that the needle rods of different specifications are fixedly connected together in sequence, which is more convenient to use, takes up less space when stored, and is installed and disassembled through threads. The combination will not cause the loss of the needle bar, and the use effect is better.

The invention relates to the technical field of production machinery for quilting and embroidering, in particular to a rotary shuttle loom for quilting and embroidering. A needle bar driving mechanism of the rotary shuttle loom comprises a driving shaft, wherein the driving shaft drives a connecting shaft via cams; the connecting shaft is linked with two or more drivers which can move up and down; the drivers are installed on an upright bar; each driver corresponds to a needle bar; the drivers are provided with moving blocks which can move eccentrically; and the moving blocks are provided with clamp slots which can clamp the adaptation parts of the needle bars and drive the needle bars to move up and down. The needle bar driving mechanism also comprises an unlocking mechanism which can drive the clamp slots to be separated from the needle bars, wherein the unlocking mechanism comprises an electromagnet locking head device which is installed uprightly and a transverse propelling device. The needle bar driving mechanism has the following advantages: after the cams are output, the drivers are synchronously driven by the connecting shaft and three-hole connecting bars to move up and down, so the structure is optimized and adjusted and the spatial body is small; the unlocking mechanism has one-to-one relationship with the drivers, so the single needle locking function can be realized in the small needle gauge embroidering process and the production requirement is met; and the needle bar driving mechanism has simple, scientific and reasonable structure.

The invention relates to a knitting needle and needle plate component of a computerized flat knitter. The component comprises a needle plate (1), a knitting needle (2) and a needle selection stitch (5), as well as a selection stitch (4), a first steel wire (6), a second steel wire (7), a needle selection sheet (9), a lower stitch (3) and a needle gauge (8), wherein the lower stitch (3) is mounted in a groove below the needle plate (1), the knitting needle (2) is placed on the upper surface of the lower stitch (3) and connected with the lower stitch (3) through the groove below a butt of the knitting needle, the selection stitch (4) is mounted behind the lower stitch (3), the needle selection stitch (5) is mounted above the selection switch (4), the first steel wire (6) and the second steel wire (7) props against the needle selection stitch (5), and the needle selection sheet (9) is pressed on the needle selection stitch (5). The knitting needle and needle plate component can carry out needle selection automatically, and the knitting needle can work smoothly and reliably during high-speed motion, thereby improving the working efficiency of a machine and ensure the quality of fabrics.

The invention discloses a double shed multiple-shed needle gauge of half-inch straight line quilting machine, which mainly comprises a baffle that is fixed on a keel. The needle gauge has the main design that the two sides of the baffle are both provided with at least three pairs of sheds. Compared with the baffle which has a single shed structure and is generally adopted, the needle gauge adopting the baffle which has a double shed structure and is provided with a plurality of pairs of sheds to greatly enlarge the selection range of patterns which can be manufactured, thus meeting the requirements of users for the pattern and adapting to the needs of market.

The invention relates to a needle gauge processing technology, which comprises the following steps: (1) using nano crystal materials to process shaped materials; (2) cutting the shaped materials according to the size requirements; (3) performing grinding machine processing, and two planes Carry out coarse grinding and fine grinding respectively; the error range required for rough grinding is within 0.0015-0.002mm, and the error range required for fine grinding is within 0.0001-0.0002mm. (4) Carry out polishing inspection, send it to the inspection room, and assemble it into the warehouse after meeting the standards. The invention has the advantages that: nano crystal material is used as the formation for processing, the heat resistance degree is greatly improved, wear and tear should not occur when the workpiece is measured, rough machining and fine machining are carried out on the workpiece, and the quality of the product is guaranteed.

Described herein are embodiments of a yarn-carrying and dispensing apparatus. The embodiments described allow knitters to easily transport, carry and use balls of yarn for knitting and other knitting materials. The embodiments prevent the ball of yarn from rolling away or getting tangled or intertwined. The embodiments also easily and smoothly dispense the yarn, making the knitting more efficient and easier for the knitter. The embodiments provide additional elements to accommodate a knitter: (i) a ruler allowing, for example, to measure a knitting sampler; (ii) a needle gauge and needle openings, allowing, for example, to measure the size of a needle; and (3) an insert allowing, for example, to hold one or more balls of yarn.

A needle gauge detection apparatus includes a laser gauge for measuring a detected needle gauge; a displacer for holding a needle gauge to be detected; a robot for displacing the needle gauge to be detected to the laser gauge. The laser gauge, the robot, and the displacer are connected with a host computer. The needle gauge detection apparatus detects the needle gauge with the laser gauge, is accurate in measurement result. The displacer and the robot cooperate with each other. The host computer carries on statistic to test data and controls the displacer and the robot. The needle gauge detection apparatus is high in efficiency and is suitable for large-scale detection.

The invention discloses a double shed needle gauge of a half-inch straight line quilting machine, which has the main design that needle grooves used for clamping a knitting needle are arranged at the two sides of the needle gauge and adopt symmetrical arrangement. Compared with the needle gauge, which has a single shed structure, of a common half-inch straight line quilting machine, the needle gauge adopting a double shed structure greatly enlarges the selection range of patterns which can be manufactured, thus meeting the requirements of users for the pattern and adapting to the needs of market.

The invention discloses a receptor and a manufacturing method thereof. The manufacturing method comprises the following steps: A) firstly, a blank is processed through a numerical control machine tool; an outer circle is turned; and the total height of the blank is processed to 4.6 mm; B) then, a semi-finished product is processed through micropore discharge; the blank is clamped on a micropore tool; two inclined holes with diameters of phi 0.28 mm are processed by an electrode with a diameter of phi 0.20 mm through discharge; the included angle formed between the two inclined holes is 67.5+-0.5 degrees; the two inclined holes are intersected on the end surface; the distance between the two inclined hole after intersection is 0.62+-0.01 mm; and the center axis of the two inclined holes and the center axis of the outer circle are on one plane; and C) finally, the end surface is grinded; four semi-finished receptors are all put in a grinding tool; a proper amount of grinding paste is added on a grinding platform, and is diluted by kerosene; then, the end surfaces of the receptors are grinded until the two inclined holes are tangential to each other; and then, a needle gauge with a diameter of phi 0.28 mm is used for finishing orifices until the orifices are smooth and free of burrs under the observation by a 75-times tool microscope, so that the production efficiency and the product quality stability are improved.

The invention relates to the technical field of production machinery for quilting and embroidering, in particular to a rotary shuttle loom for quilting and embroidering. A needle bar driving mechanism of the rotary shuttle loom comprises a driving shaft, wherein the driving shaft drives a connecting shaft via cams; the connecting shaft is linked with two or more drivers which can move up and down; the drivers are installed on an upright bar; each driver corresponds to a needle bar; the drivers are provided with moving blocks which can move eccentrically; and the moving blocks are provided with clamp slots which can clamp the adaptation parts of the needle bars and drive the needle bars to move up and down. The needle bar driving mechanism also comprises an unlocking mechanism which can drive the clamp slots to be separated from the needle bars, wherein the unlocking mechanism comprises an electromagnet locking head device which is installed uprightly and a transverse propelling device. The needle bar driving mechanism has the following advantages: after the cams are output, the drivers are synchronously driven by the connecting shaft and three-hole connecting bars to move up and down, so the structure is optimized and adjusted and the spatial body is small; the unlocking mechanism has one-to-one relationship with the drivers, so the single needle locking function can be realized in the small needle gauge embroidering process and the production requirement is met; and the needle bar driving mechanism has simple, scientific and reasonable structure.

The invention discloses a sewing standard hour determination method used for precisely determining sewing standard hours. The method comprises the steps that first, sewing machine speed is determinedaccording to the performance of a sewing machine in use; second, sewing machine needle gauge is determined according to sewing requirements; third, a first calculation rule is used to obtain fastest time of sewing per centimeter through the sewing machine speed and the sewing machine needle gauge, a sewing machine control allowance coefficient is determined according to the fastest time of sewingper centimeter, and a sewing difficulty level floating coefficient and a sewing needle stop difficulty level allowance are determined according to the sewing difficulty degree; and last, a second calculation rule is used to obtain the sewing standard hours through the sewing machine speed, the sewing machine needle gauge, the sewing machine control allowance coefficient, the sewing difficulty level floating coefficient and the sewing needle stop difficulty level allowance. Through the method, the influences of simultaneous action of multiple factors such as machine speed, cloth types, sewing difficulty and stop modes are eliminated, and therefore the sewing standard hours are precisely determined.

The air cylinder controls the gear removal test device, which is characterized in that: the first and second support plates are respectively welded in the rectangular test bench, and the bottom ends of the four square metal columns of the rectangular test bench are equipped with universal wheels; Bolts install and fix the first and second double-needle pressure gauges and single-needle pressure gauges on the top metal plate in turn; the first cut-off plug, the second cut-off plug, the third cut-off plug, the fourth cut-off plug, Installed and fixed on the first support plate in the rectangular test bench in sequence; the filter pressure reducing valve, the first manual valve and the second manual valve are installed and fixed on the second support plate in the rectangular test bench; Filter pressure reducing valve, the first manual valve, the second manual valve, the first cut-off plug, the second cut-off plug, the third cut-off plug, the fourth cut-off plug, the first double-needle pressure gauge, the second double The needle pressure gauge, the single needle pressure gauge and the air cylinder are installed and connected together to form a test device for removing gears controlled by the air cylinder.

The invention provides a pair of compasses capable of drawing double circles. The compasses are provided with one drawing needle gauge bar at each side of a fixed needle gauge bar. In use, two circular graphs of different sizes can be quickly drawn out once, and a pencil lead or a gel pen refill can be selectively used according to needs for drawing. The compasses are scientific in structure, and are especially suitable for being conveniently used during drawing.

The invention provides an expansion unit used in a train operation monitoring system, comprising: a shunting interface plug-in for collecting level adjustment signals; a digital input plug-in for collecting signals such as whistles; a digital-to-analog conversion plug-in for Collect the speed signal sent by the speed sensor, calculate the speed according to the speed-related information sent by the host unit, and output the signal to drive the two-hand meter to display the real speed and speed limit; the satellite positioning plug-in is used to collect satellite positioning information, and the collected The information is sent to the host unit; the WLAN plug-in is used to realize wireless data replacement, and replace the basic data of the host through WLAN; the level conversion plug-in is used to convert one or more locomotive working condition signals into contact signals for supply The host unit collects; the Ethernet switch is used to provide an Ethernet communication connection for large data transmission; and the power plug-in is used to convert the external power supply into a power supply suitable for other plug-ins inside the expansion unit.

The invention, which relates to the technical field of gap detection of a cement paste mixer, discloses a special-purpose needle gauge for measuring the gap of a cement paste mixer. The special-purpose needle gauge comprises a first needle body, a connecting steel wire, a second needle body, a support sleeve, a fixation ring, a grouting hole, a support seat, a return spring, a limiting plate, a connecting rod, a bearing plate, a limiting ring, a fixation groove, a clamp slot, a handle, and a clamping block. One end of the left side of the connecting steel wire is fixedly connected to the center of the right side of the first needle body; and one end of the right side of the connecting steel wire is fixedly connected to the center of the left side of the second needle body. According to thespecial-purpose needle gauge, with the first needle body and the second needle body matching the curved surface of the inner wall of the agitating pan, the spacing between the inner wall of the agitating pan and the fan is calibrated conveniently; the fused brazing filler metal is injected into the inside of the support sleeve through an injected hole; and the first needle body, the connecting steel wire, and the second needle body are connected closely and stably through brazing.