CN218291224U - Automatic threading device for yarn core - Google Patents

Abstract

The utility model relates to an automatic technical field who leads device of spinning specifically is an automatic device of leading of yarn core, including sending a module, defeated silk module and lead a module and all fix in the frame of rear, the lead a module set up in the top left end of frame, the lead a module is located the top right-hand member of frame, send a module with defeated silk module all is located the rear middle part of frame is upper and lower position distribution, lead a module and include cylinder, crochet hook anchor clamps, core silk guide platform, PU pipe mount table, push-and-pull electromagnet mount table and mounting and the drive that provides the air supply, install the PU pipe on the PU pipe mount table, install the cylinder mounting bracket on the core silk guide platform, the utility model discloses the number of times of feeding of linear device when having reduced the core silk and leading has improved the holistic work efficiency of device greatly, and the success rate that the device led the core silk also improves to some extent, and design device compact structure, part cooperation required precision is lower.

Description

Automatic threading device for yarn core

Technical Field

The utility model relates to an automatic technical field who wears to draw the device of spinning, concretely relates to automatic device that wears to draw of yarn core of air-jet vortex spinning.

Background

The air jet vortex spinning is one of the wrapping spinning methods, the wrapping mode is slightly different from the air jet spinning, the fiber output by a roller is sucked into a guide part by the negative pressure generated by the rotating airflow and moves forward along a streamline type conveying channel in a gathering shape, when the front part of the fiber reaches the outlet of the channel, the front part of the fiber bypasses a guide rod in the streamline direction and is dragged by a yarn tail in a yarn guide pipe to form core fiber, and the rear part of the fiber is separated from each other and lodged on an ingot end under the influence of the axial component of the rotating airflow when the fiber is discharged from the outlet of the channel, and then the core fiber is wrapped in a spiral shape under the action of the circumferential component of the rotating airflow; the air-jet vortex yarn with the two-phase structure consisting of the core fiber and the wrapping fiber is continuously formed, and the head end part and the tail end part of each fiber in the yarn are respectively arranged in the two-phase structure, so that the yarn is uniform in evenness, less in hairiness, higher in strength, and better in wear resistance and color absorption of the manufactured fabric.

The core-spun yarn is divided into core filament and cladding fiber, and the core filament and the fiber have specific working conditions in the production process, so that the overall requirements for the device are as follows: before and after threading, the position of the nozzle needs to be kept unchanged; according to the spinning principle of the core-spun yarn, the cladding fiber can enter a fiber channel under the action of local negative pressure of a wedge-shaped area of a rolling roller and an inlet of a nozzle guide, the core yarn needs to be manually fed into a spinning assembly, but the manual core yarn feeding is difficult due to the structure of the device and the characteristics of the core yarn.

Chinese patent: CN215800136U discloses an automatic threading and threading device of core filament for processing vortex spinning covering yarn, which can adjust the tension force when the core filament is transmitted, and effectively solves the problems of low quality of finished yarn and easy yarn exposure caused by poor stability of core filament transmission of the threading device in the prior art; the technical scheme mainly solves the traction problem in spinning, but in the face of threading, the existing spinning core yarn needs to be manually fed into a spinning assembly, but the core yarn is difficult to manually feed due to the characteristics of the device structure and the core yarn; the threading difficulty is mainly reflected in that: the diameter of the core wire guide hole on the upper part of the core-spun yarn nozzle is extremely small; the hollow ingot and the hollow ingot lower holding body below the nozzle are easy to be misplaced due to aging, so that the core wire is blocked; although the core wire guide body and the hollow spindle are concentric, the core wire is still easy to deviate and misplace in the threading process, so that a yarn core automatic threading device is required to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technique not enough, provide an automatic threading device of yarn core, concrete implementation mode as follows:

the technical scheme of the utility model: an automatic yarn core threading device comprises a yarn feeding module, a yarn conveying module, a yarn pulling module and a yarn guiding module, wherein the yarn feeding module, the yarn pulling module and the yarn guiding module are fixed on a rear rack, the yarn guiding module is arranged at the left end above the rack, the yarn pulling module is arranged at the right end above the rack, the yarn feeding module and the yarn conveying module are arranged in the middle of the rear of the rack and are distributed in the vertical direction, the yarn pulling module and the yarn guiding module comprise an air cylinder, a crochet clamp, a yarn guiding table, a PU pipe installing table, a push-pull electromagnet installing table and a fixing piece and provide driving of an air source, a PU pipe is installed on the PU pipe installing table, the yarn guiding table is provided with an air cylinder installing table, the yarn guiding table ascends under the driving of a telescopic air cylinder, suction air flow is introduced to suck a yarn, then an air cylinder rod retracts to expose the linear yarn, the linear yarn is initially positioned at a yarn inlet through the yarn on the yarn guiding module, and is sucked by negative pressure, so that the yarn is in a linear state; the free ends of the conveying crochet hook and the core wire in the wire drawing module penetrate through a wire guide needle hole, and the conveying wire guide needle in the wire feeding module penetrates out of the nozzle; the thread conveying module clamps the end part of the thread, so that the thread guide needle completely penetrates out of the nozzle, and then the threading of the core thread is realized.

The utility model discloses a further improvement lies in: the core wire guide platform is fixed with the rack through a screw, the whole cylinder and the core wire guide platform are fixed through a mounting nut of the cylinder, the bottom of the cylinder is supported on the plane of the rack, the core wire guide platform is used as a wire leading and wire drawing motion bearing body and mainly used as two modules for mounting the rack, due to the fact that the requirement on the rigidity of parts is not high, 3D printing with a fast processing mode is adopted, the parts are made of high-toughness resin, and the size error of the parts is about 0.2 mm.

The utility model discloses a further improvement lies in: the PU pipe mounting table is installed inside the core wire guide table and fixedly connected with the telescopic rod through an internal screw, and the rear end of the PU pipe mounting table is a clamping groove which is as wide as the core wire guide table and used for limiting the left-right swinging of the mounting table.

The utility model discloses a further improvement lies in: be equipped with the spacing ring between cylinder mounting bracket and the core silk guide platform, be equipped with rodless cylinder slip table on the cylinder mounting bracket, be fixed with the crochet hook through anchor clamps on the rodless cylinder slip table, rodless cylinder slip table reachs left extreme position from right extreme position, and the motion in-process drives the crochet hook passes through the spacing ring penetrates the pinhole of guide wire needle, the crochet hook is located the core silk rear, and later the electricity is stretched out on the push-and-pull electro-magnet, presses the core silk on crochet hook cylinder surface, and the slip table moves to the right, and the core silk gets into crochet hook type region to under the crochet hook of crochet hook holds to penetrate guide wire needle pinhole.

The utility model discloses a further improvement lies in: the wire feeding module comprises a linear module, an electromagnet supporting table, an electromagnet, a baffle, a funnel and a wire leading needle, the wire feeding module is arranged on the supporting seat, a coupler is arranged at the upper end of the supporting seat, and a motor piece is arranged at one end, far away from the supporting seat, of the coupler.

The utility model discloses a further improvement lies in: the lower extreme of supporting seat is equipped with two linear rails, is two be equipped with electro-magnet and fixed electro-magnet between the linear rail, the electro-magnet sets up on the electro-magnet saddle, removes the electro-magnet circular telegram, with fixed electro-magnet actuation, remove the electro-magnet motion in-process will draw the silk needle and push away from initial position, later the motor rotates, transports draw the silk needle and wear to draw downwards, move to the assigned position, the electro-magnet separates, and the silk subassembly that presss from both sides rises, later continues to wear to draw downwards, repeats above action, realizes at last the tip of drawing the silk needle is worn out the nozzle by a certain length.

