CN114684666B

CN114684666B - Cladding device is used in cladding yarn production

Info

Publication number: CN114684666B
Application number: CN202210584278.2A
Authority: CN
Inventors: 曹美丽
Original assignee: Nantong Ruibu Textile Co ltd
Current assignee: Nantong Ruibu Textile Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-23
Anticipated expiration: 2042-05-27
Also published as: CN114684666A

Abstract

The invention provides a cladding device for producing cladding yarn, which relates to the technical field of textile equipment and comprises a rack, wherein a plurality of cladding units are arranged on two sides of the rack along the length direction of the rack in an array manner; each covering unit comprises a yarn core feeding mechanism, a covering mechanism and a winding mechanism which are sequentially arranged from bottom to top, and one side of the winding mechanism is provided with a waste silk receiving mechanism; the yarn core feeding mechanism comprises a feeding base plate with a vertical axis, a feeding clamping shaft coaxial with the feeding base plate is arranged on the feeding base plate, and a yarn core material roll is arranged outside the feeding clamping shaft; the coating mechanism comprises two coating assemblies which are arranged up and down, each coating assembly comprises a hollow spindle of which the axis is vertically arranged, an outer coating coil is arranged outside each hollow spindle, and the hollow spindles on the same side and the same layer on the rack are driven by a tangential belt; the center of the hollow spindle is provided with a yarn penetrating hole coaxial with the hollow spindle, and a threading assembly is vertically and slidably arranged in the yarn penetrating hole. The invention is convenient for rapidly threading the yarn core wire and can cut and collect the initial covering yarn with poor covering quality.

Description

Cladding device is used in cladding yarn production

Technical Field

The invention relates to the technical field of textile equipment, in particular to a covering device for producing covering yarns.

Background

The covered yarn is also called wrapping yarn, and is a yarn with a novel structure, which takes filament or short fiber as a yarn core, is covered with another filament or short fiber sliver, and the covered yarn covers the core yarn in a spiral mode.

When the covering yarn is produced, a covering yarn machine needs to be used, if Chinese patent with the publication number of CN207597025U discloses a multi-spinning-ring covering machine, the multi-spinning-ring covering machine comprises a bottom plate, a support is arranged at the top of the bottom plate, a fixing device is arranged at the top of the bottom plate, a yarn core silk thread cylinder is arranged at the top of the fixing device, a yarn guide device is arranged at the top of the yarn core silk thread cylinder, the yarn guide device is arranged inside the support, a first hollow spindle is arranged at the top of the yarn guide device, and a second hollow spindle is arranged at the top of the first hollow spindle. When the yarn winding device works, yarn core yarns on the yarn core yarn barrel enter the inside of the first hollow spindle and the inside of the second hollow spindle through the yarn guide, and the yarn core yarns inside the first hollow spindle and the inside of the second hollow spindle and yarns wound outside are coated together through the yarn winding device.

In the practical use process of the covering machine, the yarn core silk threads need to penetrate through the inside of the first hollow spindle and the inside of the second hollow spindle, so that when the yarn core silk thread barrel is replaced each time, the end parts of the yarn core silk threads need to penetrate through the first hollow spindle, the second hollow spindle and other parts in sequence manually and finally are wound on the covering yarn parallel barrel. And the yarn core silk thread is softer, and first hollow spindle and second hollow spindle have certain height, and difficult operation wastes time and energy when threading. In addition, the wrapping quality of the wrapping yarn initially collected on the wrapping yarn parallel cylinder is poor, the follow-up practical effect of the wrapping yarn is influenced, the rolling of the finished wrapping yarn is not stable enough, and the wrapping yarn is inconvenient to disassemble and replace after rolling.

Disclosure of Invention

The invention aims to provide a covering device for producing covering yarns, which is convenient for rapidly threading yarn core wires, can cut and collect initial covering yarns with poor covering quality, ensures the quality of the covering yarns, ensures the stability of the winding process of the covering yarns and is convenient for unloading the covering yarns.

The technical purpose of the invention is realized by the following technical scheme:

a cladding device for producing cladding yarn comprises a frame, wherein a plurality of cladding units are arranged on two sides of the frame in an array manner along the length direction of the frame; each coating unit comprises a yarn core feeding mechanism, a coating mechanism and a winding mechanism which are sequentially arranged from bottom to top, and a waste silk receiving mechanism is arranged on one side of the winding mechanism;

the yarn core feeding mechanism comprises a feeding base plate with a vertical axis, a feeding clamping shaft coaxial with the feeding base plate is arranged on the upper end face of the feeding base plate, and a yarn core material roll is mounted outside the feeding clamping shaft;

the coating mechanism comprises two coating components which are arranged up and down, the coating components comprise hollow spindles with vertical axes, outer coating rolls are arranged outside the hollow spindles, and the hollow spindles in the coating components on the same side and layer on the rack are driven by a tangential belt; the center of the hollow spindle is provided with a yarn penetrating hole coaxial with the hollow spindle, and a penetrating component is vertically and slidably mounted in the yarn penetrating hole;

the threading assembly comprises a threading ring which is coaxial with the yarn threading hole and is positioned above the hollow spindle, the lower end surface of the threading ring is connected with a threading rod which is vertically arranged, the lower end of the threading rod extends out of the lower end of the hollow spindle, and the bottom of the threading rod is provided with a yarn core clamp matched with the yarn threading hole;

the yarn core clamp comprises a clamp seat connected with the threading rod, clamping plates symmetrical about the threading rod are arranged on the clamp seat, and the two clamping plates are close to or far away from each other and are slidably mounted on the clamp seat; one side, close to each other, of each of the two clamping plates is provided with a semicircular yarn hole, and the two semicircular yarn holes are combined to form a whole circular yarn hole coaxial with the yarn through hole;

two sides of the semicircular yarn hole on one of the clamping plates are respectively provided with a plurality of concave clamping grooves, and the other clamping plate is provided with a convex clamping block matched with the concave clamping grooves; the clamping plate provided with the concave clamping grooves is provided with yarn core grooves arranged along the length direction of the clamping plate, the yarn core grooves penetrate through one end, away from the clamping seat, of the clamping plate, the yarn core grooves are sequentially communicated with a plurality of concave clamping grooves and corresponding semicircular yarn holes, two ends of the bottom of each yarn core groove are provided with arc-shaped transition surfaces, and the other clamping plate is provided with a plurality of yarn clamping blocks matched with the yarn core grooves; when the two clamping plates are close to each other to enable the two semicircular yarn holes to be combined into a full-circle yarn hole, the convex clamping block is clamped in the corresponding concave clamping groove, and the yarn clamping block is clamped in the corresponding yarn core groove.

By adopting the technical scheme, the yarn core material roll is clamped on the feeding clamping shaft, the outer covering material roll is clamped on the hollow spindle, the yarn core wire sequentially passes through the whole circular yarn hole of the threading component in the covering component, the yarn threading hole of the hollow spindle, the whole circular yarn hole of the threading component in the other covering component and the yarn threading hole of the hollow spindle from bottom to top, in the process, the outer covering wires on the two outer covering material rolls are respectively twisted outside the yarn core wire, and finally, the outer covering wires are wound on the winding mechanism together to be wound. When the covering work is normally carried out, the tangential belt drives the corresponding hollow spindle to rotate, the covering yarn is covered outside the yarn core wire to form the covering yarn in the rotating process of the covering material roll, and the roll-up mechanism rotates to roll up the covering yarn.

When the yarn core material roll needs to be replaced and the yarn core wire needs to be threaded again, the yarn core wire firstly passes through the lower layer cladding assembly and then passes through the upper layer cladding assembly. The method comprises the following steps of firstly opening two clamping plates of a yarn core clamp, placing the end part of the yarn core between the two clamping plates and clamping the end part of the yarn core in a yarn core groove, then closing the two clamping plates, and realizing clamping and fixing the end part of the yarn core by utilizing the matching of a convex clamping block and a concave clamping groove and the matching of a yarn clamping block and the yarn core groove. And then the threading ring is pulled upwards, the threading rod is utilized to integrally pull the yarn core clamp to pass through the yarn threading hole, and thus the end part of the yarn core is led out from the yarn threading hole. And then pulling the yarn core wire from the circular yarn hole, loosening the yarn core wire by the yarn core clamp, loosening the threading ring after the end part of the yarn core wire penetrates through the threading ring, integrally resetting the threading assembly under the action of gravity, and sequentially penetrating the yarn core wire through the circular yarn hole, the yarn threading hole and the threading ring. And repeating the steps, enabling the yarn core wire to pass through the coating assembly on the upper layer, finally conveying the yarn core wire to the waste silk receiving mechanism forwards, collecting the coating yarn with poor quality of the initial coating by using the waste silk receiving mechanism, then cutting off the coating yarn, and winding the coating yarn with good quality by the winding mechanism.

Above-mentioned process utilizes to wear to draw the subassembly and realizes fast that the yarn heart yearn wears drawing of yarn hole from hollow spindle, and convenient saving trouble, and utilizes the cooperation of protruding type clamp splice and spill clamp groove and the cooperation of clamp yarn piece and yarn heart groove, guarantees that the yarn heart presss from both sides the fixed effect of clamping to the yarn heart yearn, avoids wearing the ring to carry out whole in-process yarn heart yearn that wears to drop from the yarn heart yearn clamp at the pulling, guarantees that the yarn heart yearn once wears to draw successfully. The yarn core clamp is provided with the round yarn hole for the yarn core wire to pass through, so that interference between the yarn core clamp and the yarn core wire when the hollow spindle rotates to wrap the outer covering yarn is avoided, and normal feeding of the yarn core wire is prevented from being influenced. And the arc transition surface at the end part of the yarn core groove prevents the yarn core wire from being broken due to too sharp end part of the yarn core groove, and reduces the occurrence of the yarn breaking phenomenon. In addition, the covering yarn with poor quality of initial covering is collected by the waste silk receiving mechanism, and the covering yarn with good covering quality is wound by the winding mechanism, so that the quality of the covering yarn is ensured, and the subsequent continuous use of the covering yarn is facilitated.

Furthermore, one side of each clamping seat, which is close to the corresponding clamping plate, is provided with a dovetail groove arranged along the length direction of the clamping seat, and one ends of the two clamping plates, which are close to the clamping seats, are respectively provided with a dovetail block slidably arranged in the dovetail grooves; a resisting spring arranged along the length direction of the dovetail groove is respectively fixed between one side of the two dovetail blocks, which is far away from each other, and the inner wall of the dovetail groove, which is close to the dovetail groove, and the two clamping plates are close to each other to enable the two semicircular yarn holes to be combined into a whole circular yarn hole in a normal state; two one side that the forked tail piece is close to each other is equipped with the electro-magnet respectively, and two the one end that the electro-magnet is close to each other is homopolar, when two when the electro-magnet circular telegram, two splint keep away from each other and make protruding type clamp splice be located outside the spill slot, the clamp yarn piece is located outside the yarn core slot.

Through adopting above-mentioned technical scheme, forked tail piece slidable mounting realizes with two splint slidable mounting on the holder on the dovetail, and guarantees the gliding stability of splint, guarantees the whole result of use of yarn core clamp promptly. In a normal state, under the tension action of the abutting spring, the two clamping plates are close to each other, and the yarn core wire penetrates through the whole round yarn hole formed by the two semicircular yarn holes, so that feeding is facilitated. When threading yarn core line needs to clamp yarn core line tip to yarn core groove and spill clamp inslot, for the electro-magnet circular telegram, because two electro-magnets one end that is close to each other is the homopolar, utilize homopolar repulsion principle, make two dovetail blocks keep away from each other, support the spring and be compressed, make two splint keep away from each other and open, and protruding type clamp splice is located outside the spill clamp groove, the clamp splice is located outside the yarn core groove, be convenient for put into yarn core inslot with yarn core line tip, after the yarn core line is put into, power off for the electro-magnet, two splint are close to each other under the tension effect that supports the spring and reset, realize the centre gripping of yarn core line fixedly. Above-mentioned simple structure utilizes to support the opening and the closure that tight spring and repellent electro-magnet realized the yarn core fast and press from both sides, convenient operation, and supports tight spring and electro-magnet and be located forked tail piece both sides respectively, avoids the electro-magnet circular telegram back to supporting the spring emergence interference.

Furthermore, the bottom of the threading rod is provided with an anti-falling rod positioned on the extension line of the threading rod, and the inner wall of the threading hole is provided with a limiting groove which vertically penetrates through the hollow spindle and is matched with the threading rod and the anti-falling rod; the yarn guide rollers are arranged on the machine frame along the length direction of the machine frame, are respectively positioned below the lower layer cladding assembly and above the upper layer cladding assembly and are respectively positioned at two sides of the axis of the yarn through hole; yarn core wires on the yarn core material roll are wound around from the lower part of the lower yarn guide roller, wound out from the upper part of the upper yarn guide roller and vertically penetrate through the yarn through hole.

By adopting the technical scheme, the whole threading assembly and the hollow spindle are clamped by utilizing the matching action of the limiting groove and the threading rod, the threading assembly is prevented from jumping excessively along the axial direction of the hollow spindle in the rotation process of the hollow spindle, and the stability of the threading assembly in the coating process is improved. Wherein, set up the anticreep pole and can wear to draw the ring and press from both sides whole pulling out with the yarn core and wear the yarn hole upper end back anticreep pole still to be located the spacing inslot, avoid wearing to draw the subassembly wholly to break away from still need the installation that resets from wearing the yarn hole, improve the efficiency of wearing to draw of yarn core. And two yarn guide rollers are arranged, and the action path of the yarn core wire is regulated by the cooperation of the yarn guide rollers and the yarn through holes, so that the anti-falling rod is prevented from being hooked on the yarn core wire in the rotating process of the hollow spindle.

Furthermore, the waste silk receiving mechanism comprises a waste silk rack, a waste silk roller with an axis arranged along the length direction of the rack is positioned and rotatably mounted on the waste silk rack, a guide rod parallel to the waste silk roller is arranged on one side, close to the winding mechanism, of the waste silk rack, a yarn guide seat capable of sliding in a reciprocating manner along the length direction of the guide rod is arranged on the guide rod, a yarn guide wheel with an axis arranged along the sliding direction of the yarn guide wheel is positioned and rotatably mounted on the yarn guide seat, and a yarn guide groove is annularly formed in the outer wall of the yarn guide wheel; the yarn guide seat is vertically and slidably provided with a yarn cutter positioned right above the yarn guide groove, and one side of the yarn guide seat, which is far away from the waste yarn roller, is provided with a negative pressure suction head; the yarn guide wheel is connected with a coaxial meter counter, and the meter counter is in communication control connection with the shredding knife and the negative pressure suction head.

Through adopting above-mentioned technical scheme, the cladding yarn of initial cladding is seen off the back from cladding mechanism, see off and twine the waste silk roller from the yarn guide groove on, the waste silk roller rotates rolling cladding yarn tip, and at this in-process, the guide holder is whole along guide bar reciprocating sliding for the cladding yarn can evenly twine on the waste silk roller, and the yarn guide wheel rotates not only to play the pay-off effect, and the yarn guide groove plays limiting displacement to the cladding yarn moreover. When the meter counter displays that the wrapping yarn wound on the waste yarn roller reaches a certain length and indicates that the wrapping quality of the wrapping yarn is stable, the meter counter communicates and feeds back to control the negative pressure suction head to suck the wrapping yarn, and the yarn cutting knife moves downwards to cut off the wrapping yarn. Therefore, the covering yarn with poor covering quality is collected by the waste yarn roller, the end part of the covering yarn with good covering quality is sucked by the negative pressure suction head, the covering yarn is prevented from being loosened and falling back at the moment of cutting off, and the end part of the covering yarn is conveniently sent to the winding mechanism to be wound. The yarn guide groove can also be matched with the yarn cutting knife to play a supporting role when the covering yarn is cut off, and the cutting effect on the covering yarn is ensured.

Furthermore, an auxiliary roller parallel to the waste silk roller is arranged on the waste silk frame, one end, close to the waste silk frame, of the auxiliary roller is connected with a stripping seat in a positioning and rotating mode, the stripping seat is installed on the waste silk frame in a sliding mode along the direction close to or far away from the auxiliary roller, and a waist-shaped groove which is arranged along the sliding direction of the stripping seat and matched with the stripping seat is formed in the waste silk frame; the waste silk frame is characterized in that a stripping cylinder arranged along the axial direction of the auxiliary roller is arranged in the waist-shaped groove, a piston rod of the stripping cylinder penetrates through the waist-shaped groove to be connected with a material pushing plate located between the waste silk roller and the auxiliary roller, and a waste material box is arranged below one end, far away from the waste silk frame, of the waste silk roller.

By adopting the technical scheme, when the waste silk roller winds the covering yarn with poor covering quality, the covering yarn is wound outside the auxiliary roller and the waste silk roller, when the wound covering yarn reaches a certain length, the stripping seat is driven to move towards the direction close to the waste silk roller, and the wound covering yarn loses the support tightening effect of the auxiliary roller and then is sleeved on the waste silk roller and the auxiliary roller in a loose manner. At the moment, the stripping cylinder works to drive the material pushing plate to move along the length direction of the waste silk roller, waste covering yarns on the waste silk roller are pushed to fall into a waste box, the waste covering yarns are discharged and collected, centralized treatment of the waste covering yarns is facilitated, and then the material pushing plate and the auxiliary roller reset so as to collect the waste silk initially covered by the covering yarns again. The waist-shaped groove is arranged to play a role in yielding the stripping cylinder along with the movement of the stripping seat and the sliding of the driving material pushing plate, so that the interference is avoided, and the normal operation of waste silk stripping work is ensured.

