WO2023236917A1 - Mécanisme d'ouverture et métier à tisser - Google Patents

Mécanisme d'ouverture et métier à tisser Download PDF

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Publication number
WO2023236917A1
WO2023236917A1 PCT/CN2023/098426 CN2023098426W WO2023236917A1 WO 2023236917 A1 WO2023236917 A1 WO 2023236917A1 CN 2023098426 W CN2023098426 W CN 2023098426W WO 2023236917 A1 WO2023236917 A1 WO 2023236917A1
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WO
WIPO (PCT)
Prior art keywords
unit
stator
frame
mover
heald
Prior art date
Application number
PCT/CN2023/098426
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English (en)
Chinese (zh)
Inventor
孙鹏
张建秋
邵佳威
耿彬彬
段玉响
孙义
张源
于兆凯
Original Assignee
深圳市汇川技术股份有限公司
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 深圳市汇川技术股份有限公司 filed Critical 深圳市汇川技术股份有限公司
Publication of WO2023236917A1 publication Critical patent/WO2023236917A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for

Definitions

  • This application belongs to the field of textile technology, and specifically relates to an opening mechanism and a loom.
  • the loom usually includes a let-off mechanism, a shedding mechanism, a weft insertion mechanism, a beating-up mechanism and a take-up mechanism.
  • the shedding mechanism is used to drive the heald frame to reciprocate up and down, so that the warp threads passing through the heald frame can move along with the heald frame. It moves up and down in layers to form a shed, thereby ensuring that the weft yarn ejected by the weft insertion mechanism passes smoothly through the shed, and the beating-up mechanism beats the weft yarn passing through the shed to the surface of the warp yarn to form a fabric.
  • Each of the above mechanisms is driven by the main shaft, and operates in a certain timing sequence as the main shaft rotates.
  • the power source of the shedding mechanism of the loom comes from the main shaft.
  • the movement of the main shaft converts the rotation of the main shaft into the up and down reciprocating motion of the heald frame through synchronous belt transmission, gears, cams, connecting rod mechanisms or crank link mechanisms, so that the shedding
  • the structural integration of the mechanism is low, and the opening mechanism takes up a lot of space and is expensive.
  • the main shaft load fluctuates greatly due to the transmission of multiple mechanisms, and the vibration and noise problems of the whole machine are serious.
  • the purpose of this application is to provide a shedding mechanism, aiming to solve the problem that the existing loom shedding mechanism has low structural integration, large space and high cost, and the periodicity of the load of the main shaft of the loom.
  • Technical problems such as large fluctuations and serious vibration and noise problems of the whole machine.
  • a shedding mechanism applied to looms, the shedding mechanism includes multiple heald frames and at least one stator module; wherein:
  • the stator module is connected to the loom frame, and the stator module has at least one stator unit;
  • Each heald frame is integrated with at least one mover unit, and the mover unit is slidably fitted in the stator unit; each heald frame is used to electrically generate magnetism between the mover unit and the stator unit. Under the action, the stator unit moves linearly back and forth in the vertical direction relative to the stator unit.
  • the heald frame includes a frame, and the mover unit is disposed on the outer edge of the frame.
  • the heald frame further includes a first heald, a second heald and a heald; wherein:
  • the frame includes a first side frame, a second side frame, an upper frame and a lower frame.
  • the first side frame and the second side frame are distributed with positioning slots, and the positioning slots are used to install the a first heddle and said second heddle;
  • the heddle is suspended between the first heddle and the second heddle.
  • the mover unit is disposed at any one or more of the first side frame, the second side frame, the upper frame, and the lower frame.
  • the stator module further includes a connecting component, the stator unit is installed on the connecting component, and the connecting component is used to connect the loom frame.
  • the number of the stator modules is the same as the number of the mover units in each heald frame, and any one or more of the stator modules has one stator unit.
  • the number of stator modules is the same as the number of mover units in each heald frame, and the number of stator units in any one or more of the stator modules is equal to the number of mover units in each heald frame. The number of heald frames.
  • one of the mover unit and the stator unit is provided with a coil winding, and the other is provided with a magnetic component corresponding to the coil winding, and the coil winding is used for external power supply.
  • one of the mover unit and the stator unit has a first flat plate portion, and the other has a second flat plate portion slidingly fitted on one side of the first flat plate portion;
  • one of the mover unit and the stator unit has a third flat plate part and a fourth flat plate part, and the other has a third flat plate part slidably fitted between the third flat plate part and the fourth flat plate part.
