CN114380126B - Constant-tension reciprocating winding equipment and control method thereof - Google Patents

Constant-tension reciprocating winding equipment and control method thereof Download PDF

Info

Publication number
CN114380126B
CN114380126B CN202210056196.0A CN202210056196A CN114380126B CN 114380126 B CN114380126 B CN 114380126B CN 202210056196 A CN202210056196 A CN 202210056196A CN 114380126 B CN114380126 B CN 114380126B
Authority
CN
China
Prior art keywords
tension
winding
roller group
yarn
yarn guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210056196.0A
Other languages
Chinese (zh)
Other versions
CN114380126A (en
Inventor
谈源
陈玉祥
蒋国中
刘勇俊
周豪
丁琳
张子宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou New Intelligent Technology Co Ltd
Original Assignee
Changzhou New Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou New Intelligent Technology Co Ltd filed Critical Changzhou New Intelligent Technology Co Ltd
Priority to CN202210056196.0A priority Critical patent/CN114380126B/en
Publication of CN114380126A publication Critical patent/CN114380126A/en
Application granted granted Critical
Publication of CN114380126B publication Critical patent/CN114380126B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/2818—Traversing devices driven by rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/14—Pulleys, rollers, or rotary bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Abstract

The invention relates to constant-tension reciprocating winding equipment and a control method thereof, wherein yarns are sequentially wound through a yarn guide wheel, a tension wheel and a yarn guide roller group and wound on a winding drum of a winding shaft, and the yarn guide roller group is driven by a transmission assembly to reciprocate along the length direction of a first mounting seat, so that the yarns are spirally wound on the winding drum of the winding shaft, and uniform winding is ensured; the tension wheel is fixed at one end of the swing rod, and the counterweight block is arranged at the other end of the swing rod, so that the gravity of the tension wheel is balanced by the counterweight block, and the tension of the cylinder is more accurately adjusted; the installation position of tension pulley on the first swing arm in the regulation pendulum rod to set for the initial position of guide roller group and be located tension pulley under, make the yarn initial rolling position correspond the tip of rolling axle on it, in reciprocal rolling, can be through the swing of pendulum rod among the tension assembly, realize certain rolling in-process, it is inconvenient to maintain cylinder tension value, can also ensure that yarn tension value maintains invariable technological effect.

