CN114671279B

CN114671279B - Rolling shaft and roll changing brake mechanism thereof

Info

Publication number: CN114671279B
Application number: CN202210319258.2A
Authority: CN
Inventors: 谈源; 陈玉祥; 蒋国忠; 刘勇俊; 吴超; 刘林明; 李柯洋
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-11-25
Anticipated expiration: 2042-03-29
Also published as: CN114671279A

Abstract

The invention relates to the technical field of winding equipment, in particular to a winding shaft and a reel changing brake mechanism thereof, wherein a synchronous belt is used for simultaneously driving wheels on two winding shafts to rotate; when the full-roll reel starts to change rolls, the second transmission assembly drives the rotary table to move anticlockwise to enable the full-roll winding shaft to be close to the brake assembly, after the roller moves to the boss on the clamping plate, the roller is driven to move towards the mounting vertical plate in a passive driving mode and drives the ring seat to move at the same time, and finally the roller acts on the retaining ring of the connecting seat to enable the connecting seat to be separated from the driving wheel, so that the rotating shaft stops rotating; the reel change brake mechanism can reduce complex mechanical transmission mechanisms, is convenient for further realizing automatic blanking of full-reel reels, reduces manual interference in the reel change process, and improves the automation degree of the reel change process.

Description

Rolling shaft and roll changing brake mechanism thereof

Technical Field

The invention relates to the technical field of winding equipment, in particular to a winding shaft and a reel changing brake mechanism thereof.

Background

In the process of processing and reproducing carbon fibers, the rolled carbon fiber precursors need to be unreeled, spread and collected for production; the carbon fiber thin-layer fabric obtained by processing the fiber spreading yarns is small in thickness, low in gram weight, good in paving performance and strong in designability, and the mechanical property of the composite material can be improved.

In the winding process of the fiber spreading yarns, the winding drum on the winding shaft is driven to spirally wind and wind the yarns led out from the yarn guide frame through the rotation of the winding shaft, so that the yarns are uniformly wound on the winding drum. Two winding shafts are oppositely arranged on the winding machine, and when the winding drum on one winding shaft reaches a full winding state, the winding drum is replaced to an empty winding drum on the other winding shaft to start winding, so that automatic continuous winding of winding equipment is ensured; the existing winding machine is provided with two motors and then respectively drives two winding shafts to rotate or stop rotating through two belts, and a disc is driven by another motor, so that the cost is high, and the winding machine is not suitable for a complex winding shaft structure.

In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, so as to create a winding shaft and a winding-changing brake mechanism thereof, and the winding shaft and the winding-changing brake mechanism thereof are more practical.

Disclosure of Invention

The invention aims to provide a winding shaft and a reel changing brake mechanism thereof aiming at the defects in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a winding shaft, includes the pivot and follows the tight subassembly that rises, leads gas seat, drive assembly and the action wheel that sets gradually of its axial, rise tight subassembly with the action wheel sets up respectively the both ends of pivot the last cover of the tight subassembly that rises is equipped with the reel, through to lead the gas seat to ventilate and adjust the tight subassembly that rises is right the fixed of reel is perhaps relaxed, the action wheel is through the drive assembly drives the pivot rotates, through adjusting drive assembly with perhaps disconnection control is connected to the action wheel the pivot rotates or stops.

Furthermore, drive assembly includes drive seat, connecting seat and first half clutch, the connecting seat with pivot coaxial rotation can follow its axial displacement, first half clutch sets up the connecting seat orientation the one end of action wheel, the drive seat can drive the connecting seat removes the action wheel orientation the one end of connecting seat is provided with second half clutch, the action wheel with coaxial rotation after the mutual gomphosis of the half clutch of both ends face area tooth is passed through to the connecting seat.

Furthermore, a pressing spring is sleeved at one end of the rotating shaft, which is located on the connecting seat and is far away from the first half clutch, two ends of the pressing spring are respectively abutted to a limiting ring on the rotating shaft and one end of the connecting seat, and the first half clutch and the second half clutch are pressed and attached.

Furthermore, the driving seat comprises a ring seat, a support and a roller, the ring seat drives the connecting seat to move, the rotating axis of the roller is perpendicular to the axial direction of the rotating shaft, and the roller is fixed on the outer ring of the ring seat through the support.

Furthermore, a stop ring is arranged on the connecting seat, the outer diameter of the stop ring is larger than that of the first half clutch, and one end of the compression spring is abutted against the stop ring;

the inner diameter of the ring seat is larger than the outline size of the first half clutch and smaller than the outer diameter of the baffle ring.

Furthermore, the tensioning assembly comprises a fixed seat, a sliding block, a tensioning nail and a shaft sleeve, the shaft sleeve is sleeved on the sliding block, the opening end of the shaft sleeve is fixedly connected with the fixed seat, the fixed seat is arranged close to the air guide seat and is fixedly connected with the rotating shaft, and the sliding block can axially move along the rotating shaft and coaxially rotate with the rotating shaft;

the tensioning nails are arranged on the outer ring of the sliding block along the circumferential direction, a plurality of first through holes are formed in the shaft sleeve corresponding to the tensioning nails, the winding drum is sleeved on the shaft sleeve, and the sliding block moves and drives the tensioning nails to stretch out of or sink into the first through holes to fix or loosen the winding drum.

Further, the shaft sleeve is sleeved on the sliding block and matched with the fixed seat to form a first cavity and a sealed second cavity, and the second cavity is located between the sliding block and the shaft sleeve end cover;

and a gas channel is arranged in the rotating shaft along the axial direction of the rotating shaft, and two ends of the gas channel are respectively communicated with the second cavity and the gas guide seat.

Furthermore, the slider includes sealing portion and tight portion that rises, the tight portion that rises sets up to draw in the structure towards the one end of sealing portion, and its external diameter reduces gradually towards the sealing portion, the nail that rises sets up in the tight portion that rises is close to the one end of sealing portion.

A winding shaft reel changing brake mechanism comprises a mounting vertical plate, a yarn arranging assembly, a reel changing seat and a brake assembly, wherein the yarn arranging assembly, the reel changing seat and the brake assembly are arranged on the mounting vertical plate;

the yarn arranging assemblies and the brake assemblies are arranged on two sides of the rotary table and are respectively positioned on two sides of the mounting vertical plate, each brake assembly comprises a supporting rod and a clamping plate, each clamping plate is arranged on the corresponding supporting rod and is parallel to the corresponding roller, each clamping plate is arranged to be an arc-shaped plate, a convex plate is arranged on one side, facing the corresponding mounting vertical plate, of each clamping plate, the rotary table drives the winding shaft to move so that the corresponding roller is in contact with one side, facing the corresponding mounting vertical plate, of each clamping plate, and when the corresponding roller rolls to the corresponding convex plate, the corresponding roller drives the driving seat to move towards the corresponding mounting vertical plate, and the driving seat drives the connecting seats to move so that the first half clutch and the second half clutch are separated;

the yarn arranging assembly comprises a straight line module perpendicular to the installation vertical plate and a yarn guide frame arranged on the straight line module, and the straight line module can drive the yarn guide frame to move axially along the winding shaft.

Furthermore, the first transmission assembly comprises a synchronizing wheel, a fixed wheel and an adjusting wheel which are arranged on the same plane with the two driving wheels, the synchronizing wheel is positioned between the two driving wheels, the fixed wheel is positioned between any one of the driving wheels and the synchronizing wheel, the adjusting wheel is matched with the two driving wheels and is arranged in a triangular structure, and the adjusting wheel can be adjusted to be close to or far away from the synchronizing wheel;

the synchronizing wheel passes through the connecting axle drive and rotates, the synchronizing wheel drives two simultaneously through a hold-in range the action wheel the tight pulley with the regulating wheel drive rotates, the hold-in range is provided with the double faced tooth, the synchronizing wheel with the external tooth of hold-in range is laminated mutually, two the action wheel the tight pulley with the regulating wheel all with the hold-in range internal tooth is laminated mutually.

