CN112522840B - Weft selecting device - Google Patents
Weft selecting device Download PDFInfo
- Publication number
- CN112522840B CN112522840B CN202011354301.6A CN202011354301A CN112522840B CN 112522840 B CN112522840 B CN 112522840B CN 202011354301 A CN202011354301 A CN 202011354301A CN 112522840 B CN112522840 B CN 112522840B
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- China
- Prior art keywords
- sliding
- weft
- driving
- weft yarn
- selection device
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- 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.)
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
- D03D47/361—Drum-type weft feeding devices
- D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
- D03D47/363—Construction or control of the yarn retaining devices
Abstract
The invention relates to the technical field of textile machinery, in particular to a weft selecting device, which comprises: a plurality of groups of weft yarn clamping structures which are sequentially arranged in parallel are arranged on a sliding structure; the bracket is provided with a supporting part and a sliding part, and the sliding structure is arranged on the sliding part; the first driving structure is arranged on the supporting part, and the output end of the first driving structure is connected with the sliding structure so as to provide a first driving force for the sliding structure to linearly slide along the sliding part. The invention provides a weft selecting device which is difficult to bend and break and has high reliability when weft yarns with different numbers are replaced.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a weft selecting device.
Background
The prefabricated body is woven, manufactured and formed to be a novel weaving technology, yarn bundles are distributed in a three-dimensional space along two mutually vertical directions of a warp direction and a weft direction and are mutually interwoven to form an integral structure, a composite material member made of the prefabricated body serving as a reinforcement has the advantages of light weight, high strength, excellent mechanical property and the like, is widely applied to various fields such as aerospace, national defense and military industry, transportation, energy and the like at present, and is continuously expanded to the civil field. In the manufacturing process, the warp-wise yarn bundle is led out from a warp-wise creel, penetrates through a heddle eye of a heddle connected with a harness cord according to a certain rule, penetrates through a reed and is clamped by a clamp; the jacquard shedding device controls the lifting of the heddle eyes to enable warp yarn bundles to form a plurality of sheds; the weft insertion arrow rod guides the weft yarn through the shed; after weft insertion, the reed pushes the weft yarns to a cloth fell; the pulling mechanism draws the formed preform out, forming a manufacturing cycle. When a high-thickness three-dimensional weaving preform is manufactured in a forming mode, the number of introduced weft yarn bundles can be changed along with the different thicknesses of fabrics in the weaving forming manufacturing process, the weft yarns with different numbers are formed by combining the same number of yarn lines with different numbers at present, and when the weft yarns with different numbers need to be replaced, as a plurality of groups of weft yarn clamping structures of the existing weft selecting device are arranged in a circumference mode, the weft yarns in the weft yarn clamping structures at different positions are led out from the yarn guide structures arranged at the same level and driven by the same motor located at the center of the circumference formed by the plurality of groups of weft yarn clamping structures, the corresponding weft yarn clamping structures need to be adjusted to the positions convenient to operate through rotation. Like this at the rotatory in-process of woof clamping structure because lead yarn structure rigidity, the woof that consequently lies in between leading yarn structure and the woof clamping structure will be the state of relative horizontal plane slope, and multiunit woof clamping structure rotates along with it in step under the rotary drive effect of motor like this, and the woof of its centre gripping will receive the torsional force effect because of one end is fixed, the other end, arouses to buckle by a wide margin, even fracture, influences the efficiency of follow-up operation and the quality of final products.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that weft yarns are easy to bend and break when weft yarns with different numbers are replaced by a weft selecting device in the prior art, the reliability of the device is poor, and the subsequent operation efficiency is influenced, so that the weft selecting device with high reliability is provided, and weft yarns are difficult to bend and break when weft yarns with different numbers are replaced.
In order to solve the above technical problem, the present invention provides a weft selecting device, comprising:
a plurality of groups of weft yarn clamping structures which are sequentially arranged in parallel are arranged on a sliding structure;
the bracket is provided with a supporting part and a sliding part, and the sliding structure is arranged on the sliding part;
the first driving structure is arranged on the supporting part, and the output end of the first driving structure is connected with the sliding structure so as to provide a first driving force for the sliding structure to linearly slide along the sliding part.
Optionally, the sliding structure includes a fixing frame for mounting the weft yarn clamping structure and a sliding frame connected to the fixing frame, the fixing frame is provided with a first through space allowing the weft yarn clamping structure to penetrate through, and the sliding frame is provided with a second through space allowing the sliding portion to penetrate through.
Optionally, the extending directions of the first through space and the second through space are perpendicular to each other.
Optionally, the output end of the first driving structure is provided with a conversion structure, the conversion structure is connected with the sliding structure, and under the action of the first driving structure, the conversion structure converts the rotating force output by the first driving structure into a first driving force for driving the sliding structure to move linearly along the sliding part.
Optionally, the conversion structure includes a gear and a rack that are engaged with each other, the gear is connected to the output end of the first driving structure, and the rack is connected to the sliding structure.
Optionally, the first drive structure is a rotating electrical machine.
Optionally, the sliding portion of the bracket is a sliding rod fixed at one end of the supporting portion, which is far away from the first driving structure, and the sliding structure is sleeved on the sliding rod.
Optionally, the weft yarn clamping device further comprises a second driving structure connected with the bracket, and the second driving structure applies a second driving force to the bracket, wherein the second driving force is perpendicular to the sliding direction of the sliding structure and the conveying direction of the weft yarn clamping structure at the same time.
Optionally, the second driving structure includes a first plate connected to the bracket, a second plate slidably connected to the first plate, and a ball screw and a driving motor for driving the first plate to slide relative to the second plate.
Optionally, the weft yarn clamping structure comprises a clamping part and a cylinder connected with the clamping part.
The technical scheme of the invention has the following advantages:
1. according to the weft selecting device provided by the invention, the plurality of groups of weft yarn clamping structures are in linear sliding connection with the sliding part of the bracket through the sliding structure, so that under the driving action of the first driving structure, the plurality of groups of weft yarn clamping structures synchronously and linearly move, when weft yarns with different numbers need to be replaced, only the weft yarn clamping structures need to be linearly slid to the position corresponding to the weft insertion clamping device through the sliding structure, and compared with the rotating motion, the linear sliding amplitude is smaller, namely smaller swinging is generated on the same horizontal plane, so that even if one end of the weft yarn is fixed, the other end only generates relative small-range translation, the weft yarn bending and even breaking phenomena caused by the movement of the weft yarn clamping structures are effectively reduced, and the running reliability and the working efficiency of the device and the quality of a final product are improved.
2. According to the weft selecting device provided by the invention, the arrangement of the output end conversion structure of the first driving structure can convert the rotary motion of the first driving structure into the linear motion of the sliding structure, so that the occupied space of the first driving structure is reduced, the size of the whole device is reduced, and the rotary motion with relatively large motion amplitude is converted into the linear motion, thereby achieving the purpose of reducing the weft yarn bending probability.
3. The weft selecting device provided by the invention can drive a plurality of groups of weft yarn clamping structures to synchronously move up and down by arranging the second driving structure connected with the bracket so as to meet the requirement of the change of the cloth fell heights of different prefabricated bodies.
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 prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a weft selecting device provided by the present invention;
FIG. 2 is a schematic view of the sliding mechanism of FIG. 1;
fig. 3 is another angle view of fig. 1.
Description of the reference numerals:
1. a first drive structure; 2. a support portion; 3. a sliding part; 4. a clamping part; 5. a cylinder; 6. a fixed mount; 7. a carriage; 8. a first circular hole; 9. a square hole; 10. a second circular hole; 11. a gear; 12. a rack; 13. a first plate body; 14. a second plate body; 15. a ball screw; 16. the motor is driven.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
One embodiment of the weft selection device shown in fig. 1 to 3 comprises a support and a sliding structure and a first driving structure 1 arranged on the support.
The bracket is provided with a support part 2 and a sliding part 3, wherein the support part 2 comprises a pair of L-shaped plates arranged oppositely at intervals and a connecting plate arranged between the pair of L-shaped plates, and the sliding part 3 is arranged at the horizontal part of the L-shaped plates. Specifically, the sliding portion 3 of the bracket is a pair of sliding rods fixed at one end of the support portion 2 away from the first driving structure 1, and the pair of sliding rods are arranged in parallel.
The sliding structure is sleeved on the sliding rod, and a plurality of groups of weft yarn clamping structures are sequentially arranged on the sliding structure in parallel. The weft yarn clamping structure comprises a clamping part 4 and a cylinder 5 connected with the clamping part 4, and a pair of clamping jaws of the clamping part 4 are opened or closed to release or clamp corresponding weft yarns under the driving of the cylinder 5.
Specifically, the sliding structure comprises a fixing frame 6 for installing the weft yarn clamping structure and a sliding frame 7 connected with the fixing frame 6, the fixing frame 6 is arranged on the upper portion, the sliding frame 7 is arranged on the lower portion, and the fixing frame 6 and the sliding frame are integrally formed. The fixed frame 6 is provided with a first through space allowing the weft yarn clamping structure to penetrate through, the sliding frame 7 is provided with a second through space allowing the sliding part 3 to penetrate through, and the extending directions of the first through space and the second through space are perpendicular to each other. As shown in fig. 2, a plurality of first round holes 8 and square holes 9 are formed on two opposite side walls of the fixing frame 6, the first round holes 8 are adapted to the size of the cylinder 5, the square holes 9 are adapted to the size of the clamping portion 4, and a first through space is formed between the first round holes 8 and the square holes 9. The sliding frame 7 is a plurality of vertical plates arranged at intervals, second round holes 10 correspondingly arranged are formed in the vertical plates, second through spaces are formed among the second round holes 10, and the sliding rod penetrates through the second round holes 10 in sequence and then is fixed with the L-shaped plate.
First drive structure 1 is located on the connecting plate of supporting part 2, and the output with sliding structure connects, in order to provide sliding structure follows the linear gliding first drive power of sliding part 3, first drive structure 1 is rotating electrical machines. The output of first drive structure 1 is equipped with a transform structure, transform structure with sliding construction connects under first drive structure 1's effect, transform structure will the revolving force of first drive structure 1 output converts the drive sliding construction is followed 3 linear motion's of sliding part first drive power. Specifically, the conversion structure comprises a gear 11 and a rack 12 which are meshed with each other, the gear 11 is connected with the output end of the first driving structure 1, and the rack 12 is connected with the fixed frame 6 of the sliding structure.
In order to facilitate driving the multiple groups of weft yarn clamping structures to synchronously move up and down, a second driving structure is connected below the bracket, and the second driving structure applies a second driving force which is simultaneously vertical to the sliding direction of the sliding structure and the conveying direction of the weft yarn clamping structures to the bracket.
Specifically, the second driving structure includes a first plate 13 connected to the bracket, a second plate 14 slidably connected to the first plate 13, and a ball screw 15 and a driving motor 16 for driving the first plate 13 to slide relative to the second plate 14. The upper end of the first plate body 13 is fixed with a connecting plate of the support through a bolt, the second plate body 14 is of a frame structure, a pair of slide rails is arranged at positions, corresponding to the first plate body 13, of two sides, a slide block is arranged on each slide rail and fixed with the first plate body 13, a ball screw 15 and a driving motor 16 are installed in the center of the second plate body 14, a nut of the ball screw 15 is fixed with the first plate body 13, and the driving motor 16 is fixed on the second plate body 14, so that the first plate body 13 is driven by the ball screw 15 to drive the support to reciprocate up and down.
When the horizontal position of the weft yarn clamping structure needs to be adjusted, only the rotating motor needs to be driven to drive the gear 11 to rotate, the rotation of the gear 11 is converted into horizontal movement of the rack 12 through meshing, and the rack 12 can drive the weft yarn clamping structure to synchronously move to a preset position along the sliding rod through the sliding structure. When the vertical position of the weft yarn clamping structure needs to be adjusted, the driving motor 16 is only needed to drive the ball screw 15 to drive the first plate body 13 to move.
As an alternative embodiment, the first driving structure 1 may also be a cylinder or a hydraulic cylinder, a piston of the cylinder or the hydraulic cylinder has a movement direction consistent with a movement direction of the sliding structure, and the piston is directly connected with the sliding structure to drive the sliding structure to perform reciprocating linear motion.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A weft selection device, characterized by comprising:
a plurality of groups of weft yarn clamping structures which are sequentially arranged in parallel are arranged on a sliding structure;
the support is provided with a support part (2) and a sliding part (3), and the sliding structure is arranged on the sliding part (3);
the first driving structure (1) is arranged on the supporting part (2), and the output end of the first driving structure is connected with the sliding structure so as to provide a first driving force for the sliding structure to linearly slide along the sliding part (3);
the second driving structure is connected with the bracket and applies a second driving force to the bracket, wherein the second driving force is perpendicular to the sliding direction of the sliding structure and the conveying direction of the weft yarn clamping structure; the sliding structure comprises a fixed frame (6) used for installing the weft yarn clamping structure and a sliding frame (7) connected with the fixed frame (6), a first through space allowing the weft yarn clamping structure to penetrate through is arranged on the fixed frame (6), and a second through space allowing the sliding part (3) to penetrate through is arranged on the sliding frame (7); the first through space and the second through space extend in directions perpendicular to each other.
2. Weft selection device according to claim 1, characterized in that the output of the first drive arrangement (1) is provided with a conversion arrangement, which is connected to the sliding arrangement and which, under the action of the first drive arrangement (1), converts the rotational force output by the first drive arrangement (1) into a first driving force that drives the sliding arrangement to move linearly along the sliding section (3).
3. Weft selection device according to claim 2, characterized in that the transformation structure comprises a gear wheel (11) and a toothed rack (12) connected in mesh with each other, the gear wheel (11) being connected with the output of the first drive structure (1) and the toothed rack (12) being connected with the sliding structure.
4. Weft selection device according to claim 3, characterized in that the first drive structure (1) is a rotating electric machine.
5. Weft selection device according to any one of claims 1-4, characterized in that the sliding part (3) of the bracket is a sliding bar fixed to the end of the support part (2) remote from the first driving structure (1), on which the sliding structure is fitted.
6. Weft selection device according to claim 1, characterized in that said second driving structure comprises a first plate (13) connected to said support, a second plate (14) slidingly connected to said first plate (13), a ball screw (15) and a driving motor (16) to drive said first plate (13) to slide with respect to said second plate (14).
7. Weft selection device according to any one of claims 1-4, characterized in that the weft yarn gripping structure comprises a gripping part (4) and a cylinder (5) connected to the gripping part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354301.6A CN112522840B (en) | 2020-11-26 | 2020-11-26 | Weft selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354301.6A CN112522840B (en) | 2020-11-26 | 2020-11-26 | Weft selecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112522840A CN112522840A (en) | 2021-03-19 |
| CN112522840B true CN112522840B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011354301.6A Active CN112522840B (en) | 2020-11-26 | 2020-11-26 | Weft selecting device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035053A (en) * | 2017-12-11 | 2018-05-15 | 中材科技股份有限公司 | A kind of Weft inserting device and Weft insertion method of multi-layer braided precast body |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201826109U (en) * | 2010-09-15 | 2011-05-11 | 诸暨鑫犇机械有限公司 | Color selector for rapier loom |
| CN202786642U (en) * | 2012-06-25 | 2013-03-13 | 杭州碧雅布业有限公司 | Weft selector |
| CN105274712A (en) * | 2015-10-28 | 2016-01-27 | 必佳乐（苏州工业园区）纺织机械有限公司 | Rapier loom weft yarn selecting device |
| CN105819274A (en) * | 2016-05-19 | 2016-08-03 | 苏州舒而适纺织新材料科技有限公司 | Yarn correction device for spinning |
| CN107244590A (en) * | 2017-07-27 | 2017-10-13 | 南通博旭时装有限公司 | A kind of weaving feeder seat |
| CN107740221A (en) * | 2017-11-14 | 2018-02-27 | 无锡市鼎麒新材料科技有限公司 | A kind of weft selecting mechanism of big tow |
| CN109162006B (en) * | 2018-08-28 | 2020-06-12 | 南京玻璃纤维研究设计院有限公司 | Weft insertion mechanism suitable for plane high-thickness fabric |
| DE102018215395B3 (en) * | 2018-09-11 | 2019-08-22 | Lindauer Dornier Gesellschaft Mit Beschränkter Haftung | WEAVING MACHINE WITH A FOOTWEAR CHAIN |
| CN211194506U (en) * | 2019-12-07 | 2020-08-07 | 秦杰 | Ceramic tile cutting device for construction |
| CN212000118U (en) * | 2020-03-16 | 2020-11-24 | 诸暨市鸿沄针纺有限公司 | Knitting machine is with stabilizing trapping mechanism |
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2020
- 2020-11-26 CN CN202011354301.6A patent/CN112522840B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035053A (en) * | 2017-12-11 | 2018-05-15 | 中材科技股份有限公司 | A kind of Weft inserting device and Weft insertion method of multi-layer braided precast body |
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| CN112522840A (en) | 2021-03-19 |
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