CN108866786B - Yarn nozzle driving device - Google Patents
Yarn nozzle driving device Download PDFInfo
- Publication number
- CN108866786B CN108866786B CN201810893883.1A CN201810893883A CN108866786B CN 108866786 B CN108866786 B CN 108866786B CN 201810893883 A CN201810893883 A CN 201810893883A CN 108866786 B CN108866786 B CN 108866786B
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- CN
- China
- Prior art keywords
- guide groove
- connecting rod
- ejector rod
- ejector
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a yarn nozzle driving device, which enables a single power device to drive two ejector rods, so that the whole structure is simple, the installation and the arrangement are convenient, and the cost is reduced. The guide seat is fixedly connected with the upper end face of the front end of the base along the length direction of the guide seat, a plurality of groups of guide groove bodies are arranged on the guide seat along the length direction of the guide seat, each group of guide groove bodies respectively comprises a first ejector rod guide groove, a second ejector rod guide groove, a first connecting rod guide groove and a second connecting rod guide groove, the first ejector rod guide groove and the second ejector rod guide groove are respectively located in the vertical direction of the front end face of the guide seat and penetrate through the guide seat, the first connecting rod guide groove and the second connecting rod guide groove respectively penetrate through the thickness direction of the guide seat and are arranged, the first connecting rod guide groove is communicated with the first ejector rod guide groove, and the second connecting rod guide groove is communicated with the second ejector rod guide groove.
Description
Technical Field
The invention relates to the technical field of computerized flat knitting machine mechanisms, in particular to a yarn nozzle driving device.
Background
In the knitting process, yarns with different colors need to be replaced along with the change of colors, and a yarn nozzle driving device is generated. The yarn mouth driving device of the existing computerized flat knitting machine can only drive one ejector rod, and the yarn mouth driving device is complicated in whole structure arrangement and unfavorable for integral installation and arrangement due to the large number of yarn mouths.
Disclosure of Invention
Aiming at the problems, the invention provides a driving device of a yarn nozzle, which enables a single power device to drive two ejector rods, so that the whole structure is simple, the installation and the arrangement are convenient, and the cost is reduced.
A yarn mouth driving device, characterized in that: the guide seat is fixedly connected with the upper end face of the front end of the base along the length direction of the guide seat, a plurality of groups of guide groove bodies are arranged on the guide seat along the length direction of the guide seat, each group of guide groove bodies respectively comprises a first ejector rod guide groove, a second ejector rod guide groove, a first connecting rod guide groove and a second connecting rod guide groove, the first ejector rod guide groove and the second ejector rod guide groove are respectively arranged on the front end face of the guide seat in a penetrating manner in the vertical direction, the first connecting rod guide groove and the second connecting rod guide groove respectively penetrate through the thickness direction of the guide seat and are arranged, the first connecting rod guide groove is communicated with the first ejector rod guide groove, the second connecting rod guide groove is communicated with the second ejector rod guide groove, each group of guide groove bodies respectively and correspondingly provided with a first ejector rod, a second ejector rod, a first connecting rod and a second connecting rod, and the first ejector rod are vertically embedded in the first ejector rod guide groove, the second ejector rod is embedded in the second ejector rod guide groove, the first connecting rod is pivoted to the guide seat through a first connecting rod rotating shaft, the second connecting rod is pivoted to the guide seat through a second connecting rod rotating shaft, the front end of the first connecting rod penetrates through the first connecting rod guide groove and then is positioned in a guide hole at a corresponding position of the first ejector rod, the front end of the second connecting rod penetrates through the second connecting rod guide groove and then is positioned in a guide hole at a corresponding position of the second ejector rod, a plurality of motors are arranged at the rear end of the base along the length direction of the base, the number of the motors is the same as the number of groups of guide groove bodies, each motor corresponds to the arrangement of the guide groove bodies at the corresponding position, an output wheel set is sleeved on an upper vertical output shaft of each motor, each output wheel set comprises an upper cam, the upper supporting ring surfaces of the upper cam and the lower cam are respectively provided with a concave supporting surface, the radial angles and the ranges of the concave supporting surfaces corresponding to the upper cam and the lower cam are determined according to the movement setting of a yarn nozzle to be driven, the rear end of the first connecting rod is supported on the upper supporting ring surface of the upper cam, and the rear end of the second connecting rod is supported on the upper supporting ring surface of the lower cam; the upper end face of the guide seat is fixedly provided with a push rod guide groove plate, and the position of the push rod guide groove plate corresponding to each connecting rod is respectively provided with an avoidance groove.
It is further characterized by: vertical linear springs are respectively arranged between the bottoms of the first ejector rod and the second ejector rod and the upper end face of the front end of the base;
a motor installation cavity which is concave is formed in the length direction of the rear end of the base, and the bottom of each motor is embedded in the motor installation cavity, so that the motor is positioned accurately and reliably;
bearings are fixedly arranged at the positions of the rear ends of the first connecting rod and the second connecting rod, which correspond to the upper supporting ring surfaces of the cams, respectively, and the outer rings of the bearings are supported at the corresponding positions of the corresponding upper supporting ring surfaces, so that abrasion is avoided;
the motor is fixedly arranged at the corresponding position of the rear end face of the guide seat through a screw, so that convenience and reliability in installation are ensured;
the upper cam and the lower cam are integrated on the same hollow rotating shaft, the hollow rotating shaft is radially positioned and installed on an upper vertical output shaft of the motor at a corresponding position through a key structure, and a default groove with a certain length is formed in the upper vertical output shaft, so that the installation height of the upper cam and the lower cam is accurate and reliable;
each motor is provided with a Hall sensor, so that accurate control of each motor is ensured, and a yarn nozzle driven by a corresponding ejector rod is further accurately controlled;
all the first connecting rods are pivoted to the corresponding positions of the guide seats through one first connecting rod rotating shaft, and all the second connecting rods are pivoted to the corresponding positions of the guide seats through one second connecting rod rotating shaft, so that the simplicity and the convenience in installation of the whole structure are ensured;
the first ejector rod guide groove and the second ejector rod guide groove are inner grooves positioned on the rear end face of the guide seat, a railing is fixedly arranged at the middle lower part of the rear end face of the guide seat, the railing ensures that the ejector rods cannot expose the corresponding ejector rod guide grooves from the rear, and at least one part of the tops of the first ejector rod and the second ejector rod in a non-working state is positioned in the height range of the corresponding avoidance groove;
the first ejector rod and the second ejector rod are identical ejector rods, and each ejector rod is provided with an upper guide hole and a lower guide hole respectively, so that the mounting universality is convenient.
After the invention is adopted, the motor rotates to drive the upper cam and the lower cam to rotate, when the rear end of the connecting rod corresponding to the first ejector rod or the second ejector rod is supported on the concave supporting surface, the upper end of the corresponding ejector rod ejects out of the corresponding avoiding groove of the ejector rod guide groove plate, and when the rear end of the connecting rod corresponding to the first ejector rod or the second ejector rod is supported on the plane position of the upper supporting ring surface, the upper end of the corresponding ejector rod is not exposed out of the corresponding avoiding groove of the ejector rod guide groove plate, so that a single power device drives the two ejector rods, the whole structure is simple, the installation and the arrangement are convenient, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of a partial exploded view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the rear view structure of the present invention;
the names corresponding to the serial numbers in the figures are as follows:
the device comprises a base 1, a guide seat 2, a guide groove body 3, a first ejector rod guide groove 31, a second ejector rod guide groove 32, a first connecting rod guide groove 33, a second connecting rod guide groove 34, a first ejector rod 4, a second ejector rod 5, a first connecting rod 6, a second connecting rod 7, a first connecting rod rotating shaft 8, a second connecting rod rotating shaft 9, a motor 10, an upper vertical output shaft 11, an output wheel set 12, an upper cam 13, a lower cam 14, an upper support ring surface 15, an ejector rod guide groove plate 16, an avoidance groove 17, a vertical linear spring 18, a motor installation cavity 19, a bearing 20, a hollow rotating shaft 21, a default groove 22, a Hall sensor 23, a railing 24, an upper guide hole 25 and a lower guide hole 26.
Detailed Description
A yarn mouth driving device, see fig. 1-3: which comprises a base 1, a guide seat 2 is fixedly connected on the upper end surface of the front end of the base 1 along the length direction of the guide seat 2, a plurality of groups of guide groove bodies 3 are arranged on the guide seat 2 along the length direction, each group of guide groove bodies respectively comprises a first ejector rod guide groove 31, a second ejector rod guide groove 32, a first connecting rod guide groove 33 and a second connecting rod guide groove 34, the first ejector rod guide groove 31 and the second ejector rod guide groove 32 respectively penetrate through the guide seat 2 in the vertical direction of the front end surface of the guide seat 2, the first connecting rod guide groove 33 and the second connecting rod guide groove 34 respectively penetrate through the guide seat 2 in the thickness direction, the first connecting rod guide groove 33 is communicated with the first ejector rod guide groove 31, the second connecting rod guide groove 34 is communicated with the second ejector rod guide groove 32, each group of guide groove bodies 3 respectively correspondingly provided with a first ejector rod 4, a second ejector rod 5, a first connecting rod 6 and a second connecting rod 7, the first ejector rod 4 is vertically embedded in the first ejector rod guide groove 31, the second ejector rod 5 is embedded in the second ejector rod guide groove 32, the first connecting rod 6 is pivoted on the guide seat 2 through the first connecting rod rotating shaft 8, the second connecting rod 7 is pivoted on the guide seat 2 through the second connecting rod rotating shaft 9, the front end of the first connecting rod 6 penetrates through the first connecting rod guide groove 33 and then is arranged in a guide hole at a corresponding position of the first ejector rod 4, the front end of the second connecting rod 7 penetrates through the second connecting rod guide groove 34 and then is arranged in a guide hole at a corresponding position of the second ejector rod 5, a plurality of motors 10 are arranged at the rear end of the base 1 along the length direction of the base, the number of the motors 10 is the same as the number of groups of the guide groove bodies 3, each motor 10 corresponds to the arrangement of the guide groove bodies 3 at the corresponding positions respectively, output wheel sets 12 are respectively sleeved on upper vertical output shafts 11 of each motor 10, each output wheel set 12 comprises an upper cam 13, the lower cam 14, the upper cam 13 and the upper supporting ring surface 15 of the lower cam 14 are respectively provided with a concave supporting surface, the radial angles and the ranges of the concave supporting surfaces corresponding to the upper cam 13 and the lower cam 14 are determined according to the movement setting of the yarn nozzle to be driven, the rear end of the first connecting rod 6 is supported on the upper supporting ring surface 15 of the upper cam 13, and the rear end of the second connecting rod 7 is supported on the upper supporting ring surface 15 of the lower cam 14; the upper end face of the guide seat 2 is fixedly provided with a jacking rod guide groove plate 16, and the jacking rod guide groove plate 16 is respectively provided with an avoidance groove 17 at the position corresponding to each connecting rod.
A vertical linear spring 18 is respectively arranged between the bottoms of the first ejector rod 4 and the second ejector rod 5 and the upper end face of the front end of the base 1;
a concave motor mounting cavity 19 is arranged at the rear end of the base 1 in the length direction, and the bottom of each motor 10 is embedded in the motor mounting cavity 19, so that the accurate and reliable positioning of the motor 10 is ensured;
bearings 20 are fixedly arranged at the positions of the rear ends of the first connecting rod 6 and the second connecting rod 7, which are supported on the upper supporting ring surface 15 of the corresponding cam, respectively, and the outer rings of the bearings 20 are supported on the corresponding positions of the corresponding upper supporting ring surface 15, so that abrasion is avoided;
the motor 10 is fixedly arranged at the corresponding position of the rear end surface of the guide seat 2 through screws, so that convenience and reliability in installation are ensured;
the upper cam 13 and the lower cam 14 are integrated on the same hollow rotating shaft 21, the hollow rotating shaft 21 is radially positioned and installed on the upper vertical output shaft 11 of the motor 10 at the corresponding position through a key structure, and a default groove 22 with a certain length is formed on the upper vertical output shaft 11, so that the installation height of the upper cam 13 and the lower cam 14 is ensured to be accurate and reliable;
a Hall sensor 23 is respectively arranged on each motor 10 to ensure the accurate control of each motor 10, thereby accurately controlling the yarn mouth driven by the corresponding ejector rod;
all the first connecting rods 6 are pivoted to the corresponding positions of the guide seat 2 through a first connecting rod rotating shaft 8, and all the second connecting rods 7 are pivoted to the corresponding positions of the guide seat 2 through a second connecting rod rotating shaft 9, so that the simplicity and the convenience in installation of the whole structure are ensured;
the first ejector rod guide groove 31 and the second ejector rod guide groove 32 are inner grooves positioned on the rear end face of the guide seat 2, a railing 24 is fixedly arranged at the middle lower part of the rear end face of the guide seat 2, the railing ensures that the ejector rods cannot expose the corresponding ejector rod guide grooves from the rear, and at least one part of the tops of the first ejector rod 4 and the second ejector rod 5 in the non-working state is positioned in the height range of the corresponding avoidance groove 17;
the first ejector rod 4 and the second ejector rod 5 are identical ejector rods, and each ejector rod is provided with an upper guide hole 25 and a lower guide hole 26 respectively, so that the mounting universality is convenient.
The working principle is as follows: the motor rotates to drive the upper cam and the lower cam to rotate, when the rear end of the connecting rod corresponding to the first ejector rod or the second ejector rod is supported on the concave supporting surface, the upper end of the corresponding ejector rod ejects out of the corresponding avoidance groove of the ejector rod guide groove plate, and when the rear end of the connecting rod corresponding to the first ejector rod or the second ejector rod is supported on the plane position of the upper supporting ring surface, the upper end of the corresponding ejector rod is not exposed out of the corresponding avoidance groove of the ejector rod guide groove plate, so that the single power device drives the two ejector rods, the whole structure is simple, installation and arrangement are convenient, and cost is reduced.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (8)
1. A yarn mouth driving device, characterized in that: the guide seat is fixedly connected with the upper end face of the front end of the base along the length direction of the guide seat, a plurality of groups of guide groove bodies are arranged on the guide seat along the length direction of the guide seat, each group of guide groove bodies respectively comprises a first ejector rod guide groove, a second ejector rod guide groove, a first connecting rod guide groove and a second connecting rod guide groove, the first ejector rod guide groove and the second ejector rod guide groove are respectively arranged on the front end face of the guide seat in a penetrating manner in the vertical direction, the first connecting rod guide groove and the second connecting rod guide groove respectively penetrate through the thickness direction of the guide seat and are arranged, the first connecting rod guide groove is communicated with the first ejector rod guide groove, the second connecting rod guide groove is communicated with the second ejector rod guide groove, each group of guide groove bodies respectively and correspondingly provided with a first ejector rod, a second ejector rod, a first connecting rod and a second connecting rod, and the first ejector rod are vertically embedded in the first ejector rod guide groove, the second ejector rod is embedded in the second ejector rod guide groove, the first connecting rod is pivoted to the guide seat through a first connecting rod rotating shaft, the second connecting rod is pivoted to the guide seat through a second connecting rod rotating shaft, the front end of the first connecting rod penetrates through the first connecting rod guide groove and then is positioned in a guide hole at a corresponding position of the first ejector rod, the front end of the second connecting rod penetrates through the second connecting rod guide groove and then is positioned in a guide hole at a corresponding position of the second ejector rod, a plurality of motors are arranged at the rear end of the base along the length direction of the base, the number of the motors is the same as the number of groups of guide groove bodies, each motor corresponds to the arrangement of the guide groove bodies at the corresponding position, an output wheel set is sleeved on an upper vertical output shaft of each motor, each output wheel set comprises an upper cam, the upper support ring surface of the upper cam and the upper support ring surface of the lower cam are respectively provided with a concave supporting surface, the rear end of the first connecting rod is supported on the upper support ring surface of the upper cam, and the rear end of the second connecting rod is supported on the upper support ring surface of the lower cam; the upper end face of the guide seat is fixedly provided with a push rod guide groove plate, and the position of the push rod guide groove plate corresponding to each connecting rod is respectively provided with an avoidance groove;
vertical linear springs are respectively arranged between the bottoms of the first ejector rod and the second ejector rod and the upper end face of the front end of the base;
the motor mounting cavity is arranged on the rear end of the base in the length direction, and the bottom of each motor is embedded in the motor mounting cavity.
2. A yarn mouth driving device as in claim 1, wherein: bearings are fixedly arranged at the positions of the rear ends of the first connecting rod and the second connecting rod, which correspond to the upper supporting ring surfaces of the cams, respectively, and the outer rings of the bearings are supported at the corresponding positions of the corresponding upper supporting ring surfaces.
3. A yarn mouth driving device as in claim 1, wherein: the motor is fixedly arranged at the corresponding position of the rear end face of the guide seat through a screw.
4. A yarn mouth driving device as in claim 1, wherein: the upper cam and the lower cam are integrated on the same hollow rotating shaft, the hollow rotating shaft is radially positioned and installed on an upper vertical output shaft of the motor at a corresponding position through a key structure, and a default groove with a certain length is formed in the upper vertical output shaft.
5. A yarn mouth driving device as in claim 1, wherein: and each motor is provided with a Hall sensor.
6. A yarn mouth driving device as in claim 1, wherein: all the first connecting rods are pivoted to the corresponding positions of the guide seats through one first connecting rod rotating shaft, and all the second connecting rods are pivoted to the corresponding positions of the guide seats through one second connecting rod rotating shaft.
7. A yarn mouth driving device as in claim 1, wherein: the first ejector rod guide groove and the second ejector rod guide groove are inner grooves formed in the rear end face of the guide seat, a railing is fixedly arranged at the middle lower position of the rear end face of the guide seat, and at least one part of the tops of the first ejector rod and the second ejector rod in the non-working state is located in the height range of the corresponding avoidance groove.
8. A yarn mouth driving device as in claim 1, wherein: the first ejector rod and the second ejector rod are identical ejector rods, and each ejector rod is provided with an upper guide hole and a lower guide hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893883.1A CN108866786B (en) | 2018-08-08 | 2018-08-08 | Yarn nozzle driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893883.1A CN108866786B (en) | 2018-08-08 | 2018-08-08 | Yarn nozzle driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108866786A CN108866786A (en) | 2018-11-23 |
| CN108866786B true CN108866786B (en) | 2023-08-11 |
Family
ID=64317857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893883.1A Active CN108866786B (en) | 2018-08-08 | 2018-08-08 | Yarn nozzle driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108866786B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1710458A1 (en) * | 1967-02-13 | 1971-10-28 | Elitex Zd Y Textilniho Strojir | Apparatus for inserting pens into sample drums |
| CN2112640U (en) * | 1992-01-10 | 1992-08-12 | 胡书彬 | Warp-knit straw mat braider |
| CN201176502Y (en) * | 2008-03-17 | 2009-01-07 | 吴宇芯 | Yarn nozzle driving mechanism for knitting machine |
| CN201495378U (en) * | 2009-08-27 | 2010-06-02 | 常州市润源经编机械有限公司 | Driver for guide bar shogging |
| JP2015071837A (en) * | 2013-10-01 | 2015-04-16 | ミドリ安全株式会社 | Reinforced knitted bag, reinforced knitted glove, and braid-over-braid knitting machine |
| CN105908348A (en) * | 2016-06-13 | 2016-08-31 | 绍兴市越发机械制造有限公司 | Transmission device for left-right edges and corners of hosiery machine |
| CN207121685U (en) * | 2017-08-15 | 2018-03-20 | 浙江百翔科技有限公司 | Gloves weave device |
| CN108118438A (en) * | 2018-03-05 | 2018-06-05 | 泉州市永祺塑胶电子有限公司 | A kind of new Kan wool yarn mouth device for Computerized flat knitting machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1222246B (en) * | 1988-05-17 | 1990-09-05 | Edoardo Furia | ELECTROMAGNETIC SELECTION DEVICE WITH ELECTRONIC CONTROL OF THREE POSITIONS FOR CIRCULAR KNITTING MACHINE WITH WORLD MOTORCYCLE |
| CN208803227U (en) * | 2018-08-08 | 2019-04-30 | 江苏金龙科技股份有限公司 | A kind of driving device of yarn mouth |
-
2018
- 2018-08-08 CN CN201810893883.1A patent/CN108866786B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1710458A1 (en) * | 1967-02-13 | 1971-10-28 | Elitex Zd Y Textilniho Strojir | Apparatus for inserting pens into sample drums |
| CN2112640U (en) * | 1992-01-10 | 1992-08-12 | 胡书彬 | Warp-knit straw mat braider |
| CN201176502Y (en) * | 2008-03-17 | 2009-01-07 | 吴宇芯 | Yarn nozzle driving mechanism for knitting machine |
| CN201495378U (en) * | 2009-08-27 | 2010-06-02 | 常州市润源经编机械有限公司 | Driver for guide bar shogging |
| JP2015071837A (en) * | 2013-10-01 | 2015-04-16 | ミドリ安全株式会社 | Reinforced knitted bag, reinforced knitted glove, and braid-over-braid knitting machine |
| CN105908348A (en) * | 2016-06-13 | 2016-08-31 | 绍兴市越发机械制造有限公司 | Transmission device for left-right edges and corners of hosiery machine |
| CN207121685U (en) * | 2017-08-15 | 2018-03-20 | 浙江百翔科技有限公司 | Gloves weave device |
| CN108118438A (en) * | 2018-03-05 | 2018-06-05 | 泉州市永祺塑胶电子有限公司 | A kind of new Kan wool yarn mouth device for Computerized flat knitting machine |
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| Publication number | Publication date |
|---|---|
| CN108866786A (en) | 2018-11-23 |
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