43results about How to "Accurate penetration" patented technology

The invention discloses a device for arranging an embroidering bead tube for a common embroidery machine, which comprises that: a bead shifting head and a machine needle are fixed on the lower part of a needle rod in a needle rod frame; a mounting bracket is fixed on the side face of the needle rod frame; a stepping motor is fixed in the middle of the mounting bracket; a bead tube conveying device is fixed on the lower part of the mounting bracket and is movably connected with the stepping motor through a shifting fork; a bead tube conveying pipe joint is arranged on the front plane of the bead tube conveying device; and the bead tube conveying pipe is connected with the bead tube conveying pipe joint. The device has the advantages that: the device has simple and reasonable structure and convenient operation, and can accurately feed unpackaged bead tubes to the underside of the machine needle of the common embroidery machine, so that the bead tubes are embroidered on shell fabrics according to the requirement on patterns through holes in the bead tubes by the machine needle, the production efficiency is high, the droppoints of the embroidered patterned bead tubes are accurate, the shell fabrics are brilliant and attractive, the level and ornamental property of the shell fabrics are greatly improved, and the like.

The invention discloses an intelligent networking management platform for fire emergency communication, which relates to the technical field of fire wired and wireless voice communication. The intelligent networking management platform comprises a wireless channel access controller, a wireless user access controller, a serial port communication server, a voice switching server and a control management server, wherein the front end of the wireless channel access controller is connected with a various wireless channel machines or terminals, and the backend of the wireless channel access controller is in tandem with the serial port communication server and the voice switching server by a standard RS232 interface and a three-wire system audio interface to realize the wireless voice communication network access and control of a system. The intelligent networking management platform for the fire emergency communication configures parameters by manual operations or a reading plan in on fire-fighting and rescue site, can rapidly group different communication means and roles according to a commanding principle to avoid interference on communication among groups, and also can enable a commander to directly command and schedule any fighting unit on the site by voices in a wired / wireless way so as to improve the firefighting and rescue efficiency.

The invention discloses a sliding positioning guide device which comprises an arc-shaped fixing arm including an arc-shaped chute, an arc-shaped sliding arm matched with the arc-shaped chute, a positioning puncture needle matched with a positioning needle and a skeleton fixing part installed in a drill bit sleeve. The starting end of the arc-shaped fixing arm is provided with the drill bit sleeve radially extending along the arc-shaped fixing arm, and the drill bit sleeve is provided with a fixing screw for fixing the drill bit sleeve. The tail end of the fixing arm is provided with a fixing screw for fixing the sliding arm in the arc-shaped chute, the tail end of the sliding arm is provided with the positioning needle radially extending along the arc-shaped sliding arm, and the positioning needle is provided with a fixing screw for fixing the positioning needle. The arc-shaped fixing arm and the arc-shaped sliding arm are con-cyclic, the skeleton fixing part and the positioning needle are located on the same horizontal plane, and the skeleton fixing part installing the drill bit sleeve and the positioning needle encounter at the center of the circle. The sliding positioning guide device is simple in structure, convenient to operate and capable of accurately and rapidly enabling a drill bit or a guide needle to penetrate an appropriate position, reduces secondary operation injury on local soft tissues, shortens the operation time, reduces bleeding, reduces complications of postoperative patients and shortens the hospital stays.

The invention relates to a microvoid wire threading locating mechanism which comprises a rotating plate, a first motor, a thin diameter wire threading tube, an opposite-wheel wire feed device, an upper cover plate, a negative electrode, an operating platform and a second motor, wherein a stepping rotating mechanism is arranged at the lower end of the rotating plate, locating grooves used for containing work pieces are formed in the rotating plate, an output shaft of the first motor is connected with the stepping rotating mechanism at the lower end of the rotating plate, the thin diameter wire threading tube is fixed on the operating platform, one end of the thin diameter wire threading tube directly faces a wire threading station on the rotating plate, the opposite-wheel wire feed device is arranged at the end head of the other end of the thin diameter wire threading tube, the opposite-wheel wire feed device is fixedly arranged on the operating platform, the upper cover plate is arranged above the wire threading station, the negative electrode is arranged on one side, between the wire threading station and the thin diameter wire threading station, of the operating platform, the negative electrode is connected with an air cylinder, and the operating platform is connected with the second motor. Compared with the prior art, the microvoid wire threading locating mechanism has the advantages of being capable of rapidly and accurately threading wires for a fuse protector, high in automation degree, good in robustness, capable of improving working efficiency and the like.

Provided is a signing device for released fishes. The device includes a linkage assembly, a bottom plate, a signing gun assembly and a fish body fixing assembly, wherein the linkage assembly includes a pressing rod, a central supporting shaft, a supporting part and a second external spring; the supporting part is installed on the bottom plate, the central supporting shaft is installed on the supporting part, and the pressing rod body is hinged to the central supporting shaft; the fish body fixing assembly is composed of an air-operated pulling part and a fish body clamping part, the air-operated pulling part and the signing gun assembly are installed on the both ends of the pressing rod respectively, the fish body clamping par connected to the air-operated pulling part is installed on the bottom plate, and the fish body clamping part is positioned below the signing gun assembly; the both ends of the second external spring are installed on the pressing rod and the supporting part respectively. According to a signing method for the released fishes, the device is adopted for binding signboards on the released fishes. The signing device and method for the released fishes have the advantages of improving precision of binding the signboards, reducing falling rates of the signboards inside the bound fish bodies, decreasing damage caused on human and fishes by misoperation and the like, and belong to the field of experimental tools for aquatic products.

The invention relates to an automatic wire rod guiding and threading device and a wire rod guiding and conveying method. The device comprises a base, a through hole, a penetrating hole, an air leaking part, a wire rod guiding mechanism, an air source connector, a guide pipe and an air source flow guiding mechanism, wherein the through hole is formed on the base along an axis in a penetrating manner; the penetrating hole is formed at the part of the base along the radial direction, which is close to an inlet end, and is vertically penetrated with the through hole; the air leaking part is arranged the tail end of the through hole; the wire rod guiding mechanism is connected with an outlet end of the base in a sealing manner and is used for guiding a wire rod to stretch to the outside; the air source connector is connected with the base through the penetrating hole of the base in the sealing manner; the guide pipe is inserted in the through hole of the base and is located at the rear section of the penetrating hole of the base and is provided with a wire hole; and the air source flow guiding mechanism is sleeved in the through hole at the inlet end of the base and is communicated with the penetrating hole of the base. The method comprises the following steps that: the wire rod is conveyed into an inlet of the air source flow guiding mechanism; an air flow which is rushed forwards is generated by compressed air through air cavities in the air source connector and the base to enable the wire rod to be forwards conveyed along the guide pipe; and the wire rod is introduced into a needle pipe with a smaller introducing diameter through a tapered guiding hole of a wire rod guiding pipe; and the air flow is discharged from the air leaking part, and the wire rod is accurately transferred to an appointed position to be butted with a wiring terminal hole.

The invention relates to the technical field of pile top crown beams, and discloses fully-prefabricated pile top crown beams capable of being recycled, and a construction method thereof. The crown beams are arranged at the tops of supporting piles, and are sequentially spliced to connect the adjacent supporting piles; the crown beams are provided with anchorage holes corresponding to connecting anchor cables pre-buried in the tops of the supporting piles, and the connecting anchor cables vertically upwards penetrate through the anchorage holes and are locked and fixed through anchorage devices; and the two ends of the crown beams are provided with connecting convex parts and connecting concave parts, wherein the connecting convex parts and the connecting concave parts are mutually matched,and the adjacent crown beams are clamped and aligned through the connecting convex parts and the connecting concave parts. Cast-in-place construction is avoided, mounting saves the time and labor, the construction efficiency is high, environmental protection is achieved, the fully-prefabricated pile top crown beams can be reused after being recycled, and the construction cost is low.

The invention relates to an automatic buckle-belt-passing machine, comprising a belt passing apparatus and a transfer apparatus; the belt passing apparatus comprises a buckle fixing mechanism, a belt conveying mechanism and a belt cutting mechanism, the buckle fixing mechanism is provided with buckle fixing positions, the belt conveying mechanism is provided with a belt conveying driver and belt passages, the belt conveying driver drives belts to move along the belt passages, the buckle fixing positions correspond to the belt passages so that holes of buckles fixed to the buckle fixing positions are aligned with the belt passages, the belts are driven by the belt conveying driver out of the belt passages and then passed through the holes of the buckles fixed to the corresponding buckle fixing positions, the belt cutting mechanism cuts off the belts after the belts are passed through the holes of the buckles, the transfer apparatus comprises a belt turning mechanism and a gripping mechanism, the belt turning mechanism is arranged at the front ends of the buckle fixing positions, and the belt turning mechanism turns the belts passed through the holes so that the gripping mechanism performs gripping after the belts are cut off; the manual buckle belt passing manner is changed, automatic buckle belt passing is achieved, and production efficiency is improved.

The invention discloses an assembling system for motor vehicle parts. The assembling system comprises a base plate, an extrusion mechanism and feeding mechanisms located at the left side and the rightside of the extrusion mechanism, wherein nut feeding mechanisms are arranged at the positions of the two feeding mechanisms respectively, a horizontal movement mechanism is mounted at the front sideof the extrusion mechanism, assembling mechanisms are mounted at the two ends of the horizontal movement mechanism respectively in a sliding mode, the two assembling mechanisms are correspondingly located below the feeding and discharging ends of the two feeding mechanisms, and the extrusion mechanism, the two feeding mechanisms, the two nut feeding mechanisms and the horizontal movement mechanismare all mounted on the base plate. The assembling system has the technical effects that nuts are automatically fed to the assembling mechanisms, workers only need to place mandrels and end covers onthe assembling mechanisms where the nuts are located, and then extrusion assembling is performed through the extrusion mechanism, so that the quality of assembled products is guaranteed; and meanwhile, by adopting the machining mode of the assembling system, production efficiency is further improved, and the labor intensity of the workers is lowered.

The invention relates to the technical field of heat pipe production equipment, in particular to automatic core rod penetrating equipment for a heat pipe. The automatic core rod penetrating equipmentcomprises a workbench, a control cabinet arranged on the lower portion of the workbench and a display arranged on the workbench; and the workbench is further provided with a heat pipe storage device,a core rod storage device, a heat pipe pushing device, a core rod pushing device, a heat pipe clamping device, an auxiliary guiding device, a core rod pipe inserting device, a heat pipe conveying device, a core rod conveying device and a material receiving device. According to the automatic core rod penetrating device for the heat pipe provided by the invention, the pushing, conveying, core rod penetrating and discharging processes of the heat pipe can be automatically achieved, manpower is saved, and the working efficiency is greatly improved; and the device can adapt to heat pipes and core rods with different lengths and different pipe diameters, and can accurately and efficiently complete the process of penetrating the core rods through the heat pipe.

The invention discloses an online magnetic penetrating machine which comprises a support and a magnetic penetrating guide machine located on the support, a fixed frame and a manipulator fixed on the fixed frame, wherein the support can move according to the length of a sealing stripe; the magnetic penetrating guide machine comprises an upper guide plate, a lower guide plate and a reed; a passage for a magnetic stripe to pass is reserved between the upper guide plate and the lower guide plate; the reed comprises an upper reed piece and a lower reed piece; the upper reed piece is connected with the upper guide plate; the lower reed piece is connected with the lower guide plate; the upper reed piece and the lower reed piece are in V shape; and the magnetic penetrating guide machine and the manipulator operate on a same guide rail. The online magnetic penetrating machine can accurately penetrate the magnetic stripe into the sealing stripe, does not need adjusting equipment for producing sealing stripes with different heights, is high in automation degree, and can improve the production efficiency, improve the product quality, lower the cost and eliminate potential safety hazards.

The invention provides a seat supporting device and a scooter. The seat supporting device comprises a supporting base, the supporting base comprises a first stand column and a guide structure, a containing hole is formed in the first stand column, the guide structure is arranged at the top of the first stand column, the guide structure is provided with a guide hole communicated with the containinghole, and the cross sectional area of the guide hole is gradually decreased in the direction close to the first stand column to form a guide conical surface; the mounting rod is used for being connected with a seat, and the mounting rod penetrates through the guide structure and is arranged in the containing hole of the supporting seat in a penetrating mode. The seat supporting device is more convenient and faster to install.

The invention is applicable to the technical field related to medical instruments, and provides a guide needle insertion device for pleural disease biopsy needles; the guide needle insertion device comprises a support frame and a connecting frame slidably mounted on the support frame, and the connecting frame is driven by a driving mechanism mounted on the support frame to vertically move; a bearing piece is fixed to the connecting frame in the horizontal direction, and a clamping mechanism used for fixing the biopsy needle is fixedly installed on the bearing piece. A cutting assembly is arranged at the vertical position of the biopsy needle and installed on an installation frame connected with the bearing piece through an elastic assembly, a telescopic assembly used for driving the cutting assembly to move is arranged on the installation frame, and the telescopic assembly is controlled by a trigger mechanism installed on the supporting frame to move. The biopsy needle can be automatically guided, meanwhile, the skin at the puncture position can be automatically cut through the cutting assembly, and medical workers do not need to manually cut the skin.