Description

Constant-tension reciprocating winding equipment and control method thereof
Technical Field
The invention relates to the technical field of spinning, in particular to constant-tension reciprocating winding equipment and a control method thereof.
Background
In the production process of the composite material, yarns need to be processed and reproduced, and when yarns such as carbon fibers, glass fibers and the like are processed and produced, rolled raw materials need to be unreeled, guided, spread and collected and then processed.
In the winding process of the yarn, the yarn needs to be uniformly wound on a winding drum of a winding shaft, and the yarn is spirally wound on the surface of the winding drum of the winding shaft by reciprocating along the axial direction of the winding shaft through a yarn guide mechanism. The yarn tension value of the yarn is required to be constant in a certain winding diameter interval on the winding drum, but in the yarn tension value winding standard of a full-winding drum, the yarn tension value of the winding and outer ring is required to be smaller than that of the inner ring.
At present, in the process that the yarn reciprocates along the axial direction of a winding shaft along with a yarn guide mechanism, the tension value of the yarn is continuously changed, the tension of the yarn is changed by adjusting the air pressure of an air cylinder, and then the winding requirement can not be met by adjusting the tension value of the yarn.
In view of the above problems, the present designer is actively making research and innovation based on the practical experience and professional knowledge that is abundant for years in the engineering application of such products, so as to create a constant tension reciprocating winding device and a control method thereof, which are more practical.
Disclosure of Invention
The invention aims to provide constant-tension reciprocating winding equipment and a control method thereof aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a constant tension reciprocating winding apparatus comprising: the yarn guide device comprises a support frame, and a tension component, a yarn guide roller set and a winding component which are arranged on the support frame, wherein the tension component is positioned above the yarn guide roller set, and a yarn guide wheel is arranged on the support frame corresponding to the tension component;
the yarn guide roller group is connected with the first mounting seat in a sliding mode and driven to move in the axial direction parallel to the winding shaft through a transmission assembly, and the transmission assembly is arranged on the second mounting seat and driven through a second power device;
the tension assembly comprises a tension wheel, a swing rod and a cylinder, an output shaft of the cylinder and the tension wheel are respectively connected with two ends of the swing rod, a monitoring assembly is arranged at the position of the swing rod and can monitor the swing of the swing rod, and yarns are sequentially wound on a winding drum of the winding shaft through a yarn guide wheel, the tension wheel and a yarn guide roller group.
Furthermore, the first installation seat, the second installation seat and the winding shaft are arranged perpendicular to the installation plane of the side plate, the first installation seat and the second installation seat are arranged on two sides of the side plate relatively, and the winding shaft corresponds to the first installation seat and is arranged below the first installation seat obliquely.
Furthermore, the second mounting seat comprises a cavity and a chute which are arranged along the length direction of the second mounting seat, and the transmission assembly comprises a reciprocating screw rod arranged in the cavity, a limiting block connected with the chute in a sliding manner, and a connecting rod arranged on the limiting block;
the two ends of the reciprocating screw rod are rotatably connected with the second mounting seat, one side of the limiting block, which faces the reciprocating screw rod, is provided with a sliding block, the end part of the sliding block is embedded into the thread of the reciprocating screw rod and is in sliding connection with the reciprocating screw rod, and the limiting block is connected with the yarn guide roller group through the connecting rod.
Furthermore, a guide rail is arranged on the first mounting seat along the length direction of the first mounting seat, and the yarn guide roller group is arranged on one side, facing the winding shaft, of the first mounting seat and is connected with the guide rail in a sliding mode.
Furthermore, the yarn guide roller group comprises a support plate, and a first roller group, a second roller group and a third roller group which are arranged on the support plate along the vertical direction, wherein the support plate is connected with the guide rail in a sliding manner and is fixedly connected with the connecting rod;
the axial direction of the first roller set is parallel to the rotation axes of the yarn guide wheel and the tension wheel, and the axial direction of the first roller set is perpendicular to the axial direction of the third roller set.
Furthermore, the swing rod is set to be a U-shaped structure and comprises a first swing arm and a second swing arm which are arranged in parallel and a connecting shaft for connecting the two swing arms, and the tension wheel and the cylinder output shaft are respectively connected with one ends of the first swing arm and the second swing arm far away from the connecting shaft;
