CN107475883B - Yarn pressing device of computer flat knitting machine - Google Patents
Yarn pressing device of computer flat knitting machine Download PDFInfo
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- CN107475883B CN107475883B CN201710951010.7A CN201710951010A CN107475883B CN 107475883 B CN107475883 B CN 107475883B CN 201710951010 A CN201710951010 A CN 201710951010A CN 107475883 B CN107475883 B CN 107475883B
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- yarn
- presser
- seat
- fixing rod
- spatula
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
- D04B15/56—Thread guides for flat-bed knitting machines
- D04B15/565—Associated thread-clamping or thread-severing devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
A yarn pressing device of a computer knitting flat knitting machine comprises a guide rail and a yarn nozzle seat which is arranged on the guide rail in a left-right moving mode, wherein a pair of yarn nozzle seat contact pins with opposite directions are fixed on the upper portion of the yarn nozzle seat, a shuttle changing slide block cavity is formed by a space between the pair of yarn nozzle seat contact pins, a yarn feeding nozzle guide rod is arranged on the lower portion of the yarn nozzle seat, a yarn feeding nozzle is arranged on the lower portion of the yarn feeding nozzle guide rod, the yarn pressing device comprises a yarn pressing tongue plate seat, a yarn pressing tongue plate fixing rod and a yarn pressing tongue plate, the yarn pressing tongue plate seat is in sliding fit with the guide rail at a position corresponding to the front side of the yarn nozzle seat, a pair of yarn pressing tongue plate seat contact pins with opposite directions are fixed on the upper portion of the yarn pressing tongue plate seat, a reversing block matching cavity is formed by the space between the yarn pressing tongue plate seat contact pins, the upper end of the yarn pressing tongue plate fixing rod and a middle position of one side, back to the guide rail, the lower end of the yarn pressing tongue plate fixing rod extends below the yarn pressing tongue plate seat, and the lower end of the yarn pressing tongue plate fixing rod is fixed at the lower end of the yarn pressing tongue plate fixing rod. Ensuring the weaving quality of the metal fiber fabric.
Description
Technical Field
The invention belongs to the technical field of computer flat knitting machines, and particularly relates to a yarn pressing device of a computer flat knitting machine.
Background
As known in the textile industry, metal fiber fabrics such as radiation-proof fabrics, electromagnetic-resistant fabrics, and fireproof fabrics are very popular because of their unique properties and wide applications, such as organic and inorganic fibers, and particularly, their good electrical conductivity, thermal conductivity, magnetic conductivity, and high temperature resistance. The metal fiber processed by high-tech wire drawing is implanted into the fabric to form high-grade fabric with good added value. The metal fiber textile fabric is mainly made of polyester cotton, nylon polyester and all-cotton metal fiber fabric, the mass percentage of the metal fibers is about 3-8% of the total weight of the fabric, and the larger the metal fiber is, the higher the cost price of the fabric is.
However, the following confusion is often encountered in the process of weaving the metal fiber fabric on the computer flat knitting machine: after the yarn is fed by the yarn feeding nozzle, the metal fiber yarns are expanded, namely, float upwards, so that the knitting needle is influenced to hook and loop the yarns, the quality of the fabric is finally influenced and even scrapped, and the higher the knitting speed is, the more serious the yarn floats. The applicant has made a literature search for this technical problem, but there is no teaching in the foreign patent and non-patent documents to solve the technical problem, and the technical solutions to be described below are made in this context.
Disclosure of Invention
The invention aims to provide a yarn pressing device of a computer flat knitting machine, which is helpful for preventing metal fiber yarns fed by a yarn feeding nozzle from swelling upwards so as to ensure that knitting needles are hooked and looped.
The invention aims to solve the problem that the yarn pressing device of the computer flat knitting machine comprises a guide rail and a yarn nozzle seat which is arranged on the guide rail in a left-right moving mode, a pair of yarn nozzle seat contact pins with opposite directions are fixed on the upper portion of the yarn nozzle seat, a shuttle changing slide block cavity is formed in a space between the pair of yarn nozzle seat contact pins, a yarn feeding nozzle guide rod is arranged on the lower portion of the yarn nozzle seat, a yarn feeding nozzle is fixed on the lower portion of the yarn feeding nozzle guide rod, the yarn pressing device comprises a yarn pressing tongue plate seat, a yarn pressing tongue plate fixing rod and a yarn pressing tongue plate, the yarn pressing tongue plate seat is in sliding fit with the guide rail at a position corresponding to the front side of the yarn nozzle seat, a pair of yarn pressing tongue plate seat contact pins with opposite directions are fixed on the upper portion of the yarn pressing tongue plate seat, a reversing block fit cavity is formed in a space between the pair of the yarn pressing tongue pressing seat contact pins, the upper end of the yarn pressing fixing rod and the position of the yarn pressing tongue plate seat back to one side of the guide rail are fixed, the lower end of the yarn pressing tongue plate fixing rod extends to the lower end of the yarn pressing tongue plate fixing rod, and the yarn pressing tongue plate is fixed below the yarn pressing tongue plate seat.
In a specific embodiment of the invention, a pressing tongue seat guide rail fitting groove is formed on the side of the pressing tongue seat facing the guide rail and at a position corresponding to the guide rail, and the pressing tongue seat guide rail fitting groove is in sliding fit with the guide rail.
In another embodiment of the invention, the cross-sectional shape of the fitting groove of the tongue depressor guide rail is dovetail-shaped.
In another specific embodiment of the present invention, the pair of pressing tongue seat contact pins are fixed to the pressing tongue seat by a pair of pressing tongue seat contact pin fixing screws.
In another specific embodiment of the present invention, a pair of adjusting guide grooves are provided at an interval at the upper end of the spatula fixing rod, and a spatula fixing rod screw is provided on each of the pair of adjusting guide grooves, and the spatula fixing rod screw is fixed with the spatula base; the lower end of the fixing rod of the spatula is provided with a spatula fixing screw adjusting groove, and the spatula is fixed with the lower end of the fixing rod of the spatula at the position corresponding to the spatula fixing screw adjusting groove.
In yet another embodiment of the present invention, a spatula fixing rod fitting seat extends from the upper portion of the spatula, a fixing rod fitting cavity is formed on a side of the spatula fixing rod fitting seat facing the spatula fixing rod, a fitting seat adjusting fixing groove is formed on the spatula fixing rod fitting seat and at a position corresponding to the spatula fixing screw adjusting groove, a fitting seat adjusting fixing screw is disposed on the fitting seat adjusting fixing groove, and the fitting seat adjusting fixing screw penetrates through the spatula fixing screw adjusting groove to fix the spatula fixing rod fitting seat and the lower end of the spatula fixing rod and is locked by a locking nut screwed at the end of the fitting seat adjusting fixing screw.
In a further specific embodiment of the invention, the tongue depressor and the yarn feeder are on the same axis and the bottom of the tongue depressor and the bottom of the yarn feeder are on the same plane.
In a further embodiment of the invention, a pressure plate is fixed to the lower part of the side of the spatula base facing the guide rail by means of a pressure plate screw, and the upper surface of the pressure plate is in contact with the bottom surface of the guide rail.
In a more specific embodiment of the invention, a pressing plate screw adjusting groove is formed on the pressing yarn tongue plate seat and at a position corresponding to the pressing plate screw.
In a further embodiment of the invention, the spatula is made of metal.
According to the technical scheme provided by the invention, when a yarn pressing tongue plate seat of a structural system of the yarn pressing device slides left and right on a guide rail, a yarn pressing tongue plate fixing rod is driven to correspondingly slide together with the yarn pressing tongue plate seat, and a metal fiber yarn fed by a yarn feeding nozzle is pressed downwards by the yarn pressing tongue plate, so that a needle hook of a knitting needle is hooked into a loop, and the knitting quality of a metal fiber fabric is ensured.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Detailed Description
Referring to fig. 1, there are shown a guide rail 1 (also called "nozzle guide rail") of a structure system of a computer flat knitting machine and a nozzle holder 2 installed on the guide rail 1 to move left and right, a pair of nozzle holder contact pins 21 having opposite directions are fixed to an upper portion of the nozzle holder 2, a space between the pair of nozzle holder contact pins 21 is formed as a shuttle changing slider chamber 211, a nozzle guide 22 is provided to a lower portion of the nozzle holder 2, and a nozzle 221 is fixed to a lower portion of the nozzle guide 22. Since this structure of the computer flat knitting machine belongs to the known technology, for example, it can be referred to CN201305729Y (yarn nozzle holder), the applicant does not need to describe it again.
The technical key points of the technical scheme provided by the invention are as follows: the invention provides a yarn pressing device which comprises a yarn pressing tongue plate seat 3, a yarn pressing tongue plate fixing rod 4 and a yarn pressing tongue plate 5, wherein the yarn pressing tongue plate seat 3 is in sliding fit with the guide rail 1 at a position corresponding to the front side of the yarn nozzle seat 2, a pair of yarn pressing tongue plate seat contact pins 31 with opposite directions are fixed at the upper part of the yarn pressing tongue plate seat 3, a space between the pair of yarn pressing tongue plate seat contact pins 31 is formed into a reversing block matching cavity 311, the upper end of the yarn pressing tongue plate fixing rod 4 is fixed with the middle position of one side of the yarn pressing tongue plate seat 3, which is back to the guide rail 1, the lower end of the yarn pressing tongue plate fixing rod 4 extends to the lower part of the yarn pressing tongue plate seat 3, and the yarn pressing tongue plate 5 is fixed at the lower end of the yarn pressing tongue plate fixing rod 4. Since the commutation block matching cavity 311 has the same function as the commutation block cavity 211 and can also be referred to CN201305729Y, the detailed description thereof is omitted.
A pressing tongue seat guide rail fitting groove 32 is formed on the side of the pressing tongue plate seat 3 facing the guide rail 1 and at a position corresponding to the guide rail 1, and the pressing tongue plate seat guide rail fitting groove 32 is slidably fitted to the guide rail 1.
In the present embodiment, the cross-sectional shape of the aforementioned tongue depressor guide rail fitting groove 32 is dovetail-shaped.
As shown in fig. 1, the pair of presser foot seat contact pins 31 are fixed to the presser foot seat 3 by a pair of presser foot seat contact pin fixing screws 312, respectively.
Continuing to refer to fig. 1, a pair of adjusting guide grooves 41 are formed at intervals at the upper end of the spatula fixing rod 4, a spatula fixing rod screw 411 is respectively arranged on each adjusting guide groove 41, and the spatula fixing rod screw 411 is fixed with the spatula base 3; the lower end of the spatula fixing rod 4 is provided with a spatula fixing screw adjusting groove 42, and the spatula 5 is fixed with the lower end of the spatula fixing rod 4 at a position corresponding to the spatula fixing screw adjusting groove 42.
As shown in fig. 1, a tongue depressor fixing rod fitting seat 51 extends from the upper portion of the tongue depressor 5, a fixing rod fitting cavity 511 is formed on a side of the tongue depressor fixing rod fitting seat 51 facing the tongue depressor fixing rod 4, a fitting seat adjustment fixing groove 512 is formed on the tongue depressor fixing rod fitting seat 51 and at a position corresponding to the tongue depressor fixing screw adjustment groove 42, a fitting seat adjustment fixing screw 5121 is disposed on the fitting seat adjustment fixing groove 512, and the tongue depressor fixing rod fitting seat 51 is fixed to the lower end of the tongue depressor fixing rod 4 by the fitting seat adjustment fixing screw 5121 passing through the tongue depressor fixing screw adjustment groove 42 and locked by a locking nut 51211 screwed on the end of the fitting seat adjustment fixing screw 5121.
In the present embodiment, the aforementioned tongue depressor 5 is located on the same axis as the aforementioned yarn feeding nozzle 221, and the tongue depressor bottom surface 52 of the tongue depressor 5 is located on the same plane as the yarn feeding nozzle bottom surface 2211 of the yarn feeding nozzle 221.
As shown in fig. 1, a presser plate 33 is fixed to a lower portion of the presser tongue plate base 3 on the side facing the guide rail 1 by a presser plate screw 331, and an upper surface of the presser plate 33 is in contact with a bottom surface of the guide rail 1. Preferably, a presser screw adjustment groove 34 is opened on the presser foot base 3 at a position corresponding to the aforementioned presser screw 331.
In the present embodiment, the aforementioned spatula 5 is made of metal.
When the computer flat knitting machine is in a working state, the yarn is fed by the yarn feeding nozzle 221, and the yarn is pressed by the yarn pressing tongue plate 5, so that the metal fiber yarn fed by the yarn feeding nozzle 221 is prevented from swelling (floating) upwards, and the knitting needle hook is ensured to be looped. In the actual use process, the yarn feeding nozzle guide rod 22 can be connected with the fixing rod 4 of the spatula through a connecting wire, so that the synchronism of yarn feeding and pressing is embodied.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and faithfully realizes the technical effects listed in the technical effect column by the applicant.
Claims (10)
1. A yarn pressing device of a computer flat knitting machine comprises a guide rail (1) and a yarn nozzle seat (2) which is arranged on the guide rail (1) in a left-right moving way, a pair of yarn mouth seat contact feet (21) with opposite directions are fixed at the upper part of the yarn mouth seat (2), the space between the pair of yarn mouth seat contact pins (21) is formed into a shuttle changing slide block cavity (211), a yarn feeding nozzle guide rod (22) is arranged at the lower part of the yarn feeding nozzle seat (2), a yarn feeding nozzle (221) is fixed at the lower part of the yarn feeding nozzle guide rod (22), it is characterized in that the yarn pressing device comprises a yarn pressing tongue plate seat (3), a yarn pressing tongue plate fixing rod (4) and a yarn pressing tongue plate (5), the yarn pressing tongue plate seat (3) is in sliding fit with the guide rail (1) at the position corresponding to the front side of the yarn nozzle seat (2), a pair of opposite-direction spatula base contact feet (31) are fixed at the upper part of the spatula base (3), the space between the contact feet (31) of the pair of spatula seats is formed into a reversing block matching cavity (311), the upper end of a spatula fixing rod (4) is fixed with the middle position of one side of the spatula seat (3) back to the guide rail (1), the lower end of the fixing rod (4) of the spatula extends to the lower part of the spatula seat (3), and the spatula (5) is fixed at the lower end of the fixing rod (4) of the spatula.
2. The yarn presser of a computer flat knitting machine according to claim 1, characterized in that a presser foot guide rail fitting groove (32) is formed at a side of said presser foot seat (3) facing said guide rail (1) and at a position corresponding to the guide rail (1), the presser foot guide rail fitting groove (32) being slidably fitted to the guide rail (1).
3. The yarn presser of a computerized flat knitting machine according to claim 2, characterized in that the cross-sectional shape of the presser foot guide engaging groove (32) is dovetail-shaped.
4. The yarn presser of a computerized flat knitting machine according to claim 1, wherein said pair of presser base feet (31) are each fixed to said presser base (3) by a pair of presser base foot fixing screws (312).
5. The yarn pressing device of a computer flat knitting machine according to claim 1, characterized in that a pair of adjusting guide grooves (41) are provided at intervals at the upper end of the yarn pressing tongue fixing rod (4), a yarn pressing tongue fixing rod screw (411) is provided on each of the adjusting guide grooves (41), and the yarn pressing tongue fixing rod screw (411) is fixed with the yarn pressing tongue seat (3); the lower end of the spatula fixing rod (4) is provided with a spatula fixing screw adjusting groove (42), and the spatula (5) is fixed with the lower end of the spatula fixing rod (4) at a position corresponding to the spatula fixing screw adjusting groove (42).
6. The yarn presser of a computerized flat knitting machine according to claim 5, characterized in that a tongue presser fixing rod fitting seat (51) extends from the upper portion of the tongue presser (5), a fixing rod fitting cavity (511) is formed at a side of the tongue presser fixing rod fitting seat (51) facing the tongue presser fixing rod (4), a fitting seat adjustment fixing groove (512) is formed on the tongue presser fixing rod fitting seat (51) at a position corresponding to the tongue presser fixing screw adjustment groove (42), a fitting seat adjustment fixing screw (5121) is provided on the fitting seat adjustment fixing groove (512), and the tongue presser fixing rod fitting seat (51) is fixed to the lower end of the tongue presser fixing rod (4) by passing the fitting seat adjustment fixing screw (5121) through the tongue presser fixing screw adjustment groove (42) and locked by a locking nut (51211) screwed to the end of the fitting seat adjustment fixing screw (5121).
7. The yarn presser device of a computer flat knitting machine according to claim 1, characterized in that the yarn presser plate (5) is on the same axis as the yarn feeding nozzle (221) and the bottom surface (52) of the yarn presser plate (5) is on the same plane as the bottom surface (2211) of the yarn feeding nozzle (221).
8. The yarn presser of a computer flat knitting machine according to claim 1, characterized in that a presser plate (33) is fixed to a lower portion of a side of the presser tongue base (3) facing the guide rail (1) by a presser plate screw (331), and an upper surface of the presser plate (33) is in contact with a bottom surface of the guide rail (1).
9. The yarn presser of a computerized flat knitting machine according to claim 8, wherein a presser screw adjustment groove (34) is formed in said presser foot seat (3) at a position corresponding to said presser screw (331).
10. A presser device for a computer-controlled flat knitting machine according to claim 6 or 7, characterized in that said presser plate (5) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951010.7A CN107475883B (en) | 2017-10-13 | 2017-10-13 | Yarn pressing device of computer flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951010.7A CN107475883B (en) | 2017-10-13 | 2017-10-13 | Yarn pressing device of computer flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107475883A CN107475883A (en) | 2017-12-15 |
| CN107475883B true CN107475883B (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710951010.7A Active CN107475883B (en) | 2017-10-13 | 2017-10-13 | Yarn pressing device of computer flat knitting machine |
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| CN (1) | CN107475883B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281047A (en) * | 2018-11-30 | 2019-01-29 | 广州赫伽力智能科技有限公司 | A kind of efficiently pressure yarn machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3843837A1 (en) * | 1988-12-24 | 1990-07-05 | Stefan Porkert | Flat knitting machine, especially automatic flat knitting machine |
| JPH0450349A (en) * | 1990-06-11 | 1992-02-19 | Amou Seni Kiki Kk | Automatic selvedge-drawing device attached to filling knitting machine |
| DE19538081C2 (en) * | 1995-10-12 | 2003-01-09 | Gebr Achter Gmbh & Co Kg | Device and method for producing knitwear with integrated weft and / or warp threads |
| JP2008095217A (en) * | 2006-10-06 | 2008-04-24 | Shima Seiki Mfg Ltd | End yarn inserting apparatus |
| CN201176498Y (en) * | 2008-04-01 | 2009-01-07 | 常熟市金龙机械有限公司 | Applique yarn guide and guiding rail used for installing the applique yarn guide |
| CN203128795U (en) * | 2012-10-08 | 2013-08-14 | 汕头市连兴实业有限公司 | Yarn pressing device of computerized flat knitting machine |
| CN204080318U (en) * | 2014-09-22 | 2015-01-07 | 宁波慈星股份有限公司 | Pressing leg seat device in flat machine |
| CN106149188B (en) * | 2016-09-14 | 2017-09-26 | 江苏金龙科技股份有限公司 | The inlaid thread Yarn carrier holder of computer plain flat knitter |
| CN207313844U (en) * | 2017-10-13 | 2018-05-04 | 江苏金龙科技股份有限公司 | The yarn pressing device of computer plain flat knitter |
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2017
- 2017-10-13 CN CN201710951010.7A patent/CN107475883B/en active Active
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| Publication number | Publication date |
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| CN107475883A (en) | 2017-12-15 |
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