CN100532672C - Apparatus and method for changing yarn in tubular knitting machine - Google Patents
Apparatus and method for changing yarn in tubular knitting machine Download PDFInfo
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- CN100532672C CN100532672C CNB2004100586160A CN200410058616A CN100532672C CN 100532672 C CN100532672 C CN 100532672C CN B2004100586160 A CNB2004100586160 A CN B2004100586160A CN 200410058616 A CN200410058616 A CN 200410058616A CN 100532672 C CN100532672 C CN 100532672C
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- yarn
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- guide
- knitting machine
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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
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
- D04B15/58—Thread guides for circular knitting machines; Thread-changing devices
Abstract
The invention provides a striper having a simplified structure and improved operability in adjustment and maintenance. The parts acting on the main body of the feed yarn changeover apparatus are an actuator 1, the 1st cam 2, the 2nd cam 3, the 3rd cam 4 and the 4th cam 22. The main body of the feed yarn changeover apparatus has a selector unit 21 corresponding to a peg 1-1 acting as a feed yarn selection part of the actuator 1 and transmitting the action to the inside of the yarn feeding apparatus, a finger unit 14 switchable between a normal position and a switched position by the action of the selector unit 21 through the 1st transmission members 21, 11, 12, 13, and a mobile blade 14-2 and a yarn catcher 14-3 of the finger unit 14 which is opened and closed by the action of the 3rd cam 4 through the 2nd transmission members 21-5, 21-4, 5, 6, 7, 8, 9, 19, 20.
Description
Technical field
The present invention relates to a kind of yarn converting means (also can be described as " yarn changing device (striper) ") that is used in the circular knitting machine, also relate to a kind of method that is used to form the bar shaped decorative pattern.
Background technology
Disclose a kind of example that is used in the yarn converting means that is used to form the bar shaped decorative pattern in the circular knitting machine in JP-A-2000328403, this patent application is also applied for by the inventor.The inventor has also applied for the example of another one yarn converting means in JP-A-2002-371429.
According to the disclosed content of JP-A-2000-328403, because the yarn converting means has covered braiding portion, so the willow catkins flying in the air that produce in braiding portion have the tendency of gathering.This means when yarn has broken and regulate not too easily, perhaps be not easy maintaining.This bothersome effort again.According to disclosed content among the JP-A-2002371429, each yarn changing device needs two solenoids, causes the internal mechanism complexity, and higher production cost.
Summary of the invention
The present invention provides a kind of yarn changing device in order to overcome above-mentioned problem, and this yarn changing device has simple mechanism, and has improved its operability when regulating or carry out maintaining.
Yarn converting means in the circular knitting machine of the present invention, this circular knitting machine has the parts of the formant that constitutes the yarn converting means and the formant of yarn converting means is applied the parts of effect, the parts of the formant of described formation yarn converting means comprise: contact blade, and they are to be arranged in the yarn feeding alternative pack of adjuster that formant to the yarn converting means applies the parts of effect; Selector unit, its action with contact blade are delivered to the inside of yarn feeding device to switch at least two kinds of hosiery yarnss; First transferring elements; Guide refers to the unit, and they are being moved to normal position and switching position by selector unit via the action effect of the first transferring elements transmission, and each guide refers to that the unit has moving blade and tension disk; Second transferring elements; Guide refers to that the moving blade of unit and tension disk are opened and closed under the action effect via the second transferring elements transmission; Thread guide eyelet and guide plate, the parts that they direct into hosiery yarns in the knitting needle and described formant to the yarn converting means applies effect comprise: described adjuster is used for selecting to be fed into the yarn of knitting machine; First cam, it rotates with the speed identical with knitting machine and selected guide is referred to that cell moving is to switching position; Second cam, it rotates with the speed identical with knitting machine and the guide that will be in switching position refers to that cell moving is to the normal position; The 3rd cam, it rotates with the speed identical with knitting machine and all guides is referred to that the moving blade of unit and tension disk open and close; Four-cam, it rotates with the speed identical with knitting machine, and each parts of yarn converting means are reset to selection hosiery yarns residing position before.
Also provide a kind of method that is used to switch at least two kinds of hosiery yarnss in circular knitting machine according to the present invention, described circular knitting machine comprises: adjuster is used for selecting to be fed into the yarn of knitting machine; Guide refers to the unit, and each guide refers to that the unit has moving blade and tension disk; First cam, it rotates with the speed identical with knitting machine and selected guide is referred to that cell moving is to switching position; Second cam, it rotates with the speed identical with knitting machine and the guide that will be in switching position refers to that cell moving is to the normal position; The 3rd cam, it rotates with the speed identical with knitting machine and all guides is referred to that the moving blade of unit and tension disk open and close; Four-cam, it rotates with the speed identical with knitting machine, and each parts of yarn converting means are reset to selection hosiery yarns residing position before; Contact blade, they are the yarn feeding alternative packs in the adjuster; Selector unit; First transferring elements; Second transferring elements; Thread guide eyelet and guide plate, they direct into hosiery yarns in the knitting needle; It is characterized in that described method comprises: such step, in this step, selector unit is delivered to the action of contact blade the inside of yarn feeding device; Such step, this step are used for guide is referred to the unit, under the action effect of being transmitted via first transferring elements by selector unit, move to normal position and switching position; Such step, this step are used for guide is referred to that the moving blade of unit and tension disk open and close under by the action effect of the 3rd cam via the second transferring elements transmission; And such step, this step is used for by thread guide eyelet and guide plate, and hosiery yarns is directed in the knitting needle.
The method according to this invention, guide refer to that the unit can carry out the operation of listing as in the following table 1.More particularly, the present invention can utilize the yarn feeding signal to switch the yarn of arbitrary number.
Table 1
For control, it is necessary having only the yarn feeding signal.In order to switch the yarn feeding of four one threads, only need five contact blade 1-1 and a selector 21-1.Therefore, can reduce the width of adjuster 1 and selector unit 21.The number of parts also can reduce.Sender unit also can be simplified.First cam 2 and second cam 3 that are used to swing rocking bar 21-2 can be fixed to frame, because they need not move.Therefore, they can have simple shape and compact size.When not switching yarn, there are not parts to carry out reciprocal gyration, this has caused more quietly operation.All of these factors taken together causes lower cost.
In device of the present invention, adjuster 1 preferably has some contact blades (1-1) that use piezoelectric element.The yarn number that the sum of contact blade (1-1) equals to be used for a yarn feeder adds an extra contact blade that is used for all yarns are switched to non-yarn feeding state.
Preferably, at least the first cam (1) and second cam (3) are fixed on the rack unit of circular knitting machine.This rack unit for example can be a rotating ring.
Preferably, guide plate 16 is provided with a recess 16a at its back.
Preferably, guide plate (16) and thread guide eyelet (17) be arranged to refer to unit (14) when resetting to the normal position when guide, and those guides that are used for being fed into the yarn of knitting machine refer to that unit (14) can move and do not contact these yarns.
In the method for the invention, when being positioned at entopic yarn feeding state and being switched to many yarns yarn feeding state, yarn continues to be fed in the knitting needle, guide refers to that unit (14) preferably is moved to the yarn feeding position and resets to the normal position, at this moment, moving blade (14-2) and tension disk (14-3) are in open mode.
Description of drawings
Goals of the invention more of the present invention and advantage have been described hereinbefore, and be described in conjunction with the drawings in the following description to have clearly and to understand other purpose and advantage of the present invention, wherein:
Fig. 1 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 2 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 3 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 4 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 5 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 6 is a cutaway view, and shown is for the moment situation of yarn feeder in a series of activities stage;
Fig. 7 is a cutaway view, the yarn feeder that shown is according to first embodiment of the invention;
Fig. 8 refers to the front view of unit for guide;
Fig. 9 is the zoomed-in view of guide plate.
The specific embodiment
Parts with reference to the yarn changing device of Fig. 7-9 pair first embodiment of the invention are described below.
Adjuster 1 rotates with the speed identical with knitting machine, and it is arranged on the topmost of yarn changing device.Adjuster 1 has contact blade 1-1, and these contact blades use piezoelectric element.The yarn number that the total number of contact blade 1-1 equals to be used for a yarn feeder is added an extra contact blade and is used for all yarns are switched to non-yarn feeding state.
When contact blade 1-1 response yarn feeding signal or non-yarn feeding signal carry out when mobile, it just engages and pushes selector 21-1.
Rocking bar 21-2 is arranged in and identical gap, selector 21-1 gap of living in.The selected bar 21-1 of rocking bar 21-2 pushes and waves round joint 21-1b, and the function in this joint is equivalent to a pivot.
Sliding part 21-3 is arranged in and identical gap, rocking bar 21-2 gap of living in.Sliding part 21-1 is connected with rocking bar 21-2 by joint 21-1b, and moves with rocking bar 21-2.Sliding part 21-3 has a slot, and pin 21-3b protrudes into wherein.Sliding part 21-3 can flatly move the length of described elongated hole.
Transfer strip 21-4 is arranged in and identical gap, sliding part 21-3 gap of living in.Transfer strip 21-4 connects with sliding part 21-3 by joint 21-4a and moves with sliding part 21-3.
When transfer strip 21-4 moves to the yarn feeding position, it will switch cam 21-5 and rise.
Four cams that act on selector unit 21 are arranged on the rotating ring 23.These cams rotate with the speed identical with knitting machine.First cam 2 and second cam 3 engage with left side heel 21-1a and right heel 21-2b and rocking bar 21-2 are moved to yarn feeding position or non-yarn feeding position.The switching cam 21-5 that the 3rd cam 4 will rise pushes away downwards.Four-cam 22 (referring to Fig. 6) pushes away the left side heel 21-2a of rocking bar 21-2 downwards.
Via switching cam 21-5 and transfer strip 21-4, the 3rd cam 4 pushes away changer lever cam 5, first connecting rod sheet 6 and second connecting rod sheet for 7 times, and wherein first connecting rod sheet 6 links to each other with changer lever cam 5, and second connecting rod sheet 7 links to each other with first connecting rod sheet 6.
First connecting rod sheet 6 links to each other with changer lever 8 with second connecting rod sheet 7.Changer lever 8 links to each other with third connecting rod sheet 9.Changer lever 8 can be around fulcrum 8-1 swing, so third connecting rod sheet 9 moves with the direction opposite with second connecting rod sheet 7.The one elongated hole 24-1 that is arranged on the Shell Plate 24 is guiding described oscillating motion.
Shown in the label 10 is a spring, and this spring is used for the parts after being moved by the 3rd cam 4 are reset to the home position.
The 4th connecting rod piece 11 is in the gap identical with sliding part 21-3, and the gap that is used for selector 21-1 is removed in this identical gap, and this selector is corresponding to the extra contact blade that is used for all yarns are switched to non-yarn feeding state.The 4th connecting rod piece 11 carries out oscillating motion by joint 11-1 and sliding part 21-3 engagement with sliding part 21-3.The 4th connecting rod piece 11 can be around fulcrum 11-2 swing.
The 4th connecting rod piece 11 is by joint 11-3 and the 5th connecting rod piece 12 engagements that can swing.The 5th connecting rod piece 12 by joint 12-2 with can swing the 6th connecting rod piece 13 and be connected.The 5th connecting rod piece 12 can be around fulcrum 12-1 swing.
The 6th connecting rod piece 13 refers to that with guide unit 14 is connected.Guide refers to that unit 14 comprises that a fixed blade 14-1 is used to cut off the yarn that has fed; Also comprise tension disk 14-3, be used to grip the tail end of yarn; Also comprise a moving blade, be used to cut off being held the yarn that contacts with fixed blade 14-1; Also comprise housing 14-4, tension disk 14-3 and moving blade 14-2 are maintained in this housing and they can be swung and open and close.
The lower end of second connecting rod sheet 7 is connected to first pin 19.First pin 19 pushes the projection 14-4a of housing 14-4, thereby with housing 14-4 tension disk 14-3 and moving blade 14-2 is closed and chopped strands.The lower end of third connecting rod sheet 9 is connected to second pin 20.Second pin, the 20 projection 14-4b with housing 14-4 push to, thereby tension disk 14-3 and moving blade 14-2 are opened and discharge the yarn that is held with housing 14-4.
Miscellaneous part also comprises yarn machine 15 (Fig. 8), guide plate 16 and a thread guide eyelet 17.Yarn machine 15 along with the rotation of knitting machine together along circumferential movement, catch the yarn that is in the yarn feeding position, thereby yarn fed knitting needle 18.Guide plate 16 and thread guide eyelet 17 guiding threads and the position of stablizing these yarns.
The description of the 1st mode of operation
Analysing and observe of Fig. 1 to 6 there is shown the situation that yarn feeder is in each working stage.In the following description, will switch four kinds of different yarns in our the employed example.For the convenience of explaining, we claim that these four kinds of yarns are yarn A, yarn B, yarn C and yarn D.The sequence of operations of feeding yarn A is described now.
[1] in Fig. 1, adjuster 1 with constant speed on circumferential direction along with knitting machine moves together, and before engaging selector 21-1a received signal, the contact blade 1-1a that is used for yarn A moves to the yarn feeding position.
[2] along with the rotation of knitting machine, the contact blade 1-1a that is used for yarn A engages selector 21-1a, and this selector 21-1a is pushed.
[3] then, selector 21-1a pushing rocking bar 21-2a, the heel 21-2a-a that is positioned at rocking bar 21-2a left end stretches out.
In Fig. 1, guide refers to that unit 14 is in the position that switching does not have generation, and yarn is fed normally.When guide referred to that unit 14 is in the yarn feeding position, moving blade 14-2 and tension disk 14-3 were opened, but when guide referred to that unit 14 is in non-yarn feeding position, moving blade 14-2 and tension disk 14-3 were closed.In the following description, this state shown in Fig. 1 is called as " normal position ".
[4] in Fig. 2, heel 21-2a-a engages with first cam 2, and this first cam is along with knitting machine moves on circumferential direction, and 21-2a moves right with rocking bar.
[5] moving of rocking bar 21-2a moves right sliding part 21-3 and transfer strip 21-4, thereby the 4th connecting rod piece 11, the 5th connecting rod piece 12 and the 6th connecting rod piece 13 prop up spot wobble accordingly round them.
[6] along with the swing of the 6th connecting rod piece 13, guide refers to that unit 14 carries out a circular motion towards the switching position that is positioned at knitting machine, and yarn A crosses knitting needle 18 from the outside of knitting machine simultaneously.In this position, second pin 20 engages the projection 14-4b of housing 14-4.In the following description, this shown in figure 2 state is called " switching position ".
[7] after this, the yarn machine 15 that upwards moves in week along with knitting machine is caught yarn A and it is fed into (Fig. 8) in one of knitting needle 18.
[8] approximately at the same time, as shown in Figure 3, push away along with knitting machine will switch under the cam 21-5 at the 3rd mobile cam 4 that makes progress in week, further with transfer strip 21-4, changer lever cam 5, first connecting rod sheet 6 and second connecting rod sheet push away for 7 times.
[9] simultaneously, changer lever 8 will push away on the third connecting rod sheet 9 round fulcrum 8-1.Second pin, the 20 projection 14-4b with housing 14-4 have stretched then, have further stretched moving blade 14-2 and tension disk 14-3, thereby discharge the end of yarn A.Yarn A is via thread guide eyelet 17 and thread-carrier plate 16 and be fed in the knitting needle 18.
[10] after this, as shown in Figure 4, spring 10 will switch the normal position that cam 21-5, transfer strip 21-4, changer lever cam 5, first connecting rod sheet 6, second connecting rod sheet 7, changer lever 8 and third connecting rod sheet 9 reset.
[11] then, in Fig. 5, along with knitting machine together week upwards second cam 3 of motion engage the right side heel 21-2b of rocking bar 21-2, and rocking bar 21-2 is moved to the normal position.
[12] sliding part 21-3 and transfer strip 21-4 move to left-hand side and reset to the normal position then.The 4th connecting rod piece 11, the 5th connecting rod piece 12 and the 6th connecting rod piece 13 center on a spot wobble separately and reset to the normal position.
[13] along with the moving of the 6th connecting rod piece 13, guide refers to that unit 14 resets to the normal position.At this moment, guide plate 16 and thread guide eyelet 17 are in a kind of like this state, that is, the guide that is used for yarn A refers to that unit 14 can move under the situation that does not contact the yarn A that is in yarn feeding state (referring to Fig. 8).Specifically, moving blade 14-2 and tension disk 14-3 are in open mode, and the recess 14-1a of fixed blade 14-1 also is in open mode.These parts move in this state and beginning intersects in the bottom of fixed blade 14-1 with the yarn A that is in the yarn feeding state.At this moment, between the bottom of fixed blade 14-1 and yarn A, a gap is arranged.Along with fixed blade 14-1 from the moving of this state, move towards the top of fixed blade 14-1 in the crosspoint, makes gap turn narrow between fixed blade 14-1 and the yarn A.Fixed blade 14-1 is moved further, and when described gap disappeared, yarn A entered into the recess 14-1a of fixed blade 14-1, thereby produces enough gaps between fixed blade 14-1 and yarn A.Fixed blade 14-1 is moved further, and when it reset to initial position, yarn A was in the enough dark position of the recess 14-1a of fixed blade 14-1 for cutting off and be moved blade 14-2 and tension disk 14-3 with the stable manner clamping.
The tension disk 14-3 and the moving blade 14-2 that are used for yarn A are in normal yarn feeding state when opening.Yarn A is fed in the knitting needle continuously at this state.
[14] in Fig. 6, push away under the left side heel 21-2a of four-cam 22 with identical speed rotation rocking bar 21-2 with knitting machine, begin preceding state and return to the yarn conversion.
The description of the 2nd mode of operation
Be used for yarn A is switched to the sequence of operations of non-yarn feeding state from the yarn feeding state, and yarn D describes hereinafter from the sequence of operations that non-yarn feeding state switches to the yarn feeding state.
Yarn D carries out in mode of operation above＜the 1st〉[1] to [13] operation of describing, thereby prepare to be fed.
Because yarn A is in＜the 1 mode of operation〉[1] in do not receive switching signal, be in normal yarn feeding state so guide refers to unit 14, moving blade 14-2 and tension disk 14-3 are in open mode in this state.When second connecting rod sheet 7 was pushed away down, second sold under 20 the projection 14-4a with housing 14-4 and pushes away.Then, moving blade 14-2 and tension disk 14-3 descend, and cutting also grips yarn A, and yarn A is remained on non-yarn feeding state.
The description of the 3rd mode of operation
Be used for yarn A being maintained the yarn feeding state and yarn D being will be described below from the sequence of operations that non-yarn feeding state switches to the yarn feeding state.
For yarn A and D, after the contact blade 1-1a that is used for yarn A and the contact blade 1-1d that is used for yarn D have moved to the yarn feeding position, in＜the 1 mode of operation〉[1] to [13] in operation carry out simultaneously.Yarn D will with in＜the 1 mode of operation in the identical mode of yarn A be in the yarn feeding state.On the other hand, because yarn A has been in the state of preparing yarn feeding, refer to that unit 14 does not grip yarn A so be used for the guide of yarn A, yarn A will be from the depths state of recess in fixed blade 14-1 carry out＜the 1 mode of operation [1] to [13] the operation of description.
The description of the 4th mode of operation
A series of " cancellation (blank out) " operation hereinafter will be described, wherein all yarns that fed are switched to non-yarn feeding state.The 4th connecting rod piece 11, the 5th connecting rod piece 12 and the 6th connecting rod piece 13 and guide refer to that unit 14 is not included in the linkage component that is used for " cancellation " operation.
The adjuster 1 that rotates with the speed identical with knitting machine is used at joint receiving a signal before the selector 21-1x of " cancellation " operation, is used for the contact blade 1-1x that " cancellation " operate and moves to the yarn feeding position.
As in＜the 1 mode of operation〉[2] to [4] in identical operations be performed.
Aforesaid operations moves right sliding part 21-3 and transfer strip 21-4.
The 3rd cam 4 that rotates with the speed identical with knitting machine will switch under the cam 21-5 and push away, and this switching cam 21-5 pushes away transfer strip 21-4, changer lever cam 5, first connecting rod sheet 6 and second connecting rod sheet 7 again down.Then, second pin 20 descends housing 14-4.Simultaneously, moving blade 14-2 and tension disk 14-3 descend, and cut and grip the yarn that all are just being fed, and all these yarns are maintained non-yarn feeding state.
Carry out and＜the 1 mode of operation〉[10] to [11] in identical operations.
Then, sliding part 21-3 and transfer strip 21-4 are moved to the left and reset to its home position.
Claims (11)
1, the yarn converting means in a kind of circular knitting machine, this circular knitting machine has the parts of the formant that constitutes the yarn converting means and the formant of yarn converting means is applied the parts of effect, the parts of the formant of described formation yarn converting means comprise: contact blade (1-1), and they are to be arranged in the yarn feeding alternative pack that the formant of yarn converting means is applied the adjuster (1) of the parts of effect; Selector unit (21), its action with contact blade (1-1) are delivered to the inside of yarn feeding device to switch at least two kinds of hosiery yarnss; First transferring elements (21,11,12,13); Guide refers to unit (14), they by selector unit (21) via first transferring elements (21,11,12,13) the action effect of Chuan Diing is moved to normal position and switching position, and each guide refers to that the unit has moving blade (14-2) and tension disk (14-3); Second transferring elements (21-5,21-4,5,6,7,8,9,19,20); Guide refers to that the moving blade (14-2) of unit (14) and tension disk (14-3) are opened and closed under the action effect of transmitting via second transferring elements (21-5,21-4,5,6,7,8,9,19,20); Thread guide eyelet (17) and guide plate (16), they hosiery yarns is directed in the knitting needle and
The parts that described formant to the yarn converting means applies effect comprise: described adjuster (1) is used for selecting to be fed into the yarn of knitting machine; First cam (2), it rotates with the speed identical with knitting machine and selected guide is referred to that unit (14) moves to switching position; Second cam (3), it rotates with the speed identical with knitting machine and the guide that will be in switching position refers to that unit (14) moves to the normal position; The 3rd cam (4), it rotates with the speed identical with knitting machine and all guides is referred to that the moving blade (14-2) of unit (14) and tension disk (14-3) open and close; Four-cam (22), it rotates with the speed identical with knitting machine, and each parts of yarn converting means are reset to selection hosiery yarns residing position before.
2, device as claimed in claim 1, wherein the sum of contact blade (1-1) the yarn number that equals to be used for a yarn feeder adds an extra contact blade that is used for all yarns are switched to non-yarn feeding state.
3, device as claimed in claim 1 or 2, wherein, at least the first cam (1) and second cam (2) are fixed on the rack unit of circular knitting machine.
4, device as claimed in claim 1 or 2, wherein, guide plate (16) is provided with a recess at its back side.
5, device as claimed in claim 3, wherein, guide plate (16) is provided with a recess at its back side.
6, device as claimed in claim 1 or 2, wherein, guide plate (16) and thread guide eyelet (17) be arranged to refer to unit (14) when resetting to the normal position when guide, and those guides that are used for being fed into the yarn of knitting machine refer to that unit (14) can move and do not contact these yarns.
7, device as claimed in claim 3, wherein, guide plate (16) and thread guide eyelet (17) be arranged to refer to unit (14) when resetting to the normal position when guide, and those guides that are used for being fed into the yarn of knitting machine refer to that unit (14) can move and do not contact these yarns.
8, device as claimed in claim 4, wherein, guide plate (16) and thread guide eyelet (17) be arranged to refer to unit (14) when resetting to the normal position when guide, and those guides that are used for being fed into the yarn of knitting machine refer to that unit (14) can move and do not contact these yarns.
9, device as claimed in claim 5, wherein, guide plate (16) and thread guide eyelet (17) be arranged to refer to unit (14) when resetting to the normal position when guide, and those guides that are used for being fed into the yarn of knitting machine refer to that unit (14) can move and do not contact these yarns.
10, a kind of method that in circular knitting machine, is used to switch at least two kinds of hosiery yarnss, described circular knitting machine comprises: adjuster (1) is used for selecting to be fed into the yarn of knitting machine; Guide refers to unit (14), and each guide refers to that the unit has moving blade (14-2) and tension disk (14-3); First cam (2), it rotates with the speed identical with knitting machine and selected guide is referred to that unit (14) moves to switching position; Second cam (3), it rotates with the speed identical with knitting machine and the guide that will be in switching position refers to that unit (14) moves to the normal position; The 3rd cam (4), it rotates with the speed identical with knitting machine and all guides is referred to that the moving blade (14-2) of unit (14) and tension disk (14-3) open and close; Four-cam (22), it rotates with the speed identical with knitting machine, and each parts of yarn converting means are reset to selection hosiery yarns residing position before; Contact blade (1-1), they are the yarn feeding alternative packs in the adjuster (1); Selector unit (21); First transferring elements (21,11,12,13); Second transferring elements (21-5,21-4,5,6,7,8,9,19,20); Thread guide eyelet (17) and guide plate (16), they direct into hosiery yarns in the knitting needle;
It is characterized in that described method comprises:
Such step, in this step, selector unit (21) is delivered to the action of contact blade (1-1) inside of yarn feeding device;
Such step, this step are used for guide is referred to unit (14), under the action effect of being transmitted via first transferring elements (21,11,12,13) by selector unit (21), move to normal position and switching position;
Such step, this step be used for guide refer to the moving blade (14-2) of unit (14) and tension disk (14-3) by the 3rd cam (4) via second transferring elements (21-5,21-4,5,6,7,8,9,19,20) the action effect of Chuan Diing opens and closes down; And
Such step, this step are used for by thread guide eyelet (17) and guide plate (16), and hosiery yarns is directed in the knitting needle.
11, method as claimed in claim 10, wherein, when being positioned at entopic yarn feeding state and being switched to many yarns yarn feeding state, yarn continues to be fed in the knitting needle, guide refers to that unit (14) is moved to the yarn feeding position and resets to the normal position, at this moment, moving blade (14-2) and tension disk (14-3) are in open mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003278824A JP2005042260A (en) | 2003-07-24 | 2003-07-24 | Feed yarn changeover apparatus for circular knitting machine and changeover method |
| JP278824/2003 | 2003-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1576425A CN1576425A (en) | 2005-02-09 |
| CN100532672C true CN100532672C (en) | 2009-08-26 |
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ID=34056186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100586160A Expired - Fee Related CN100532672C (en) | 2003-07-24 | 2004-07-23 | Apparatus and method for changing yarn in tubular knitting machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2005042260A (en) |
| CN (1) | CN100532672C (en) |
| DE (1) | DE102004033655B4 (en) |
| IT (1) | ITTO20040515A1 (en) |
| TW (1) | TWI321602B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100666653B1 (en) * | 2005-11-17 | 2007-01-10 | 파이룽 머시너리 밀 코., 엘티디. | A striping apparatus of a circular knitting machine |
| JP2008101301A (en) * | 2006-10-19 | 2008-05-01 | Precision Fukuhara Works Ltd | Circular knitting machine equipped with yarn feed switching device |
| JP2008280641A (en) * | 2007-05-10 | 2008-11-20 | Precision Fukuhara Works Ltd | Stripe pattern knitting device of feed yarn changeover apparatus and its knitting method |
| JP2009203566A (en) * | 2008-02-26 | 2009-09-10 | Precision Fukuhara Works Ltd | Yarn feed and guide apparatus in circular knitting machine, and method for knitting using the same |
| CN101586284B (en) * | 2008-05-19 | 2011-06-22 | 洪荣豪 | Work pin propelling structure for unclamping garn to change yarn |
| CN201284398Y (en) * | 2008-10-28 | 2009-08-05 | 刘金华 | Color changing head of knitting machine |
| CN101492859B (en) * | 2009-02-13 | 2010-12-08 | 惠安金天梭精密机械有限公司 | Method for preventing knitting needle breakage of yarn change machine and structure with yarn knife |
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| US10669658B2 (en) | 2017-12-06 | 2020-06-02 | Pai Lung Machinery Mill Co., Ltd. | Electronic yarn changing device for circular knitting machine |
| ES2776732T3 (en) | 2017-12-11 | 2020-07-31 | Pai Lung Machinery Mill Co Ltd | Electronic yarn changing device for circular knitting machine |
| CN107829205B (en) * | 2017-12-14 | 2023-07-04 | 唐山雾谷机电设备有限公司 | Yarn feeding structure of yarn changer |
| CN108411480B (en) * | 2018-04-28 | 2024-01-23 | 黄创能 | Color-changing head structure of knitting machine |
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| DE3325102A1 (en) * | 1983-07-12 | 1985-01-31 | SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt | Yarn-changing device for knitting machines |
| CN1030453A (en) * | 1988-04-18 | 1989-01-18 | 上海市针织科学技术研究所 | Crochet hook circle latitude machine needle-thread tensioning control device and line transfer method thereof |
| CN2345553Y (en) * | 1998-06-12 | 1999-10-27 | 常熟市针织机械研究所 | Stripper for knitting circular machine |
| US6000245A (en) * | 1995-03-31 | 1999-12-14 | Sipra Patententwicklugs-Und Beteiligungsgesellschaft | Circular knitting machine with a yarn changer |
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|---|---|---|---|---|
| JP2000328403A (en) * | 1999-05-25 | 2000-11-28 | Precision Fukuhara Works Ltd | Yarn feed shifting apparatus for knitting machine |
| JP2004204360A (en) * | 2002-12-24 | 2004-07-22 | Precision Fukuhara Works Ltd | Feed yarn changeover apparatus in circular knitting machine |
-
2003
- 2003-07-24 JP JP2003278824A patent/JP2005042260A/en active Pending
-
2004
- 2004-06-08 TW TW93116361A patent/TWI321602B/en not_active IP Right Cessation
- 2004-07-12 DE DE102004033655.5A patent/DE102004033655B4/en not_active Expired - Fee Related
- 2004-07-23 CN CNB2004100586160A patent/CN100532672C/en not_active Expired - Fee Related
- 2004-07-23 IT ITTO20040515 patent/ITTO20040515A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3325102A1 (en) * | 1983-07-12 | 1985-01-31 | SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt | Yarn-changing device for knitting machines |
| CN1030453A (en) * | 1988-04-18 | 1989-01-18 | 上海市针织科学技术研究所 | Crochet hook circle latitude machine needle-thread tensioning control device and line transfer method thereof |
| US6000245A (en) * | 1995-03-31 | 1999-12-14 | Sipra Patententwicklugs-Und Beteiligungsgesellschaft | Circular knitting machine with a yarn changer |
| CN2345553Y (en) * | 1998-06-12 | 1999-10-27 | 常熟市针织机械研究所 | Stripper for knitting circular machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004033655A1 (en) | 2005-02-10 |
| TWI321602B (en) | 2010-03-11 |
| JP2005042260A (en) | 2005-02-17 |
| ITTO20040515A1 (en) | 2004-10-23 |
| DE102004033655B4 (en) | 2016-12-22 |
| CN1576425A (en) | 2005-02-09 |
| TW200508442A (en) | 2005-03-01 |
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