CN108221157B - Novel color changing device for computerized flat knitting machine - Google Patents
Novel color changing device for computerized flat knitting machine Download PDFInfo
- Publication number
- CN108221157B CN108221157B CN201810180228.1A CN201810180228A CN108221157B CN 108221157 B CN108221157 B CN 108221157B CN 201810180228 A CN201810180228 A CN 201810180228A CN 108221157 B CN108221157 B CN 108221157B
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- China
- Prior art keywords
- cam
- push rod
- rod
- motor driving
- driving device
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- 238000009940 knitting Methods 0.000 title claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
- D04B15/70—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used in flat-bed knitting machines
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a novel color changing device for a computerized flat knitting machine, which comprises a seat body and a push rod device assembly, wherein the push rod device assembly is provided with a plurality of groups of seat bodies, the push rod device assembly comprises a push rod, a swinging rod, a cam and a motor driving device, the seat body is provided with a seat plate, the motor driving device is fixed on the seat plate, the cam is connected with the motor driving device, the push rod is movably nested on the seat body, a supporting spring is arranged between the upper end of the push rod and the seat plate, the swinging rod is hinged at one side of the lower end of the seat body, the front end of the swinging rod is sleeved with the lower end of the push rod, the rear end of the swinging rod is attached below the periphery of the outline of the cam, the seat plate is provided with an induction sensor corresponding to the upper position of the cam, the three working position states of the push rod are converted by adopting an integral structure, the equal-height curve sections of the cam corresponding to different sections are correspondingly controlled to the positions of the push rod to be at required height, the structure working noise is small, the action is stable, and the use requirements of different production states are met.
Description
Technical Field
The invention relates to the technical field of computer knitting, in particular to a novel color changing device for a computerized flat knitting machine.
Background
The color changing device of the existing computerized flat knitting machine has the function of driving the yarn nozzle seat to transversely move according to the pattern programming requirement to drive the yarn nozzle to knit. Most structures adopt electromagnets to control the height of the ejector rod. The structure has the defects of loud noise, unstable action of the electromagnet, easy overburning or insufficient magnetic attraction, and the like, and meanwhile, because the electromagnet only has one stretching and one shrinking two working states, the corresponding ejector rod movement also has two working positions, and the ejector rod position cannot be controlled at any middle position, so that the working and use requirements corresponding to different working positions of the ejector rod can be met, the original electromagnet structure is low in reliability, and the working state is single, so that the existing production requirements are not met.
Disclosure of Invention
The invention aims to provide a novel color changing device for a computerized flat knitting machine, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel color changing device for computerized flat knitting machine, includes pedestal and ejector pin device subassembly, the ejector pin device subassembly has been laid a plurality of groups on the pedestal, the ejector pin device subassembly includes ejector pin, pendulum rod, cam and motor drive arrangement, be equipped with the bedplate on the pedestal, motor drive arrangement fixes on the bedplate, and the cam is connected with motor drive arrangement, ejector pin activity nestification is on the pedestal, be equipped with supporting spring between the upper end of ejector pin and the bedplate, the pendulum rod articulates on one side of the lower extreme of the pedestal, the front end of pendulum rod cup joints with the lower extreme of ejector pin, and the rear end laminating of pendulum rod is in the peripheral below of the outline of cam, be equipped with the inductive sensor that corresponds with cam top on the bedplate.
Preferably, the motor driving device adopts a double-output shaft stepping motor, and the cam is correspondingly arranged on an output shaft of the motor driving device.
Preferably, the lower end of the ejector rod is provided with a sleeving through hole, and the front end of the swing rod is correspondingly nested in the sleeving through hole.
Preferably, the middle part of the swing rod is hinged with one side of the lower end of the seat body through a long pin shaft.
Preferably, a roller is arranged at the joint of the rear end of the swing rod and the lower part of the periphery of the outer contour of the cam.
Preferably, the outer peripheral outline of the cam is provided with a first contour curve section, a second contour curve section and a third contour curve section.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the plurality of groups of ejector rod device assemblies are arranged on one seat body, so that the seat is arranged in a modularized manner, and the installation and maintenance are convenient and reliable.
2. According to the invention, the cam is driven to rotate by the double-output-shaft stepping motor so as to drive the swing rod to link the ejector rod to move up and down, and the contour of the outer periphery of the cam is divided into three equal-height curve sections of a first equal-height curve section, a second equal-height curve section and a third equal-height curve section, so that three different moving working positions of the ejector rod to move up and down are correspondingly realized.
The three working position states of the up-and-down movement of the ejector rod are converted through the integral structure, the work of the stepping motor with double output shafts is controlled by pulse signals, and the action is accurate. The adjustment of the rotation angle range of the cam is correspondingly realized by combining the induction sensor, so that the height required by the design of the ejector rod can be controlled to move corresponding to the contour curve sections corresponding to different interval sections, the yarn nozzle knitting state design matched with the ejector rod is enriched, the structural working noise is low, the action is stable, the vibration is low, and the use requirements of different production states are met.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front elevational schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 2;
fig. 4 is a schematic view of the cam structure of the present invention.
In the figure: the device comprises a seat body 1, a cam 2, a swinging rod 3, a motor driving device 4, a 5 ejector rod, a 6 induction sensor, a seat plate 11, a first contour curve section 21, a second contour curve section 22, a third contour curve section 23, a long pin shaft 31, a roller 32, an output shaft 41, a supporting spring 51 and a sleeve joint through hole 52.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2 and 3, the present invention provides a technical solution: the utility model provides a novel color changing device for computerized flat knitting machine, includes pedestal 1 and ejector pin device subassembly, four groups are arranged on pedestal 1 to ejector pin device subassembly, ejector pin device subassembly includes ejector pin 5, pendulum rod 3, cam 2 and motor drive 4, is equipped with bedplate 11 on pedestal 1, motor drive 4 is fixed on bedplate 11, and cam 2 is connected with motor drive 4, and motor drive 4 adopts two output shaft step motor, cam 2 corresponds to be installed on motor drive 4's output shaft 41 to satisfy that a step motor drives two cams 2 and rotate, the modular arrangement matches, compact structure is reliable. The ejector rod 5 is movably nested on the seat body 1, the ejector rod 5 can move up and down in the seat body 1, in addition, a supporting spring 51 is arranged between the upper end of the ejector rod 5 and the seat board 11 and mainly used for supporting the ejector rod 5 downwards in real time, the swinging rod 3 is hinged on one side of the lower end of the seat body 1, the middle part of the swinging rod 3 is mainly hinged on one side of the lower end of the seat body 1 through a long pin shaft 31, the front end of the swinging rod 3 is sleeved with the lower end of the ejector rod 5, the rear end of the swinging rod 3 is attached to the lower part of the periphery of the outer outline of the cam 2, and an induction sensor 6 corresponding to the upper position of the cam 2 is arranged on the seat board 11. Thereby realizing that the supporting spring 51 struts the ejector rod 5 to press downwards, the lower end of the ejector rod 5 is provided with a sleeved through hole 52, and the front end of the swinging rod 3 is correspondingly nested in the sleeved through hole 52, so that the rear end of the swinging rod 3 is correspondingly attached to the lower part of the periphery of the outer contour of the cam 2 in real time. The joint of the rear end of the swing rod 3 and the lower part of the periphery of the outer contour of the cam 2 is provided with a roller 32. Thereby reducing friction between the cam 2 and the rear end of the swing rod 3 when rotating
As shown in fig. 4, the outer peripheral contour of the cam 2 is provided with a first contour curve segment 21, a second contour curve segment 22 and a third contour curve segment 23, and the contour curve segments with three different heights are transited by archimedes curves. The first contour section 21, the second contour section 22 and the third contour section 23 correspond to three working positions for realizing the up-and-down movement of the jack 5 in the seat body 1. The design is simple, convenient and reliable.
The whole structure is formed by arranging four groups of ejector rod device assemblies on one seat body 1, and the four groups of ejector rod device assemblies are arranged in a modularized manner, so that the installation and maintenance are convenient and reliable. Three working position state conversion of the up-and-down movement of the ejector rod 5 is realized by combining three contour curve sections with different heights, which are arranged on the contour of the cam 2, and the work of the stepping motor with double output shafts is controlled by pulse signals, so that the action is accurate. The induction sensor 6 is combined, so that the adjustment of the rotation angle range of the cam 2 is correspondingly realized, the height required by the design of the ejector rod can be controlled to move corresponding to contour curve sections corresponding to different interval sections, meanwhile, the yarn nozzle knitting state design matched with the ejector rod is enriched, the structure working noise is low, the action is stable, the vibration is low, and the use requirements of different production states are met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, variations and alterations may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A novel colour changer for computerized flat knitting machine, includes pedestal and ejector pin device subassembly, its characterized in that: the device comprises a base, a push rod device assembly, a support spring, a swing rod, a cam and a motor driving device, wherein the push rod device assembly is arranged on the base, the base is provided with a seat plate, the motor driving device is fixed on the seat plate, the cam is connected with the motor driving device, the push rod is movably nested on the base, the upper end of the push rod and the seat plate are provided with the support spring, the swing rod is hinged to one side of the lower end of the base, the front end of the swing rod is sleeved with the lower end of the push rod, the rear end of the swing rod is attached to the lower part of the periphery of the outer contour of the cam, an induction sensor corresponding to the upper position of the cam is arranged on the seat plate, the motor driving device adopts a double-output shaft stepping motor, the cam is correspondingly arranged on an output shaft of the motor driving device, and the contour of the outer periphery of the cam is provided with a first contour section, a second contour section and a third contour section.
2. The novel color changing device for the computerized flat knitting machine according to claim 1, wherein: the lower end of the ejector rod is provided with a sleeving through hole, and the front end of the swing rod is correspondingly nested in the sleeving through hole.
3. The novel color changing device for the computerized flat knitting machine according to claim 1, wherein: the middle part of the swing rod is hinged with one side of the lower end of the seat body through a long pin shaft.
4. The novel color changing device for the computerized flat knitting machine according to claim 1, wherein: and a roller is arranged at the joint of the rear end of the swing rod and the lower part of the periphery of the outer contour of the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180228.1A CN108221157B (en) | 2018-03-05 | 2018-03-05 | Novel color changing device for computerized flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180228.1A CN108221157B (en) | 2018-03-05 | 2018-03-05 | Novel color changing device for computerized flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108221157A CN108221157A (en) | 2018-06-29 |
| CN108221157B true CN108221157B (en) | 2024-03-19 |
Family
ID=62666975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180228.1A Active CN108221157B (en) | 2018-03-05 | 2018-03-05 | Novel color changing device for computerized flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108221157B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823777A (en) * | 2018-09-21 | 2018-11-16 | 泉州市永祺塑胶电子有限公司 | Computer flat knitting machine yarn nozzle runs assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930002720U (en) * | 1991-07-23 | 1993-02-25 | 명광교역 주식회사 | Thread selector for knitting machines |
| CN202809161U (en) * | 2012-08-31 | 2013-03-20 | 常熟市国光机械有限公司 | Combined cam type color-changing base for computerized flat knitter |
| CN203593851U (en) * | 2013-11-08 | 2014-05-14 | 丁建军 | Color changing device of computerized flat knitting machine |
| CN203700691U (en) * | 2013-12-11 | 2014-07-09 | 丁建军 | Color changing device for computerized flat knitter |
| CN203834120U (en) * | 2014-04-25 | 2014-09-17 | 丁建军 | Color changing device for electric motor of computerized flat knitter |
| CN204491138U (en) * | 2014-12-15 | 2015-07-22 | 桐乡市强隆机械有限公司 | Motor driven braiding flat-bed machine color changing device |
| CN207987435U (en) * | 2018-03-05 | 2018-10-19 | 泉州市永祺塑胶电子有限公司 | A kind of novel color changing device for Computerized flat knitting machine |
-
2018
- 2018-03-05 CN CN201810180228.1A patent/CN108221157B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930002720U (en) * | 1991-07-23 | 1993-02-25 | 명광교역 주식회사 | Thread selector for knitting machines |
| CN202809161U (en) * | 2012-08-31 | 2013-03-20 | 常熟市国光机械有限公司 | Combined cam type color-changing base for computerized flat knitter |
| CN203593851U (en) * | 2013-11-08 | 2014-05-14 | 丁建军 | Color changing device of computerized flat knitting machine |
| CN203700691U (en) * | 2013-12-11 | 2014-07-09 | 丁建军 | Color changing device for computerized flat knitter |
| CN203834120U (en) * | 2014-04-25 | 2014-09-17 | 丁建军 | Color changing device for electric motor of computerized flat knitter |
| CN204491138U (en) * | 2014-12-15 | 2015-07-22 | 桐乡市强隆机械有限公司 | Motor driven braiding flat-bed machine color changing device |
| CN204491140U (en) * | 2014-12-15 | 2015-07-22 | 桐乡市强隆机械有限公司 | Dual system braiding flat-bed machine motor driven color changing device |
| CN207987435U (en) * | 2018-03-05 | 2018-10-19 | 泉州市永祺塑胶电子有限公司 | A kind of novel color changing device for Computerized flat knitting machine |
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|---|---|
| CN108221157A (en) | 2018-06-29 |
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