Furthermore, the furling mechanism comprises a furling frame arranged on one side of the waste silk frame, a furling shaft parallel to the waste silk roller is positioned and rotatably installed on the furling frame, a material receiving barrel coaxial with the winding shaft is clamped outside the winding shaft, and a yarn guide which slides in a reciprocating manner along the axial direction of the winding shaft is arranged on one side of the furling frame away from the waste silk frame; one side of the winding frame close to the waste silk frame is provided with an air blowing plate which is positioned above the winding shaft and matched with the negative pressure suction head, the air blowing plate is obliquely arranged, one side of the air blowing plate close to the winding shaft is a higher end, and an air blowing opening facing the winding roller is arranged on the inclined surface of the air blowing plate.

By adopting the technical scheme, the covering yarn passes through the yarn guide, the material collecting cylinder is clamped on the winding shaft, and the winding shaft drives the material collecting cylinder to rotate to wind the covering yarn. When the yarn cutter cuts off the covering yarn, the negative pressure suction head sucks the end part of the covering yarn, the air blowing plate works, the air blowing port is used for blowing air to the winding roller, the covering yarn covered by the covering mechanism continues to be fed, so the covering yarn is in a certain loose state and is attached to the surface of the material collecting barrel under the blowing force action of the air blowing plate, the negative pressure suction head loosens the end part of the covering yarn, the winding shaft drives the material collecting barrel to rotate, the covering yarn attached to the surface of the material collecting barrel is driven by the material collecting barrel to be wound, and when the material collecting barrel stably winds the covering yarn, the air blowing plate stops working, the yarn guide device drives the covering yarn to reciprocate, and the uniformity of winding the covering yarn by the material collecting barrel is guaranteed. Above-mentioned roll-up mechanism simple structure utilizes the cooperation of blowing board and negative pressure suction head to realize the transfer rolling of cutting off back cladding yarn, need not to improve cladding yarn rolling efficiency at artifical manual winding, reduces artifical intensity of labour.

Furthermore, a discharge hole positioned at one end of the winding shaft is formed in the winding frame, and an anti-falling assembly matched with the winding shaft is arranged at the discharge hole; the anticreep subassembly includes vertical slidable mounting in discharge gate department and with rolling axle tip complex limiting plate, the one end that the rolling axle is close to the limiting plate is equipped with rather than coaxial anticreep hole, be equipped with on the limiting plate with anticreep hole complex anticreep axle, the anticreep axle is along rolling axle axial slidable mounting on the limiting plate.

Through adopting above-mentioned technical scheme, during the normality, the limiting plate is located discharge gate department and closes the discharge gate, and rolling axle tip and limiting plate butt, anticreep axle insert the anticreep downthehole, guarantee rolling axle pivoted stability, and utilize the limiting plate to carry on spacingly to the epaxial receipts feed cylinder of rolling, avoid receiving the feed cylinder to slide along the rolling axle or even drop, the influence is to the rolling effect of cladding yarn. When the winding of the covering yarn is completed, the covering yarn roll needs to be taken down to replace an empty material receiving barrel, the anti-falling shaft is pulled out from the anti-falling hole, and the limiting plate is driven to integrally move down to open the discharge hole, so that the material receiving barrel completing the winding is taken down from the winding shaft.

Furthermore, the limiting plate is provided with an anti-falling groove which is axially arranged along the anti-falling shaft, one end of the anti-falling shaft, which is far away from the anti-falling hole, is provided with an anti-falling block which is slidably arranged in the anti-falling groove, a tension spring which is arranged along the sliding direction of the anti-falling block is arranged between one end of the anti-falling block, which is far away from the anti-falling shaft, and the anti-falling groove, and the anti-falling shaft is positioned in the anti-falling groove under the action of the tension spring in a normal state; be equipped with the unlocking groove of vertical setting and lower extreme and anticreep groove intercommunication on the limiting plate, the vertical slip of unlocking inslot has the unlocking lever, one side that the unlocking lever bottom is close to the anticreep piece and the one end that the anticreep piece is close to the unlocking lever are equipped with the scarf of mutually supporting, work as during unlocking lever and the slip fit of anticreep piece scarf, the anticreep piece is kept away from to the anticreep axle one end stretches out outside the anticreep groove.

Through adopting above-mentioned technical scheme, drive unlocking lever downstream, under the mating action of scarf on unlocking lever and anticreep piece, the anticreep piece drives the whole anticreep axle and removes along the anticreep groove to the anticreep axle slips out from the anticreep inslot and inserts in the anticreep hole of rolling shaft tip. And tension spring exerts pulling force to the anticreep piece all the time for the scarf of anticreep piece and unlocking lever tightly supports, avoids rolling the axle and rotates and receive material in-process unlocking lever and shift up. When needs are unloaded, the manual unblock pole that will make progress pulls out, and the anticreep piece loses behind the limiting displacement of unblock pole and is pulled back by tension spring to the realization is extracted the anticreep axle from the anticreep is downthehole to reset, and the limiting plate of being convenient for moves down and opens the discharge gate. The anti-release shaft is driven to be inserted or pulled out in a sliding mode through the unlocking rod and the tension spring, operation is convenient, and the effect is obvious.

Furthermore, a vertically arranged tension spring is arranged between the bottom of the unlocking rod and the unlocking groove, and in a normal state, the upper end of the unlocking rod extends out of the unlocking groove under the action of the tension spring, and the lower end of the unlocking rod is positioned above the anti-falling block; the upper end of the limiting plate is provided with a limiting block matched with the unlocking rod, one end of the limiting block is rotatably arranged on the limiting plate, and the rotating axis of the limiting block is vertically arranged on one side of the unlocking groove; when the unlocking rod is in sliding fit with the wedge surface of the anti-falling block, the limiting block rotates to the lower end surface to be abutted against the upper end surface of the unlocking rod.

Through adopting above-mentioned technical scheme, drive unlocking lever downstream makes the anticreep axle insert the downthehole back of anticreep, rotates the stopper and makes terminal surface and the butt of unlocking lever up end under the stopper, utilizes the stopper to carry on spacingly to the unlocking lever like this, avoids the unlocking lever to shift up and leads to the anticreep axle to follow the downthehole extraction of anticreep, guarantees the stability of the rolling axle rotation rolling in-process anticreep axle. When needs are unloaded, rotate the stopper and leave the unblock pole upper end, relieve the limiting displacement of stopper to the unblock pole, unblock pole upwards plays under tension spring's tension this moment, relieves the limiting displacement to the anticreep piece, and the anticreep piece loses behind the limiting displacement of unblock pole by tension spring pull back to the realization is extracted the reset from the anticreep downthehole anticreep axle. The automatic reset of the unlocking rod and the limiting of the unlocking rod are achieved by the tension spring and the limiting block, the structure is simple, the operation is more convenient, and the effect is obvious.

Furthermore, U-shaped groove blocks matched with the side edges of the furling frame are arranged at two ends of the limiting plate, and the side edges of the furling frame are vertically matched with the U-shaped groove blocks in a sliding manner; one of them U type tank internal location is rotated and is installed the unblock gear, unblock gear connection has its pivoted unblock motor of drive, roll-up frame lateral wall is equipped with the unblock rack with unblock gear engagement and vertical setting.

Through adopting above-mentioned technical scheme, the vertical sliding fit of roll-up frame side and U type notch brick realizes with the vertical slidable mounting of limiting plate on the roll-up frame, and guarantees the whole gliding stability of limiting plate. When the limiting plate needs to be driven to slide, the unlocking motor works to drive the unlocking gear to rotate forwards or reversely, the whole limiting plate is driven to vertically ascend or descend under the meshing action of the unlocking gear and the unlocking rack, the structure is simple, the operation is convenient, the driving structure for the limiting plate to vertically slide is effectively simplified, and the space and the volume are saved.

In conclusion, the invention has the following beneficial effects:

1. the threading assembly is vertically and slidably arranged in the threading hole of the hollow spindle and comprises a threading ring, a threading rod and a yarn core clamp, the threading of a yarn core wire from the threading hole of the hollow spindle is quickly realized by the threading assembly, the threading is convenient and trouble-saving, and the yarn core clamp is provided with a convex clamp block, a concave clamp groove, a yarn clamp block and a yarn core groove which are matched with each other, so that the clamping fixing effect of the yarn core clamp on the yarn core wire is ensured, the yarn core wire is prevented from falling off from the yarn core clamp in the process of pulling the threading ring to integrally thread the yarn core wire, and the success of threading the yarn core wire at one time is ensured;

2. the waste silk receiving mechanism is arranged for collecting the covering yarns with poor quality during initial covering, the cutting-off of the covering yarns is realized by the aid of the silk cutter, the negative pressure suction head and the meter counter, the stripping and collection of the covering yarns with poor quality are realized by the aid of the auxiliary roller, the stripping cylinder, the material pushing plate and the waste bin, and the centralized treatment of the covering yarns of waste products is facilitated; a blowing plate matched with the negative pressure suction head is arranged between the winding mechanism and the waste silk receiving mechanism, the transfer winding of the cut covering yarn is realized by utilizing the matching of the blowing plate and the negative pressure suction head, manual winding is not needed, the winding efficiency of the covering yarn is improved, and the labor intensity of workers is reduced;

3. the winding mechanism is provided with the discharge port and the anti-falling assembly, the anti-falling assembly is used for supporting the winding shaft in the winding process, the material collecting barrel is limited, the stability of the winding mechanism in winding the covering yarn is ensured, and the winding effect of the covering yarn is ensured; after the coating is finished, the anti-falling assembly removes the supporting effect on the winding shaft and the limiting effect on the material collecting barrel, and the material outlet is opened by moving, so that the material collecting barrel can be quickly unloaded and replaced.

