CN101809215B - Needle selection mechanism for weft knitting machine, selector for needle selection mechanism for weft knitting machine, and spacer for needle selection mechanism for weft knitting machine - Google Patents
Needle selection mechanism for weft knitting machine, selector for needle selection mechanism for weft knitting machine, and spacer for needle selection mechanism for weft knitting machine Download PDFInfo
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- CN101809215B CN101809215B CN2008801014574A CN200880101457A CN101809215B CN 101809215 B CN101809215 B CN 101809215B CN 2008801014574 A CN2008801014574 A CN 2008801014574A CN 200880101457 A CN200880101457 A CN 200880101457A CN 101809215 B CN101809215 B CN 101809215B
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- needle
- selection
- selection piece
- piece
- leaf gauge
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- 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
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Abstract
Provided are a needle selection mechanism in which a needle selection error is less likely to occur even when a carriage is moved at high speed, and a selector and a spacer used for the needle selection mechanism. The needle selection mechanism for a weft knitting machine has a spacer (7) held at a predetermined position in a needle groove formed in a needle bed, and also has a selector (6) slidably placed in the needle groove so as to be parallel with the spacer (7). The spacer (7) is a linear long piece and has a spacer-side sliding resistance generation section (elastic bend (71)) formed to face the selector (6). The selector (6) is a linear long piece and has a base point engaging section formed at the front end side of the selector and engaging with an installation section secured in the needle groove to position the selector (6) at a base bottom position and the selector (6) also has a selector-side sliding resistance generation section (push out piece (65)). The selector-side sliding resistance generation section and the spacer-side sliding resistance generation section are formed so as to limit the area where sliding resistance of the selector (6) is generated by mutual contact between the sliding resistance generation sections.
Description
Technical field
The present invention relates to a kind of selecting mechanism of straight-bar machines, the selecting mechanism of straight-bar machines is used leaf gauge with the selecting mechanism of selection piece and straight-bar machines.
Background technology
All the time; In straight-bar machines; Make with needle-bar on the knitting needle that slides in a plurality of needle trays of being set up in parallel drive with cam system by the braiding of on the cam carrier of the length direction back and forth movement of needle-bar, being carried, to carry out braid movement (for example with reference to patent documentation 1).Braid movement is elemental motion for three kinds with lopping, tuck, flotation line.Knitting needle is the most outstanding in-position to the extrusion position of tooth oral-lateral during in lopping, when tuck, is the centre position, is the substrate location that retreats into an opposite side with the tooth mouth when flotation line.
These braid movements are through being undertaken by the action of selecting mechanism control knitting needle.With reference to Fig. 8 this selecting mechanism is described.Knitting needle K has: knitting needle main body 1, knitting needle slyder 2, needle selection slyder 3, selection piece 4 (Fig. 8 (A)).On the needle-bar 10 that has disposed this knitting needle K, a plurality of needle plate 10p uprightly are provided with predetermined distance on the direction vertical with paper, become needle tray between the adjacent needle plate 10p.Accommodate a knitting needle K in the needle tray.Further, maintain leaf gauge 5 side by side with selection piece 4 in the needle tray.
Knitting main body 1 is the latch needles that has pinhock 11, opens and closes the needle latch 12 of pinhock 11, is connected with knitting needle slyder 2 in the base side of knitting needle main body 1.
Knitting needle slyder 2 is that knitting needle 1 is moved to carry out the parts of braid movement along needle tray.Knitting needle slyder 2 be provided with barring-on action with pin heel 21, and the braid movement that uses during action such as braiding, coil acceptance call in person 22 with pin.This pin heel 21,22 is during through following cam system action, and knitting needle slyder 2 moves to tooth mouth g direction, makes knitting needle main body 1 entering tooth mouth g.And, the pars intermedia of knitting needle slyder 2 and the piano wire 10a butt that connects needle plate 10p.And knitting needle slyder 2 contacts in base side end and needle tray bottom, the front end through following needle selection slyder 3 receives when pushing at the needle tray bottom side, strain and bending.
Selection piece 4 is the parts that are used to change the position of needle selection slyder 3, in needle tray, is supported by piano wire 10b, 10c.Selection piece 4 is provided with: the effect through weaving with cam system makes the decline that pushes away under the selection piece 4 basad sides with pin heel 41; The rising that selection piece 4 is pushed away on tooth mouth g calls in person 42 with pin.And,, needle selection is set with pin heel 43 descending with between pin heel 41 and rising with pin heel 42.The needle selection that on each selection piece 4 of adjacent connection on the needle-bar, is provided with pin heel 43 two pins heels 41, between 42, the position of the length direction of selection piece 4 is provided with successively differently.
Further, selection piece 4 is located on the needle tray length direction through piano wire 10b in needle tray, under this position, is fulcrum with the contact point with piano wire 10b, and is supported swingably.Particularly, have the basic point buckling parts 4A that fastens with piano wire 10b, form near below descending and the recess 4B of piano wire 10c fastening with pin heel 41 at the tooth oral-lateral of selection piece 4.Under the state that basic point buckling parts 4A and piano wire 10b are fastened, allow the swing of selection piece 4 in above-mentioned recess 4B portion scope.
Leaf gauge 5 is accommodated with selection piece 4 in needle tray side by side, is the parts of following purposes: through making selection piece attenuation (lightening) reaction speed of the selection piece that slides with cam system through needle selecting actuator and braiding is become at a high speed.Leaf gauge 5 is configured in the zone that the actuating range with selection piece 4 repeats basically in needle tray shown in Fig. 8 (B), supported by piano wire 10b, 10c, 10e.
Explain with reference to Fig. 8 (B), Fig. 9, Figure 10 how this selecting mechanism moves cam carrier when needle-bar is advanced.
The needle selection of selecting mechanism comprises following selection: the selection in the 1st stage, and the knitting needle K of flotation line is carried out in selection, still selects the knitting needle K of lopping or tuck; The selection in the 2nd stage selects to carry out the knitting needle K (patent documentation 2 is documents of expression similar means) that the knitting needle K of tuck still selects to carry out lopping.Cam carrier has the symmetrical a pair of cam system 100 of center line 100c of relative Figure 10; For example when cam carrier is advanced left; Cam system 100 as far as the right side; The needle selecting actuator 99L on the right side of the cam system in left side (omitting diagram) becomes the 1st needle selecting actuator, and the needle selecting actuator 99R in the left side of the cam system 100 on right side becomes the 2nd needle selecting actuator.Arrow among Figure 10 representes that triangle makes the transfering state of each pin heel of time spent.
At first; Under the configuration status of the knitting needle K shown in Fig. 8 (B) (following position with selection piece under this state 4 and needle selection slyder 3 is as B position (substrate location)); When cam system 100 is passed through knitting needle K; Needle selecting actuator 99L through Figure 10 makes needle selection not sink in the needle tray with pin heel 43, thereby carries out the needle selection in the 1st stage.When knitting needle K becomes non-needle selection state, needle selection with pin heel 43, rise and sink to (with reference to Fig. 9 (A)) in the needle tray with pin heel 42, selection piece 4 no longer receives the effect of rising with the needle selecting actuator 99R of needle selection guiding triangle 88, needle selection rise cam 89 and back segment.That is, become the flotation line that knitting needle slyder 2, knitting needle main body 1 do not get into the tooth oral-lateral.
On the other hand, when knitting needle K passes through the 1st needle selecting actuator 99L by needle selection, with needle selection guide the fastening of the riser portions 88a of triangle 88 with pin heel 42 with rising through rising, selection piece 4 gets into the tooth oral-laterals.At this moment, release sheet 45 and make needle selection slyder 3 get into the tooth oral-laterals, become the configuration status (following position with selection piece this state under 4 and needle selection slyder 3 is as H position (centre position)) of Fig. 9 (B).And through descending with the effect of needle selection guiding triangle 87, only selection piece 4 turns back to the B position, and needle selection slyder 3 keeps the H position, and knitting needle K accepts the selection in the 2nd stage through needle selecting actuator 99R.
In the selection in the 2nd stage, become among the knitting needle K of non-needle selection, rise and sink in the needle tray with pin heel 42.That is, needle selection slyder 3 maintains under the state of H position, through the fixedly effect of rise cam 83, knitting needle slyder 2 is moved to the tooth oral-lateral, makes knitting needle main body 1 get into tooth mouth g, carries out tuck.
Further; Selection through the 2nd stage is during with knitting needle K needle selection; Rising calls in person 42 by rise cam 89 jack-up with pin; Selection piece 4 gets into the tooth oral-laterals with needle selection slyder 3, becomes the configuration status (position of following selection piece 4 and needle selection slyder 3 with this state is as A position (in-position)) of Fig. 9 (C).Selection piece 4 through rise cam 89 jack-up turns back to the B position at once through acting on the falling portion 87a of decline with pin heel 41.
And, under the A position, compile knitting needle heel 22 and receive the fixedly effect of rise cam 82 and movable rise cam 83, make 1 entering of knitting needle main body, the effect through sitch cam 84 is retreated the knitting needle main body, carries out lopping.After finishing the needle selection in the 2nd stage, the afterbody 44 of selection piece 4 is returned on the triangle 90 and pushes away, and needle selection is outstanding from needle tray with pin heel 42, and selection piece 4 becomes the state that preparation is used for the needle selection of next braiding.
Patent documentation 1: special fair 7-33619 communique
Patent documentation 2: the spy opens flat 8-74146 communique (Fig. 1)
In the last few years, in straight-bar machines,, the high speed of the translational speed of cam carrier was studied for the further high speed of correspondence braiding speed.But in the high speed of cam carrier translational speed, can produce the problems such as wearing and tearing of the component parts of needle selection mistake, selecting mechanism with existing selecting mechanism.
As stated, selection piece 4 not only slides along needle tray, and with the contact point of piano wire 10b for a spot wobble, also be accompanied by its base side and sink to the action in the needle tray.The action of these selection pieces 4 need not receive the influence of gravity, vibration etc., and only through cam system 100 be used for carry out.Therefore, existing selection piece 4 total lengths are bent into arc, make both ends contact needle plate 10p, the pars intermedia contact leaf gauge 5 of selection piece 4, thereby the action of selection piece 4 is produced the resistance to sliding of regulation.
But in this selection piece 4, make selection piece 4 when the H position turns back to the B position, the decline that will be positioned at the top of swing fulcrum is pressed with the pin 41 basad thrusters of calling in person, so afterbody 44 sides of selection piece are easy to drop to the needle tray bottom side.Especially in the existing selection piece 4, think near on, and lean on the position of below (needle tray bottom side) the effect resistance to sliding with pin heel 41 than descending as the decline in force position with pin heel 41.Therefore, through this resistance to sliding, when making selection piece 4 turn back to the B position, the moment that makes selection piece 4 swings is arranged in the effect of sinking on the direction in the needle tray of afterbody 44 sides.And faster this moment of the speed that selection piece 4 is retreated is big more.Consequently, selection piece 4 is not straight to retreat into base side, but move back basad rear flank afterbody 44 side oscillations the time, and needle selection pin heel 43 becomes the state that sinks to needle tray when forming selection piece 4 sometimes and turning back to the B position.The knitting needle K of this state can't accept the needle selection of needle selecting actuator 99R under the situation of above-mentioned example, produce the needle selection mistake.
And in existing selection piece, with its location independent, resistance to sliding always acts on the advance and retreat action and the wobbling action of selection piece.Make braiding during high speed, when big, possibly cause wearing and tearing, the damage of the movable projection of selection piece, leaf gauge, needle plate or needle selecting actuator the resistance to sliding of this advance and retreat action.
Summary of the invention
The present invention is in view of the above fact and producing, though one of its purpose also be difficult to take place when being to provide a kind of high-speed mobile cam carrier the needle selection mistake selecting mechanism, and this selecting mechanism in the selection piece and the leaf gauge that use.
And, even other purposes of the present invention also be difficult to produce when being to provide a kind of high-speed mobile cam carrier wearing and tearing, the damage of component parts selecting mechanism, and this selecting mechanism in the selection piece and the leaf gauge that use.
The inventor is conceived to the result that following each point studies; Formation to needle selection and leaf gauge is improved; Make the backward movement of selection piece and the resistance to sliding effect of wobbling action with the ad-hoc location on the direction of retreat of selection piece only, thereby accomplished the present invention.
(1) for the wobbling action of selection piece, basically when selection piece during in the B position resistance to sliding effect get final product, resistance to sliding does not act on and can yet when other positions.
(2) smaller relatively good to the resistance to sliding of the advance and retreat of selection piece action, under H position, A position, this resistance to sliding does not act on also can.
(3) resistance to sliding is acting on selection piece under the position of leaving with the pin heel as the decline in force, and swing is more effective for suppressing.
That is, the selecting mechanism of straight-bar machines of the present invention has: leaf gauge, and it remains on the assigned position in the needle tray that forms on the needle-bar; Selection piece; With leaf gauge side by side and in needle tray, be free to slide; Be used for having carried braiding when advancing along the length direction of needle-bar is round making with the cam carrier of cam system, first needle selecting actuator and second needle selecting actuator; Make and receive braiding and navigate to the needle selection slyder of the effect of cam system and followingly advance and retreat in needle tray near any position in three positions of tooth oral-lateral successively: by the substrate location of the nonselection mode regulation of first needle selecting actuator, the in-position of stipulating by the centre position of the selection mode regulation of first needle selecting actuator, by the selection mode of second needle selecting actuator; It is characterized in that; Above-mentioned leaf gauge is the strip sheet along the linearity of needle tray, has the leaf gauge sideslip dynamic resistance service portion that forms in the face of selection piece, and above-mentioned selection piece is the strip sheet along the linearity of needle tray; Have the front end that is configured in the tooth oral-lateral and be configured in the rear end of a side opposite with the tooth mouth; And have: the basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece is navigated to substrate location; Selection piece sideslip dynamic resistance service portion; With the above-mentioned contact point that sets up portion and selection piece is fulcrum; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with leaf gauge sideslip dynamic resistance service portion and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with leaf gauge sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
Preferred in this selecting mechanism; Above-mentioned needle selection further has the release sheet; This releases the selection mode of sheet according to first needle selecting actuator or second needle selecting actuator, and the needle selection slyder is released to tooth mouth direction, and selection piece sideslip dynamic resistance service portion is arranged on the above-mentioned release sheet.
In selecting mechanism of the present invention, preferably its formation is, only is positioned under the situation of substrate location at selection piece, and selection piece sideslip dynamic resistance service portion contacts with leaf gauge sideslip dynamic resistance service portion.
On the other hand; The selecting mechanism of straight-bar machines of the present invention is used selection piece; Be used to have the selecting mechanism of the straight-bar machines of leaf gauge and needle selection slyder; Above-mentioned leaf gauge remains on the assigned position in the needle tray that forms on the needle-bar; Above-mentioned needle selection slyder has carried braiding and has come and gone when advancing along the length direction of needle-bar with the cam carrier of cam system, first needle selecting actuator and second needle selecting actuator making, and receives the effect of braiding with cam system, and this selection piece and leaf gauge arranged side by side and be arranged in the needle tray with being free to slide; Be used for making the needle selection slyder navigate to following three positions any position and successively near the tooth oral-lateral; In needle tray, advance and retreat in this way:, it is characterized in that this selection piece is the strip sheet of linearity by the substrate location of the nonselection mode of first needle selecting actuator regulation, by the centre position of the selection mode regulation of first needle selecting actuator, by the in-position of the selection mode regulation of second needle selecting actuator; Have the front end that is configured in the tooth oral-lateral and be configured in the rear end of a side opposite with the tooth mouth; And have: the basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece navigates to substrate location; Selection piece sideslip dynamic resistance service portion; With the above-mentioned contact point that sets up portion and selection piece is fulcrum; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with the leaf gauge sideslip dynamic resistance service portion that is provided with on the above-mentioned leaf gauge and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with leaf gauge sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
Further; The selecting mechanism of straight-bar machines of the present invention is used leaf gauge; Be used to have the selecting mechanism of the straight-bar machines of needle selection slyder and selection piece; Above-mentioned needle selection slyder has carried length direction that braiding is provided with the needle-bar of needle tray with the cam carrier of cam system, first needle selecting actuator and second needle selecting actuator along arrangement and has come and gone when advancing making, and receives the effect that weaves with cam system, above-mentioned selection piece be used for making the needle selection slyder navigate to following three positions any position and successively near the tooth oral-lateral; In needle tray, advance and retreat in this way: by the substrate location of the nonselection mode of first needle selecting actuator regulation, by the centre position of the selection mode regulation of first needle selecting actuator, by the in-position of the selection mode regulation of second needle selecting actuator; This leaf gauge and selection piece remain on the assigned position in the needle tray side by side, it is characterized in that above-mentioned selection piece is the strip sheet of linearity; Have the front end that is configured in the tooth oral-lateral and be configured in the rear end of a side opposite with the tooth mouth; And have: the basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece navigates to substrate location; Selection piece sideslip dynamic resistance service portion; In the face of the leaf gauge setting; Above-mentioned leaf gauge is the strip sheet of linearity, has leaf gauge sideslip dynamic resistance service portion, and it is a fulcrum with the above-mentioned contact point that sets up portion and selection piece; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with above-mentioned selection piece sideslip dynamic resistance service portion and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with selection piece sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
According to the selecting mechanism of straight-bar machines of the present invention, only the assigned position effect of the advance and retreat direction in the needle tray of selection piece is to the advance and retreat action of selection piece and the resistance to sliding of wobbling action.Therefore, make selection piece from H position (centre position) to B position (substrate location) when returning, the rear end side that can suppress selection piece sinks in the needle tray, reduces the generation of needle selection mistake.
And; The position of the selection piece through specific above-mentioned resistance to sliding effect; Resistance to sliding be can reduce as far as possible, when cam carrier is advanced at a high speed, wearing and tearing, the damage of the movable projection of selection piece, leaf gauge, needle plate, needle selecting actuator also can be suppressed the advance and retreat action of selection piece.
Further, needle selection, leaf gauge be the shape of linearity all, therefore need not as prior art needle selection integral body to be carried out bending machining.
In addition, in selecting mechanism of the present invention, be arranged on like dynamic resistance service portion that selection piece is breakked away on the release sheet of selection piece, then outside the release sheet, selection piece sideslip dynamic resistance service portion be set separately.Generally; Release the rear end (base side) that sheet is positioned at the needle selection slyder; Therefore as releasing sheet as selection piece sideslip dynamic resistance service portion; When the basad position of needle selection is returned, can make resistance to sliding act on the position that basad side is left from the force, can effectively suppress the swing of selection piece.
And; In selecting mechanism of the present invention; If only when selection piece is positioned at substrate location; Selection piece sideslip dynamic resistance service portion and leaf gauge sideslip dynamic resistance service portion join, then only resistance to sliding effect when selection piece is positioned at substrate location, and the resistance to sliding that the contact between other position lower slider drag effect portions forms does not act on.Therefore, resistance to sliding be can significantly reduce, wearing and tearing, the damage of the movable projection of selection piece, leaf gauge, needle plate and needle selecting actuator suppressed the advance and retreat action of selection piece.
On the other hand, selecting mechanism according to the present invention can be used for constituting the selecting mechanism of the invention described above with selection piece or leaf gauge.
Description of drawings
Fig. 1 is the summary pie graph of the selection piece of embodiment 1, (A) is front elevation, (B) is upward view.
Fig. 2 is the summary pie graph of the leaf gauge of expression embodiment 1, (A) is front elevation, (B) is upward view, (C) by the enlarged drawing of the part of the circle encirclement of (B).
Fig. 3 (A), (B) are illustrated in the summary partial cross section figure that knitting needle in the selecting mechanism of embodiment 1 is positioned at the state of B position, (A) expression needle selection state, (B) the non-needle selection state of expression.
Fig. 4 (A) is illustrated in the summary partial cross section figure that knitting needle in the selecting mechanism of embodiment 1 is positioned at the state of H position, (B) is to be illustrated in the summary partial cross section figure that knitting needle in the selecting mechanism of embodiment 1 is positioned at the state of A position.
Fig. 5 is the summary pie graph of the selection piece of embodiment 2, (A) is front elevation, (B) is upward view, (C) by the enlarged drawing of the part of the circle encirclement of (B).
Fig. 6 is the summary pie graph of the leaf gauge of embodiment 2, (A) is front elevation, (B) is upward view.
Fig. 7 is the summary description figure of the position relation of the needle selection of expression in the embodiment 2 and leaf gauge, when (A) being illustrated in the B position and being in the needle selection state, when (B) is illustrated in the B position and is in non-needle selection state, when (C) expression is positioned at the H position, when (D) representes to be positioned at the A position.
The summary pie graph of Fig. 8 (A) expression knitting needle and the summary partial cross section figure of needle-bar (B) are the summary partial cross section figure that the expression knitting needle is housed in the state in the needle-bar, and the expression knitting needle is positioned at the state of B position.
Fig. 9 (A)～(C) is the summary partial cross section figure of existing selecting mechanism, (A) state of expression knitting needle non-needle selection under the B position, and (B) the expression knitting needle is positioned at the state of H position, the state when (C) the expression knitting needle is positioned at the A position.
Figure 10 is the key diagram of the operating state of expression selecting mechanism.
Reference numeral
The K knitting needle
G tooth mouth
6,60 selection pieces
61 descend calls in person with pin
62 rise calls in person with pin
63 needle selections are called in person with pin
64 afterbodys
65,650 release sheet
66 leading sections
6A basic point buckling parts
The 6B recess
7,70 leaf gauges
71 elastic bend parts
72～75 recesses
710 vacancies
750 tabs
The 7A horizontal plate
7B L matrix
1 knitting needle main body
11 pinhocks
12 needle latches
2 knitting needle slyders
The action of 21 barring-ons is called in person with pin
22 braid movements are called in person with pin
3 needle selection slyders
31 select to call in person with pin
32 afterbodys
4 selection pieces
41 descend calls in person with pin
42 rise calls in person with pin
43 needle selections are called in person with pin
44 afterbodys
45 release portions
4A basic point buckling parts
The 4B recess
5 leaf gauges
10 needle-bars
The 10p needle plate
10a～10e piano wire
100 cam systems
The 100c center line
82 fixing rise cams
83 movable rise cams
84 sitch cams
87 descend guides triangle with needle selection
The 87a falling portion
88 rise guides triangle with needle selection
The 88a riser portions
89 needle selection rise cams
90 return triangle
99,99L, 99R needle selecting actuator
The movable projection of 99n
The specific embodiment
Following according to description of drawings embodiment of the present invention.Selecting mechanism of the present invention is characterized in that the shape of selection piece and leaf gauge in the knitting needle, and this selection piece is identical with the selecting mechanism of the existing straight-bar machines of having explained with reference to Fig. 8～Figure 10 with formation beyond the leaf gauge.And the method for selecting needle of knitting needle, cam system are to the actuation gear of knitting needle, the braid movement of knitting needle etc., and be also identical with existing straight-bar machines.Therefore, in following embodiment, be that the center describes with difference with existing straight-bar machines.
(embodiment 1)
Fig. 1 (A) is the front elevation of selection piece of the present invention, and Fig. 1 (B) is the upward view of selection piece.Fig. 2 (A) is the front elevation of leaf gauge of the present invention, and Fig. 2 (B) is the upward view of leaf gauge, and Fig. 2 (C) is by the enlarged drawing of the part of the circle encirclement of Fig. 2 (B).
The shape that selection piece 6 is seen from the front is the strip sheet that has basic same shape with existing selection piece.But when seeing this selection piece 6 from below, different with existing selection piece, not crooked on thickness direction, become straight.In this selection piece 6, on leading section 66, have basic point buckling parts 6A, near below the following pin heel 61, form recess 6B as the tooth oral-lateral.And leading section 66 sides of selection piece 6 are provided with decline with pin heel 61, and afterbody 64 sides (rear end side) that are configured in base side are provided with rising with pin heel 62, are provided with needle selection with pin heel 63 in decline with pin heel 61 with between rising with pin heel 62.Pin heel 61,62,63 equal projections are arranged on the top of selection piece 6 arbitrarily.Further, in the selection piece 6, be provided with outstanding release sheet 65 downwards near with pin heel 62 in the rising of selection piece 6.These positions 6A, 6B, 61～65 have the position identical functions with reference to the same title in the existing selection piece of Fig. 8,9,10 explanations.Contact with following leaf gauge 7 but release sheet 65, have as generation and the advance and retreat of selection piece 6 are moved and the function of the selection piece sideslip dynamic resistance service portion of the resistance to sliding of wobbling action.
On the other hand, the same with selection piece 6, total length was also crooked on thickness direction when leaf gauge 7 was seen from below, became straight.In this leaf gauge 7, when seeing leaf gauge 7, be provided with shape with V word sigmoid from below, to the outstanding elastic bend part 71 of the thickness direction of leaf gauge 7.Elastic bend part 71 at selection piece 6 with leaf gauge 7 side by side the time, with release sheet 65 and contacting and, be equivalent to leaf gauge sideslip dynamic resistance service portion the position of selection piece 6 to the projected direction application of force of elastic bend part 71.In this example owing to form this elastic bend part 71, therefore make leaf gauge 7 base side (left side of Fig. 2) branch into two strands to the leaf gauge width midway, one is horizontal plate 7A, another is L matrix 7B.The basad side of this horizontal plate 7A is extended, and its front end becomes free end.Thinner thickness is compared near and other positions that form the position of horizontal plate 7A, constitutes horizontal plate 7A at this thin location.On the other hand, L matrix 7B comprises the narrow width part that extends with the basad side of the upper parallel of horizontal plate 7A; With from the front end of narrow width part around going into the below, the end edge portion of the wide cut of the free end devices spaced apart of horizontal plate 7A relatively.And,, form elastic bend part 71 through making this horizontal plate 7A with V word sigmoid.Thinner thickness is compared at position beyond horizontal plate 7A and its near zone, so it is more satisfactory to apply small elastic force this point to selection piece 6 during V word sigmoid.The result who forms this elastic bend part 71 is that the zone in the leaf gauge 7 beyond the horizontal plate 7A forms at grade in fact.In addition, leaf gauge 7 is provided with and connects the recess 72～75 of piano wire (the setting up portion) fastening of the needle plate of needle-bar.
Fig. 3,4 expressions will use the knitting needle of above-mentioned selection piece 6 and leaf gauge 7 to accommodate the selecting mechanism of needle-bar.Fig. 3 representes that the summary that knitting needle is positioned at the selecting mechanism of B position constitutes, and Fig. 4 (A) expression knitting needle is positioned at the summary that H position, (B) expression be positioned at the selecting mechanism of A position and constitutes.In addition, in Fig. 3 (B) and Fig. 4, omit needle plate, and in Fig. 4, omit needle selecting actuator.
Fig. 3 (A) expression is positioned at the state of the knitting needle K of the needle selection state under the B position of ground state.Leaf gauge 7 fastens with the piano wire 10b～10e of needle-bar 10 respectively through its recess 72～75 (Fig. 2) and locatees.And selection piece 6 is to be embedded in the needle tray with leaf gauge 7 overlapping modes on thickness direction.The thickness sum of selection piece 6 and leaf gauge 7 (except elastic bend part 71 and near the thin thickness it local) and needle tray wide basic identical.
Wherein, shown in Fig. 3 (A), the elastic bend part 71 of leaf gauge 7 and the release sheet 65 of selection piece 6 are overlapping on thickness direction, and selection piece 6 is by projected direction (side direction in the paper) application of force to elastic bend part 71.At this moment, the apex portion of the bending of elastic bend part 71 is positioned at and releases the position of the side butt of sheet 65, and the power that imposes on selection piece 6 becomes maximum.Consequently, selection piece 6 is pushed on the sidewall of needle plate 10p, makes the resistance to sliding effect, can not sink in the needle tray in gravity, vibration with pin heel 63 with pin heel 62 and needle selection so that rise.
Then, Fig. 3 (B) expression knitting needle K is the state of non-selection piece under the B position.At this moment, the movable projection 99n of needle selecting actuator 99 is driven to the position that needle selection is pressed to the needle tray side with pin heel 63.Under this state, when needle selecting actuator 99 was gone up through knitting needle K, movable projection 99n pushing needle selection became the state that rising is sunk in the needle tray with pin heel 62 with pin heel 63.At this moment, the elastic bend part 71 of leaf gauge 7 is released the side of sheet 65 to the projected direction pushing of elastic bend part 71 on the summit of bending.This pushing force becomes to being the resistance to sliding of wobbling action of the selection piece 6 of fulcrum with the contact point with piano wire 10b, so the position of selection piece 6 can not change because of gravity, vibration.
And, when knitting needle K is positioned at the H position shown in Fig. 4 (A), elastic bend part 71 and root to the limit the sloping portion butt of release sheet 65 at elastic bend part 71.That is, the power that relaxes with than the B position time of elastic bend part 71 makes and releases the thickness direction pushing of sheet 65 (selection piece 6) to leaf gauge 7.Further, when knitting needle K was positioned at the A position shown in Fig. 4 (B), elastic bend part 71 was relative in the root portion of elastic bend part 71 (horizontal plate 7A) with release sheet 65, released sheet 65 (selection piece 6) and on this thickness direction, did not receive the application of force in fact.Therefore, compare with existing selection piece significantly to the resistance to sliding of the advance and retreat action of the selection piece 6 between A position and the H position, between H position and the B position and to reduce, can carry out the advance and retreat of selection piece 6 smoothly.Accompany with it,, also can suppress wearing and tearing, the damage of the movable projection 99n of selection piece 6, leaf gauge 7, needle plate 10P (Fig. 3), needle selecting actuator even cam carrier is advanced at a high speed.
In addition; Under H, A position; There is not the position of recess 6B to contact in the lower surface of piano wire 10c and selection piece 6; The power that selection piece 6 is pushed through elastic bend part 71 on its thickness direction is more weak or when not having, the rising of selection piece 6 can not sunk in the needle tray with pin heel 63 with pin heel 62 and needle selection yet.
In the knitting needle of the embodiment with above-mentioned formation 1; When selection piece 6 slides in needle tray; The position that the elastic bend part 71 of usefulness is pretended in resistance to sliding be in from as the piano wire 10b of the swing fulcrum of selection piece 6 and as the decline in force with pin heel 61 position very far away, so selection piece 6 is difficult to rotation when the H position turns back to the B position.And when selection piece 6 turned back to the B position from the H position, the resistance to sliding of selection piece 6 and leaf gauge 7 is interim to be increased, so selection piece 6 further is difficult to rotation.And in this embodiment, be prerequisite, therefore, just can avoid the needle selection mistake in the 2nd stage as long as suppress from the H position rotation of the selection piece when move the B position with the knitting triangle system of Figure 10.And in other knitting triangle system,,, avoid this needle selection mistake so long as this embodiment or following embodiment just can suppress the rotation of selection piece even under the rotation of the selection piece of A position when move the B position situation relevant with the needle selection mistake.
(embodiment 2)
In embodiment 2, different with embodiment 1, explain that use forms the partly selecting mechanism of the straight-bar machines of the knitting needle K at the position of bending not at leaf gauge on selection piece.The selecting mechanism of this embodiment is except the shape of leaf gauge and selection piece is different, and is the same with embodiment 1.Therefore, be that the center describes with difference with embodiment 1.
Fig. 5 (A) is the front elevation of selection piece of the present invention, and Fig. 5 (B) is the upward view of selection piece, and Fig. 5 (C) is the enlarged drawing of the round part of surrounding of Fig. 5 (B).And Fig. 6 (A) is the front elevation of leaf gauge of the present invention, and Fig. 6 (B) is the upward view of leaf gauge.
The shape that the selection piece 60 of this embodiment is seen from the front and the needle selection of embodiment 1 have essentially identical shape.But when seeing this selection piece 6 from below, it is outstanding to release sheet 650 V word shape on the thickness direction of selection piece 60, and this release sheet 650 becomes selection piece sideslip dynamic resistance service portion.And, release sheet 650 from its root side forward end tilt, have to the elasticity of selection piece 60 parts arranged side by side to the projected direction application of force of releasing sheet 650.
It is not crooked and straight on thickness direction when on the other hand, leaf gauge 70 is seen from below.And do not form to the outstanding part of thickness direction.In this leaf gauge 70, in embodiment 1, be provided with and form vacancy 710 on the position of elastic bend part 71.And, near recess 75, form the outstanding tab 750 of forward end (tooth mouth) side (right side of figure).This tab 750 becomes leaf gauge sideslip dynamic resistance service portion.
Configuration status when then explanation will use the knitting needle of this selection piece 60 and leaf gauge 70 to accommodate needle tray according to Fig. 7.Fig. 7 is the figure that only representes the position relation of selection piece 60 and leaf gauge 70, when (A) being illustrated in the B position and being in the needle selection state, when (B) is illustrated in the B position and is in non-needle selection state, when (C) expression is positioned at the H position, when (D) expression is positioned at the A position.
Shown in Fig. 7 (A), (B), in the knitting needle of the formation with this embodiment, when being positioned at the B position, the release sheet 650 of selection piece 60, the tab 750 of leaf gauge 70 are positioned at position overlapped.Therefore, release sheet 650 on the projected direction of releasing sheet 650 to leaf gauge 70 application of forces.And, receiving reaction force to this application of force, selection piece 60 is pushed to the sidewall of needle tray, so the resistance to sliding effect.Consequently, the rising of selection piece 60 can be because of vibration, gravity sink in the needle tray with pin heel 63 with pin heel 62 and needle selection, and the position of selection piece 6 can not change.
And shown in Fig. 7 (C), (D), in the knitting needle of this embodiment, when being positioned at H position, A position, the release sheet 650 of selection piece 60 is positioned at the position in vacancy 710, and is not overlapping with the tab 750 of leaf gauge 70.Therefore, can when therefore selection piece 60 is advanced and retreat between H position and A position, not produce the resistance to sliding that the contact between the resistance to sliding service portion causes through releasing 650 pairs of leaf gauges 70 of sheet to the projected direction application of force of releasing sheet 650.
In the knitting needle of the embodiment with above-mentioned formation 2, when selection piece 60 moves between A position and H position, the resistance to sliding substantially constant of selection piece 60 and needle tray, and less than the resistance to sliding in the existing structure.And in this embodiment, when selection piece 60 turned back to the B position from the H position, it is big that resistance to sliding becomes gradually.Therefore, even if make selection piece 6 from the H position to B position high-speed mobile, selection piece 60 also be difficult to the rotation.
Selecting mechanism of the present invention is preferably used as the component parts of the straight-bar machines that can make braiding speed high speed.And selection piece of the present invention or leaf gauge are preferred for and weave the corresponding selecting mechanism of speed high speed.
Claims (5)
1. the selecting mechanism of a straight-bar machines has: leaf gauge, and it remains on the assigned position in the needle tray that forms on the needle-bar; Selection piece; With leaf gauge side by side and in needle tray, be free to slide; Be used for having carried braiding and using cam system making; When the cam carrier of first needle selecting actuator and second needle selecting actuator is advanced along the length direction of needle-bar is round; Make and receive braiding and navigate to the needle selection slyder of the effect of cam system and followingly advance and retreat in needle tray near any position in three positions of tooth oral-lateral successively: the substrate location of stipulating by the nonselection mode of first needle selecting actuator; Centre position by the selection mode of first needle selecting actuator regulation; In-position by the selection mode of second needle selecting actuator regulation; It is characterized in that
Above-mentioned leaf gauge is the strip sheet along the linearity of needle tray, has the leaf gauge sideslip dynamic resistance service portion that forms in the face of selection piece,
Above-mentioned selection piece is the strip sheet along the linearity of needle tray, has the front end that is configured in the tooth oral-lateral and is configured in the rear end of a side opposite with the tooth mouth, and have:
The basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece is navigated to substrate location;
Selection piece sideslip dynamic resistance service portion; With the above-mentioned contact point that sets up portion and selection piece is fulcrum; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with leaf gauge sideslip dynamic resistance service portion and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with leaf gauge sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
2. the selecting mechanism of straight-bar machines according to claim 1 is characterized in that,
Above-mentioned selection piece further has the release sheet, and this releases the selection mode of sheet according to first needle selecting actuator or second needle selecting actuator, the needle selection slyder is released to tooth mouth direction,
Selection piece sideslip dynamic resistance service portion is arranged on the above-mentioned release sheet.
3. the selecting mechanism of straight-bar machines according to claim 1 and 2 is characterized in that, only is positioned under the situation of substrate location at selection piece, and selection piece sideslip dynamic resistance service portion contacts with leaf gauge sideslip dynamic resistance service portion.
4. the selecting mechanism of a straight-bar machines is used selection piece; Be used to have the selecting mechanism of the straight-bar machines of leaf gauge and needle selection slyder; Above-mentioned leaf gauge remains on the assigned position in the needle tray that forms on the needle-bar; Above-mentioned needle selection slyder has carried braiding when advancing along the length direction of needle-bar is round with the cam carrier of cam system, first needle selecting actuator and second needle selecting actuator making; Receive the effect of braiding with cam system; This selection piece and leaf gauge are arranged in the needle tray side by side with being free to slide, are used for making the needle selection slyder navigate to any position of following three positions and successively near the tooth oral-lateral, in needle tray, advancing and retreat in this way: by the substrate location of the nonselection mode regulation of first needle selecting actuator, by the centre position of the selection mode regulation of first needle selecting actuator, by the in-position of the selection mode regulation of second needle selecting actuator; It is characterized in that
This selection piece is the strip sheet of linearity, has the front end that is configured in the tooth oral-lateral and is configured in the rear end of a side opposite with the tooth mouth, and have:
The basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece navigates to substrate location;
Selection piece sideslip dynamic resistance service portion; With the above-mentioned contact point that sets up portion and selection piece is fulcrum; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with the leaf gauge sideslip dynamic resistance service portion that is provided with on the above-mentioned leaf gauge and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with leaf gauge sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
5. the selecting mechanism of a straight-bar machines is used leaf gauge; Be used to have the selecting mechanism of the straight-bar machines of needle selection slyder and selection piece; Above-mentioned needle selection slyder make carried braiding with the cam carrier of cam system, first needle selecting actuator and second needle selecting actuator when arrangement is provided with round the advancing of length direction of needle-bar of needle tray; Receive the effect of braiding with cam system; Above-mentioned selection piece be used for making the needle selection slyder navigate to following three positions any position and successively near the tooth oral-lateral; In needle tray, advance and retreat in this way: by the substrate location of the nonselection mode of first needle selecting actuator regulation, by the centre position of the selection mode regulation of first needle selecting actuator, by the in-position of the selection mode regulation of second needle selecting actuator; This leaf gauge and selection piece remain on the assigned position in the needle tray side by side, it is characterized in that
Above-mentioned selection piece is the strip sheet of linearity, has the front end that is configured in the tooth oral-lateral and is configured in the rear end of a side opposite with the tooth mouth, and have:
The basic point buckling parts, it is formed on this front, and with needle tray in the fixing portion of setting up fasten so that selection piece navigates to substrate location;
Selection piece sideslip dynamic resistance service portion, in the face of the leaf gauge setting,
Above-mentioned leaf gauge is the strip sheet of linearity; Has leaf gauge sideslip dynamic resistance service portion; It is a fulcrum with the above-mentioned contact point that sets up portion and selection piece; Under the state that can swing on the depth direction of rear end side at needle tray of selection piece; Contact with above-mentioned selection piece sideslip dynamic resistance service portion and make resistance to sliding effect, be at selection piece under the state of in-position, do not contact with selection piece sideslip dynamic resistance service portion and the resistance to sliding to the advance and retreat action of selection piece is not acted on above-mentioned wobbling action.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-202397 | 2007-08-02 | ||
| JP2007202397 | 2007-08-02 | ||
| PCT/JP2008/001956 WO2009016805A1 (en) | 2007-08-02 | 2008-07-22 | Needle selection mechanism for weft knitting machine, selector for needle selection mechanism for weft knitting machine, and spacer for needle selection mechanism for weft knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101809215A CN101809215A (en) | 2010-08-18 |
| CN101809215B true CN101809215B (en) | 2012-06-20 |
Family
ID=40304049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801014574A Expired - Fee Related CN101809215B (en) | 2007-08-02 | 2008-07-22 | Needle selection mechanism for weft knitting machine, selector for needle selection mechanism for weft knitting machine, and spacer for needle selection mechanism for weft knitting machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5172840B2 (en) |
| CN (1) | CN101809215B (en) |
| WO (1) | WO2009016805A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733512B (en) * | 2020-07-13 | 2024-04-09 | 桐乡市强隆机械有限公司 | Single-groove double-needle plate device |
| CN111733514A (en) * | 2020-07-20 | 2020-10-02 | 孙荣飞 | Movable yarn blocking piece, knitting device with yarn blocking piece and knitting method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4214460A (en) * | 1977-11-08 | 1980-07-29 | Shima Idea Center Co., Ltd. | Flat knitting machine |
| CN1662694A (en) * | 2002-06-26 | 2005-08-31 | 株式会社岛精机制作所 | Needle selection device of weft knitting machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733619B2 (en) * | 1989-10-03 | 1995-04-12 | 株式会社島精機製作所 | Flat knitting machine characterized by pressing means of select jacket |
| JPH06200454A (en) * | 1992-12-29 | 1994-07-19 | Shima Seiki Mfg Ltd | Needle selector of flat knitting machine |
| JPH0874146A (en) * | 1994-09-05 | 1996-03-19 | Shima Seiki Mfg Ltd | Cam lock for warp yarn in flat knitting machine using compound needle |
-
2008
- 2008-07-22 CN CN2008801014574A patent/CN101809215B/en not_active Expired - Fee Related
- 2008-07-22 JP JP2009525272A patent/JP5172840B2/en not_active Expired - Fee Related
- 2008-07-22 WO PCT/JP2008/001956 patent/WO2009016805A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4214460A (en) * | 1977-11-08 | 1980-07-29 | Shima Idea Center Co., Ltd. | Flat knitting machine |
| CN1662694A (en) * | 2002-06-26 | 2005-08-31 | 株式会社岛精机制作所 | Needle selection device of weft knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009016805A1 (en) | 2009-02-05 |
| JPWO2009016805A1 (en) | 2010-10-14 |
| CN101809215A (en) | 2010-08-18 |
| JP5172840B2 (en) | 2013-03-27 |
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