CN103469460A - Yarn tension adjusting device of computer flat knitting machine - Google Patents

Abstract

The invention relates to a yarn tension adjusting device of a computer flat knitting machine and belongs to the computer flat knitting machines. The yarn tension adjusting device comprises a box body, a box cover, a yarn breaking signal collection rod, a circuit board, a yarn breaking signal generation mechanism, a yarn pretension adjusting device and a yarn large and small nodule signal collection mechanism, wherein one end of the box body forms an indication lamp shade cavity, and a yarn pretension adjusting mechanism installation seat extends below the other end of the box body; the box cover is matched with the box body; one end of the yarn breaking signal collection rod serves as a free end, and the other end of the yarn breaking signal collection rod is connected to the other end of the box body; the circuit board is arranged in a box body cavity; the yarn breaking signal generation mechanism is connected with the other end of the yarn breaking signal collection rod; the yarn pretension adjusting device is arranged on the yarn pretension adjusting device installation seat. The yarn tension adjusting device is characterized by further comprising a yarn threading avoiding mechanism which is fixed below the box body. One end of the box body extends to form a yarn embedding hook seat, a yarn embedding hook is embedded in the yarn embedding hook seat, and one end of the yarn breaking signal collection rod forms a yarn breaking signal collection rod yarn hook. By means of the yarn tension adjusting device of the computer flat knitting machine, work efficiency is improved, missing or faulty yarn threading is avoided, machine stopping time is shortened, knitting efficiency is ensured, and work intensity is reduced.

Description

The device for adjusting tension of yarn of computer plain flat knitter

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 be woven by yarn feeder or the direct knitting mechanism that is caused computer plain flat knitter by the yarn of drawing on the yarn dish under the state of controlling tension force.

Background technology

Aforesaid device for adjusting tension of yarn also claims feed carrier, and owing to usually it being arranged on to the upper lateral part of an end of computer plain flat knitter, thereby industry also is referred to as side sky wire tension adjustment arrangement visually, even directly is called " side antenna platform ".Known, because the tension force of yarn is not constant, because both be subject to self material to form the impact of the fibrous raw material of yarn, climate is as the impact of environment temperature, humidity again, therefore in knitting mechanism braiding process usually need to according to a certain a few or all the tension force of yarns adjusted in time, use the yarn feeding effect ensured knitting mechanism.

As shown in the above description, although device for adjusting tension of yarn differs in appellation nominally, yet be tending towards duplicating with regard to its function, and be no lack of and be seen in published Chinese patent literature, " the broken yarn alarm mechanism of the yarn pretension regulator of computer plain flat knitter " slightly provided with " yarn break alarming device of the yarn pretension adjusting mechanism of computer plain flat knitter " recommended as Granted publication CN202011960U that exemplify and CN202011961U, etc.

" feed carrier with computer plain flat knitter of yarn tubercle warning function " that " feed carrier of computer plain flat knitter " that " device for adjusting tension of yarn of computer plain flat knitter " that the typical case introduces as application for a patent for invention publication number CN102888705A, CN102888706A disclose and CN102888707A disclose.These three patent applications have all overcome the shortcoming of aforementioned CN202011960U and CN202011961U, specifically can be referring to the specification the 0003rd of these three patent applications and 0004 section.

But above-mentioned three patent applications exist yarn to connect the common shortcoming of trouble, for example, when will be by by yarn feeder or the yarn of directly drawing on the yarn dish while causing the head of knitting mechanism, yarn need be worn successively and the yarn clipping dish twizzle of (passing) yarn pretension adjusting mechanism, major tubercle catch and first is by between the line plate, lesser tubercle catch and second is by between the line plate, the first yarn-guiding loop on the yarn guide hook, guide porcelain circle hole on lever jack and the second yarn-guiding loop on the yarn guide hook, yarn enters knitting mechanism after going out the second yarn-guiding loop, because the link of entrying is many and these links are indispensable, thereby produce following technical problem: the one, the large and inefficiency of entrying of workman's operation intensity, the 2nd, because the time that cost is entried is tediously long, thereby cause extend the downtime of computer plain flat knitter, affect braid efficiency, the 3rd, due to major tubercle catch and first, by the gap between the line plate, less and lesser tubercle catch and second leans on less and these parts in gap between the line plate to be positioned at the awkward position that inconvenience is entried, thereby exist mistake to wear and/or leak the anxiety of wearing, affect the Function of the large and small tubercle signal picker of yarn.After broken yarn occurring, need to entry through these links equally.

In view of above-mentioned prior art situation, the applicant has done deeply and careful exploration repeatedly and trial, finally find a way to resolve the problem, formed technical scheme described below, and under the secrecy provision, on the computer plain flat knitter of the applicant plant area, test having taked, it is practicable that result proves.

Summary of the invention

Task of the present invention be to provide a kind of contribute to abandon entry and use the manipulation strength that alleviates the workman and improve operating efficiency and significantly shorten computer plain flat knitter downtime, be conducive to stop to misdraw or leaks the device for adjusting tension of yarn of computer plain flat knitter of wearing situation and using the Function of guarantee yarn major tubercle signals collecting mechanism and yarn lesser tubercle signals collecting mechanism.

Task of the present invention completes like this, a kind of device for adjusting tension of yarn of computer plain flat knitter, comprise and form the box body that the box body chamber is arranged, an end of this box body forms an indicator-lamp cover chamber, and is extended with a yarn pretension adjusting mechanism mount pad below the other end of this box body, one for covering to described box body chamber the lid protected, and this lid matches with box body, one broken yarn signals collecting bar, an end of this broken yarn signals collecting bar stretches as free end and towards the described end of box body, and the other end pivotable of this broken yarn signal lever is connected to the described other end of box body, one circuit board, this circuit board is arranged in described box body chamber, and is electrically connected by the computer controller of circuit and computer plain flat knitter, one broken yarn signal generation mechanism, this broken yarn signal generation mechanism, in the position of the described other end corresponding to described box body is arranged on described box body chamber, is connected with the described other end of described broken yarn signals collecting bar, and corresponding with described circuit board, one yarn pretension adjusting mechanism, this yarn pretension adjusting mechanism is arranged on described yarn pretension adjusting mechanism mount pad, be arranged on a box body chamber middle part and yarn major tubercle signals collecting mechanism and a yarn lesser tubercle signals collecting mechanism corresponding with described circuit board of described box body, wherein: yarn major tubercle signals collecting mechanism is between yarn lesser tubercle signals collecting mechanism and described broken yarn signal generation mechanism, be characterised in that also including one exempts from the mechanism of entrying, this exempt to entry mechanism and described box body are fixed towards the below of a side of described lid, and with described yarn major tubercle signals collecting mechanism and yarn lesser tubercle signals collecting mechanism, match simultaneously, the end of the described end of described box body and be positioned at this end below be extended with an embedding yarn hook seat, be embedded with an embedding yarn hook on this embedding yarn hook seat, form in a described end end of described broken yarn signals collecting bar and have that a shape is identical with embedding yarn hook seat and position is corresponding but the broken yarn signals collecting bar yarn hook of the opposite direction of direction and embedding yarn hook seat, this broken yarn signals collecting bar yarn hook is also corresponding with the described mechanism that exempts to entry.