Drawings

FIG. 1 is a schematic view of the overall construction of a covering device for covering yarn production;

FIG. 2 is a schematic view of the structure of a covering unit in a covering device for producing a covered yarn;

FIG. 3 is a schematic view of the construction of the covering assembly of a covering device for the production of covered yarns;

FIG. 4 is a schematic view of a threading assembly in a covering device for producing a covered yarn;

FIG. 5 is a schematic view of a yarn core clamp of a covering device for covering yarn production;

FIG. 6 is a schematic structural view of a waste yarn receiving mechanism in a covering device for covering yarn production;

FIG. 7 is a cross-sectional view of a covering unit in a covering apparatus for producing a covered yarn;

FIG. 8 is a schematic view of the winding mechanism in a covering device for covering yarn production;

fig. 9 is an enlarged view of a portion a in fig. 8;

FIG. 10 is an exploded and partially sectioned view of a take-up mechanism in a covering device for covering yarn production;

FIG. 11 is a schematic structural view of an anti-drop block and an unlocking rod in a covering device for producing covering yarns.

In the figure, 1, a frame; 11. a yarn guide roller; 2. a coating unit; 3. a yarn core feeding mechanism; 31. a feeding chassis; 32. feeding and clamping a shaft; 33. a core yarn roll; 34. a wire feeding roller; 4. a coating mechanism; 41. a sheathing assembly; 42. a hollow spindle; 43. threading a yarn hole; 431. a limiting groove; 44. wrapping a material roll outside; 45. a tangential belt; 5. a threading assembly; 51. a threading ring; 52. threading a guide rod; 521. an anti-drop rod; 53. yarn core clamping; 54. a holder; 541. a dovetail groove; 55. a splint; 551. a semicircular yarn hole; 552. a concave clamping groove; 553. a convex clamping block; 554. a yarn core slot; 5541. an arc transition surface; 555. clamping a yarn block; 556. a dovetail block; 557. the spring is tightly propped; 558. an electromagnet; 5581. an electromagnetic switch; 56. rounding the yarn hole; 6. a winding mechanism; 61. a winding frame; 611. a discharge port; 612. unlocking the rack; 62. a winding shaft; 621. a winding motor; 622. anti-drop holes; 63. a material collecting barrel; 64. a yarn guide; 641. a guide wire toothed plate; 642. a wire guide gear; 643. a micro-motor; 65. a blowing plate; 651. an air blowing port; 7. an anti-drop component; 71. a limiting plate; 711. a U-shaped groove block; 712. unlocking the gear; 713. unlocking the motor; 714. a drop-proof groove; 715. an unlocking groove; 716. a limiting block; 72. an anti-drop block; 721. the shaft is prevented from falling off; 722. a tension spring; 73. an unlocking lever; 731. a tension spring; 74. a wedge surface; 8. a waste wire receiving mechanism; 81. a waste silk rack; 811. a waist-shaped groove; 82. a waste wire roller; 821. a waste wire motor; 83. an auxiliary roller; 831. a material removing seat; 832. a material loosening cylinder; 84. a material pushing plate; 841. a stripping cylinder; 85. a waste bin; 86. a guide rod; 87. a guide screw rod; 871. a steering motor; 9. a yarn guide seat; 91. a yarn guide wheel; 911. a yarn guide groove; 92. a meter counter; 93. a shredding knife; 931. a mini-cylinder; 94. a negative pressure suction head; 10. a control cabinet.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A cladding device for producing cladding yarn is shown in figures 1 and 2 and comprises a frame 1, a plurality of cladding units 2 arranged on the frame 1 are arranged on two sides of the frame 1 along the length direction of the frame in an array mode, each cladding unit 2 comprises a yarn core feeding mechanism 3, a cladding mechanism 4 and a winding mechanism 6 which are sequentially arranged from bottom to top, and a waste silk receiving mechanism 8 is arranged on one side of the winding mechanism 6. Yarn core feed mechanism 3 is used for the pine to release the yarn heart yearn, and cladding mechanism 4 is used for the pine to release outsourcing yarn and obtains the covering yarn with outsourcing yarn cladding to the yarn heart yearn outward, and roll-up mechanism 6 is used for the roll-up covering yarn, and the relatively poor covering yarn of quality when waste silk receiving agencies 8 is used for the initial cladding of rolling. A control cabinet 10 is arranged at one end of the frame 1, the control cabinet 10 adopts a PLC control technology to control the automatic work of the plurality of coating units 2 and the linkage of each mechanism in the coating units 2, and the PLC control technology is the prior art and is not described in detail.

The specific structure of one of the coating units 2 is described in detail below by way of example.

As shown in fig. 2, the yarn core feeding mechanism 3 includes a feeding chassis 31 with a vertical axis, a feeding chuck shaft 32 coaxial with the feeding chassis 31 is arranged on the upper end face of the feeding chassis 31, a yarn core material roll 33 is mounted outside the feeding chuck shaft 32, and a yarn feeding roller 34 arranged along the length direction of the frame 1 is arranged on the frame. The yarn core on the yarn core roll 33 passes around the feed roller 34 and is fed forward by the feed roller 34.

As shown in fig. 2 and 3, the covering mechanism 4 includes two covering assemblies 41 disposed up and down, each covering assembly 41 includes a hollow spindle 42 whose axis is vertically disposed and is rotatably mounted on the frame 1 in a fixed position, a yarn passing hole 43 coaxial with the hollow spindle 42 and passing through the hollow spindle is disposed in the center of the hollow spindle and penetrates through the hollow spindle up and down, and a yielding hole correspondingly matched with the yarn passing hole 43 is disposed on the frame 1. An outer coating material roll 44 is arranged outside the hollow spindles 42, and as shown in fig. 1, the hollow spindles 42 in a plurality of coating assemblies 41 on the same layer on the same side of the rack 1 are driven by a tangential belt 45. As shown in fig. 2, the yarn core threads sent out by the thread feeding roller 34 sequentially pass through the thread outlet holes 43 of the two hollow spindles 42, the covering yarns of the two covering material rolls 44 are sequentially wrapped on the outer sides of the yarn core threads, the hollow spindles 42 are driven by the tangential belt 45 to rotate, continuous wrapping of the covering yarns is realized in the process that the hollow spindles 42 drive the covering material rolls 44 to rotate, finally double-layer covering yarns are formed, and the double-layer covering yarns are sent to the winding mechanism 6 to be wound and formed.

As shown in fig. 2, in order to facilitate the threading of the yarn core wire through the threading holes 43 of the two hollow spindles 42 when the covering and replacing of the yarn core material roll 33 are completed, the threading assembly 5 is vertically and slidably mounted in the threading holes 43. As shown in fig. 3 and 4, in the present embodiment, the threading assembly 5 includes a threading ring 51 coaxial with the threading hole 43 and located above the hollow spindle 42, a threading rod 52 vertically arranged is connected to the lower end surface of the threading ring 51, and the lower end of the threading rod extends out of the lower end of the hollow spindle 42, and a yarn core clamp 53 matched with the threading hole 43 is arranged at the bottom of the threading rod 52. When the yarn core roll 33 needs to be replaced and the yarn core needs to be threaded again, the yarn core end is clamped by the yarn core clamp 53, then the threading ring 51 is pulled upwards, the yarn core clamp 53 is integrally pulled to pass through the yarn threading hole 43 by the threading rod 52, and the yarn core end is threaded out of the yarn threading hole 43.

As shown in fig. 3, the bottom of the threading rod 52 is provided with an anti-falling rod 521 integrally formed with the threading rod on the extension line thereof, and the inner wall of the yarn threading hole 43 is provided with a vertically arranged limit groove 431 matched with the threading rod 52 and the anti-falling rod 521. The clamping between the whole threading assembly 5 and the hollow spindle 42 is realized by utilizing the matching action of the limiting groove 431 and the threading rod 52, the excessive axial jumping amplitude of the threading assembly 5 along the hollow spindle 42 in the rotating process of the hollow spindle 42 is avoided, and the stability of the threading assembly 5 in the coating process is improved; the yarn threading assembly 5 can also play a role in guiding the whole movement of the yarn threading assembly 5, and the yarn core clamp 53 can be ensured to smoothly enter the yarn threading hole 43. After the pulling threading ring 51 integrally pulls the yarn core clamp 53 out of the upper end of the yarn threading hole 43, the anti-falling rod 521 is still located in the limiting groove 431, the threading assembly 5 is prevented from being integrally separated from the yarn threading hole 43 and needs to be reset and installed, and the threading efficiency of the yarn core is improved.

As shown in fig. 3 and 4, in the present embodiment, the yarn core clamp 53 includes a clamp base 54 connected to the threading rod 52, clamp plates 55 symmetrical with respect to the threading rod 52 are provided on the clamp base 54, and the two clamp plates 55 are slidably mounted on the clamp base 54 so as to be close to or away from each other. The two clamping plates 55 are provided with semicircular yarn holes 551 at the sides close to each other, and the two semicircular yarn holes 551 are combined to form a whole circular yarn hole 56 coaxial with the yarn threading hole 43.

As shown in fig. 4 and 5, a plurality of concave clamping grooves 552 are respectively arranged on two sides of the semicircular yarn hole 551 on one clamping plate 55, and a convex clamping block 553 which is matched with the concave clamping grooves 552 is arranged on the other clamping plate 55; the clamping plate 55 provided with the concave clamping grooves 552 is provided with a yarn core groove 554 arranged along the length direction of the clamping plate 55, the yarn core groove 554 penetrates through one end, far away from the clamping seat 54, of the clamping plate 55, the yarn core groove 554 is sequentially communicated with a plurality of adjacent concave clamping grooves 552 and also communicated with the semicircular yarn holes 551 and the concave clamping grooves 552 on two sides of the semicircular yarn holes 551, and the other clamping plate 55 is provided with a plurality of yarn clamping blocks 555 matched with the yarn core groove 554. As shown in fig. 3 and 4, when the two clamp plates 55 are brought closer together so that the two semicircular yarn holes 551 combine to form a full circular yarn hole 56, the male clamp blocks 553 snap into the corresponding female clamp grooves 552 and the yarn clamp blocks 555 snap into the corresponding core grooves 554.

As shown in fig. 4, when the yarn core end portion needs to be clamped by the yarn core clamp 53, the two clamping plates 55 of the yarn core clamp 53 are firstly opened, the yarn core end portion is placed between the two clamping plates 55 and clamped in the yarn core groove 554, then the two clamping plates 55 are closed, the yarn core end portion is fixed by the clamp by the cooperation of the convex clamping block 553 and the concave clamping groove 552 and the cooperation of the yarn clamping block 555 and the yarn core groove 554, so that the fixing effect on the yarn core wire can be ensured, the yarn core wire is prevented from falling off from the yarn core clamp 53 in the process of pulling the threading ring 51 for integral threading, and the one-time threading of the yarn core wire is ensured to be successful. After the yarn core clamp 53 penetrates through the upper end of the yarn penetrating hole 43, the yarn core wire is pulled from the whole circular yarn hole 56, the yarn core wire is loosened by the yarn core clamp 53, the end part of the yarn core wire penetrates through the threading ring 51, then the threading ring 51 is loosened, and the threading assembly 5 is integrally reset under the action of gravity, namely threading of the yarn core wire is completed. The arc transition surfaces 5541 are arranged at the two ends of the bottom of the yarn core groove 554, so that the yarn core is prevented from being broken due to the fact that the end of the yarn core groove 554 is too sharp, and the yarn breaking phenomenon is reduced.

As shown in fig. 5, in order to realize the automatic opening or closing of the two clamping plates 55, a dovetail groove 541 is provided along the length direction of the clamping seat 54 on the side close to the clamping plate 55, and a dovetail block 556 slidably fitted in the dovetail groove 541 is provided on each end of the two clamping plates 55 close to the clamping seat 54, so that the two clamping plates 55 are slidably fitted to the clamping seat 54. A holding spring 557 arranged along the length direction of the dovetail groove 541 is fixed between one side of each dovetail block 556, which is far away from the dovetail groove 541, and the inner end wall of the dovetail groove 541, and an electromagnet 558 is respectively arranged on one side of each dovetail block 556, which is close to the dovetail block 556, and one ends of the two electromagnets 558, which are close to each other, are in the same polarity, and an electromagnetic switch 5581 for controlling the two electromagnets 558 to be on or off is arranged on the holder 54.

As shown in fig. 3 and 5, in a normal state, under the tension of the resisting spring 557, the two clamping plates 55 approach each other so that the two semicircular yarn holes 551 are combined into a full-circle yarn hole 56, and a yarn core wire passes through the full-circle yarn hole 56 formed by the two semicircular yarn holes 551, so that feeding is facilitated. When threading a yarn core wire and needing to clamp the end of the yarn core wire in the yarn core groove 554 and the concave clamping groove 552, the electromagnet 558 is electrified, the two dovetail blocks 556 are far away from each other by utilizing the principle that like poles repel each other, the abutting spring 557 is compressed, the two clamping plates 55 are far away from each other and are opened, the convex clamping block 553 is positioned outside the concave clamping groove 552, the clamping block 555 is positioned outside the yarn core groove 554, and a certain gap exists between the convex clamping block 553 and the concave clamping groove 552, so that the end of the yarn core wire can be conveniently placed in the yarn core groove 554.

As shown in fig. 3 and 5, after the yarn core wire is put in, the electromagnet 558 is powered off, and the two clamping plates 55 are close to each other and reset under the tension of the abutting springs 557, so that the yarn core wire is clamped and fixed. Therefore, the two clamping plates 55 are automatically closed or opened by the abutting spring 557 and the repelling electromagnet 558, operation is convenient, the abutting spring 557 and the electromagnet 558 are respectively positioned on the dovetail block 556 twice, and interference of the electromagnet 558 on the abutting spring 557 after electrification is avoided. Wherein the yarn core clamp 53 can be arranged to be detachably mounted on the threading rod 52, which facilitates its removal for servicing.

As shown in fig. 2, in the present embodiment, two yarn guiding rollers 11 are disposed on the frame 1 along the length direction, and the two yarn guiding rollers 11 are respectively located below the lower covering assembly 41 and above the upper covering assembly 41, and are respectively located at two sides of the axis of the yarn threading hole 43. The yarn core on the yarn core roll 33 passes through the lower part of the lower yarn guide roller 11, passes through the upper part of the upper yarn guide roller 11, and vertically passes through the yarn through hole 43. The cooperation of the yarn guide roller 11 and the yarn threading hole 43 is used for regulating the moving path of the yarn core wire, so that the anti-falling rod 521 is prevented from hooking the yarn core wire in the rotating process of the hollow spindle 42.

As shown in fig. 2, since the covering quality of the covering yarn is poor due to unstable covering when the covering yarn starts to be covered, in order to prevent the covering yarn with poor covering quality from being wound by the winding mechanism 6, the covering yarn is wound by the waste yarn receiving mechanism 8 at the beginning of covering, after the covering quality is stable, the covering yarn is cut off, and the winding mechanism 6 is used to wind the covering yarn with good covering quality.

As shown in fig. 1 and 6, in the present embodiment, the waste silk receiving mechanism 8 includes a waste silk rack 81 disposed on the frame 1, a waste silk roller 82 having an axis disposed along the length direction of the frame 1 is rotatably mounted on the waste silk rack 81, and the waste silk roller 82 is connected to a waste silk motor 821 for driving the waste silk roller to rotate for receiving the waste silk. Still be equipped with on useless silk frame 81 and be located useless silk roller 82 one side and with the parallel auxiliary roller 83 of useless silk roller 82, the poor cladding silk of cladding quality twines on useless silk roller 82 and auxiliary roller 83, realizes the collection to useless silk.

As shown in fig. 6, a yarn guide seat 9 that slides back and forth along the axial direction of the waste silk roller 82 is provided on one side of the waste silk rack 81 close to the winding mechanism 6, a yarn guide wheel 91 whose axis is provided along the sliding direction is rotatably positioned on the yarn guide seat 9, and a yarn guide groove 911 is provided around the outer wall of the yarn guide wheel 91. A shredding knife 93 positioned right above the yarn guide groove 911 is vertically and slidably mounted on the yarn guide seat 9, and the shredding knife 93 is connected with a micro cylinder 931 driving the shredding knife to vertically slide. A negative pressure suction head 94 is arranged on one side of the yarn guide seat 9 far away from the waste yarn roller 82, a meter 92 coaxial with the yarn guide wheel 91 is connected, and the meter 92 is in communication control connection with a micro cylinder 931 and the negative pressure suction head 94.

As shown in fig. 6 and fig. 7, the initially covered covering yarn is fed out from the yarn guide slot 911 and wound around the waste silk roller 82 and the auxiliary roller 83, the waste silk motor 821 drives the waste silk roller 82 to rotate to wind the end of the covering yarn, in the process, the yarn guide seat 9 integrally slides back and forth, so that the covering yarn can be uniformly wound on the waste silk roller 82, the rotation of the yarn guide wheel 91 not only plays a feeding role, but also the yarn guide slot 911 plays a limiting role for the covering yarn. When the meter 92 displays that the wrapping yarn wound on the waste yarn roller 82 reaches a certain length, which indicates that the wrapping quality of the wrapping yarn is stable, the meter 92 communicates with a feedback control negative pressure suction head 94 to suck the wrapping yarn, and controls a micro cylinder 931 to drive a yarn cutting knife 93 to move downwards to cut the wrapping yarn. Thus, the covering yarn with poor covering quality is collected by the waste yarn roller 82, and the end part of the covering yarn with good covering quality is sucked by the negative pressure suction head 94, so that the subsequent winding mechanism 6 can conveniently wind the covering yarn.

As shown in fig. 6 and 7, in order to drive the yarn guide seat 9 to slide back and forth, a guide rod 86 and a guide screw rod 87 parallel to the waste silk roller 82 are arranged on one side of the waste silk frame 81 close to the winding mechanism 6, the yarn guide seat 9 is slidably mounted on the guide rod 86 and is in threaded connection with the guide screw rod 87, and the guide screw rod 87 is connected with a guide motor 871 for driving the yarn guide seat to rotate. The guide wire motor drives the guide screw rod 87 to rotate, and the guide screw rod 87 and the guide rod 86 realize the reciprocating sliding of the whole guide wire seat 9 along the guide rod 86 under the threaded connection effect of the guide screw rod 87 and the guide seat 9 and the guide effect of the guide rod 86 on the guide wire seat 9.

As shown in fig. 6, in order to clean the waste silk after the waste silk is collected to a certain length on the waste silk roll 82, a waist-shaped groove 811 is arranged on the waste silk rack 81 along the width direction and penetrates through the waste silk rack in the thickness direction, a stripping seat 831 is slidably installed in the waist-shaped groove 811, a material loosening cylinder 832 for driving the stripping seat 831 to move is arranged on the waste silk rack 81, and one end of the auxiliary roll 83 close to the waste silk rack 81 is positioned and rotatably installed on the stripping seat 831. A stripping cylinder 841 is arranged in the waist-shaped groove 811 along the axial direction of the auxiliary roller 83, a piston rod of the stripping cylinder 841 penetrates through the waist-shaped groove 811 and is connected with a material pushing plate 84 positioned between the waste wire roller 82 and the auxiliary roller 83, and a waste material box 85 arranged on the frame 1 is arranged below one end of the waste wire roller 82 far away from the waste wire rack 81.

As shown in fig. 6, when the wound covering yarn reaches a certain length, the stripper base 831 is driven to move toward the direction close to the waste silk roll 82, and the wound covering yarn loosens the support and tightening effect of the auxiliary roll 83 and then is loosely sleeved on the waste silk roll 82 and the auxiliary roll 83. At this time, the stripping cylinder 841 operates to drive the material pushing plate 84 to move along the length direction of the waste silk roller 82, so that the waste covering yarns on the waste silk roller 82 are pushed down into the waste bin 85, the blanking and the collection of the waste covering yarns are realized, and the centralized treatment of the waste covering yarns is facilitated.

As shown in fig. 7 and 8, in the present embodiment, the winding mechanism 6 includes a winding frame 61 disposed on one side of the waste silk frame 81, a winding shaft 62 parallel to the waste silk roller 82 is rotatably positioned on the winding frame 61, a material receiving cylinder 63 coaxial with the winding shaft 62 is clamped outside the winding shaft 62, and the winding shaft 62 is connected to a winding motor 621 driving the material receiving cylinder 63 to rotate to wind the covering yarn. The side of the winding frame 61 close to the waste silk frame 81 is provided with an air blowing plate 65 which is positioned above the winding shaft 62 and matched with the negative pressure suction head 94, the air blowing plate 65 is obliquely arranged, one side of the air blowing plate 65 close to the winding shaft 62 is a higher end, and an air blowing port 651 facing the winding roller is arranged on the inclined surface of the air blowing plate 65.

As shown in fig. 7 and 8, when the filament cutter 93 cuts off the covering yarn and the negative pressure suction head 94 sucks the end of the covering yarn, the blowing plate 65 works to blow air to the wind-up roll through the blowing port 651, and the covering yarn covered by the covering mechanism 4 is still fed continuously, so that the covering yarn is in a certain loose state and is attached to the surface of the material receiving cylinder 63 under the blowing force of the blowing plate 65, the negative pressure suction head 94 loosens the end of the covering yarn and the wind-up shaft 62 drives the material receiving cylinder 63 to rotate, and thus the covering yarn attached to the surface of the material receiving cylinder 63 is driven to be wound by the material receiving cylinder 63. After the winding barrel 63 stably winds the coated yarn, the blowing plate 65 stops working, the yarn guide 64 drives the coated yarn to move back and forth, and the uniformity of the wound coated yarn by the winding barrel 63 is guaranteed. The air blowing plate 65 and the negative pressure suction head 94 are matched to realize transfer winding of the cut-off covering yarn, manual winding is not needed, the covering yarn winding efficiency is improved, and the manual labor intensity is reduced.

As shown in fig. 7 and 8, a yarn guide 64 which slides back and forth along the axial direction of the winding shaft 62 is arranged on one side of the winding frame 61 away from the waste silk frame 81, the covered yarn is conveyed forwards through the yarn guide 64, and the yarn guide 64 slides back and forth in the winding process, so that the covered yarn can be uniformly wound on the material receiving cylinder 63. As shown in fig. 8 and 9, in order to drive the yarn guide 64 to slide back and forth, a yarn guide plate 641 is disposed on one side of the take-up frame 61 along the axial direction of the take-up shaft 62, the yarn guide 64 is disposed on the yarn guide plate 641, a yarn guide gear 642 engaged with the yarn guide plate 641 is rotatably mounted on the yarn guide 64, and the yarn guide gear 642 is connected to a micro motor 643 for driving the yarn guide gear to rotate. The micro motor 643 drives the guide wire gear 642 to rotate, and under the meshing action of the guide wire gear 642 and the guide wire toothed plate 641, the guide wire 64 is driven to integrally slide back and forth along the guide wire toothed plate 641.

As shown in fig. 8 and 10, in order to facilitate the blanking and replacement of the material receiving barrel 63 after the material receiving barrel 63 finishes the winding of the covering wire and ensure the stability of the winding process, a material outlet 611 located at one end of the winding shaft 62 is arranged on the winding frame 61, and an anti-dropping component 7 matched with the winding shaft 62 is arranged at the material outlet 611. In this embodiment, the anti-drop assembly 7 includes a limiting plate 71 vertically slidably mounted at the discharge port 611 and engaged with the end of the take-up shaft 62, one end of the take-up shaft 62 close to the limiting plate 71 is provided with an anti-drop hole 622 coaxial therewith, the limiting plate 71 is provided with an anti-drop shaft 721 engaged with the anti-drop hole 622, and the anti-drop shaft 721 is axially slidably mounted on the limiting plate 71 along the take-up shaft 62.

As shown in fig. 8 and 10, in a normal state, the position-limiting plate 71 is located at the discharge port 611 to close the discharge port 611, the end portion of the winding shaft 62 abuts against the position-limiting plate 71, the anti-dropping shaft 721 is inserted into the anti-dropping hole 622, the rotation stability of the winding shaft 62 is ensured, the position-limiting plate 71 is used for limiting the material-receiving cylinder 63 on the winding shaft 62, and the material-receiving cylinder 63 is prevented from sliding along the winding shaft 62 and even dropping off, so that the winding effect of the covered yarn is prevented from being affected. When the winding of the covering yarn is completed and the covering yarn roll needs to be removed to replace the empty receiving cylinder 63, the anti-falling shaft 721 is pulled out of the anti-falling hole 622, and the limiting plate 71 is driven to move down to open the discharge hole 611, so that the winding completed receiving cylinder 63 is removed from the winding shaft 62.

As shown in fig. 8 and 10, in order to vertically and slidably mount the limiting plate 71 at the discharge hole 611, U-shaped groove blocks 711 matched with the side edges of the furling rack 61 are arranged at two ends of the limiting plate 71, and the side edges of the furling rack 61 are vertically and slidably matched with the U-shaped groove blocks 711, so that the limiting plate 71 is vertically and slidably mounted on the furling rack 61 as a whole. An unlocking gear 712 is positioned and rotatably mounted in one U-shaped groove block 711, the unlocking gear 712 is connected with an unlocking motor 713 which drives the unlocking gear to rotate, and an unlocking rack 612 which is meshed with the unlocking gear 712 and vertically arranged is arranged on the side wall of the furling rack 61. When the limit plate 71 needs to be driven to slide, the unlocking motor 713 works to drive the unlocking gear 712 to rotate forwards or backwards, and the limit plate 71 is driven to wholly vertically ascend or descend under the meshing action of the unlocking gear 712 and the unlocking rack 612.

As shown in fig. 10 and fig. 11, in this embodiment, in order to facilitate the anti-drop shaft 721 being automatically inserted into or pulled out of the anti-drop hole 622, an anti-drop groove 714 is provided on the limiting plate 71 and axially disposed along the anti-drop shaft 721, an anti-drop block 72 slidably disposed in the anti-drop groove 714 is provided at an end of the anti-drop shaft 721 away from the anti-drop hole 622, a tension spring 722 disposed along a sliding direction of the tension spring is provided between an end of the anti-drop block 72 away from the anti-drop shaft 721 and the anti-drop groove 714, and in a normal state, the anti-drop shaft 721 is located in the anti-drop groove 714 under the action of the tension spring 722. An unlocking groove 715 which is vertically arranged and the lower end of which is communicated with the anti-disengaging groove 714 is further arranged on the limiting plate 71, an unlocking rod 73 vertically slides in the unlocking groove 715, wedge surfaces 74 which are mutually matched are arranged on one side of the bottom of the unlocking rod 73 close to the anti-disengaging block 72 and one end of the anti-disengaging block 72 close to the unlocking rod 73, and when the unlocking rod 73 is in sliding fit with the wedge surfaces 74 of the anti-disengaging block 72, one end of the anti-disengaging shaft 721 far away from the anti-disengaging block 72 extends out of the anti-disengaging groove 714.

As shown in fig. 10 and 11, a vertically arranged tension spring 731 is disposed between the bottom of the unlocking lever 73 and the unlocking slot 715, and in a normal state, the unlocking lever 73 extends out of the unlocking slot 715 at the upper end under the action of the tension spring 731, and is located above the anti-falling block 72 at the lower end. The upper end of the limiting plate 71 is provided with a limiting block 716 matched with the unlocking rod 73, one end of the limiting block 716 is rotatably installed on the limiting plate 71, the rotation axis of the limiting block 716 is vertically arranged on one side of the unlocking groove 715, and after the unlocking rod 73 is in sliding fit with the wedge surface 74 of the anti-disengaging block 72, the limiting block 716 rotates to the lower end surface and is abutted against the upper end surface of the unlocking rod 73.

As shown in fig. 10 and 11, when the anti-slip shaft 721 needs to be driven to be inserted into the anti-slip hole 622 of the winding shaft 62, the unlocking lever 73 is driven to move downward, and under the cooperation of the unlocking lever 73 and the wedge surface 74 on the anti-slip block 72, the anti-slip block 72 drives the anti-slip shaft 721 to move along the anti-slip groove 714 integrally, so that the anti-slip shaft 721 slides out of the anti-slip groove 714 and is inserted into the anti-slip hole 622 at the end of the winding shaft 62. Rotate stopper 716 afterwards and make under the stopper 716 terminal surface and the butt of release lever 73 up end, utilize stopper 716 to carry on spacingly to release lever 73, avoid releasing lever 73 to shift up and lead to anti-disengaging shaft 721 to extract from anti-disengaging hole 622, guarantee that rolling axle 62 rotates the stability of rolling in-process anti-disengaging shaft 721.

As shown in fig. 10 and 11, when the material needs to be unloaded, the limiting block 716 is rotated away from the upper end of the unlocking rod 73, the limiting function of the unlocking rod 73 by the limiting block 716 is released, at this time, the unlocking rod 73 is sprung upwards under the tension of the tension spring 731, the limiting function of the anti-falling block 72 is released, the anti-falling block 72 loses the limiting function of the unlocking rod 73 and is then pulled back by the tension spring 722, and the anti-falling shaft 721 is pulled out of the anti-falling hole 622 to be reset.

The working principle and the using method of the invention are as follows:

threading a yarn core wire:the end of the yarn core is clamped by a yarn core clamp 53 after bypassing the yarn feeding roller 34 and the yarn guide roller 11 below, firstly, an electromagnetic switch 5581 is pressed down to electrify the electromagnet 558, so that the two clamping plates 55 are opened under the repulsion action of the electromagnet 558, the end of the yarn core is placed between the two clamping plates 55 and clamped in a yarn core groove 554, the electromagnetic switch 5581 is closed to cut off the electricity of the electromagnet 558, the two clamping plates 55 are closed under the tension action of a resisting spring 557, the convex clamping blocks 553 and the yarn clamping blocks 555 are respectively clamped in the corresponding concave clamping grooves 552 and the yarn core groove 554, and the end of the yarn core is clamped and fixed. The threading ring 51 is pulled upwards, the threading rod 52 is used to pull the whole yarn core clamp 53 to pass through the yarn threading hole 43And the anti-drop rod 521 is also positioned in the limiting groove 431, so that the end part of the yarn core wire is threaded out of the yarn threading hole 43. Then the yarn core wire is pulled from the whole circular yarn hole 56, the yarn core wire is loosened by the yarn core clamp 53, the end part of the yarn core wire passes through the threading ring 51, then the threading ring 51 is loosened, and the threading assembly 5 is integrally reset under the action of gravity, namely the first threading of the yarn core wire is completed. And repeating the steps to lead the yarn core wire out of the yarn threading hole 43 of the upper layer hollow spindle 42, and finishing the second threading of the yarn core wire.

Coating and waste silk collection:during threading of the yarn core thread, the outer covering yarns of the two outer covering material rolls 44 are respectively and sequentially wrapped on the outer side of the yarn core thread, the tangential belt 45 drives the hollow spindle 42 to rotate, and during the process that the hollow spindle 42 drives the outer covering material rolls 44 to rotate, the continuous wrapping of the outer covering yarns is realized, and finally the double-layer covering yarns are formed. The covering yarn passes through the yarn guide 64 and over the receiving drum 63, passes through the yarn guide groove 911 of the yarn guide wheel 91, and is finally wound outside the waste roller and the auxiliary roller 83. The yarn guide seat 9 integrally slides back and forth, so that the covered yarn is uniformly wound on the waste yarn roller 82, when the length of the covered yarn wound on the waste yarn roller 82 is displayed by the meter 92, the covered quality of the covered yarn is stable, the meter 92 communicates with a feedback control negative pressure suction head 94 to suck the covered yarn, and controls the micro cylinder 931 to drive the yarn cutting knife 93 to move downwards to cut off the covered yarn. When the wound covering yarns reach a certain length, the stripping seat 831 is driven to move towards the direction close to the waste silk roller 82, then the stripping cylinder 841 drives the material pushing plate 84 to move, the waste covering yarns on the waste silk roller 82 are pushed into the waste box 85, the blanking and the collection of the waste covering yarns are realized, and the centralized treatment of the waste covering yarns is facilitated.

Winding and unloading of finished products:after the wrapping yarn is cut by the yarn cutter 93 and the end of the wrapping yarn is sucked by the negative pressure suction head 94, the blowing plate 65 works to blow air to the winding roller through the blowing port 651 to blow the wrapping yarn to be attached to the surface of the material receiving cylinder 63, the negative pressure suction head 94 loosens the end of the wrapping yarn and the winding shaft 62 drives the material receiving cylinder 63 to rotate, so that the wrapping yarn attached to the surface of the material receiving cylinder 63 is driven to be wound by the material receiving cylinder 63. When the winding cylinder 63 is stable to wind the covering yarn, the blowing plate 65 stops working, the yarn guide 64 drives the covering yarn to move back and forth, and the winding cylinder 63 is ensured to wind the covering yarnUniformity of the yarn. When unloading is needed, the limiting block 716 is rotated away from the upper end of the unlocking rod 73, the limiting effect of the limiting block 716 on the unlocking rod 73 is relieved, and the anti-falling shaft 721 is pulled out of the anti-falling hole 622 to reset. Then, the limiting plate 71 is driven to vertically slide to open the discharge port 611, so that the material receiving cylinder 63 which finishes receiving the material can be conveniently taken down from the winding shaft 62.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the precise forms disclosed herein and is not to be interpreted as excluding the existence of additional embodiments that are also intended to be encompassed by the present invention as modified within the spirit and scope of the invention as described herein. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a cladding device is used in cladding yarn production which characterized in that: the device comprises a rack (1), wherein a plurality of coating units (2) are arranged on two sides of the rack (1) in an array manner along the length direction of the rack; each coating unit (2) comprises a yarn core feeding mechanism (3), a coating mechanism (4) and a winding mechanism (6) which are sequentially arranged from bottom to top, and one side of the winding mechanism (6) is provided with a waste silk receiving mechanism (8);

the yarn core feeding mechanism (3) comprises a feeding base plate (31) with an axis vertically arranged, a feeding clamping shaft (32) coaxial with the feeding base plate (31) is arranged on the upper end face of the feeding base plate (31), and a yarn core material roll (33) is mounted outside the feeding clamping shaft (32);

the coating mechanism (4) comprises two coating assemblies (41) which are arranged up and down, the coating assemblies (41) comprise hollow spindles (42) with axes which are vertically arranged, an outer coating material roll (44) is arranged outside the hollow spindles (42), and the hollow spindles (42) in the coating assemblies (41) which are positioned on the same side and on the same layer on the rack (1) are driven by tangential belts (45); a yarn penetrating hole (43) coaxial with the hollow spindle (42) is formed in the center of the hollow spindle, and a threading assembly (5) is vertically and slidably mounted in the yarn penetrating hole (43);

the threading assembly (5) comprises a threading ring (51) which is coaxial with the threading hole (43) and is positioned above the hollow spindle (42), the lower end surface of the threading ring (51) is connected with a threading rod (52) which is vertically arranged and the lower end of which extends out of the lower end of the hollow spindle (42), and the bottom of the threading rod (52) is provided with a yarn core clamp (53) matched with the threading hole (43);

the yarn core clamp (53) comprises a clamp seat (54) connected with the threading rod (52), clamp plates (55) which are symmetrical relative to the threading rod (52) are arranged on the clamp seat (54), and the two clamp plates (55) are arranged on the clamp seat (54) in a sliding mode in a way of approaching to or departing from each other; one side of each of the two clamping plates (55) close to each other is provided with a semicircular yarn hole (551), and the two semicircular yarn holes (551) are combined to form a whole circular yarn hole (56) coaxial with the yarn penetrating hole (43);

a plurality of concave clamping grooves (552) are respectively arranged on two sides of a semicircular yarn hole (551) on one clamping plate (55), and a convex clamping block (553) matched with the concave clamping grooves (552) is arranged on the other clamping plate (55); a yarn core groove (554) arranged along the length direction of the clamping plate (55) provided with the concave clamping groove (552) is arranged on the clamping plate (55), the yarn core groove (554) penetrates through one end, far away from the clamping seat (54), of the clamping plate (55), the yarn core groove (554) is sequentially communicated with a plurality of concave clamping grooves (552) and corresponding semicircular yarn holes (551), arc-shaped transition surfaces (5541) are arranged at two ends of the bottom of the yarn core groove (554), and a plurality of yarn clamping blocks (555) matched with the yarn core groove (554) are arranged on the other clamping plate (55); the two clamping plates (55) are close to each other, so that when the two semicircular yarn holes (551) are combined into a full-circle yarn hole (56), the convex clamping block (553) is clamped in the corresponding concave clamping groove (552), and the yarn clamping block (555) is clamped in the corresponding yarn core groove (554);

one side of each clamping seat (54) close to the corresponding clamping plate (55) is provided with a dovetail groove (541) arranged along the length direction of the clamping seat, and one end of each clamping plate (55) close to the corresponding clamping seat (54) is provided with a dovetail block (556) arranged in the dovetail grooves (541) in a sliding mode; a pressing spring (557) arranged along the length direction of the dovetail groove (541) is respectively fixed between one side, far away from each other, of each dovetail block and the inner wall, close to each dovetail groove (541), of each dovetail groove (541), and when the pressing springs (557) are in a normal state, the two clamping plates (55) are close to each other, so that the two semicircular yarn holes (551) are combined into a whole circular yarn hole (56); electromagnets (558) are respectively arranged on the sides, close to each other, of the two dovetail blocks (556), one ends, close to each other, of the two electromagnets (558) are homopolar, and when the two electromagnets (558) are electrified, the two clamping plates (55) are far away from each other, so that the male clamping block (553) is positioned outside the female clamping groove (552), and the yarn clamping block (555) is positioned outside the yarn core groove (554);

the bottom of the threading rod (52) is provided with an anti-drop rod (521) positioned on the extension line of the threading rod, and the inner wall of the threading hole (43) is provided with a limit groove (431) which vertically penetrates through the hollow spindle (42) and is matched with the threading rod (52) and the anti-drop rod (521); the yarn guide device is characterized in that a yarn guide roller (11) with an axis arranged along the length direction of the frame (1) is arranged on the frame (1), the yarn guide roller (11) is respectively positioned below the lower-layer coating component (41) and above the upper-layer coating component (41), and the yarn guide roller is respectively positioned at two sides of the axis of the yarn through hole (43); yarn core wires on the yarn core material roll (33) pass through the lower part of the lower yarn guide roller (11), are wound out from the upper part of the upper yarn guide roller (11), and vertically pass through the yarn through hole (43);

the waste silk receiving mechanism (8) comprises a waste silk rack (81), a waste silk roller (82) with an axis arranged along the length direction of the rack (1) is positioned and rotatably mounted on the waste silk rack (81), a guide rod (86) parallel to the waste silk roller (82) is arranged on one side, close to the winding mechanism (6), of the waste silk rack (81), a yarn guide seat (9) capable of sliding back and forth along the length direction of the guide rod is arranged on the guide rod (86), a yarn guide wheel (91) with an axis arranged along the sliding direction of the yarn guide seat is positioned and rotatably mounted on the yarn guide seat (9), and a yarn guide groove (911) is annularly arranged on the outer wall of the yarn guide wheel (91); a yarn cutting knife (93) positioned right above the yarn guide groove (911) is vertically and slidably mounted on the yarn guide seat (9), and a negative pressure suction head (94) is arranged on one side of the yarn guide seat (9) far away from the waste yarn roller (82); the yarn guide wheel (91) is connected with a coaxial meter counter (92), and the meter counter (92) is in communication control connection with the shredding knife (93) and the negative pressure suction head (94);

the winding mechanism (6) comprises a winding frame (61) arranged on one side of the waste silk frame (81), a winding shaft (62) parallel to the waste silk roller (82) is positioned and rotatably mounted on the winding frame (61), a material collecting barrel (63) coaxial with the winding shaft (62) is clamped outside the winding shaft (62), and a yarn guide (64) capable of axially sliding in a reciprocating manner along the winding shaft (62) is arranged on one side, away from the waste silk frame (81), of the winding frame (61); one side of the winding frame (61) close to the waste silk frame (81) is provided with an air blowing plate (65) which is positioned above the winding shaft (62) and matched with the negative pressure suction head (94), the air blowing plate (65) is obliquely arranged, one side of the air blowing plate (65) close to the winding shaft (62) is a higher end, and an air blowing port (651) facing the winding roller is arranged on the inclined surface of the air blowing plate (65);

a discharge hole (611) positioned at one end of the winding shaft (62) is formed in the winding frame (61), and an anti-falling component (7) matched with the winding shaft (62) is arranged at the discharge hole (611); anticreep subassembly (7) include vertical slidable mounting in discharge gate (611) department and with winding shaft (62) tip complex limiting plate (71), winding shaft (62) are close to the one end of limiting plate (71) and are equipped with rather than coaxial anticreep hole (622), be equipped with on limiting plate (71) with anticreep hole (622) complex anticreep axle (721), anticreep axle (721) are along winding shaft (62) axial slidable mounting on limiting plate (71).

2. The covering device for producing a covering yarn according to claim 1, wherein: an auxiliary roller (83) parallel to the waste silk roller (82) is arranged on the waste silk rack (81), one end, close to the waste silk rack (81), of the auxiliary roller (83) is positioned and rotatably connected with a stripping seat (831), the stripping seat (831) is installed on the waste silk rack (81) in a sliding mode along the direction close to or far away from the auxiliary roller (83), and a waist-shaped groove (811) which is arranged along the sliding direction of the stripping seat (831) and is matched with the stripping seat (831) is formed in the waste silk rack (81); be equipped with in waist type groove (811) along the cylinder (841) of taking off that supplementary roller (83) axial set up, the piston rod that takes off cylinder (841) passes waist type groove (811) and is connected with scraping wings (84) that are located between waste silk roller (82) and supplementary roller (83), the one end below that waste silk frame (81) was kept away from in waste silk roller (82) is equipped with waste bin (85).

3. The covering device for producing a covering yarn according to claim 1, wherein: the anti-drop shaft is characterized in that the limiting plate (71) is provided with an anti-drop groove (714) which is axially arranged along the anti-drop shaft (721), one end of the anti-drop shaft (721) far away from the anti-drop hole (622) is provided with an anti-drop block (72) which is slidably arranged in the anti-drop groove (714), a tension spring (722) which is arranged along the sliding direction of the tension spring is arranged between one end of the anti-drop block (72) far away from the anti-drop shaft (721) and the anti-drop groove (714), and the anti-drop shaft (721) is positioned in the anti-drop groove (714) under the action of the tension spring (722) in a normal state; be equipped with unlocking groove (715) of vertical setting and lower extreme and anticreep groove (714) intercommunication on limiting plate (71), vertical slip has unlocking lever (73) in unlocking groove (715), one side that unlocking lever (73) bottom is close to anticreep piece (72) and the one end that anticreep piece (72) are close to unlocking lever (73) are equipped with scarf (74) of mutually supporting, work as during unlocking lever (73) and anticreep piece (72) scarf (74) sliding fit, the one end that anticreep piece (72) were kept away from in anticreep axle (721) stretches out outside anticreep groove (714).

4. A covering device for producing a covered yarn according to claim 3, wherein: a vertically arranged tension spring (731) is arranged between the bottom of the unlocking rod (73) and the unlocking groove (715), when the unlocking rod (73) is in a normal state, the upper end of the unlocking rod extends out of the unlocking groove (715) under the action of the tension spring (731), and the lower end of the unlocking rod is positioned above the anti-falling block (72); a limiting block (716) matched with the unlocking rod (73) is arranged at the upper end of the limiting plate (71), one end of the limiting block (716) is rotatably arranged on the limiting plate (71), and the rotating axis of the limiting block (716) is vertically arranged on one side of the unlocking groove (715); when release lever (73) and anticreep piece (72) scarf (74) sliding fit back, stopper (716) rotate to terminal surface and release lever (73) up end butt down.

5. The covering device for producing a covering yarn according to claim 1, wherein: the two ends of the limiting plate (71) are provided with U-shaped groove blocks (711) matched with the side edges of the furling frame (61), and the side edges of the furling frame (61) are vertically matched with the U-shaped groove blocks (711) in a sliding manner; one of them U type groove piece (711) location is rotated and is installed unblock gear (712), unblock gear (712) are connected with its pivoted unblock motor (713) of drive, roll-up frame (61) lateral wall is equipped with and unlocks rack (612) that gear (712) meshing and vertical setting.