CN108193373B - Method and device for preventing hook yarn from knitting in loop for warp knitting machine - Google Patents
Method and device for preventing hook yarn from knitting in loop for warp knitting machine Download PDFInfo
- Publication number
- CN108193373B CN108193373B CN201810268694.5A CN201810268694A CN108193373B CN 108193373 B CN108193373 B CN 108193373B CN 201810268694 A CN201810268694 A CN 201810268694A CN 108193373 B CN108193373 B CN 108193373B
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- needle
- guide bar
- yarn
- bar
- guide
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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
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/28—Devices for lubricating machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention discloses a method and a device for preventing hook yarn from looping and knitting of a warp knitting machine, comprising the following steps: (a) Each guide bar in the guide bar mechanism swings backwards from the most front position of the machine, and simultaneously, the groove needles ascend, and at least one looping guide bar and at least two weft insertion guide bars carry out needle backing yarn; (b) After at least one looping guide bar and at least two weft insertion guide bars finish needle back yarn-laying, at least one looping guide bar carries out needle front shogging, each guide bar in the guide bar mechanism continues to swing until the back-most position, and then swings forwards, and at least one looping guide bar carries out needle front yarn-laying; (c) After at least one looping guide bar finishes the front needle yarn-filling, when the groove needle starts to descend and gradually descends to the needle core sealing position, at least two weft insertion guide bars are always positioned at the front position of the groove needle; (d) When the grooved needle descends to the looper position, each bar swings to the foremost position and carries out needle back shogging, and then enters the next cycle. The invention can effectively prevent the yarn of the weft insertion guide bar from entering the groove needle hook.
Description
Technical Field
The invention relates to a method and a device for loop knitting of a warp knitting machine, in particular to a method and a device for loop knitting of a warp knitting machine for preventing hook yarns, belonging to the technical field of warp knitting technology and equipment.
Background
When the existing warp knitting machine is used for knitting in a looping mode, a plurality of guide bars simultaneously move from the front to the back of the machine and then move from the back to the front of the machine in a reciprocating and circulating mode, the guide bars comprise at least one looping guide bar and at least two weft insertion guide bars, and in the swinging process of each guide bar, a groove needle realizes needle front needle back yarn padding, so that the general technological requirements are met. However, for some special and complex processes, the simple guide bar swings back and forth, the yarn guide needle of the weft insertion guide bar often enters the guide bar in the process of yarn backing before the guide bar needle, so that the yarn of the weft insertion guide bar enters the guide bar needle hook, and in the process of movement of the guide bar, the accident of hooking the yarn of the weft insertion guide bar often occurs, so that the yarn breakage of the weft insertion guide bar is serious, and the quality of fabric is reduced, and even normal knitting cannot be performed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for preventing the warp knitting machine from hooking yarn and knitting in the loop knitting process, which can effectively prevent the yarn of the weft insertion guide bar from entering the groove needle hook. The invention also provides a device for preventing the warp knitting machine from hooking yarn and knitting loop, which can effectively prevent the yarn of the weft insertion guide bar from entering the groove needle hook.
In order to solve the technical problems, the invention adopts a method for preventing hook yarn from knitting into loops of a warp knitting machine, the warp knitting machine comprises a loop forming mechanism and a guide bar mechanism, the loop forming mechanism comprises a groove needle, a needle core and a loop removing needle, the guide bar mechanism comprises at least one loop forming guide bar and at least two weft insertion guide bars, and the method comprises the following steps:
(a) Each guide bar in the guide bar mechanism swings backwards from the front-most position, and simultaneously, the groove needles ascend, and at least one looping guide bar and at least two weft insertion guide bars perform needle backing yarn;
(b) After the at least one looping guide bar and the at least two weft insertion guide bars finish needle back yarn-laying, the at least one looping guide bar moves forward and transversely, each guide bar in the guide bar mechanism continues to swing until the back-most position, and then swings forward, and the at least one looping guide bar carries out needle front yarn-laying;
(c) After the front needle yarn-filling of the at least one looping guide bar is finished, the groove needle starts to descend and gradually descends to the needle core sealing position, and the at least two weft insertion guide bars are always positioned at the front position of the groove needle;
(d) When the groove needle descends to the looper position, each guide bar in the guide bar mechanism swings to the foremost position and carries out needle back shogging, and then the next cycle is carried out.
In order to solve the technical problems, the invention adopts the device for preventing the warp knitting machine from hooking yarns and looping knitting, which comprises a transmission main shaft, an eccentric wheel, an eccentric sleeve connecting rod, a V-shaped connecting rod, an oil tank output rod, a guide bar swing arm, a guide bar swing shaft, a guide bar seat, at least one looping guide bar and at least two weft insertion guide bars, wherein the transmission main shaft is rotatably arranged in a warp knitting machine oil tank; the lower extreme suit of eccentric sleeve connecting rod is in on the eccentric wheel, the upper left end of V-arrangement connecting rod is rotated with the upper end of eccentric sleeve connecting rod and is connected, the bottom of V-arrangement connecting rod is rotated with the warp knitting machine frame and is connected, the upper right end of V-arrangement connecting rod with the lower extreme of oil tank output pole is rotated and is connected, the upper end of oil tank output pole with the right-hand member of sley bar swing arm is rotated and is connected, the left end of sley bar swing arm with sley bar pendulum shaft fixed connection, the sley bar pendulum shaft rotationally installs in the warp knitting machine frame, sley bar seat fixed mounting is in on the sley bar pendulum shaft, at least one loop forming sley bar and at least two weft insertion sley bars are installed on the sley bar seat, the distance between the guide needle of loop forming sley bar and the guide needle of adjacent weft insertion sley bar is 5mm at least.
In the invention, a bearing is arranged between the lower end of the eccentric sleeve connecting rod and the eccentric wheel, and the lower end of the eccentric sleeve connecting rod is sleeved on the eccentric wheel through the bearing.
After the looping knitting method and the device are adopted, the invention has the following beneficial effects:
according to the loop knitting method and device, the swing amplitude of the guide bar is increased, the arrangement of the guide bar is changed, and the needle core and the groove needle are sealed before the yarn guide needle of the weft insertion guide bar enters the groove needle, so that the yarn of the weft insertion guide bar cannot enter the needle hook of the groove needle, normal knitting of equipment is effectively ensured, and the quality of fabric is improved.
The loop knitting method and the loop knitting device adopted by the invention can ensure that the yarn of the weft insertion guide bar cannot enter the needle hook of the slot needle even if the slot needle is deformed by the yarn.
The looping knitting device adopted by the invention has simple structure and convenient implementation.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
FIG. 1 is a schematic drawing showing the knitting of step (a) in the method for loop knitting of the hook yarn of the warp knitting machine of the present invention.
FIG. 2 is a schematic drawing showing the knitting of step (b) in the method for loop knitting of the hook yarn of the warp knitting machine of the present invention.
FIG. 3 is a schematic drawing showing the knitting of step (c) in the method for loop knitting of the hook yarn of the warp knitting machine of the present invention.
FIG. 4 is a schematic diagram of the knitting of step (d) in the method of loop knitting of the hook preventing yarn of the warp knitting machine of the present invention.
FIG. 5 is a schematic view showing a structure of a device for preventing loop knitting of a hook yarn of a warp knitting machine according to the present invention.
Fig. 6 is an enlarged view at a in fig. 5.
Detailed Description
Referring to fig. 1 to 4, a method for loop knitting of anti-hook yarn of a warp knitting machine, the warp knitting machine including a loop forming mechanism including a groove needle 10, a needle core 11 and a looper needle 12, the loop forming mechanism including at least one loop forming guide bar 8 and at least two weft insertion guide bars 9, the loop forming guide bar 8 being used for binding weft yarns, the loop forming mechanism further including a ground guide bar, a jacquard guide bar, etc., not shown, the method comprising the steps of:
(a) Each guide bar in the guide bar mechanism swings backwards from the most front position, and simultaneously the groove needle 10 ascends, and the at least one looping guide bar 8 and the at least two weft insertion guide bars 9 perform needle backing yarn, as shown in fig. 1;
(b) After the at least one looping guide bar 8 and the at least two weft insertion guide bars 9 finish needle backing yarn, the at least one looping guide bar 8 moves forward and transversely, each guide bar in the guide bar mechanism continues to swing to the rearmost position and then swings forward, and the at least one looping guide bar 8 carries out needle backing yarn as shown in fig. 2;
(c) After the at least one looping guide bar 8 finishes the pre-needle yarn-laying, when the groove needle 10 starts to descend and gradually descends to the sealing position of the needle core 11, the at least two weft insertion guide bars 9 are always positioned at the pre-needle position of the groove needle, as shown in fig. 3;
(d) When the groove needle 10 is lowered to the looper position, each bar in the bar mechanism swings to the foremost position and makes a needle back shogging, and then enters the next cycle as shown in fig. 4.
After the method is adopted, the guide bar swing amplitude is increased, so that the needle core 11 and the groove needle 10 are sealed before the yarn guide needle 9a of the weft insertion guide bar 9 enters the groove needle 10, and the yarn of the weft insertion guide bar 9 cannot enter a groove needle hook.
Referring to FIGS. 5 and 6, a device for preventing loop knitting of hook yarn of warp knitting machine comprises a transmission main shaft A rotatably installed in a tank of a warp knitting machine by a bearing 0 Is fixedly arranged on the transmission main shaft A through a half or expansion sleeve 0 The device comprises an eccentric wheel 1, an eccentric sleeve connecting rod 2, a V-shaped connecting rod 3, an oil tank output rod 4, a guide bar swing arm 5, a guide bar swing shaft 6, a guide bar seat 7, at least one looping guide bar 8 and at least two weft insertion guide bars 9, wherein yarn guide needles are arranged at the bottoms of the looping guide bar 8 and the weft insertion guide bars 9; the lower end 2a of the eccentric sleeve connecting rod 2 is sleeved on the eccentric wheel 1, the left upper end 3a of the V-shaped connecting rod 3 is rotationally connected with the upper end 2b of the eccentric sleeve connecting rod 2 through a bearing, the bottom end 3c of the V-shaped connecting rod 3 is rotationally connected with a warp knitting machine frame through a bearing, the right upper end 3b of the V-shaped connecting rod 3 is rotationally connected with the lower end of the oil tank output rod 4 through a bearing, the upper end of the oil tank output rod 4 is rotationally connected with the right end of the guide bar swinging arm 5 through a bearing, the left end of the guide bar swinging arm 5 is fixedly connected with the guide bar swinging shaft 6 through a half or a tensioning sleeve, the guide bar swinging shaft 6 is rotationally installed on the warp knitting machine frame through a bearing, the guide bar seat 7 is fixedly installed on the guide bar swinging shaft 6 through a bolt, at least one looping guide bar 8 and at least two guide bar seats 9 are installed on the guide bar seat 7 through bolts, and the guide bar seat and the like can be installed on the guide bar seat 7 through a half or the guide bar swinging shaft 6; the distance D between the guide needle 8a of the looping bar 8 and the guide needle 9a of the adjacent weft insertion bar 9 is at least 5mm, for example the distance D may be chosen to be 5 or 8 or 10 or 20 mm, etc.
In the invention, a bearing is arranged between the lower end 2a of the eccentric sleeve connecting rod 2 and the eccentric wheel 1, and the lower end 2a of the eccentric sleeve connecting rod 2 is sleeved on the eccentric wheel 1 through the bearing.
After the device is adopted, the swing amplitude of the guide bar is increased, the arrangement of the guide bar is changed, and the needle core and the groove needle are sealed before the yarn guide needle 9a of the weft insertion guide bar 9 enters the groove needle, so that the yarn of the weft insertion guide bar 9 cannot enter a groove needle hook.
Through trial, the invention effectively prevents yarns of the weft insertion guide bar from entering the groove needle hook, ensures normal production and improves the quality of fabrics.
Claims (3)
1. A method of preventing loop knitting of a hook yarn of a warp knitting machine, the warp knitting machine comprising a loop forming mechanism and a bar mechanism, the loop forming mechanism comprising a grooved needle (10), a core (11) and a looper needle (12), the bar mechanism comprising at least one loop forming bar (8) and at least two weft insertion bars (9), characterized in that the method comprises the steps of:
(a) Each guide bar in the guide bar mechanism swings backwards from the most front position of the machine, and simultaneously a slot needle (10) rises, and at least one looping guide bar (8) and at least two lining guide bars (9) carry out needle backing yarn;
(b) After the at least one looping guide bar (8) and the at least two weft insertion guide bars (9) finish needle back yarn-laying, the at least one looping guide bar (8) carries out needle front shogging, each guide bar in the guide bar mechanism continues to swing to the rearmost position and then swings forwards, and the at least one looping guide bar (8) carries out needle front yarn-laying;
(c) After the at least one looping guide bar (8) finishes the front needle yarn-laying, when the groove needle (10) starts to descend and gradually descends to the sealing position of the needle core (11), the at least two weft insertion guide bars (9) are always positioned at the front position of the groove needle;
(d) When the groove needle (10) descends to the looper position, each guide bar in the guide bar mechanism swings to the foremost position and carries out needle back shogging, and then the next cycle is carried out.
2. By adoptingThe apparatus for preventing loop knitting of hook yarn in warp knitting machine according to the method of claim 1, characterized in that: comprising a transmission main shaft (A) rotatably mounted in a warp knitting machine oil tank 0 ) Is fixedly arranged on the transmission main shaft (A 0 ) The yarn guide device comprises an eccentric wheel (1), an eccentric sleeve connecting rod (2), a V-shaped connecting rod (3), an oil tank output rod (4), a guide bar swing arm (5), a guide bar swing shaft (6), a guide bar seat (7), at least one looping guide bar (8) and at least two weft insertion guide bars (9), wherein yarn guide needles are arranged at the bottoms of the looping guide bar (8) and the weft insertion guide bars (9); the lower extreme (2 a) suit of eccentric cover connecting rod (2) is in on eccentric wheel (1), the upper left end (3 a) of V-arrangement connecting rod (3) is rotated with upper end (2 b) of eccentric cover connecting rod (2) and is connected, bottom (3 c) and the warp knitting machine frame of V-arrangement connecting rod (3) rotate and are connected, the upper right end (3 b) of V-arrangement connecting rod (3) with the lower extreme of oil tank output rod (4) rotates and is connected, the upper end of oil tank output rod (4) with the right-hand member of sley arm (5) rotates and is connected, the left end of sley arm (5) with sley bar pendulum shaft (6) fixed connection, sley bar pendulum shaft (6) rotationally install in warp knitting machine frame, bar seat (7) fixed mounting is in on sley bar pendulum shaft (6), at least one set up sley bar (8) and two sley bar guide 9 install sley bar seat (7) are sley bar guide needle (9) and are between sley bar seat (8) and thread guide bar guide needle (9) at least.
3. The device for preventing loop knitting of hook yarn of warp knitting machine according to claim 2, characterized in that: a bearing is arranged between the lower end (2 a) of the eccentric sleeve connecting rod (2) and the eccentric wheel (1), and the lower end (2 a) of the eccentric sleeve connecting rod (2) is sleeved on the eccentric wheel (1) through the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268694.5A CN108193373B (en) | 2018-03-29 | 2018-03-29 | Method and device for preventing hook yarn from knitting in loop for warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268694.5A CN108193373B (en) | 2018-03-29 | 2018-03-29 | Method and device for preventing hook yarn from knitting in loop for warp knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108193373A CN108193373A (en) | 2018-06-22 |
| CN108193373B true CN108193373B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810268694.5A Active CN108193373B (en) | 2018-03-29 | 2018-03-29 | Method and device for preventing hook yarn from knitting in loop for warp knitting machine |
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| CN (1) | CN108193373B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318153B (en) * | 2019-08-08 | 2024-03-22 | 常州市鑫辉网具有限公司 | Warp knitting machine for braiding grass-binding net |
| CN113026194B (en) * | 2021-03-04 | 2022-06-21 | 常州市鑫辉网具有限公司 | Guide bar moving method and device of straw bundling net warp knitting machine and straw bundling net warp knitting machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB470783A (en) * | 1936-02-21 | 1937-08-23 | James Morton | Improvements in knitting machinery |
| CN1224780A (en) * | 1998-01-17 | 1999-08-04 | 卡尔迈尔纺织机械制造有限公司 | Warp knitting machine, method for producing jacquard warp-knitted figured cloth and jacquard warp-knitted figured cloth |
| CN1240845A (en) * | 1998-06-26 | 2000-01-12 | 卡尔迈尔纺织机械制造有限公司 | Warp knitting machine |
| DE102005013214A1 (en) * | 2005-03-20 | 2006-09-28 | Peter Dipl.-Ing. Scheibner | Warp knitting arrangement for making double-sided plain loop pile plush fabric includes two peg bars associated two needle bars and timed to hold the loops |
| CN2915903Y (en) * | 2005-08-12 | 2007-06-27 | 卡尔迈耶纺织机械有限公司 | Looping mechanism for warp knitting machine |
| CN101225577A (en) * | 2008-02-25 | 2008-07-23 | 常州市第八纺织机械有限公司 | Multi-bar dual-purpose warp knitting machine |
| CN104213326A (en) * | 2014-09-26 | 2014-12-17 | 江苏润源控股集团有限公司 | Knitting mechanism of high-speed warp knitting machine |
| CN204138883U (en) * | 2014-10-13 | 2015-02-04 | 江苏润源控股集团有限公司 | A kind of knitting mechanism of warp knitting machine |
| CN106929995A (en) * | 2017-05-11 | 2017-07-07 | 信泰(福建)科技有限公司 | A kind of improved warp knit weaving method |
| CN208183225U (en) * | 2018-03-29 | 2018-12-04 | 王占洪 | A kind of anti-yarn hook lopping braiding device of tricot machine |
-
2018
- 2018-03-29 CN CN201810268694.5A patent/CN108193373B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB470783A (en) * | 1936-02-21 | 1937-08-23 | James Morton | Improvements in knitting machinery |
| CN1224780A (en) * | 1998-01-17 | 1999-08-04 | 卡尔迈尔纺织机械制造有限公司 | Warp knitting machine, method for producing jacquard warp-knitted figured cloth and jacquard warp-knitted figured cloth |
| CN1240845A (en) * | 1998-06-26 | 2000-01-12 | 卡尔迈尔纺织机械制造有限公司 | Warp knitting machine |
| DE102005013214A1 (en) * | 2005-03-20 | 2006-09-28 | Peter Dipl.-Ing. Scheibner | Warp knitting arrangement for making double-sided plain loop pile plush fabric includes two peg bars associated two needle bars and timed to hold the loops |
| CN2915903Y (en) * | 2005-08-12 | 2007-06-27 | 卡尔迈耶纺织机械有限公司 | Looping mechanism for warp knitting machine |
| CN101225577A (en) * | 2008-02-25 | 2008-07-23 | 常州市第八纺织机械有限公司 | Multi-bar dual-purpose warp knitting machine |
| CN104213326A (en) * | 2014-09-26 | 2014-12-17 | 江苏润源控股集团有限公司 | Knitting mechanism of high-speed warp knitting machine |
| CN204138883U (en) * | 2014-10-13 | 2015-02-04 | 江苏润源控股集团有限公司 | A kind of knitting mechanism of warp knitting machine |
| CN106929995A (en) * | 2017-05-11 | 2017-07-07 | 信泰(福建)科技有限公司 | A kind of improved warp knit weaving method |
| CN208183225U (en) * | 2018-03-29 | 2018-12-04 | 王占洪 | A kind of anti-yarn hook lopping braiding device of tricot machine |
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| CN108193373A (en) | 2018-06-22 |
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