CN111575900B - A knitting machine using an asymmetric cam pushing device - Google Patents
A knitting machine using an asymmetric cam pushing device Download PDFInfo
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- CN111575900B CN111575900B CN202010453367.4A CN202010453367A CN111575900B CN 111575900 B CN111575900 B CN 111575900B CN 202010453367 A CN202010453367 A CN 202010453367A CN 111575900 B CN111575900 B CN 111575900B
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- 238000009940 knitting Methods 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000000819 phase cycle Methods 0.000 claims abstract description 5
- 239000000969 carrier Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 8
- 238000009941 weaving Methods 0.000 abstract description 2
- 230000007704 transition Effects 0.000 description 9
- 238000009954 braiding Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
本发明公开了一种采用非对称凸轮推动装置的编织机,包括编织机，编织机上设有传动轴，转轴，非对称凸轮，凸轮推杆，携纱器，挂钩连接件，挂钩，连接盘，底板，支架杆，该编织机采用了新设计的非对称凸轮，将非对称凸轮按一定相位顺序固定在四周的转轴上，通过转轴与传动轴间的齿轮联动，使得凸轮按一定方向转动，凸轮通过直接接触推动凸轮推杆，进而凸轮推杆通过直接接触以令推动携纱器定向有序移动，实现编织机的连续自动化编织，通过改变凸轮排列方式和凸轮尺寸，实现不同三维编织结构织物的成型体制备。
The invention discloses a knitting machine adopting an asymmetric cam pushing device, comprising a knitting machine. The knitting machine is provided with a transmission shaft, a rotating shaft, an asymmetric cam, a cam push rod, a yarn carrier, a hook connecting piece, a hook and a connecting plate, Bottom plate, bracket rod, the knitting machine adopts a newly designed asymmetric cam, which fixes the asymmetric cam on the surrounding rotating shaft in a certain phase sequence, and makes the cam rotate in a certain direction through the gear linkage between the rotating shaft and the transmission shaft. The cam push rod is pushed by direct contact, and then the cam push rod makes the directional and orderly movement of the push yarn carrier through direct contact, so as to realize the continuous automatic weaving of the knitting machine. Preparation of shaped bodies.
Description
Technical Field
The invention relates to the technical field of knitting machines adopting asymmetric cam pushing devices, in particular to a knitting machine adopting an asymmetric cam pushing device.
Background
The three-dimensional weaving technology can realize three-dimensional integral molding of fibers and prepare three-dimensional woven products with different section shapes. The three-dimensional woven product can be compounded with epoxy and other substrates to play a role in strengthening and toughening, so that the light high-strength composite material with excellent comprehensive performance is prepared, and the three-dimensional woven product has important application in the fields of aerospace, automobiles and the like.
Due to the technical development of the three-dimensional knitting machine, the wide application of the three-dimensional knitting product is limited. In practical application, most three-dimensional knitting machines are manual or semi-automatic, the change of knitting modes is relatively inflexible, the three-dimensional knitting efficiency is low, the cost is high, the internal structural form of products is single, and the requirements for diversification are difficult to meet.
Disclosure of Invention
The invention aims to provide a knitting machine adopting an asymmetric cam pushing device, which adopts a newly designed asymmetric cam to push a yarn carrier to move directionally and orderly so as to realize continuous and automatic knitting of the knitting machine, can realize continuous preparation of different three-dimensional knitting structure fabrics by changing the size and the arrangement of the cam, can flexibly adapt to different knitting structure preparation processes, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the knitting machine with the asymmetric cam pushing device comprises a knitting machine body, wherein a base plate is arranged on the knitting machine body, a transmission shaft is correspondingly arranged at each corner of the base plate, a connecting disc is arranged at the top end of the transmission shaft, a yarn carrying device is arranged above the base plate, a hook is arranged on the yarn carrying device, and a cam push rod is arranged between the asymmetric cam and the yarn carrying device.
Preferably, the bottom plate is square, the outer edge of the bottom plate is provided with a rotating shaft, the end of the rotating shaft is connected with a connecting disc at the top end of the transmission shaft, the rotating shaft is provided with asymmetric cams at equal intervals, the asymmetric cams are fixed on the rotating shaft through screws, and the end of the cam push rod is movably connected with the asymmetric cams.
Preferably, the hook is provided with a hook connecting piece, and the hook connecting piece is riveted on the yarn carrier.
Preferably, the cam push rods above the bottom plate are vertically and crosswise arranged.
Preferably, the asymmetric cam on the knitting machine is divided into four subareas with 90 degrees in sequence according to 0 degree, 90 degrees, 180 degrees and 270 degrees,
a subarea 1 which gradually transits from a small diameter to a large diameter;
a subarea 3, which gradually transits from a large diameter to a small diameter;
Preferably, the asymmetric cams of the knitting machine ((N +4) row x (M +4) row) are fixed to the peripheral rotating shaft in a phased sequence.
Preferably, the number of the total rows (M +4) and the total columns (N +4) of the yarn carriers (X) is not less than 2.
Preferably, the transmission shaft is linked with the motor and synchronously rotates at the same speed.
Preferably, the difference between the inner diameter and the outer diameter of the asymmetric cam is generally the sum of the sizes of the yarn carrier and the spacing block.
Preferably, the knitting machine adopting the asymmetric cam pushing device comprises the following steps:
A. the cam comprises a subarea 1, a subarea 2, a subarea 3 and a subarea 4, wherein the subarea 1 is gradually transited from a small diameter to a large diameter, the subarea 2 is kept at the large diameter, the subarea 3 is gradually transited from the large diameter to the small diameter, the subarea 4 is kept at the small diameter, the diameter increasing initial point of the subarea 1 is delayed to a certain extent, the transition is completed in advance, the diameter decreasing initial point of the subarea 3 starts from entering the subarea, similarly, in order to ensure good matching, the transition interval of the subarea 3 is equal to the transition interval of the subarea 1, so that the transition is completed in advance, the subarea 3 completes the transition earlier than the subarea 1, and in order to ensure stable operation, the cam profile ensures continuous curvature;
B. the asymmetrical cams in the knitting machine (row (N +4) × (M + 4)) are fixed on the rotating shaft on the periphery according to a certain phase sequence, at the initial time of the operation of the knitting machine, the contact point of the asymmetric cam and the push rod is 0 degree, at the initial time of the operation of the knitting machine, the asymmetric cam and the push rod have four contact positions, namely, the asymmetric cams have four phases, namely, a phase (I), a phase (II), a phase (III) and a phase (IV), wherein the phase (I) and the phase (II) are in one group, the phase (III) and the phase (IV) are in one group, the phase cams in the same group are arranged at the positions of opposite sides, the phase cams in different groups are arranged at the positions of adjacent sides, the phase cams in the same group are sequentially arranged at one side, the cams at two ends of the same column or the same row, the phases of the yarn carriers are just two different phases in the same group, wherein the number of the total rows (M +4) and the total columns (N +4) of the yarn carriers (X) is not less than 2;
C. the rotating shaft for fixing the asymmetric cam is linked with the transmission shaft through a gear and synchronously rotates at the same speed according to a certain direction to meet the following conditions,
a. the linkage areas (C) of the transmission shaft and the rotating shaft are positioned at four corners of the knitting machine;
b. the rotating directions of the rotating shafts in the linkage areas at the opposite corners are the same, and the rotating directions of the rotating shafts in the linkage areas at the adjacent corners are opposite;
c. the rotating direction of the rotating shaft is opposite to the rotating direction of the overlooking transmission shaft at the end of the linkage area, for example, the overlooking transmission shaft is anticlockwise (N), and the rotating directions of the two transmission shafts linked with the linkage area are clockwise (S) when the linkage area is seen;
D. the cam of the braiding machine is fixed on the rotating shaft through screws, can be disassembled and replaced, changes the arrangement mode of the cam and the size of the cam, and realizes the preparation of the formed body of different three-dimensional braided structural fabrics.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the knitting machine adopting the asymmetric cam pushing device, the newly designed asymmetric cam is adopted to push the yarn carrier to move directionally and orderly so as to realize continuous automatic knitting of the knitting machine, continuous preparation of different three-dimensional knitting structure fabrics can be realized by changing the size of the cam and the arrangement of the cam, and the knitting machine can be flexibly adapted to preparation processes of different knitting structures;
(2) the invention has the advantages of easy implementation, obvious effect and suitable popularization.
Drawings
FIG. 1 is a schematic view of a knitting machine of the type employing an asymmetric cam pushing arrangement of the present invention;
FIG. 2 is a top plan view of a knitting machine of the type of the present invention;
FIG. 3 is a cam section of a knitting machine of the type of the present invention;
FIG. 4 is four phase positions of the cam of the present invention;
FIG. 5 is a schematic diagram showing the variation of the stroke of four phase cams over a complete cycle in accordance with the present invention;
FIG. 6 is a schematic view showing the arrangement rule of cams and the turning relationship between a transmission shaft and a rotating shaft of a braiding machine according to the present invention;
FIG. 7 is a diagram illustrating the effect of the embodiment of the present invention;
FIG. 8 is a side view of an embodiment of the present invention;
fig. 9 is a schematic view of the cam arrangement rule and the turning relationship between the transmission shaft and the rotating shaft according to the embodiment of the present invention.
In the figure: 1. a drive shaft; 2. a rotating shaft; 3. an asymmetric cam; 4. a cam follower; 5. an end yarn carrier; 6. a spacer block; 7. a yarn carrier; 8. a connecting disc; 9. a base plate; 10. hooking; 11. a hook connecting piece; 12. and (5) knitting machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides an adopt asymmetric cam thrust unit's braider, includes braider 12, is equipped with bottom plate 9 on braider 12, and every angle department of bottom plate 9 corresponds and is equipped with transmission shaft 1, and the top of transmission shaft 1 is equipped with connection pad 8, and the top of bottom plate 9 is equipped with and takes yarn ware 7, and asymmetric cam 3 with take yarn ware 7 within a definite time and be equipped with cam follower, take and be equipped with couple 10 on the yarn ware 7, be equipped with couple connecting piece 11 on the couple 10, couple connecting piece 11 is riveted on taking yarn ware 7.
The bottom plate 9 is square, the outer edge of the bottom plate 9 is provided with a rotating shaft 2, the end of the rotating shaft 2 is connected with a connecting disc 8 at the top end of a transmission shaft 1, asymmetric cams 3 are arranged on the rotating shaft 2 at equal intervals, the asymmetric cams 3 are fixed on the rotating shaft 2 through screws, the end of a cam push rod 4 is movably connected with the asymmetric cams 3, and the cam push rod 4 above the bottom plate 9 is perpendicularly installed in a crossed mode.
The asymmetric cams on the knitting machine 12 are divided into four subareas with 90-degree intervals according to 0-degree, 90-degree, 180-degree and 270-degree uniform distribution, the subarea 1 is gradually transited from a small diameter to a large diameter, the subarea 2 is kept at the large diameter, the subarea 3 is gradually transited from the large diameter to the small diameter, the subarea 4 is kept at the maximum diameter, the asymmetric cams (3) in the knitting machine 12((N +4) row X (M +4) row) are fixed on the peripheral rotating shaft (2) according to a certain phase sequence, the total row (M +4) number of the total row (M +4) of the yarn carrier 5(X) is not less than 2, the transmission shaft 1 is linked with a motor and synchronously rotates at the same speed, and the difference of the inner diameter and the outer diameter of the asymmetric cams 3 is generally the sum of the sizes of the yarn carrier and the interval blocks.
A braiding machine adopting an asymmetric cam pushing device is characterized in that a braiding machine manufacturing method comprises a subarea 1, a subarea 2 and a subarea 3, wherein the subarea 1 is gradually transited from a small diameter to a large diameter, the subarea 2 is kept at the large diameter, the subarea 3 is gradually transited from the large diameter to the small diameter, the subarea 4 is kept at the small diameter, a diameter increasing initial point of the subarea 1 is delayed to a certain extent, transition is completed in advance, a diameter decreasing initial point of the subarea 3 starts from entering the subarea, similarly, in order to guarantee good matching, a transition interval of the subarea 3 is equal to a transition interval of the subarea 1, transition is completed in advance, the subarea 3 is completed earlier than the subarea 1, and in order to guarantee stable operation, the cam profile needs to guarantee continuous curvature.
The asymmetrical cams in the knitting machine (row (N +4) × (M + 4)) are fixed on the rotating shaft on the periphery according to a certain phase sequence, at the initial time of the operation of the knitting machine, the contact point of the asymmetric cam and the push rod is 0 degree, at the initial time of the operation of the knitting machine, the asymmetric cam and the push rod have four contact positions, namely, the asymmetric cams have four phases, namely, a phase (I), a phase (II), a phase (III) and a phase (IV), wherein the phase (I) and the phase (II) are in one group, the phase (III) and the phase (IV) are in one group, the phase cams in the same group are arranged at the positions of opposite sides, the phase cams in different groups are arranged at the positions of adjacent sides, the phase cams in the same group are sequentially arranged at one side, the cams at two ends of the same column or the same row, the phases of the yarn carriers are just two different phases in the same group, wherein the number of the total rows (M +4) and the total columns (N +4) of the yarn carriers (X) is not less than 2;
the rotating shaft for fixing the asymmetric cam is linked with the transmission shaft through a gear and synchronously rotates at the same speed according to a certain direction, the linking areas (C) of the transmission shaft and the rotating shaft are positioned at the four corners of the knitting machine, the rotating directions of the rotating shafts in the linking areas at the diagonal positions are the same, the rotating directions of the rotating shafts in the linking areas at the adjacent corners are opposite, the rotating directions of the rotating shafts are opposite to the rotating directions of overlooking the transmission shaft at the end of the linking areas, for example, the rotating directions of the transmission shaft is anticlockwise (N) when overlooking the transmission shaft, and the rotating directions of the two transmission shafts linked with the cam are clockwise (S) when viewed from the linking areas, the cam of the knitting machine is fixed on the rotating shaft through a screw, can be disassembled and replaced, the arrangement mode and the size of the cam are changed, and the preparation of molded bodies of different three-dimensional knitting structure fabrics is realized.
According to the knitting machine adopting the asymmetric cam pushing device, the newly designed asymmetric cam is adopted to push the yarn carrier to move directionally and orderly so as to realize continuous automatic knitting of the knitting machine, continuous preparation of different three-dimensional knitting structure fabrics can be realized by changing the size of the cam and the arrangement of the cam, the manufacturing process of different knitting structures can be flexibly adapted, and the knitting machine is easy to implement, remarkable in effect and suitable for popularization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Knitting machine with asymmetric cam pushing, comprising a knitting machine (12), characterized in that: a bottom plate (9) is arranged on the knitting machine (12), a transmission shaft (1) is correspondingly arranged at each corner of the bottom plate (9), a connecting disc (8) is arranged at the top end of the transmission shaft (1), a yarn carrier (7) is arranged above the bottom plate (9), a hook (10) is arranged on the yarn carrier (7), and a cam push rod (4) is arranged between the asymmetric cam (3) and the yarn carrier (7);
the bottom plate (9) is square, the outer edge of the bottom plate (9) is provided with a rotating shaft (2), the end of the rotating shaft (2) is connected with a connecting disc (8) at the top end of the transmission shaft (1), the rotating shaft (2) is provided with asymmetric cams (3) at equal intervals, the asymmetric cams (3) are fixed on the rotating shaft (2) through screws, and the end of the cam push rod (4) is movably connected with the asymmetric cams (3);
the asymmetric cam on the knitting machine (12) is divided into four subareas with 90 degrees according to 0 degree, 90 degrees, 180 degrees and 270 degrees,
zone 1, gradually transits from small radius to large radius;
zone 2, held at a large radius;
a subarea 3, which gradually transits from a large radius to a small radius;
zone 4, held at a minimum radius.
2. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the yarn carrying device is characterized in that a hook connecting piece (11) is arranged on the hook (10), and the hook connecting piece (11) is riveted on the yarn carrying device (7).
3. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the cam push rods (4) above the bottom plate (9) are vertically and crossly arranged.
4. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the asymmetric cams (3) in the knitting machine (12) are fixed on the peripheral rotating shafts (2) according to a certain phase sequence.
5. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the total row number and the total column number of the yarn carriers (7) are not less than 2.
6. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the transmission shaft (1) is linked with the motor and synchronously rotates at the same speed.
7. The knitting machine with asymmetric cam pushing devices as claimed in claim 1, wherein: the difference between the inner diameter and the outer diameter of the asymmetrical cam (3) is the sum of the sizes of the yarn carrier (7) and the spacing block (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010453367.4A CN111575900B (en) | 2020-05-26 | 2020-05-26 | A knitting machine using an asymmetric cam pushing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010453367.4A CN111575900B (en) | 2020-05-26 | 2020-05-26 | A knitting machine using an asymmetric cam pushing device |
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| CN111575900A CN111575900A (en) | 2020-08-25 |
| CN111575900B true CN111575900B (en) | 2021-07-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210886A (en) * | 2020-08-28 | 2021-01-12 | 西安工程大学 | Three-dimensional braider driving system device |
| CN113337957B (en) * | 2021-05-14 | 2022-04-19 | 南京玻璃纤维研究设计院有限公司 | Yarn carrying device and yarn carrying and releasing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087146A (en) * | 1993-10-14 | 1994-05-25 | 中国人民解放军国防科学技术大学 | The method and apparatus of braiding integral three-dimensional structure |
| CN1312408A (en) * | 2001-04-17 | 2001-09-12 | 东华大学 | Three-dimensional knitter |
| US6439096B1 (en) * | 2000-11-28 | 2002-08-27 | 3Tex, Inc. | Automated 3-D braiding machine and method |
| CN205874663U (en) * | 2016-06-20 | 2017-01-11 | 叶志刚 | Three -dimensional braiding machine chassis device |
| CN108286115A (en) * | 2018-03-14 | 2018-07-17 | 陈治居 | A kind of driving mechanism for weaving loom |
| CN109487411A (en) * | 2018-11-13 | 2019-03-19 | 李典森 | A kind of big machinery automatized three-dimensional entirety square braiding apparatus |
-
2020
- 2020-05-26 CN CN202010453367.4A patent/CN111575900B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087146A (en) * | 1993-10-14 | 1994-05-25 | 中国人民解放军国防科学技术大学 | The method and apparatus of braiding integral three-dimensional structure |
| US6439096B1 (en) * | 2000-11-28 | 2002-08-27 | 3Tex, Inc. | Automated 3-D braiding machine and method |
| CN1312408A (en) * | 2001-04-17 | 2001-09-12 | 东华大学 | Three-dimensional knitter |
| CN205874663U (en) * | 2016-06-20 | 2017-01-11 | 叶志刚 | Three -dimensional braiding machine chassis device |
| CN108286115A (en) * | 2018-03-14 | 2018-07-17 | 陈治居 | A kind of driving mechanism for weaving loom |
| CN109487411A (en) * | 2018-11-13 | 2019-03-19 | 李典森 | A kind of big machinery automatized three-dimensional entirety square braiding apparatus |
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