CN112553766A - Thread trimmer suitable for computerized flat knitting machine - Google Patents
Thread trimmer suitable for computerized flat knitting machine Download PDFInfo
- Publication number
- CN112553766A CN112553766A CN202110125021.6A CN202110125021A CN112553766A CN 112553766 A CN112553766 A CN 112553766A CN 202110125021 A CN202110125021 A CN 202110125021A CN 112553766 A CN112553766 A CN 112553766A
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- China
- Prior art keywords
- blade
- yarn
- yarn collecting
- collecting rod
- power source
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- 238000009940 knitting Methods 0.000 title claims abstract description 37
- 238000005520 cutting process Methods 0.000 claims abstract description 26
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 230000009849 deactivation Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000010408 sweeping Methods 0.000 abstract description 3
- 208000007101 Muscle Cramp Diseases 0.000 abstract 1
- 230000004044 response Effects 0.000 description 8
- 238000010008 shearing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
本发明公开了一种适用于电脑横机的剪线器，包括有固定座，固定座安装有刀片和集纱杆，刀片固定连接有刀片动力源，刀片动力源带动刀片完成切割动作，集纱杆固定连接有集纱杆动力源，集纱杆动力源带动集纱杆转动完成集纱动作和复位，进行剪纱工序时，集纱杆朝刀片的刀刃方向转动，完成剪纱后，集纱杆朝远离刀片的方向转动复位，采用拨线的方式将纱线牵引至刀片的刀刃处剪断，结构简单，造价低，刀片和拨线杆与横机的纱嘴协调配合，有效提高电脑横机的生产效率，减轻挡车工的工作强度，集纱杆的设计提高了扫线的精准度和工作范围，保证所有纱线均被牵引至刀片的工作区域进而被剪断，减少由于线头剪不断引起的布片抽筋，起底板掉布不良等故障。
The invention discloses a thread trimmer suitable for a computerized flat knitting machine. The thread trimmer comprises a fixing seat, a blade and a yarn collecting rod are mounted on the fixing seat, the blade is fixedly connected with a blade power source, and the blade power source drives the blade to complete the cutting action, and the yarn collects The rod is fixedly connected with the power source of the yarn collecting rod. The power source of the yarn collecting rod drives the yarn collecting rod to rotate to complete the yarn collecting action and reset. During the yarn cutting process, the yarn collecting rod rotates in the direction of the blade edge of the blade. After the yarn cutting is completed, the yarn collecting rod rotates. The rod rotates and resets in the direction away from the blade, and the yarn is pulled to the cutting edge of the blade to be cut by the method of pulling the thread. The structure is simple and the cost is low. The design of the yarn collecting rod improves the accuracy and working range of the thread sweeping, ensuring that all the yarns are drawn to the working area of the blade and then cut off, reducing the damage caused by the continuous thread cutting. Cloth cramps, poor cloth from the bottom plate and other faults.
Description
Technical Field
The invention relates to the technical field of accessories of computerized flat knitting machines, in particular to a thread trimmer suitable for a computerized flat knitting machine.
Background
The computerized flat knitting machine is a double-needle bed weft knitting machine, which is a main knitting apparatus for knitting wool and cashmere sweater products. In the process of knitting a knitting needle fabric, a yarn nozzle of the computerized flat knitting machine needs to repeatedly pull yarns to a yarn shearing device for shearing, and the conventional computerized flat knitting machine yarn shearing device is complex in structure, high in manufacturing cost and frequent in yarn shearing.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a thread trimmer suitable for a computerized flat knitting machine.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a cut line ware suitable for computerized flat knitting machine, cut the line ware including the fixing base, blade and yarn collection pole are installed to the fixing base, blade fixedly connected with blade power supply, the blade power supply drives the cutting action is accomplished to the blade, yarn collection pole fixedly connected with yarn collection pole power supply, yarn collection pole power supply drives yarn collection pole rotates and accomplishes yarn collection action and resets, when shearing the yarn process, yarn collection pole court the cutting edge direction of blade rotates, accomplishes and cuts the yarn back, yarn collection pole court is kept away from the direction of blade rotates and resets.
The fixing seat is provided with at least two yarn collecting plates, the yarn collecting plates are distributed on two sides of the blade body of the blade, and the yarn collecting plates and the yarn collecting rods are matched to pull and bundle yarns.
The yarn collecting plate is provided with a yarn collecting opening and a guide opening, the open end of the yarn collecting opening is communicated with the furling position of the guide opening, the guide opening comprises a long guide bevel edge and a short guide bevel edge, and the long guide bevel edge is arranged near the rotating axis of the yarn collecting rod.
And the yarn collecting rod is provided with a strip-shaped through hole at a position corresponding to the blade.
The fixing base is provided with first installation board portion, the one side fixed mounting of first installation board portion the blade power supply, first installation board portion is provided with the adaptation the hole of wearing out of blade, the blade perpendicular to first installation board portion, part the blade passes through it exposes to wear the hole the another side of first installation board portion.
The both ends of first installation board portion are provided with the fender portion, the first installation board portion of fender portion perpendicular to and by the tip of first installation board portion court the direction of blade power supply extends and forms, the edge of blade is not more than the edge of fender portion.
The fixing base is provided with the perpendicular to the second installation board portion of first installation board portion, second installation board portion is provided with the connecting hole, the one side fixed mounting of second installation board portion yarn collecting rod power supply, the output of yarn collecting rod power supply passes the connecting hole exposes in the another side of second installation board portion, the output installation of yarn collecting rod power supply yarn collecting rod.
The bottom of collection yarn pole power supply is installed with displacement inductor and response piece, collection yarn pole power supply has two outputs, and one of them output is installed collection yarn pole, another output installation the response piece, the response piece rotates with collection yarn pole is synchronous, the displacement inductor monitoring the displacement of response piece.
The thread trimmer comprises a microswitch, the microswitch controls the starting or closing of the blade power source, the yarn collecting rod is provided with a triggering convex block, the yarn collecting rod rotates to the cutting range of the blade, and the triggering convex block triggers the microswitch.
The blade is a circular blade.
The invention has the beneficial effects that: the yarn is pulled to the blade edge of the blade to be cut off in a yarn shifting mode, the structure is simple, the manufacturing cost is low, the light weight of yarn cutting equipment is realized, the blade and the yarn shifting rod are in coordination with a yarn nozzle of the flat knitting machine, the production efficiency of the computerized flat knitting machine is effectively improved, and the working strength of a worker stopping the knitting machine is reduced; on the other hand, the design of yarn collecting rod improves the precision and the working range of sweeping the line, guarantees that all yarns are all pulled to the working area of blade and then are cut off, reduces because the end of a thread is cut the cloth piece cramp that constantly arouses, plays bottom plate and falls trouble such as cloth badly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
fig. 3 is a schematic structural diagram of the fixing base of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" or "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present embodiment of a yarn cutter for a computerized flat knitting machine is installed below a needle bed and a roller, receives a command from a controller of the computerized flat knitting machine, and completes a yarn cutting process in cooperation with a yarn nozzle of the computerized flat knitting machine.
The thread trimmer is including fixing base 10, blade 2 and yarn collecting rod 6 are installed to fixing base 10, 2 fixedly connected with blade power supplies 5 of blade, blade power supply 5 drives cutting action is accomplished to blade 2, 6 fixedly connected with yarn collecting rod power supplies 12 of yarn collecting rod, yarn collecting rod power supply 12 drives yarn collecting rod 6 rotates and accomplishes yarn collecting action and resets, when shearing the yarn process, yarn collecting rod 6 court the cutting edge direction of blade 2 rotates, accomplishes and cuts the yarn back, yarn collecting rod 6 court is kept away from the direction rotation of blade 2 resets.
In the embodiment, the yarn is pulled to the cutting edge of the blade 2 to be cut off in a yarn shifting mode, the structure is simple, the manufacturing cost is low, the light weight of yarn cutting equipment is realized, the blade 2 and the yarn shifting rod are in coordination with the yarn nozzle of the flat knitting machine, the production efficiency of the computerized flat knitting machine is effectively improved, and the working strength of a worker stopping the machine is reduced; on the other hand, the design of the yarn collecting rod 6 improves the yarn sweeping precision and the working range, ensures that all yarns are pulled to the working area of the blade 2 and then cut off, reduces the faults of cloth piece cramping, poor cloth falling of a base plate and the like caused by continuous thread end cutting, simultaneously realizes effective control on the yarn shifting speed and the yarn shifting force, avoids the thread end from being broken, and reduces the defective rate.
The fixing seat 10 is provided with at least two yarn collecting plates 9, the yarn collecting plates 9 are distributed on two sides of the blade body of the blade 2, the yarn collecting plates 9 are matched with the yarn collecting rod 6 to draw and bundle yarns, and yarn shearing efficiency is improved. More specifically, the yarn collecting plate 9 is provided with a closing opening 901 and a guiding opening 902, and the open end of the closing opening 901 is communicated with the closing part of the guiding opening 902. The opening 901 for collecting yarn in this embodiment is a U-shaped opening with a certain length, and the opening 901 for collecting yarn to be cut should not only collect the yarn to be cut, but also ensure that the yarn to be cut is not thrown out of the opening 901 due to the cutting movement of the blade 2, thereby ensuring the yarn cutting efficiency and effect. Considering how close to the rotation axis of the yarn collecting rod 6 the yarn to be cut is drawn to the working area of the yarn collecting rod 6 by the yarn feeder, the guiding opening 902 includes a long guiding bevel and a short guiding bevel, the long guiding bevel is disposed close to the rotation axis of the yarn collecting rod 6, and the yarn on the yarn collecting rod 6 is conveniently drawn into the collecting opening 901.
In the present embodiment, the blade 2 is a circular blade 2, and the yarn is cut by high-speed rotation. Compared with the transverse blade 2 which repeatedly does linear motion, the circular blade has higher cutting efficiency and smaller occupied area, and is more favorable for realizing the light weight of the embodiment.
In this embodiment, the yarn collecting rod 6 is provided with an elongated through hole 602 corresponding to the position of the blade 2, and functions as: firstly, the yarn collecting rod 6 is prevented from contacting with the blade 2, and the high-speed rotating cutting motion of the blade 2 can abrade the yarn collecting rod 6; and secondly, the blade 2 completely penetrates through the rod body of the yarn collecting rod 6, so that the yarns drawn by the yarn collecting rod 6 are all cut.
The tail end of the yarn collecting rod 6 is provided with an anti-drop part 601 for preventing the cut yarn from sliding out of the yarn collecting rod 6, and a specific embodiment may be that the tail end of the yarn collecting rod 6 is provided with a protrusion.
The fixing seat 10 is provided with a first mounting plate portion 1003, one surface of the first mounting plate portion 1003 is fixedly provided with the blade power source 5, the blade power source 5 only needs to enable the circular blade to rotate, the embodiment adopts a conventional motor with adaptive size, and a body of the motor is fixed to the first mounting plate portion 1003 through a U-shaped clamping piece 4. The output end of the blade power source 5 is fixedly provided with a blade fixing piece 3, the blade fixing piece 3 is provided with threads, and the blade fixing piece 3 is fixedly arranged on the blade 2 through the threads and a nut 1.
In order to meet the strength, stability and simplification effects of the whole structure, the yarn collecting rod 6 and the yarn collecting plate 9 are both arranged on the other side opposite to the side where the blade power source 5 is arranged, therefore, the first mounting plate part 1003 is further provided with a penetrating hole 1002 adapted to the blade 2, the blade 2 is perpendicular to the first mounting plate part 1003, and part of the blade 2 is exposed on the other side of the first mounting plate part 1003 through the penetrating hole 1002 so as to realize the matching with the yarn collecting rod 6 and the yarn collecting plate 9.
Both ends of the first mounting plate portion 1003 are provided with guard plate portions 1001, the guard plate portions 1001 are perpendicular to the first mounting plate portion 1003 and are formed by extending the end of the first mounting plate portion 1003 in the direction of the blade power source 5, the edge of the blade 2 does not exceed the edge of the guard plate portion 1001, and functions as: firstly, prevent blade 2 accidental injury operating personnel's hand, secondly prevent that blade 2 from damaging because of external impact, thirdly the bearing the effect of blade power supply 5.
The fixing seat 10 is provided with a second mounting plate portion 1004 perpendicular to the first mounting plate portion 1003, the second mounting plate portion 1004 is provided with a connecting hole, one surface of the second mounting plate portion 1004 is fixedly provided with the yarn collecting rod power source 12, the yarn collecting rod power source 12 can enable the yarn collecting rod 6 to rotate, a conventional motor with a size suitable for the embodiment is adopted, and a machine body of the motor is fixed to the second mounting plate portion 1004 through screws. The output end of the yarn collecting rod power source 12 is exposed to the other surface of the second mounting plate part 1004 through the connecting hole, and the output end of the yarn collecting rod power source 12 is mounted with the yarn collecting rod 6.
In order to make the circuit structure of this embodiment more simple and more efficient, the cooperation between each subassembly, this embodiment still is provided with micro-gap switch 11, micro-gap switch 11 control the start-up or the closing of blade power supply 5, yarn collection pole 6 is provided with trigger lug 603, yarn collection pole 6 rotates to the cutting scope of blade 2, trigger lug 603 trigger micro-gap switch 11, promptly blade 2 begins the cutting yarn.
The specific workflow of this embodiment is as follows:
1. a yarn mouth of the computerized flat knitting machine pulls the yarn to be cut to a working area of the yarn collecting rod 6, a controller of the computerized flat knitting machine sends a rotating yarn collecting command to the yarn collecting power source, and the yarn collecting rod power source 12 controls the yarn collecting rod 6 to approach towards the direction of the blade 2;
2. the yarn collecting rod 6 rotates by a certain angle to reach the cutting range of the blade 2, at the moment, the trigger bump 603 triggers the microswitch 11, the blade power source 5 is started, the circular blade 2 starts to rotate to cut yarns, and the yarn collecting rod 6 is still kept close to the blade 2 in the process, so that all yarns are cut;
3. when the yarn collecting rod 6 rotates by a set angle to reach a target position (namely, the yarn is completely cut at the time of default), the sensor collects the information through the sensing block 8, the sensor sends a reset signal to a controller of the computerized flat knitting machine, the controller receives the reset signal and then sends a reset command to the yarn collecting rod power source 12, and the yarn collecting rod power source 12 controls the yarn collecting rod 6 to reset, so that a yarn cutting process is completed.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110125021.6A CN112553766B (en) | 2021-01-29 | 2021-01-29 | A thread cutter suitable for computer flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110125021.6A CN112553766B (en) | 2021-01-29 | 2021-01-29 | A thread cutter suitable for computer flat knitting machine |
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| Publication Number | Publication Date |
|---|---|
| CN112553766A true CN112553766A (en) | 2021-03-26 |
| CN112553766B CN112553766B (en) | 2024-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110125021.6A Active CN112553766B (en) | 2021-01-29 | 2021-01-29 | A thread cutter suitable for computer flat knitting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188028A (en) * | 2023-09-13 | 2023-12-08 | 桐乡市桐诚科技有限公司 | An anti-rebound clamping and trimming mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987946A (en) * | 1995-09-21 | 1997-03-31 | Tsudakoma Corp | Thread holding device of weft knitting machine |
| CN202369765U (en) * | 2011-12-19 | 2012-08-08 | 宁波慈星股份有限公司 | Shear device for flat knitting machine |
| CN107245802A (en) * | 2017-07-18 | 2017-10-13 | 绍兴汉翔精密机械制造有限公司 | A kind of all-computer glove knitting machine scissors apparatus |
| CN211689430U (en) * | 2020-01-15 | 2020-10-16 | 宁波慈星股份有限公司 | Yarn pressing device of flat knitting machine |
| CN112111845A (en) * | 2020-09-02 | 2020-12-22 | 浙江恒吉星纺织科技有限公司 | Movable thread trimmer of flat knitting machine |
| CN214529521U (en) * | 2021-01-29 | 2021-10-29 | 中山龙族自动化科技有限公司 | A thread trimmer suitable for computerized flat knitting machines |
-
2021
- 2021-01-29 CN CN202110125021.6A patent/CN112553766B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987946A (en) * | 1995-09-21 | 1997-03-31 | Tsudakoma Corp | Thread holding device of weft knitting machine |
| CN202369765U (en) * | 2011-12-19 | 2012-08-08 | 宁波慈星股份有限公司 | Shear device for flat knitting machine |
| CN107245802A (en) * | 2017-07-18 | 2017-10-13 | 绍兴汉翔精密机械制造有限公司 | A kind of all-computer glove knitting machine scissors apparatus |
| CN211689430U (en) * | 2020-01-15 | 2020-10-16 | 宁波慈星股份有限公司 | Yarn pressing device of flat knitting machine |
| CN112111845A (en) * | 2020-09-02 | 2020-12-22 | 浙江恒吉星纺织科技有限公司 | Movable thread trimmer of flat knitting machine |
| CN214529521U (en) * | 2021-01-29 | 2021-10-29 | 中山龙族自动化科技有限公司 | A thread trimmer suitable for computerized flat knitting machines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188028A (en) * | 2023-09-13 | 2023-12-08 | 桐乡市桐诚科技有限公司 | An anti-rebound clamping and trimming mechanism |
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| CN112553766B (en) | 2024-11-22 |
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Address after: 528400 No.1, F10, No. 9, Guangyou Street, West District, Zhongshan City, Guangdong Province Applicant after: ZHONGSHAN LONGZU AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 528400 one of the second floor of No.1 Factory building, No.39 Jinchang Industrial Road, West District, Zhongshan City, Guangdong Province Applicant before: ZHONGSHAN LONGZU AUTOMATION TECHNOLOGY Co.,Ltd. |
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