  • one of the mover unit and the stator unit has a first slide groove portion, and the other has a first slide block portion slidingly fitted on the first slide groove portion;
  • one of the mover unit and the stator unit has a first cylindrical part, and the other has a first core part slidably fitted in the first cylindrical part.
  • This application also proposes a loom, which includes an opening mechanism as mentioned above.
  • one of the mover unit and the stator unit is provided with a coil winding, and the other is provided with a magnetic component corresponding to the coil winding, and the loom further includes a drive control unit.
  • the drive control unit is connected to the coil winding;
  • the drive control unit is used to transmit control signals to the coil windings to drive each heald frame to reciprocate linearly in the vertical direction relative to the stator unit.
  • the number of the drive control unit is one;
  • the number of drive control units is the same as the number of mover units in each heald frame
  • the number of drive control units is the same as the number of heald frames
  • the number of drive control units is equal to the product of the number of heald frames and the number of mover units in each heald frame.
  • the shedding mechanism proposed in this application includes multiple heald frames and at least one stator module.
  • the stator module is set on the loom frame, and at least one mover unit is integrated on each heald frame. Integrating at least one mover unit can eliminate the need for complex transmission mechanisms, simplify the structure, and reduce costs; the mover unit slides with the stator unit of the stator module, and uses the linear motor principle to create a gap between the mover unit and the stator unit.
  • the electromagnetic effect can drive the mover unit to move relative to the stator unit, thereby directly driving the heald frame to reciprocate up and down in the vertical direction relative to the loom frame, realizing the decoupling of the movement of the shedding mechanism and the movement of the main shaft, without relying on intermediate
  • the complex transmission mechanism can effectively reduce the load on the main shaft and is conducive to the high speed of the loom. And because the shedding mechanism only has up and down reciprocating motion in the vertical direction, it avoids the horizontal vibration introduced by the complex transmission mechanism, thereby reducing the vibration and noise during the operation of the loom.
  • Figure 1 is a schematic diagram of the overall structure of an embodiment of the opening mechanism of the present application.
  • Figure 2 is a partial structural schematic diagram of an embodiment of the opening mechanism of the present application.
  • Figure 3 is a partially exploded structural diagram of an embodiment of the opening mechanism of the present application.
  • FIG. 4 is a schematic diagram of the first distribution position of the stator module in the embodiment of the present application.
  • FIG. 5 is a schematic diagram of the second distribution position of the stator module in the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the third distribution position of the stator module in the embodiment of the present application.
  • Figure 7 is a schematic diagram of the fourth distribution position of the stator module in the embodiment of the present application.
  • Figure 8 is a schematic diagram of the fifth distribution position of the stator module in the embodiment of the present application.
  • FIG. 9 is a schematic diagram of the first cooperation relationship between the stator module and the mover unit in the embodiment of the present application.
  • FIG. 10 is a schematic diagram of the second cooperation relationship between the stator module and the mover unit in the embodiment of the present application.
  • FIG 11 is a schematic structural diagram of the integrated stator module in the embodiment of the present application.
  • Figure 12 is a schematic structural diagram of the split stator module in the embodiment of the present application.
  • Figure 13 is a schematic diagram of the first connection structure of the drive control unit in the embodiment of the present application.
  • Figure 14 is a schematic diagram of the second connection structure of the drive control unit in the embodiment of the present application.
  • Figure 15 is a schematic diagram of the third connection structure of the drive control unit in the embodiment of the present application.
  • Figure 16 is a schematic diagram of the fourth connection structure of the drive control unit in the embodiment of the present application.
  • the power source can only come from the spindle opening mechanism, which has many defects: (1) low structural integration, large space occupation, and high cost; (2) high requirements for structural integration reliability, which is not conducive to high-speed looms ; (3) In terms of vibration and noise, multiple mechanism transmissions convert periodic reciprocating motion, and the spindle load fluctuates greatly periodically, causing serious vibration and noise problems of the whole machine; (4) The process adjustment is cumbersome and complicated, which is not conducive to operation; for example , when adjusting the fabric pattern, it is often necessary for a professional mechanic to replace a certain combination of cam groups or adjust the opening angle of the opening mechanism, which is very cumbersome operation.
