CN110396763B - Yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving - Google Patents
Yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving Download PDFInfo
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- CN110396763B CN110396763B CN201910618602.6A CN201910618602A CN110396763B CN 110396763 B CN110396763 B CN 110396763B CN 201910618602 A CN201910618602 A CN 201910618602A CN 110396763 B CN110396763 B CN 110396763B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
- D04C3/48—Auxiliary devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to a yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving, which comprises the following steps: the upper computer sends the signal to the signal control circuit after receiving the yarn reducing signal. The signal control circuit controls the vertical cylinder to lift the annular track; and controlling the radial cylinder to enable the top end of the radial cylinder to penetrate through a small hole below the annular track to push the spindle shaft sliding block on the outer side of the annular track; and after the signal control circuit receives the yarn increasing signal, the signal control circuit controls the radial cylinder to reset, the radial cylinder exits from the small hole of the annular track, and then the vertical cylinder is controlled to reset, so that the yarn increasing step is completed. The invention realizes the independent control of the lifting of each annular track, completes the step of automatically increasing and decreasing the folded yarn, and improves the working efficiency of the four-step knitting machine.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a yarn increasing and decreasing method applied to three-dimensional annular four-step method knitting, which is applied to an annular track four-step method knitting machine and belongs to the technical field of fabric reinforced composite materials.
[ background of the invention ]
The four-step method braiding machine can weave a three-dimensional braided reinforcement through the reciprocating motion of the spindle shaft in the plane, has quasi-isotropic high-performance tow distribution and mechanical properties, can be used for manufacturing various braided composite material lightweight components, and is widely applied to the fields of national defense, aerospace, ocean engineering and the like.
With the increasing use of composite material members, an increasing number of application scenarios require that the woven member have a complex structural shape, for example, the member cross section is changed from an original simple equal size to a variable size. Since the basic size of the knitting elements is determined by the number of yarns involved in knitting and the number of yarns per strand, the manufacture of variable cross-section knitting elements requires intervention on the spindle yarns. At present, the number of single yarn is reduced by a manual mode for manufacturing the variable cross-section component, and the number of the yarns participating in the typical braided composite material reinforcement is very large, usually tens of thousands of yarns, so that the processing efficiency is very low, the manufacturing efficiency and the industrial popularization of the braided composite material component are seriously influenced, and in addition, the processing quality is unstable due to the fact that a great amount of labor is relied on.
The four-step method knitting machine is divided into an orthogonal shape and a ring shape according to the requirements of components, and both comprise a row spindle and a column spindle. Wherein the spindle in the orthogonal knitting machine changes direction after contacting the row-column boundary, and is generally used for processing solid knitted fabrics; the axial spindle of the annular knitting machine is along the diameter direction, and the axial spindle is along the circumference direction, and the annular knitting machine is often used for processing wall tube knitted fabrics.
Therefore, in order to solve the above problems, it is necessary to provide an innovative method for increasing and decreasing yarns for three-dimensional circular four-step knitting, so as to overcome the above-mentioned drawbacks in the prior art.
[ summary of the invention ]
In order to solve the above problems, an object of the present invention is to provide a yarn increasing and decreasing method applied to three-dimensional circular four-step knitting, which can automatically increase/decrease spindles involved in knitting.
In order to achieve the purpose, the invention adopts the technical scheme that: a yarn increasing and decreasing method applied to three-dimensional annular four-step weaving adopts a yarn increasing and decreasing device, and the device comprises a radial cylinder, a track sliding block, a connecting piece, a circumferential cylinder, a vertical cylinder, a loop track, a bottom plate and a circumferential cylinder base;
the yarn increasing and decreasing method specifically comprises the following process steps:
1) reading the yarn increasing and decreasing information of the upper computer, and transmitting the yarn increasing and decreasing information to the signal control circuit;
2) if yarn is required to be reduced, the signal control circuit controls the vertical cylinder to inflate according to information transmitted by the upper computer, and the annular track is lifted;
3) the signal control circuit controls the radial cylinder to be electrified and inflated, and the radial cylinder penetrates through the jack below the annular track and pushes the spindle shaft slide block on the next ring of annular track; finishing the yarn reducing process by the step;
4) if yarn increase is needed, firstly, the signal control circuit receives a yarn increase signal sent by an upper computer;
5) the signal control circuit controls the radial air cylinder to lose power, and the radial air cylinder finishes resetting and is sent to the jack in the annular track to exit;
6) and the signal control circuit controls the vertical cylinder to be reset when power is lost, and the lifted annular rail is reset to the initial position to finish the yarn increasing step.
The yarn increasing and decreasing method applied to the three-dimensional annular four-step method knitting further comprises the following steps: the track sliding block is arranged inside the annular track; the circumferential cylinder is arranged on a circumferential cylinder base and is connected with the track sliding block through a connecting piece; the bottom plate is connected with the annular track, and a circumferential cylinder base is arranged on the bottom plate; the vertical cylinder is arranged at the bottom of the bottom plate and can support the bottom plate; the radial cylinder is installed on the side of the annular track and can be abutted against the track sliding block.
The yarn increasing and decreasing method applied to the three-dimensional annular four-step method knitting further comprises the following steps: the track sliding block comprises a pulley, a spindle sliding block, a guide wheel and a yarn hook; the pulley is arranged on the rotating shaft below the track sliding block; the spindle slide blocks are arranged in gaps among the track slide blocks; the guide wheel is arranged in an interlayer in the middle of the track sliding block; the yarn hook is arranged on one side of the track sliding block and the spindle sliding block.
The yarn increasing and decreasing method applied to the three-dimensional annular four-step method knitting further comprises the following steps: an upright post is arranged below the track sliding block, and the connecting piece is connected with the upright post and the circumferential cylinder;
the yarn increasing and decreasing method applied to the three-dimensional annular four-step method knitting of the invention also comprises the following steps: the loop track is provided with jacks and guide grooves; the jacks are arranged below the annular track and correspond to the positions of the spindles; the guide groove is arranged on the central line of the annular track.
Compared with the prior art, the invention has the following beneficial effects:
1. the yarn increasing and decreasing method applied to three-dimensional annular four-step weaving realizes independent control over the lifting of each annular track, and completes the step of automatically increasing and decreasing folded yarns.
2. The yarn increasing and decreasing method applied to three-dimensional annular four-step knitting avoids the step of manually decreasing folded yarns in the yarn increasing and decreasing process, and improves the working efficiency of a four-step knitting machine.
[ description of the drawings ]
Fig. 1 is a perspective view of a yarn increasing/decreasing device for three-dimensional circular four-step knitting according to the present invention in a yarn decreasing state.
Fig. 2 is a perspective view of the track slider in fig. 1.
Fig. 3 is a partial perspective view of a single looped track of fig. 1.
[ detailed description ] embodiments
Referring to the attached drawings 1-3 in the specification, the invention relates to a yarn increasing and decreasing method applied to three-dimensional annular four-step weaving, which adopts a yarn increasing and decreasing device for three-dimensional annular four-step weaving, and the device comprises a radial cylinder 1, a track sliding block 2, a connecting piece 3, a circumferential cylinder 4, a vertical cylinder 5, a circular track 6, a bottom plate 7, a circumferential cylinder base 8 and the like,
The track sliding block 2 is arranged inside the annular track 1 and is connected end to fill the whole annular track 1. Each track block 2 comprises a pulley 9, a spindle block 10, a guide wheel 11 and a yarn hook 12. Wherein, the pulley 9 is arranged on a rotating shaft below the track sliding block 2 and can rotate in the annular track 1. The spindle slide blocks 10 are arranged in gaps between adjacent track slide blocks 2, the track slide blocks 2 are used for circumferential movement, the spindle slide blocks 10 are used for radial movement, and the spindle slide blocks and the track slide blocks are matched to complete weaving of yarns. The guide wheel 11 is arranged in the interlayer in the middle of the track sliding block 2. The yarn hook 12 is mounted on one side of the track block 2 and the spindle block 10.
The circumference cylinder 4 is arranged on a circumference cylinder base 8, is connected with the track sliding block 2 through a connecting piece 3 and can push the track sliding block 2. Specifically, an upright post is arranged below the track sliding block 2, and the connecting piece 3 is connected with the upright post and the circumferential cylinder;
the base plate 7 is connected with the annular rail 6, and a circumferential cylinder base 8 is mounted on the base plate 7. The vertical cylinder 5 is mounted at the bottom of the base plate 7 and can hold up the base plate 7. Each base plate 7 is connected with a vertical cylinder 5.
The radial cylinder 1 is arranged on the side of the annular track 6 and can be abutted against the track sliding block 2. The loop track 6 is provided with a jack 13 and a guide groove 14; the insertion holes 13 are arranged below the annular rail 6 and correspond to the position of each spindle; the guide groove 14 is provided at the center line position of the endless track 6.
The invention discloses a yarn increasing and decreasing method applied to three-dimensional annular four-step weaving, which comprises the following steps:
1) and the yarn increasing and decreasing information of the upper computer is read, and the yarn increasing and decreasing information is transmitted to the signal control circuit.
2) If yarn is reduced, the signal control circuit controls the vertical cylinder 5 to inflate according to information transmitted by the upper computer, and the annular track 6 is lifted. Wherein, the signal control circuit and the upper computer are all the constituent systems of the four-step knitting machine.
3) The signal control circuit controls the radial cylinder 1 to be electrified and inflated, and the radial cylinder passes through the jack 13 below the annular track 6 and pushes the spindle slide block 10 on the next ring of annular track 6; the yarn reducing process is completed by the step.
4) If yarn increase is needed, the signal control circuit receives a yarn increase signal sent by the upper computer.
5) And the signal control circuit controls the radial cylinder 1 to lose power, and the radial cylinder 1 finishes resetting and is sent to the jack 13 in the annular track 6 to exit.
6) And the signal control circuit controls the vertical cylinder 5 to be reset when power is lost, and the lifted annular rail is reset to the initial position to finish the yarn increasing step.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (5)
1. A yarn increasing and decreasing method applied to three-dimensional annular four-step weaving is characterized in that: the device comprises a radial cylinder, a track sliding block, a connecting piece, a circumferential cylinder, a vertical cylinder, a loop track, a bottom plate and a circumferential cylinder base;
the yarn increasing and decreasing method specifically comprises the following process steps:
1) reading the yarn increasing and decreasing information of the upper computer, and transmitting the yarn increasing and decreasing information to the signal control circuit;
2) if yarn is required to be reduced, the signal control circuit controls the vertical cylinder to inflate according to information transmitted by the upper computer, and the annular track is lifted;
3) the signal control circuit controls the radial cylinder to be electrified and inflated, and the radial cylinder penetrates through the jack below the annular track and pushes the spindle shaft slide block on the next ring of annular track; finishing the yarn reducing process by the step;
4) if yarn increase is needed, firstly, the signal control circuit receives a yarn increase signal sent by an upper computer;
5) the signal control circuit controls the radial air cylinder to lose power, and the radial air cylinder finishes resetting and exits from the jack in the annular track;
6) and the signal control circuit controls the vertical cylinder to be reset when power is lost, and the lifted annular rail is reset to the initial position to finish the yarn increasing step.
2. The method for increasing or decreasing yarns for three-dimensional annular four-step weaving according to claim 1, wherein: the track sliding block is arranged inside the annular track; the circumferential cylinder is arranged on a circumferential cylinder base and is connected with the track sliding block through a connecting piece; the bottom plate is connected with the annular track, and a circumferential cylinder base is arranged on the bottom plate; the vertical cylinder is arranged at the bottom of the bottom plate and can support the bottom plate; the radial cylinder is installed on the side of the annular track and can be abutted against the track sliding block.
3. The method for increasing or decreasing yarns for three-dimensional annular four-step weaving according to claim 2, wherein: the track sliding block comprises a pulley, a spindle sliding block, a guide wheel and a yarn hook; the pulley is arranged on the rotating shaft below the track sliding block; the spindle slide blocks are arranged in gaps among the track slide blocks; the guide wheel is arranged in an interlayer in the middle of the track sliding block; the yarn hook is arranged on one side of the track sliding block and the spindle sliding block.
4. The method for increasing or decreasing yarns for three-dimensional annular four-step weaving according to claim 2, wherein: an upright post is installed below the track sliding block, and the connecting piece is connected with the upright post and the circumferential cylinder.
5. The method for increasing or decreasing yarns for three-dimensional annular four-step weaving according to claim 2, wherein: the loop track is provided with jacks and guide grooves; the jacks are arranged below the annular track and correspond to the positions of the spindles; the guide groove is arranged on the central line of the annular track.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910618602.6A CN110396763B (en) | 2019-07-10 | 2019-07-10 | Yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving |
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| CN201910618602.6A CN110396763B (en) | 2019-07-10 | 2019-07-10 | Yarn increasing and decreasing method applied to three-dimensional annular four-step method weaving |
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| CN110396763A CN110396763A (en) | 2019-11-01 |
| CN110396763B true CN110396763B (en) | 2020-09-18 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0322821B1 (en) * | 1987-12-29 | 1991-11-21 | Toray Industries, Inc. | Method of and apparatus for weaving a three-dimensional article |
| US5337647A (en) * | 1992-03-13 | 1994-08-16 | The Boeing Company | 3 dimensional braiding apparatus |
| CN1651627A (en) * | 2005-02-23 | 2005-08-10 | 天津工业大学 | Three dimensional knitting method of variable cross section preshaped product and its product |
| TW201022497A (en) * | 2008-12-09 | 2010-06-16 | Chung Shan Inst Of Science | Braiding platform and three dimensional braider |
| CN204080349U (en) * | 2014-08-28 | 2015-01-07 | 西安工程大学 | A kind of realize increase and decrease yarn take yarn apparatus |
| CN204676258U (en) * | 2015-01-20 | 2015-09-30 | 西安工程大学 | A kind of controlled increase and decrease yarn for three dimensional knitting machine take yarn device |
| CN105200654A (en) * | 2015-08-21 | 2015-12-30 | 河南科技大学 | Knitting technology for three-dimensional knitting composite material and adopted knitter |
| CN106948079A (en) * | 2017-04-27 | 2017-07-14 | 西安工程大学 | It is a kind of automatically increase or decrease yarn take yarn device and its three dimensional knitting machine of application |
| CN107780042A (en) * | 2016-08-30 | 2018-03-09 | 中国纺织科学研究院 | 3 D weaving circular knitting machine chassis driving device based on four step rule |
| WO2018118785A1 (en) * | 2016-12-22 | 2018-06-28 | Fractal Braid, Inc. | Apparatus and methods for material manipulation |
| CN109914031A (en) * | 2019-03-11 | 2019-06-21 | 陕西元丰纺织技术研究有限公司 | The net shape Preparation Method of three-dimensional high-pressure nozzle precast body |
-
2019
- 2019-07-10 CN CN201910618602.6A patent/CN110396763B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0322821B1 (en) * | 1987-12-29 | 1991-11-21 | Toray Industries, Inc. | Method of and apparatus for weaving a three-dimensional article |
| US5337647A (en) * | 1992-03-13 | 1994-08-16 | The Boeing Company | 3 dimensional braiding apparatus |
| CN1651627A (en) * | 2005-02-23 | 2005-08-10 | 天津工业大学 | Three dimensional knitting method of variable cross section preshaped product and its product |
| TW201022497A (en) * | 2008-12-09 | 2010-06-16 | Chung Shan Inst Of Science | Braiding platform and three dimensional braider |
| CN204080349U (en) * | 2014-08-28 | 2015-01-07 | 西安工程大学 | A kind of realize increase and decrease yarn take yarn apparatus |
| CN204676258U (en) * | 2015-01-20 | 2015-09-30 | 西安工程大学 | A kind of controlled increase and decrease yarn for three dimensional knitting machine take yarn device |
| CN105200654A (en) * | 2015-08-21 | 2015-12-30 | 河南科技大学 | Knitting technology for three-dimensional knitting composite material and adopted knitter |
| CN107780042A (en) * | 2016-08-30 | 2018-03-09 | 中国纺织科学研究院 | 3 D weaving circular knitting machine chassis driving device based on four step rule |
| WO2018118785A1 (en) * | 2016-12-22 | 2018-06-28 | Fractal Braid, Inc. | Apparatus and methods for material manipulation |
| CN106948079A (en) * | 2017-04-27 | 2017-07-14 | 西安工程大学 | It is a kind of automatically increase or decrease yarn take yarn device and its three dimensional knitting machine of application |
| CN109914031A (en) * | 2019-03-11 | 2019-06-21 | 陕西元丰纺织技术研究有限公司 | The net shape Preparation Method of three-dimensional high-pressure nozzle precast body |
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| CN110396763A (en) | 2019-11-01 |
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