The utility model discloses a further improvement lies in: defeated silk module includes gyro wheel, deep groove ball bearing, step motor and the solid fixed ring of optical axis and gyro wheel saddle, the gyro wheel sets up on the gyro wheel saddle, one side of gyro wheel sets up the solid fixed ring of optical axis, the gyro wheel is kept away from the solid fixed ring's of optical axis other one side is equipped with the shaft coupling, the shaft coupling is kept away from one side of gyro wheel is equipped with deep groove ball bearing, deep groove ball bearing keeps away from one side of shaft coupling is equipped with step motor.

The utility model discloses a further improvement lies in: the diameter of the thread guide needle is 0.2mm, and the length of the thread guide needle which can penetrate out of the lower end of the nozzle is 10mm +/-1 mm.

The utility model has the advantages that:

1. through the core wire conveying module, a driving meshing roller of a micro motor keeps rotating at a constant speed, the lower end of a wire leading needle penetrates out of a hollow ingot and then enters a roller meshing area, the wire leading needle drives a core wire to penetrate out of a nozzle structure under the action of roller friction force, and the strength of the wire leading needle is higher than that of the core wire, so that the success rate of threading the core wire by the device is improved, the device designed by the scheme has a compact structure, the requirement on part matching precision is low, and the function of automatic wire feeding can be realized;

2. the wire conveying module 300 is designed to mainly consist of two parts, namely an integral moving component and a core wire conveying component; the moving assembly enables the core wire conveying device to move up and down, so that complete threading of the core wire can be better realized, and the conditions of core wire blocking and deviation and dislocation are prevented.

Drawings

Fig. 1 is a front view of the general structure of the threading device of the present invention;

FIG. 2 is a side view of the general structure of the threading device of the present invention;

fig. 3 is a partial view of the general structure of the lead-trough device of the present invention;

fig. 4 is a front view of the threading module and the traction module of the present invention;

fig. 5 is a side view of the threading module and the traction module of the present invention;

fig. 6 is a schematic view of the structure of the guide table of the present invention;

fig. 7 is a schematic view of the stopper ring structure of the present invention;

FIG. 8 is a schematic view of the threading needle of the present invention;

FIG. 9 is a schematic diagram of a structure of a needle gage clamp holder support base of the present invention;

FIG. 10 is a structural view of the wire feeding device of the present invention;

FIG. 11 is a structural view of the wire feeding device of the present invention;

fig. 12 is a schematic structural view of the wire feeding module of the present invention.

Reference numerals:

100-rack, 200-wire feeding module, 300-wire conveying module, 400-wire pulling module, 500-wire inlet, 600-wire guiding module,

700-spinning component, 1-push-pull electromagnet fixing table, 2-core wire guiding table, 3-crochet hook, 4-automatic return cylinder, 5-PU pipe, 6-PU pipe mounting table, 7-push-pull electromagnet, 9-cylinder rod, 11-needle gauge clamping handle, 12-rodless cylinder sliding table, 13-cylinder mounting table, 14-limiting ring, 15-screw, 16-cylinder fixing frame, 17-motor sheet, 18-supporting seat, 19-aluminum profile, 20-electromagnet, 22-wire guide needle, 23-bearing sheet, 24-funnel, 25-screw rod sliding block, 26-baffle, 27-saddle, 29-screw, 30-electromagnet, 31-wire rail, 32-coupler, 33-wire rail sliding block, 34-optical axis fixing ring, 35-roller, 36-abrasive paper, 37-roller saddle, 38-coupler, 39-deep groove ball bearing and 40-stepping motor.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the accompanying drawings and examples, which are only used for explaining the present invention and do not limit the scope of protection.

The embodiment provides an automatic threading device of yarn core, and aims at the above problems, a core wire threading scheme meeting the functional requirements is designed, and as shown in fig. 1, the whole device is divided into four parts: send a module 200, defeated silk module 300, lead a module 400, lead a module 600, fix on rear frame 100, lead a module 600 and be located the top left end, lead a module 400 and be located the top right-hand member, send a module 200 with defeated silk module 300 is located the rear middle part, and is the distribution of upper and lower position, and its function does, lead a module 600: the core wire is initially positioned at a wire inlet, and is in a linear state by utilizing negative pressure suction; the wire drawing module 400: the free ends of the conveying crochet hook and the core wire pass through the needle hole of the wire guiding needle; the wire feeding module 200: the conveying threading needle 6 penetrates out of the nozzle structure; the wire conveying module 300: and clamping the end part of the lead wire, so that the lead wire needle completely penetrates out of the nozzle, and further, the threading of the core wire is realized.

The working mode of automatic threading is as follows:

(1) a preparation stage: the core wire is arranged in the wire inlet; the crochet is at the right end of the device (the side away from the core wire) and the threading needle 6 is now suspended in a specific position.

(2) The starting stage is as follows: the air pump of the silk leading module 600 is opened, the cylinder rod 9 extends out, the PU pipe 5 directly connected with the negative pressure machine is pushed to move upwards to be matched with the upper end guide hole to absorb the core silk, then the cylinder rod 9 retracts, the PU pipe 5 descends, and part of the core silk in the PU pipe 5 is exposed.

(3) The working stage is as follows: the wire drawing module 400 works, the crochet needle 3 is used for penetrating a core wire into a needle hole of a wire leading needle 22, the crochet needle 3 is fixedly connected with a moving part of a cylinder, the wire feeding module 200 is similar to the wire drawing device of the first scheme, the electromagnets 20 are switched on and off in a specific sequence and are matched with a motor in motion, and the wire leading needle 22 is conveyed to penetrate into a nozzle micropore under the guidance of a funnel; after the wire feeding is finished, the electromagnet 30 is powered off, and the linear sliding table returns to the initial position; in the core wire conveying module, a driving meshing roller of a micro motor keeps rotating at a constant speed, the lower end of a wire leading needle 22 penetrates out of a hollow ingot and then enters a roller meshing area, and the wire leading needle 22 drives a core wire to penetrate out of a nozzle structure under the action of roller friction force.

(4) The core wire threading device of the scheme finishes working.

The wire leading module is designed to have two main movements:

the holding movement of the end part of the fixed core wire and the up-and-down movement of the conveying core wire mainly realize that the core wire is in a linear state at a specific position, so that the module needs to be capable of continuously providing a certain pulling force but cannot damage the core wire; the method of negative pressure suction is considered, (1) the core wire can be positioned; (2) but also can reach the linear state of the core wire under the action of suction force, and has little damage to the core wire; (3) the length of the sucked core wire is related to the length of the core wire separated from the wire cylinder, and the length is easy to adjust; (4) the leading-out end of the PU pipe 5 which is introduced into the negative pressure airflow has small size, is convenient to install and control, and can expose part of core wires by using the cylinder to move the end position of the PU pipe 5, thereby providing a foundation for subsequent movement.

The silk pulling module has two motions: the axial movement of the crochet hook 3 and the depth movement of the core wire, the radial error required by the axial movement of the crochet hook 3 is small, the space and the self weight are limited, although the radial position can be ensured by the linear module, the crank slide block and the like, the occupied space is large, the quality is high, therefore, the transverse movement of the traction device adopts the cylinder transmission, compared with other linear mechanisms, the transverse movement of the traction device adopts the cylinder transmission, the installation space is minimum, the structure is simple, the stable movement is realized, the cylinder cost is low, the weight is light, the depth movement of the core wire is pushed, the push-pull electromagnet 30 is selected, the pushing force and the stroke can be freely selected, the size is small, and the quality is low.

Two-way movement of the wire feed module: the vertical motion of the fuse pin 22 is conveyed and the transverse motion of the fuse pin 22 is clamped, the longitudinal motion sends the fuse pin 22 into a nozzle structure, and a plurality of linear motion structures are available, so that the longitudinal motion requirements are high-precision adjustability and quick response, a spiral transmission mechanism is adopted for longitudinal motion, the transverse motion requirements are quick to loosen, the impact on the fuse pin 22 at the closing moment is small, and the module adopts the electromagnet 30, so that the clamping force is controllable, the cost is low, and the size is small.

The silk conveying module moves in two directions: centre gripping the transverse motion of fuse needle 22 and the longitudinal motion of carrying the fuse needle require right the fuse needle 22 wearing and tearing are low and can last the transport, select for use intermeshing's gyro wheel, and the control of being convenient for can reach the centre gripping and the transport effect of fuse needle 22 install the longitudinal section area moreover little, easily assembly.

The traction wire leading and wire drawing module mainly comprises an air cylinder, a crochet hook clamp, a core wire guide table 2, a PU pipe installation table 6, a push-pull electromagnet 7 installation table, a fixing piece and a drive component for providing an air source, wherein the core wire guide table 2 is fixed with a rack of an aluminum profile 19 through an M5 ship-shaped screw 15, the whole air cylinder and the guide table 2 are fixed together through an installation nut of the air cylinder, the bottom of the air cylinder is supported on the plane of the rack, and the PU pipe installation table 6 is installed inside the guide table and fixedly connected with a telescopic rod through an internal screw; the rear end of the PU pipe installation table 6 is provided with a clamping groove with the same width as the core wire guide table 2, and the clamping groove is used for limiting the left-right swing of the PU pipe installation table 6; the push-pull electromagnet 30 is small in mass and size, the push-pull electromagnet 30 is suspended and placed, a push-pull electromagnet mounting table is matched with the extending end of a transition table and is tightly fixed by screws and nuts, the PU tube mounting table 6 is mounted inside the core wire guide table 2 and is fixedly connected with a telescopic rod through an internal screw 15, and the rear end of the PU tube mounting table 6 is a clamping groove which is as wide as the core wire guide table 2 and used for limiting the left-right swing of the mounting table 6.

The specific working mode is as follows:

the PU pipe 5 is fixed on the PU pipe mounting table 6, ascends under the driving of a telescopic cylinder, is introduced with suction airflow, and sucks a core wire, then the cylinder rod 9 retracts to expose the core wire in a linear state, the crochet hook 3 is fixed on the rodless cylinder sliding table 12 through a clamp, and the rodless cylinder sliding table 12 reaches a left limit position from a right limit position; in the moving process, the crochet hook 3 is driven to pass through the limit ring 14 and penetrate into the needle hole of the silk guide needle 22, the crochet hook 3 is located behind the core wire, then the push-pull electromagnet 7 is electrified and extends out, the core wire is pressed on the cylindrical surface of the crochet hook 3, the sliding table moves to the right, the core wire enters the hook-shaped area of the crochet hook 3 and penetrates into the needle hole of the silk guide needle 22 under the hooking of the crochet hook 3.

The core wire guide platform 2 is mainly used as two module installation frames as a wire leading and wire drawing motion bearing body, the requirement on the rigidity of parts is not high, so that 3D printing is fast in processing mode, the parts are made of high-toughness resin, and the size error of the parts is about 0.2 mm.

The left ends of the components of the wire leading module 600 and the wire pulling module 400 are provided with a cylindrical boss, the tapered groove is designed, the maximum diameter is 14 mm, the minimum diameter is 1mm, the groove depth is 10mm, and the cylindrical boss is mainly used for guiding and limiting the position of the crochet hook 3; the upper end is a core wire guide hole, the upper part of the guide hole is designed as a frustum, the diameter of an inner hole is 6mm, and the inner hole is a core wire inlet; guiding a conical hole at the lower part of the PU pipe 5, wherein the conical hole is used for guiding the PU pipe 5, the small diameter is 8 mm, the large diameter is 14 mm, the height is 5.5 mm, and the conical surface is used for guiding the PU pipe 5; an L-shaped through groove with the width of 1mm is formed from the middle of the guide hole to the right end of the part and serves as a withdrawal channel of the core wire, the rear end of the part is a 5 x 80 rectangular through groove and is used for being connected with a rack, and the cross section of the middle of the conical groove is dislocated with the cross section of the center of the guide hole by 4 mm, which is a movable space of the core wire in the PU tube 5.

The right side of the core wire guide table 2 is provided with a limiting ring 14 which is mainly used for placing a wire leading needle 22 and a guide crochet hook 3, a conical through hole at the lower part of the core wire guide table is concentric with the crochet hook 3 and a boss conical groove, the diameter is large, the diameter is small, the wire leading needle 22 is suspended on a boss at the left side, and the core wire guide table is designed to be conical so as to be convenient for the wire leading needle 22 to be separated; the parts are basically unstressed, are connected with the transition table through slotted holes, are in transition fit, are adjustable in position, and are structurally shown in figure 3.

The diameter of the filament guiding needle 22 is selected to be smaller than the minimum diameter of the nozzle micropore of 0.3 mm, and the needle hole of the filament guiding needle 22 is required to have a larger aperture and to be easy to shrink so as to penetrate into the nozzle structure, so that a 0.2mm diameter twist needle is selected, the twist needle is formed by twisting two strands of 0.1 mm metal wires, a needle hole is reserved at the upper end, as shown in fig. 5, the total height of the nozzle of the spinning part is 65mm, and the maximum specification twist needle length is selected to be 92 mm for clamping and conveying.

The main effect of needle gage handle supporting rack links firmly the needle gage handle with no pole cylinder slip table 12, carries out the motion transmission, to the bearing requirement: the positioning clamp handle is easy to assemble, is designed into an open-loop structure, is in clearance fit with the needle gauge clamp handle 11, a phi 3 screw is installed on a boss above the open loop and is fastened, the clamp handle is fixed by means of contact friction force, the structural size of the base is the same as that of the rodless cylinder sliding table 12, the distance between the circular ring and the base surface is 15 mm by considering the installation space of the screw, and the specific structure is shown in fig. 6.

Send a module 200 mainly comprises linear module, electro-magnet saddle, electro-magnet 20, baffle 26, funnel 24 and fuse needle 22, and the ultimate movement distance of primary election linear device 200 mm, send a module setting on supporting seat 18, the upper end of supporting seat 18 is equipped with shaft coupling 32, shaft coupling 32 keeps away from the one end of supporting seat 18 is equipped with motor piece 17.

The specific working mode is as follows:

the electromagnet 30 is moved to be electrified and is attracted with the fixed electromagnet 30, the filament guide needle 22 is pushed away from the initial position in the moving process of the movable electromagnet 30, then the motor rotates to convey the filament guide needle 22 to penetrate downwards and move to the designated position, the electromagnet 30 is separated, the filament clamping assembly rises, then the filament clamping assembly continues to penetrate downwards, the actions are repeated, and finally the end part of the filament guide needle 22 penetrates out of the nozzle for a certain length.

The assembly diagram of the filament feeding module 300 is shown in fig. 8, and mainly includes a roller 35, a bearing, a stepping motor 40, an optical axis fixing ring 34, a roller saddle 37, etc., the saddle fixes a sliding table with an air cylinder (not shown), when the end of the filament guiding needle 22 passes through the nozzle and enters the roller meshing area, the filament guiding needle 22 is dragged out of the nozzle by friction force, and the core filament is folded in half and passes through the nozzle.

The thread conveying module 300 is used for completely leading out the thread guide needle 22 from the nozzle device, so that the core thread is completely threaded, and the thread conveying process is required to be as follows: the traction force is uniform, so that the core wire is prevented from being broken after threading is finished; the wire conveying module 300 mainly comprises two parts, namely an integral moving component and a core wire conveying component; the moving assembly enables the core wire conveying device to move up and down, so that complete threading of the core wire can be better realized, and a space is reserved for subsequent cleaning work of the nozzle; the motion input is a rodless cylinder common to the cleaning devices described below.

In combination with the structure of the integral device, the diameter of the filament guiding needle 22 is 0.2mm, the length of the filament guiding needle 22 which can penetrate out of the lower end of the nozzle is approximately 10mm, and considering the diameter of the filament conveying roller, the filament guiding needle 22 needs to be partially below the meshing position of the roller, namely the diameter of the roller is selected to be 6mm, and the outside of the roller is coated with a layer of frosted material, the diameter of the roller is 8 mm; at the upper limit position of the cylinder, the distance between the silk conveying device and the lowest end of the nozzle is two millimeters, namely after the silk guide needle penetrates out of the cylinder by 6mm, the silk guide needle enters the working position of the conveying module to meet the requirement; the roller is limited on the roller bracket by adopting an optical axis fixing ring, a micro deep groove ball bearing 39 is arranged at the transition position of the roller bracket at the rod part of the polishing wheel, and the roller bracket is fixed on a rodless cylinder sliding block.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an automatic threading device of yarn core which characterized in that: including sending a module, defeated silk module and leading a module and all fixing in the frame of rear with the module of drawing a silk, the module of drawing a silk set up in the upper left end of frame, the module of drawing a silk is located the upper right end of frame, send a module with defeated silk module all is located the rear middle part of frame is upper and lower position distribution, the module of drawing a silk and the module of drawing a silk include cylinder, crochet hook anchor clamps, core silk guide platform, PU pipe mount table, push-and-pull electro-magnet mount table and mounting and provide the drive of air supply, install the PU pipe on the PU pipe mount table, install the cylinder mounting bracket on the core silk guide platform.

2. An automatic threading device of yarn core according to claim 1 characterized in that: the core wire guide table is fixed with the rack through a screw, the whole cylinder is fixed with the core wire guide table through a mounting nut of the cylinder, and the bottom of the cylinder is supported on the plane of the rack.

3. An automatic threading device of yarn core according to claim 2 characterized in that: the PU pipe mounting table is installed inside the core wire guide table and fixedly connected with the telescopic rod through an internal screw, and the rear end of the PU pipe mounting table is a clamping groove with the same width as the core wire guide table.

4. An automatic threading device for yarn cores according to claim 1, characterized in that: a limiting ring is arranged between the air cylinder mounting rack and the core wire guide platform, a rodless air cylinder sliding table is arranged on the air cylinder mounting rack, and a crochet hook is fixed on the rodless air cylinder sliding table through a clamp.

5. An automatic threading device for yarn cores according to claim 4, characterized in that: the wire feeding module comprises a linear module, an electromagnet supporting table, an electromagnet, a baffle, a funnel and a wire leading needle, the wire feeding module is arranged on the supporting seat, a coupler is arranged at the upper end of the supporting seat, and a motor piece is arranged at one end, far away from the supporting seat, of the coupler.

6. An automatic threading device of yarn core according to claim 5 characterized in that: the lower extreme of supporting seat is equipped with two linear rails, two be equipped with electro-magnet and fixed electromagnet between the linear rail, the electro-magnet sets up on the electro-magnet saddle.

7. An automatic threading device of yarn core according to claim 1 characterized in that: defeated silk module includes gyro wheel, deep groove ball bearing, step motor and the solid fixed ring of optical axis and gyro wheel saddle, the gyro wheel sets up on the gyro wheel saddle, one side of gyro wheel sets up the solid fixed ring of optical axis, the gyro wheel is kept away from the solid fixed ring's of optical axis other one side is equipped with the shaft coupling, the shaft coupling is kept away from one side of gyro wheel is equipped with deep groove ball bearing, deep groove ball bearing keeps away from one side of shaft coupling is equipped with step motor.

8. An automatic threading device for yarn cores according to claim 5, characterized in that: the diameter of the threading needle is 0.2mm, and the length of the threading needle which can penetrate out of the lower end of the nozzle is 10mm +/-1 mm.

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