  • an embodiment of the present application provides a shedding mechanism, which is applied to a loom and can realize the decoupling of the movement of the shedding mechanism and the movement of the main shaft.
  • the above-mentioned opening mechanism may include multiple heald frames 1 and at least one stator module 2; wherein:
  • the stator module 2 is connected to the loom stand 5, and each stator module 2 has at least one stator unit 21;
  • Each heald frame 1 can be integrated with at least one mover unit, and the mover unit is slidably matched in the stator unit 21; each heald frame 1 is used to move relative to the stator unit 21 under the electromagnetic action of the mover unit and the stator unit 21. Move back and forth in a straight line in the vertical direction.
  • the heald frame 1 can have a frame-like structure, and the brown frame 1 can include a frame.
  • a plurality of healds 17 can be arranged at intervals in the heald frame 1 , and the healds 17 are provided with healds for warp yarns to pass through. Eye, after the warp yarn passes through the heddle eyelet, it can be driven by the heald frame 1 to move up and down in the vertical direction. A shed for the weft yarn to pass through will be formed between the warp yarns of each heald frame 1.
  • the mover unit can be directly integrated in the heald frame 1, and each brown frame can have one or more mover units. There is no need to connect the brown frame and the mover unit through a connecting mechanism, which effectively improves the integration level.
  • the above-mentioned mover unit can be integrated on the outer edges of any one side or multiple sides of the heald frame 1 frame.
  • the way in which the above-mentioned mover unit is integrated into the heald frame 1 is not limited to the above examples.
  • the above-mentioned mover unit can be a wound coil winding or a magnetic component.
  • the specific details can be determined according to the actual situation, which is not limited in the embodiment of this specification.
  • the number of stator units 21 in the stator module 2 can be set corresponding to the position and number of the mover units, or only one stator unit 21 can be provided.
  • the details can be determined according to the actual situation, and the embodiments of this specification are not limited to this.
  • the stator module 2 can be fixed on the loom frame 5 through threaded connection or other means.
  • the stator unit 21 is a part of the stator module 2 that is used to slidely cooperate with the mover unit to achieve electromagnetic effect.
  • the stator unit 21 may specifically include a slot, a through hole, or a slot provided on the stator module 2 .
  • the boss on the group 2 has a coil winding wound around it or a magnetic component 3 attached to the tank, through hole or boss.
  • the mover unit when the stator unit 21 is a trough, a through hole and a boss respectively, the mover unit can be configured to include a slider part, a core integrated on the heald frame 1 and slidably matched with the stator unit 21 . part and tank part.
  • the mover unit When coil windings are provided in the stator unit 21, magnetic components 3 should be provided in the mover unit; conversely, when magnetic components 3 are provided in the stator unit 21, coil windings should be provided in the mover unit.
  • the stator unit 21 when the magnetic component 3 is installed in the stator unit 21 and the coil winding is installed in the mover unit, when the coil winding is supplied with alternating current, the stator unit 21 will induce an electromotive force and generate a current under the cutting action of the traveling magnetic field generated. This current interacts with the magnetic field in the air gap to generate electromagnetic thrust. Since the stator unit 21 is in a fixed state, the heald frame 1 will follow the moving sub-unit in linear motion under the electromagnetic thrust. By adjusting the phase of the external power supply of the coil winding, the movement direction of the heald frame 1 can be switched, so that the up and down reciprocating motion of the heald frame 1 can be realized.
  • the shedding mechanism includes multiple heald frames 1 and at least one stator module 2, and the stator module 2 is set on the loom stand 5.
  • the module 2 has at least one stator unit 21; by integrating at least one mover unit on each heald frame 1, a complex transmission mechanism can be omitted, the structure is simplified, and the cost is reduced; wherein, the mover unit and the stator module
  • the stator unit 21 of 2 is slidingly matched. Using the linear motor principle, the electromagnetic effect generated between the mover unit and the stator unit 21 can drive the mover unit to move relative to the stator unit 21, thereby directly driving the heald frame 1 relative to the loom table.
  • the frame 5 reciprocates up and down in the vertical direction, which realizes the decoupling of the movement of the opening mechanism and the movement of the main shaft. It does not rely on the complex transmission mechanism in the middle, which can effectively reduce the load of the main shaft and is conducive to the high speed of the loom. And because the shedding mechanism only has up and down reciprocating motion in the vertical direction, it avoids the horizontal vibration introduced by the complex transmission mechanism, thereby reducing the vibration and noise during the operation of the loom.
  • the stator module 2 may also include a connecting component 4 on which the stator unit 21 is installed.
  • the connecting component 4 is used to connect the loom frame 5 .
  • the connecting component 4 may specifically include a sheet metal bending component, which may be respectively fixed to the stator unit 21 and the loom frame 5 through threaded connection. By providing the connecting component 4, the stator unit 21 can be fixed to the loom frame 5 more easily.
  • the heald frame 1 may include a frame, and the mover unit may be disposed on the outer edge of the frame.
  • the heald frame 1 may also include a first heald piece 15, a second heald piece 16 and a heald piece 17; wherein:
  • the frame may include a first side frame 11, a second side frame 12, an upper frame 13 and a lower frame 14.
  • the first side frame 11 and the second side frame 12 are distributed with positioning slots 18, and the positioning slots 18 are used to install the third side frame.
  • the heald 17 is suspended between the first heald 15 and the second heald 16 .
  • the above-mentioned mover unit may be disposed at any one or more of the first side frame 11, the second side frame 12, the upper frame 13, and the lower frame 14.
  • the mover unit may include a Coil windings on the corresponding frame or magnetic components 3 attached to the corresponding frame.
  • the magnetic component 3 can be integrated on the first side frame 11 by attachment as shown in FIG. 2 , or the magnetic component 3 can be integrated on the second side frame by attachment as shown in FIG. 3 on border 12.
  • the manner in which the above-mentioned mover unit is integrated into the heald frame 1 is not limited to the above examples. Those skilled in the art may also make other changes under the inspiration of the technical essence of the embodiments of this specification, but as long as the functions and effects achieved are consistent with this specification. The same or similar embodiments shall be included in the protection scope of the embodiments of this specification.
  • the positioning slots 18 can be opened inside the first side frame 11 and the second side frame 12 and distributed at vertical intervals.
  • the first heddle 15 and the second heddle 16 can be inserted according to the actual situation.
  • the distance between the first heddle 15 and the second heddle 16 can be flexibly adjusted, and the heddle 17 is suspended between the first heddle 15 and the second heddle 16 , thereby making it easier to adjust the position of the warp threaded in the heald 17 in the up and down direction to adapt to different textile needs.
  • the mover unit can be disposed at any one or more locations among the first side frame 11 , the second side frame 12 , the upper frame 13 , and the lower frame 14 .
  • the mover unit when there is one mover unit, as shown in FIGS. 4 and 5 , can be arranged on the first side frame 11 , the second side frame 12 , the upper frame 13 , and the lower frame 14 anywhere in. In one implementation, it can be set at the midpoint of the upper frame or the lower frame. Of course, it can also be set at any other position of the frame. The specific selection can be based on the actual situation, and the embodiments of this specification are not limited to this.
  • the linear motion mechanism composed of the mover unit and the stator unit 21 can be In the driving form of the left and right layout, the mover unit is arranged at the first side frame 11 and the second side frame 12, and the stator module 2 is also arranged corresponding to the mover unit. In one embodiment, the mover unit may be arranged in left-right symmetry.
  • a driving form with an upper and lower layout can also be adopted, that is, the mover unit is disposed at the upper frame 13 and the lower frame 14 , and the stator module 2 is also disposed corresponding to the mover unit.
  • the driving form of layout on the left and right sides or the layout on the upper and lower sides the number of mover units and stator units 21 on either side can be set as needed.
  • a driving method with a mixed layout of left and right sides and upper and lower sides can also be used, that is, the mover unit is simultaneously provided at the first side frame 11 and/or the second side frame 12, the upper frame 13, and/or the lower frame 14.
  • the stator module 2 is also configured corresponding to the mover unit.
  • the specific layout method can be flexibly set according to the equipment structure, textile requirements, etc. during actual application, and will not be listed here.
  • the number of stator modules 2 can be the same as the number of mover units in each heald frame 1, and any one or more stator modules 2 have a Stator unit 21.
  • the stator module 2 is also set to three correspondingly.
  • the first stator module 2 is located at the mover unit of the first side frame 11 of the five heald frames 1
  • the second stator module 2 is located at the second side frame 12 of the five heald frames 1.
  • the third stator module 2 is located at the mover unit of the upper frame 13 of the five heald frames 1.
  • the stator unit 21 in the stator module 2 may have an integrated structure as shown in Figure 11 .
  • at least one stator module 2 has an integrated structure as shown in Figure 11 Stator unit 21.
  • the stator unit 21 may be provided with a plurality of fitting parts for sliding fit in one-to-one correspondence with the mover unit, and the number of fitting parts is the same as the number of heald frames 1 . For example, when the number of heald frames 1 is 5, as shown in FIG. 11 , 5 slide grooves can be opened in the stator unit 21 .
  • the number of stator modules 2 is the same as the number of mover units in each heald frame 1, and any one or more stator modules
  • the number of stator units 21 in 2 is equal to the number of heald frames 1.
  • the stator module 2 is also set to three correspondingly.
  • the first stator module 2 is located at the mover unit of the first side frame 11 of the five heald frames 1
  • the second stator module 2 is located at the second side frame 12 of the five heald frames 1.
  • the third stator module 2 is located at the mover unit of the upper frame 13 of the five heald frames 1.
  • each stator unit 21 is provided with a fitting portion for sliding fit with the mover unit in one-to-one correspondence.
  • five fitting portions are respectively provided in the five stator units 21 . chute.
  • stator modules 2 in the opening mechanism can all adopt an integrated structure as shown in Figure 11, or they can all adopt a discrete structure as shown in Figure 12, or they can all adopt an integrated structure as shown in Figure 11
  • the specific form of the combination of the structure and the discrete structure shown in Figure 12 can be determined according to the actual situation, and is not limited in the embodiments of this specification.
  • one of the mover unit and the stator unit 21 has a first flat plate part, and the other one has a first flat plate part. having a second flat plate portion slidingly fitted on one side of the first flat plate portion;
  • one of the mover unit and the stator unit 21 has a third flat plate part and a fourth flat plate part, and the other has a flat plate part that is slidably fitted between the third flat plate part and the fourth flat plate part.
  • one of the mover unit and the stator unit 21 has a first chute part, and the other has a first slider part that is slidably fitted on the first chute part;
  • one of the mover unit and the stator unit 21 has a first cylindrical part, and the other has a first core part that is slidably fitted in the first cylindrical part.
  • This embodiment shows various cooperation modes between the mover unit and the stator unit 21.
  • the cooperation mode between the mover unit and the stator unit 21 can be selected according to the equipment structure and textile requirements.
  • the arrangement of the coil windings and the magnetic parts 3 is also adjusted accordingly according to the different cooperation methods, which will not be described again here.
  • An embodiment of the present application also provides a loom, which includes the opening mechanism in any of the above embodiments.
  • the loom may include a let-off mechanism, a weft insertion mechanism, a beat-up mechanism, a take-up mechanism and the shedding mechanism in the above embodiment, wherein the let-off mechanism, weft insertion mechanism, beat-up mechanism, take-up mechanism
  • the let-off mechanism, weft insertion mechanism, beat-up mechanism, take-up mechanism The specific structure and principle of the mechanism can be found in existing looms.
  • one of the mover unit and the stator unit 21 is provided with a coil winding, and the other is provided with a magnetic component 3 corresponding to the coil winding.
  • the loom also includes a drive control unit, which is connected to the coil winding. connect;
  • the drive control unit is used to transmit control signals to the coil windings to drive each heald frame 1 to reciprocate linearly in the vertical direction relative to the stator unit 21 .
  • the drive control unit can include a drive circuit, one end of the drive circuit is electrically connected to the coil winding, and the other end can be electrically connected to a terminal device (such as a mobile device, computer, console, etc.). In this way, the user can control the terminal device to control the coil winding.
  • a driving electrical signal is input to generate an electromagnetic effect, thereby controlling each heald frame 1 to reciprocate linearly in the vertical direction relative to the stator unit 21 .
  • the number of drive control units may be one;
  • the number of drive control units may be the same as the number of mover units in each heald frame 1;
  • the number of drive control units may be the same as the number of heald frames 1;
  • the number of drive control units may be equal to the product of the number of heald frames 1 and the number of mover units in each heald frame 1 .
  • the number of drive control units can be one (as shown in Figure 13), two (the same as the number of mover units in each heald frame 1, as shown in Figure 14), five (the same as the number of heald frame 1, as shown in Figure 15) or Ten (the product of the number of heald frames 1 and the number of mover units in each heald frame 1, as shown in Figure 16).
  • Several drive control units can be uniformly controlled through a main control layer. During the specific implementation process, the number of drive control units can be set according to the device performance, which is not limited in the embodiments of this specification.

Abstract

Mécanisme d'ouverture et métier à tisser. Le mécanisme d'ouverture comprend de multiples cadres de lisses (1) et au moins un module de stator (2) ; le module de stator (2) est relié au cadre de tissage (5), et le module de stator (2) est pourvu d'au moins une unité de stator (21) ; chaque cadre de lisse (1) est intégré à au moins une unité de déplacement, et l'unité de déplacement est ajustée de manière coulissante dans l'unité de stator (21) ; et chaque cadre de lisse (1) est utilisé pour effectuer un mouvement de va-et-vient linéaire par rapport à l'unité de stator (21) dans la direction verticale sous l'action de l'effet électromagnétique de l'unité de déplacement et de l'unité de stator (21). Le mécanisme d'ouverture et le métier à tisser présentent des structures simples, diminuant efficacement la charge de l'arbre principal, et réduisant les vibrations et le bruit pendant le fonctionnement du métier à tisser.
PCT/CN2023/098426 2022-06-09 2023-06-05 Mécanisme d'ouverture et métier à tisser WO2023236917A1 (fr)

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Application Number Priority Date Filing Date Title
CN202210650938.2A CN114855330A (zh) 2022-06-09 2022-06-09 开口机构及织机
CN202210650938.2 2022-06-09

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WO2023236917A1 true WO2023236917A1 (fr) 2023-12-14

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CN114855330A (zh) * 2022-06-09 2022-08-05 深圳市汇川技术股份有限公司 开口机构及织机

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JPH10298842A (ja) * 1997-04-21 1998-11-10 Toyota Autom Loom Works Ltd 織機の経糸開口装置
JP2000004574A (ja) * 1998-06-12 2000-01-07 Toyota Autom Loom Works Ltd リニアモータ
US20020124901A1 (en) * 2001-03-07 2002-09-12 Lindauer Dornier Gesellschaft Mbh Drive mechanism for shed forming components of a loom
CN106868680A (zh) * 2017-04-07 2017-06-20 杨国惠 一种平衡综框静力、惯性力的开口机
CN108588952A (zh) * 2018-06-27 2018-09-28 德瑞精工（深圳）有限公司 一种集成电机、开口机构及纺织机
CN212000072U (zh) * 2020-01-10 2020-11-24 西安工程大学 一种织机的开口机构
CN112176492A (zh) * 2020-09-29 2021-01-05 际华三五四二纺织有限公司 一种织布机用的综框
CN114855330A (zh) * 2022-06-09 2022-08-05 深圳市汇川技术股份有限公司 开口机构及织机
CN218910671U (zh) * 2022-06-09 2023-04-25 苏州汇川控制技术有限公司 开口机构及织机

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