and a third swing arm is reversely arranged at one end of the first swing arm connected with the connecting shaft, and a balancing weight is arranged at one end of the third swing arm far away from the connecting shaft.
Furthermore, the monitoring assembly comprises a box body, an angle sensor and a transmission gear, wherein the angle sensor and the transmission gear are arranged in the box body;
the output end of the angle sensor is provided with a detection gear, and the detection gear is meshed with the transmission gear.
A control method of constant-tension reciprocating winding equipment is applied to the reciprocating winding equipment and comprises the following steps:
adjusting the mounting position of a tension pulley on a first swing arm in the swing rod to enable the leading-out position of the yarn on the swing rod to correspond to the end position of the winding shaft, arranging a balancing weight on a third swing arm which is arranged on the first swing arm in a reverse extending manner, and adjusting the mounting position of the balancing weight;
sequentially winding the yarn on a winding drum of a winding shaft through a yarn guide wheel, a tension wheel and a yarn guide roller group;
setting the initial position of the yarn guide roller group to be positioned right below the tension wheel and corresponding to the end position of the winding shaft, and adjusting the cylinder to initial tension and keeping a constant tension value;
the winding shaft is driven to rotate and wind through the first power device, and the transmission assembly is driven through the second power device and drives the yarn guide roller group to move in a reciprocating mode;
the method comprises the steps of monitoring the change of the winding diameter of a winding drum on a winding shaft through a sensor, modifying a set value of air pressure of an air cylinder according to a tension value model when the winding diameter value reaches a critical value, and adjusting the air pressure of the air cylinder through a control center to change the tension value of the air cylinder.
Furthermore, the first swing rod and the third swing rod are integrally arranged, the connecting shaft is used as a fulcrum, and the mounting positions of the tension pulley and the balancing weight are adjusted to ensure that the gravity force arms of the tension pulley and the balancing weight are respectively L 4 And L 6 And meanwhile, the gravity moments of the tension pulley and the balancing weight are mutually balanced, namely the following moment balance formula is satisfied:
F 4 L 4 ≈F 6 L 6 ；
wherein, F 4 Gravity of the tension pulley, F 6 Is the weight of the counterweight.
Further, a plurality of winding diameter values are equally divided into winding diameter intervals in the empty winding state and the full winding state of the winding drum and used as critical values for monitoring the winding diameter change of the winding drum by a sensor, and any winding diameter critical value is determined according to a tension value model and is a theoretical tension value of the yarn at the initial position of the yarn guide roller group under the winding diameter;
setting the tension value model function as:
Figure BDA0003476587050000041
wherein, F 3 The tension value F of the yarn acting on the tension pulley is measured by respectively measuring the tension values of an empty winding drum and a full winding drum on a winding shaft in the winding process, D is the winding diameter value on the winding drum, k and b are model coefficients 3 empty roll And F 3 full roll Establishing an equation set to obtain;
in the process of monitoring the winding diameter by the sensor, the average value of the winding diameter within a period of time is selected as a monitoring value and fed back to the control center.
The beneficial effects of the invention are as follows:
in the invention, yarns are sequentially wound around a yarn guide wheel, a tension wheel and a yarn guide roller group and are wound on a winding drum of a winding shaft, a transmission assembly is driven by a second power device to drive the yarn guide roller group to reciprocate along the length direction of a first mounting seat, so that the yarns are spirally wound on the winding drum on the winding shaft, and uniform winding is ensured;
the tension value of the yarn in the reciprocating winding process is adjusted through the tension assembly, the tension pulley is fixed at one end of the swing rod, the counterweight block is installed at the other end of the swing rod, and the gravity of the tension pulley is balanced through the counterweight block, so that the tension adjustment of the cylinder is more accurate;
the installation position of tension pulley on the first swing arm in the regulation pendulum rod to set for the initial position of guide roller group and be located tension pulley under, make the yarn at the tip position that the derivation position on it corresponds the rolling axle, through the initial position of setting for tension pulley and guide roller group, can be through the swing of pendulum rod in the tension assembly, realize certain rolling in-process, it is inconvenient to maintain the cylinder pulling force value, can also ensure that yarn tension value maintains invariable technological effect.
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 embodiments or the description of 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 it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a constant-tension reciprocating winding device in an embodiment of the invention;
FIG. 2 is a schematic diagram of a tension assembly in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a monitoring assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of the connection of the first and second mounting seats to the side plate in the embodiment of the present invention;
figure 5 is a schematic view of the construction of a yarn guide roller set according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a transmission assembly in an embodiment of the present invention;
FIG. 7 is a yarn guide schematic diagram in an initial state during a winding process in the embodiment of the invention;
figure 8 is a schematic view of the yarn guide roller group moving to the middle part of the winding shaft in the embodiment of the invention;
figure 9 is a schematic view of the yarn guide roller group moving to the root of the winding shaft in the embodiment of the invention;
figure 10 is a schematic view of the force analysis at the yarn guiding position shown in figure 7;
figure 11 is a schematic view of the force analysis at the yarn guiding position shown in figure 8;
figure 12 is a schematic view of the force analysis at the yarn guiding position shown in figure 9.
Reference numerals: 1. a support frame; 11. a side plate; 2. a tension assembly; 21. a tension pulley; 22. a swing rod; 221. a first swing arm; 222. a second swing arm; 223. a connecting shaft; 224. a third swing arm; 23. a cylinder; 24. a balancing weight; 25. a monitoring component; 251. a box body; 252. an angle sensor; 253. a transmission gear; 254. detecting the gear; 3. a yarn guide roller group; 31. a support plate; 32. a first roller set; 33. a second roller set; 34. a third roller set; 4. a winding component; 41. a winding shaft; 42. a first power unit; 5. a yarn guide wheel; 6. a first mounting seat; 61. a guide rail; 7. a transmission assembly; 71. a reciprocating screw rod; 72. a limiting block; 73. a connecting rod; 74. a slider; 75. a second power unit; 8. a second mounting seat; 81. a cavity; 82. a chute.
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.
As shown in fig. 1 to fig. 7, the constant tension reciprocating winding device comprises a support frame 1, and a tension assembly 2, a guide roller group 3 and a winding assembly 4 which are arranged on the support frame, wherein the tension assembly 2 is arranged above the guide roller group 3, and a guide wheel 5 is arranged on the support frame 1 corresponding to the tension assembly 2; the winding assembly 4 comprises a winding shaft 41 and a first power device 42, the yarn guide roller group 3 is connected with the first mounting seat 6 in a sliding mode and driven by a transmission assembly 7 to move along the axial direction parallel to the winding shaft 41, and the transmission assembly 7 is arranged on the second mounting seat 8 and driven by a second power device 75; the tension assembly 2 comprises a tension wheel 21, a swing rod 22 and a cylinder 23, an output shaft of the cylinder 23 and the tension wheel 21 are respectively connected with two ends of the swing rod 22, a monitoring assembly 25 is arranged at the position of the swing rod 22 and can monitor the swing of the swing rod 22, and yarns are sequentially wound through a yarn guide wheel 5, the tension wheel 21 and a yarn guide roller group 3 and are wound onto a winding drum of a winding shaft 41.
In the winding process of the embodiment, the first power device 42 continuously drives the winding shaft 41 to rotate, and the second power device 75 drives the transmission assembly 7 to further drive the yarn guide roller group 3 to reciprocate along the length direction of the first mounting seat 6, that is, along the axial direction parallel to the winding shaft 41, so that the yarn is spirally wound on the winding drum surface of the winding shaft 41; the tension value of the yarn in the reciprocating winding process is adjusted through the tension component 2 arranged above the yarn guide roller group 3, and the constant tension winding in the reciprocating movement process of the yarn along with the yarn guide roller group 3 is ensured.
Further, as shown in fig. 4, the first mounting seat 6, the second mounting seat 8 and the winding shaft 41 are all disposed perpendicular to the mounting plane of the side plate 11, and the first mounting seat 6 and the second mounting seat 8 are disposed on two sides of the side plate 11 relatively, and the winding shaft 41 is disposed at an oblique lower side thereof corresponding to the first mounting seat 6.
The second mounting seat 8 comprises a cavity 81 and a sliding groove 82 which are arranged along the length direction of the second mounting seat, and the transmission assembly 7 comprises a reciprocating screw rod 71 arranged in the cavity 81, a limiting block 72 connected with the sliding groove 82 in a sliding manner, and a connecting rod 73 arranged on the limiting block 72; the two ends of the reciprocating screw rod 71 are rotatably connected with the second mounting base 8, one side of the limiting block 72 facing the reciprocating screw rod 71 is provided with a sliding block 74, the end part of the sliding block 74 is embedded into the thread of the reciprocating screw rod 71 and is in sliding connection with the thread, and the limiting block 72 is connected with the yarn guide roller group 3 through a connecting rod 73.
Specifically, as shown in fig. 5 and 6, the first mounting seat 6 and the second mounting seat 8 are oppositely arranged at two sides of the side plate 11, and are respectively used for supporting the yarn guide roller group 3 and the transmission assembly 7; the second mounting base 8 is of a cuboid structure, a cavity 81 used for accommodating the reciprocating screw rod 71 is arranged in the second mounting base, the reciprocating screw rod 71 is driven to rotate through the second power device 75, the sliding block 74 in threaded connection with the reciprocating screw rod 71 can move in a reciprocating mode along the axial direction of the sliding block 74, the sliding block 74 is in sliding connection with a sliding groove 82 formed in the second mounting base 8 through a limiting block 72, the limiting block 72 drives the yarn guide roller group 3 to move through a connecting rod 73, and the smooth continuity of the steering process of the yarn guide roller group 3 in the reciprocating motion can be guaranteed through the transmission of the reciprocating screw rod 71.
Further, a guide rail 61 is provided on the first mounting seat 6 along the longitudinal direction thereof, and the yarn guide roller group 3 is provided on the side of the first mounting seat 6 facing the winding shaft 41 and slidably connected to the guide rail 61. The connecting rod 73 is arranged in parallel with the reciprocating screw rod 71, and when the reciprocating screw rod 71 rotates and drives the sliding block 74 on the reciprocating screw rod to move along the axial direction of the reciprocating screw rod, the connecting rod 73 synchronously drives the yarn guide roller group 3 on the first mounting seat 6 on the other side of the side plate 11 to move. The connecting rod 73 is arranged in parallel with the reciprocating screw rod 71 and the guide rail 61, so that the stability of the reciprocating motion process of the yarn guide roller group 3 along the length direction of the guide rail 61 is further ensured.
The yarn guide roller group 3 comprises a support plate 31, and a first roller group 32, a second roller group 33 and a third roller group 34 which are arranged on the support plate 31 along the vertical direction, wherein the support plate 31 is connected with the guide rail 61 in a sliding way and is fixedly connected with the connecting rod 73; the first roller set 32 is arranged in parallel with the rotation axes of the yarn guide wheel 5 and the tension wheel 21 in the axial direction, and the first roller set 32 is arranged in perpendicular to the third roller set 34 in the axial direction.
As shown in fig. 5, a plurality of guide rollers are respectively arranged in the first roller group 32, the second roller group 33 and the third roller group 34, and the yarn sequentially passes through the first roller group 32, the second roller group 33 and the third roller group 34 in a winding manner along the vertical direction, so that the yarn is gradually turned in the yarn guiding process, and the yarn passes through between two parallel guide rollers in each roller group.
Furthermore, the axial direction of the first roller group 32 is parallel to the rotation axis of the tension pulley 21, so that the yarn led out from the tension pulley 21 can be better received; the axial direction of the third roller set 34 is parallel to the axial direction of the winding shaft 41, so that the winding effect on the winding drum is better after the yarn is guided to the winding shaft 41.
In this embodiment, as shown in fig. 2 and fig. 3, the swing link 22 is configured as a U-shaped structure, and includes a first swing arm 221 and a second swing arm 222 that are arranged in parallel, and a connecting shaft 223 connecting the two swing arms, and the tension pulley 21 and the output shaft of the cylinder 23 are respectively connected to ends of the first swing arm 221 and the second swing arm 222 that are far away from the connecting shaft 223; a third swing arm 224 is oppositely arranged at one end of the first swing arm 221 connected with the connecting shaft 223, and a balancing weight 24 is arranged at one end of the third swing arm 224 far away from the connecting shaft 223.
In the specific implementation process, after the tension pulley 21 is fixed at one end of the swing rod 22, the other end of the swing rod 22 is provided with the balancing weight 24, the mass of the balancing weight 24 is selected, and the installation position of the balancing weight 24 is adjusted, so that the gravity moment of the balancing weight 24 and the gravity moment of the tension pulley 21 can be balanced with each other; the air cylinder 23 drives the swing rod 22 to adjust the yarn tension value more accurately.
The monitoring assembly 25 comprises a box body 251, an angle sensor 252 and a transmission gear 253 which are arranged in the box body 251, and the transmission gear 253 is sleeved on the connecting shaft 223 and rotates coaxially with the connecting shaft 223; the output end of the angle sensor 252 is provided with a detection gear 254, and the detection gear 254 is meshed with a transmission gear 253. When the yarn tension value changes, the swing rod 22 can swing, wherein the connecting shaft 223 in the swing rod 22 rotates relative to the box body 251, and the angle sensor 252 arranged in the box body 251 can detect the rotation of the connecting shaft 223 and judge the change of the tension value according to the rotation direction and the angle.
The invention further discloses a control method of the constant-tension reciprocating winding device, which is applied to the reciprocating winding device and comprises the following steps:
adjusting the installation position of the tension pulley 21 on the first swing arm 221 in the swing rod 22 to enable the guiding position of the yarn on the swing rod to correspond to the end position of the winding shaft 41, arranging a counterweight block 24 on a third swing arm 224 which is formed by extending the first swing arm 221 in the reverse direction, and adjusting the installation position of the counterweight block 24;
winding the yarn sequentially through the yarn guide wheel 5, the tension wheel 21 and the yarn guide roller group 3 and winding the yarn on a winding drum of a winding shaft 41;
