CN101469484A - Needle selecting apparatus of flat knitting machine - Google Patents
Needle selecting apparatus of flat knitting machine Download PDFInfo
- Publication number
- CN101469484A CN101469484A CNA2008101895070A CN200810189507A CN101469484A CN 101469484 A CN101469484 A CN 101469484A CN A2008101895070 A CNA2008101895070 A CN A2008101895070A CN 200810189507 A CN200810189507 A CN 200810189507A CN 101469484 A CN101469484 A CN 101469484A
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- needle
- rod member
- bobbin
- lever component
- selecting device
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Abstract
The present invention provides a needle selector of flat knitting machine, wherein the needle selector is provided with an oscillating actuator which hardly has adverse action caused by the metal powder generated in the knitting action. The needle selector comprises the following components: a tubular bobbin (10); magnet exciting coils (11) configured on the tubular bobbin (10); a lever component (30) which has one end projected from the bobbin (10) and the other end that is axially supported in the bobbin (10); and magnetic components (a side magnetic yoke (22) and a side magnetic yoke (29)). The lever component is relatively configured with a clamping mode at one end of lever component (30). The lever component (30) uses the electromagnetic force along with the field excitation of magnetic exciting coil (11) for swinging between two side magnetic yokes (22, 29), and the needle selection of knitting needle is executed through the swinging of the lever component (30). Furthermore, the lever component (30) is provided with a covering part (41) which covers a clearance formed between the lever component (30) and two side magnetic yokes (22, 29) from the outside of clearance.
Description
Technical field
The present invention relates to the needle selecting device of straight-bar machines.The metal dust that produces when particularly, the present invention relates to reduce the braid movement of straight-bar machines etc. invades the needle selecting device of the straight-bar machines of the inner and bad possibility of action that causes of swing type actuator that needle selecting device possesses.
Background technology
Straight-bar machines comprises the cam carrier of needle-bar and reciprocating action on the length direction of needle-bar, when weaving, by the knitting cam that cam carrier possessed a plurality of knitting needles that are set up in parallel on needle-bar is advanced and retreat and making knit fabric to the length direction of needle tray.Knitting needle generally includes pin main body with pinhock, be used to needle jack, selection piece and needle selection slyder that this pin main body is advanced and retreat as required.Whether the basic braid movement that this knitting needle carries out has these 3 kinds of lopping, tuck, flotation line, be equipped on needle selection that the needle selecting device on the cam carrier possesses selection piece by utilization and sink to decide in the needle tray with the pin heel and make knitting needle carry out which kind of braid movement.
As the needle selecting device of above-mentioned straight-bar machines, utilized the swing type actuator in the past.As representational swing type actuator, for example known actuator just like patent documentation 1 record.Fig. 1 as the document is extremely shown in Figure 3, this swing type actuator has following structure: with the yoke of ferromagnetism body and the outside of side yoke encirclement magnet exciting coil, the rod member of the ferromagnetism body that can swing in the inner setting of the bobbin of magnet exciting coil, the end that a near end of rod member both sides make yoke and side yoke toward each other, and between the other end of yoke and side yoke the clamping permanent magnet.The rod member of swing type actuator, when magnet exciting coil not being switched on, near side yoke one side, when magnet exciting coil switch on, magnet exciting coil was by excitation and close yoke one distolateral by permanent magnet magnetic force.That is, the swing type actuator has to have or not by the energising to magnet exciting coil and makes the structure of rod member to distolateral or side yoke one side oscillation of yoke.
Fastening at the front end of the rod member of above-mentioned swing type actuator has actuator triangle, this actuator triangle to directly act on the needle selection that selection piece is provided with to call in person with pin, by the swing of above-mentioned rod member, and actuator three angular oscillatory motions.The needle selection that the actuator triangle of being swung is positioned at selection piece is with on the position of pin heel the time, and the actuator triangle is pushed needle selection with the pin heel and sink to (not needle selection state) in the needle tray.On the contrary, when the actuator triangle retreated from the position that needle selection is called in person with pin, needle selection did not sink to (needle selection state) in the needle tray with the pin heel.
Patent documentation 1: 6-No. 29118 communiques of Japanese kokai publication hei
But cam carrier (knitting cam), knitting needle, needle-bar etc. are nearly all formed by Ferrious material with the relevant parts of braiding, may contact between these parts when weaving and produce fine metal dust.Gap or gap rod member and side yoke between when invading the inside of swing type actuator of this metal dust between rod member and yoke, the magnetic circuit turmoil of swing type actuator and move and become unstable might produce the needle selection mistake.Wherein, at the swing type actuator that straight-bar machines possessed, such as patent documentation 1 record, rod member is configured towards downside, but might invade the inside of swing type actuator from above-mentioned gap because of the effect metal dust of magnetic force.
Summary of the invention
The present invention makes in view of the above problems, the needle selecting device of the bad straight-bar machines that is difficult to take place of the action that the metal dust that its main purpose produces when being to be provided at braid movement causes.
The needle selecting device of straight-bar machines of the present invention wherein, comprising: the bobbin of tubular; Be configured in the magnet exciting coil on this bobbin; Rod member, the one end is outstanding laterally from bobbin, and its other end axle is supported in the bobbin; And magnetic part, distolaterally clip rod member and relatively configuration at one of rod member, the electromagnetic force of the excitation by following above-mentioned magnet exciting coil, above-mentioned rod member is swung between two magnetic parts, carries out the needle selection of knitting needle by the swing of this rod member.The needle selecting device of straight-bar machines of the present invention is characterized in that, in the rod member on being located at needle selecting device, is provided with from the covering portion in this gap of outer side covers that is formed at the gap between rod member and two magnetic parts.
The above-mentioned covering portion that is located on the rod member needn't be set as the above-mentioned gap of sealing, as long as have following size: this size does not hinder the swing of rod member, during from top observation needle selecting device, irrespectively can't see above-mentioned gap with the swing position of rod member.As the preferred shape of this covering portion, can enumerate in fact circular-arc along the swinging track of above-mentioned rod member.
The needle selecting device of straight-bar machines of the present invention, owing to have the covering portion that covers the gap between rod member 2 magnetic parts relative, thereby can prevent that foreign matter such as metal dust from invading the part that is configured for making the magnetic circuit that rod member swings from the outside of needle selecting device by this gap with clipping rod member.Its result, it is disorderly and the action needle selecting device that causes is bad to suppress above-mentioned magnetic circuit, thereby can prevent the needle selection mistake effectively.And, wish the high speed of braiding speed in recent years, worry a large amount of generations the such as metal dust that the contact between the parts relevant with braiding such as knitting cam, knitting needle, needle-bar causes, even but produce metal dust in a large number, can effectively prevent also that by covering portion the action of needle selecting device is bad.
And, when forming in fact the shape that is located at the covering portion on the rod member along the swinging track of rod member circular-arc, not only effectively prevent intrusion from the axial foreign matter of rod member, also effectively prevent intrusion from the foreign matter of the swaying direction side of rod member.
Description of drawings
The brief description figure of Fig. 1 needle selection action that to be expression undertaken by the needle selecting device of straight-bar machines.
Fig. 2 (A) is the vertical view of needle selecting device, Fig. 2 (B) be the X-X of Fig. 2 (A) to view, Fig. 2 (C) is the front view of actuator triangle.
Fig. 3 is the perspective view of swing type actuator.
Fig. 4 (A) is the part perspective view from top observation swing type actuator, Fig. 4 (B) be the Y-Y section of Fig. 4 (A) to view, Fig. 4 (C) is that the Z-Z section of Fig. 4 (B) is to view.
Label declaration
100 needle selecting devices
200 cam carriers
1 swing type actuator
The 1M peristome
The 1S swinging axle
2 frameworks
3 fixed heads
10 bobbins
The 10B basal part
10C magnet exciting coil formation portion
The 10F flange part
10H keeps lid
11 magnet exciting coils
20 yokes
20A one end
20B the other end
21 permanent magnets
22 side yokes
28 pads
29 side yokes
30 rod members
31 rod member main bodys
40 rod members lid
41 covering portions
5,51～58 selection pieces
6,61～68 needle selections are called in person with pin
7,71～78 actuator triangles
701 service portions
702 buckling parts
703 axis holes
8 back shafts
The specific embodiment
Embodiments of the present invention are described below with reference to the accompanying drawings.At first, the needle selection of the knitting needle in the straight-bar machines is briefly explained, then the needle selecting device to straight-bar machines is elaborated.
Fig. 1 is the brief description figure of the needle selection action of the relevant knitting needle that is undertaken by the needle selecting device of straight-bar machines.And Fig. 2 (A) is the vertical view of needle selecting device; Fig. 2 (B) is that the X-X of Fig. 2 (A) is to view; Fig. 2 (C) is the skeleton diagram of the actuator triangle that possesses of needle selecting device.Wherein, figure is shown with the state of observing the needle selecting device shown in Fig. 2 (A) from lower surface in Fig. 1.
Straight-bar machines as basic, utilizes the knitting needle making knit fabric that is made of a plurality of parts (pin main body, needle jack, selection piece and needle selection slyder) combination with lopping, tuck, these 3 kinds of braid movements of flotation line.Knitting needle is located in the needle tray of needle-bar side by side, carries out any braid movement in lopping and the tuck by advancing and retreat along the length direction of needle tray.And by making knitting needle not in the length direction advance and retreat of needle tray, braid movement becomes flotation line.In Fig. 1, in the parts that constitute knitting needle, only represent selection piece 51～58, sink in the needle tray with pin heel 61～68 by the needle selection that this selection piece 51～58 is possessed, above-mentioned which kind of braid movement (about the details of braid movement, for example with reference to Japanese kokai publication hei 1-104863 communique etc.) is carried out in decision.
On the other hand, the needle selection of selection piece 51～58 is sunk to pin heel 61～68, undertaken by the needle selecting device 100 that is equipped on the cam carrier 200.This needle selecting device 100 has a plurality of actuator triangles 71～78, each actuator triangle 71～78 with between adjacent selection piece, depart from and each needle selection of forming is corresponding with pin heel 61～68 along the length direction of selection piece 51～58.That is, make cam carrier 200 on needle-bar when mobile under the state shown in Figure 1, each actuator triangle 71～78 is pushed corresponding needle selection with pin heel 61～68, and needle selection is sunk in the needle tray with pin heel 61～68.And, from state shown in Figure 1, during actuator triangle (for example the actuator triangle 75) swing arbitrarily, even cam carrier 200 moves on needle-bar, the actuator triangle 75 of swing does not act on pin heel 65 needle selection yet, and needle selection can not sink to (with reference to Fig. 2 (B)) with pin heel 65.
To above-mentioned needle selecting device 100 and then at length describe, as shown in Figure 2, needle selecting device 100 comprises: framework 2; Be installed in 8 swing type actuators 1 on this framework 2; A plurality of actuator triangles 7 with rod member 30 fastenings of each swing type actuator 1, are swung on the length direction of selection piece 5; With fixed head 3 (omitting in Fig. 2 (A)), fixedly the swing type actuator 1.Actuator triangle 7 is the shape shown in Fig. 2 (C), and it comprises: service portion 701 acts on needle selection and calls in person 6 with pin; Axis hole 703 is used for a support actuator triangle 7; With buckling parts 702, with rod member 30 fastenings of swing type actuator 1.The back shaft 8 that this actuator triangle 7 constitutes by inserting axis hole 703 is installed on the framework 2, is that swing freely at the center with back shaft 8.And the buckling parts 702 of actuator triangle 7 is about being formed on according to the position deviation of the swing type actuator 1 of the rod member 30 with fastening arbitrarily on axis hole 703 1 sides.By this structure, during rod member 30 swings of swing type actuator 1, the actuator triangle 7 that fastens with rod member 30 serves as a swing spot wobble with back shaft 8.Wherein, the quantity that is located at the swing type actuator 1 on the framework 2 is not limited to 8, and its configuration also is not limited to state among the figure.According to illustrated configuration status, can make needle selecting device 100 become compact at the less a plurality of swing type actuators 1 of configuration in the space that are provided with.
According to Fig. 3, Fig. 4 the details of the swing type actuator that needle selecting device possessed of straight-bar machines are described below.
Fig. 3 is the perspective view of swing type actuator; Fig. 4 (A) is the skeleton diagram of swing type actuator, and Fig. 4 (A) is the part perspective view of observing from above, Fig. 4 (B) be the Y-Y section of Fig. 4 (A) to view, Fig. 4 (C) is that the Z-Z section of Fig. 4 (B) is to view.
(overall structure of swing type actuator)
(each structure member of swing type actuator)
Bobbin 10 comprises basal part 10B, the magnet exciting coil formation 10C of portion and flange part 10F.On the magnet exciting coil formation 10C of portion of bobbin 10, be formed with the magnet exciting coil 11 that forms at the magnet exciting coil formation 10C of portion volume subsides coated wire.
As mentioned above, the other end of rod member 30 is supported on via swinging axle 1S axle on the basal part 10B of bobbin 10, and it is that swing freely at the center that rod member 30 constitutes with this swinging axle 1S.
Periphery at magnet exciting coil 11 disposes the yoke that roughly is the U font 20 that is formed by the ferromagnetism body.On the U of this yoke 20 font corner part, be fixed with above-mentioned basal part 10B, between an end 20A of yoke 20 and the other end 20B, dispose the distolateral of rod member 30.And, on the flange part 10F of bobbin 10, dispose with the permanent magnet 21 of the rectangular plate shape of an end 20A butt of yoke 20 and with the side yoke 22 that roughly is the L font that forms by the ferromagnetism body of these permanent magnet 21 butts.And, on flange part 10F, dispose with the pad 28 that forms by the rectangular plate shape nonmagnetic material of the other end 20B butt of yoke 20 and with the side yoke 29 that roughly is the L font that forms by the ferromagnetism body of these pad 28 butts.And, the maintenance of nonmagnetic material material (for example being made by the polybutylene terephthalate (PBT) resin) lid 10H and flange part 10F fastening are with the end 20A that covers above-mentioned yoke 20 and the periphery of the other end 20B, permanent magnet 21, side yoke 22,29 and pad 28.From covering the peristome 1M that 10H forms by these side yokes 22, side yoke 29 and maintenance, a distal process that is housed in the rod member 30 of bobbin 10 inside goes out.
On rod member that rod member 30 is possessed lid 40, has covering portion 41, even in fact described covering portion 41 during to the either side swing of side yoke 22 sides, side yoke 29 sides, also covers the gap between peristome 1M and the rod member 30 (rod member main body 31) at rod member 30.Covering portion 41 forms, and being during from top view swing type actuator 1 with swinging axle 1S is circular-arc (with reference to Fig. 4 (B)) at center, during from top observation swing type actuator 1 rectangular (with reference to Fig. 4 (A)).By this covering portion 41, even when the braid movement of straight-bar machines, when producing metal dust with the contact between the pin heel 6 etc., can prevent that also the metal dust that is produced from invading the inside of swing type actuator 1 via peristome 1M because of the service portion 701 of the contact between knitting cam, knitting needle, needle-bar, needle selecting device etc. and the relevant metal parts of braiding, the actuator triangle 7 shown in for example Fig. 2 (B) and needle selection.Its result can suppress that foreign matter is sneaked into inside and the action of the swing type actuator 1 that causes is bad, also suppresses the needle selection mistake of needle selecting device.Particularly, covering portion 41 forms with swinging axle 1S when being center circular-arc, is difficult to produce gap (especially with reference to Fig. 2 (B)) between covering portion 41 and the side yoke 22,29.And, when forming the upper surface of side yoke 22,29 along covering portion 41 underside shapes circular-arc, more be difficult to produce the gap between covering portion 41 and the side yoke 22,29, thus preferred.
And, because above-mentioned rod member lid 40 is nonmetallic materials, thereby the contact between the buckling parts 702 of rod member 30 and actuator triangle 7 produces metal dust hardly, and, because rod member lid 40 is not magnetized, thereby on the metal dust that produces on the metal parts relevant with braiding is difficult to attached to rod member 30.Thus, can suppress that foreign matter is sneaked into the inside of swing type actuator 1 and the unfavorable condition that causes.
In addition, embodiments of the present invention are not limited to above-mentioned embodiment, can suitably change in the scope that does not break away from main idea of the present invention.Even for example the shape of change side yoke 22,29 needs only covering portion 41 and covers peristome 1M.
The industry practicality
The wrong lower straight-bar machines of possibility of the applicable do braiding of the knit selector of straight-bar machines of the present invention Knitting member.
Claims (2)
1. the needle selecting device of a straight-bar machines comprises: the bobbin of tubular; Be configured in the magnet exciting coil on this bobbin; Rod member, the one end is outstanding laterally from bobbin, and its other end axle is supported in the bobbin; And magnetic part, distolaterally clip rod member and relatively configuration at one of rod member, the electromagnetic force of the excitation by following described magnet exciting coil, described rod member is swung between two magnetic parts, carries out the needle selection of knitting needle by the swing of this rod member, it is characterized in that,
Described rod member is provided with from the covering portion in this gap of outer side covers that is formed at the gap between rod member and two magnetic parts.
2. the needle selecting device of straight-bar machines as claimed in claim 1 is characterized in that, described covering portion forms in fact circular-arc along the swinging track of described rod member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-337420 | 2007-12-27 | ||
| JP2007337420 | 2007-12-27 | ||
| JP2007337420A JP2009155776A (en) | 2007-12-27 | 2007-12-27 | Needle selector of flat knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101469484A true CN101469484A (en) | 2009-07-01 |
| CN101469484B CN101469484B (en) | 2012-05-30 |
Family
ID=40827270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101895070A Expired - Fee Related CN101469484B (en) | 2007-12-27 | 2008-12-29 | Needle selecting apparatus of flat knitting machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009155776A (en) |
| CN (1) | CN101469484B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041615A (en) * | 2010-11-26 | 2011-05-04 | 浙江理工大学 | Mounting plate for electromagnet type glove machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162658A (en) * | 1996-03-19 | 1997-10-22 | 株式会社福原精机制作所 | Piezoelectric-body control apparatus and knitting-tool control apparatus having thereof |
| CN2259414Y (en) * | 1996-03-29 | 1997-08-13 | 王仁善 | Computer jacquard needle-selecting device for circular knitter |
| JP2002266210A (en) * | 2000-12-27 | 2002-09-18 | Mitsutech Kk | Actuator apparatus in needle selection device for knitting machine |
-
2007
- 2007-12-27 JP JP2007337420A patent/JP2009155776A/en active Pending
-
2008
- 2008-12-29 CN CN2008101895070A patent/CN101469484B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041615A (en) * | 2010-11-26 | 2011-05-04 | 浙江理工大学 | Mounting plate for electromagnet type glove machine |
| CN102041615B (en) * | 2010-11-26 | 2013-04-24 | 浙江理工大学 | Mounting plate for electromagnet type glove machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009155776A (en) | 2009-07-16 |
| CN101469484B (en) | 2012-05-30 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |