CN102477662B - Compound needle for flatbed knitting machine - Google Patents
Compound needle for flatbed knitting machine Download PDFInfo
- Publication number
- CN102477662B CN102477662B CN201110362039.4A CN201110362039A CN102477662B CN 102477662 B CN102477662 B CN 102477662B CN 201110362039 A CN201110362039 A CN 201110362039A CN 102477662 B CN102477662 B CN 102477662B
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- China
- Prior art keywords
- needle
- joint portion
- recess
- width
- pinhock
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/06—Sliding-tongue needles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
There is provided a compound needle for a flatbed knitting machine with no need to strongly fix a joining part as a slider in post-process operations. [Solution] An upper joining part (11c) of a base body (11) shown in (a) is joined to lower joining parts (12c, 13c) of the blades (12, 13) to form a joining part (15) shown in (b). Concave parts (12d, 13d) are respectively provided with narrowing parts (12e, 13e) in which the width between side walls is narrower than the width of an opening, and a convex part (11e) is provided with a widening part (11g) having the wider width than that of the narrowing parts (12e, 13e). The concave parts (12d, 13d) are elastically deformed midway through the insertion in the vertical direction, and the widening part (11g) is allowed to pass through the narrowing parts (12e, 13e). Thus, it is possible to join the two blades (12, 13) to the base body (11) as similar to the snap fitting of synthetic resin products. A groove (11d) provided at the tip end of the convex part (11e) sandwiches the blades (12, 13) below the concave parts (12e, 13e), so that it is possible to prevent the blades (12, 13) from coming off in the plate thickness direction.
Description
Technical field
The present invention relates to the needle tray being contained in and being formed on the needle-bar of straight-bar machines, and utilize pusher jack to make the compound needle of the straight-bar machines of pinhock opening and closing.
Background technology
All the time, in straight-bar machines, the multiple needle tray of spread configuration on needle-bar, drives in the mode that the pinhock of front end is retreated relative to the tooth mouth of needle-bar end the knitting needle being contained in each needle tray, utilizes the stocking yarn making knit fabric to pinhock supply at tooth mouth.As knitting needle, there is the compound needle utilizing pusher jack to make pinhock opening and closing.Particularly, if formed as the needle latch utilizing pusher jack to make the part of pinhock opening and closing with two blades, then needle latch can be crossed pinhock and move, and can also carry out the barring-on (such as with reference to patent document 1) utilizing pusher jack.
In addition, the needle-bar of straight-bar machines is high with tooth mouth side, tilt away from the mode of step-down during tooth mouth, but the convenience in order to illustrate, in the following description, if tooth mouth side be front, away from tooth mouth side be after, thus determine fore-and-aft direction.In addition, as the above-below direction perpendicular to fore-and-aft direction, it is upper for being located at the direction of floating in needle tray, under the direction sunk in needle tray is.Further, if the width of the needle tray seen from front is left and right directions.In addition, diagram is omitted for needle-bar, needle tray.
Fig. 3 represents disclosed in patent document 1 grade, forms the local formation of the pusher jack of the compound needle of needle latch in the front end of two blades.Fig. 3 (a) represents that the left surface of matrix 1 forms and forms from the section cutting off upper thread A-A observation.The section of this part forms asymmetric about center line 1a.From the rear of matrix 1, be uprightly provided with pin heel 1b, be received in the guiding function produced along the triangle that the cam carrier of needle-bar movement carries.At the middle upper joint portion 1c arranged of the front and rear of matrix 1, there is the recess 1e in the face of the elongated slot 1d of left side side is communicated with at left and right sides side's opening.Becoming between upper joint portion 1c and pin heel 1b can the arm 1f of flexibly deflection deformation.In addition, by fore-and-aft direction, expression is shortened to arm 1f.
Fig. 3 (b) represents that overlooking of the blade 2 on right side is formed and left surface formation.Fig. 3 (c) represents that overlooking of the blade 3 in left side is formed and left surface formation.Fig. 3 (d) represents that overlooking of pusher jack 4 is formed and left surface formation.The bound fraction 5 of the matrix 1 shown in Fig. 3 (d) and blade 2,3 is amplified expression by Fig. 3 (e).
Namely the pusher jack 4 of compound needle is for being formed the matrix 1 being utilized punch process etc. to be formed by metallic plate and two blade 2,3 combinations with bound fraction 5.Each blade 2,3 has needle latch 2a, 3a respectively in front portion, and bottom is contained in omitting the slider groove that illustrated pin body is formed, and relatively moves forwards, backwards, utilize needle latch 2a, 3a to make the pinhock opening and closing of pin body in slider groove.On blade 2,3, continue with needle latch 2a, 3b, form bend from upper end to the external opening of slider groove 2b, 3b.Lower joint portion 2c, 3c is provided with at the rear portion of blade 2,3.Lower joint portion 2c, 3c have in conjunction with pin heel 2d, 3d and afterbody 2e, 3e of rearward extending.Be provided with arm 2f, 3f being provided with between the front portion of needle latch 2a, 3a and bend 2b, 3b and the rear portion being provided with lower joint portion 2c, 3c, front portion can utilize elastic deformation to swing.The afterbody 3e of blade 3 slidingly contacts with the sidewall elastomer with needle tray and becomes the mode of resistance to sliding, bloats to side.On bound fraction 5, the recess 1e of matrix 1 and pin heel 2d, 3d of blade 2,3 combine, and are provided with ca(u)lk portion 5a, 5b, 5c around, form the firmly combination that can not pull down.
[at first technical literature]
[patent document]
[patent document 1] Japan Patent No. 2946323 publication
Summary of the invention
In bound fraction 5 on the pusher jack 4 shown in Fig. 3, need to make matrix 1 and two blades 2,3 combine accurately, but relative to pin heel 2d, 3d and afterbody 2e, 3e of lower joint portion 2c, 3c, the elongated slot 1d of the upper joint portion 1c that their combine and recess 1e is formed slightly largely.Therefore, after called in person by pin 2d, 3d, afterbody 2e, 3e insert elongated slot 1d, recess 1e, the operation of the rear operation that needs carry out reorientating and fix.Location such as makes the upper surface of afterbody 2e, 3e abut with the upper wall surface of elongated slot 1d and carry out.The front portion of blade 2,3 is when the relative movement relative to pin body, and what formed in the bottom surface of slider groove concavo-convexly becomes triangle and swing.Due to this swing, large bending moment is applied to bound fraction 5, likely removes combination, therefore need arrange ca(u)lk portion 5a, 5b, 5c etc. and be fixed securely.
The object of this invention is to provide the compound needle not needing to firmly fix the straight-bar machines of the bound fraction as pusher jack in rear operation.
The invention provides a kind of compound needle of straight-bar machines, combination has pin body and pusher jack, described pin body is contained in the needle tray be arranged on the needle-bar of straight-bar machines, in front portion, there is pinhock and can move back and forth in the longitudinal direction along needle tray, described pusher jack has the needle latch that makes pinhock opening and closing and can relative to the relative movement in the longitudinal direction of pin body in front portion
Pusher jack comprises open-close body and matrix, and described open-close body is configured at below in needle tray, has needle latch in front portion, have lower joint portion at rear portion, described matrix is compared open-close body and is configured by the top in needle tray, has the upper joint portion be combined with the lower joint portion of open-close body, it is characterized in that, comprising:
Recess, is located at a side of lower joint portion or upper joint portion, to the opposing party's side opening, has the sidewall extended to a side side from the two ends of openend, is provided with the narrow part that the width between sidewall is narrower than the width of openend in the longitudinal direction;
Protuberance, is located at the opposing party of lower joint portion or upper joint portion, is provided with the wide cut part that the width of fore-and-aft direction is wider than the narrow part of recess, insert from the opposing party's side direction recess and combine, the midway of inserting, wide cut part can utilize the elastic deformation of recess by the narrow part of recess
At the bound fraction of recess and protuberance, be provided with groove in the centre of the thickness of any one party, in any the opposing party's insertion groove.
The invention is characterized in addition, the open-close body of described pusher jack be both sides from described needle latch to described pinhock separately and two blades can pinhock crossed and advance.
The invention is characterized in addition, described recess is formed in the part of described two blade overlaps as described lower joint portion,
The groove arranged in the lower end of the described protuberance as joint portion on described clamps the part becoming the below of recess in the part of two blade overlaps under the state of described combination.
[invention effect]
According to the present invention, in pusher jack, the recess that Xiang Yi side is arranged is inserted in the protuberance that the opposing party is arranged, and carries out the combination of the lower joint portion of open-close body and the upper joint portion of matrix.On recess, be provided with the narrow part that the width between sidewall is narrower than the width of openend, on protuberance, be provided with the wide cut part that width is wider than narrow part.In the midway of the insertion of above-below direction, recess elastic deformation and wide cut part can by narrow parts, therefore, it is possible to open-close body and matrix are combined at bound fraction.On bound fraction, vertically, wide cut part by being stoped by narrow part, therefore, it is possible to only utilize insertion to be fixed.To width also, recess and protuberance combine by inserting the opposing party to the groove of a side, therefore, it is possible to avoid departing from.Therefore, after formation bound fraction, the necessity of carrying out for the aft-loaded airfoil firmly fixed can be eliminated.
In addition according to the present invention, even if utilize two blades to form the open-close body of pusher jack, also only can utilize and insert to matrix and combine and fix.
In addition according to the present invention, at the matrix of pusher jack and the bound fraction of two blades, be provided with recess in the lower joint portion of two blade-side.Utilization clamps the part below the recess in the part of two blade overlaps at the groove of the front end of the protuberance of the upper joint portion of matrix side setting, therefore, it is possible to avoid blade to depart from from bound fraction to width.
Accompanying drawing explanation
Fig. 1 represents the partial left side view and elevation cross-sectional view that form as the matrix 11 of the compound needle of one embodiment of the invention and the bound fraction 15 of blade 13.
Fig. 2 is the partial left side view of the matrix 11 of Fig. 1 and the left side view of blade 13 and pin body 16 and compound needle 17.
Fig. 3 is the left side view of the bound fraction 5 of the pusher jack 4 represented in existing compound needle, top view and sectional view.
[label declaration]
11 matrixes
The upper joint portion of 11c
11d groove
11e protuberance
11g wide cut part
12,13 blades
Joint portion under 12c, 13c
12d, 13d recess
The narrow part of 12e, 13e
14 pusher jacks
15 bound fractions
16 pin bodies
17 compound needles
Detailed description of the invention
Below, in FIG, represent that the local as the bound fraction 15 of the compound needle of one embodiment of the invention is formed.In Fig. 2, represent the formation possessing the compound needle 17 of the bound fraction 15 of Fig. 1.Wherein, the reference label identical to the part mark first illustrated, or to the part corresponding with the part illustrated in figure 3, only the numerical value of ten is different, sometimes marks identical reference label to other parts and the repetitive description thereof will be omitted.In addition, for the part do not recorded in the accompanying drawing of description object, sometimes mark first illustrate with reference to label and mentioning.
[embodiment]
Fig. 1 (a) represents the state that matrix 11 is separated with the blade 13 as open-close body.In the upper joint portion 11c of matrix 11, be provided with groove 11d in front end, there is protuberance 11e outstanding downwards.At the rear of upper joint portion 11c, arm 11f is formed in the mode extended.The width of the fore-and-aft direction of protuberance 11e is maximum at wide cut part 11g.Blade 13 has the lower joint portion 13c be combined with upper joint portion 11c.Lower joint portion 13c is provided with the recess 13d of opening upward.Recess 13d is provided with width between the sidewall that extends from the both sides of the openend narrow part 13e narrower than the width of open end downwards.Blade 13 similarly different from the blade 2,3 of Fig. 3 with front blade 12 overlap use.The right side of Fig. 1 (d) represents that the section from cutting off upper thread A-A observation is formed.In the same manner as blade 13, blade 12 is also arranged lower joint portion 12c and recess 12d.
Fig. 1 (b) represents state matrix 11 and blade 12,13 combination being formed bound fraction 15.Represent on right side at bound fraction 15 from the section formation cutting off upper thread B-B observation.On recess 12d, 13d, be provided with narrow part 12e, 13e that the width between sidewall is narrower than the width of openend, on protuberance 11e, be provided with the wide cut part 11g that width is wider than narrow part 12e, 13e.In the midway of the insertion of above-below direction, recess 12d, 13d elastic deformation and wide cut part 11g can by narrow part 12e, 13e, therefore, it is possible to utilize upper joint portion 11c and lower joint portion 12c, 13c open-close body and matrix 11 to be combined.By this combination, vertically, wide cut part 11g by being stoped by narrow part 12e, 13e, therefore only utilize insert namely can be fixed.In the below of recess 12d, 13d, the groove 11d of the front end of the partial insertion protuberance 11e of two blade 12,13 overlaps and combining, therefore only utilizes the insertion of above-below direction just can prevent from departing from the direction of the width.Therefore, after the formation of bound fraction 15, the necessity of carrying out for the aft-loaded airfoil be fixed securely can be eliminated.
Fig. 2 represents the formation of the compound needle 17 as embodiments of the invention, the matrix 11 as critical piece, blade 13 and pin body 16.Matrix 11 shown in Fig. 2 (a) has the upper joint portion 11c illustrated at Fig. 1, and has elongated slot 11h in forward lower part.Elongated slot 11h is formed with the state of opening downwards in the centre of width.At the rear of matrix 11, arm 11f extends, and the pin being also uprightly provided with the 1b that to call in person with the pin shown in Fig. 3 (a) same is called in person, but the diagram of eliminating.
Blade 13 shown in Fig. 2 (b) has needle latch 13a and bend 13b in front portion, and has rake 13f.Needle latch 13a and bend 13b is identical with the needle latch 3a of Fig. 3 (c) and bend 3b respectively.Rake 13f is arranged to make needle latch 13a sink when moving back circle.When moving back circle, pin body advances, and needle latch 13a relatively retreats, and the pinhock of pin body is opened, and accepts by needle latch 13a the coil being hooked in pinhock.Now, in order to not become the obstacle of coil transfer, need to make needle latch 13a sink to the slider groove of pin body.For the illustrated blade 12 of omission too.
Pin body 16 shown in Fig. 2 (c) has pinhock 16a in front end, is formed with slider groove 16b at the shank continued with pinhock 16a.In the forward portion of slider groove 16b, be provided with triangular part 16c in bottom.In triangular part 16c, when front end locking by pinhock 16a of the needle latch 13d of blade 13, make needle latch 13a from slider groove 16b is floating.When moving back circle, needle latch 13a retreats in slider groove 16b, and the signature splenium 16d that rake 13f is located at pin body 16 presses, and needle latch 13a sinks in slider groove 16b.
Compound needle 17 shown in Fig. 2 (d) comprises pusher jack 14 and the pin body 16 that matrix 11 and blade 13 form bound fraction 15 and combination.Compound needle 17 is contained in the needle tray of spread configuration on the needle-bar of straight-bar machines, and the knitting needle that can move back and forth in the longitudinal direction along needle tray as having pinhock 16a in front portion plays function.
In addition, form the open-close body that the blade 13 of the needle latch 13a by having the pinhock 16a opening and closing making pin body 16, these two blades 12,13 of same blade 12 and matrix 11 combine, but open-close body also can be the formation of.No matter number is how many, and open-close body after formation bound fraction 15, can both being pulled down matrix and open-close body, changing when sustaining damage.
In addition, although form protuberance 11e at the upper joint portion 11c of matrix 11 side, at lower joint portion 12c, 13c formation recess 12d, 13d of blade 12,13 side, also protuberance can be formed in blade 12,13 side, allow recess be formed in matrix 11 side.When using two blade 12,13, groove is set in matrix 11 side forming recess and inserts the front end of the protuberance of blade 12,13 side.When matrix side and opening and closing side do not exist the difference of thickness, make a side thin partly and insert the groove being located at the opposing party.
Claims (3)
1. the compound needle of a straight-bar machines, combination has pin body and pusher jack, described pin body is contained in the needle tray be arranged on the needle-bar of straight-bar machines, in front portion, there is pinhock and can move back and forth in the longitudinal direction along needle tray, described pusher jack has the needle latch that makes pinhock opening and closing and can relative to the relative movement in the longitudinal direction of pin body in front portion
Pusher jack comprises open-close body and matrix, and described open-close body is configured at below in needle tray, has needle latch in front portion, have lower joint portion at rear portion, described matrix is compared open-close body and is configured by the top in needle tray, has the upper joint portion be combined with the lower joint portion of open-close body, it is characterized in that, comprising:
Recess, is located at a side of lower joint portion or upper joint portion, to the opposing party's side opening, has the sidewall extended to a side side from the two ends of openend, is provided with the narrow part that the width between sidewall is narrower than the width of openend in the longitudinal direction;
Protuberance, is located at the opposing party of lower joint portion or upper joint portion, is provided with the wide cut part that the width of fore-and-aft direction is wider than the narrow part of recess, insert from the opposing party's side direction recess and combine, the midway of inserting, wide cut part can utilize the elastic deformation of recess by the narrow part of recess
At the bound fraction of recess and protuberance, be provided with groove in the centre of the thickness of any one party, in any the opposing party's insertion groove.
2. the compound needle of straight-bar machines according to claim 1, is characterized in that,
The open-close body of described pusher jack be both sides from described needle latch to described pinhock separately and two blades can pinhock crossed and advance.
3. the compound needle of straight-bar machines according to claim 2, is characterized in that,
Described recess is formed in the part of described two blade overlaps as described lower joint portion,
Described groove is arranged on the lower end of the described protuberance as described upper joint portion, and described groove clamps the part becoming the below of recess in the part of two blade overlaps under the state of described combination.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010260512A JP5766430B2 (en) | 2010-11-22 | 2010-11-22 | Compound needle of flat knitting machine |
| JP2010-260512 | 2010-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102477662A CN102477662A (en) | 2012-05-30 |
| CN102477662B true CN102477662B (en) | 2015-04-01 |
Family
ID=45093271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110362039.4A Active CN102477662B (en) | 2010-11-22 | 2011-11-15 | Compound needle for flatbed knitting machine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2458051B1 (en) |
| JP (1) | JP5766430B2 (en) |
| CN (1) | CN102477662B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6718856B2 (en) * | 2017-12-14 | 2020-07-08 | 株式会社島精機製作所 | Compound needle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2946323B2 (en) * | 1997-05-01 | 1999-09-06 | 株式会社島精機製作所 | Composite needle of flat knitting machine |
| CN1272494C (en) * | 2001-02-20 | 2006-08-30 | 施泰格尔制造厂股份有限公司 | Sliding needle latch compound needle of knitting machine |
| CN1303273C (en) * | 2001-08-24 | 2007-03-07 | 株式会社岛精机制作所 | Composite needle of knitting machine |
| CN1329577C (en) * | 2001-12-18 | 2007-08-01 | Sipra专利发展合作股份有限公司 | Needle for knitting machine and knitting machine equipped with same |
| CN100436688C (en) * | 2002-12-20 | 2008-11-26 | 株式会社岛精机制作所 | Compound needle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6075654A (en) * | 1983-09-30 | 1985-04-30 | 株式会社島アイデア・センター | Composite needle of knitting machine |
| DE4100931A1 (en) * | 1991-01-15 | 1992-07-16 | Groz & Soehne Theodor | SLIDER NEEDLE, ESPECIALLY FOR KNITTING MACHINES |
| JP2001032154A (en) * | 1999-07-15 | 2001-02-06 | Shima Seiki Mfg Ltd | Compound needle for knitting machine |
| TW528822B (en) * | 1999-10-27 | 2003-04-21 | Shima Seiki Mfg | Compound needle |
-
2010
- 2010-11-22 JP JP2010260512A patent/JP5766430B2/en active Active
-
2011
- 2011-11-15 CN CN201110362039.4A patent/CN102477662B/en active Active
- 2011-11-22 EP EP11009236.8A patent/EP2458051B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2946323B2 (en) * | 1997-05-01 | 1999-09-06 | 株式会社島精機製作所 | Composite needle of flat knitting machine |
| CN1272494C (en) * | 2001-02-20 | 2006-08-30 | 施泰格尔制造厂股份有限公司 | Sliding needle latch compound needle of knitting machine |
| CN1303273C (en) * | 2001-08-24 | 2007-03-07 | 株式会社岛精机制作所 | Composite needle of knitting machine |
| CN1329577C (en) * | 2001-12-18 | 2007-08-01 | Sipra专利发展合作股份有限公司 | Needle for knitting machine and knitting machine equipped with same |
| CN100436688C (en) * | 2002-12-20 | 2008-11-26 | 株式会社岛精机制作所 | Compound needle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2458051A3 (en) | 2014-05-21 |
| CN102477662A (en) | 2012-05-30 |
| JP5766430B2 (en) | 2015-08-19 |
| EP2458051B1 (en) | 2015-09-30 |
| JP2012112060A (en) | 2012-06-14 |
| EP2458051A2 (en) | 2012-05-30 |
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