The invention relates to a material level structure of screw workpiece composite washers and mainly relates to a structure enabling a screw workpiece to be capable of extending into a ring hole of the corresponding washer, so that the screw workpiece can be assembled with the corresponding washer. The material level structure is mainly an elastic rear-butting-against structure, so that the blanking washers can be elastically sprung to a screw channel of the screw workpiece, and furhter the screw workpiece is penetratingly extended into the ring hole of the corresponding washer accurately.

The invention discloses a totally implantable venous access port system puncture assisting device. A step through hole is formed in a fixing base; a first upper cover component comprises a first uppercover, a connecting plate and a separation mechanism; the connecting plate is connected with the lower surface of the first upper cover through a first connecting rod; a sterilization buffer paste isdetachably connected with the lower surface of the connecting plate; the separation mechanism is arranged on the first upper cover; a second upper cover component comprises a second upper cover and clamping parts which are connected in sequence; a plurality of first notches in an axial direction are formed in the clamping parts; and a plurality of guide holes are formed in the second upper cover.An injection base of a totally implantable venous access port system can be effectively positioned through a large hole in the fixing base; the first upper cover component is connected with a small hole in the fixing base; through the separation mechanism, the sterilization buffer paste can be pasted to corresponding skin above the injection base inside the large hole, and thus an injection partcan be sterilized; and the second upper cover component is connected with the small hole in the fixing base, a butterfly wing needle can accurately puncture into the injection base under guidance of the guide holes in the second upper cover component, and thus the puncture accuracy can be effectively improved.

The invention relates to a steel ring sleeving device. The steel ring sleeving device comprises a working platform, a pressing mechanism arranged on the working platform, and a sleeving mechanism arranged on the working platform and located on one side of the pressing mechanism; and the sleeving mechanism is used for automatically sleeving a steel ring with a braid sleeve of a bra. During processing, the bra is firstly placed on the working platform, the direction of the braided sleeve is adjusted, the opening of the braided sleeve is aligned with the sleeving mechanism, and then the pressingmechanism is controlled to move, so that the bra is pressed and fixed on the working platform by the pressing mechanism; the steel ring penetrates into the sleeving mechanism, the end of the steel ring is manually inserted into the end opening of the braided sleeve by a small length, so that subsequent accurate sleeving of the steel ring can be guaranteed; finally, the sleeving mechanism is controlled to move, the sleeving mechanism can automatically push the steel ring to move to penetrate into the braided sleeve, and therefore the steel ring sleeving operation can be completed. The labor intensity is reduced, the labor cost of an enterprise is reduced, the production efficiency is improved, and the economy of the enterprise is improved.

The invention discloses a full-automatic handmade carpet winding displacement machine which comprises a grating precise positioning mechanism, an automatic thread feeding device and an automatic thread tail breaking device, a bottom movable frame assembly sequentially comprises a landing frame, a high-precision longitudinal moving frame and a needle plate frame from bottom to top, and a longitudinal sliding mechanism is arranged between the landing frame and the high-precision longitudinal moving frame; a longitudinal driving mechanism is arranged between the floor frame and the high-precision longitudinal moving frame, an interlocking mechanism is arranged between the needle plate frame and the high-precision longitudinal moving frame, a needle plate is fixed to the upper side of the needle plate frame, at least one set of thread pulling mechanism is fixed to the movable longitudinal beam, and at least one set of thread hooking mechanism corresponding to the thread pulling mechanism is installed on the floor frame at the thread starting end. At least one set of wire tail automatic wire breaking device is installed on the wire tail end landing frame, and a wire inlet and color wire selecting mechanism is installed on the outer side of the wire tail end landing frame. Automatic operation can be achieved, the manual participation degree in the wire arranging process is reduced, the labor intensity is reduced, the wire arranging precision and the wire arranging efficiency are improved, and the production cost is saved.

The invention discloses a lease rod penetrating device for a sizing machine. The lease rod penetrating device comprises a lease rod body, a groove is formed in the lease rod body in the axial direction of the lease rod body, an ejector groove parallel to the lease rod body is formed in the position, located below the groove, of the lease rod body, an ejector is embedded in the ejector groove, anda thread clamp is arranged at the arc end of the ejector. A compression spring is arranged at the position, located on the inner wall of one end of the groove, on the lease rod body, the compression spring makes elastic contact with the plane end of the ejector, and an ejection button assembly is arranged on the lease rod body and connected with the ejector through a buckle assembly. The manner ofclamping a stranded thread through the thread clamp is adopted in the lease rod penetrating device, preliminary fixing of the stranded thread and the ejector is convenient, the preliminarily-fixed stranded thread can penetrate inside rapidly, accurately and flexibly through cooperation with the ejection manner of an ejection spring and the ejector, the operation burden of penetration of the stranded thread is reduced, the errors during manual thread penetrating are avoided, and the thread penetrating efficiency is improved.

The invention discloses a heat pipe automatic net penetrating and pipe shrinking device which comprises a workbench, a displayer arranged on the workbench and an electric control system arranged on the lower portion of the workbench, and the workbench sequentially comprises a discharging device, a conveying device, a net penetrating device, a net pushing device, a pipe shrinking device and a collecting device from front to back according to the machining sequence. A positioning device, an auxiliary device and a visual device are further arranged. The net penetrating device sequentially comprises an adjusting device, a synchronizing device and a net feeding device in the net feeding direction. According to the device, the procedures of discharging, conveying, net penetrating, net pushing, pipe shrinking and collecting of the heat pipes can be automatically achieved, manpower is saved, and the working efficiency is greatly improved; and the device can also adapt to heat pipes with different pipe lengths and diameters and silk screens with different wire widths, and the production efficiency is remarkably improved on the premise that the net penetrating quality and the pipe shrinking quality are guaranteed.

The invention belongs to the technical field of medical instruments, and particularly relates to a minimally invasive negative pressure drainage apparatus for aesthetic and plastic surgery. The drainage apparatus comprises a gun type shell, a liquid storage bottle and a drainage tube, wherein the gun type shell also comprises a front barrel, a middle barrel, a back casing, a connecting part, a hand press rod and a handle, a transition chamber is arranged in the front barrel, the left end of the transition chamber communicates with a drainage nozzle, an infusion hose is mounted at the left endof the drainage nozzle through a joint in a sealing manner, the bottom end of the transition chamber communicates with a connecting nozzle, the bottom end of the connecting nozzle is in threaded connection with a liquid storage bottle, and the right end of the transition chamber communicates with an air inlet nozzle; and a support frame and a horizontal support plate are fixed on the inner wall ofthe middle barrel, a telescopic air pump is fixedly mounted on the support frame, the left end of the telescopic air pump communicates with an air inlet pipe and an air outlet pipe, and the air inletpipe is connected with the air inlet nozzle. The drainage apparatus occupies small space and greatly facilitates taking and operation of medical workers. The drainage apparatus can realize continuousrepeated suction of tissue hydrops and is high in efficiency and convenient to operate.

The invention relates to the technical field of medical detection, in particular to autoimmune antibody detection equipment which is characterized by comprising a shell, a reagent tube, a detection device, a pushing mechanism, an intermediary mechanism and a detection mechanism, the detection device is fixedly mounted on the front surface of the shell, and the shell is slidably connected with the reagent tube; the inner surface of the shell is fixedly connected with a pushing mechanism, the pushing mechanism is fixedly connected with an intermediary mechanism, the intermediary mechanism is in sliding connection with a detection mechanism, and a detection button and a pipe withdrawing button are fixedly arranged on the front surface of the shell; blood to be detected can be collected through the arranged reagent tube and put into the whole detection equipment at the same time, the shell provides a closed working environment for the whole equipment, the detection button can control the power supply of the whole equipment to be started, and after the detection button is pressed down, the blood can be detected. The pushing mechanism can drive the intermediary mechanism and the reagent tube filled with blood to continuously move towards the position below the detection mechanism, and the detection mechanism can detect the blood in the reagent tube.

The invention provides a sewing machine with automatic threading function, which belongs to the technical field of sewing machines. It solves the technical problems such as the low degree of automation of sewing machine threading. The sewing machine includes a casing, a side cover, a thread take-up lever and a machine needle. The needle has a threading hole, and the outer surface of the casing is located between the thread take-up lever and the needle with a thread break detection device; the outer surface of the casing is also A thread clamping structure for thread clamping and thread cutting is fixed, and a thread release structure is provided on the side cover. The thread release structure includes a rotating link and a driving member that drives the rotating link to swing to the side of the threading hole of the needle; the rotating link One end of the clamping cylinder and the top line cylinder are fixed, the outer end of the output shaft of the clamping cylinder is fixed with a clamping plate, the clamping plate has an open groove, and the output shaft of the top line cylinder is fixed with an opening groove The ejector rod; the casing is provided with a threading structure capable of clamping the suture at the clamping plate and passing through the threading hole of the needle. The sewing machine of the invention improves the automation degree of threading of the existing sewing machines.

The invention discloses a damming pile driver. The damming pile driver comprises a pile driver body, a pile frame, a pile hammer and an intelligent control device. The intelligent control device is located on the pile driver body, the pile driver body is connected with the pile frame, the pile frame is connected with the pile hammer through an angle adjusting device, the pile hammer is connected with a metal plate, the tail end of the pile hammer is provided with a speed sensor and an ultrasonic generator, and the speed sensor and the ultrasonic generator are connected with the intelligent control device. The intelligent control device is connected with a power source through a second switch. The damming pile driver can work out the influence data of outlet water flow impact on piling andthe inclination angle of a corresponding pile, the metal plate can accurately penetrate a stratum, water flow is prevented from flowing, and therefore the purpose of fighting a flood is achieved.

The invention provides a punching and nail penetrating integrated device applied to coaming box assembly, and relates to the field of punching and nail penetrating devices. The device comprises a box body, one side of the box body is rotatably connected with a nail shaking box, the two sides of the box body are both fixedly connected with fixing plates, one side of the box body is fixedly connected with a supporting plate, a nail penetrating assembly is arranged at the top of the supporting plate, and the nail penetrating assembly comprises a connecting plate. The bottom of the connecting plate is fixedly connected with four nail gun chucks, the four nail gun chucks are communicated with the connecting plate, and the top of the connecting plate is fixedly connected with a nail gun. According to the device, the punching needle is inserted into the nail gun, the punching needle pushes a rivet in the nail gun, the rivet is inserted into a hole-forming wood board drilled by a punching drill bit through the nail gun chucks, rapid nailing is facilitated, rapid assembling of the rivet is achieved, and the rivet is more accurate and integrated in the nailing process.

The invention discloses a laboratory mouse blood sampling method and a blood sampling experiment table. The experimental mouse blood sampling method comprises the following steps: fixing an experimental mouse, and fixing the experimental mouse on a fixing plate of a test bed; obtaining a thermodynamic diagram of the laboratory mouse, and obtaining a thermodynamic diagram of a horizontal plane and a thermodynamic diagram of a vertical plane of the laboratory mouse; obtaining coordinates of the target organ according to the thermodynamic diagram, and obtaining coordinates of the target organ in a horizontal plane and a vertical plane according to the horizontal plane thermodynamic diagram and the vertical plane thermodynamic diagram; moving the blood sampling assembly to the target organ according to the coordinate, and moving the blood sampling assembly to the target organ according to the coordinate of the horizontal plane and the coordinate of the vertical plane of the target organ; and the blood sampling assembly is used for sampling blood. According to the laboratory mouse blood sampling method and the blood sampling experiment table, the experience requirements of experimenters can be reduced, and use is convenient.

The invention provides a guiding and threading structure in an automatic threading device of an industrial sewing machine, and belongs to the technical field of sewing. The technical problem that theautomation degree of threading of existing industrial sewing machines is low is solved. The industrial sewing machine comprises a shell, a side cover fixedly arranged at one end of the shell, a take-up lever and a frame needle. The frame needle is provided with a threading hole. The guiding and threading structure comprises a rotary connecting rod, a driving piece, a guide plate and a threading connecting rod. One end of the rotary connecting rod is fixedly provided with a silk clamping air cylinder and a silk ejecting air cylinder. The outer end of an output shaft of the silk clamping air cylinder is fixedly provided with a silk clamping plate. The silk clamping plate is provided with an open slot. An output shaft of the silk ejecting air cylinder is fixedly provided with an ejecting rodfacing the open slot. The rotary connecting rod and the guide plate are arranged on the two sides of the frame needle respectively. The threading connecting rod is slidably arranged on the guide plate. The end, facing the frame needle, of the threading connecting rod is fixedly provided with a flexible threading hook. By means of the guiding and threading structure, the automation degree of threading of the existing industrial sewing machines is greatly improved.