Furthermore, the second transmission assembly comprises a fluted disc coaxially arranged with the turntable, and the fluted disc is fixed at one end of the mounting base far away from the turntable;

the bracing piece is kept away from the one end of installation riser is provided with the mounting panel be provided with first motor and second motor on the mounting panel, first motor passes through the drive of band pulley subassembly the connecting axle rotates, the second motor pass through the drive of band pulley subassembly with the pinion of fluted disc engaged with rotates.

Furthermore, the clamping plate corresponds to the semicircular arrangement of the rotary table far away from the yarn arranging assembly, an inclined plate is arranged at the end part of the convex plate, and the inclined plate serves as a transition plate for the roller to move from the clamping plate to the convex plate.

Furthermore, one end of the connecting shaft, which is far away from the synchronizing wheel, protrudes out of the mounting plate, an air channel is arranged in the connecting shaft, an electromagnetic valve is arranged on the mounting seat corresponding to the clamping plate, and the electromagnetic valve is communicated with the air channel in the connecting shaft and is respectively communicated with the air guide seats on the two winding shafts;

the reel changing seat rotates to drive the electromagnetic valve to move, so that the trigger wheel is in contact with the inner ring of the clamping plate and triggers the change-over switch of the electromagnetic valve.

The invention has the beneficial effects that:

according to the invention, two driving wheels are driven to rotate simultaneously through a synchronous belt, a driving assembly on the winding shaft can be connected with the driving wheels under the drive of the driving assembly, and the driving assembly can rotate together with the driving wheels after being connected with the driving wheels so as to drive the rotating shaft to rotate; when the full-roll reel starts to change the reel, the second transmission assembly drives the turntable to move anticlockwise to enable the full-roll winding shaft to be close to the brake assembly, after the roller moves to the boss on the clamping plate, the roller is passively driven to move towards the mounting vertical plate and simultaneously drives the ring seat to move, and finally the roller acts on the baffle ring of the connecting seat to enable the connecting seat to be separated from the driving wheel, so that the rotation stop of the rotating shaft is realized; the reel-changing brake mechanism can reduce complicated mechanical transmission mechanisms, is convenient for further realizing automatic blanking of full-reel reels, and improves the automation degree of the reel-changing process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a take-up reel according to the present invention;

FIG. 2 is an exploded view of the driving assembly of the winding reel of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line B-B in FIG. 1;

FIG. 5 is a schematic view of the driving seat pulling the connecting seat to disengage from the driving wheel according to the present invention;

FIG. 6 is a schematic structural view of a reel-changing brake mechanism according to the present invention;

FIG. 7 is a schematic view of the brake assembly of the present invention mounted to a mounting riser;

FIG. 8 is a schematic structural view of a reel changer according to the present invention;

FIG. 9 is a schematic structural view of a brake assembly according to the present invention;

fig. 10 is an enlarged view of a portion of the swash plate of fig. 9;

FIG. 11 is a schematic view of a first transmission assembly according to the present invention;

FIG. 12 is a schematic diagram of the installation of a timing belt in the present invention;

fig. 13 is a schematic diagram illustrating the operation of the first transmission assembly in rotation with the turntable.

Reference numerals: 1. a winding shaft; 12. a reel; 13. a rotating shaft; 131. a limiting ring; 132. a gas channel; 2. a tensioning assembly; 21. a fixed seat; 22. a slider; 221. a sealing part; 222. a tensioning part; 23. tensioning nails; 24. a shaft sleeve; 241. a first through hole; 25. a first cavity; 26. a second cavity; 3. a gas guide seat; 4. a drive assembly; 41. a driving seat; 411. a ring seat; 412. a support; 413. a roller; 42. a connecting seat; 421. a baffle ring; 43. a first half clutch; 44. a compression spring; 5. a driving wheel; 51. a second half clutch; 6. installing a vertical plate; 7. a yarn arranging assembly; 71. a linear module; 72. a yarn guide frame; 8. a reel changing seat; 81. a turntable; 82. a mounting seat; 83. a first transmission assembly; 831. a synchronizing wheel; 832. a fixed wheel; 833. an adjustment wheel; 834. a connecting shaft; 835. a synchronous belt; 84. a second transmission assembly; 841. a fluted disc; 85. an electromagnetic valve; 851. a trigger wheel; 9. a brake assembly; 91. a support bar; 92. clamping a plate; 93. a convex plate; 94. a sloping plate; 95. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the processing and reproduction process of the carbon fiber yarn, the carbon fiber yarn after fiber expansion is wound by using a winding machine, and continuous winding is realized by alternately using two winding shafts arranged on the winding machine. The invention discloses a winding shaft and a brake assembly thereof, wherein two motors are required to be arranged to respectively drive two winding shafts to realize winding of yarns. And a complex mechanical transmission mechanism is reduced, automatic blanking of the full-roll reel is convenient to further realize, and the automation degree of the reel changing process is improved.

A winding shaft 1 as shown in fig. 1 to 5, including pivot 13 and the tight subassembly 2 that rises that sets gradually along its axial, air guide seat 3, drive assembly 4 and action wheel 5, tight subassembly 2 that rises and action wheel 5 set up respectively at the both ends of pivot 13, the cover is equipped with reel 12 on tight subassembly 2 that rises, adjust tight subassembly 2 through leading air guide seat 3 to fix or loosen reel 12, action wheel 5 is connected or the disconnection control pivot 13 rotates or stops with action wheel 5 through drive assembly 4 and drive pivot 13 rotation, through adjusting drive assembly 4.

In the specific implementation process, the two driving wheels 5 are driven to rotate by the synchronous belt 835, the driving assembly 4 on the winding shaft 1 can be driven by the driving assembly 4 to be connected with the driving wheels 5, and the driving assembly 4 can rotate together with the driving wheels 5 after being connected with the driving wheels 5, so that the rotating shaft 13 is driven to rotate.

As a preference of the above embodiment, the driving assembly 4 and the driving wheel 5 are connected by mutual embedding of half clutches with teeth at two ends to realize coaxial rotation; specifically, as shown in fig. 2 and 3, the driving assembly 4 includes a driving seat 41, a connecting seat 42 and a first half-clutch 43, the connecting seat 42 rotates coaxially with the rotating shaft 13 and can move along the axial direction thereof, the first half-clutch 43 is disposed at one end of the connecting seat 42 facing the driving wheel 5, the driving seat 41 can drive the connecting seat 42 to move, a second half-clutch 51 is disposed at one end of the driving wheel 5 facing the connecting seat 42, and the driving wheel 5 and the connecting seat 42 rotate coaxially after being mutually embedded by the half-clutches with teeth at two end faces.

Furthermore, a pressing spring 44 is sleeved at one end of the rotating shaft 13, which is located at the connecting seat 42 and is far away from the first half clutch 43, two ends of the pressing spring 44 are respectively abutted to one end of the connecting seat 42 and the limiting ring 131 on the rotating shaft 13, and the first half clutch 43 and the second half clutch 51 are pressed and attached. The driving seat 41 comprises a ring seat 411, a support 412 and a roller 413, the connecting seat 42 is driven to move through the ring seat 411, the rotating shaft 13 center of the roller 413 is perpendicular to the axial direction of the rotating shaft 13, and the roller is fixed on the outer ring of the ring seat 411 through the support 412. A stop ring 421 is arranged on the connecting seat 42, the outer diameter of the stop ring 421 is larger than that of the first half clutch 43, and one end of the compression spring 44 is abutted against the stop ring 421; the inner diameter of the ring seat 411 is larger than the outer dimension of the first half clutch 43 and smaller than the outer diameter of the retainer ring 421.

The limiting ring 131 is fixed on the rotating shaft 13 and provides support for the pressing spring 44, one end of the pressing spring 44, which is far away from the limiting ring 131, acts on the retaining ring 421 of the connecting seat 42, so that the connecting seat 42 is pressed towards the driving wheel 5 all the time, specifically, the first half clutch 43 at the end part of the connecting seat 42 is embedded and connected with the second half clutch 51 on the driving wheel 5, so that the driving wheel 5 drives the rotating shaft 13 to rotate through the connecting seat 42, and the yarn is wound; when the winding shaft 1 is in a full winding state, the winding shaft 1 needs to stop rotating to stop winding, at the moment, the brake assembly 9 on the winding machine is matched with the reel changing rotation to act on the roller 413 and drive the ring seat 411 to act on the retaining ring 421 to enable the connecting seat 42 to be far away from the driving wheel 5, at the moment, the compression spring 44 is further compressed, the first half clutch 43 and the second half clutch 51 are separated, the driving wheel 5 still rotates on the rotating shaft 13, but does not act on the connecting seat 42 any more, and the stopping and braking of the rotating shaft 13 are realized.

As another preferred embodiment of the present invention, as shown in fig. 4, the tension assembly 2 includes a fixed seat 21, a sliding block 22, a tension nail 23 and a shaft sleeve 24, the shaft sleeve 24 is sleeved on the sliding block 22, and an open end of the shaft sleeve is fixedly connected with the fixed seat 21, the fixed seat 21 is disposed near the air guide seat 3 and is fixedly connected with the rotating shaft 13, and the sliding block 22 can axially move along the rotating shaft 13 and coaxially rotate with the rotating shaft 13; the tensioning nails 23 are arranged on the outer ring of the sliding block 22 along the circumferential direction, a plurality of first through holes 241 are formed in the shaft sleeve 24 corresponding to the tensioning nails 23, the winding drum 12 is sleeved on the shaft sleeve 24, and the sliding block 22 moves and drives the tensioning nails 23 to stretch out of or sink into the first through holes 241 to fix or loosen the winding drum 12. The shaft sleeve 24 is sleeved on the sliding block 22 and matched with the fixed seat 21 to form a first cavity 25 and a sealed second cavity 26, and the second cavity 26 is positioned between the sliding block 22 and an end cover of the shaft sleeve 24; an air channel 132 is disposed in the rotating shaft 13 along the axial direction thereof, and two ends of the air channel 132 are respectively communicated with the second cavity 26 and the air guide seat 3. The slider 22 includes a sealing portion 221 and a tensioning portion 222, one end of the tensioning portion 222 facing the sealing portion 221 is set to be a folded structure, the outer diameter of the tensioning portion 222 gradually decreases toward the sealing portion 221, and the tensioning nail 23 is disposed at one end of the tensioning portion 222 close to the sealing portion 221.

In the specific implementation process, after the air guide seat 3 is ventilated, air is introduced into the second cavity 26 through the air passage 132 in the rotating shaft 13, and the slider 22 is pushed to move toward the first cavity 25, in this process, the tension nail 23 is radially recessed into the first through hole 241 of the shaft sleeve 24 along the rotating shaft 13, that is, the tension force of the tension nail 23 on the winding drum 12 sleeved on the shaft sleeve 24 is released, so that the winding drum 12 is conveniently separated from the shaft sleeve 24; after the empty winding drum 12 is replaced to the shaft sleeve 24, the air guide to the first cavity 25 is cancelled, the sliding block 22 is reset to move, the tension nail 23 gradually protrudes out of the outer surface of the shaft sleeve 24 from the first through hole 241 of the shaft sleeve 24 and exerts tension force on the winding drum 12 on the shaft sleeve 24, and the tension fixation of the winding drum 12 is completed.

As a preferred structure of the air guide seat 3 of the present embodiment, further referring to fig. 4, a first seal ring, an air guide ring and a second seal ring are sequentially disposed in the air guide seat 3 along the axial direction of the rotating shaft 13, the air guide ring is disposed corresponding to an air inlet on the outer shell of the air guide seat 3, the inner ring and the outer ring of the air guide ring are respectively provided with an outer ring groove and an inner ring groove, so that a first ring cavity is formed between the air guide ring and the inner wall of the shell of the air guide seat 3, a second ring cavity is formed between the air guide ring and the rotating shaft 13, an air channel 132 in the rotating shaft 13 is communicated with the air guide seat 3 through an air hole, and the rotating shaft 13 is rotatably connected with the air guide seat 3; the gas guide ring is arranged to form two ring cavities as transition cavities for gas to be introduced into the gas channel 132 in the rotating shaft 13, so that the gas can be uniformly and stably introduced into the gas channel 132 from the gas guide seat 3.

As shown in fig. 6 to 13, the invention further discloses a reel changing brake mechanism of a winding shaft 1, which comprises a mounting vertical plate 6, a yarn arranging assembly 7, a reel changing seat 8 and a brake assembly 9, wherein the yarn arranging assembly 7, the reel changing seat 8 and the brake assembly 9 are arranged on the mounting vertical plate, the reel changing seat 8 comprises a rotary disc 81 and a mounting seat 82, two winding shafts 1 are oppositely arranged on the rotary disc 81, the winding shafts 1 are fixed on the rotary disc 81 through an air guide seat 3, and two driving wheels 5 and the reel changing seat 8 are respectively driven to rotate through a first transmission assembly 83 and a second transmission assembly 84 which are arranged on the mounting seat 82; the yarn arranging component 7 and the brake component 9 are arranged on two sides of the rotary table 81 and are respectively positioned on two sides of the installation vertical plate 6, the brake component 9 comprises a support rod 91 and a clamping plate 92, the clamping plate 92 is arranged on the support rod 91 and is parallel to the installation vertical plate 6 corresponding to the roller 413, the clamping plate 92 is arranged into an arc-shaped plate, and a convex plate 93 is arranged on one side of the clamping plate 92 facing the installation vertical plate 6, the rotary table 81 drives the winding shaft 1 to move so that the roller 413 is in contact with one side of the clamping plate 92 facing the installation vertical plate 6, when the roller 413 rolls to the convex plate 93, the roller 413 drives the driving seat 41 to move towards the installation vertical plate 6, and the driving seat 41 drives the connecting seat 42 to move so that the first half clutch 43 is separated from the second half clutch 51; the yarn discharging assembly 7 comprises a linear module 71 arranged perpendicular to the mounting vertical plate 6 and a yarn guide 72 arranged on the linear module 71, and the linear module 71 can drive the yarn guide 72 to move along the axial direction of the winding shaft 1.

In the specific implementation process, the second transmission assembly 84 drives the rotating disc 81 to move counterclockwise, so that the full-winding shaft 1 is close to the brake assembly 9, when the roller 413 moves to the boss on the clamping plate 92, the roller 413 is driven to move towards the installation vertical plate 6 and simultaneously drives the ring seat 411 to move, and finally the roller acts on the retaining ring 421 of the connecting seat 42 to separate the connecting seat 42 from the driving wheel 5, so that the rotation of the rotating shaft 13 is stopped. Furthermore, the clamping plate 92 is arranged corresponding to the semicircle of the rotary table 81 far away from the yarn arranging assembly 7, the end part of the convex plate 93 is provided with an inclined plate 94, and the inclined plate 94 is used as a transition plate for moving the roller 413 from the clamping plate 92 to the convex plate 93, so that the reel changing brake process is smoothly carried out.

In this embodiment, the first transmission assembly 83 includes a synchronizing wheel 831, a fixed wheel 832 and an adjusting wheel 833 which are disposed on the same plane as the two driving wheels 5, the synchronizing wheel 831 is disposed between the two driving wheels 5, the fixed wheel 832 is disposed between any one of the driving wheels 5 and the synchronizing wheel 831, the adjusting wheel 833 is disposed in a triangular structure in cooperation with the two driving wheels 5, and the adjusting wheel 833 can be adjusted to approach or depart from the synchronizing wheel 831; the synchronizing wheel 831 is driven to rotate through a connecting shaft 834, the synchronizing wheel 831 drives two driving wheels 5, the fixed wheel 832 and the adjusting wheel 833 to drive and rotate simultaneously through a synchronous belt 835, the synchronous belt 835 is provided with double-sided teeth, the synchronizing wheel 831 is attached to the outer teeth of the synchronous belt 835, and the two driving wheels 5, the fixed wheel 832 and the adjusting wheel 833 are attached to the inner teeth of the synchronous belt 835.

The design of tight pulley 832 can further increase the cornerite between hold-in range 835 and the synchronizing wheel 831, and increase drive power adjusts the tensile force that the regulating wheel 833 can strengthen hold-in range 835, further strengthens the drive power of hold-in range 835 to action wheel 5. The double-sided toothed synchronous belt 835 is adopted to match with the synchronous wheel 831, the fixed wheel 832, the adjusting wheel 833 and the position structures of the two driving wheels 5, so that complicated mechanical transmission is avoided, the driving wheels 5 on the two winding shafts 1 can rotate simultaneously through the synchronous belt 835, and the rotation of the winding shafts 1 and the winding shafts 1 which are already wound can be controlled to stop under the action of the clutch.

Further, the second transmission assembly 84 includes a fluted disc 841 coaxially disposed with the rotating disc 81, the fluted disc 841 is fixed at an end of the mounting base 82 far away from the rotating disc 81; the supporting rod 91 is provided with an installation plate 95 at one end far away from the installation vertical plate 6, the installation plate 95 is provided with a first motor and a second motor, the first motor drives the connecting shaft 834 to rotate through the belt wheel assembly, and the second motor drives the pinion meshed with the fluted disc 841 to rotate through the belt wheel assembly.

One end of the connecting shaft 834, which is far away from the synchronizing wheel 831, protrudes out of the mounting plate 95, an air passage is arranged in the connecting shaft 834, an electromagnetic valve 85 is arranged on the mounting seat 82 corresponding to the clamping plate 92, and the electromagnetic valve 85 is communicated with the air passage in the connecting shaft 834 and is respectively communicated with the air guide seats 3 on the two winding shafts 1; the electromagnetic valve 85 is provided with a trigger wheel 851, the trigger wheel 851 is connected with a switch of the electromagnetic valve 85, and the reel changing seat 8 rotates to drive the electromagnetic valve 85 to move, so that the trigger wheel 851 is in contact with the inner ring of the clamping plate 92 and triggers the switch of the electromagnetic valve 85. When the trigger wheel 851 is in contact with the inner ring of the chuck plate 92, the trigger wheel 851 triggers the switch of the electromagnetic valve 85 to ventilate the air guide seat 3 on the winding shaft 1 moving to the brake assembly 9, so as to release the tension fixation of the tension nail 23 on the reel 12, thereby facilitating the separation of the full reel 12 from the shaft sleeve 24.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rolling shaft reel changing brake mechanism is characterized by comprising a mounting vertical plate, and a yarn arranging assembly, a reel changing seat and a brake assembly which are arranged on the mounting vertical plate, wherein the reel changing seat comprises a rotary plate and a mounting seat, two rolling shafts are oppositely arranged on the rotary plate, each rolling shaft comprises a rotary shaft, and a tensioning assembly, an air guide seat, a driving assembly and a driving wheel which are sequentially arranged along the axial direction of the rolling shaft;

the tensioning assembly and the driving wheel are respectively arranged at two ends of the rotating shaft, a winding drum is sleeved on the tensioning assembly, the winding drum is fixed or loosened by adjusting the tensioning assembly through ventilating the air guide seat, the driving wheel drives the driving assembly and drives the rotating shaft to rotate, and the rotating shaft is controlled to rotate or stop by adjusting the connection or disconnection of the driving assembly and the driving wheel;

the driving assembly comprises a driving seat, a connecting seat and a first half clutch, the connecting seat and the rotating shaft coaxially rotate and can axially move along the rotating shaft, the first half clutch is arranged at one end, facing the driving wheel, of the connecting seat, the driving seat can drive the connecting seat to move, a second half clutch is arranged at one end, facing the connecting seat, of the driving wheel, and the driving wheel and the connecting seat coaxially rotate after being mutually embedded through the half clutches with teeth at two end faces;

a pressing spring is sleeved at one end, located at the connecting seat, far away from the first half clutch, of the rotating shaft, two ends of the pressing spring are respectively abutted against a limiting ring on the rotating shaft and one end of the connecting seat, and the first half clutch and the second half clutch are pressed and attached;

the driving seat comprises a ring seat, a support and a roller, the connecting seat is driven to move by the ring seat, the rotating axis of the roller is perpendicular to the axial direction of the rotating shaft, and the roller is fixed on the outer ring of the ring seat by the support;

the yarn arranging assembly comprises a linear module and a yarn guide frame, the linear module is perpendicular to the installation vertical plate, the yarn guide frame is arranged on the linear module, and the linear module can drive the yarn guide frame to axially move along the winding shaft;

the first transmission assembly comprises a synchronizing wheel, a fixed wheel and an adjusting wheel which are arranged on the same plane with the two driving wheels, the synchronizing wheel is positioned between the two driving wheels, the fixed wheel is positioned between any one of the driving wheels and the synchronizing wheel, the adjusting wheel is matched with the two driving wheels and is arranged in a triangular structure, and the adjusting wheel can be adjusted to be close to or far away from the synchronizing wheel;

the synchronous wheel is driven to rotate through a connecting shaft, the synchronous wheel drives two driving wheels, the fixed wheel and the adjusting wheel to rotate through a synchronous belt, the synchronous belt is provided with double-sided teeth, the synchronous wheel is attached to outer teeth of the synchronous belt, and the two driving wheels, the fixed wheel and the adjusting wheel are all attached to inner teeth of the synchronous belt;

the mounting seat is provided with an electromagnetic valve corresponding to the clamping plate, the electromagnetic valve is provided with a trigger wheel, the trigger wheel is connected with a change-over switch of the electromagnetic valve, and the reel changing seat rotates to drive the electromagnetic valve to move so that the trigger wheel is in contact with the inner ring of the clamping plate and triggers the change-over switch of the electromagnetic valve;

when the trigger wheel is in contact with the inner ring of the clamping plate, the trigger wheel triggers a change-over switch of the electromagnetic valve to ventilate the air guide seat on the winding shaft moving to the brake assembly.

2. The winding shaft reel change brake mechanism according to claim 1, wherein a stop ring is arranged on the connecting seat, the outer diameter of the stop ring is larger than that of the first half clutch, and one end of the compression spring abuts against the stop ring;

3. The wind-up shaft reel-changing brake mechanism according to claim 1, wherein the tension assembly comprises a fixed seat, a slide block, a tension nail and a shaft sleeve, the shaft sleeve is sleeved on the slide block, the open end of the shaft sleeve is fixedly connected with the fixed seat, the fixed seat is arranged close to the air guide seat and is fixedly connected with the rotating shaft, and the slide block can axially move along the rotating shaft and coaxially rotate with the rotating shaft;

the tensioning nails are arranged on the outer ring of the sliding block along the circumferential direction, a plurality of first through holes are formed in the shaft sleeve corresponding to the tensioning nails, the winding drum is sleeved on the shaft sleeve, and the sliding block moves and drives the tensioning nails to stretch out of or sink into the first through holes so as to fix or loosen the winding drum.

4. The wind-up shaft reel-changing brake mechanism according to claim 3, wherein the shaft sleeve is sleeved on the sliding block and cooperates with the fixed seat to form a first cavity and a sealed second cavity, and the second cavity is located between the sliding block and the shaft sleeve end cover;

5. The wind-up shaft reel-changing brake mechanism according to claim 3, wherein the slider comprises a sealing portion and a tensioning portion, one end of the tensioning portion facing the sealing portion is arranged in a furled structure, the outer diameter of the tensioning portion gradually decreases towards the sealing portion, and the tensioning nail is arranged at one end of the tensioning portion close to the sealing portion.

6. The wind-up shaft reel change brake mechanism according to claim 1, wherein the second transmission assembly comprises a fluted disc coaxially arranged with the turntable, and the fluted disc is fixed at one end of the mounting base away from the turntable;

7. The wind-up shaft reel-changing brake mechanism according to claim 6, wherein the clamping plate is arranged corresponding to a semicircle of the turntable away from the yarn arranging assembly, an inclined plate is arranged at the end part of the convex plate, and the inclined plate is used as a transition plate for the rollers to move from the clamping plate to the convex plate.

8. The wind-up shaft reel-changing brake mechanism according to claim 7, wherein one end of the connecting shaft, which is far away from the synchronizing wheel, protrudes out of the mounting plate, an air passage is arranged in the connecting shaft, and the electromagnetic valve is communicated with the air passage in the connecting shaft and is respectively communicated with the air guide seats on the two wind-up shafts.