CN108265383B - Needle selecting sheet group of needle selecting device - Google Patents
Needle selecting sheet group of needle selecting device Download PDFInfo
- Publication number
- CN108265383B CN108265383B CN201810268183.3A CN201810268183A CN108265383B CN 108265383 B CN108265383 B CN 108265383B CN 201810268183 A CN201810268183 A CN 201810268183A CN 108265383 B CN108265383 B CN 108265383B
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- CN
- China
- Prior art keywords
- needle selecting
- cutter head
- selector
- selector jack
- jacquard
- 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
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Control Of Cutting Processes (AREA)
Abstract
The invention relates to a needle selecting sheet group of a needle selecting device, which comprises a plurality of needle selecting sheets which are connected on a shell of the needle selecting device in a relatively swinging way and correspond to firing pins protruding on a jacquard sheet one by one, wherein the swinging axes of the needle selecting sheets are parallel to each other and are positioned in the same plane, each needle selecting sheet is provided with a cutter head protruding out of the shell of the needle selecting device, and the cutter head is provided with an inclined plane which can be in sliding contact with the firing pin on the jacquard sheet corresponding to the cutter head. The inclined plane forms an acute angle alpha with the length direction of the needle selecting sheets, and the inclined angle alpha corresponding to the inclined plane of the needle selecting sheets is gradually increased according to the arrangement sequence of the needle selecting sheets from top to bottom. By setting different inclination angles of the inclined planes on the cutter head of the needle selecting piece according to different upper and lower positions, the friction contact stroke between the original cutter head and the firing pins on the jacquard piece is shortened, the friction force between the former cutter head and the firing pins on the jacquard piece is reduced, the problem that individual firing pins on the jacquard piece are seriously worn in the prior art is solved, and the service life of the jacquard piece is prolonged.
Description
Technical Field
The invention relates to a needle selecting sheet group of a needle selector, which is applied to a jacquard circular knitting machine.
Background
Jacquard circular knitting machines are becoming increasingly popular because of their ability to weave more abundant patterns. The needle selector is an important part of the jacquard circular knitting machine, and in the weaving process, the motion of the needle selector is controlled by a control system according to the design of the fabric pattern, so that a jacquard sheet on the jacquard circular knitting machine is driven to move, and a thread changing mechanism is used for thread changing weaving at proper time. As shown in fig. 1 and 2, in the prior art, the jacquard sheet is operated around the central axis of the jacquard circular machine, which is parallel to the length direction of the jacquard sheet 50, and the selector 10 is driven to swing up and down by the stitch bond 40 (the stitch bond is shown in fig. 3 and 4), and during the operation of the jacquard sheet 50, if the cutter head 21 of the selector 20 corresponds to the position of the striker 51 protruding on the jacquard sheet 50, the jacquard sheet 50 swings with its lower end as a fulcrum by the cutter head 21 when passing through the selector 20, thereby performing yarn-changing knitting. Because the jacquard sheet swings by taking the lower end of the jacquard sheet as a fulcrum, and the firing pins are distributed along the up-down direction, the stroke length of friction contact between the firing pins and the cutter head is different, so that the abrasion of the firing pins with long friction contact stroke with the cutter head is more serious, and the service life of the jacquard sheet is seriously influenced.
Disclosure of Invention
The invention aims to provide a needle selecting sheet group of a needle selector, which reduces the friction contact stroke between a cutter head and jacquard sheets and prolongs the service life of the jacquard sheets.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention provides a needle selecting sheet group of a needle selecting device, which comprises a plurality of needle selecting sheets which are connected on a shell of the needle selecting device in a driving swinging way through a coil combining piece and correspond to firing pins protruding on a jacquard sheet one by one, wherein the swinging axes of the needle selecting sheets are parallel to each other and are positioned in the same plane, each needle selecting sheet is provided with a cutter head extending out of the shell of the needle selecting device, and the cutter head is provided with an inclined plane which can be in sliding contact with the firing pins on the jacquard sheet corresponding to the cutter head. The cutter head is provided with at least two working positions, when the cutter head is in a first working position, the inclined plane of the cutter head is in sliding contact with the corresponding firing pin position, when the cutter head is in a second working position, the inclined plane of the cutter head is staggered from the corresponding firing pin position up and down, the inclined plane forms an acute angle alpha with the length direction of the needle selecting pieces, and the included angle alpha corresponding to the inclined planes of the needle selecting pieces is gradually increased according to the arrangement sequence of the needle selecting pieces from top to bottom.
Further, the needle selecting pieces are sequentially divided into a plurality of pairs, according to the arrangement sequence from top to bottom, the included angles alpha corresponding to the inclined planes on the needle selecting pieces of the plurality of pairs are gradually increased, and the included angles alpha corresponding to the inclined planes on the two needle selecting pieces of each pair are equal.
Further, the included angle alpha is 60-70 degrees.
Further, the cutter head and the needle selecting piece are integrally formed.
Further, each needle selecting piece is correspondingly and fixedly connected to a base, a rotating shaft is arranged on the base in a penetrating mode in a pivoting mode, and two ends of the rotating shaft are respectively connected with the shell.
Further, the other end of the needle selecting piece opposite to the end of the cutter head is provided with a connecting part, and the connecting part is connected to the inside of the base.
Furthermore, the two ends of the rotating shaft respectively extend out of the base and are spliced with the shell, the requirement on the matching precision between the two ends of the rotating shaft and the jack on the base is high, so that the rotating shaft and the jack cannot slide axially, no clearance is ensured between the rotating shaft and the jack, and interference fit or transition fit is preferably adopted.
Further, a magnet for bipolar magnetizing is connected to the base, and the magnet is opposite to the coil connector of the needle selector.
Further, the magnet is magnetized by the bipolar magnet to form a first side portion and a second side portion, two ends of the first side portion are respectively an N pole and an S pole, one end of the second side portion adjacent to the N pole of the first side portion is an S pole, and one end adjacent to the S pole of the first side portion is an N pole.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: by setting different inclination angles of the inclined planes on the cutter head of the needle selecting piece according to different upper and lower positions, the friction contact stroke between the original cutter head and the firing pins on the jacquard piece is shortened, the friction force between the former cutter head and the firing pins on the jacquard piece is reduced, the wear degree of the firing pins at different positions on the jacquard piece is consistent, the problem that individual firing pins on the jacquard piece are seriously worn in the prior art is solved, and the service life of the jacquard piece is prolonged.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a schematic view of a jacquard sheet set;
FIG. 2 is a schematic diagram of the mating structure of the selector jack and jacquard jack of the selector;
FIG. 3 is a schematic perspective view of a selector jack set of the selector jack in accordance with one embodiment of the present invention;
FIG. 4 is a schematic elevational view of the selector jack set of the selector of FIG. 3;
FIG. 5 is a schematic side view of a selector set of the selector of FIG. 3;
FIG. 6 is a schematic view of a single selector blade in the selector blade set of the selector of FIG. 3;
fig. 7 is a schematic view of the structure of the magnet in the selector jack of fig. 3.
Wherein reference numerals are as follows:
10. a housing;
20. selecting a needle sheet; 21. a cutter head; 22. an inclined plane; 23. a connection part;
30. a rotating shaft;
40. a coil bonding member;
50. jacquard pieces; 51. a striker;
60. a base;
70. a magnet; 71. a first side portion; 72. a second side portion.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1 to 7, the selector jack set of the selector in the present embodiment is connected to the housing 200 of the selector.
The selector jack set of the selector includes a plurality of selector jacks 20 relatively swingably connected to the housing 10 of the selector, each of the selector jacks being respectively driven to swing by a corresponding one of the stitch bond 40. In normal operation of the selector, a plurality of selector jacks 20 are sequentially arranged in the up-down direction, and referring to fig. 1 and 2, the setting positions of the firing pins 51 of each jacquard jack 50 in one jacquard jack group in the vertical direction are different, and the plurality of selector jacks 20 are in one-to-one correspondence with the firing pins 51 protruding from the jacquard jack 50, and fig. 2 illustrates one selector jack as an example. The swing axes of the plurality of selector jacks 20 are parallel to each other and lie in the same plane.
Each selector jack 20 has a cutter head 21 extending out of the housing 10, preferably the cutter head 21 is integrally formed with the selector jack 20.
The cutter head 21 has a bevel 22, and the cutter head 21 is in sliding contact with a corresponding striker 51 on the jacquard sheet 50 via the bevel 22. The cutter head 21 has at least two working positions, when the cutter head 21 is in the first working position, the inclined surface 22 of the cutter head is in corresponding and sliding contact with the corresponding position of the firing pin 51, and when the cutter head 21 is in the second working position, the inclined surface 22 of the cutter head is staggered up and down with the corresponding position of the firing pin 51. As shown in fig. 5, the bevel 22 forms an acute angle α with the longitudinal direction of the selector blade 20. The inclined planes 22 of the plurality of selector jacks 20 gradually increase in the corresponding included angle α according to the arrangement sequence from top to bottom.
In a more preferred embodiment, referring to fig. 3 and 4, the plurality of selector jacks 20 are sequentially divided into a plurality of pairs, the inclined planes 22 on the plurality of pairs of selector jacks 20 gradually increase in the included angle α according to the arrangement order thereof from top to bottom, and the inclined planes 22 on the two selector jacks 20 in each pair correspond to the same included angle α.
In this embodiment, the included angle α is 60 ° to 70 °.
In a more preferred embodiment, referring to fig. 4, when all selector jacks 20 are in the same working position, a plane parallel to selector jacks 20 is set as M, so that the projections of the ends of all tool bits 21 on plane M are at the same point, the projections of the ends of all inclined planes 22 at the ends of tool bits 21 on plane M are at the same point, and the projections of the other ends of inclined planes 22 are different due to different inclination angles.
In this embodiment, a connection structure between the selector jack 20 and the housing 10 is provided, and referring to fig. 1 to 3, each selector jack 20 is fixedly connected to a base 60, a rotating shaft 30 is pivotally disposed on the base 60, and two ends of the rotating shaft 30 are respectively connected to the housing 10. Both ends of the rotating shaft 30 extend out of the base 60 and are spliced with the housing 10.
The other end of the selector jack 20 opposite to the end where the bit 21 is located has a connecting portion 23, as shown in fig. 5, the connecting portion 23 being connected to the inside of the base 60. The precision of the fit between the two ends of the shaft 30 and the insertion holes on the base 60 is high, so that the shaft and the insertion holes cannot slide axially, no clearance should be ensured between the shaft and the insertion holes, and interference fit or transition fit is preferably adopted.
A bipolar magnet 70 is attached to the base 60, the magnet 70 being opposite the needle selector coil coupling 40. The magnet 70 and the cutter head 21 are located on opposite sides of the base 60, respectively. The magnet 70 is formed into a first side portion 71 and a second side portion 72 by bipolar magnetization, both ends of the first side portion 71 are respectively N-pole and S-pole, one end of the second side portion 72 adjacent to the N-pole of the first side portion 71 is S-pole, and one end adjacent to the S-pole of the first side portion 71 is N-pole. The coil coupling 40 attracts the first side portion 71 or the second side portion 72 of the magnet 70 to drive the base 60 to rotate around the rotation shaft 30 to change the position, thereby swinging the cutter head 21 of the selector jack 20. By improving the prior art two spliced single pole magnetized magnets to a complete double pole magnetized magnet 70, the magnet is easier and more convenient to install and saves labor.
According to the needle selecting sheet group of the needle selecting device, the inclined planes 22 on the cutter heads 21 of the needle selecting sheets 20 are set to different inclined angles according to different upper and lower positions, so that the friction contact stroke between the original cutter heads and the firing pins 51 on the jacquard sheet 50 is shortened, the friction force between the original cutter heads and the firing pins is reduced, the wear degrees of the firing pins at different positions on the jacquard sheet are consistent, the problem that individual firing pins on the jacquard sheet are seriously worn in the prior art is solved, and the service life of the jacquard sheet is prolonged.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A selector jack set of a selector jack, comprising a plurality of selector jacks (20) drivingly and swingably connected to a housing (10) of the selector jack by means of a stitch bond (40) and in one-to-one correspondence with striker rods (51) projecting from a jacquard jack (50), the swing axes of the plurality of selector jacks (20) being parallel to each other and lying in the same plane, each selector jack (20) having a cutter head (21) projecting from the housing (10), the cutter head (21) having a bevel (22) capable of sliding contact with a striker rod (51) of the jacquard jack (50) corresponding to the cutter head (21), the cutter head (21) having at least two operating positions, when in a first operating position, the bevel (22) being in position and in sliding contact with a striker rod (51) corresponding to the same, and when the cutter head (21) is in a second operating position, the bevel (22) being staggered up and down with respect to the striker rod (51) corresponding to same, characterized in that: the inclined plane (22) forms an acute angle alpha with the length direction of the needle selecting pieces (20), and the angle alpha corresponding to the inclined plane (22) of the needle selecting pieces (20) is gradually increased according to the arrangement sequence from top to bottom.
2. The selector jack set of the selector jack of claim 1, wherein: the included angle alpha is 60-70 degrees.
3. The selector jack set of the selector jack of claim 1, wherein: the cutter head (21) and the needle selecting piece (20) are integrally formed.
4. The selector jack set of the selector jack of claim 1, wherein: each needle selecting piece (20) is correspondingly and fixedly connected to a base (60), a rotating shaft (30) is arranged on the base (60) in a penetrating mode in a pivotable mode, and two ends of the rotating shaft (30) are connected with the shell (10) respectively.
5. The selector jack set of the selector jack of claim 4, wherein: the other end of the needle selecting piece (20) opposite to the end where the cutter head (21) is located is provided with a connecting part (23), and the connecting part (23) is connected to the inside of the base (60).
6. The selector jack set of the selector jack of claim 4, wherein: the two ends of the rotating shaft (30) respectively extend out of the base (60) and are spliced with the shell (10).
7. The selector jack set of the selector jack of claim 4, wherein: the base (60) is connected with a magnet (70) magnetized by bipolar, and the magnet (70) is opposite to the coil combination piece (40) of the needle selector.
8. The selector jack set of the selector jack of claim 7, wherein: the magnet (70) is magnetized by double poles to form a first side part (71) and a second side part (72), the two ends of the first side part (71) are respectively an N pole and an S pole, one end of the second side part (72) adjacent to the N pole of the first side part (71) is an S pole, and one end adjacent to the S pole of the first side part (71) is an N pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268183.3A CN108265383B (en) | 2018-03-29 | 2018-03-29 | Needle selecting sheet group of needle selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268183.3A CN108265383B (en) | 2018-03-29 | 2018-03-29 | Needle selecting sheet group of needle selecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108265383A CN108265383A (en) | 2018-07-10 |
| CN108265383B true CN108265383B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268183.3A Active CN108265383B (en) | 2018-03-29 | 2018-03-29 | Needle selecting sheet group of needle selecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108265383B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736003B (en) * | 2019-03-09 | 2024-05-03 | 绍兴鸿骏机械有限公司 | Jacquard mechanism of jacquard circular knitting machine |
| CN110714252B (en) * | 2019-11-22 | 2024-05-14 | 浙江慧林智能设备有限公司 | High-integration electronic jacquard needle-selecting electromagnet |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1336243A (en) * | 1970-01-21 | 1973-11-07 | Precision Fukuhara Works Ltd | Needle selection device for pattern knitting of knitting machine |
| US3805555A (en) * | 1970-07-02 | 1974-04-23 | Fouquet Werk Frauz & Planck | Multi-system circular knitting machine with needle selection device, and method for needle selection |
| CN2265989Y (en) * | 1996-06-18 | 1997-10-29 | 陈淑贞 | Needle selector for knitter |
| CN2483406Y (en) * | 2001-08-20 | 2002-03-27 | 杭州电脑绣花机厂 | Needle handling type magnetic holding selecting device |
| KR20060112405A (en) * | 2005-04-27 | 2006-11-01 | 주식회사 한국로보트 | Electronic circular knitting machine |
| CN2841703Y (en) * | 2005-10-26 | 2006-11-29 | 吴其来 | A kind of needle selection device of knitting machine |
| CN203222657U (en) * | 2013-04-23 | 2013-10-02 | 林芳 | Needle selecting cutter blade |
| CN203498598U (en) * | 2013-09-26 | 2014-03-26 | 杭州乔辉电子科技有限公司 | Eight-section wear-resistant needle selector |
| CN203653900U (en) * | 2013-10-14 | 2014-06-18 | 钟玲 | Improved structure of electromagnetic operating module for needle selecting machine |
| CN204434892U (en) * | 2015-01-08 | 2015-07-01 | 惠安金天梭精密机械有限公司 | The knitting slide cam selector of modified |
| CN208136452U (en) * | 2018-03-29 | 2018-11-23 | 常熟长润智能科技有限公司 | The selection piece group of slide cam selector |
-
2018
- 2018-03-29 CN CN201810268183.3A patent/CN108265383B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1336243A (en) * | 1970-01-21 | 1973-11-07 | Precision Fukuhara Works Ltd | Needle selection device for pattern knitting of knitting machine |
| US3805555A (en) * | 1970-07-02 | 1974-04-23 | Fouquet Werk Frauz & Planck | Multi-system circular knitting machine with needle selection device, and method for needle selection |
| CN2265989Y (en) * | 1996-06-18 | 1997-10-29 | 陈淑贞 | Needle selector for knitter |
| CN2483406Y (en) * | 2001-08-20 | 2002-03-27 | 杭州电脑绣花机厂 | Needle handling type magnetic holding selecting device |
| KR20060112405A (en) * | 2005-04-27 | 2006-11-01 | 주식회사 한국로보트 | Electronic circular knitting machine |
| CN2841703Y (en) * | 2005-10-26 | 2006-11-29 | 吴其来 | A kind of needle selection device of knitting machine |
| CN203222657U (en) * | 2013-04-23 | 2013-10-02 | 林芳 | Needle selecting cutter blade |
| CN203498598U (en) * | 2013-09-26 | 2014-03-26 | 杭州乔辉电子科技有限公司 | Eight-section wear-resistant needle selector |
| CN203653900U (en) * | 2013-10-14 | 2014-06-18 | 钟玲 | Improved structure of electromagnetic operating module for needle selecting machine |
| CN204434892U (en) * | 2015-01-08 | 2015-07-01 | 惠安金天梭精密机械有限公司 | The knitting slide cam selector of modified |
| CN208136452U (en) * | 2018-03-29 | 2018-11-23 | 常熟长润智能科技有限公司 | The selection piece group of slide cam selector |
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| Publication number | Publication date |
|---|---|
| CN108265383A (en) | 2018-07-10 |
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