CN114775146A - Variable-angle braiding device of braiding machine - Google Patents

Variable-angle braiding device of braiding machine Download PDF

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Publication number
CN114775146A
CN114775146A CN202210478500.0A CN202210478500A CN114775146A CN 114775146 A CN114775146 A CN 114775146A CN 202210478500 A CN202210478500 A CN 202210478500A CN 114775146 A CN114775146 A CN 114775146A
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China
Prior art keywords
insertion device
weft insertion
rack
rotating mechanism
limiting
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CN202210478500.0A
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CN114775146B (en
Inventor
李水根
梁云虹
赵骞
林兆华
马愫倩
任雷
任露泉
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Jilin University
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Jilin University
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/24—Mechanisms for inserting shuttle in shed
    • D03D49/26—Picking mechanisms, e.g. for propelling gripper shuttles or dummy shuttles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Abstract

The invention discloses a variable-angle weaving device of a braiding machine, which relates to the technical field of textile machinery. The circular guide rail sliding seat is used for connecting the weft insertion device frame with the rotating mechanism, a sun gear in the planetary gear train is connected with an output shaft of the motor, the circular 3D printing piece is connected with the planetary gear train and the weft insertion device frame, the rotation of the motor is accurately controlled by using the angle sensor, the flying shuttle mechanism and the beating-up mechanism integrated on the weft insertion device frame are driven to rotate for setting angles, and at the moment, the limiting mechanism carries out secondary fixing on the rotated weft insertion device frame so as to increase the stability and realize the function of variable-angle weaving of fabrics.

Description

Variable-angle braiding device of braiding machine
Technical Field
The invention relates to the technical field of textile machinery, in particular to a variable-angle knitting device of a knitting machine.
Background
The fiber preform is an important reinforcing phase for preparing light and high-strength composite materials, is an important material basis for manufacturing complex flow-through curved surfaces of blades of aero-engines and the like, and requires a variable-angle structural form for the fiber preform due to complexity and diversity of application environments.
The braiding machine is a common device for braiding fiber prefabricated parts, and the braiding beating-up device is an important mechanism in the braiding machine, plays a key role in the braiding effect of the braiding machine, and completes the braiding and pressing processes of fabrics. Warp and weft of the woven fabric knitted by the existing weaving machine are mutually perpendicular (90 degrees) or form other fixed angles, and the structural form and application requirements of the fiber preform cannot be met. Therefore, it is necessary to design a variable-angle knitting device of a knitting machine to realize variable-angle knitting of a fabric, thereby solving the above problems.
Disclosure of Invention
The present invention is directed to solve the above problems in the prior art, and provides a variable angle knitting device for a knitting machine.
A variable-angle weaving device of a weaving machine comprises a weft insertion device rack, a flying shuttle mechanism and a beating-up mechanism, wherein the flying shuttle mechanism and the beating-up mechanism are integrated on the weft insertion device rack;
specifically, the rotating mechanism of the weft insertion device rack drives the shuttle flying mechanism and the beating-up mechanism to change angles through the weft insertion device rack, so that the variable-angle weaving of the fabric is realized;
the weft insertion device rack rotating mechanism comprises a rotating mechanism rack, a plurality of sliding seats, an annular guide rail, a planetary gear train, a circular 3D printing connecting piece, an angle sensor, a motor and a motor bracket, wherein the motor is fixedly arranged at the middle upper part of the rotating mechanism rack through the motor bracket, the annular guide rail is arranged at the top of the rotating mechanism rack, the plurality of sliding seats are arranged on the annular guide rail in a sliding manner, the plurality of sliding seats are uniformly distributed on the annular guide rail, the sliding seats are fixedly connected with the bottom of the weft insertion device rack, the planetary gear train comprises a sun gear, a plurality of planetary gears, a gear ring and a planetary carrier, the planetary carrier is fixedly arranged at the top of the rotating mechanism rack, the sun gear is connected with a motor spindle, the plurality of planetary gears are rotatably arranged on the planetary carrier, the plurality of planetary gears are distributed in a circle with the axis of the sun gear as the circle center, the plurality of planetary gears are respectively meshed with the sun gear, and the plurality of planetary gears are provided with the gear ring gear, the circular 3D printing connecting piece is fixedly connected with the bottom of the frame of the weft insertion device, and the angle sensor is arranged at the upper part of the center of the circular 3D printing connecting piece;
specifically, the motor rotates for a certain angle, and the shuttle flying mechanism and the beating-up mechanism on the frame of the weft insertion device are driven by the planetary gear train to rotate for a certain angle;
the rack rotating mechanism is also provided with a limiting mechanism, the limiting mechanism comprises a limiting pin, a limiting fixing piece and a miniature linear screw motor, the limiting fixing piece is installed on the rack rotating mechanism, the limiting fixing piece is symmetrically arranged on two sides of a gear ring, a certain gap is formed between the limiting fixing piece and the gear ring, the bottom of the limiting fixing piece and a planet carrier are installed on the same plane, the miniature linear screw motor is installed at the lower middle part of the rack of the rotating mechanism, the installation position of the miniature linear screw motor corresponds to the limiting fixing piece, the limiting pin is fixedly installed on an output shaft of the miniature linear screw motor, a plurality of trapezoidal grooves are uniformly formed in the outer edge of the gear ring according to integer angles, and the limiting pin can penetrate through the trapezoidal grooves in the limiting fixing piece to be clamped into the trapezoidal grooves in the outer edge of the gear ring so as to realize a limiting function;
specifically, by designing a limiting mechanism, the frame of the weft insertion device can be locked after rotation, the weaving stability is improved, and the accurate rotation of the angle is realized by installing an angle sensor;
the knitting machine weft insertion device rack and the rotating mechanism rack are both constructed by sectional materials.
The invention has the beneficial effects that:
this device is woven to braider variable angle through designing a simple structure, realizes the variable angle of fabric and weaves, solves the difficult problem that common braider can only weave fixed angle fabric on the market at present, for breaking through the restriction of structural style to high strength fibre preform combined material application scope, promotes the development and the application of fibre preform material and provides an effective new thinking.
Drawings
Fig. 1 is an isometric view of the weft insertion device of the present invention;
figure 2 is an isometric view of the rotary mechanism of the present invention;
FIG. 3 is a top view of the rotary mechanism of the present invention;
figure 4 is an isometric view of the interior of the rotary mechanism of the present invention;
FIG. 5 is a view of the locking and unlocking states of the spacing mechanism of the present invention;
fig. 6 is a side view of the rotary mechanism of the present invention;
figure 7 is a top view of a variable angle knitting apparatus of the present invention for different angles of the knitting machine.
In the figure: 1-a weft insertion device rack rotating mechanism, 101-a rotating mechanism rack, 102-a sliding seat, 103-an annular guide rail, 104-a limiting pin, 105-a limiting fixing part, 106-a planetary gear train, 1061-a sun gear, 1062-a planetary gear, 1063-a gear ring, 1064-a planetary carrier, 107-a circular 3D printing connecting piece, 108-an angle sensor, 109-a miniature linear screw motor, 110-a motor, 111-a motor bracket, 2-a weft insertion device rack, 3-a shuttle flying mechanism and 4-a beating-up mechanism
Detailed Description
Referring to fig. 1 and 7, an angle-variable knitting device of a knitting machine comprises a frame 2 of a weft insertion device, a shuttle mechanism 3 and a beating-up mechanism 4, wherein the shuttle mechanism 3 and the beating-up mechanism 4 are integrated on the frame 2 of the weft insertion device, and further comprises a frame rotating mechanism 1 of the weft insertion device, and the frame 2 of the weft insertion device is arranged on the frame rotating mechanism 1 of the weft insertion device;
specifically, the rotating mechanism 1 of the weft insertion device rack drives the shuttle flying mechanism 3 and the beating-up mechanism 4 to change angles through the weft insertion device rack 2, so that the variable-angle weaving of the fabric is realized;
the weft insertion device rack rotating mechanism 1 comprises a rotating mechanism rack 101, a plurality of sliding seats 102, an annular guide rail 103, a planetary gear train 106, a circular 3D printing connecting piece 107, an angle sensor 108, a motor 110 and a motor bracket 111, wherein the motor 110 is fixedly arranged at the middle upper part of the rotating mechanism rack 101 through the motor bracket 111, the annular guide rail 103 is arranged at the top part of the rotating mechanism rack 101, the plurality of sliding seats 102 are arranged on the annular guide rail 103 in a sliding way, the plurality of sliding seats 102 are uniformly distributed on the annular guide rail 103, the sliding seats 102 are fixedly connected with the bottom part of the weft insertion device rack 2, the planetary gear train 106 comprises a sun gear 1061, a plurality of planet gears 1062, a gear ring 1063 and a planet carrier 1064, the planet carrier 1064 is fixedly arranged at the top part of the rotating mechanism rack 101, the sun gear 1061 is connected with a main shaft of the motor 110, the plurality of planet gears 1062 are rotatably arranged on the planet carrier 1064, and the plurality of planet gears 1062 are distributed in a circle with the axis of the center of the sun gear 1061, the plurality of planet wheels 1062 are respectively meshed with the sun wheel 1061, the plurality of planet wheels 1062 are provided with a gear ring 1063, the gear ring 1063 is respectively meshed with the plurality of planet wheels 1062, the diameter of the gear ring 1063 is smaller than that of the annular guide rail 103, a circular 3D printing connecting piece 107 is fixedly arranged on the gear ring 1063, the circular 3D printing connecting piece 107 is fixedly connected with the bottom of the weft insertion device rack 2, and the angle sensor 108 is arranged at the upper part of the center of the circular 3D printing connecting piece 107;
specifically, the motor 1110 rotates by a certain angle, and the shuttle mechanism 3 and the beating-up mechanism 4 on the frame 2 of the weft insertion device are driven by the planetary gear train 106 to rotate by a certain angle;
the rack rotating mechanism 1 is also provided with a limiting mechanism, the limiting mechanism comprises a limiting pin 104, a limiting fixing piece 105 and a micro linear screw motor 109, the limiting fixing piece 105 is arranged on the rack rotating mechanism 1, the limiting fixing pieces 105 are symmetrically arranged on two sides of a gear ring 1063, a certain gap is formed between the limiting fixing piece 105 and the gear ring 1063, the bottom of the limiting fixing piece 105 and a planet carrier 1064 are installed on the same plane, the micro linear screw motor 109 is arranged at the lower middle part of the rotating mechanism rack 101, the installation position of the micro linear screw motor 109 corresponds to the limiting fixing piece 105, the limiting pin 104 is fixedly arranged on an output shaft of the micro linear screw motor 109, a plurality of trapezoidal grooves are uniformly formed in the outer edge of the gear ring 1063 according to an integer angle, and the limiting pin 104 can penetrate through the trapezoidal groove in the limiting fixing piece 105 and be clamped into the trapezoidal groove in the outer edge of the gear ring 1063, so that a limiting function is realized;
specifically, by designing a limiting mechanism, the frame of the weft insertion device can be locked after rotation, the weaving stability is improved, and the accurate rotation of the angle is realized by mounting an angle sensor;
the knitting machine weft insertion device rack 2 and the rotating mechanism rack 101 are both constructed by sectional materials.
The working principle and the process of the invention are as follows:
referring to fig. 1 and 2, in use, the angle sensor 108 monitors the rotation angle of the weft insertion device frame 2 in real time, when the rotation angle is detected, the output shaft of the motor 110 drives the sun gear 1061 in the planetary gear train 106 to rotate, and further drives the weft insertion device frame 2 to rotate, when the angle sensor 108 detects that the weft insertion device frame 2 has rotated to a set angle, a signal is returned to the controller, the motor 110 is controlled to stop rotating, meanwhile, the micro linear screw motor 109 in the limiting mechanism ejects the limiting pin 104 upwards, and the limiting pin penetrates through the trapezoidal groove in the limiting fixing piece 105 and the trapezoidal groove on the outer edge of the gear ring 1063, so that the limiting function is realized, the stability of the rotating mechanism 1 is improved, and thus, the process of changing the angle of the knitting machine is completed, and the controller controls the shuttle flying mechanism and the beating-up mechanism to complete the variable-angle knitting.
When the knitting machine needs to change the angle again for knitting, the controller controls the miniature linear screw motor 109 in the limiting mechanism to contract the limiting pin 104 downwards, the miniature linear screw motor is separated from the trapezoidal groove on the outer edge of the gear ring 1063, namely, the limiting function is unlocked, and the next round of angle change is started.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and it is intended that all such modifications, alterations, substitutions and alterations be implemented as follows in the design of the above-described embodiments without departing from the spirit and scope of the invention.

Claims (3)

1. The utility model provides a device is woven to braider variable angle, includes weft insertion device frame (2), flying shuttle mechanism (3) and beat-up mechanism (4), and flying shuttle mechanism (3) and beat-up mechanism (4) integration are on weft insertion device frame (2), its characterized in that: the weft insertion device is characterized by further comprising a weft insertion device rack rotating mechanism (1), wherein the weft insertion device rack (2) is arranged on the weft insertion device rack rotating mechanism (1);
the weft insertion device rack rotating mechanism (1) comprises a rotating mechanism rack (101), a plurality of sliding seats (102), an annular guide rail (103), a planetary gear train (106), a circular 3D printing connecting piece (107), an angle sensor (108), a motor (110) and a motor support (111), wherein the motor (110) is fixedly arranged at the middle upper part of the rotating mechanism rack (101) through the motor support (111), the annular guide rail (103) is arranged at the top part of the rotating mechanism rack (101), the plurality of sliding seats (102) are arranged on the annular guide rail (103) in a sliding manner, the plurality of sliding seats (102) are uniformly distributed on the annular guide rail (103), the sliding seats (102) are fixedly connected with the bottom part of the weft insertion device rack (2), the planetary gear train (106) comprises a sun wheel (1061), a plurality of planet wheels (1062), a gear ring (1063) and a planet carrier (1064), and the planet carrier (1064) is fixedly arranged at the top part of the rotating mechanism rack (101), the sun gear (1061) is connected with a spindle of the motor (110), the plurality of planet gears (1062) are rotatably arranged on the planet carrier (1064), the plurality of planet gears (1062) are distributed in a circle with the axis of the sun gear (1061) as the center of circle, the plurality of planet gears (1062) are respectively meshed with the sun gear (1061), the plurality of planet gears (1062) are provided with a gear ring (1063), the gear ring (1063) is respectively meshed with the plurality of planet gears (1062), the diameter of the gear ring (1063) is smaller than that of the annular guide rail (103), the gear ring (1063) is fixedly provided with a circular 3D printing connecting piece (107), the circular 3D printing connecting piece (107) is fixedly connected with the bottom of the weft insertion device rack (2), and the angle sensor (108) is arranged on the upper part of the center of the circular 3D printing connecting piece (107).
2. The variable angle knitting machine as claimed in claim 1, wherein: the rack rotating mechanism (1) is also provided with a limiting mechanism, the limiting mechanism comprises a limiting pin (104), a limiting fixing piece (105) and a micro linear screw motor (109), the limiting fixing piece (105) is installed on the rack rotating mechanism (1), the limiting fixing piece (105) is symmetrically arranged on two sides of a gear ring (1063), a certain gap is formed between the limiting fixing piece (105) and the gear ring (1063), the bottom of the limiting fixing piece (105) and a planet carrier (1064) are installed on the same plane, the micro linear screw motor (109) is installed at the lower middle part of the rack (101) of the rotating mechanism, the installation position of the micro linear screw motor (109) corresponds to the limiting fixing piece (105), the limiting pin (104) is fixedly installed on the output shaft of the micro linear screw motor (109), and a plurality of trapezoidal grooves are uniformly formed in the outer edge of the gear ring (1063) according to integer angles, the limiting pin (104) can penetrate through the trapezoidal groove in the limiting fixing piece (105) and be clamped into the trapezoidal groove on the outer edge of the gear ring (1063), and the limiting function is achieved.
3. The variable angle knitting machine as claimed in claim 2, wherein: the knitting machine weft insertion device rack (2) and the rotating mechanism rack (101) are both constructed by sectional materials.
CN202210478500.0A 2022-05-05 2022-05-05 Variable-angle braiding device of braiding machine Active CN114775146B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117512857A (en) * 2024-01-05 2024-02-06 吉林大学 Full-automatic bionic ligament braiding machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010055362A1 (en) * 2000-06-22 2001-12-27 Tetsuyuki Takanashi X-ray CT apparatus
US20140224102A1 (en) * 2011-09-06 2014-08-14 Maschinenfabrik Niehoff Gmbh & Co. Kg Rotary braiding machine
CN104005156A (en) * 2014-06-11 2014-08-27 聊城由甲纺织机械有限公司 Rapier loom special for wide fabric
US20160083876A1 (en) * 2013-05-08 2016-03-24 Mehler Engineered Products Gmbh Device for producing a fabric and fabric
CN109518340A (en) * 2019-01-11 2019-03-26 深圳市奔雷材料制品有限公司 A kind of fiber multi-angle braiding composite felt and its manufacturing method and manufacturing device
CN114351332A (en) * 2022-01-14 2022-04-15 吉林大学 Connecting device capable of quickly replacing beating-up plate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010055362A1 (en) * 2000-06-22 2001-12-27 Tetsuyuki Takanashi X-ray CT apparatus
US20140224102A1 (en) * 2011-09-06 2014-08-14 Maschinenfabrik Niehoff Gmbh & Co. Kg Rotary braiding machine
US20160083876A1 (en) * 2013-05-08 2016-03-24 Mehler Engineered Products Gmbh Device for producing a fabric and fabric
CN104005156A (en) * 2014-06-11 2014-08-27 聊城由甲纺织机械有限公司 Rapier loom special for wide fabric
CN109518340A (en) * 2019-01-11 2019-03-26 深圳市奔雷材料制品有限公司 A kind of fiber multi-angle braiding composite felt and its manufacturing method and manufacturing device
CN114351332A (en) * 2022-01-14 2022-04-15 吉林大学 Connecting device capable of quickly replacing beating-up plate

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* Cited by examiner, † Cited by third party
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117512857A (en) * 2024-01-05 2024-02-06 吉林大学 Full-automatic bionic ligament braiding machine
CN117512857B (en) * 2024-01-05 2024-03-26 吉林大学 Full-automatic bionic ligament braiding machine

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