63 results about "Threading (manufacturing)" patented technology

The invention relates to the technical field of laser cutting equipment, in particular to a laser cutting machine for cutting a machine tool body and a cutting technology.The laser cutting machine comprises a cutting table, a fixing frame arranged at the top end of the cutting table and a laser cutting head arranged at the bottom end of the fixing frame; according to the laser cutting device, when the to-be-cut area of the cover plate is cut, stable and continuous extrusion constraint can be formed, thermal expansion force generated when the long and thin groove is cut is effectively counteracted, groove wall bending and groove width deviation are reduced, and the size precision needed by precise threading and guiding of the long and thin groove is guaranteed; the heat conduction block on the abutting plate can rapidly guide out cutting heat, and in cooperation with directional blowing of the blowing assembly, heat dissipation can be accelerated so as to reduce a heat affected zone, improve the smoothness of a notch, ensure stable and reliable cutting quality, reduce subsequent assembly problems caused by thermal deformation and ensure stable and reliable cutting quality of metal manufacturing equipment during batch machining. And the overall processing efficiency of the metal manufacturing equipment is further optimized.

The utility model discloses a metal handle acupuncture needle and a production device thereof, and belongs to the technical field of acupuncture needle manufacturing. The production device comprises a discharging mechanism, a threading mechanism, a bending and gluing mechanism and a collecting mechanism which are sequentially fed through a feeding flat plate. Wherein a metal handle groove is transversely formed in the surface of the feeding flat plate; the wire penetrating mechanism comprises a wire guide plate, a wire feeding roller pair and a cutter; wire guide holes and directional guide wires are transversely formed in the wire guide plate in a penetrating mode, the wire guide holes correspond to the metal handle grooves in a one-to-one mode, the wire feeding pair rollers are arranged between the wire guide plate and the cutter, and a steel wire penetrates into the metal handles in the metal handle grooves after penetrating through a gap between the wire feeding pair rollers, and is cut off through the cutter after penetrating out of the specified length. Batch needle bodies are bent, glued and then pushed into batch metal handles, gel formed after solidification and bending of the batch needle bodies generate a synergistic effect, and the needle bodies form a solidification structure in the metal handles, so that the technical effect of improving uniform and reliable connection firmness and consistency of batch products is achieved.

The invention discloses a direct untwisted yarn glass fiber warp beam manufacturing process, which comprises the following steps that a single untwisted yarn is manually led out from a creel, sequentially passes through a hole in a yarn guide porcelain plate, a second auxiliary roller, a first auxiliary roller, a raddle and a third auxiliary roller, and is finally connected to a warp beam, and the yarn is ensured not to be wound and crossed in the threading process, so that the untwisted yarn is directly spun. The denting density is consistent with the design of a warp beam, and then tension is set, so that an electronic tension system in a case adjusts the tension of each yarn in real time; a third motor is started to drive the rotating shafts to rotate, the rotating shafts on the two sides and the lead screws synchronously rotate under belt connection, the ball sliding blocks and the limiting barrels are driven to slide along the sliding rails, the distance between the limiting barrels and the warp beam is shortened, and the limiting barrels are attached to the untwisted yarn; meanwhile, the first motor drives the push rod to rotate through the rotating disc, so that the push rod slides along the sliding groove of the sliding groove plate, the push rod and the sley are driven to reciprocate in the horizontal direction, and the untwisted yarn can be evenly wound on the warp beam to avoid accumulation.

The application provides a cabling device of a superconducting cable, and belongs to the technical field of cable manufacturing. The cabling device comprises a pay-off system, a stranding system and a take-up system arranged in sequence along a first direction. The pay-off system is used for releasing strands, and the take-up system is used for taking up the stranded body. The stranding system comprises a base, a stranding disc and a driving member. The base is fixedly connected to the ground. The stranding disc is rotationally connected to the base. The stranding disc comprises an inner disc, an outer disc arranged at the outer periphery of the inner disc, a support roller fixedly connected between the inner disc and the outer disc, and a plurality of threading rings which are detachably connected to the support roller. A threading hole is formed through the center of the inner disc. The driving member is transmissionally connected to the stranding disc and is used for driving the stranding disc to rotate with the horizontal direction as the rotation axis. The application improves the applicability of the stranding disc.

The utility model belongs to the field of lining oil pipe production equipment, and particularly relates to a pipe penetrating device for lining oil pipe production, which comprises a lining pipe supporting assembly, a base pipe supporting assembly and a lining pipe traction assembly which are sequentially arranged from left to right, the lining pipe traction assembly comprises a traction frame, and a positioning plate is vertically arranged on the left side of the traction frame. A rope penetrating hole penetrates through the positioning plate, an internal thread positioning sleeve is arranged corresponding to the rope penetrating hole, a positioning ring groove is formed in the outer side of the internal thread positioning sleeve, a clamping plate capable of moving in a reciprocating mode is connected to the positioning plate through a guide assembly, and a U-shaped clamping opening correspondingly matched with the positioning ring groove is formed in the clamping plate. A winch is installed on the installation plate, and a traction rope of the winch is connected with a lining pipe fastening assembly. Only a plurality of frame bodies and winches are arranged, the structure is simple, and the manufacturing cost is low; the lining pipe can penetrate through the base pipe by pulling the lining pipe through rope winding operation of the winch, and operation is easy, convenient and fast.

The utility model discloses an auxiliary thread rolling mechanism for a stud of an irregular flange, and belongs to the field of machining equipment of thread products. The mechanism comprises a material pushing assembly which is arranged between a feeding assembly and a thread rolling assembly and can push parts in a feeding channel into a thread rolling channel, the material pushing assembly comprises a material blocking unit, and a material blocking plate of the material blocking unit can open or shield the feeding channel; the material pushing unit comprises a material pushing plate, a material pushing driving source is arranged on the material pushing plate, the material pushing plate is provided with a material supporting block in a matched mode, the material supporting block is fixedly arranged, after the feeding channel is opened, the parts are conveyed to the position above the material supporting block, and the material supporting block supports the parts. The problems that in a traditional thread rolling feeding mode, products are inclined, consequently, thread plates are clamped and damaged, continuous production cannot be conducted, and manual feeding assistance is needed are solved, the equipment can prevent toppling, the products of the type can be continuously and mechanically produced, the manufacturing efficiency is remarkably improved, and the human input and the machining cost are reduced.

The invention provides a needle plate with twisting needles, belongs to the technical field of machinery, and solves the problem that an existing needle plate is poor in use effect. The needle plate with the twisting needles comprises a body, wherein a plurality of clamping grooves are formed in the left side and the right side of the body respectively; the threading needles are arranged at the top of the body in a row, the threading needles and the body are integrally arranged, each threading needle comprises a needle threading part and a twisting part, the twisting parts are connected with the body, threading holes are formed in the needle threading parts in a penetrating mode, and the threading holes are coaxially arranged. The method has the advantage of being good in use effect. The invention further provides a manufacturing method of the needle plate with the twisting needles.

The application relates to the field of steel rolling technology and discloses a control method of a cold rolling mill. The method comprises the following steps: collecting rolling force and bending force of each rack in the cold rolling mill at a first set rolling speed, and a position difference of a pressing cylinder between a working side and a driving side of each rack as rolling force setting, bending force setting and leveling setting of the corresponding rack when the cold rolling mill starts; obtaining actual tension between adjacent racks in the cold rolling mill; if the actual tension between the adjacent racks is equal to zero, building tension for the racks between the out-of-tension rack and the last rack; if the actual tension between the adjacent racks is greater than zero, or after building tension for the racks between the out-of-tension rack and the last rack, adjusting the rolling force, the bending force and the position difference of the pressing cylinder of each rack to the given data; and controlling the cold rolling mill to start according to a starting threading speed. The technical scheme can improve the production stability and manufacturing capacity of the cold continuous rolling mill.

The utility model provides a thread feeder applied to patella fracture closed reduction internal fixation. The thread feeder comprises a handle, an extension rod and a threading part, the handle is connected with one end of the extension rod; the threading part is arranged at the other end of the extension rod; the threading part comprises a flat head end and a wire feeding hole; the flat end is arranged at the tail end of the extension rod; the two wire feeding holes are formed in the flat head end at intervals; or the threading part comprises a pointed end and a threading hole; the cross section of the tip is triangular, and the threading hole penetrates in the width direction of the tip to form a triangular threading hole. The device is used for manufacturing a subcutaneous tunnel on the back face of the patella, the high-strength cable exposed out of one end of the inner fixing nail is guided to the high-strength cable exposed out of the other end of the inner fixing nail or one end of the other inner fixing nail through the tunnel, and final cable knotting tension band fixing can be conveniently completed.

The present invention relates to the technical field of copper wire manufacturing, and in particular to a wire feeding device of a copper wire drawing machine, comprising a die seat, one side of which is provided with a pressing plate for pressing down a wire drawing die, the end where the pressing plate is located is defined as the front end, and a spiral rod extending forward and backward is provided in the die seat; a conveying assembly and a stretching assembly are provided on the pressing plate, the stretching assembly is located on the left side of the conveying assembly, and the conveying assembly and the stretching assembly both include two helical gears arranged front to back and matched to clamp the copper wire, and the helical gear rotation speed of the stretching assembly is higher than the helical gear rotation speed of the conveying assembly; a cutting assembly is also provided on the pressing plate, which is located between the conveying assembly and the stretching assembly, and includes a swivel and a matching plate, the swivel is located at the rear end of the pressing plate, one side of the outer peripheral surface of the swivel is provided with a vertical cutter along the axial direction, and the matching plate is located on the front side of the swivel; the provision of the wire feeding device improves the threading efficiency of the copper wire, avoids the copper shavings generated by copper wire grinding from wearing the wire drawing die, and at the same time improves the service life of the wire drawing die.

The invention discloses a manufacturing process of a purely handmade bead stringing artwork, and provides a mechanical self-locking weaving method of three-bead annular rotation anchoring and double-bead progressive extension. According to the method, 0.3 mm micro beads serve as units, triangular mechanical anchor points are formed through a three-bead ring rotation path, and the tensile strength is improved by 30%; a double-bead progressive extension rule is adopted, zero-gluing self-locking curing is achieved, and the problem of degumming is solved; the structural hardness reaches 3H (baking for 2 hours at the temperature of 60 DEG C) by combining the nano-glue initial strengthening and ring rotation tension distribution technology; in the aspect of color, pixel-level natural fusion of multicolor gradient is realized through bead sequence arrangement and topological expansion of the progressive units, and the width error of a color band is less than or equal to 0.1 mm; the process is compatible with radial, spiral and fractal structures, and a 0.1 mm needle eye guide groove and a threading device are matched, so that the circulating precision error of the micro beads is smaller than or equal to 0.02 mm. The technology can be applied to jewelry, ornaments and wearable handicrafts, the service life of a finished product is prolonged by more than 5 times compared with that of a traditional technology, and the percent of pass is increased to 95%.

The invention relates to the technical field of drilling hobs, in particular to a testing device for manufacturing a drilling hob, which comprises a numerical control machine tool, and the numerical control machine tool comprises a tool assembly and a three-jaw chuck; the three-jaw chuck is used for clamping the hob drill bit and driving the hob drill bit to rotate; the tool assembly comprises a tool base, a threading tool is arranged on the end face of the tool base, and the threading tool is used for turning internal threads at the connecting position of the front end of the hob drill bit. The outer side of the tool base is fixedly sleeved with a thread testing ring, and the thread testing ring is matched with the thread connecting position of the hob drill bit. The tool assembly further comprises a linear reciprocating mechanism and a displacement sensor, a testing ejector rod of the displacement sensor is kept in contact with one end face of the thread testing ring, and the linear reciprocating mechanism is used for driving the displacement sensor to move between the thread testing ring and the end face of the hob drill bit in a reciprocating mode. And the integrated function of thread machining and testing is conveniently and efficiently realized.

To provide a method for controlling the passing speed of a tandem rolling mill by which the deterioration in the accuracy of the width of a checkered steel sheet is suppressed.SOLUTION: The sheet passing speed control method includes a calculation step of calculating an added sheet thickness obtained by adding a sheet thickness increase due to streaks of a checkered steel sheet to a base material sheet thickness, a determination step of determining a roll peripheral speed of the finishing rolling stand by mass flow control using the added sheet thickness, and a control step of performing control such that a roll peripheral speed of the finishing rolling roll becomes the roll peripheral speed determined in the determination step.SELECTED DRAWING: Figure 1

The application relates to the technical field of high-speed toll islands, in particular to a high-speed toll island body mechanism. The high-speed toll island body mechanism comprises a plurality of sequentially connected installation units. At least one threading assembly is arranged in the installation unit. The threading assembly comprises a mounting seat and a cover plate. The mounting seat is provided with a threading space. The cover plate is connected with the mounting seat and has a first state of closing the threading space and a second state of opening the threading space to form an opening. In the first state, the cable can be closed in the threading space. In the second state, the cable can enter and exit the threading space through the opening. The problems that the high-speed toll island body is formed by pouring concrete, the manufacturing period is long, and the cable is laid in the island body formed by pouring concrete, which causes inconvenience to the later line maintenance are solved.

The utility model belongs to the technical field of manufacturing of equipment special for textile processing, and particularly relates to a sewing needle booster which comprises a finger ring, a push rod and a push rod. The ejector pin block is installed on the installation part, a plurality of ejector pin grooves used for containing pin tails are formed in the upper surface of the ejector pin block, and a threaded through hole is formed in the side face of the ejector pin block; and the threading device is in threaded connection with the interior of the threaded through hole. The suture needle booster is worn on the finger of a worker through the finger ring, the upper portion of the finger ring is connected with the ejector pin block through the installation part, the ejector pin groove is formed in the surface of the ejector pin block, and during suture, the ejector pin block is used for ejecting the tail of a curved needle, and the curved needle ejector pin is pushed out to penetrate through wrapping cloth for suture; by means of the suture needle booster, the needle tail can be prevented from being in direct contact with finger skin, and therefore fingers are prevented from being stabbed when the needle tail is used for a long time.

The utility model provides an upper umbrella top structure which comprises an annular fastener and a base, the annular fastener is detachably connected with the base, and the annular fastener is provided with a plurality of rotating parts which are rotatably connected in the circumferential direction of the annular fastener; a plurality of clamping blocks are arranged on the base in the circumferential direction of the base, a gap is formed between every two adjacent clamping blocks, clamping shafts are arranged on the two sides of each clamping block respectively, and a clamping gap is formed between the clamping shafts of every two adjacent clamping blocks. According to the main umbrella rib, the clamping gap is formed between the clamping shafts of the two adjacent clamping blocks and can be used for clamping and fixing the rotating piece, so that the installation of the main umbrella rib is simplified, the assembly is convenient, the complex operation of manually punching and threading in the prior art is avoided, the manufacturing efficiency is greatly improved, and the manufacturing difficulty is reduced.

A fastener with improved threading for resisting multi-axial forces and off-axis loading scenarios is provided. The fastener may include a shaft and a plurality of helical threads disposed about the shaft. A method of manufacturing the fastener may include contacting at least one first-stage die to the fastener to form an initial helical threadform disposed about a shaft of the fastener and contacting at least one second-stage die to the fastener to deform the initial helical threadform, thus forming a modified helical threadform.

A threading machine performs a method for creating a continuous loop of twine. A plate has a first face, a second face opposite the first face, and a hole therethrough. A ring gear is disposed on the first face and rotates about a central axis aligned with the hole. A drive pulley unwinds the thread from a spool on the ring gear and through the central axis of the ring gear in a threading direction. The drive pulley directs the thread through the ring gear a plurality of times. The ring gear is held stationary as the drive pulley unwinds the thread during a first manufacturing step to form a core of the continuous loop and rotates as the drive pulley unwinds the thread during a second manufacturing step to wrap the thread around the core to form an outer wrap around the core.

The application discloses an automatic equipment for producing double-row-hole twisted wire brush, and relates to the technical field of intelligent manufacturing. The equipment comprises a rack, a chip mechanism, a feeding mechanism, a wire cutting mechanism, a wire hooking mechanism and a wire twisting mechanism arranged on the rack. The equipment is provided with an intermittent self-rotation work station, a transversely movable positioning feeding and wire twisting assembly, a wire cutting mechanism with double cutting positions and a wire hooking structure capable of synchronous lifting and transverse movement, and realizes automatic alignment, wire threading, cutting, hooking and twisting operations on the inner and outer row mounting holes of the brush disc. Especially when processing the outer row holes, the transverse offset compensation of the feeding path and the twisting head position effectively solves the torque transmission difference caused by the double-row structure, and ensures the consistency of the twisted wire forming quality. The equipment has compact structure, clear beat, strong adaptability, good non-obviousness and good industrial application prospect.

This application provides a drawstring threading device and its method for use in the field of tote bag manufacturing technology. It includes a worktable, a bag-supporting assembly, and a drawstring threading assembly. The bag-supporting assembly is disposed on the worktable and has a receiving groove with an opening at the top. The bag-supporting assembly can open the bag body and align the mounting hole with the receiving groove. The drawstring threading assembly includes a drawstring storage unit, a drawstring clamping unit, and a driving component. The drawstring storage unit can store the drawstring and has a drawstring outlet on its side near the receiving groove. One end of the drawstring extends out of the drawstring storage unit through the drawstring outlet. The driving component can drive the drawstring clamping unit to move back and forth between the drawstring outlet and the receiving groove. When the drawstring clamping unit is close to the receiving groove, it can clamp and pull the drawstring. When the drawstring clamping unit is in contact with the bag body on the bag-supporting assembly, the drawstring on the clamping unit can pass through the mounting hole and be inserted into the receiving groove. When the drawstring clamping unit is away from the receiving groove, the drawstring can be released. This application enables automatic drawstring threading of tote bags.

This application relates to a method and apparatus for self-folding origami structures based on a twisted-pair driver. The method includes: placing a twisted-pair driver on a ring-shaped base and forming an origami structure at the center of the base; calculating the threading method of the self-folding scheme based on the crease distribution characteristics of the origami structure and the displacement constraint principle under quasi-static conditions; threading the wires according to the threading method in the actual origami structure, and enabling the twisted-pair driver after threading, so that the wires are twisted together by the rotation of the motor of the twisted-pair driver, and the actual origami structure is folded by the force generated by the displacement constraint. This solves the problems of related technologies being difficult to apply to folding large-sized origami structures or origami structures with high stiffness at the creases, and having problems such as stringent environmental requirements, insufficient driving force, system complexity, and high manufacturing costs.

The manufacturing method of the coating sheath for the rope comprises the following steps that S1, sheath weaving is conducted, specifically, fibers are selected to be wound and woven to obtain prefabricated plied yarns, and the prefabricated plied yarns are woven through a weaving machine to obtain the sheath; s2, cutting and stringing are conducted, specifically, the sheath in the step S1 is cut according to the preset length, a plurality of stranded ropes are selected as guide ropes to penetrate through the sheath, and the guide ropes are fixed to the end of the sheath; s3, finishing a surface layer coating, namely coating the sheath in the step S2 in a manner of padding for multiple times and drying in sections; s4, tail end hardening coating finishing, wherein the end of the sheath coated with the coating in the step S3 is subjected to hardening treatment and aired; and S5, the tail end is cut flat, and the end part of the sheath in the step S4 is cut. According to the cable sheath, the weather resistance of the sheath is improved by arranging the coating, and the cable sheath is of a flexible structure, so that damage caused by hard-to-hard is avoided after the cable sheath is arranged on the cable in a covering manner. The cable can be directly sleeved with the locking structure, and then the locking structure is arranged in a segmented mode so that the locking structure can be fixedly connected with the cable in a segmented mode.

The invention discloses ship air conditioner cooling fin integrated manufacturing equipment in the technical field of cooling fin assembling, which comprises a driving part and a plurality of parallel guide pins, and further comprises a movable base, an advancing and retreating elastic part and a correcting mechanism, the movable base is mounted on the driving part, each guide pin is connected with the movable base through a sliding part, and the correcting mechanism is mounted on the movable base. The sliding piece can enable the guide needle to slide back and forth and left and right relative to the movable base; the advancing and retreating elastic piece is installed in the movable base and used for providing elastic reset force in the front-back direction for the guide needle. When the guide needles penetrate into the fins and are influenced by frictional resistance to control the advancing and retreating elastic pieces to stretch out and draw back to generate front-back dislocation, the correcting mechanism can control the advancing guide needles to deviate leftwards and rightwards towards the lagging guide needles; the problems that in the cooling fin assembling process, due to local hole position deviation, the resistance of a guide pin is suddenly increased, active correction in the left-right direction is lacked, the pin is clamped, the fin is damaged, and the pin threading success rate is suddenly decreased along with fluctuation of punching precision are solved.

A silicon carbide substrate includes a first main surface, a second main surface, a threading screw dislocation, and a blind scratch. The second main surface is located opposite to the first main surface. The threading screw dislocation extends to each of the first main surface and the second main surface. The blind scratch is exposed at the first main surface and extends linearly as viewed in a direction perpendicular to the first main surface. A value obtained by dividing an area density of the blind scratch by an area density of threading screw dislocation is smaller than 0.13.

The present application relates to a kind of alloy seamless steel tube rolling mill mandrel and its manufacturing method.It solves the defects such as unreasonable design of prior art.The alloy seamless steel tube rolling mill mandrel includes bite section and unthreaded section, the bite section and unthreaded section are solid structure section, the rear end of the bite section and the front end of the unthreaded section are connected by seamless steel tube, the bite section, the unthreaded section and the seamless steel tube form closed chamber inside.The application has the advantages that closed chamber makes alloy seamless steel tube rolling mill mandrel after pipe threading, when cooling in cooling pool, cooling water cannot enter to the inside of seamless steel tube, and because the inside of seamless steel tube has larger inner hole diameter, in the process of pipe rolling, the air inside due to low heat exchange rate, alloy seamless steel tube rolling mill mandrel at this time will not form rapid heat exchange to pipe rolling, to improve pipe rolling quality.

The invention discloses cable threading equipment for cable processing and a cable threading method thereof, and belongs to the technical field of cable manufacturing equipment. The problems of residual and leakage of molten rubber are solved through the vertically-arranged cable penetrating cylinder sets, the forming conical sleeves and the forming rings rotationally connected with the forming conical sleeves are arranged in the cable penetrating cylinders, the molten rubber is located at the bottoms of the forming conical sleeves all the time under the action of gravity, and upward leakage is avoided. The equipment is provided with a rotatable mounting disc, and cable penetrating cylinders with different inner diameters are switched through a rotating column so as to meet the processing requirements of wire cores of multiple specifications. The cable penetrating structure comprises an annular material injection box and a cooling forming pipe, a double-channel cooling system is adopted, an outer-layer annular cooling groove achieves cooling liquid circulation through a water pump, and inner-layer wrapping rubber is synchronously cooled and formed when passing through a discharging opening. The collecting mechanism is integrated with a cam assembly driven by a magnetic coupler, and the inserting action of the material injection pipe and the cooling pipeline is automatically triggered when the cable penetrating cylinders are switched. According to the equipment, automatic connection of residual material recovery, pipeline butt joint and cable penetrating cylinder switching procedures is achieved, and the machining efficiency of the multi-specification cables is remarkably improved.

The utility model discloses a reinforcing band combination mold core device for a composite pipe, which comprises a comb tooth assembly and a base assembly, the comb tooth assembly is positioned at the upper part of the base assembly, the comb tooth assembly is detachably connected with the base assembly, the comb tooth assembly comprises an inlaid strip cover plate and a comb tooth seat, and the inlaid strip cover plate is detachably connected with the comb tooth seat. The base assembly comprises a front base and a rear base. And the comb tooth assembly is connected with the base assembly through a lengthened screw rod which is longitudinally arranged. The reinforcing band combined mold core device for the composite pipe has the following advantages: 1, the comb tooth part is detachable, the weight is light, the threading is convenient, and the wire arrangement efficiency is high; 2, only the comb tooth part is made of a wear-resistant material, so that the manufacturing cost of the mold core is reduced; and 3, when the comb tooth part is damaged, only the comb tooth seat needs to be replaced, and half of the comb tooth mold core does not need to be replaced, so that the maintenance cost is reduced.

The utility model relates to the metallurgical industry cold-rolled plate strip production and manufacturing technical field, especially a hot-rolled strip steel threading head device, it includes, threading component, threading component includes threading piece, sets up threading hole spare on threading piece, connecting component, connecting component includes threading rope spare set up on threading hole spare, it can effectively apportion threading tension, improve the tearing resistance, and threading head portion is not easy to arch when driving threading strip steel threading, improves the passability of threading head portion, and need not repeatedly make the head and dismount equipment accessory etc. , save time and effort, and once threading success rate is improved.