setting the initial position of the yarn guide roller group 3 to be positioned right below the tension pulley 21 and corresponding to the end position of the winding shaft 41, adjusting the cylinder 23 to the initial tension and keeping a constant tension value;
the winding shaft 41 is driven by the first power device 42 to rotate for winding, and the transmission assembly 7 is driven by the second power device 75 and drives the yarn guide roller group 3 to reciprocate;
the winding diameter change of a winding drum on the winding shaft 41 is monitored through a sensor, when the winding diameter value reaches a critical value, the set value of the air pressure of the air cylinder 23 is modified according to the tension value model, the air pressure of the air cylinder 23 is adjusted through the control center, and the tension value of the air cylinder 23 is changed.
In the control process of the winding device, the yarn tension values wound on the winding drum in different winding diameter sections need to be adjusted, the winding standard of the yarn needs to be met, namely the yarn tension values of the winding drum and the outer ring need to be smaller than the yarn tension value of the inner ring, and meanwhile the yarn tension value of the yarn wound along the axial direction of the winding drum in the same winding diameter range needs to be constant. Therefore, in the invention, the winding tension values of the yarns in different winding diameter sections are determined by establishing a function model, and the constant tension winding of the yarns in the same winding diameter section is realized by the tension assembly.
The first swing rod and the third swing rod are integrally arranged, the connecting shaft is used as a fulcrum, and the mounting positions of the tension pulley and the balancing weight are adjusted to ensure that the gravity force arms of the tension pulley and the balancing weight are respectively L 4 And L 6 And simultaneously, the gravity moments of the tension pulley and the balancing weight are mutually balanced, so that the following moment balance formula is satisfied:
F 4 L 4 ≈F 6 L 6 ；
wherein, F 4 Gravity of the tension pulley, F 6 Is the weight of the counterweight.
Referring to fig. 10 to 12, in the half-time reciprocal winding process of the yarn, the tension values of the yarn at the two sides of the tension pulley are set to be F respectively 1 And F 2 The total tension of the yarn acting on the tension pulley is F 3 (ii) a When the yarn moves along with the yarn guide roller group, as shown in figures 7 to 9, the tension included angle theta is gradually increased when the yarn moves from the end part to the root part of the winding drum according to the formula F 3 ＝F 1 COSθ+F 2 COS theta, the tension value F along with the gradual increase of the included angle theta 3 Gradually decreases and in the process, see fig. 10 to 12, the tension value F 3 The variation range of the force arm is not large, so that the tension value F of the yarn is caused in the half-time reciprocating winding 3 Is gradually decreasing.
With continued reference to fig. 10 to 12, in the half-time reciprocating rolling, the angle between the swing rod and the horizontal plane is positive or negative, so that the pulling force F of the cylinder is enabled 5 Arm of force L 5 Gradually decreases, resulting in a gradual decrease in the torque of the cylinder.
According to the force diagram shown in fig. 10, a moment balance formula can be obtained:
F 3 L 3 +F 4 L 4 ＝F 5 L 5 +F 6 L 6 ；
wherein the tension pulley and the counterweight block are designed to have a substantially balanced moment, i.e. F 4 L 4 ≈F 6 L 6 ；
Then F is known 3 L 3 ＝F 5 L 5 I.e. as tension value F 3 Moment and cylinder tension F 5 The moment of (2) can be balanced to achieve a constant yarn tension value in the tension assembly.
Therefore, by setting the initial positions of the tension wheel and the yarn guide roller group, the technical effect that the tension value of the air cylinder is kept constant and the yarn tension value is kept constant in the winding process of the winding diameter within a certain range can be realized through the swing of the swing rod in the tension assembly.
In the winding process of the embodiment, the winding diameter on the winding drum is gradually increased, and the tension value F of the yarn acting on the tension pulley is required 3 Gradually decrease; in the application, a plurality of winding diameter values are equally divided into winding diameter intervals in the empty winding state and the full winding state of a winding drum, the winding diameter values are used as critical values for monitoring the winding diameter change of the winding drum by a sensor, any winding diameter critical value is determined according to a tension value model, and the critical value is a theoretical tension value of yarns of a yarn guide roller group at the initial position under the winding diameter;
the tension value model function is set as:
Figure BDA0003476587050000101
wherein, F 3 The tension value F of the yarn acting on the tension pulley is measured by respectively measuring the tension values of an empty winding drum and a full winding drum on a winding shaft in the winding process, D is the winding diameter value on the winding drum, k and b are model coefficients 3 empty roll And F 3 full roll Establishing an equation set to obtain:
Figure BDA0003476587050000102
in the process of monitoring the winding diameter by the sensor, the average value of the winding diameter within a period of time is selected as a monitoring value and fed back to the control center.
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 (7)

1. The control method of the constant-tension reciprocating winding device is characterized in that the constant-tension reciprocating winding device is adopted and comprises a support frame (1), and a tension component (2), a yarn guide roller group (3) and a winding component (4) which are arranged on the support frame, wherein the tension component (2) is positioned above the yarn guide roller group (3), and a yarn guide wheel (5) is arranged on the support frame (1) corresponding to the tension component (2);
the winding assembly (4) comprises a winding shaft (41) and a first power device (42), the yarn guide roller group (3) is connected with the first mounting seat (6) in a sliding mode and driven by a transmission assembly (7) to move along the axial direction parallel to the winding shaft (41), and the transmission assembly (7) is arranged on the second mounting seat (8) and driven by a second power device (75);
the tension assembly (2) comprises a tension wheel (21), a swing rod (22) and an air cylinder (23), an output shaft of the air cylinder (23) and the tension wheel (21) are respectively connected with two ends of the swing rod (22), a monitoring assembly (25) is arranged at the position of the swing rod (22) and can monitor the swing of the swing rod (22), and yarns are sequentially wound through a yarn guide wheel (5), the tension wheel (21) and a yarn guide roller group (3) and are wound on a winding drum of a winding shaft (41);
the swing rod (22) is of a U-shaped structure and comprises a first swing arm (221) and a second swing arm (222) which are arranged in parallel and a connecting shaft (223) for connecting the two swing arms, and the output shafts of the tension pulley (21) and the cylinder (23) are respectively connected with one ends of the first swing arm (221) and the second swing arm (222) far away from the connecting shaft (223);
a third swing arm (224) is arranged at one end of the first swing arm (221) connected with the connecting shaft (223) in an opposite direction, and a balancing weight (24) is arranged at one end of the third swing arm (224) far away from the connecting shaft (223);
the control method comprises the following steps:
adjusting the mounting position of a tension pulley (21) on a first swing arm (221) in the swing rod (22) to enable the guiding position of the yarn on the swing rod to correspond to the end position of the winding shaft (41), arranging a balancing weight (24) on a third swing arm (224) which is formed by extending the first swing arm (221) in the reverse direction, and adjusting the mounting position of the balancing weight (24);
the yarn is sequentially wound through a yarn guide wheel (5), a tension wheel (21) and a yarn guide roller set (3) and wound on a winding drum of a winding shaft (41);
setting the initial position of the yarn guide roller group (3) to be positioned right below the tension wheel (21) and corresponding to the end position of the winding shaft (41), adjusting the cylinder (23) to the initial tension and keeping a constant tension value;
the winding shaft (41) is driven by the first power device (42) to rotate and wind, and the transmission assembly (7) is driven by the second power device (75) and drives the yarn guide roller group (3) to reciprocate;
the method comprises the following steps of monitoring the change of the winding diameter of a winding drum on a winding shaft (41) through a sensor, modifying a set value of air pressure of an air cylinder (23) according to a tension value model when the winding diameter value reaches a critical value, adjusting the air pressure of the air cylinder (23) through a control center, changing the tension value of the air cylinder (23), and specifically calculating the tension value of the air cylinder according to the following moment balance formula:
Figure DEST_PATH_IMAGE001
；
wherein, the first swing rod and the third swing rod are arranged integrally, the connecting shaft is used as a fulcrum, and the tension values of the yarn at the two sides of the tension pulley are respectively
Figure 644735DEST_PATH_IMAGE002
And
Figure DEST_PATH_IMAGE003
the total tension of the yarn acting on the tension pulley is
Figure 617108DEST_PATH_IMAGE004
The included angle theta of the tension force is,
Figure DEST_PATH_IMAGE005
and
Figure 41267DEST_PATH_IMAGE006
respectively is a tension value
Figure 129309DEST_PATH_IMAGE004
And cylinder tension
Figure DEST_PATH_IMAGE007
The moment arm of (a);
adjusting the installation positions of the tension pulley and the balancing weight to ensure that the gravity force arms of the tension pulley and the balancing weight are respectively
Figure 334025DEST_PATH_IMAGE008
And
Figure DEST_PATH_IMAGE009
simultaneously, the gravity moments of the tension pulley and the balancing weight are mutually balanced, namely, the following moment balance formula is satisfied：
Figure 175335DEST_PATH_IMAGE010
；
Wherein the content of the first and second substances,
Figure DEST_PATH_IMAGE011
is the gravity of the tension wheel,
Figure 781897DEST_PATH_IMAGE012
is the weight of the counterweight;
the cylinder tension is calculated and adjusted according to the following formula:
Figure DEST_PATH_IMAGE013
。
2. the control method of the constant-tension reciprocating winding device according to claim 1, wherein the first mounting seat (6), the second mounting seat (8) and the winding shaft (41) are all arranged perpendicular to a mounting plane of a side plate (11), the first mounting seat (6) and the second mounting seat (8) are oppositely arranged on two sides of the side plate (11), and the winding shaft (41) is arranged obliquely below the first mounting seat (6).
3. The control method of the constant-tension reciprocating winding device according to claim 2, wherein the second mounting seat (8) comprises a cavity (81) and a sliding groove (82) which are arranged along the length direction of the second mounting seat, the transmission assembly (7) comprises a reciprocating screw rod (71) which is arranged in the cavity (81), a limiting block (72) which is in sliding connection with the sliding groove (82), and a connecting rod (73) which is arranged on the limiting block (72);
the two ends of the reciprocating screw rod (71) are rotatably connected with the second mounting seat (8), one side of the limiting block (72) facing the reciprocating screw rod (71) is provided with a sliding block (74), the end part of the sliding block (74) is embedded into the thread of the reciprocating screw rod (71) and is in sliding connection with the thread, and the limiting block (72) is connected with the yarn guide roller group (3) through the connecting rod (73).
4. A control method of a constant tension reciprocating winding device according to claim 3, characterized in that a guide rail (61) is arranged on the first mounting seat (6) along the length direction thereof, and the guide roller group (3) is arranged on one side of the first mounting seat (6) facing the winding shaft (41) and is connected with the guide rail (61) in a sliding way.
5. The control method of the constant-tension reciprocating winding device according to claim 4, characterized in that the yarn guide roller group (3) comprises a support plate (31) and a first roller group (32), a second roller group (33) and a third roller group (34) which are arranged on the support plate in the vertical direction, wherein the support plate (31) is connected with the guide rail (61) in a sliding way and is fixedly connected with the connecting rod (73);
the axial direction of the first roller group (32) is parallel to the rotating axle centers of the yarn guide wheel (5) and the tension wheel (21), and the axial direction of the first roller group (32) is perpendicular to the axial direction of the third roller group (34).
6. The control method of the constant-tension reciprocating winding device according to claim 1, wherein the monitoring assembly (25) comprises a box body (251) and an angle sensor (252) and a transmission gear (253) which are arranged in the box body, and the transmission gear (253) is sleeved on the connecting shaft (223) and rotates coaxially with the connecting shaft;
the output end of the angle sensor (252) is provided with a detection gear (254), and the detection gear (254) is meshed with the transmission gear (253).
7. The control method of a constant tension reciprocating winding device according to claim 1, characterized in that the winding diameter interval of the winding drum in the empty winding state and the full winding state is equally divided into a plurality of winding diameter values as the critical value of the winding diameter change of the winding drum monitored by a sensor, and any winding diameter critical value is determined according to a tension value model and is the theoretical tension value of the yarn at the initial position of the yarn guide roller group under the winding diameter;
setting the tension value model function as:
Figure 978523DEST_PATH_IMAGE014
；
wherein the content of the first and second substances,
Figure 936115DEST_PATH_IMAGE004
is the tension value of the yarn acting on the tension wheel, D is the roll diameter value of the winding drum,kandbthe model coefficient is obtained by respectively measuring the tension value of the yarn acting on the tension pulley during the winding process of an empty winding drum and a full winding drum on the winding shaft
Figure DEST_PATH_IMAGE015
And
Figure 374924DEST_PATH_IMAGE016
establishing an equation set to obtain;
in the process of monitoring the winding diameter by the sensor, the average value of the winding diameter within a period of time is selected as a monitoring value and fed back to the control center.
CN202210056196.0A 2022-01-18 2022-01-18 Constant-tension reciprocating winding equipment and control method thereof Active CN114380126B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210056196.0A CN114380126B (en) 2022-01-18 2022-01-18 Constant-tension reciprocating winding equipment and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210056196.0A CN114380126B (en) 2022-01-18 2022-01-18 Constant-tension reciprocating winding equipment and control method thereof

