CN104099718A - Flatbed knitting machine equipped with movable sinker - Google Patents
Flatbed knitting machine equipped with movable sinker Download PDFInfo
- Publication number
- CN104099718A CN104099718A CN201410138963.8A CN201410138963A CN104099718A CN 104099718 A CN104099718 A CN 104099718A CN 201410138963 A CN201410138963 A CN 201410138963A CN 104099718 A CN104099718 A CN 104099718A
- Authority
- CN
- China
- Prior art keywords
- sinker
- torsion spring
- triangular facet
- needle
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- D04B15/10—Needle beds
-
- 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
- D04B15/32—Cam systems or assemblies for operating knitting instruments
- D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
- D04B15/362—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines with two needle beds in V-formation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention provides a flatbed knitting machine equipped with movable sinkers, which can prevent increase in stress amplitude of a torque spring when the sinkers are opened and closed even when the movable sinkers are controlled directly by a sinker cam mounted on a carriage. A biasing cam surface 13a presses a leading end 12a of a torque spring 12 of which base end 12b is set to a portion between a support receive part 11a and a function arm 11b of a sinker 11 so as to bias the sinker 11 through the torque spring 12. The pressing force can be weakened in an opened state even when it is strengthened in a closed state. A stress of the torque spring 12 in the opened state also does not become larger than that in the closed state, so that an increase in the stress amplitude of the torque spring 12 is prevented when the sinker is opened and closed even with each movable sinker 10 controlled directly by the sinker cam mounted on the carriage.
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, utilize to be equipped on the sinker cam direct control knitting needle of cam carrier and at the sinker of tooth interruption-forming coil, thereby can open and close (for example, with reference to patent documentation 1,2).This movable sinker have near the tooth mouth of needle-bar can be swung supporting with displacement support, the actuation arm of extending from support to tooth mouth side, from support to the swing arm that is subject to extending away from tooth mouth one side.Support is circular-arc, becomes circular-arc support chimeric with the depression of being located at needle-bar side, and take the center of circular arc is imaginary fulcrum, with the state that can swing, is supported.Movable sinker also can adopt take the torsion spring that actuation arm is cardinal extremity.Torsion spring is contained in the space by fulcrum in the inner part of support of comparing sinker, to actuation arm to the direction application of force that enters tooth mouth.Actuation arm is provided with stocking yarn receiving portion, has downwards and depresses by the function of the coil of the knitted fabric that weaves and hang down from tooth mouth.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, when coil from stocking yarn to pinhock that supply with forms etc., need to make actuation arm exit from tooth mouth.The state that closes that actuation arm is entered with respect to the application of force of utilizing torsion spring to tooth mouth, the application of force of opposing torsion spring, becomes the state of opening that actuation arm is exited to needle-bar side from tooth mouth.In order to make sinker become out state, on the cam carrier along needle-bar walking, act on rear portion triangle that the sinker that is subject to swing arm of sinker controls use to carry away from the mode of the position at the rear of tooth mouth in the face of comparing the support of sinker.Opening state, to compress to greatest extent, stress becomes maximum to torsion spring, reduces closing stress under state.During the knitted fabric of not depressing downwards at tooth mouth zero load, actuation arm is to enter to greatest extent tooth mouth, and the stress of torsion spring becomes minimum.If want to obtain the large power of depressing closing under state, the stress of opening the torsion spring under state increases, and may surpass the limit as spring.
The basic comprising of above movable sinker is open in patent documentation 1.In patent documentation 2, disclose to arrange and prevented that stocking yarn that stocking yarn falls to the sinker guiding groove of the needle-bar front end of actuation arm advance and retreat from falling 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, the stress amplitude that the variation of torque when sinker 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 utilize the directly actuated movable sinker of sinker cam that is equipped on cam carrier, also can avoid the stress amplitude of torsion spring when sinker opens and closes to increase.
The invention provides a kind of straight-bar machines that possesses movable sinker,
In the front of the needle-bar in the face of tooth mouth, arrange and be provided with a plurality of sinkers,
The crooked actuation arm that each sinker has support, extend in the place ahead from support to tooth mouth side, comparing the swing arm that is subject to that actuation arm arranges by the rear from the separated side of tooth mouth, near the needle-bar of support tooth mouth is supported to and can swings displacement, and,
Each sinker has between the actuation arm of take and support as cardinal extremity extends until front end, can be to actuation arm to the torsion spring that enters the direction application of force of tooth mouth,
Each sinker can utilize and at the sinker cam back and forth carrying on the cam carrier of walking along needle-bar, actuation arm be entered to the state that closes of tooth mouth and the state of opening that actuation arm exits from tooth mouth switches,
It is characterized in that,
The front end of torsion spring is outstanding to the foreign side of needle-bar,
Sinker cam comprises:
The irregular application of force triangular facet of direction tool at the front end effect pressing force to torsion spring;
The switching triangular facet of utilization to the switching of the concavo-convex control sinker that is subject to swing arm effect of sinker,
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:
When 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 when introducing, needle-bar is being switched to the state of closing by sinker.
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 with make described pressing force effect directional correlation change, 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 front end of described torsion spring is compared the described support of described sinker and is given prominence to described the place ahead,
Described in sinker, be subject to swing arm to compare support outstanding to described rear,
Described sinker cam is divided into the torsion spring that forms described application of force triangular facet in the position in the face of the front end of torsion spring and controls trigonometric sum and form the open and close controlling triangle of described switching triangular facet and arrange in the position that is subject to swing arm in the face of sinker.
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 is subject to swing arm from the position of described tooth mouth separation to outstanding from the direction of needle-bar floating comparing,
Described sinker cam with at described rear with described the place ahead devices spaced apart and relative mode has 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 the front end of torsion spring.
[invention effect]
According to the present invention, the state of opening that switching can swing the sinker of displacement is equipped on cam carrier with the sinker cam that closes state, has the application of force triangular facet of direct control sinker and opens and closes triangular facet.Open and close triangular facet utilization to sinker be subject to the concavo-convex of swing arm effect, control the switching that the actuation arm of sinker enters 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 left and right pressing force, press the front end of torsion spring, via torsion spring, sinker is entered the direction application of force of tooth mouth to actuation arm, can make pressing force close under state strong, a little less than opening under state.Even the stress of torsion spring is not being opened under state greatlyr than closing state, utilize the directly actuated movable sinker of sinker cam be equipped on cam carrier, also can when opening and closing, sinker not make the stress amplitude increase of torsion spring.
According to the present invention, utilize pressing force adjustment unit, can make the sinker cam under the state that closes of sinker application of force triangular facet position 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 is by after yarn, pinhock is exited from tooth mouth, be incorporated into needle-bar during, the stocking yarn that is hooked in the old coil of knitting needle is pressed into by the stocking yarn receiving portion of sinker.Utilize the change of pressing force, corresponding to the size of coil, the condition during making knit fabrics such as power of stocking yarn can be adjusted the power that sinker is pressed into stocking yarn.
According to the present invention, sinker cam is divided into the torsion spring of the application of force triangular facet that forms the front end of facing torsion spring and controls trigonometric sum formation in the face of the open and close controlling triangle of the switching triangular facet that is subject to swing arm of sinker and arrange.Torsion spring can be controlled to triangle and existing anterior triangle, open and close controlling triangle and existing rear portion triangle are similarly configured, the stress amplitude while avoiding sinker to open and close increases.
According to the present invention, sinker cam can be using the other end of the front end that is subject to swing arm of sinker and torsion spring as calling in person from two side-prominent sheets of needle-bar, is contained between relative switching triangular facet and application of force triangular facet and drives.
Accompanying drawing explanation
[Fig. 1] Fig. 1 means as the summary formation of the straight-bar machines that possesses movable sinker 10 1 of embodiments of the invention 1 and the side sectional view of action.
[Fig. 2] Fig. 2 is the triangle allocation plan of the configuration of the triangle that carries on the cam carrier using in the straight-bar machines 1 of reduced representation embodiment 1.
[Fig. 3] Fig. 3 means the sinker 11 of movable sinker 10 and side view and the side sectional view of torsion spring 12 and the formation substrate 4 of needle-bar 3 and the shape of needle plate 5 of pie graph 1.
[Fig. 4] Fig. 4 means as the summary formation of the straight-bar machines that possesses movable sinker 30 21 of embodiments of the invention 2 and the side sectional view of action.
[Fig. 5] Fig. 5 means the sinker 31 of movable sinker 30 and side view and the side sectional view of torsion spring 32 and the formation substrate 24 of needle-bar 23 and the shape of needle plate 25 of pie graph 3.
[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 springs are controlled triangle
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
The specific embodiment
Below, in Fig. 1, Fig. 2 and Fig. 3, represent formation and action as the straight-bar machines that possesses movable sinker 10 1 of embodiments of the invention 1.In Fig. 4 and Fig. 5, represent formation and action as the straight-bar machines that possesses movable sinker 30 21 of embodiments of the invention 2.In embodiment 1 and embodiment 2, corresponding part is only 20 and different with reference to the numerical value of label.In explanation about embodiment 2, omit the explanation about the repetition of the part corresponding with embodiment 1.In addition, the part about not recording in the figure of description object, marks mentioning with reference to label of recording in other figure sometimes.
In addition, about the needle-bar 3,23 shown in Fig. 1 and Fig. 4, the mode reducing when high with tooth mouth 2,22 sides in actual straight-bar machines 1,21, separated from tooth mouth 2,22 tilts, but for convenience of explanation, and represent with flat-hand position.In addition, in straight-bar machines 1,21, at least one pair of needle-bar 3,23 is with across tooth mouth 2,22 and relative mode arranges, but single needle-bar 3,23 is only shown.Below, the place ahead is made as the direction towards tooth mouth 2,22 along needle-bar 3,23, and rear is made as the direction away from tooth mouth 2,22.Top is made as from the direction of needle-bar 3,23 floatings, and below is made as to the direction of needle-bar 3,23 sinkings.
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, omit diagram.
[embodiment 1]
The summary that Fig. 1 illustrates as embodiment 1 straight-bar machines 1 that possesses movable sinker 10 forms and action, and Fig. 1 (a) illustrates to close state, and Fig. 1 (b) illustrates to open state.Straight-bar machines 1 is at tooth mouth 2 side making knit fabrics, and by needle-bar 3 spread configuration needle plate 5 and forming on base station 4.In the direction vertical with paper, between the needle plate 5 of the arranged with interval setting with certain, form needle tray, accommodate the knitting needles such as latch needles, compound needle.Steel wire rope 6 location that base station 4 and needle plate 5 are connected by the direction along perpendicular to paper.Front end at base station 4 in the face of tooth mouth 2, is provided with sinker guiding groove 4a.
Movable sinker 10 comprises sinker 11 and torsion spring 12.Wherein, sinker 11 and torsion spring 12 are integrated.This movable sinker 10 is provided with a plurality of in the front arrangement of the needle-bar 3 in the face of tooth mouth 2.Each sinker 11 have support 11a, the actuation arm 11b extending from support 11a to tooth mouth 2 lateral bends, with from support 11a rearward outstanding mode arrange be subject to swing arm 11c.Torsion spring 12 be take between the support 11a of sinker 11 and actuation arm 11b as cardinal extremity 12b extends until front end 12a.The front end 12a of torsion spring 12 is outstanding to the place ahead of needle plate 5.In the movable sinker 10 of the present embodiment, sinker 11 and torsion spring 12 are processed and are formed by stamping-out from tabular raw material metal, but sinker 11 and torsion spring 12 also can splits.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 circular-arc recess that circular-arc periphery and near needle plate tooth mouth 25 arrange is that sinker support 5a is chimeric, is supported to and can swings displacement.In movable sinker 10, sinker 11 is contained in the sinker resettlement section 5b that is located at needle plate 5, and the state of opening that the state that closes that can swing to the direction entering in tooth mouth 2 actuation arm 11b and actuation arm 11b swing to the direction away from tooth mouth 2 switches.Switching controls triangle 13 by the torsion spring of the sinker cam along carrying on the reciprocal cam carrier of walking of needle-bar 3 and 14 pairs of movable sinker 10 direct controls of open and close controlling triangle carry out.Torsion spring is controlled on triangle 13, forms utilization with respect to the application of force triangular facet 13a of the concavo-convex effect pressing force of the front end 12a of torsion spring 12.On open and close controlling triangle 14, form the switching triangular facet 14a utilizing with respect to the concavo-convex switching switching that is subject to swing arm 11c of sinker 11.The front end 12a of torsion spring 12 and be subject to swing arm 11c outstanding to the foreign side of the needle-bar 3 that utilizes needle plate 5 and base station 4 to form in the place ahead of sinker resettlement section 5b and rear, therefore can accept respectively application of force triangular facet 13a and open and close the effect of triangular facet 14a.
As shown in Fig. 1 (a), to close under state, the protruding part of utilizing torsion spring to control the application of force triangular facet 13a of triangle 13 is pressed the front end 12a of torsion spring 12 downwards.The recessed corresponding phase relation of part of switching triangular facet 14a of open and close controlling triangle 14.Torsion spring 12 via cardinal extremity 12b so that the mode application of force that sinker 11 swings to the clockwise direction in figure.The mode that sinker 11 enters tooth mouth 2 sides with actuation arm 11b is biased.Actuation arm 11b has stocking yarn receiving portion 11d and sinker loop forming portion 11e.The support 11a of sinker 11 be take the imaginary center of circular-arc periphery and is swung displacement as fulcrum 11.
As shown in Fig. 1 (b), press down opening the protruding part that is subject to swing arm 11c to be opened and closed triangular facet 14a of sinker 11 under state, make sinker 11 swing displacement to counter clockwise direction, the mode that can exit to needle-bar 3 sides from tooth mouth 2 with actuation arm 11b operates.The application of force triangular facet 13a that torsion spring is controlled triangle 13 becomes the corresponding phase relation of recessed part, but recessed part can be 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 higher than the position of being fixed on needle plate as patent documentation 1,2, therefore can reduce the stress of torsion spring 12.Opening under state, if application of force triangular facet 13a is separated and become and do not act on from the front end 12a of torsion spring 12, can make the stress of torsion spring 12 minimum.Application of force triangular facet 13a utilizes to take between the support 11a of sinker 11 and actuation arm 11b as the pressing force of the front end 12a of the torsion spring 12 of cardinal extremity 12b, the application of force to sinker 11 of adjustment based on torsion spring 12, even 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 greatlyr than closing state, and utilize the directly actuated movable sinker 10 of sinker cam be equipped on cam carrier, also can make the stress amplitude of torsion spring 12 when sinker opens and closes not increase.
Above torsion spring is controlled triangle 13 and open and close controlling triangle 14 in for example same with Fig. 1 of patent documentation 1 " anterior triangle 4 " and " rear portion triangle 3 " position configuration, the recess of application of force triangular facet 13a is set driving " pressing plate 34 " under state than the high position, position of " the trip end 28a of wire spring 28 is pressed down the application of force ", the rising of the front end 12a of torque limiting spring 12, the stress amplitude in the time of can not making to open and close increases.In addition,, in the present embodiment, the metal tape breakthrough part 5c that sinker 11 is made to be located at needle plate 5 presses in the mode not floating upward along the metal tape 15 of the direction perforation vertical with paper.
The present embodiment also comprises following pressing force adjustment unit 16: under the state that closes of sinker 11, making sinker cam is that change with making the directional correlation of pressing force effect the position of the torsion spring application of force triangular facet 13a that controls triangle 13, adjusts to the pressing force of the front end 12a of torsion spring 12.Pressing force adjustment unit 16 has control panel 16a, pinion 16b and mounting substrate 16c.Pinion 16b utilizes drive sources such as omitting illustrated motor to be driven in rotation.Control panel 16a as shown in Figure 2 (a) shows, has the tooth bar 16f with pinion 16b engagement.Utilize the rotation of pinion 16b, control panel 16a moves to the vertical direction of the paper with Fig. 1.Control panel 16a is upper, forms groove triangle 16d and guiding groove 16e.The chimeric axial region that has pin 16g and screw 16h respectively in groove triangle 16d and guiding groove 16e.If control panel 16a is moved to the vertical direction of the paper with Fig. 1, can make torsion spring control triangle 13 move to the above-below direction of Fig. 1, the position of the above-below direction of change application of force triangular facet 13a, with weak strong mode corrective action in the pressing force of the front end 12a of torsion spring 12.Mounting substrate 16c is for being installed on cam carrier by pressing force adjustment unit 16 and supporting.
By using this pressing force adjustment unit 16, the position of the application of force triangular facet 13a under the state that closes of sinker 11 can be changed with the directional correlation of effect pressing force.Utilize this pressing force, on the pinhock of the knitting needle of accepting to enter to tooth mouth 2, form new coil stocking yarn to after yarn, during introducing to needle-bar 3 pinhock is exited from tooth mouth 2, the stocking yarn that is hooked in the old coil of knitting needle is pressed into by the stocking yarn receiving portion 11d of sinker 11.Utilize the change of pressing force, corresponding to the size of coil, the braiding conditions such as power of stocking yarn, can adjust the power that sinker 11 is pressed into stocking yarn.
In addition, pressing force adjustment unit 16 not only arranges tooth bar 16f at control panel 16a, via pinion 16b, drives, and particularly in the situation that carry out the switching in 2 stages, also can utilize the actuators such as cylinder body, solenoid, directly drives control panel 16a.In addition, also can utilize actuator directly to make torsion spring control triangle 13 moves.In the situation that the progression switching is many, also can use ball-screw.
Fig. 2, in the straight-bar machines 1 of embodiment 1, is used the configuration reduced representation of the triangle using in the situation of latch needles as knitting needle using being equipped on cam carrier.Fig. 2 (a) represents the configuration of torsion spring control triangle 13 and open and close controlling triangle 14, and top becomes the direction in the face of needle-bar 3.Fig. 2 (b) comprises that coil forms the configuration of using triangle 17 with triangle 16 and barring-on.Coil forms with in triangle 16, comprises sitch cam 16a, 16b and rise cam 16c.Triangle in the situation that cam carrier left lateral in the situation that and right lateral all carry out identical effect, but the situation of the following description supposition cam carrier left lateral and carrying out.
If torsion spring control triangle 13 utilizes to the driving of tooth bar 16f, control panel 16a is moved to the left of paper, can boost the chimeric pin 16g of groove triangle 16d, the top by the position of application of force triangular facet 13a to figure changes.The groove triangle 16d of the present embodiment can be with the position of 3 stage change application of force triangular facet 13a.Utilize the variation of the progression of groove triangle 16d, can change the switching progression of position, if form continuous tipper, can infinitely change the position of application of force triangular facet 13a.Guiding groove 16e is upper, and the chimeric axial region that has the screw 16h that is fixed on mounting substrate 16c, guides to the mode moving left and right of figure with control panel 16a.Torsion spring is controlled the guiding groove 16i that triangle 13 has the above-below direction of figure, and axial region and the guiding groove 16i of screw 16j that is located at mounting substrate 16c is chimeric, directed in mobile up and down mode.Below the top of Fig. 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 groove 14c to right-hand movement, at tooth mouth 2, to knitting needle, accept the position A to yarn, make the actuation arm 11b of sinker 11 exit and make sinker 12 form out state from tooth mouth 2.In addition, on open and close controlling triangle 14, the side in advance at the direction of travel of cam carrier, is provided with the movable triangle 14d for temporarily making the stocking yarn receiving portion 11d of sinker 11 exit from tooth mouth 2.The in the situation that of cam carrier right lateral, switch to movable triangle 14e.In addition, at sitch cam 16b, introduce the position B of knitting needle, the protruding part of corresponding application of force triangular facet 13a.In the position of application of force triangular facet 13a, can corrective action in the pressing force of the front end 12a of torsion spring 12, the position of application of force triangular facet 13a approaches 3 increases of needle-bar, leaves 3 of needle-bars and reduces.
Fig. 3 illustrates sinker 11 and torsion spring 12 and the formation base station 4 of needle-bar 3 and the shape of needle plate 5 of the movable sinker 10 of pie graph 1.
In torsion spring 12, can be arranged on the bend 12c turning back between front end 12a and cardinal extremity 12b.The inner side of the support 11a that bend 12c can form at sinker 11 makes the roundabout shape of fulcrum 11f.Fulcrum 11f is the imaginary center as the circular arc of the periphery of support 11a.
Needle plate 5 has sinker support 5a, sinker resettlement section 5b and metal tape breakthrough part 5c, bottom is inserted in to the groove of base station 4 formation and fixes.
If torsion spring 12 can produce for swinging the torque of displacement sinker 11, shape also can be different.As the present embodiment, make in sinker 11 and the integrated situation of torsion spring 12, torsion spring 12 also need to be formed by the sheet material identical with sinker 11, but by integrated, can reduce the quantity of the parts that form movable sinker, reduce and assemble man-hour.If make torsion spring 12 and sinker 11 splits, torsion spring 12 can be used the elastomeric material that is different from sinker 11.
[embodiment 2]
Fig. 4 is as embodiment 2, and the summary that the straight-bar machines 21 that possesses movable sinker 30 is shown forms and action, and Fig. 4 (a) illustrates to close state, and Fig. 4 (b) illustrates to open state.In the present embodiment, sinker 31 be subject to swing arm 31c from branch between actuation arm 31b and support 31a, outstanding to the top of needle plate 25.The front end 32a of torsion spring 32 than be subject to swing arm 31c by the position at rear to outstanding above needle plate 25.Needle plate 25 forms needle-bar 23 together with base station 24, is subject to the outstanding direction of front end 32a of swing arm 31c and torsion spring 32 to become the foreign side of needle-bar 32.
Sinker cam, using the front end 32a of the front end that is subject to swing arm 31c of sinker 31 and torsion spring 32 as calling in person from needle-bar 33 two outstanding sheets, is contained in the switching triangular facet 34a centre relative with the application of force triangular facet 33a of torsion spring control triangle 33 of open and close controlling triangle 34.The present embodiment is different in the configuration of triangle from embodiment 1, but can be provided with respectively corresponding parts, makes also identical with the concavo-convex pattern of the triangular facet of the directional correlation acting on.Pressure adjustment unit 36 is same with the pressing force adjustment unit 16 of embodiment 1, can corrective action in the pressing force of the front end 32a of torsion spring 32.
Fig. 5 represents sinker 31 and torsion spring 32, the formation substrate 24 of needle-bar 23 and the shape of needle plate 25 of the movable sinker 30 of pie graph 4.
Claims (4)
1. a straight-bar machines that possesses movable sinker,
In the front of the needle-bar in the face of tooth mouth, arrange and be provided with a plurality of sinkers,
The crooked actuation arm that each sinker has support, extend in the place ahead from support to tooth mouth side, comparing the swing arm that is subject to that actuation arm arranges by the rear from the separated side of tooth mouth, near the needle-bar of support tooth mouth is supported to and can swings displacement, and,
Each sinker has between the actuation arm of take and support as cardinal extremity extends until front end, and can be to actuation arm to the torsion spring that enters the direction application of force of tooth mouth,
Each sinker can utilize and at the sinker cam back and forth carrying on the cam carrier of walking along needle-bar, actuation arm be entered to the state that closes of tooth mouth and the state of opening that actuation arm exits from tooth mouth switches,
It is characterized in that,
The front end of torsion spring is outstanding to the foreign side of needle-bar,
Sinker cam comprises:
The irregular application of force triangular facet of direction tool at the front end effect pressing force to torsion spring;
The switching triangular facet of utilization to the switching of the concavo-convex control sinker that is subject to swing arm effect of sinker,
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:
When 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 when introducing, needle-bar is being switched to the state of closing by sinker.
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 with make described pressing force effect directional correlation change, 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, is characterized in that,
The described front end of described torsion spring is compared the described support of described sinker and is given prominence to described the place ahead,
Described in sinker, be subject to swing arm to compare support outstanding to described rear,
Described sinker cam is divided into the torsion spring that forms described application of force triangular facet in the position in the face of the front end of torsion spring and controls trigonometric sum and form the open and close controlling triangle of described switching triangular facet and arrange in the position that is subject to swing arm in the face of sinker.
4. the straight-bar machines that possesses movable sinker according to claim 1 and 2, 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 described front end of described torsion spring is subject to swing arm outstanding upward to the position of described rear separation from comparing,
Described sinker cam with at described rear with described the place ahead devices spaced apart and relative mode has 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 the front end of torsion spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-080597 | 2013-04-08 | ||
| JP2013080597A JP6161375B2 (en) | 2013-04-08 | 2013-04-08 | Flat knitting machine with movable sinker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104099718A true CN104099718A (en) | 2014-10-15 |
| CN104099718B 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 |
| EP0347011A1 (en) * | 1988-06-13 | 1989-12-20 | UNIVERSAL Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG | Flat bed 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 |
| CN102046867B (en) * | 2008-06-13 | 2012-08-22 | 株式会社岛精机制作所 | Weft knitting machine equipped 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 KR KR1020140041021A patent/KR101576837B1/en active IP Right Grant
- 2014-04-07 EP EP14020048.6A patent/EP2789718B1/en not_active Not-in-force
- 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 |
|---|---|
| EP2789718B1 (en) | 2016-11-09 |
| JP6161375B2 (en) | 2017-07-12 |
| CN104099718B (en) | 2016-05-18 |
| KR101576837B1 (en) | 2015-12-11 |
| EP2789718A1 (en) | 2014-10-15 |
| JP2014201861A (en) | 2014-10-27 |
| KR20140121788A (en) | 2014-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105714466B (en) | With the straight-bar machines that weft yarn, warp thread and/or float are moved back to circle and the device being encased inside | |
| US7716955B2 (en) | Sinker set for the manufacture of plush | |
| CN100519866C (en) | Yarm feeder of flat knitting machine and method of feeding yarn for flat knitting machine | |
| CN104099718A (en) | Flatbed knitting machine equipped with movable sinker | |
| CN110691869A (en) | Plunger system and multifunctional feeder for knitting machine | |
| CN203938841U (en) | The feed carrier that a kind of straight-bar machines is used | |
| CN101858010B (en) | Flat knitting machine for knitting tubular knitted fabric | |
| KR100344209B1 (en) | Method and equipment for jacquard selection in a textile machine | |
| EP3054041B1 (en) | Flatbed knitting machine equipped with movable sinker | |
| KR20080074721A (en) | Needle for transferring stitches therefrom to adjacent needles for hosiery knitting machines or the like | |
| CN102560857A (en) | Flat knitting machine | |
| CN102560856B (en) | Needle Selector | |
| EP2570535B1 (en) | Flatbed knitting machine provided with compound needle, and slider control method for flatbed knitting machine | |
| TWI746478B (en) | Knitting method and knitting mechanism for circular knitting machine, and the circular knitting machine | |
| HK1112944A1 (en) | Rectilinear knitting machine and corresponding knitting method thereof | |
| EP1231309A1 (en) | Needle actuation device for kitting machines for hosiery or other articles | |
| US5138850A (en) | Spring biased pattern bars having electromagnetic selectors | |
| US6257026B1 (en) | Needle control device for stocking knitting machines | |
| EP3798339B1 (en) | Flatbed knitting machine | |
| KR101524183B1 (en) | Operrating Device of Stitch Cam for Socks Knitting Machine | |
| EP3702503B1 (en) | Flat knitting machine stitch pressing device with position varying with gap size | |
| TW202300745A (en) | Sinker, knitting device and knitting method for producing knitted fabrics | |
| EP0962568A2 (en) | Needle actuation device for knitting machines for hosiery or the like | |
| TW200517542A (en) | A cam device for selection and control of needles of a knitting machine and machine comprising said device | |
| CN103938360A (en) | Yarn guide device for flat knitting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20210408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |