CN104099718B - Possesses the straight-bar machines of movable sinker - Google Patents
Possesses the straight-bar machines of movable sinker Download PDFInfo
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- CN104099718B CN104099718B CN201410138963.8A CN201410138963A CN104099718B CN 104099718 B CN104099718 B CN 104099718B CN 201410138963 A CN201410138963 A CN 201410138963A CN 104099718 B CN104099718 B CN 104099718B
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- Prior art keywords
- sinker
- torsion spring
- triangular facet
- force
- needle
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/06—Sinkers
-
- 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
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
-
- 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
- D04B15/88—Take-up or draw-off devices for knitting products
- D04B15/90—Take-up or draw-off devices for knitting products for flat-bed knitting machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention provides a kind of straight-bar machines that possesses movable sinker, even utilize the directly actuated movable sinker of the sinker cam carrying on cam carrier, also can in the time that sinker opens and closes, not make the stress amplitude of torsion spring increase. Application of force triangular facet (13a) is pressed taking the front end (12a) as the torsion spring (12) of cardinal extremity (12b) between the support (11a) of sinker (11) and actuation arm (11b), via torsion spring (12) to sinker (11) application of force, even therefore close under state strong, also can be a little less than opening under state. The stress of torsion spring (12) also not open under state larger than closing state, even therefore utilize the directly actuated movable sinker of sinker cam (10) carrying at cam carrier, also can in the time that opening and closing, sinker not make the stress amplitude of torsion spring (12) increase.
Description
Technical field
The present invention relates to possess the straight-bar machines of the movable sinker that can depress knitted fabric.
Background technology
All the time, known following technical scheme: on straight-bar machines, it is sliding that utilization is equipped on TriangulumThe sinker cam direct control knitting needle of frame and at the sinker of tooth interruption-forming coil, thus canOpen and close by (for example, with reference to patent documentation 1,2). This movable sinker has at needle-barCan be swung the support of supporting with displacement near tooth mouth, be extended from support to tooth mouth sideActuation arm, be subject to swing arm from support to what extend away from tooth mouth one side. Support is circular-arc,Become circular-arc support chimeric with the depression of being located at needle-bar side, taking the center of circular arc as imaginaryFulcrum, is supported with the state that can swing. Movable sinker also can adopt with actuation armFor the torsion spring of cardinal extremity. Torsion spring is contained in support the leaning in the inner part of comparing sinkerThe space of fulcrum, to actuation arm to the direction application of force that enters tooth mouth. Actuation arm is provided with stocking yarnReceiving portion, has the function of the coil of depressing the knitted fabric being woven and hang down from tooth mouth downwards.The front end of torsion spring supports by erecting the needle plate that is arranged at needle-bar.
Knitting needle is entered to tooth mouth, while formation to the coil of pinhock supply stocking yarn etc., needingActuation arm is exited from tooth mouth. With respect to the application of force of utilizing torsion spring, actuation arm is entered to tooth mouthThe state that closes entering, the application of force of opposing torsion spring, becomes actuation arm is moved back to needle-bar side from tooth mouthThe state of opening going out. In order to make sinker become out state, at the cam carrier along needle-bar walkingUpper, act on rear portion triangle that the sinker control that is subject to swing arm of sinker uses with heavy in the face of comparingThe support that falls sheet carries away from the mode of the position at the rear of tooth mouth. Torsion spring is being opened stateTo compress to greatest extent, stress becomes maximum, reduces closing stress under state. Do not have at tooth mouthWhen the knitted fabric of depressing downwards zero load, actuation arm is to enter to greatest extent tooth mouth, moment of torsionThe stress of spring becomes minimum. If want to obtain the large power of depressing closing under state, open stateUnder torsion spring stress increase, may exceed the limit as spring.
The basic comprising of above movable sinker is open in patent documentation 1. Patent documentation 2In, disclose setting and prevented the sinker guiding groove of stocking yarn to the needle-bar front end of actuation arm advance and retreatThe stocking yarn falling falls the formation of anti-stop element.
[formerly technical literature]
[patent documentation]
[patent documentation 1] Japanese Patent Publication 5-83657 communique
No. 2700204 communique of [patent documentation 2] Japan Patent
Summary of the invention
In the movable sinker shown in patent documentation 1,2, about torsion spring, sedimentationThe stress amplitude that the variation of torque when sheet opens and closes causes increases.
The object of the present invention is to provide a kind of straight-bar machines that possesses movable sinker, even utilizeBe equipped on the directly actuated movable sinker of sinker cam of cam carrier, also can avoidIn the time that sinker opens and closes, the stress amplitude of torsion spring increases.
The invention provides a kind of straight-bar machines that possesses movable sinker,
Arrange and be provided with multiple sinkers in the front of the needle-bar in the face of tooth mouth,
The bending work that each sinker has support, extend in front from from support to tooth mouth sideBe subject to swing arm, support with arm, comparing actuation arm by what separate from tooth mouth that the rear of a side arrangesNear needle-bar tooth mouth is supported to and can swings displacement, and,
Each sinker have taking between actuation arm and support as cardinal extremity extends until front end, energyEnough to actuation arm to the torsion spring of the direction application of force that enters tooth mouth,
Each sinker can utilize the sedimentation of carrying on the cam carrier of back and forth walking along needle-barActuation arm is entered to the state that closes of tooth mouth to sheet triangle and the state of opening that actuation arm exits from tooth mouth carries outSwitch,
It is characterized in that,
The front end of torsion spring is outstanding to the foreign side of needle-bar,
Sinker cam comprises:
At the irregular application of force triangular facet of direction tool of the front end effect pressing force to torsion spring;
Utilize the switching triangle of the switching of the concavo-convex control sinker that is subject to swing arm effect to sinkerFace,
Sinker cam has following phase relation:
Under the state that closes of sinker, application of force triangular facet becomes protruding, and opening and closing triangular facet becomes recessed;
Under the state of opening of sinker, application of force triangular facet becomes recessed, and switching triangular facet becomes protruding,
And can switch as follows:
In the time that the knitting needle entering to tooth mouth is accepted to yarn, sinker is switched to out to state;
The knitting needle of having accepted to yarn is switched to the state of closing by sinker in the time that needle-bar is introduced.
In the present invention, it is characterized in that,
Also comprise following pressing force adjustment unit: described in described sinker, closing under state,By the position of the described application of force triangular facet of described sinker cam and the side that makes described pressing force effectTo changing relatively, thereby adjust to the pressing force of the described front end of described torsion spring.
In the present invention, it is characterized in that,
The described support that the described front end of described torsion spring is compared described sinker is to before describedSide is outstanding,
Described in sinker, be subject to swing arm to compare support outstanding to described rear,
Described sinker cam is divided in the position in the face of the front end of torsion spring and forms the described application of forceThe torsion spring control trigonometric sum of triangular facet is described in forming in the face of the position that is subject to swing arm of sinkerOpen and close the open and close controlling triangle of triangular facet and arrange.
In the present invention, it is characterized in that,
Described in described sinker, be subject to swing arm from branch between described actuation arm and described support,And to outstanding from the top of described needle-bar floating,
The other end of described torsion spring compare be subject to position that swing arm separates from described tooth mouth to fromThe direction of needle-bar floating is outstanding,
Described sinker cam is with in the described rear mode spaced apart and relative with described frontThere is respectively described application of force triangular facet and described switching triangular facet,
Between switching triangular facet and application of force triangular facet, accommodate the front end that is subject to swing arm of sinker and turn roundThe front end of square spring.
[invention effect]
According to the present invention, switching can swing displacement sinker the state of opening and close the heavy of stateFall sheet triangle and be equipped on cam carrier, there is the application of force triangular facet of direct control sinker and openClose triangular facet. Open and close triangular facet utilization to sinker be subject to the concavo-convex of swing arm effect, control sedimentationThe actuation arm of sheet enters the switching of the state that closes and the state of opening that actuation arm exits from tooth mouth of tooth mouth.Application of force triangular facet has concavo-convex in the direction of effect pressing force, press the front end of torsion spring, warpThe direction application of force that by torsion spring, sinker is entered tooth mouth to actuation arm, can make pressing force existClose under state strong, a little less than opening under state. Even the stress of torsion spring does not compare opening under stateClose state large, utilize the directly actuated movable sedimentation of sinker cam that is equipped on cam carrierSheet also can not make the stress amplitude of torsion spring increase in the time that sinker opens and closes.
According to the present invention, utilize pressing force adjustment unit, can make under the state that closes of sinkerThe position of the application of force triangular facet of sinker cam with make pressing force effect directional correlation change.Utilize this pressing force, the stocking yarn that forms new coil at the pinhock of the knitting needle entering to tooth mouth byAfter yarn, make pinhock exit and during being incorporated into needle-bar, be hooked in the old line of knitting needle from tooth mouthThe stocking yarn of circle is pressed into by the stocking yarn receiving portion of sinker. Utilize the change of pressing force, correspondenceCondition in the time of the making knit fabric such as size, the power of stocking yarn of coil, can adjust sedimentationSheet is pressed into the power of stocking yarn.
According to the present invention, sinker cam is divided into the application of force three of the front end of forming surface to torsion springThe switching triangular facet that be subject to swing arm of the torsion spring control trigonometric sum forming surface of edged surface to sinkerOpen and close controlling triangle and arranging. Can by torsion spring control triangle and existing anterior triangle,Open and close controlling triangle and existing rear portion triangle are similarly configured, while avoiding sinker to open and closeStress amplitude increases.
According to the present invention, sinker cam can be by the front end that is subject to swing arm of sinker and moment of torsion bulletThe other end of spring, as from two side-prominent sheet heels of needle-bar, is contained in relative switching triangular facetAnd between application of force triangular facet and drive.
Brief description of the drawings
[Fig. 1] Fig. 1 represents to possess movable sinker 10 as embodiments of the invention 1Straight-bar machines 1 summary form and action side sectional view.
[Fig. 2] Fig. 2 is the cam carrier using in the straight-bar machines 1 of reduced representation embodiment 1The triangle allocation plan of the configuration of the triangle of upper lift-launch.
[Fig. 3] Fig. 3 be represent pie graph 1 movable sinker 10 sinker 11 and turn roundSide view and the side of square spring 12 and the formation substrate 4 of needle-bar 3 and the shape of needle plate 5 are cutd openView.
[Fig. 4] Fig. 4 represents to possess movable sinker 30 as embodiments of the invention 2Straight-bar machines 21 summary form and action side sectional view.
[Fig. 5] Fig. 5 be represent pie graph 3 movable sinker 30 sinker 31 and turn roundSide view and the side of square spring 32 and the formation substrate 24 of needle-bar 23 and the shape of needle plate 25Cutaway view.
[label declaration]
1,21 straight-bar machines
2,22 tooth mouths
3,23 needle-bars
4,24 base stations
5,25 needle plates
10,30 movable sinkers
11,31 sinkers
12,32 torsion springs
13 torsion spring control triangles
13a, 33a application of force triangular facet
14 open and close controlling triangles
14a, 34a opens and closes triangular facet
16,36 pressing force adjustment units
Detailed description of the invention
Below, in Fig. 1, Fig. 2 and Fig. 3, represent the tool as embodiments of the invention 1Formation and the action of the straight-bar machines 1 of standby movable sinker 10. In Fig. 4 and Fig. 5, represent as thisFormation and the action of the straight-bar machines that possesses movable sinker 30 21 of inventive embodiment 2. ImplementIn example 1 and embodiment 2, corresponding part is only 20 and different with reference to the numerical value of label. About realityExecute in the explanation of example 2, omit the explanation about the repetition of the part corresponding with embodiment 1. SeparatelyAbout the part of not recording in the figure of description object, sometimes mark and record in other figure outward,Mention with reference to label.
In addition, about the needle-bar 3,23 shown in Fig. 1 and Fig. 4, at actual straight-bar machines 1,21In mode high with tooth mouth 2,22 sides, that reduce in the time that tooth mouth 2,22 separates tilt, but forBe convenient to explanation, and represent with flat-hand position. In addition, in straight-bar machines 1,21, at least one pair of needle-bar 3,23 with across tooth mouth 2,22 and relative mode arranges, but single needle-bar 3,23 is only shown.Below, front is made as the direction towards tooth mouth 2,22 along needle-bar 3,23, rear be made as away fromThe direction of tooth mouth 2,22. Top is made as from the direction of needle-bar 3,23 floating, below be made as toThe direction that needle-bar 3,23 sinks.
In addition, also use knitting needle etc. together with movable sinker 10,30, but for convenience of explanation,Omit diagram. And, although being also set, the such stocking yarn of patent documentation 2 falls anti-stop element,But omit diagram.
[embodiment 1]
Fig. 1 as embodiment 1 illustrate the straight-bar machines 1 that possesses movable sinker 10 summary form andAction, Fig. 1 (a) illustrates to close state, Fig. 1 (b) illustrates to open state. Straight-bar machines 1 forAt tooth mouth 2 side making knit fabrics, and by needle-bar 3 spread configuration needle plate 5 and shape on base station 4Become. In the direction vertical with paper, between the needle plate 5 arranging at the arranged with interval with certainForm needle tray, accommodate the knitting needle such as latch needles, compound needle. Base station 4 and needle plate 5 are by along perpendicular to paperThe steel wire rope 6 that the direction of face connects is located. Front end at base station 4 in the face of tooth mouth 2, it is heavy to be provided withSheet guiding groove 4a falls.
Movable sinker 10 comprises sinker 11 and torsion spring 12. Wherein, sinker 11Integrated with torsion spring 12. This movable sinker 10 is in the face of the needle-bar 3 of tooth mouth 2Front arrangement is provided with multiple. Each sinker 11 have support 11a, from support 11a toTooth mouth 2 lateral bends and the actuation arm 11b extending, the mode rearward to give prominence to from support 11aWhat arrange is subject to swing arm 11c. Torsion spring 12 is with support 11a and the actuation arm 11b of sinker 11Between extend until front end 12a for cardinal extremity 12b. The front end 12a of torsion spring 12 is to needle plate 5Front outstanding. In the movable sinker 10 of the present embodiment, sinker 11 and torsion spring 12Process and form by stamping-out from tabular raw material metal, but sinker 11 and turning roundSquare spring 12 also can split. The in the situation that of split, for example with patent documentation 1 similarly,Use wire spring as torsion spring, engaging is in the Spring Card bonding part of being located at sinker.
In support 11a, the circle that circular-arc periphery and near the needle plate 5 tooth mouth 2 arrangeThe recess of arcuation is that sinker support 5a is chimeric, is supported to and can swings displacement. Movable heavyFall in sheet 10, sinker 11 is contained in the sinker resettlement section 5b that is located at needle plate 5, can be rightActuation arm 11b to enter the state that closes that direction in tooth mouth 2 swings and actuation arm 11b to away fromThe state of opening that the direction of tooth mouth 2 swings switches. Switch by back and forth walking along needle-bar 3Cam carrier on torsion spring control triangle 13 and the open and close controlling of the sinker cam that carriesTriangle 14 carries out movable sinker 10 direct controls. On torsion spring control triangle 13,Form the application of force triangle of utilization with respect to the concavo-convex effect pressing force of the front end 12a of torsion spring 12Face 13a. On open and close controlling triangle 14, form to utilize and be subject to swing arm 11c with respect to sinker 11The switching triangular facet 14a that opens and closes of concavo-convex switching. The front end 12a of torsion spring 12 and be subject to swing arm11c at the front of sinker resettlement section 5b and rear to the pin that utilizes needle plate 5 and base station 4 to formThe foreign side of bed 3 is outstanding, therefore can accept respectively application of force triangular facet 13a and open and close triangular facet 14aEffect.
As shown in Fig. 1 (a), closing under state, utilize the application of force of torsion spring control triangle 13The protruding part of triangular facet 13a is pressed the front end 12a of torsion spring 12 downwards. Open and close controlThe switching triangular facet 14a of triangle 14 processed becomes the corresponding phase relation of recessed part. Moment of torsion bulletSpring 12 via cardinal extremity 12b so that the mode that sinker 11 swings to the clockwise direction in figure executePower. The mode that sinker 11 enters tooth mouth 2 sides with actuation arm 11b is biased. Actuation arm 11bThere is stocking yarn receiving portion 11d and sinker loop forming portion 11e. The support 11a of sinker 11Taking the imaginary center of circular-arc periphery as fulcrum 11 swings displacement.
As shown in Fig. 1 (b), opened and closed triangle opening the swing arm 11c that is subject to of sinker 11 under stateThe protruding part of face 14a presses down, and makes sinker 11 swing displacement to counter clockwise direction, can be withThe mode that actuation arm 11b exits to needle-bar 3 sides from tooth mouth 2 operates. Torsion spring controlThe application of force triangular facet 13a of triangle 13 becomes the corresponding phase relation of recessed part, but recessedPart can be served as the stop performance function of the rising of the front end 12a of torque limiting spring 12.The position of the rising of restriction front end 12a can be as patent documentation 1,2 than being fixed on needle platePosition is high, therefore can reduce the stress of torsion spring 12. Opening under state, if application of force triangleFace 13a separates and becomes and do not act on from the front end 12a of torsion spring 12, can make moment of torsion bulletThe stress minimum of spring 12. Application of force triangular facet 13a utilizes to the support 11a with sinker 11And between actuation arm 11b, be the pressing force of the front end 12a of the torsion spring 12 of cardinal extremity 12b, adjustIntegral basis is in the application of force to sinker 11 of torsion spring 12, though therefore close under state strong,Open under state also can a little less than. Even the stress of torsion spring 12 is not being opened under state than closing shapeState is large, and utilizes the directly actuated movable sinker of sinker cam that is equipped on cam carrier10, also can make the stress amplitude of torsion spring 12 in the time that sinker opens and closes not increase.
Above torsion spring control triangle 13 and open and close controlling triangle 14 for example with patent literary compositionOffer " anterior triangle 4 " and " rear portion triangle 3 " same position configuration of Fig. 1 of 1, openingUnder state, " pressing plate 34 " is higher than the position of " the trip end 28a of wire spring 28 is pressed down the application of force "Position the recess of application of force triangular facet 13a is set, the front end 12a's of torque limiting spring 12 is upperRise, the stress amplitude can not make to open and close time increases. In addition, in the present embodiment, sinker 11Made to be located at the metal tape breakthrough part 5c of needle plate 5 along the metal tape of the direction perforation vertical with paper15 press in the mode not floating upward.
The present embodiment also comprises following pressing force adjustment unit 16: at the shape that closes of sinker 11Under state, making sinker cam is the position of the application of force triangular facet 13a of torsion spring control triangle 13Change with making the directional correlation of pressing force effect, adjust to the front end 12a's of torsion spring 12Pressing force. Pressing force adjustment unit 16 has control panel 16a, pinion 16b and mounting substrate16c. Pinion 16b utilizes drive sources such as omitting illustrated motor to be driven in rotation. Control panel16a, as shown in Fig. 2 (a), has the tooth bar 16f engaging with pinion 16b. Utilize pinionThe rotation of 16b, control panel 16a moves to the direction vertical with the paper of Fig. 1. Control panel 16aUpper, form groove triangle 16d and guiding groove 16e. Embedding respectively in groove triangle 16d and guiding groove 16eClose the axial region of pin 16g and screw 16h. If make control panel 16a to the paper of Fig. 1Vertical direction moves, and can make torsion spring control triangle 13 move to the above-below direction of Fig. 1Moving, to change the above-below direction of application of force triangular facet 13a position, with weak strong mode corrective actionIn the pressing force of the front end 12a of torsion spring 12. Mounting substrate 16c is used for pressing force adjustmentUnit 16 is installed on cam carrier and supports.
By using this pressing force adjustment unit 16, can closing under state sinker 11Application of force triangular facet 13a position with effect pressing force directional correlation and change. Utilize this to pressPressure, on the pinhock of accepting the knitting needle that enters to tooth mouth 2, form new coil stocking yarn toAfter yarn, pinhock is exited and during introducing to needle-bar 3 from tooth mouth 2, be hooked in knitting needleThe stocking yarn of old coil is pressed into by the stocking yarn receiving portion 11d of sinker 11. Utilize pressing forceChange, corresponding to the braiding condition such as size, the power of stocking yarn of coil, can adjust sedimentationSheet 11 is pressed into the power of stocking yarn.
In addition, pressing force adjustment unit 16 not only arranges tooth bar 16f at control panel 16a, viaPinion 16b drives, and particularly, in the case of carrying out the switching in 2 stages, also can utilizeThe actuator such as cylinder body, solenoid, directly drives control panel 16a. In addition, also can utilize executionDevice directly makes torsion spring control triangle 13 move. In the case of more than the progression switching, also canTo use ball-screw.
Fig. 2, in the straight-bar machines 1 of embodiment 1, will be equipped on cam carrier and make as knitting needleThe configuration reduced representation of the triangle using in the situation with latch needles. Fig. 2 (a) represents torsion springControl the configuration of triangle 13 and open and close controlling triangle 14, top becomes the direction in the face of needle-bar 3.Fig. 2 (b) comprises that coil forms the configuration with triangle 16 and barring-on triangle 17. Coil formsWith in triangle 16, comprise sitch cam 16a, 16b and rise cam 16c. Triangle is at TriangulumIn the situation of balladeur train left lateral and in the situation of right lateral, all carry out identical effect, but the following descriptionSuppose the situation of cam carrier left lateral and carry out.
If utilizing, torsion spring control triangle 13 make control panel 16a to paper to the driving of tooth bar 16fThe left of face moves, and can boost the chimeric pin 16g of groove triangle 16d, by application of force triangular facetThe position of 13a changes to the top of figure. The groove triangle 16d of the present embodiment can become with 3 stagesThe more position of application of force triangular facet 13a. Utilize the variation of the progression of groove triangle 16d, can changeThe switching progression of position, if be formed as continuous tipper, can infinitely change the application of force threeThe position of edged surface 13a. Guiding groove 16e is upper, and chimeric have a guide vanes that is fixed on mounting substrate 16cThe axial region of bar 16h, guides to the mode moving left and right of figure with control panel 16a. Torsion springControl the guiding groove 16i that triangle 13 has the above-below direction of figure, be located at drawing of mounting substrate 16cThe axial region of driving screw 16j and guiding groove 16i are chimeric, directed in mobile up and down mode. FigureBelow the top of 2 (a) becomes in Fig. 1.
In open and close controlling triangle 14, the convex portion that opens and closes triangular facet 14a is located at movable triangular 14b.If movable triangular 14b after left lateral starts with sinker 12 be subject to swing arm 12c butt, along groove14c, to right-hand movement, accepts the position A to yarn at tooth mouth 2 to knitting needle, makes sinker 11Actuation arm 11b exits and makes sinker 12 be formed as out state from tooth mouth 2. In addition, opening and closingControl on triangle 14, in the side in advance of the direction of travel of cam carrier, be provided with for temporarily makingThe movable triangle 14d that the stocking yarn receiving portion 11d of sinker 11 exits from tooth mouth 2. At triangleIn the situation of seat balladeur train right lateral, switch to movable triangle 14e. In addition draw at sitch cam 16b,Enter the position B of knitting needle, the protruding part of corresponding application of force triangular facet 13a. At application of force triangular facet 13aPosition, can corrective action in the pressing force of the front end 12a of torsion spring 12, application of force triangleThe position of face 13a approaches 3 increases of needle-bar, leaves 3 of needle-bars and reduces.
Fig. 3 illustrates sinker 11 and torsion spring 12 Hes of the movable sinker 10 of pie graph 1Form the base station 4 of needle-bar 3 and the shape of needle plate 5.
In torsion spring 12, can be arranged on the bending of turning back between front end 12a and cardinal extremity 12bThe 12c of portion. The inner side of the support 11a that bend 12c can be formed as at sinker 11 makes to prop upThe roundabout shape of some 11f. Fulcrum 11f is imaginary as the circular arc of the periphery of support 11aCenter.
Needle plate 5 has sinker support 5a, sinker resettlement section 5b and metal tape breakthrough part5c, is inserted in bottom the groove that base station 4 forms and fixes.
If the torque that torsion spring 12 can produce for swinging displacement sinker 11, shapeShape also can be different. As the present embodiment, make sinker 11 and torsion spring 12 oneIn situation about changing, torsion spring 12 also need to be formed by the sheet material identical with sinker 11, butBe by integrated, can reduce the quantity of the parts that form movable sinker, reduce assembling workTime. If make torsion spring 12 and sinker 11 splits, torsion spring 12 can use differenceIn the elastomeric material of sinker 11.
[embodiment 2]
Fig. 4, as embodiment 2, illustrates the summary structure of the straight-bar machines 21 that possesses movable sinker 30Become and action, Fig. 4 (a) illustrates to close state, and Fig. 4 (b) illustrates to open state. This enforcementIn example, sinker 31 be subject to swing arm 31c from branch between actuation arm 31b and support 31a,Top to needle plate 25 is outstanding. The front end 32a of torsion spring 32 is than being subject to swing arm 31c by rearPosition outstanding to the top of needle plate 25. Needle plate 25 forms needle-bar 23 together with base station 24, is subject toThe outstanding direction of front end 32a of swing arm 31c and torsion spring 32 becomes the foreign side of needle-bar 32.
Sinker cam is by before the front end that is subject to swing arm 31c of sinker 31 and torsion spring 32End 32a, as from two outstanding sheet heels of needle-bar 33, is contained in opening of open and close controlling triangle 34Close the centre that triangular facet 34a is relative with the application of force triangular facet 33a of torsion spring control triangle 33.The present embodiment is different in the configuration of triangle from embodiment 1, but can be provided with respectively correspondingParts, make also identical with the concavo-convex pattern of the triangular facet of the directional correlation acting on. Pressure is adjustedUnit 36 is same with the pressing force adjustment unit 16 of embodiment 1, can corrective action in moment of torsionThe pressing force of the front end 32a of spring 32.
Fig. 5 represent the sinker 31 of movable sinker 30 of pie graph 4 and torsion spring 32,Form the substrate 24 of needle-bar 23 and the shape of needle plate 25.
Claims (4)
1. possess a straight-bar machines for movable sinker,
Arrange and be provided with multiple sinkers in the front of the needle-bar in the face of tooth mouth,
The bending work that each sinker has support, extend in front from from support to tooth mouth sideBe subject to swing arm, support with arm, comparing actuation arm by what separate from tooth mouth that the rear of a side arrangesNear needle-bar tooth mouth is supported to and can swings displacement, and,
Each sinker have taking between actuation arm and support as cardinal extremity extends until front end, andCan be to actuation arm to the torsion spring of the direction application of force that enters tooth mouth,
Each sinker can utilize the sedimentation of carrying on the cam carrier of back and forth walking along needle-barActuation arm is entered to the state that closes of tooth mouth to sheet triangle and the state of opening that actuation arm exits from tooth mouth carries outSwitch,
It is characterized in that,
The front end of torsion spring is outstanding to the foreign side of needle-bar, and can accept the work of sinker camWith,
Sinker cam comprises:
At the irregular application of force triangular facet of direction tool of the front end effect pressing force to torsion spring;
Utilize the switching triangle of the switching of the concavo-convex control sinker that is subject to swing arm effect to sinkerFace,
Sinker cam has following phase relation:
Under the state that closes of sinker, application of force triangular facet becomes protruding, and opening and closing triangular facet becomes recessed;
Under the state of opening of sinker, application of force triangular facet becomes recessed, and switching triangular facet becomes protruding,
And can switch as follows:
In the time that the knitting needle entering to tooth mouth is accepted to yarn, sinker is switched to out to state;
The knitting needle of having accepted to yarn is switched to the state of closing by sinker in the time that needle-bar is introduced,
Open and close triangular facet utilize concavo-convex, control the actuation arm of sinker enter tooth mouth the state that closes andThe switching that what actuation arm exited from tooth mouth open state, application of force triangular facet is pressed the front end of torsion spring,The direction application of force that via torsion spring, sinker is entered tooth mouth to actuation arm, is closing pressing forceStrong under state, a little less than opening under state.
2. the straight-bar machines that possesses movable sinker according to claim 1, is characterized in that,
Also comprise following pressing force adjustment unit: described in described sinker, closing under state,By the position of the described application of force triangular facet of described sinker cam and the side that makes described pressing force effectTo changing relatively, thereby adjust to the pressing force of the described front end of described torsion spring.
3. the straight-bar machines that possesses movable sinker according to claim 1 and 2, its feature existsIn,
The described support that the described front end of described torsion spring is compared described sinker is to before describedSide is outstanding,
Described in sinker, be subject to swing arm to compare support outstanding to described rear,
Described sinker cam is divided in the position in the face of the front end of torsion spring and forms the described application of forceThe torsion spring control trigonometric sum of triangular facet is described in forming in the face of the position that is subject to swing arm of sinkerOpen and close the open and close controlling triangle of triangular facet and arrange.
4. the straight-bar machines that possesses movable sinker according to claim 1 and 2, its feature existsIn,
Described in described sinker, be subject to swing arm from branch between described actuation arm and described support,And to outstanding from the top of described needle-bar floating,
The described front end of described torsion spring from compare be subject to position that swing arm separates to described rear toTop is outstanding,
Described sinker cam is with in the described rear mode spaced apart and relative with described frontThere is respectively described application of force triangular facet and described switching triangular facet,
Between switching triangular facet and application of force triangular facet, accommodate the front end that is subject to swing arm of sinker and turn roundThe front end of square spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013080597A JP6161375B2 (en) | 2013-04-08 | 2013-04-08 | Flat knitting machine with movable sinker |
| JP2013-080597 | 2013-04-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104099718A CN104099718A (en) | 2014-10-15 |
| CN104099718B true CN104099718B (en) | 2016-05-18 |
Family
ID=50478146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138963.8A Expired - Fee Related CN104099718B (en) | 2013-04-08 | 2014-04-08 | Possesses the straight-bar machines of movable sinker |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2789718B1 (en) |
| JP (1) | JP6161375B2 (en) |
| KR (1) | KR101576837B1 (en) |
| CN (1) | CN104099718B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6177263B2 (en) * | 2015-02-03 | 2017-08-09 | 株式会社島精機製作所 | Flat knitting machine with movable sinker |
| JP2019073819A (en) * | 2017-10-14 | 2019-05-16 | 株式会社島精機製作所 | Glove knitting machine |
| WO2024075449A1 (en) * | 2022-10-05 | 2024-04-11 | 株式会社島精機製作所 | Flat knitting machine equipped with movable sinker, and movable sinker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3917934A1 (en) * | 1988-06-13 | 1989-12-14 | Schieber Universal Maschf | Flat knitting machine |
| EP0602622A1 (en) * | 1992-12-15 | 1994-06-22 | SHIMA SEIKI MFG., Ltd. | Sinker mechanism for flat knitting machines |
| CN202175801U (en) * | 2010-07-01 | 2012-03-28 | 株式会社岛精机制作所 | Movable sinker part and flat knitting machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH416912A (en) * | 1963-11-15 | 1966-07-15 | Paliz Ag | Double bed knitting machine |
| WO1989012708A1 (en) * | 1988-06-13 | 1989-12-28 | Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh | Flat knitting machine |
| JPH03206161A (en) * | 1989-12-28 | 1991-09-09 | Shima Seiki Seisakusho:Kk | Sinker device in filling knitting machine |
| IT1269644B (en) * | 1994-05-06 | 1997-04-08 | Protti S P A Fabbrica Macchine | STRAIGHT MACHINE FOR KNITWEAR WITH MEANS TO FACILITATE THE FORMATION AND THE UNLOADING OF THE SHIRTS |
| JP5414670B2 (en) * | 2008-06-13 | 2014-02-12 | 株式会社島精機製作所 | Flat knitting machine with movable sinker |
| JP2011094266A (en) * | 2009-10-30 | 2011-05-12 | Shima Seiki Mfg Ltd | Movable sinker and weft knitting machine |
-
2013
- 2013-04-08 JP JP2013080597A patent/JP6161375B2/en not_active Expired - Fee Related
-
2014
- 2014-04-07 EP EP14020048.6A patent/EP2789718B1/en not_active Not-in-force
- 2014-04-07 KR KR1020140041021A patent/KR101576837B1/en active IP Right Grant
- 2014-04-08 CN CN201410138963.8A patent/CN104099718B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3917934A1 (en) * | 1988-06-13 | 1989-12-14 | Schieber Universal Maschf | Flat knitting machine |
| EP0602622A1 (en) * | 1992-12-15 | 1994-06-22 | SHIMA SEIKI MFG., Ltd. | Sinker mechanism for flat knitting machines |
| CN202175801U (en) * | 2010-07-01 | 2012-03-28 | 株式会社岛精机制作所 | Movable sinker part and flat knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014201861A (en) | 2014-10-27 |
| JP6161375B2 (en) | 2017-07-12 |
| KR101576837B1 (en) | 2015-12-11 |
| EP2789718B1 (en) | 2016-11-09 |
| KR20140121788A (en) | 2014-10-16 |
| EP2789718A1 (en) | 2014-10-15 |
| CN104099718A (en) | 2014-10-15 |
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