CN108842287B - Needle selection device and method of latch needle warp knitting machine - Google Patents
Needle selection device and method of latch needle warp knitting machine Download PDFInfo
- Publication number
- CN108842287B CN108842287B CN201810766816.3A CN201810766816A CN108842287B CN 108842287 B CN108842287 B CN 108842287B CN 201810766816 A CN201810766816 A CN 201810766816A CN 108842287 B CN108842287 B CN 108842287B
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- needle
- latch
- cover plate
- warp knitting
- knitting machine
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/06—Needle bars; Sinker bars
- D04B27/08—Driving devices therefor
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/06—Needle bars; Sinker bars
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a needle selection device and a needle selection method of a latch needle warp knitting machine, wherein the needle selection device comprises a needle bed, the needle bed comprises a plurality of needle grooves which are arranged in rows according to the requirement of the machine number, latch needles capable of moving up and down are arranged in the needle grooves, butt is arranged on the latch needles, a cover plate is arranged on the needle bed, inserting grooves corresponding to the needle grooves are formed in the cover plate, inserting and supporting pieces capable of moving back and forth are arranged in the inserting grooves, the inserting and supporting pieces comprise upper inserting and supporting pieces and lower inserting and supporting pieces, the butt is clamped between the upper inserting and supporting pieces, and supporting pieces are arranged below the latch needles. After the invention is adopted, the height of each knitting needle can be adjusted according to the process requirements when the latch needle warp knitting machine is used for knitting, and knitting can be performed selectively in a looping mode, a tucking mode, a floating mode or a part of knitting needles participate in knitting and the like, so that the pattern types of the latch needle warp knitted fabric are enriched.
Description
Technical Field
The invention relates to the technical field of warp knitting machines, in particular to a needle selection device and a needle selection method of a latch needle warp knitting machine.
Background
The warp knitted fabric is a knitted fabric formed by one or more groups of parallel arranged warp yarns, padding a row of knitting needles on a warp knitting machine along the longitudinal direction, synchronously looping and mutually interlooping. The knitting parts of the warp knitting machine mainly comprise knitting needles, yarn guide needles, sinkers and the like. At present, knitting needles on a warp knitting machine are all arranged on a needle bed and reciprocate up and down along with the needle bed. The warp knitting machine is not provided with a device for selecting needles and controlling the needles to move up and down, and can not control the movement of a single or a plurality of needles.
Therefore, designing a knitting needle selecting device capable of realizing individual needle selection and automatic needle selection becomes a great hotspot and difficulty of the current research content.
At present, the utility model with the authorization notice number of CN202688628U discloses a full-automatic knitting warp knitting machine with automatic needle selection. The utility model discloses a be equipped with knitting mechanism and select the needle device automatically, select the needle device automatically again to include drive mechanism and select the needle mechanism automatically, select the needle mechanism automatically and receive the drive mechanism control to move on linear guide and move in proper order and select the needle to the ejector pad department that the crochet hook that does not need to participate in work corresponds. After the needle selection is finished, the needle pushing plate drives the unselected crochet needles to carry out knitting work through the needle pushing sheet. When the needle needs to be selected again, the selected crochet hook can be reset and enters the working position again only by pushing the needle pushing baffle. The full-automatic knitting warp knitting machine can realize automatic needle selection and needle arrangement, shorten the preparation time of production, improve the working efficiency of workers and improve the productivity of enterprises.
Above-mentioned utility model is suitable for a crochet hook tricot machine, the device is more complicated, and the knitting needle only has work and two kinds of states of non-work, and at the knitting in-process, the knitting needle of participating in work can not be by further selection, and the fabric kind and the flower type kind of weaving are limited. Meanwhile, the automatic needle selection mechanism achieves the purpose of automatic needle selection, but the needle arrangement preparation before knitting is carried out instead of controlling the up-and-down movement of the knitting needles.
The invention aims to solve the problems of automatic needle selection and control of up-and-down motion of individual knitting needles in the knitting process.
Disclosure of Invention
Aiming at the existing problems, the invention improves the traditional latch needle warp knitting machine, provides the needle selection device and the method of the latch needle warp knitting machine, selectively adjusts the height of the working position of each knitting needle, solves the problem of limited types of the existing warp knitting fabric, is beneficial to developing and trial-producing novel warp knitting fabrics, further expands the design range of patterns and widens the application field of the warp knitting fabrics.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a needle selection device of a latch needle warp knitting machine comprises a needle bed, wherein the needle bed comprises a plurality of needle grooves which are arranged in rows according to the requirement of the machine number, latch needles capable of moving up and down are installed in the needle grooves, butt needles are provided with needle butts, a cover plate is installed on the needle bed, inserting grooves corresponding to the needle grooves are formed in the cover plate, inserting and supporting pieces capable of moving back and forth are installed in the inserting grooves, each inserting and supporting piece comprises an upper inserting and supporting piece and a lower inserting and supporting piece, the needle butts are clamped between the upper inserting and supporting pieces and the lower inserting and supporting pieces, and supporting pieces are installed below the latch needles.
As an improvement of the above technical solution, the cover plate is provided with a row of grooves corresponding to the needle grooves, the slots are arranged in the grooves according to the requirements of the knitting process, the slots are arranged in a row in the horizontal direction, and at least two rows are arranged.
As an improvement of the technical proposal, the inserting and supporting piece is connected with a control mechanism, and the control mechanism is controlled to be inserted into the slot in a working state, perform needle selection, needle raising or needle pressing operation and withdraw from the slot in a non-working state.
As an improvement of the above technical solution, the control mechanism is a manual, electric, hydraulic or pneumatic mechanism for controlling the movement of the receptacle.
As an improvement of the technical scheme, the control mechanism is provided with a group and simultaneously controls the upper support piece and the lower support piece to move.
As an improvement of the technical scheme, the control mechanism is provided with two groups, wherein one group controls the upper supporting piece to move, and the other group controls the lower supporting piece to move.
As an improvement of the technical scheme, the supporting piece is a spring piece or a square column.
As an improvement of the technical scheme, one surface of the inserting and supporting piece, which is contacted with the needle butt, is a plane, and other surfaces are not limited to the plane, such as a cuboid, a triangular prism or a semi-cylinder.
A needle selecting method for a latch needle warp knitting machine, which is applied to a needle selecting device for a latch needle warp knitting machine according to any one of the above aspects, and which stops the latch needle from moving synchronously with a cover plate and staying at a corresponding position by adjusting insertion positions of upper and lower support members during raising or lowering of the cover plate, comprising:
when the cover plate is lifted, the lower supporting piece is inserted below the needle butt, and the latch needle and the cover plate are lifted synchronously; when the lower supporting piece is not inserted below the needle butt, the latch needle does not synchronously ascend with the cover plate and stays at a corresponding position;
when the cover plate descends, the upper supporting piece is inserted above the needle butt, and the latch needle and the cover plate descend synchronously; when the upper supporting piece is not inserted above the needle butt, the latch needle does not synchronously descend with the cover plate and stays at the corresponding position;
when the cover plate is lifted to the middle position, the inserting position of the lower support part is adjusted, and the height of the latch needle is changed accordingly.
The invention has the following beneficial effects:
after the invention is adopted, when the latch needle warp knitting machine is used for knitting, the working position height of each knitting needle can be adjusted according to the process requirements, knitting can be performed selectively in a looping mode, a tucking mode, a floating mode or a part of knitting needles participate in knitting, and the like, so that the pattern type of the latch needle warp knitting fabric is enriched.
The invention has simple structure, convenient operation, wide adjusting range and high selectivity, and is beneficial to the development and trial production of novel latch needle warp knitting fabrics.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: the drawings are only for purposes of illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention, wherein:
FIG. 1 is a front view of the apparatus of the present invention (shown in partial section only);
FIG. 2 is a top view of the apparatus of the present invention (shown in partial section only);
FIG. 3 is an enlarged partial view of the back of the cover plate (the side immediately adjacent to the needle bed) of the apparatus of the present invention;
FIG. 4 is a cross-sectional view showing the state where the inserting member enters the needle selecting and raising state in the present invention;
FIG. 5 is a cross-sectional view showing the insertion member entering the needle pressing state in the present invention;
fig. 6 is a cross-sectional view showing needle selection and needle raising again in the knitting process of the insertion member of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings. The specific embodiments of the invention that are illustrated in the accompanying drawings are illustrative of the invention and are not to be considered as being strictly drawn to scale. Accordingly, the drawings in the present application should not be construed as limiting the invention in any way. The scope of the invention is defined by the claims.
For purposes of simplicity and clarity, the drawings show only those details that are particularly relevant to the present disclosure. It should be understood that this manner of illustration does not exclude the presence of other details relevant to the invention. Accordingly, the drawings of the present invention are not intended to limit the scope of the present invention.
Example 1
A needle selection device of a latch needle warp knitting machine.
Referring to fig. 1 to 6, the device comprises a needle bed 1, latch needles 2, a cover plate 3, a support 4, a support 5 and a control mechanism 6. Wherein, the needle bed 1 is provided with a row of needle grooves 7 according to the requirement of the machine number, latch needles 2 which can move up and down are arranged in the needle grooves 7, and the latch needles 2 are provided with needle butts. The cover plate 3 is arranged on the needle bed 1 and is provided with a slot 8, the inserting support piece 4 is arranged in the slot 8 and can move back and forth, the upper inserting support piece 4-1 and the lower inserting support piece 4-2 can clamp the needle butt, the support piece 5 is arranged below the latch needle 2, and the control mechanism 6 can control the inserting support piece 4 to move.
In this embodiment, the cover plate 3 is installed on the needle bed 1, the cover plate 3 is provided with a row of grooves 9 corresponding to the needle grooves 7, the slots 8 are formed in the grooves 9 according to the knitting process requirements, and the slots 8 are arranged in a row in the horizontal direction, at least two rows.
The inserting piece 4 is controlled by the control mechanism 6, enters the slot 8 in the working state, performs needle selection, needle raising or needle pressing operation, and exits the slot 8 in the non-working state.
The support 5 may be a spring plate or a square column, and serves to maintain the height of the latch needle 2. The face of the inserting support part contacting with the needle butt is a plane, so that the needle butt is convenient to clamp, and other faces are not limited to planes, such as a cuboid, a triangular prism or a semi-cylinder.
The control mechanism 6 can be any existing mechanism which can drive the socket-supporting piece 4 to move manually, electrically, hydraulically or pneumatically, such as a driving cylinder, etc., and the control mechanism 6 can be provided with one group which simultaneously controls the upper socket-supporting piece 4-1 and the lower socket-supporting piece 4-2, or two groups, one group controls the upper socket-supporting piece 4-1 and the other group controls the lower socket-supporting piece 4-2.
Example 2
A needle selection method of a latch needle warp knitting machine.
The method is applied to the needle selection device of the latch needle warp knitting machine in the embodiment 1, and specifically comprises the following steps:
in the process of the cover plate 3 ascending or descending, the latch needle 2 stops the synchronous movement with the cover plate 3 and stays at the corresponding position by adjusting the inserting position of the upper and lower supporting pieces 4-2, which is specifically divided into:
when the cover plate 3 rises, the lower supporting piece 4-2 is inserted below the needle butt, and the latch needle 2 and the cover plate 3 rise synchronously; when the lower support piece 4-2 is not inserted below the butt, the latch needle 2 does not ascend synchronously with the cover plate 3 and stays at a corresponding position;
when the cover plate 3 descends, the upper supporting piece 4-1 is inserted above the needle butt, and the latch needle 2 and the cover plate 3 descend synchronously; when the upper supporting piece 4-1 is not inserted above the needle butt, the latch needle 2 does not descend synchronously with the cover plate 3 and stays at a corresponding position;
when the cover plate 3 is lifted to the middle position, the inserting position of the lower supporting part 4-2 is adjusted, and the height of the latch needle 2 is changed accordingly.
After the method is adopted, when the latch needle warp knitting machine is used for knitting, the working position height of each knitting needle can be adjusted according to the technological requirements, knitting can be performed selectively in a looping mode, a tucking mode, a floating mode or a part of knitting needles participate in knitting, and the like, so that the pattern type of the latch needle warp knitting fabric is enriched.
While various embodiments of the present invention have been described above, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, which are merely preferred embodiments of the present invention and should not be considered as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A needle selection device of a latch needle warp knitting machine is characterized in that: the needle bed comprises a needle bed body, the needle bed body comprises a plurality of needle grooves which are arranged in rows according to the requirement of the machine number, latch needles which can move up and down are installed in the needle grooves, needle butts are arranged on the latch needles, a cover plate is installed on the needle bed body, inserting grooves corresponding to the needle grooves are formed in the cover plate, inserting and supporting pieces which can move back and forth are installed in the inserting grooves, the inserting and supporting pieces comprise upper inserting and supporting pieces and lower inserting and supporting pieces, the needle butts are clamped between the upper inserting and supporting pieces and the lower inserting and supporting pieces, and the supporting pieces are installed below the latch needles.
2. The needle selector of a latch needle warp knitting machine according to claim 1, characterized in that: the cover plate is provided with a row of grooves corresponding to the needle grooves, the slots are arranged in the grooves according to the requirements of a weaving process, and at least two rows of the slots are arranged in the horizontal direction.
3. The needle selector of a latch needle warp knitting machine according to claim 1, characterized in that: the inserting and supporting piece is connected with a control mechanism, and is controlled to be inserted into the slot in a working state, perform needle selection, needle raising or needle pressing operation and withdraw from the slot in a non-working state.
4. The needle selector of a latch needle warp knitting machine according to claim 3, characterized in that: the control mechanism is a manual, electric control, hydraulic or pneumatic mechanism and is used for controlling the movement of the inserting and supporting piece.
5. The needle selector of a latch needle warp knitting machine according to claim 4, characterized in that: the control mechanism is provided with a group and controls the upper supporting piece and the lower supporting piece to move simultaneously.
6. The needle selector of a latch needle warp knitting machine according to claim 4, characterized in that: the control mechanism is provided with two groups, one group controls the upper supporting piece to move, and the other group controls the lower supporting piece to move.
7. The needle selecting device of the latch needle warp knitting machine according to claim 1, characterized in that: the supporting piece is a spring piece or a square column.
8. The needle selecting device of the latch needle warp knitting machine according to claim 1, characterized in that: the surface of the inserting support part contacted with the needle butt is a plane.
9. A needle selection method of a latch needle warp knitting machine is characterized in that: the method applied to the needle selection device of the latch needle warp knitting machine according to any one of claims 1 to 8, which stops the latch needle from moving synchronously with the cover plate and stays at the corresponding position by adjusting the insertion positions of the upper and lower supporters during the raising or lowering of the cover plate, specifically comprising:
when the cover plate is lifted, the lower supporting piece is inserted below the needle butt, and the latch needle and the cover plate are lifted synchronously; when the lower supporting piece is not inserted below the needle butt, the latch needle does not synchronously ascend with the cover plate and stays at a corresponding position;
when the cover plate descends, the upper supporting piece is inserted above the needle butt, and the latch needle and the cover plate descend synchronously; when the upper supporting piece is not inserted above the needle butt, the latch needle does not synchronously descend with the cover plate and stays at the corresponding position;
when the cover plate is lifted to the middle position, the inserting position of the lower support part is adjusted, and the height of the latch needle is changed accordingly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810766816.3A CN108842287B (en) | 2018-07-13 | 2018-07-13 | Needle selection device and method of latch needle warp knitting machine |
| PCT/CN2019/080811 WO2020010877A1 (en) | 2018-07-13 | 2019-04-01 | Needle selection apparatus and method for latch needle warp knitting machine |
| EP19834088.7A EP3819414B1 (en) | 2018-07-13 | 2019-04-01 | Needle selection apparatus and method for latch needle warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810766816.3A CN108842287B (en) | 2018-07-13 | 2018-07-13 | Needle selection device and method of latch needle warp knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108842287A CN108842287A (en) | 2018-11-20 |
| CN108842287B true CN108842287B (en) | 2020-02-14 |
Family
ID=64197182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810766816.3A Active CN108842287B (en) | 2018-07-13 | 2018-07-13 | Needle selection device and method of latch needle warp knitting machine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3819414B1 (en) |
| CN (1) | CN108842287B (en) |
| WO (1) | WO2020010877A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842287B (en) * | 2018-07-13 | 2020-02-14 | 天津工业大学 | Needle selection device and method of latch needle warp knitting machine |
| CN109881352B (en) * | 2019-04-02 | 2021-07-30 | 天津工业大学 | Three-dimensional structure warp knitting knitted fabric and knitting method thereof |
| CN109989175B (en) * | 2019-04-02 | 2021-06-15 | 天津工业大学 | Tubular warp knit having bag-like structure and knitting method thereof |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE224058C (en) * | ||||
| US3566618A (en) * | 1969-10-13 | 1971-03-02 | Renfro Hosiery Mills Co | Individual needle control means for circular warp knitting machines |
| DE2107024A1 (en) * | 1970-02-20 | 1971-08-26 | Vyzkumny ustav pletarzsky, Brunn (Tschechoslowakei) | Individual latch needle control |
| CS178595B1 (en) * | 1975-04-03 | 1977-10-31 | Jaromir Kucera | Multi-feed circular knitting machine |
| CN2417186Y (en) * | 2000-03-24 | 2001-01-31 | 上海三枪（集团）有限公司 | Needle cylinder for circular kniffing machine |
| JP4213544B2 (en) * | 2003-09-03 | 2009-01-21 | 株式会社福原精機製作所 | Needle selection apparatus and method in circular knitting machine and actuator used therefor |
| CN2839316Y (en) * | 2005-08-17 | 2006-11-22 | 昆山攀特电陶研发中心有限公司 | Needle fixing device for needle selector |
| DE502007003530D1 (en) * | 2007-10-02 | 2010-06-02 | Mayer Textilmaschf | Knitting tool arrangement and knitting tool |
| CN202369762U (en) * | 2011-11-28 | 2012-08-08 | 常州市润源经编运用工程技术研究中心有限公司 | Latch needle bed assembly for warp knitting machine with double needle beds |
| CN202688628U (en) | 2012-06-25 | 2013-01-23 | 东莞市金贝诺软件技术有限公司 | Full-automatic warp knitting machine automatically selecting needles |
| CN202705662U (en) * | 2012-07-17 | 2013-01-30 | 重庆胜普昂凯科技有限公司 | Piezoelectric jacquard device of warp knitting machine |
| CN204455486U (en) * | 2015-02-06 | 2015-07-08 | 福建省晋江市佶龙机械工业有限公司 | A kind of two-shipper warp knitting machine |
| CN205171094U (en) * | 2015-11-13 | 2016-04-20 | 泉州恒毅机械有限公司 | Two reverse side jacquard triangle devices of triangle |
| CN205368659U (en) * | 2016-01-26 | 2016-07-06 | 常州市欧博纺织器材有限公司 | Latch needle fixing device of tricot machine |
| CN207295087U (en) * | 2017-10-16 | 2018-05-01 | 泉州精毅针织机械科技有限公司 | Selecting mechanism on computer jacquard |
| CN108842287B (en) * | 2018-07-13 | 2020-02-14 | 天津工业大学 | Needle selection device and method of latch needle warp knitting machine |
-
2018
- 2018-07-13 CN CN201810766816.3A patent/CN108842287B/en active Active
-
2019
- 2019-04-01 EP EP19834088.7A patent/EP3819414B1/en active Active
- 2019-04-01 WO PCT/CN2019/080811 patent/WO2020010877A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3819414A1 (en) | 2021-05-12 |
| WO2020010877A1 (en) | 2020-01-16 |
| EP3819414A4 (en) | 2021-08-18 |
| EP3819414B1 (en) | 2022-06-22 |
| CN108842287A (en) | 2018-11-20 |
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