Publications (2)

Publication Number Publication Date
CN114380126A CN114380126A (en) 2022-04-22
CN114380126B true CN114380126B (en) 2022-10-18

Family

ID=81204075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210056196.0A Active CN114380126B (en) 2022-01-18 2022-01-18 Constant-tension reciprocating winding equipment and control method thereof

Country Status (1)

Country Link
CN (1) CN114380126B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114261839B (en) * 2022-01-28 2022-08-12 新创碳谷控股有限公司 Yarn winding mechanism and control method thereof
CN114684670B (en) * 2022-06-01 2022-09-06 常州同维佳业新材料科技有限公司 Tension control device for continuous winding of yarns
CN115971692B (en) * 2023-03-22 2023-05-30 江苏缔成特材科技有限公司 Identification tag laser point breaker

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678778A (en) * 1995-03-24 1997-10-21 Windings, Inc. High speed, dual head, on-line winding apparatus
JP2000318893A (en) * 1999-05-12 2000-11-21 Bridgestone Corp Take-up device
CN102107800A (en) * 2011-03-14 2011-06-29 浙江寰亚电子有限公司 Intelligent rewinding machine
CN103121605A (en) * 2013-03-13 2013-05-29 无锡日恒电子科技有限公司 Automatic detection control system and control method for superfine wire precise wire arrangement edge
CN208413498U (en) * 2018-07-11 2019-01-22 东莞市纵横机电科技有限公司 Gyroscope aperture identical tension closed loop is put around accurate permutation up- coiler
CN213622638U (en) * 2020-11-16 2021-07-06 苏州振恒机械设备有限公司 Automatic coil winder
CN113353725A (en) * 2021-08-09 2021-09-07 烟台鑫泰汽车配件有限公司 Yarn winding device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5678778A (en) * 1995-03-24 1997-10-21 Windings, Inc. High speed, dual head, on-line winding apparatus
JP2000318893A (en) * 1999-05-12 2000-11-21 Bridgestone Corp Take-up device
CN102107800A (en) * 2011-03-14 2011-06-29 浙江寰亚电子有限公司 Intelligent rewinding machine
CN103121605A (en) * 2013-03-13 2013-05-29 无锡日恒电子科技有限公司 Automatic detection control system and control method for superfine wire precise wire arrangement edge
CN208413498U (en) * 2018-07-11 2019-01-22 东莞市纵横机电科技有限公司 Gyroscope aperture identical tension closed loop is put around accurate permutation up- coiler
CN213622638U (en) * 2020-11-16 2021-07-06 苏州振恒机械设备有限公司 Automatic coil winder
CN113353725A (en) * 2021-08-09 2021-09-07 烟台鑫泰汽车配件有限公司 Yarn winding device

Also Published As

Publication number Publication date
CN114380126A (en) 2022-04-22

Similar Documents

Publication Publication Date Title
CN114380126B (en) Constant-tension reciprocating winding equipment and control method thereof
CN114348783B (en) Constant tension winding control method of reciprocating winding equipment
CN103193102A (en) Floating roll device for film production device
CN108584508A (en) Online exhibition fine buffering constant tension device and its application method
CN104326309A (en) Variable tension adjustment and control device capable of being used for precision winding of optical fiber
CN110040578B (en) Yarn winding system and control method
CN102173354A (en) Polytetrafluoroethylene film longitudinal stretching unit
CN104261200B (en) Testing agency is taken turns in a kind of dancing carrying out varied tention regulation and control
CN106276409B (en) Hollow fiber hemodialysis membrane receives silk buffer
CN106217838A (en) Carbon fiber winding tension force Modular control system
CN110158211A (en) A kind of wire rope core making apparatus and method for fibrecord
CN107868985B (en) Electronic tension winding device of continuous spinning machine and operation method thereof
CN212245715U (en) Continuous spinning winding speed regulating device
CN114261839B (en) Yarn winding mechanism and control method thereof
CN202298073U (en) Friction coiling device
CN108660553B (en) Online measurement and control method for spindle rotating speed of ring spinning frame and spinning frame adopting method
CN208485992U (en) Ring throstle spindle revolving speed online monitoring method device
CN203033551U (en) Floating roll feedback type yarn tension control device of one-step warper
CN212863552U (en) Grooved drum of color spinning machine
CN111099419B (en) Tension control system and method for high-speed and wide-width battery pole piece equipment
JP2004175472A (en) Linear material winding device and method
CN209455740U (en) Thin-film unreeling device
CN110371786B (en) Winding forming device and method for wire ropes
CN217172789U (en) Accurate controlling means of yarn tension
CN216863260U (en) Tension mechanism and protofilament winding and unwinding experimental device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant