CN102888705A - Yarn tension adjusting device of computer flat knitting machine - Google Patents
Yarn tension adjusting device of computer flat knitting machine Download PDFInfo
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- CN102888705A CN102888705A CN2012104031230A CN201210403123A CN102888705A CN 102888705 A CN102888705 A CN 102888705A CN 2012104031230 A CN2012104031230 A CN 2012104031230A CN 201210403123 A CN201210403123 A CN 201210403123A CN 102888705 A CN102888705 A CN 102888705A
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Abstract
The invention relates to a yarn tension adjusting device of a computer flat knitting machine, belonging to the technical field of computer flat knitting machines. The yarn tension adjusting device comprises a box body, a box cover, a yarn guide rod, a circuit board, a broken yarn alarm mechanism and a yarn pretension adjusting mechanism, wherein a thread passing board extends from the box body, the yarn guide rod is arranged outside the box body, the right end of the yarn guide rod is fixed on a yarn guide rod seat, the left end of the yarn guide rod forms a free end, the circuit board is arranged in a box cavity and is electrically connected with a computer controller, the broken yarn alarm mechanism is connected with the yarn guide rod seat and is matched with the circuit board, and the yarn pretension adjusting mechanism is arranged on one side of the thread passing board and at the right end of a passing thread. The yarn tension adjusting device has the characteristics that the broken yarn alarm mechanism comprises a broken yarn signal rod applied force adjusting device and a broken yarn signal rod, the broken yarn signal rod applied force adjusting device is arranged on the box wall (of the box body) facing one side of the box cover and is also connected with the broken yarn signal rod, and the broken yarn signal rod is connected with the yarn guide rod seat and is also matched with the circuit board. The yarn tension adjusting device has the advantages that a signal can to be timely fed back to the circuit board when a yarn is broken so as to reflect the reliability of broken yarn alarm, thus guaranteeing the quality of braided fabric.
Description
Technical field
The invention belongs to the computer plain flat knitter technical field, be specifically related to a kind of device for adjusting tension of yarn of computer plain flat knitter, will under the state of control tension force, be caused by the yarn that yarn feeder transfers out the head of the knitting mechanism of computer plain flat knitter
Background technology
Aforesaid device for adjusting tension of yarn is because of the upper lateral part of the end that usually is installed in computer plain flat knitter, so industry is called side sky wire tension adjustment arrangement visually, even directly is called " side antenna platform ".Because the tension force of yarn is not constant, because both be subjected to self material namely to consist of the impact of the fibrous raw material of yarn, the again impact of climate such as environment temperature and humidity, therefore in knitting mechanism braiding process, often need according to a certain a few or all the tension force of yarns in time adjust, in order to guarantee yarn feeding effect to knitting mechanism.
Although the device for adjusting tension of yarn of computer plain flat knitter differs at call nominally; but with regard to function, has identical part; and in published Chinese patent literature, can be seen in; typical " the broken yarn alarm mechanism of the yarn pretension regulator of computer plain flat knitter " that provides such as " yarn break alarming device of the yarn pretension adjusting mechanism of computer plain flat knitter " and the CN202011961U of Granted publication CN202011960U recommendation; these two patents all have adjusts and implements warning to the pretension of yarn when yarn breakage occurring; so that signal is passed to computer plain flat knitter, make computer plain flat knitter be in stopped status.
Structural analysis from above-mentioned two patents, has the effect that plays the same tune on different musical instruments, can be specifically referring to specification the 0009th hurdle of CN202011960U and specification the 0009th hurdle of CN202011961U to this, and the something in common of these two patents all is by the broken yarn signal lever motion transmission of signal of (a rear patent claims that the broken yarn signal lever is haptic element).But, there is following logical fraud: because that the broken yarn signal lever is the active force of conductor rod is comparatively fragile, thereby have this warning and the anxiety of warning not, if in time do not found and dispose, cause fabric defective product to occur and even fabric is scrapped because lacking a certain road or several roads yarn so.For example when the braiding pattern fabric, different colors is taken on by different yarns, in case the yarn breakage of a certain color then causes textile design to go out defect.Therefore be the prerequisite of guaranteeing fabric quality to lever jack according to needing adjustment and after broken yarn occurring, reaching alarm
Summary of the invention
Task of the present invention is to provide a kind of and helps to ensure the desirable active force of lever jack and use the alarm reliability when embodying broken yarn and ensure the device for adjusting tension of yarn of the computer plain flat knitter of fabric quality.
Task of the present invention is finished like this, and a kind of device for adjusting tension of yarn of computer plain flat knitter comprises the box body with box chamber, crosses the line plate being extended with one on this box body and below corresponding to the box chamber diapire in box chamber; With tray cover being used for of joining a lid that protects is covered in described box chamber; Be positioned at the outer lever jack of box body, the right-hand member of this lever jack is fixed on the guide pole socket, and left end constitutes free end; One circuit board, this circuit board are arranged in the described box chamber, and with the electrical connection of the computer controller of computer plain flat knitter; Be arranged in the box chamber and be positioned at a broken yarn alarm mechanism of box chamber right-hand member, this broken yarn alarm mechanism is connected with described guide pole socket, and matches with described circuit board; One yarn pretension adjusting mechanism, this yarn pretension adjusting mechanism are arranged on the described line plate of crossing towards a side of described lid, and are positioned at the right-hand member of line; Characteristics are: described broken yarn alarm mechanism comprises broken yarn signal lever active force regulator and broken yarn signal lever, broken yarn signal lever active force regulator is arranged on described box body rotationally on the box wall of a side of described lid, and be connected with the broken yarn signal lever, and the broken yarn signal lever is fixedly connected with described guide pole socket, and matches with described circuit board.
In a specific embodiment of the present invention, on described circuit board and in the position corresponding to described broken yarn signal lever, be provided with a broken yarn signal response device, described broken yarn signal function force adjusting device comprises the adjusting knob outside the box chamber that is positioned at described box body and is positioned at the adjusting fluted disc in box chamber, regulate the fluted disc axle, spring and extension spring, regulate the fluted disc axle is stretched over and adjusting knob is fixed towards an end of adjusting knob in box the chamber outside, regulating fluted disc directly is formed on the adjusting fluted disc axle, one end of spring is fixed on to be regulated on the fluted disc, the other end is fixed on the described broken yarn signal lever, one end of extension spring is fixed on to be regulated on the fluted disc axle, the other end is fixed on the extension spring fixed leg, and the extension spring fixed leg is formed in box body on the wall body of box chamber one side; On described broken yarn signal lever and in the position corresponding to described guide pole socket, consist of a guide pole socket connecting axle is arranged, this guide pole socket connecting axle is bearing on the pivot axle bed rotationally, and the pivot axle bed is formed in box body on the wall body of box chamber one side, be provided with a broken yarn signal picker at the broken yarn signal lever towards a side of described circuit board and in the position corresponding to described broken yarn signal response device, described guide pole socket is fixedly connected with described guide pole socket connecting axle.
In another specific embodiment of the present invention, on described adjusting fluted disc axle and in the position corresponding to described adjusting fluted disc, consist of a spring position-arresting disk is arranged, this spring position-arresting disk and the spacing of regulating between the fluted disc constitute the spring container cavity, regulating on the fluted disc and be extended with a spring fixed seat towards a side of described spring restriction dish, a described end of described spring is contained in the spring container cavity, and fix with spring fixed seat, be extended with a spring fixed axis at described broken yarn signal lever, the described other end of described spring is fixed on this spring fixed axis.
In another specific embodiment of the present invention, be extended with one at the dish edge of described adjusting fluted disc and regulate fluted disc and stop bead, regulate the stop block that fluted disc is rotated further and be extended with for stoping towards a side in box chamber and in the position corresponding to the dish edge of regulating fluted disc at described box body.
Technical scheme provided by the invention changes by the position that can make the broken yarn signal lever to the adjustment of broken yarn signal lever active force regulator, make the broken yarn signal lever to the active force adjustment of lever jack, when guaranteeing broken yarn in time with signal feedback to circuit board, use the quality that ensures braided fabric to embody the reliability that broken yarn reports to the police.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is the front schematic view after Fig. 1 removes lid.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
See also Fig. 1 and Fig. 2; before entering the description of the drawings; the applicant need to prove: every relate to left, center, right and upper and lower directionality or claim the concept of directionality all be at present by location status illustrated in figures 1 and 2, therefore can't limit whereby the protection domain of technical scheme provided by the invention.Because according to common practise, the left end of Fig. 1 and Fig. 2 state has just become right-hand member after turning over 180 ° at present.Again, present state illustrated in figures 1 and 2 is the use state (also can claim installment state) on computer plain flat knitter.
Provided one and preferred used plastics and through molded and shaped box body 1, this box body 1 consists of a box chamber 11, diapire 111 middle parts, box chamber (taking back in the middle part) that in the bottom of the length direction of box body 1 are box chamber 11 offer the first catch slot to make way 1111 that communicates with box chamber 111 and one second a catch slot to make way 1112, wherein: the second catch slot to make way 1112 is positioned at the left side of the first catch slot to make way 1111, and on box chamber diapire 111, also be embedded with an alarm lamp 1113, this alarm lamp 1113 is positioned at the left side of the second catch slot to make way 1112, but the position of this alarm lamp 1113 is not unique, it can be arranged on other correct position of box body 1, as long as can satisfy the requirement that is electrically connected with the following circuit board that also will describe 4.In the bottom of box body 1 and the position placed in the middle that is preferably placed at the length direction of box body 1 be extended with one and cross line plate 12, this cross line plate 12 length direction the middle part and consist of towards a side of the following lid that is about to mention 2 and to have a pair of first by strip base 121, this a pair of first by between the strip base 121 preferably with chimeric mode build-in have a shape of cross section be " ［ " shape first by line plate 1211, consist of and have a pair of second by strip base 122 and namely be positioned at the first left side by strip base 121 at the left end of the length direction of crossing line plate 12, this a pair of second by between the strip base 122 equally preferably with chimeric mode build-in one shape of cross section be " ［ " shape second by line plate 1221.
Be linked with a yarn guide hook 14 in the left end end of box body 1, an end of this yarn guide hook 14 is bent with one first yarn-guiding loop 141, and the other end is bent with one second yarn-guiding loop 142.
As preferred scheme, can be on box body 1 and setting a lampshade 15 corresponding to the position of aforesaid alarm lamp 1113 in the mode of the plug of drawer-like, and the color of lampshade 15 is preferably redness.
The self-evident effect of the lid 2 that provides is the uncovered position sealings to aforementioned box chamber 11, preferred scheme is to adopt one group of lid hold-down screw 21 fixing with the one group of lid fixed leg 112 that is preset in the box chamber 11, and the lid holder 22 that one is formed in lid 2 bottoms is used for fixing with computer plain flat knitter.
The lever jack 3 that provides is essentially a steel wire with excellent resilience, and the industry custom claims that lever jack 3 is yarn take-up spring, one end of this lever jack 3 is that the right-hand member of shown position state is fixed on the guide pole socket 31, this guide pole socket 31 is connected with the following broken yarn alarm mechanism 5 that will describe by guide pole socket hold-down screw 311, the other end of lever jack 3 is that right-hand member constitutes free end, and the direction towards aforesaid yarn guide hook 14 stretches, the described other end (right-hand member) at this lever jack 3 is fixed with a guide porcelain circle 32 of preferably being filled the post of by pottery, guide porcelain circle 32 has a guide porcelain circle hole 321, passes through for yarn 9.
The circuit board that is positioned at box chamber 11 4 shown in the figure is positioned at by the set of circuits plate placement hole 44 of wherein going up the interval and offering on the corresponding circuit board locating dowel 113 of a group of defaulting in box chamber 11 and circuit board installing hole 44, this circuit board 4 is connected with the computer controller electrical control of computer plain flat knitter, and the length direction right-hand member at circuit board 4 is provided with a broken yarn signal response device 41, the middle part is provided with a major tubercle signal response device 42, and right-hand member is provided with a lesser tubercle signal response device 43.In the present embodiment, broken yarn signal response device 41, major tubercle signal response device 42 and lesser tubercle signal response device 43 are the position approach switch, more particularly are proximity Hall switch.
Technical essential as technical scheme provided by the invention: the broken yarn alarm mechanism 5 of recommendation is arranged on the right-hand member in aforementioned box chamber 11, this broken yarn alarm mechanism 5 comprises broken yarn signal lever active force regulator 51 and broken yarn signal lever 52, it is on the wall body towards the box wall of a side of lid 2 that broken yarn signal lever active force regulator 51 is arranged on box body 1 rotationally, and be connected with broken yarn signal lever 52, and broken yarn signal lever 52 is fixedly connected with aforesaid guide pole socket 31, and matches with circuit board 4.
On aforesaid broken yarn signal lever 52 and consisting of corresponding to the position of guide pole socket 31, have or claim to be extended with a guide pole socket connecting axle 521, this guide pole socket connecting axle 521 is bearing on the pivot axle bed 5211 rotationally, and pivot axle bed 5211 is formed in box body 1 on the wall body of box chamber 11 1 sides, and aforesaid guide pole socket hold-down screw 311 is fixedly connected with guide pole socket connecting axle 521.Be embedded with a broken yarn signal picker 522 at broken yarn signal lever 52 towards a side of aforementioned circuit plate 4 and in the position corresponding to broken yarn signal response device 41, this broken yarn signal picker 522 is magnet.Again, consisting of on broken yarn signal lever 52 and in the position corresponding to aforesaid broken yarn signal lever active force regulator 51 has a spring fixed axis 523, and this spring fixed axis 523 is connected with broken yarn signal lever active force regulator 51.
Aforesaid broken yarn signal lever active force regulator 51 preferably but not the structure that definitely is limited to is as follows: comprise the adjusting fluted disc 512 that is positioned at the outer adjusting knob in box chamber 11 511 and is positioned at box chamber 11, regulate fluted disc axle 513, spring 514 and extension spring 515, regulate fluted disc axle 513 towards the fluted disc axle resigning hole 16 of an end on being preset in box body 1 of adjusting knob 511 be stretched in the box chamber 11 outside with adjusting knob 511 on adjusting knob fixing hole 5111 fix, regulating fluted disc 512 directly is formed on the adjusting fluted disc axle 513, regulate also consist of on the fluted disc axle 513 have a diameter substantially with the spring position-arresting disk 5131 of the equal diameters of regulating fluted disc 512, this spring position-arresting disk 5131 constitutes spring container cavity 5132 with space between the adjusting fluted disc 512.Be extended with a spring fixed seat 5121 at above-mentioned adjusting fluted disc 512 towards a side of spring position-arresting disk 5131, certainly, spring fixed seat 5121 also can extend in the mode of equivalence and is formed in spring position-arresting disk 5131 and is formed in the aforesaid spring container cavity 5132 towards a side or the extension of regulating fluted disc 512.On the dish edge of regulating fluted disc 512, also be extended with an adjusting fluted disc and stop bead 5122, and at aforementioned box body 1 towards a side in box chamber 11 and stopping that corresponding to regulating fluted disc the position of bead 5122 is extended with a stop block 13, when driving, turn adjusting knob 511 regulates 513 rotations of fluted disc axle, by regulating fluted disc axle 513 together with regulating fluted disc 512 rotations, when the adjusting fluted disc on regulating fluted disc 512 stops that bead 5122 contacts with stop block 13, adjusting knob 511 reaches capacity to the angle of same direction rotation so, namely can not continue rotation.One end of spring 514 is fixed on the aforesaid spring fixed seat 5121, and this end of spring 514 is positioned at aforesaid spring container cavity 5132, and the other end of spring 514 is fixed on the spring fixed axis 523 of aforementioned broken yarn signal lever 52.One end of extension spring 515 is fixed in the hook mode and regulates on the fluted disc axle 513, and the other end is fixed on the extension spring fixed leg 5151 with the hook fixed form equally, extension spring fixed leg 5151 is formed in box body 1 on the wall body of box chamber 11 1 sides, namely towards the wall body of lid 2 one sides.
Take the position at operator place over against (facing) adjusting knob 511 as example, when the operator with adjusting knob 511 during to the counter clockwise direction turn, drive and regulate the counterclockwise rotation of fluted disc axle 513 dos, because being fixed in, regulates on the fluted disc 512 at an end of spring 514, therefore regulating fluted disc 512 with when regulating 513 rotations of fluted disc axle the described end of spring 514 being wound up on the spring container cavity 5132, that is to say by a described end of regulating the spring fixed seat 5121 pulling springs 514 on the fluted disc 512, the other end by spring 514 drives broken yarn signal lever 52 by spring fixed axis 523, the guide pole socket 31 that is fixedly connected with the guide pole socket connecting axle 521 of broken yarn signal lever 52 moves to counter clockwise direction with broken yarn signal lever 52, the aforementioned free end of lever jack 3 is upturned, and vice versa.In clockwise or in the process that is rotated counterclockwise of this adjusting knob 511, also change with the position of broken yarn signal response device 41 on the broken yarn signal picker 522 corresponding circuit boards 4 on the broken yarn signal lever 52, more particularly, the degree of the staggered positions between broken yarn signal picker 522 and the broken yarn signal response device 41 obtains by turn adjusting knob 511, and adjusting knob 511 is suitable/and the degree of regulating counterclockwise determined by the tension force of required yarn 9.When the fracture situation appears in yarn 9, because aforesaid lever jack 3 has lost the control (9 pairs of guide porcelain of yarn circle 32 does not have control power) of yarn 3, therefore the poised state between lever jack 3 and the spring 514 is broken, so the drop-down dynamic circuit breaker yarn of restoring force effect signal lever 52 at spring 514, drive clockwise revolution of guide pole socket 31 by broken yarn signal lever 52 simultaneously, in this process, broken yarn signal picker 522 is just corresponding with broken yarn signal response device 41, with the broken yarn signal feedback to broken yarn signal response device 41, because circuit board 4 and computer controller electrical connection, therefore send instruction and the knitting mechanism of computer plain flat knitter is quit work by computer controller, simultaneously, above mentioned alarm lamp 113 is reported to the police, and namely bright light works online personnel with yarn 9 connections of rupturing with prompting.Hence one can see that; can rationally regulate the position of broken yarn signal lever 52 by broken yarn signal lever active force regulator 51; can not occur broken yarn signal picker 522 when broken yarn can not be in time with the situation of broken yarn signal feedback to circuit board 4, thereby guaranteed and alarm and the effect of shutting down.
Please continue to see Fig. 1 and Fig. 2, yarn pretension adjusting mechanism 6 provided by the invention is arranged on the aforementioned right-hand member of crossing line plate 12, the structure of this yarn pretension adjusting mechanism 6 is as follows: comprise yarn clipping dish axle 61, first, the second yarn clipping dish 62,63, Pagoda-shaped spring 64, twizzle seat 65 and twizzle 66, yarn clipping dish axle 61 is fixed on the aforesaid right-hand member of crossing line plate 12 with the horizontal boom state, first, the second yarn clipping dish 62,63 are nested with on yarn clipping dish axle 61 with back-to-back state each other, because first, the second yarn clipping dish axle 62,63 shape is plate shape (namely being basin shape), therefore mutual back-to-back setting and embodied excellent fiting effect, Pagoda-shaped spring 64 is nested with on yarn clipping dish axle 61, one end of this Pagoda-shaped spring 64 is that stub end is bearing in the second yarn clipping dish 63 back to a side of the first yarn clipping dish 62, and the other end of Pagoda-shaped spring 64 is that microcephaly's end bearing is on yarn clipping dish adjusting knob 611, this yarn clipping dish adjusting knob 611 screws end at yarn clipping dish axle 61 with thread fiting mode, twizzle 66 matches with twizzle seat 65, and be nested with on yarn clipping dish axle 61, shown in figure, twizzle 66 is positioned at first with twizzle seat 65, the second yarn clipping dish 62, between 63, and the space between twizzle 66 and the twizzle seat 65 constitutes yarn path 661.
When clockwise direction turn yarn clipping dish adjusting knob 611,64 compressions of Pagoda-shaped spring, force the second yarn clipping dish 63 to move to the direction of the first yarn clipping dish 62, the chucking power of yarn 9 between first, second yarn clipping dish 62,63 time increased, vice versa, thereby reach the purpose that the pretension of yarn 9 is regulated.
Please still see Fig. 1 and Fig. 2, owing on yarn 9, unavoidably exist tubercle and tubercle to have size not, if major tubercle is not disposed and is fed to knitting mechanism, can undermine so the quality of fabric, therefore the present invention has also recommended yarn major tubercle signals collecting mechanism 7, this yarn major tubercle signals collecting mechanism 7 is positioned at the middle part of the length direction in box chamber 11 substantially, namely is positioned at the left side of aforesaid broken yarn alarm mechanism 5.
Preferably but not the yarn major tubercle signals collecting mechanism 7 that definitely is limited to comprises that first adjusts knob 71, the first screw shaft 72, first adjusts spring 73, major tubercle catch holder 74, holder support column 75, fulcrum post 76, supporting key seat 77, major tubercle signals collecting swing arm 78 and the first back-moving spring 79, first adjusts knob 71 is positioned at box body 1 back to a side in box chamber 11, the first screw shaft 72 is stretched over outside the box chamber 11 towards the wall that first end of adjusting knob 71 passes box body 1, and fixing with first the first screw shaft fixing hole 711 of adjusting on the knob 71, the other end at the first screw shaft 72 is equipped with one first nut sleeve 721 with thread fiting mode, this first nut sleeve 721 consists of towards first side of adjusting spring 73 one first spring cavity 7211, and consisting of at the outer wall of the circumferencial direction of the first nut sleeve 721 has a shift fork 7212, shift fork 7212 consists of a shift fork chamber 72121, first adjusts spring 73 is nested with on the first screw shaft 72, and on the wall body of box chamber 11 1 sides, and the other end probes in the first spring cavity 7211 this first end bearing of adjusting spring 73 and be bearing on the chamber diapire of described the first spring cavity 7211 of the first nut sleeve 721 at box body 1.Major tubercle catch holder 74 is located on the major tubercle catch holder pivotal axis 741 rotationally in the position corresponding to shift fork chamber 72121, and major tubercle catch holder pivotal axis 741 directly is formed in box body 1 towards a side in box chamber 11, and corresponding to aforesaid shift fork chamber 72121, on this major tubercle catch holder 74 and in the position corresponding to major tubercle signals collecting swing arm 78, consist of one first haptic element 742 is arranged, and then, be fixed with the upper end of a major tubercle catch 743 with the vertical cantilever state in the bottom of major tubercle catch holder 74, and the lower end of major tubercle catch 743 is corresponding to aforesaid the first catch groove 1111 of stepping down, and stretches towards the aforementioned first direction by line plate 1211.By consisting of between the line plate 1211 gap is arranged at major tubercle catch 743 and first, this gap is passed through for yarn 9, that is to say that this gap is the approach passage of yarn 9.Major tubercle catch holder 74 is towards the narrow contracting of an end of holder support column 75 and consist of a supporting head 744 is arranged.Supporting key seat 77 directly is formed in box body 1 towards a side in box chamber 11, and has a shape of cross section preferably to be the supporting cotter way 771 of the V font of English alphabet at this supporting key seat 77 towards the length direction formation of fulcrum post 76 1 sides.In the tube chamber of fixed bearing pipe 75, inserted a support spring 751, fulcrum post 76 contacts in an end of holder support column 75 inserts holder support column 75 and with support spring 751, and fulcrum post 76 towards an end bearing that supports key seat 77 in aforesaid supporting cotter way 771.Be concaved with a supporting head nest 752 at holder support column 75 towards the end face of aforementioned major tubercle catch holder 74 1 ends, aforesaid supporting head 744 probes in this supporting head nest 752.The middle part of major tubercle signals collecting swing arm 78 is arranged on the first arm shaft 781 rotationally, and this first arm shaft 781 directly is formed in box body 1 towards a side in box chamber 11, one end of major tubercle signals collecting swing arm 78 is that the lower end of location status shown in Figure 1 is corresponding with aforesaid the second haptic element 742, and being the upper end of location status shown in Figure 1, the other end is connected with an end of the first back-moving spring 79, an end of the first back-moving spring 79 is fixed on the spring fixed column 783 that directly is formed in the major tubercle signals collecting swing arm 78 specifically, the other end of the first back-moving spring 79 is fixed on the first back-moving spring axle 791, and this first back-moving spring axle 791 directly is formed in box body 1 towards a side in box chamber 11.Shown in figure, in major tubercle signals collecting swing arm 78 and towards a side of aforesaid circuit board 4, be embedded with a major tubercle signal picker 782, this major tubercle signal picker 782 and aforesaid major tubercle signal response device 42 are corresponding or claim to match.In the present embodiment, major tubercle signal picker 782 is magnet.
When the yarn 9 that comes from yarn pretension adjusting mechanism 6 passes through by the gap between the line plate 1211 from major tubercle catch 743 and first, when major tubercle being arranged on the yarn 9 or claims the situation of large knot, because the Width tubercle in gap is little, therefore the major tubercle on the yarn 9 is driving major tubercle catch 743 swing (swinging) left by way of herein the time, driving major tubercle catch holder 74 by major tubercle catch 743 pivots clockwise, by the first haptic element 742 on the major tubercle catch holder 74 with the lower end of major tubercle signals collecting swing arm 78 namely an end corresponding with the first haptic element 742 swing left, and the upper end of major tubercle signals collecting swing arm 78 namely swings to the right with the end that the first back-moving spring 79 is connected, at this moment, 79 elongations of the first back-moving spring, and act on holder support column 75 by supporting head 744, make holder support column 75 displacement to the right.Under this state, major tubercle signal picker 782 in the major tubercle signals collecting swing arm 78 is just corresponding to major tubercle signal response device 42, thereby by circuit board 4 to the computer controller feedback signal, send instruction by computer controller the knitting mechanism of computer plain flat knitter is quit work, by the online assignment personnel major tubercle on the yarn 9 is namely tied greatly and processed.After the processing, under the restoring force effect of the first back-moving spring 79, make major tubercle catch holder 74 return to original state together with major tubercle catch 743.
Aforesaid major tubercle catch 743 and first is realized regulating by following description by the gap between the line plate 1211, knob 71 is adjusted as example over against (facing) first in position take the operator place, because major tubercle catch holder 74 consists of a shift fork slot 745 is arranged, that is to say that shift fork 7212 matches with shift fork slot 745, therefore when the operator adjusts knob 71 to counter clockwise direction turn first, drive the first screw shaft 72 to counterclockwise rotation, driven the first nut sleeve 721 by the rotation of the first screw shaft 72 towards the direction displacement (movement) of the first adjustment knob 71, first adjusts spring 73 compressions, in 721 displacements of the first nut sleeve, shift fork 7212 by the first nut sleeve 721 drives 74 simultaneous displacements of major tubercle catch holder, make major tubercle catch 743 and first by the gap smaller between the line plate 1211, otherwise with example, lean on the purpose of passing through between the line plate 1211 thereby reach the major tubercle that stops on the yarn 9 from major tubercle catch 743 and first.
Owing on yarn 9, unavoidably there is the situation of the lesser tubercle (being brief summary) that can from major tubercle catch 743 and the first gap of leaning between the line plate 1211, pass through; and lesser tubercle can not be given the mass formation appreciable impact of fabric usually; therefore need under stopped status, do not disposed by the operator; and the speed of the knitting mechanism of computer plain flat knitter is slowed down, this present invention is recommended to have yarn lesser tubercle signals collecting mechanism 8.
Preferably but not the yarn lesser tubercle signals collecting mechanism 8 that definitely is limited to comprises that second adjusts knob 81, the second screw shaft 82, second adjusts spring 83, lesser tubercle catch holder 84, lesser tubercle signals collecting swing arm 85 and the second back-moving spring 86, second adjusts knob 81 is positioned at aforementioned box body 1 back to a side in box chamber 11, the second screw shaft 82 is stretched over outside the box chamber 11 towards the wall body that second end of adjusting knob 81 passes box body 1, and fixing with second the second screw shaft fixing hole 811 of adjusting on the knob 81, the other end at the second screw shaft 82 is equipped with one second nut sleeve 821 with thread fiting mode, this second nut sleeve 821 consists of towards second side of adjusting spring 83 one second spring cavity 8211, and consisting of at the wall body of the circumferencial direction of the second nut sleeve 821 has a shifting block 8212, shifting block 8212 consists of a shifting block chamber 82121, second adjusts spring 83 is nested with on the second screw shaft 82, and this second end bearing of adjusting spring 83 at aforementioned box body 1 on the wall body of box chamber 11 1 sides, and the other end probes in aforementioned the second spring cavity 8211, and is bearing on the chamber diapire of the second spring cavity 8211.Lesser tubercle catch holder 84 is arranged on the lesser tubercle catch holder pivotal axis 841 rotationally in the position corresponding to shifting block chamber 82121, and this lesser tubercle catch holder pivotal axis 841 directly is formed in box body 1 towards a side in box chamber 11, and corresponding with shifting block chamber 82121, on lesser tubercle catch holder 84 and in the position corresponding to lesser tubercle signals collecting swing arm 85, consist of one second haptic element 842 is arranged, and be fixed with the upper end of a lesser tubercle catch 843 with cantilever position in the lower end of lesser tubercle catch holder 84, the lower end of lesser tubercle catch 843 is corresponding to the second catch groove 1112 of stepping down, and stretch by the direction of line plate 1221 towards second, lesser tubercle catch 843 constitutes yarn that confession yarn 9 passes through by way of passage with second by the gap between the line plate 1221.The middle part of lesser tubercle signals collecting swing arm 85 is arranged on the second arm shaft 851 rotationally, this second arm shaft 851 directly is formed in box body 1 towards a side in box chamber 11, one end of lesser tubercle signals collecting swing arm 85 is that the lower end of shown position state is corresponding with aforesaid the second haptic element 842, and the other end to be the upper end of shown position state be connected with an end of the second back-moving spring 86 by spring joint pin 853, an end that is to say the second back-moving spring 86 is fixed on the spring joint pin 853, and the other end is fixed on the second back-moving spring axle 861, and this second back-moving spring axle 861 directly is formed in box body 1 towards a side in box chamber 11.Be provided with a lesser tubercle signal picker 852 at the middle part of lesser tubercle signals collecting swing arm 85 and towards a side of aforementioned circuit plate 4, this lesser tubercle signal picker 852 uses magnet in the present embodiment, and matches with lesser tubercle signal response device 43 on the circuit board 4.Aforesaid lesser tubercle catch holder 84 is same to be consisted of a shifting block slot that is equivalent to aforementioned shift fork slot 745, that is to say that shifting block 842 matches with the shifting block slot, thereby is moved by shifting block 842 drive lesser tubercle catch holders 84.
When the yarn 9 that goes out yarn major tubercle signals collecting mechanism 7 when row leans on gap between the line plate 1221 to pass through from lesser tubercle catch 843 and second, if there is on the yarn 9 during situation nodulous, because the width in this gap is slightly little than lesser tubercle, therefore the lesser tubercle on the yarn 9 swings left at drive lesser tubercle catch 843 by way of herein the time, driving lesser tubercle catch holder 84 by lesser tubercle catch 843 pivots (clockwise), by the first haptic element 842 on the lesser tubercle catch holder 84 with the lower end of lesser tubercle signals collecting swing arm 85 namely an end corresponding with the second haptic element 842 swing left, and the upper end of lesser tubercle signals collecting swing arm 85 namely swings to the right with the end that the second back-moving spring 86 is connected, at this moment, the second back-moving spring 86 elongations.Under this state, lesser tubercle signal picker 852 is just corresponding to lesser tubercle signal response device 43, thereby by circuit board 4 to the computer controller feedback signal, send instruction by computer controller the operating rate of the knitting mechanism of computer plain flat knitter is slowed down, pass through lesser tubercle catch 843 in order to lesser tubercle.When lesser tubercle leans on gap between the line plate 1221 by lesser tubercle catch 843 and second after, under the restoring force effect of the second back-moving spring 86, make lesser tubercle catch holder 84 return to original state together with lesser tubercle catch 843.
Owing to lesser tubercle catch 843 with the second mode by the adjusting of the gap length between the line plate 1221 be and major tubercle catch 743 and first leans on the regulative mode in the gap between the line plate 1211 identical, so the applicant repeats no more.
The path of the yarn 9 of illustrating among the figure is: between first, second yarn clipping dish 62,63 of yarn pretension adjusting mechanism 6, enter, successively by way of the yarn path 661 of twizzle 66, major tubercle catch 743 and first leans on the head of the knitting mechanism of the guide porcelain circle hole 321 of gap between the line plate 1221, the first yarn-guiding loop 141, guide porcelain circle 32 and the second yarn-guiding loop 142 rear introducing computer plain flat knitters by the gap between the line plate 1211, lesser tubercle catch 843 and second.
In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art effectively, has successfully finished the invention task, has objectively embodied the technique effect described in the superincumbent technique effect of the applicant hurdle
Claims (4)
1.
A kind of device for adjusting tension of yarn of computer plain flat knitter, comprise the box body (1) with box chamber (11), upper and be extended with one corresponding to the below of the box chamber diapire (111) of box chamber (11) and cross line plate (12) at this box body (1); With box body (1) lid being used for of joining a lid (2) that protects is covered in described box chamber (11); Be positioned at the outer lever jack (3) of box body (1), the right-hand member of this lever jack (3) is fixed on the guide pole socket (31), and left end constitutes free end; One circuit board (4), this circuit board (4) is arranged in the described box chamber (11), and with the electrical connection of the computer controller of computer plain flat knitter; Be arranged in the box chamber (11) and be positioned at a broken yarn alarm mechanism (5) of box chamber (11) right-hand member, this broken yarn alarm mechanism (5) is connected with described guide pole socket (31), and matches with described circuit board (4); One yarn pretension adjusting mechanism (6), this yarn pretension adjusting mechanism (6) are arranged on the described line plate (12) of crossing towards a side of described lid (2), and are positioned at the right-hand member of line plate (12); It is characterized in that: described broken yarn alarm mechanism (5) comprises broken yarn signal lever active force regulator (51) and broken yarn signal lever (52), broken yarn signal lever active force regulator (51) is arranged on described box body (1) rotationally on the box wall of a side of described lid (2), and be connected with broken yarn signal lever (52), and broken yarn signal lever (52) is fixedly connected with described guide pole socket (31), and matches with described circuit board (4).
2.
The device for adjusting tension of yarn of computer plain flat knitter according to claim 1, it is characterized in that on described circuit board (4) and in the position corresponding to described broken yarn signal lever (52), being provided with a broken yarn signal response device (41), described broken yarn signal function force adjusting device (51) comprises the adjusting knob (511) outside the box chamber (11) that is positioned at described box body (1) and is positioned at the adjusting fluted disc (512) in box chamber (11), regulate fluted disc axle (513), spring (514) and extension spring (515), regulating fluted disc axle (513) is stretched over outside the box chamber (11) fixing with adjusting knob (511) towards an end of adjusting knob (511), regulating fluted disc (512) directly is formed on the adjusting fluted disc axle (513), one end of spring (514) is fixed on to be regulated on the fluted disc (512), the other end is fixed on the described broken yarn signal lever (52), one end of extension spring (515) is fixed on to be regulated on the fluted disc axle (513), the other end is fixed on the extension spring fixed leg (5151), and extension spring fixed leg (5151) is formed in box body (1) on the wall body of box chamber (11) one sides; Upward and in the position formation corresponding to described guide pole socket (31) one guide pole socket connecting axle (521) is arranged at described broken yarn signal lever (52), this guide pole socket connecting axle (521) is bearing on the pivot axle bed (5211) rotationally, and pivot axle bed (5211) is formed in box body (1) on the wall body of box chamber (11) one sides, be provided with a broken yarn signal picker (522) at broken yarn signal lever (52) towards a side of described circuit board (4) and in the position corresponding to described broken yarn signal response device (41), described guide pole socket (31) is fixedly connected with described guide pole socket connecting axle (521).
3.
The device for adjusting tension of yarn of computer plain flat knitter according to claim 2, it is characterized in that upward and in the position formation corresponding to described adjusting fluted disc (512) one spring position-arresting disk (5131) being arranged at described adjusting fluted disc axle (513), this spring position-arresting disk (5131) and the spacing of regulating between the fluted disc (512) constitute spring container cavity (5132), fluted disc (512) is upper and be extended with a spring fixed seat (5121) towards a side of described spring restriction dish (5131) regulating, a described end of described spring (514) is contained in the spring container cavity (5132), and fixing with spring fixed seat (5121), be extended with a spring fixed axis (523) at described broken yarn signal lever (52), the described other end of described spring (514) is fixed on this spring fixed axis (523).
4.
The device for adjusting tension of yarn of computer plain flat knitter according to claim 2, it is characterized in that dish edge at described adjusting fluted disc (512) is extended with one and regulates fluted disc and stop bead (5122), regulate the stop block (13) that fluted disc (512) is rotated further and be extended with for stoping towards a side of box chamber (11) and in the position corresponding to the dish edge of regulating fluted disc (51) at described box body (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104031230A CN102888705A (en) | 2012-10-22 | 2012-10-22 | Yarn tension adjusting device of computer flat knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104031230A CN102888705A (en) | 2012-10-22 | 2012-10-22 | Yarn tension adjusting device of computer flat knitting machine |
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| CN102888705A true CN102888705A (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104031230A Pending CN102888705A (en) | 2012-10-22 | 2012-10-22 | Yarn tension adjusting device of computer flat knitting machine |
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| CN103469471A (en) * | 2013-09-10 | 2013-12-25 | 江苏金龙科技股份有限公司 | Yarn broken signal trigger mechanism for yarn tension adjusting device |
| CN106702589A (en) * | 2015-07-30 | 2017-05-24 | 绍兴市柯桥区柯桥中学 | Novel tension adjustment and warning device for flat knitting machine |
| IT201700053150A1 (en) * | 2017-05-17 | 2018-11-17 | Lgl Electronics Spa | YARN BREAKING SENSOR FOR TEXTILE EQUIPMENT |
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Application publication date: 20130123 |