CN109576886B - Yarn clamping mechanism of automatic yarn changer - Google Patents
Yarn clamping mechanism of automatic yarn changer Download PDFInfo
- Publication number
- CN109576886B CN109576886B CN201910064699.0A CN201910064699A CN109576886B CN 109576886 B CN109576886 B CN 109576886B CN 201910064699 A CN201910064699 A CN 201910064699A CN 109576886 B CN109576886 B CN 109576886B
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- China
- Prior art keywords
- yarn
- air
- channel
- clamping mechanism
- air flow
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- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 5
- 238000009940 knitting Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- D04B15/58—Thread guides for circular knitting machines; Thread-changing devices
- D04B15/60—Thread guides for circular knitting machines; Thread-changing devices with thread-clamping or -severing devices
Abstract
The invention relates to the technical field of knitting machines, in particular to a yarn clamping mechanism of an automatic yarn changer. Including the fixture main part, be equipped with yarn passageway, air current passageway and working chamber in the fixture main part respectively, the entrance point of air current passageway forms the air inlet, the exit end of air current passageway is connected with the exit end of yarn passageway and is formed the yarn mouth, the working chamber link up mutually with yarn passageway and air current passageway respectively, be equipped with spring clamp plate from top to bottom in the working chamber in proper order, press from top to bottom, press from both sides yarn slider, slide air valve switch, be equipped with the yarn spring that presses between spring clamp plate and the yarn slider, be equipped with the external force action pole on the slide air valve switch, be equipped with in the fixture main part with external force action pole complex slip slot hole, external force action pole drives slide air valve switch under the external force and slides from top to bottom in the working chamber, thereby open or close yarn passageway and air current passageway. The invention has simple structure, can effectively clamp one or more yarns, realizes the simultaneous clamping of a plurality of yarns, and prevents yarn flying phenomenon.
Description
Technical Field
The invention relates to the technical field of knitting machines, in particular to a yarn clamping mechanism of an automatic yarn changer.
Background
The yarn clamping device of the traditional yarn changer is in an integrated form of clamping and cutting yarns, yarns are clamped when being cut, only one yarn can be clamped due to the limitation of the structure of the yarn clamping device, if a plurality of yarns need to be clamped, a plurality of groups of yarn clamping and cutting devices are arranged, in the actual production process, the phenomenon that the yarn clamping and cutting devices cut yarns just contacting the yarns usually exists when the yarns are clamped, the yarn clamping function cannot be realized, and yarn flying is caused.
Disclosure of Invention
The present invention aims to solve the above-mentioned problems, and thereby to provide a yarn clamping mechanism of an automatic yarn changer capable of effectively clamping one or more yarns simultaneously.
The invention solves the problems, and adopts the following technical scheme:
the yarn clamping mechanism of the automatic yarn changer comprises a clamping mechanism main body, wherein a yarn channel, an air flow channel and a working cavity are respectively arranged on the clamping mechanism main body, an air inlet is formed at the inlet end of the air flow channel, an outlet end of the air flow channel is connected with the outlet end of the yarn channel to form a yarn discharging port, the working cavity is respectively communicated with the yarn channel and the air flow channel, a spring pressing plate, a yarn clamping sliding block and a sliding air valve switch are sequentially arranged in the working cavity from top to bottom, a yarn pressing spring is arranged between the spring pressing plate and the yarn clamping sliding block, an external force acting rod is arranged on the sliding air valve switch, and a sliding long hole matched with the external force acting rod is formed in the clamping mechanism main body; the external force action rod drives the sliding air valve switch to slide up and down in the working cavity under the action of external force, so that the yarn channel and the air flow channel are opened or closed; when the yarn channel and the air flow channel are opened, compressed air enters the air flow channel from the air inlet so as to form negative pressure in the yarn channel, external yarns are sucked into the yarn channel from the inlet end of the yarn channel, and waste yarn heads are discharged from the yarn discharge port; when the yarn channel and the air flow channel are closed, the yarn clamping sliding block is matched with the sliding air valve switch under the action of the yarn pressing spring to clamp the yarn sucked into the yarn channel.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the yarn clamping device has the advantages that the structure is simple, one or more yarns can be effectively clamped, the simultaneous clamping of a plurality of yarns is realized, yarn flying phenomenon is prevented, the yarn diameter of each yarn is not limited, the yarn clamping is firm and reliable, the size is small, and the yarn clamping device can be matched with various yarn changers.
Preferably, the invention further adopts the technical scheme that:
the sliding air valve switch is provided with an air vent groove, and when the sliding air valve switch slides downwards to open the yarn channel and the air flow channel, compressed air in the air flow channel passes through a gap formed between the clamping mechanism main body and the air vent groove.
The air inlet and the air outlet of the clamping mechanism main body are respectively provided with an air inlet nozzle and an air outlet nozzle.
An air inlet nozzle is arranged at the air inlet position of the clamping mechanism main body, an air outlet pipe is arranged at the yarn outlet position of the clamping mechanism main body, and the air outlet pipe is fixed in the yarn channel through a thread structure and forms a gap for air in the air flow channel to pass through with the clamping mechanism main body.
Drawings
FIG. 1 is a schematic diagram of the sliding air valve switch according to embodiment 1 of the present invention;
FIG. 2 is a schematic side elevational view of FIG. 1;
FIG. 3 is a schematic diagram of the sliding air valve switch of embodiment 1 of the present invention;
FIG. 4 is a schematic side elevational view of FIG. 3;
fig. 5 is a schematic structural view of a clamping mechanism body in embodiment 1 of the present invention;
FIG. 6 is a schematic side elevational view of FIG. 5;
FIG. 7 is a schematic view showing the structure of an external force acting lever in embodiment 1 of the present invention;
FIG. 8 is a schematic side elevational view of FIG. 7;
FIG. 9 is a schematic diagram of the sliding air valve switch according to embodiment 2 of the present invention;
FIG. 10 is a schematic side elevational view of FIG. 9;
FIG. 11 is a schematic diagram of the sliding air valve switch of embodiment 2 of the present invention;
FIG. 12 is a schematic side elevational view of FIG. 11;
in the figure: a clamping mechanism body 1; a sliding air valve switch 2; a yarn clamping slide block 3; a yarn pressing spring 4; a spring pressing plate 5; an external force action lever 6; a ventilation groove 7; an air inlet nozzle 8; an exhaust nozzle 9; a yarn channel 10; an air flow passage 11; a yarn 12; waste yarn end 13; a working chamber 14; a slide long hole 15; and a yarn discharge tube 16.
The specific embodiment is as follows:
the invention is further described below in connection with the following examples which are provided for the purpose of better understanding of the present invention and are, therefore, not to be construed as limiting the scope of the invention.
Example 1:
referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, a yarn clamping mechanism of an automatic yarn changer comprises a clamping mechanism main body 1, wherein a yarn channel 10, an air flow channel 11 and a working cavity 14 are respectively arranged on the clamping mechanism main body 1, an air inlet is formed at the inlet end of the air flow channel 11, an outlet end of the air flow channel 11 is connected with an outlet end of the yarn channel 10 to form a yarn discharging port, the working cavity 14 is respectively communicated with the yarn channel 10 and the air flow channel 11, a spring pressing plate 15, a yarn clamping sliding block 3 and a sliding air valve switch 2 are sequentially arranged in the working cavity 14 from top to bottom, a yarn pressing spring 4 is arranged between the spring pressing plate 5 and the yarn clamping sliding block 3, the spring pressing plate 5 is fixed in the clamping mechanism main body 1 through bolts, an external force acting rod 6 is arranged on the sliding air valve switch 2, and a sliding long hole 15 matched with the external force acting rod 6 is arranged on the clamping mechanism main body 1; the external force action rod 6 drives the sliding air valve switch 2 to slide up and down in the working cavity 14 under the action of external force, so that the yarn channel 10 and the air flow channel 11 are opened or closed; when the yarn passage 10 and the air flow passage 11 are opened, compressed air enters the air flow passage 11 from the air inlet to form a negative pressure in the yarn passage 10, the external yarn 12 is sucked into the yarn passage 10 from the inlet end of the yarn passage 10, and the waste yarn end 13 is discharged from the yarn discharge port; when the yarn channel 10 and the air flow channel 11 are closed, the yarn clamping slider 3 is matched with the sliding air valve switch 2 under the action of the yarn pressing spring 4 to clamp the yarn 12 sucked into the yarn channel 10.
The sliding air valve switch 2 is provided with an air vent 7, and when the sliding air valve switch 2 slides down to open the yarn passage 10 and the air flow passage 11, compressed air in the air flow passage 11 passes through a gap formed between the clamping mechanism body 1 and the air vent 7.
The air inlet nozzle 8 and the air outlet nozzle 9 are respectively arranged at the air inlet and the yarn outlet of the clamping mechanism main body 1.
The working process comprises the following steps:
referring to fig. 1 and 2, the sliding air valve switch 2 is provided with an air vent 7 and an external force acting rod 6, the external force acting rod 6 arranged on the sliding air valve switch 2 opens the yarn channel 10 and the air flow channel 11 under the control of an external mechanism, compressed air enters the air flow channel 11 from an air inlet to form negative pressure in the yarn channel 10, external yarn 12(s) are sucked into the yarn channel 10 from a yarn inlet of the yarn channel 10, and waste yarn heads 13 are discharged from a yarn outlet; referring to fig. 3 and 4, the external force acting rod 6 mounted on the sliding air valve switch 2 is closed under the control of an external mechanism, so that the yarn channel 10 and the air flow channel 11 are synchronously closed, and the yarn 12 sucked into the yarn channel 10 is clamped under the cooperation of the yarn clamping slider 3 and the yarn pressing spring 4.
Example 2:
referring to fig. 9, 10, 11 and 12, the structure of the clamp mechanism is different from that of embodiment 1 in that a yarn discharging tube 16 is provided at a yarn discharging port of the clamp mechanism body 1, and the yarn discharging tube 16 is fixed in the yarn channel 10 by a screw structure and forms a gap with the clamp mechanism body 1 for passing air in the air flow channel 11.
The yarn clamping device is simple in structure, can effectively clamp one or more yarns, can clamp a plurality of yarns simultaneously, prevents yarn flying phenomenon from happening, is free from limit of the yarn diameter of each yarn, is firm and reliable in yarn clamping, is small in size, and can be used in cooperation with various yarn changers.
The foregoing description of the preferred embodiments of the invention is not intended to limit the scope of the claims, but rather to cover all equivalent modifications within the scope of the present invention as defined by the appended claims.
Claims (2)
1. The utility model provides an automatic yarn fixture of yarn ware trades, includes fixture main part, its characterized in that: the yarn clamping mechanism comprises a clamping mechanism body, a yarn channel, an air flow channel and a working cavity, wherein the yarn channel, the air flow channel and the working cavity are respectively arranged on the clamping mechanism body, an air inlet is formed at the inlet end of the air flow channel, an outlet end of the air flow channel is connected with the outlet end of the yarn channel to form a yarn discharging port, the working cavity is respectively communicated with the yarn channel and the air flow channel, a spring pressing plate, a yarn clamping sliding block and a sliding air valve switch are sequentially arranged in the working cavity from top to bottom, a yarn pressing spring is arranged between the spring pressing plate and the yarn clamping sliding block, an external force acting rod is arranged on the sliding air valve switch, and a sliding long hole matched with the external force acting rod is formed in the clamping mechanism body; the external force action rod drives the sliding air valve switch to slide up and down in the working cavity under the action of external force, so that the yarn channel and the air flow channel are opened or closed; when the yarn channel and the air flow channel are opened, compressed air enters the air flow channel from the air inlet so as to form negative pressure in the yarn channel, external yarns are sucked into the yarn channel from the inlet end of the yarn channel, and waste yarn heads are discharged from the yarn discharge port; when the yarn channel and the air flow channel are closed, the yarn clamping slide block is matched with the sliding air valve switch under the action of the yarn pressing spring to clamp the yarn sucked into the yarn channel;
the sliding air valve switch is provided with an air vent groove, and when the sliding air valve switch slides downwards to open the yarn channel and the air flow channel, compressed air in the air flow channel passes through a gap formed between the clamping mechanism main body and the air vent groove;
the air inlet and the air outlet of the clamping mechanism main body are respectively provided with an air inlet nozzle and an air outlet nozzle.
2. Yarn gripping assembly for an automatic yarn changer as in claim 1 wherein: an air inlet nozzle is arranged at the air inlet position of the clamping mechanism main body, an air outlet pipe is arranged at the yarn outlet position of the clamping mechanism main body, and the air outlet pipe is fixed in the yarn channel through a thread structure and forms a gap for air in the air flow channel to pass through with the clamping mechanism main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064699.0A CN109576886B (en) | 2019-01-23 | 2019-01-23 | Yarn clamping mechanism of automatic yarn changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064699.0A CN109576886B (en) | 2019-01-23 | 2019-01-23 | Yarn clamping mechanism of automatic yarn changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109576886A CN109576886A (en) | 2019-04-05 |
| CN109576886B true CN109576886B (en) | 2024-02-13 |
Family
ID=65917928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064699.0A Active CN109576886B (en) | 2019-01-23 | 2019-01-23 | Yarn clamping mechanism of automatic yarn changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109576886B (en) |
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|---|---|---|---|---|
| CN1505709A (en) * | 2001-05-21 | 2004-06-16 | Ƥ��ŵ�ɷ�����˾ | Thread clamp for a weaving machine and weaving machine comprising such thread clamp |
| CN1590616A (en) * | 2002-10-15 | 2005-03-09 | 村田机械株式会社 | Yarn-processing system |
| CN1705779A (en) * | 2002-10-13 | 2005-12-07 | 株式会社松崎矩阵技术 | Yarn-supplying apparatus in knitting machine |
| CN101597834A (en) * | 2008-06-03 | 2009-12-09 | 洪荣豪 | The Yarn cutter clamping mechanism of yarn changing apparatus |
| CN201567425U (en) * | 2009-12-24 | 2010-09-01 | 魏志亮 | Open type color changing head yarn replacing device |
| TW201043744A (en) * | 2009-06-04 | 2010-12-16 | rong-hao Hong | Yarn carrier of circular knitting machine |
| CN202000074U (en) * | 2011-01-19 | 2011-10-05 | 魏志亮 | Upright color changing head improvement structure |
| CN202380162U (en) * | 2011-12-26 | 2012-08-15 | 苏州长风纺织机电科技有限公司 | Air suction type yarn traction device |
| CN108360135A (en) * | 2018-05-15 | 2018-08-03 | 唐山雾谷机电设备有限公司 | Cut yarn driving structure |
| CN108374232A (en) * | 2018-05-15 | 2018-08-07 | 唐山雾谷机电设备有限公司 | Select yarn control structure |
| CN109205395A (en) * | 2017-06-30 | 2019-01-15 | 索若德国两合股份有限公司 | Yarn splicing device for air-flow engagement yarn and thread head |
| CN209584504U (en) * | 2019-01-23 | 2019-11-05 | 唐山雾谷机电设备有限公司 | The thread grip mechanism of automatic yarn-changing device |
-
2019
- 2019-01-23 CN CN201910064699.0A patent/CN109576886B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1505709A (en) * | 2001-05-21 | 2004-06-16 | Ƥ��ŵ�ɷ�����˾ | Thread clamp for a weaving machine and weaving machine comprising such thread clamp |
| CN1705779A (en) * | 2002-10-13 | 2005-12-07 | 株式会社松崎矩阵技术 | Yarn-supplying apparatus in knitting machine |
| CN1590616A (en) * | 2002-10-15 | 2005-03-09 | 村田机械株式会社 | Yarn-processing system |
| CN101597834A (en) * | 2008-06-03 | 2009-12-09 | 洪荣豪 | The Yarn cutter clamping mechanism of yarn changing apparatus |
| TW201043744A (en) * | 2009-06-04 | 2010-12-16 | rong-hao Hong | Yarn carrier of circular knitting machine |
| CN201567425U (en) * | 2009-12-24 | 2010-09-01 | 魏志亮 | Open type color changing head yarn replacing device |
| CN202000074U (en) * | 2011-01-19 | 2011-10-05 | 魏志亮 | Upright color changing head improvement structure |
| CN202380162U (en) * | 2011-12-26 | 2012-08-15 | 苏州长风纺织机电科技有限公司 | Air suction type yarn traction device |
| CN109205395A (en) * | 2017-06-30 | 2019-01-15 | 索若德国两合股份有限公司 | Yarn splicing device for air-flow engagement yarn and thread head |
| CN108360135A (en) * | 2018-05-15 | 2018-08-03 | 唐山雾谷机电设备有限公司 | Cut yarn driving structure |
| CN108374232A (en) * | 2018-05-15 | 2018-08-07 | 唐山雾谷机电设备有限公司 | Select yarn control structure |
| CN209584504U (en) * | 2019-01-23 | 2019-11-05 | 唐山雾谷机电设备有限公司 | The thread grip mechanism of automatic yarn-changing device |
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| CN109576886A (en) | 2019-04-05 |
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