In a specific embodiment of the present invention, offer step down groove and offer the lesser tubercle signals collecting catch groove of stepping down in the position corresponding to described yarn lesser tubercle signals collecting mechanism of a major tubercle signals collecting catch on the lower edge of described box body and in the position corresponding to described yarn major tubercle signals collecting mechanism, on described lid and in the position of the groove of stepping down corresponding to described major tubercle signals collecting catch, offer one with major tubercle signals collecting catch step down major tubercle signals collecting catch slot to make way that groove matches and in the position of the groove of stepping down corresponding to described lesser tubercle signals collecting catch, offer one with the lesser tubercle signals collecting catch lesser tubercle signals collecting catch slot to make way that groove matches of stepping down, the described mechanism that exempts to entry is simultaneously corresponding with major tubercle signals collecting catch groove and the lesser tubercle signals collecting catch groove of stepping down of stepping down, greatly, the lesser tubercle signals collecting catch groove of stepping down, major tubercle signals collecting catch slot to make way and lesser tubercle signals collecting catch slot to make way all communicate with described box body chamber, be provided with broken yarn signal response device on described circuit board, yarn major tubercle signal response device and yarn lesser tubercle signal response device, corresponding with described broken yarn signal generation mechanism and broken yarn signal response device that the described other end of described broken yarn signals collecting bar connects, yarn major tubercle signals collecting mechanism is corresponding with yarn major tubercle signal response device, yarn lesser tubercle signals collecting mechanism is corresponding with yarn lesser tubercle signal response device, form a lever jack axle holder is arranged on described yarn pretension adjusting mechanism mount pad and towards a side of described yarn pretension adjusting mechanism, yarn pretension adjusting mechanism is arranged on this lever jack axle holder, the direction of described embedding yarn hook is towards upper, and the direction of described broken yarn signals collecting bar yarn hook towards under.

In another specific embodiment of the present invention, described yarn pretension adjusting mechanism comprises the lever jack axle, in, outer yarn clipping dish, yarn clipping dish twizzle, the pretension regulating spring, pretension regulating spring seat and pretension adjusting knob, one end of lever jack axle and described lever jack axle holder are fixed, the other end is configured to the horizontal boom end and also forms on surface the lever jack male thread, in, outer yarn clipping dish is fitted to each other and is nested with on the lever jack axle, yarn clipping dish twizzle is nested with on the lever jack axle and is positioned at, between outer yarn clipping dish, pretension regulating spring and pretension regulating spring cover for seat are put on the lever jack axle, wherein, one end bearing of pretension regulating spring is outside on the yarn clipping dish, and the other end is bearing on pretension regulating spring seat, the pretension adjusting knob be positioned at the lever jack axle the described other end and with lever jack male thread threaded engagement, wherein: at pretension regulating spring seat, towards a side surface formation of pretension adjusting knob, spring base damping tooth is arranged, and the pretension adjusting knob has knob damping tooth towards a side surface formation of pretension regulating spring seat, knob damping tooth matches with spring base damping tooth, the top formation of described yarn clipping dish twizzle is useful on for yarn and imports to the yarn clipping dish twizzle guide inclined-plane in yarn clipping dish twizzle chamber, described yarn clipping dish twizzle chamber is corresponding with described embedding yarn hook.

In another specific embodiment of the present invention, described yarn major tubercle signals collecting mechanism comprises the adjustment knob, adjust screw shaft, adjust spring, major tubercle catch holder, the holder support column, fulcrum post, the supporting key seat, the swing arm of major tubercle signals collecting and reset tension spring, adjust knob and be positioned at the side of described box body back to described box body chamber, adjusting screw shaft is connected with described adjustment knob towards an end of adjusting knob, and the other end of adjusting screw shaft is equipped with a nut regulating sleeve with thread fiting mode, this nut regulating sleeve forms an adjustment spring-loaded chamber is arranged towards a side of adjusting spring, and form a pair of nut sleeve shift fork is arranged on the outer wall of nut regulating sleeve, zone between this pair of nut sleeve shift fork is configured to the holder axle chamber of stepping down, adjusting spring is nested with on the adjustment screw shaft, one end bearing of this adjustment spring is the side towards the box body chamber at box body, and the other end probes in described adjustment spring-loaded chamber and is bearing on the nut regulating sleeve, major tubercle catch holder is nested with on major tubercle catch holder pivotal axis rotationally in the position in the chamber of stepping down corresponding to described holder axle, and this major tubercle catch holder pivotal axis directly is formed in box body on the wall body of a side in box body chamber, and probing into described holder axle steps down in chamber, form a shake-up pin is arranged on this major tubercle catch holder pivotal axis and in the position corresponding to the swing arm of major tubercle signals collecting, and be fixed with the upper end of a major tubercle catch with vertical cantilever position in the bottom of major tubercle catch holder, and the lower end of this major tubercle catch is stretched over outside described box body chamber in the position of stepping down between groove and described major tubercle catch slot to make way corresponding to described major tubercle signals collecting catch, and corresponding with the described mechanism that exempts to entry, the yarn that comes from described yarn pretension adjusting mechanism is by way of described major tubercle catch and exempt to entry between mechanism and on yarn and stopped by the major tubercle catch while having major tubercle, major tubercle catch holder is towards the narrow contracting of an end of holder support column and form a supporting head is arranged, the supporting key seat directly is formed in box body on a sidewall bodies in box body chamber with the horizontal boom state, and towards the length direction formation of a side of fulcrum post, one fulcrum post mating groove is arranged at this supporting key seat, the holder support column has a tube chamber, be provided with a support spring in this tube chamber, fulcrum post is in an end of holder support column inserts the described tube chamber of holder support column and contact with support spring, and fulcrum post towards the supporting key seat an end bearing in the fulcrum post mating groove, be concaved with a supporting head at the holder support column and coordinate nest on the end face of an end of major tubercle catch holder, described supporting head probes into supporting head and coordinates in nest, the middle part of major tubercle signals collecting swing arm is arranged on the swing arm pivotal axis rotationally, this swing arm pivotal axis directly is formed in box body on the wall body of a side in box body chamber, one end of major tubercle signals collecting swing arm is corresponding with described shake-up pin, and the other end is connected with an end of reset tension spring, the other end of reset tension spring is fixed on the reset tension spring axle, and the reset tension spring axle directly is formed in box body on the wall body of a side in box body chamber, be extended with a major tubercle signal picker seat at the middle part of major tubercle signals collecting swing arm and towards the direction of described yarn lesser tubercle signals collecting mechanism, be equipped with a major tubercle signal picker on this major tubercle signal picker seat and towards a side of described circuit board, this major tubercle signal picker is corresponding with described yarn major tubercle signal response device, described major tubercle catch is corresponding with described embedding yarn hook, be positioned at described large on described box body, lesser tubercle signals collecting catch slot to make way and the major tubercle signals collecting catch slot to make way and the lesser tubercle signals collecting catch slot to make way that are positioned on described lid are rectangular channel.

In another specific embodiment of the present invention, described yarn lesser tubercle signal picker comprises adjusting knob, the adjusting screw(rod) axle, regulating spring, lesser tubercle catch holder, the swing arm of lesser tubercle signals collecting and back-moving spring, adjusting knob is positioned at the side of described box body back to described box body chamber, the adjusting screw(rod) axle is connected with adjusting knob towards an end of adjusting knob, the other end at the adjusting screw(rod) axle is equipped with a nut sleeve with thread fiting mode, this nut sleeve has the regulating spring supporting cavity towards a side formation of regulating spring, and form a pair of pusher dog is arranged on the outer wall of nut sleeve, space between a pair of pusher dog is configured to the fixed axis cavity of stepping down, regulating spring is nested with on the adjusting screw(rod) axle, and an end bearing of this regulating spring at described box body on the wall body of box body chamber one side, and the other end probes into the regulating spring supporting cavity and be bearing on nut sleeve, lesser tubercle catch holder is nested with on lesser tubercle catch holder pivotal axis rotationally in the position of the cavity of stepping down corresponding to described fixed axis, and this lesser tubercle catch holder pivotal axis directly is formed in box body on the wall body of a side in box body chamber and is stretched over the fixed axis cavity of stepping down, form a haptic element is arranged on this lesser tubercle catch holder and in the position corresponding to the swing arm of lesser tubercle signals collecting, and be fixed with the upper end of a lesser tubercle catch with cantilever position in the bottom of lesser tubercle catch holder, and the lower end of lesser tubercle catch is stretched over outside described box body chamber in the position of stepping down between groove and described lesser tubercle catch slot to make way corresponding to described lesser tubercle signals collecting catch, and with described exempt to entry mechanism and described embedding yarn hook corresponding, the yarn that comes from described yarn pretension adjusting mechanism is by way of described major tubercle catch and after exempting to entry between mechanism from the lesser tubercle catch and exempt to entry between mechanism by and responded by the lesser tubercle catch when there is lesser tubercle in yarn, exempt to entry between mechanism by and responded by the lesser tubercle catch while on yarn, having lesser tubercle, the middle part of lesser tubercle signals collecting swing arm is arranged on swing arm hub setting axle rotationally, this swing arm hub setting axle directly is formed in box body on the wall body of box body chamber one side, one end of lesser tubercle signals collecting swing arm is corresponding with described haptic element, and the other end is connected with an end of back-moving spring, the other end of back-moving spring is fixed on the back-moving spring axle, this back-moving spring axle directly is formed in box body on the wall body of box body chamber one side, be extended with a lesser tubercle signal picker seat at the middle part of lesser tubercle signals collecting swing arm, be embedded with a lesser tubercle signal picker on this lesser tubercle signal picker seat and towards a side of described circuit board, this lesser tubercle signal picker is corresponding with described yarn lesser tubercle signal response device, described lesser tubercle catch with to state embedding yarn hook corresponding, and corresponding with described major tubercle catch.

Also has a specific embodiment of the present invention, the described mechanism that exempts to entry comprises and exempts from threading board, lean on the yarn plate and draw the yarn spoon, exempt from threading board and described box body is fixed, this exempt from threading board length direction an end end and form and to draw yarn spoon seat towards a side of box body, drawing the yarn spoon is plugged on this and draws on yarn spoon seat and corresponding with described embedding yarn hook, be fixed on and exempt from threading board towards a side of box body and be positioned at the middle part of the length direction of exempting from threading board by the yarn plate, should and form a lesser tubercle catch fitting projection was arranged in the position corresponding to described lesser tubercle catch by an end of yarn plate, and lean on the other end of yarn plate and form in the position corresponding to described major tubercle catch, a major tubercle catch fitting projection is arranged, form the yarn pretension adjusting mechanism chamber of stepping down is arranged at the other end of the length direction of exempting from threading board, exempting from threading board towards a side of box body and forming and to have one for yarn is imported to simultaneously, between major tubercle catch fitting projection and major tubercle catch and between lesser tubercle catch fitting projection and lesser tubercle catch, to lean on yarn plate guide inclined-plane by the position above the yarn plate corresponding to described, and on the step down Bi top, chamber in chamber and form towards a side of box body and be useful on the yarn pretension adjusting mechanism guide inclined-plane that yarn is imported to described yarn pretension adjusting mechanism of yarn pretension adjusting mechanism, the described incline direction by yarn plate guide inclined-plane and yarn pretension adjusting mechanism guide inclined-plane all towards under, wherein: maintain the major tubercle catch gap that the major tubercle for stoping on yarn passes through between described major tubercle catch and major tubercle catch fitting projection, and between described lesser tubercle catch and lesser tubercle catch fitting projection, maintain so that the lesser tubercle catch gap that the lesser tubercle on yarn is scraped, major tubercle catch gap is greater than lesser tubercle catch gap.

More of the present invention and in specific embodiment, described draw on the yarn spoon form have one for yarn is imported to draw the yarn spoon draw in yarn spoon chamber and simultaneously entry deterrence escape in the yarn spoon guide envelope of drawing of drawing yarn spoon chamber and stop sheet to drawing yarn in yarn spoon chamber; Form on described embedding yarn hook and have one for entry deterrence in the embedding yarn hook chamber that yarn is imported to embedding yarn hook and simultaneously, to the yarn in embedding yarn hook chamber, to escape and stop sheet in the embedding yarn hook guide envelope in embedding yarn hook chamber.

In of the present invention and then specific embodiment, exempt from threading board towards a side of described box body and forming and having one by yarn plate earthing pin holder corresponding to the described position by the yarn plate described, form the grounding leg fixed leg is arranged in this chamber of seat by yarn plate earthing pin holder, by being extended with one on the line plate by line plate earthing pin, should fix by line plate earthing pin and grounding leg fixed leg.

Of the present invention again more and in specific embodiment, exempt from threading board and having a pair of by yarn plate support column corresponding to the described position by yarn plate formation described, this a pair of one of them by yarn plate support column is by yarn plate support column and the side contacts of described lesser tubercle catch fitting projection back to described lesser tubercle catch, and a pair of another by yarn plate support column leans on yarn plate support column and the described major tubercle catch fitting projection side contacts back to described major tubercle catch.

Technical scheme provided by the invention is owing to being provided with a mechanism and end of box body is formed and an embedding yarn hook arranged and as a free-ended end, the forming broken yarn signals collecting bar yarn hook corresponding with embedding yarn hook but opposite direction is arranged of the yarn signals collecting bar that will continue of exempting to entry, thereby only the length direction of yarn need be aimed under exceptionally straight state to the mechanism that exempts to entry and be strangled downwards to draw and just can make yarn disposable to enter yarn large simultaneously, lesser tubercle signals collecting mechanism and exempt to entry between mechanism, in yarn pretension adjusting mechanism and in broken yarn signals collecting bar yarn hook, not only can significantly improve operating efficiency, avoid yarn to leak wearing and/or misdraw situation, shorten the downtime of computer plain flat knitter, and owing to without resembling prior art, in the mode of trying to make a match, entrying and can alleviate workman's operation intensity, owing to by yarn major tubercle signals collecting mechanism, running into yarn major tubercle signal feedback to circuit board, by circuit board feedback to the computer controller, the knitting mechanism of computer plain flat knitter is quit work, owing to by yarn lesser tubercle signals collecting mechanism, running into yarn lesser tubercle signal feedback to circuit board, the speed of knitting mechanism is slowed down, so that yarn enters knitting mechanism smoothly, avoid unnecessary shutdown and guarantee braid efficiency and further alleviate workman's operation intensity.

The accompanying drawing explanation

Fig. 1 is the embodiments of the invention structure chart.

The box body that Fig. 2 is Fig. 1 is back to the schematic diagram of a side in box body chamber.

The adjustment knob that Fig. 3 is the yarn major tubercle signals collecting mechanism shown in Fig. 1 and the matching chart of adjusting screw shaft.

The schematic diagram that Fig. 4 is the embedding yarn hook shown in Fig. 1.

Fig. 5 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 the description to embodiment is not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.

The directionality of every upper and lower, left, center, right that likely relate to, front and rear or claim that the directionality concept is all for the current residing location status of figure in the following description, thereby can not be interpreted as according to this restriction to the present invention program.

Refer to Fig. 1, Fig. 2 and Fig. 5, preferred use plastics have been provided and the molded and shaped box body 1 via mould, this box body 1 has a box body chamber 11, an end (left end of state shown in Fig. 1) formation at box body 1 has an indicator-lamp cover chamber 12, be fixed with an indicator-lamp cover 121 in this 12 position, indicator-lamp cover chamber to insert the embedding mode, the color of indicator-lamp cover 121 is preferably redness or yellow, offers an alarm lamp caulking groove 16 on box body 1 and in the position corresponding to above indicator-lamp cover 121.Below at the other end (being the right-hand member shown in Fig. 1) of box body 1 is extended with a yarn pretension adjusting mechanism mount pad 13, on this yarn pretension adjusting mechanism mount pad 13 and towards a side of the following yarn pretension adjusting mechanism that also will describe in detail 6, forms a lever jack axle holder 131 is arranged.Again, on the lower edge in the box body chamber 11 of box body 1 and the position at middle part that is positioned at substantially the length direction of box body 1 offer the rectangular major tubercle signals collecting catch of the shape groove 15a that steps down, and offer a shape and the major tubercle catch identical lesser tubercle catch of the groove 15a groove 15b that steps down that steps down in the step down left side (take location status shown in Fig. 1 as example) of groove 15a of this major tubercle signals collecting catch.And, the end of the aforementioned end of box body 1 and be positioned at this end end below be extended with an embedding yarn hook seat 14, the shape of this embedding yarn hook seat 14 is the U font, and form on the chamber wall in the embedding yarn hook seat chamber of this embedding yarn hook seat 14 an embedding yarn hook mating flanges 142 that is raised in the chamber wall is arranged, in the embedding yarn hook seat chamber of embedding yarn hook seat 14, be embedded with an embedding yarn hook 141.

Refer to Fig. 4 and continue in conjunction with Fig. 1, Fig. 2 and Fig. 3, on aforesaid embedding yarn hook 141, form have one in the embedding yarn hook chamber 1411 that yarn 10 is imported to embedding yarn hook 141 in and play entry deterrence simultaneously and escape and seal and stop sheet 1412 in the embedding yarn hook guide in embedding yarn hook chamber 1411 to the yarn in embedding yarn hook chamber 1411.Shown in Fig. 1 and Fig. 4, embedding yarn hook guide is sealed the shape that the shape of stopping sheet 1412 is olecranon, yarn 10 can only from embedding yarn hook guide envelope, only the end of sheet 1412 and the envelope embedding yarn hook 141 be stopped sheet probe hole 1413(Fig. 4 and are shown) between passage in enter embedding yarn hook chamber 1411, and can not exit embedding yarn hook chamber 1411, this be because embedding yarn hook guide envelope only sheet 1412 be configured to towards envelope guide arc surface 14121(Fig. 4 that only direction of sheet probe hole 1413 tilts and indicate back to the surface of a side in embedding yarn hook chamber 1411).Because the shape of embedding yarn hook seat 14 is the U font, and form embedding yarn hook mating flanges 142 is arranged in embedding yarn hook seat chamber, thereby the shape of embedding yarn hook 141 is the U font equally, and form embedding yarn hook mating flanges groove 1414 is arranged on the outer wall of embedding yarn hook 141, this embedding yarn hook mating flanges groove 1414 matches with embedding yarn hook mating flanges 142, thereby embedding yarn hook 141 is located in the embedding yarn hook seat chamber of embedding yarn hook seat 14.

Form towards the direction of lid 2 a pair of wiring board socket 112 that has position to correspond to each other with level in the box body chamber 11 of box body 1 and corresponding to the right-hand member of the length direction of box body 1, in the side faced each other of this pair of wiring board socket 112, respectively offer a wiring board socket groove 1121.Lid 2 matches with box body 1, for box body chamber 11 is covered and is protected, offer one group of (figure is shown with four) lid fixing hole 22 with the interval state on lid 2, this group of lid fixing hole 22 use lid hold-down screw 221(are lid fixing hole hold-down screw) with directly be formed in the lid hold-down screw post 17a of box body 1 on the chamber wall of a side in box body chamber 11 and fix.Offer a shape and size and the major tubercle signals collecting catch consistent major tubercle signals collecting catch slot to make way 21a of groove 15a that steps down on lid 2 and in the position of the groove 15a that steps down corresponding to aforesaid major tubercle signals collecting catch, and offer a shape and big or small and the lesser tubercle signals collecting catch consistent lesser tubercle signals collecting catch slot to make way 21b of groove 15b that steps down in the position of the groove 15b that steps down corresponding to lesser tubercle signals collecting catch.Major tubercle signals collecting catch groove 15a and the major tubercle signals collecting catch 21a complete catch vallecular cavity of stepping down that cooperates with the other to form of stepping down, equally, lesser tubercle signals collecting catch groove 15b and the lesser tubercle signals collecting catch slot to make way 21b complete catch vallecular cavity of stepping down that cooperates with the other to form of stepping down, and the step down shape of groove 15a, 15b, major tubercle signals collecting catch slot to make way 21a and lesser tubercle signals collecting catch slot to make way 21b of large and small tubercle signals collecting catch is preferably consistent with size, the breach form more particularly all taken the shape of the letter U.

Provided a broken yarn signals collecting bar 3, one end of this broken yarn signals collecting bar 3 is the left end shown in Fig. 1, be also that the right-hand member of location status shown in Fig. 2 is configured to free end and towards the aforementioned end (left end of box body 1, Fig. 1 is example) stretch, and the other end of this broken yarn signal lever 3 (right-hand member of positive Fig. 1, the left end of Fig. 2) pivotable is connected on box body 1, and pivotable is connected to the right-hand member (right-hand member of Fig. 1) of box body 1.

Shown in figure, but form the broken yarn signals collecting bar yarn hook 31 of the identical opposite direction (putting upside down mutually) with embedding yarn hook seat 14 of the shape that a shape and aforesaid embedding yarn hook seat 14 are arranged in an end end of aforementioned broken yarn signals collecting bar 3, this broken yarn signals collecting bar yarn hook 31 is relative with following bright the exempting from of the detail specifications mechanism 9 of entrying that also wants.Aforementioned other end formation at broken yarn signals collecting bar 3 has a broken yarn signals collecting lever arm 32, be fixed with a tumbler shaft 321 at the end of this broken yarn signals collecting lever arm 32 and towards a side of box body 1, this tumbler shaft 321 is insinuated in box body chamber 11 and is connected with following broken yarn signal generation mechanism 5 pivotables that will describe.

According to the reason known to industry, computer plain flat knitter exists a certain or a few one threads in temporary transient inactive situation in the course of the work, for example, in the process of braiding color pattern fabric, when in not needing to make one group of yarn with different colours wherein one or the above coloured yarn of tool participate in braiding, so can be by corresponding broken yarn signals collecting bar 3 in holding state, that is to say and make broken yarn signals collecting bar 3 in positioning states, therefore in scheme provided by the invention, at the aforementioned end of box body 1 and back to having extended a broken yarn signal lever limit flange 17b(Fig. 2 on the outer wall of box body chamber 11 1 sides, show), and offer a flange hole 33 at an aforementioned end (being aforesaid free end) of broken yarn signals collecting bar 3, because this flange hole 33 is corresponding with broken yarn signal lever limit flange 17b, therefore protrude into flange hole 33 when interior as broken yarn signal lever limit flange 17b, broken yarn signals collecting bar 3 just limits so, vice versa.

Provided a circuit board 4, this circuit board 4 is arranged in box body chamber 11, when this lid 2 is fixing with aforesaid lid hold-down screw post 17a, circuit board 4 is limited on lid hold-down screw post 17a.Circuit board 4 is electrically connected with the computer controller of computer plain flat knitter, be provided with broken yarn signal response device 41, yarn major tubercle signal response device 42 and yarn lesser tubercle signal response device 43 on this circuit board 4, broken yarn signal response device 41, yarn major tubercle signal response device 42 and yarn lesser tubercle signal response device 43 are tongue tube, can be referring to the broken yarn alarm mechanism<this patent is proposed by the applicant>of the yarn pretension regulator of invention patent mandate notification number CN102191625B(computer plain flat knitter about the concept of tongue tube).Again, be provided with an alarm lamp 44 on circuit board 4, this alarm lamp 44, in the position corresponding to aforementioned indicator-lamp cover 121 is embedded at aforesaid alarm lamp caulking groove 16, is positioned in alarm lamp caulking groove 16.As shown in Figure 1, circuit board 4 is connected on terminal plate 451 by one group of circuit 45, and terminal plate 451 coordinates with wiring board socket groove 1121 plugs on aforesaid a pair of wiring board socket 112, by the computer controller electrical connection of the terminal plate plug terminal (not shown) of drawing on terminal plate 451 and aforementioned computer plain flat knitter.

The broken yarn signal generation mechanism 5 that the above has mentioned is arranged in box body chamber 11 in the position of the aforementioned other end corresponding to box body 1, and with the tumbler shaft 321 of the broken yarn signals collecting lever arm 32 of broken yarn signals collecting bar, connects and corresponding with aforesaid broken yarn signal response device 41.

Aforementioned broken yarn signal generation mechanism 5 preferably but not the structure definitely be limited to is as follows: comprise pivoted arm axle bed 51, broken yarn signal swing arm 52, torsion spring 53 and broken yarn signal picker 54, pivoted arm axle bed 51 directly is formed in the box body chamber 11 of aforementioned box body 1, and corresponding with aforesaid tumbler shaft 321, the middle part of broken yarn signal swing arm 52 offers the signal swing arm connecting hole 521 that a shape is preferably rectangle, the position of this signal swing arm connecting hole 521 is corresponding with aforesaid tumbler shaft 321, that is to say that tumbler shaft 321 is in passing this signal swing arm connecting hole 521 of the rear insertion of pivoted arm axle bed 51, and the end at tumbler shaft 321 limits screw 3211 restrictions with swing arm.Preferably, end formation at tumbler shaft 321 has the rectangular tumbler shaft connector 3212 of a shape of cross section, this tumbler shaft connector 3212 is connected with signal swing arm connecting hole 521, and the restriction screw hole 3212 that swing arm limits on screw 3211 and tumbler shaft connector 3212 distal end faces is fixing.Form a torsion spring support foot 522 is arranged at an end of broken yarn signal swing arm 52 and towards a side of pivoted arm axle bed 51.Torsion spring 53 is nested with on the step of pivoted arm axle bed 51, one of them torsion spring pin supporting in a pair of torsion spring pin of this torsion spring 53 is kept out shortly on torsion spring support foot 522, and another torsion spring pin in a pair of torsion spring pin is bearing on 11 chamber, the box body chamber wall of box body 1, as preferred scheme, on the supporting key seat 77 of the yarn major tubercle signals collecting mechanism 7 that also will describe in detail below also this another torsion spring pin can being bearing in.Broken yarn signal picker 54 is embedded in the other end of broken yarn signal swing arm 52, and corresponding with aforesaid broken yarn signal response device 41, and this broken yarn signal picker 54 is magnet steel.

For spacing to the swing arm 52 of aforementioned broken yarn signal, thereby be extended with a broken yarn signal swing arm limited post 111 in box body chamber 11 and in the position of the aforementioned other end corresponding to broken yarn signal swing arm 52, these broken yarn signal swing arm limited post 111 tops corresponding to broken yarn signal swing arm 52, to limit broken yarn signal swing arm 52 to the extreme position counterclockwise moved.

When the yarn 10 of illustrating in figure ruptures, the broken yarn signals collecting bar yarn hook 31 of before by yarn 10, having been carried the yarn signal signals collecting bar 3 poised falls, thereby an aforementioned end that makes broken yarn signals collecting bar 3 is that aforesaid free end has a down dip, and the tumbler shaft 321 of the broken yarn signals collecting lever arm 32 of the other end of broken yarn signals collecting bar 3 produces rotation (take state shown in Fig. 2 as example) clockwise, because the tumbler shaft connector 3212 of tumbler shaft 321 by its end is connected with the signal swing arm connecting hole 521 of broken yarn signal swing arm 52, therefore when rotating, tumbler shaft 321 just make the swing arm 52 of broken yarn signal rotate under the active force of torsion spring 53, the broken yarn signal picker 54 that makes to be embedded in broken yarn signal swing arm 52 is corresponding with broken yarn signal response device 41, thereby by broken yarn signal response device 41 perception broken yarn signals, and the computer controller by the broken yarn signal feedback to computer plain flat knitter, make the knitting mechanism break-off of computer plain flat knitter, after connecting the yarn of fracture 10, the workman enters again work.

When use is of the present invention, that is to say while being installed on computer plain flat knitter by the present invention, as long as will be formed in shown in box body fixing feet 17c(Fig. 2 of box body 1 right-hand member (state shown in Fig. 1) bottom) and will be formed in lid fixing feet 23 on lid 2 and that position is corresponding with box body fixing feet 17c and fix with the upper lateral part of an end of computer plain flat knitter.

Please emphasis referring to Fig. 1, for to being adjusted by yarn feeder or by the tension force of the yarn 10 of drawing on the yarn dish, the present invention recommends that a yarn pretension adjusting mechanism 6 is arranged, and this yarn pretension adjusting mechanism 6 is arranged on aforesaid yarn pretension adjusting mechanism mount pad 13.

Above mentioned yarn pretension adjusting mechanism 6 preferably but not the structure definitely be limited to is as follows: comprise lever jack axle 61, in, outer yarn clipping dish 62, 63, yarn clipping dish twizzle 64, pretension regulating spring 65, pretension regulating spring seat 66 and pretension adjusting knob 67, one end of lever jack axle 61 and aforesaid lever jack axle holder 131 are fixing, the other end is configured to the horizontal boom end and forms lever jack male thread 611 is arranged on the surface of this horizontal boom end, in, outer yarn clipping dish 62, 63 are fitted to each other and are nested with on lever jack axle 61, yarn clipping dish twizzle 64 is nested with equally on lever jack axle 61, and be positioned at, outer yarn clipping dish 62, between 63, pretension regulating spring 65 and pretension regulating spring seat 66 are nested with on lever jack axle 61.As shown in Figure 1, an end bearing of pretension regulating spring 65 is outside on yarn clipping dish 63, and the other end is bearing on pretension regulating spring seat 66.Pretension adjusting knob 67 be positioned at lever jack axle 61 the aforementioned other end end and with lever jack male thread 611 threaded engagement.Form spring base damping tooth 661 is arranged with radiation regimes towards a side surface of pretension adjusting knob 67 and around the circumferencial direction of pretension regulating spring seat 67 at pretension regulating spring seat 66, and pretension adjusting knob 67 forms with radial patterning equally towards a side surface of pretension regulating spring seat 66 and around the circumferencial direction of pretension adjusting knob 67 knob damping tooth 671 is arranged, knob damping tooth 671 is meshed with spring base damping tooth 661.As shown in Figure 1, the top of aforesaid yarn clipping dish twizzle 64 formation is useful on for yarn and imports to the yarn clipping dish twizzle guide inclined-plane 642 in yarn clipping dish twizzle chamber 641, and wherein, yarn clipping dish twizzle chamber 641 is corresponding with aforesaid embedding yarn hook 141.

The yarn major tubercle signals collecting mechanism 7 that the above has mentioned is positioned at the left side of aforesaid broken yarn signal generation mechanism 5, the left side of this yarn major tubercle signals collecting mechanism 7 is yarn lesser tubercle signals collecting mechanism 8, that is to say that yarn major tubercle signals collecting mechanism 7 is between yarn lesser tubercle signals collecting mechanism 8 and broken yarn signal generation mechanism 5.

Refer to Fig. 3, and continue in conjunction with Fig. 1, Fig. 2 and Fig. 5, yarn major tubercle signals collecting mechanism 7 is for gathering the major tubercle on yarn 10, comprise and adjust knob 71, adjust screw shaft 72, adjust spring 73, major tubercle catch holder 74, holder support column 75, fulcrum post 76, supporting key seat 77, the swing arm 78 of major tubercle signals collecting and reset tension spring 79, adjust knob 71 and be positioned at the side of box body 1 back to box body chamber 11, with aforementioned broken yarn signals collecting bar 3 in the same side, form a knob base 17d is arranged on box body 1 and in the position corresponding to adjusting knob 71, adjusting knob 71 coordinates with this knob base 17d pivotable, form a rotation axis block set 18 is arranged towards a side in box body chamber 11 and in the position corresponding to knob base 17d at box body 1, and towards the middle position formation of a side of box body 1, a knob axle sleeve 711 is arranged at adjustment knob 71, on the hole wall of the rotation axis trepanning 7111 of this knob axle sleeve 711 and respectively offer an adjustment screw shaft flange hole 71111 in the position of correspond to each other (facing each other), knob axle sleeve 711 is inserted in the sleeve block hole 181 of sleeve block 18.Adjust screw shaft 72 and form the screw shaft flange 722 that has a pair of position corresponding with adjusting screw shaft flange hole 71111 towards an end of adjusting knob 71, this a pair of screw shaft flange 722 protrudes in adjusting screw shaft flange hole 71111, thereby will adjust an end realization of screw shaft 72 and adjust being connected of rotation.Preferably, at the nearly middle part of the length direction of adjusting screw shaft 72, form have one be raised in the surface of adjusting screw shaft 72 for the nut sleeve position-arresting disk 723 spacing to nut regulating sleeve 721, nut regulating sleeve 72 is adjustment screw shaft screw thread 724 threaded engagement with the other end of adjusting screw shaft 72 by its regulating sleeve screw thread 7213, this nut regulating sleeve 721 forms an adjustment spring-loaded chamber 7211 is arranged towards a side of adjusting knob 71 towards a side of adjusting spring 73, and form a pair of nut sleeve shift fork 7212 is arranged on the outer wall of nut regulating sleeve 721, zone between this pair of nut sleeve shift fork 7212 or claim space to be configured to the fixed axis chamber 72121 of stepping down.Adjusting spring 73 is nested with on adjustment screw shaft 72, one end bearing of this adjustment spring 73 is the side towards box body chamber 11 at box body 1, and the other end probes in described adjustment spring-loaded chamber 7211 and is bearing in box body 1 on the chamber wall of a side in box body chamber 11, more precisely be bearing on aforesaid rotation axis block set 18 (the present embodiment is), the other end of adjusting spring 73 is insinuated into to be adjusted in spring-loaded chamber 7211 and is bearing on nut regulating sleeve 721, by inserting adjustment spring-loaded chamber 7211, is bearing on nut regulating sleeve 721.Major tubercle catch holder 74 is nested with on major tubercle catch holder pivotal axis 741 rotationally in the position in the chamber 72121 of stepping down corresponding to aforesaid holder axle, and this major tubercle catch holder pivotal axis 741 directly is formed in box body 1 on the chamber wall of a side in box body chamber 11 with the horizontal boom state, and the holder axle be stretched over is stepped down in chamber 72121, form a shake-up pin 742 is arranged on this major tubercle catch holder pivotal axis 741 and in the position corresponding to major tubercle signals collecting swing arm 78, also can claim yarn major tubercle catch and be fixed with a major tubercle catch 743(in the bottom of major tubercle catch holder 74 with vertical cantilever position) upper end, and the lower end of this major tubercle catch 743 is being stretched over outside box body chamber 11 by the step down position of the vallecular cavity that groove 15a and major tubercle catch slot to make way 21a form jointly of major tubercle signals collecting catch corresponding to aforesaid, and match or claim with the mechanism 9 that exempts to entry corresponding with the following mechanism 9 of entrying of exempting from that also will describe in detail, the yarn 10 that comes from aforementioned yarn pretension adjusting mechanism 6 is by way of major tubercle catch 743 and the major tubercle catch gap between mechanism 9 and being stopped by major tubercle catch 743 while on yarn 10, having major tubercle of exempting to entry, major tubercle catch holder 74 is towards the narrow contracting of an end of holder support column 75 and form a supporting head 744 is arranged.Supporting key seat 77 directly is formed in box body 1 on the wall body (being the chamber wall) of a side in box body chamber 11 with the horizontal boom state, and towards the length direction formation of a side of fulcrum post 76, a fulcrum post mating groove 771 is arranged at this supporting key seat 77, holder support column 75 has a tube chamber, be provided with a support spring 751 in this tube chamber, fulcrum post 76 is in an end of holder support column 75 inserts the tube chamber of holder support column 75 and contact with support spring 751, be bearing on support spring 751, and fulcrum post 76 towards the supporting key seat 77 an end bearing in fulcrum post mating groove 771.Be concaved with a supporting head at holder support column 75 and coordinate nest 752 on the end face of an end of major tubercle catch holder 74, aforesaid supporting head 744 probes into and is bearing in supporting head and coordinates in nest 752.The middle part of major tubercle signals collecting swing arm 78 is arranged on swing arm pivotal axis 781 rotationally, this swing arm pivotal axis 781 directly is formed in box body 1 on the wall body of a side in box body chamber 11, one end of major tubercle signals collecting swing arm 78 is corresponding with aforesaid shake-up pin 742, and the other end is connected with an end of reset tension spring 79, the other end of reset tension spring 79 is fixed on reset tension spring axle 791, and reset tension spring axle 791 directly is formed in box body 1 on the wall body (being the chamber wall) of a side in box body chamber 11, be extended with a major tubercle signal picker seat 782 at the middle part of major tubercle signals collecting swing arm 78 and towards the direction of yarn lesser tubercle signals collecting mechanism 8, be equipped with a major tubercle signal picker 7821 on this major tubercle signal picker seat 782 and towards a side of aforementioned circuit plate 4, this major tubercle signal picker 7821 is corresponding with aforesaid yarn major tubercle signal response device 42.In the present embodiment, major tubercle signal picker 7821 is magnet steel.Aforesaid major tubercle catch 743 is corresponding with embedding yarn hook 141.

The yarn lesser tubercle signal picker 8 that the above has mentioned preferably but not the structure be limited to is as follows: comprise adjusting knob 81, adjusting screw(rod) axle 82, regulating spring 83, lesser tubercle catch holder 84, the swing arm 85 of lesser tubercle signals collecting and back-moving spring 86, adjusting knob 81 is positioned at the side of box body 1 back to described box body chamber 11, with the position of aforesaid adjustment knob 71 on box body 1, in the same side, and the fit system of adjusting knob 81 and box body 1 is with to adjust knob 71 identical with the fit system of box body 1.Adjusting screw(rod) axle 82 is connected with adjusting knob 81 towards an end of adjusting knob 81, because the structure of adjusting screw(rod) axle 82 is identical with aforementioned adjustment screw shaft 72, thus its with the connected mode of adjusting knob 81 as to adjusting the description be connected of screw shaft 72 and adjustment knob 71.The other end at adjusting screw(rod) axle 82 is equipped with a nut sleeve 821 with thread fiting mode, and this nut sleeve 821 coordinates as nut regulating sleeve 721 and the description of adjusting screw shaft 72 with adjusting screw(rod) axle 82.Towards a side formation of regulating spring 83, regulating spring supporting cavity 8211 is arranged in nut sleeve 821, the structure of regulating spring supporting cavity 8211 and function are identical with aforesaid adjustment spring-loaded chamber 7211, form on the outer wall of nut sleeve 821 a pair of pusher dog 8212 that is equivalent to aforementioned nut cover shift fork 7212 is arranged, the space between a pair of pusher dog 8212 is configured to the fixed axis cavity 82121 of stepping down.Regulating spring 83 is nested with on adjusting screw(rod) axle 82, and an end bearing of this regulating spring 83 at box body 1 on the wall body of box body chamber 11 1 sides, and the other end probes into regulating spring supporting cavity 8211 and be bearing on nut sleeve 821.It should be noted that: because the support pattern of regulating spring 83 is identical with adjustment spring 73, so the applicant no longer launches explanation to it.Lesser tubercle catch holder 84 is nested with on lesser tubercle catch holder pivotal axis 841 rotationally in the position of the cavity 82121 of stepping down corresponding to fixed axis, and this lesser tubercle catch holder pivotal axis 841 directly is formed in box body 1 on the wall body of a side in box body chamber 11 and is stretched over fixed axis and steps down in cavity 82121, form a haptic element 842 is arranged on this lesser tubercle catch holder 84 and in the position corresponding to lesser tubercle signals collecting swing arm 85 again.And, bottom at lesser tubercle catch holder 84 is fixed with the upper end of a lesser tubercle catch 843 with vertical cantilever position, and the lower end of lesser tubercle catch 843 is in the position corresponding between stepped down by aforesaid lesser tubercle signals collecting catch groove 15b and lesser tubercle catch slot to make way 21b or claim the position of the vallecular cavity that jointly forms to be stretched over outside box body chamber 11 and corresponding with exempt to entry mechanism 9 and embedding yarn hook 141.The yarn 10 that comes from yarn pretension adjusting mechanism 6 passes through from lesser tubercle catch 843 and the lesser tubercle catch gap of exempting to entry between mechanism 9 by way of major tubercle catch 743 and behind the lesser tubercle catch gap of exempting to entry between mechanism 9, while in this process, on yarn 10, having lesser tubercle,, by 843 responses of lesser tubercle catch, by lesser tubercle, drive lesser tubercle catch 843.The middle part of lesser tubercle signals collecting swing arm 85 is arranged on swing arm hub setting axle 851 rotationally, this swing arm hub setting axle 851 directly is formed in box body 1 on the wall body of box body chamber 11 1 sides, one end of lesser tubercle signals collecting swing arm 85 is corresponding with aforesaid haptic element 842, and the other end is connected with an end of back-moving spring 86, the other end of back-moving spring 86 is fixed on back-moving spring axle 861, this back-moving spring axle 861 directly is formed in box body 1 on the wall body of box body chamber 11 1 sides, be extended with a lesser tubercle signal picker seat 852 at the middle part of lesser tubercle signals collecting swing arm 85 and towards a side of aforementioned indicator-lamp cover 121, be embedded with a lesser tubercle signal picker 8521 of being filled the post of by magnet steel on this lesser tubercle signal picker seat 852 and towards a side of aforementioned circuit plate 4, this lesser tubercle signal picker 8521 is corresponding with aforesaid yarn lesser tubercle signal response device 43.The lower end of lesser tubercle catch 843 is corresponding with embedding yarn hook 141, and corresponding with major tubercle catch 743.

Please see Fig. 1 by emphasis, the above repeatedly mentions, and the mechanism 9 that exempts to entry is fixed towards the below of a side of lid 2 with aforementioned box body 1, and with the large and small tubercle signal picker 8 of yarn, match, more precisely with aforesaid large and small tubercle catch 743,843, match simultaneously. simultaneously

The aforesaid mechanism 9 that exempts to entry preferably but not the structure definitely be limited to is as follows: comprise exempt from threading board 91, by yarn plate 92 with draw yarn spoon 93, exempt from threading board 91 and fix with the box body double-screw bolt 17e on box body 1 by fixed bolt 917, specifically adopt stud screw 9171 that hold-down screw post 917 is fixed with box body double-screw bolt 17e.Form and draw yarn spoon seat 911 in an end end of the length direction of exempting from threading board 91 and towards a side of box body 1, draw yarn spoon 93 and insert and be embedded in this and draw on yarn spoon seat 911, and corresponding with aforesaid embedding yarn hook 141.Be fixed on and exempt from the side of threading board 91 towards box body 1 by yarn plate 92, and be positioned at the middle part of the length direction of exempting from threading board 91, should and form a lesser tubercle catch fitting projection 921 was arranged in the position corresponding to aforementioned lesser tubercle catch 843 by an end of yarn plate 92, and lean on the other end of yarn plate 92 and form in the position corresponding to aforementioned major tubercle catch 743, a major tubercle catch fitting projection 922 is arranged, also form the yarn pretension adjusting mechanism chamber 912 of stepping down at the described other end of the length direction of exempting from threading board 91, form towards a side of box body 1 and in the position corresponding to by above yarn plate 92 to be useful in major tubercle catch gap yarn 10 imported to simultaneously between major tubercle catch fitting projection 922 and major tubercle catch 743 and to import to and lean on yarn plate guide inclined-plane 913 in the lesser tubercle catch gap between lesser tubercle catch fitting projection 921 and lesser tubercle catch 843 exempting from threading board 91, and on step down Bi top, 912 chamber, chamber and form the yarn pretension adjusting mechanism guide inclined-plane 914 in the yarn clipping dish twizzle chamber 641 be useful on the yarn clipping dish twizzle 64 that yarn is imported to aforementioned yarn pretension adjusting mechanism 6 towards a side of box body 1 of yarn pretension adjusting mechanism.By the incline direction on yarn plate guide inclined-plane 913 and yarn pretension adjusting mechanism guide inclined-plane 914 all towards under.Wherein, maintain the aforementioned major tubercle catch gap that the major tubercle for stoping on yarn 10 passes through between major tubercle catch 743 and major tubercle catch fitting projection 922, and between lesser tubercle catch 843 and lesser tubercle catch fitting projection 921, maintaining so that the lesser tubercle catch gap that the lesser tubercle on yarn 10 is scraped, major tubercle catch gap is greater than lesser tubercle catch gap.

Preferably, aforesaid draw on yarn spoon 93 form have one for yarn is imported to draw yarn spoon 93 draw in the yarn spoon chamber 931 in and simultaneously entry deterrence escape and seal and stop sheet 932 in the yarn spoon guide of drawing of drawing yarn spoon chamber 931 to drawing yarn 10 in yarn spoon chamber 931.Because the structure of drawing yarn spoon 93 is identical with aforesaid embedding yarn hook 141, thus the applicant its detailed description is omitted.Shown in figure, draw yarn spoon 93 corresponding with embedding yarn hook 141.

Preferably, exempting from threading board 91 towards a side of box body 1 and corresponding to by the position of yarn plate 92, forming and have one by yarn plate earthing pin holder 915, form grounding leg fixed leg 9151 is arranged in this chamber of seat by yarn plate earthing pin holder 915, by being extended with one on yarn plate 92 by yarn plate earthing pin 923, should lean on yarn plate earthing pin 923 fixing with grounding leg fixed leg 9151.

And then preferably, exempt from threading board 91 and have a pair of by yarn plate support column 916 in the formation of the position corresponding to by yarn plate 92 aforesaid, this a pair of one of them by yarn plate support column 916 is by yarn plate support column and the side contacts of aforementioned lesser tubercle catch fitting projection 921 back to lesser tubercle catch 813, and a pair of another by yarn plate support column 916 leans on yarn plate support column and aforesaid major tubercle catch fitting projection 922 side contacts back to major tubercle catch 743.

More and preferably, on lever jack axle 61, be connected with a lever jack be coupling ground wire 612, this lever jack box body earth lead 19 that ground wire 612 is laid on box body 1 that is coupling is electrically connected to, and is electrically connected to by line plate earthing pin 923 with aforesaid, and box body earth lead 19 is electrically connected with circuit board 4.

When yarn 10 being introduced to yarn pretension adjusting mechanism 6, major tubercle catch gap between major tubercle catch 743 and major tubercle catch fitting projection 922, lesser tubercle catch gap between lesser tubercle catch 843 and lesser tubercle catch fitting projection 921, draw the embedding yarn hook chamber 1411 of drawing yarn spoon chamber 931 and embedding yarn hook 141 of yarn spoon 93 when interior, so the operator if by its both hands by yarn 10 in exceptionally straight state, and under the aforesaid state by yarn plate guide inclined-plane 913 and yarn pretension adjusting mechanism guide inclined-plane 914 of aligning, yarn 10 is strangled and drawn downwards, thereby make yarn 10 enter and be positioned at simultaneously, outer yarn clipping dish 62, the yarn clipping dish twizzle chamber 641 of the yarn clipping dish twizzle 64 between 63, aforesaid major tubercle catch gap, lesser tubercle catch gap, draw in the embedding yarn hook chamber 1411 of drawing yarn spoon chamber 931 and embedding yarn hook 141 of yarn spoon 93, by 10 pairs of broken yarn signals collecting bar yarn hooks 31 of yarn, lift outstanding simultaneously.In said process, owing to needn't yarn 10 being connected in the mode of trying to make a match, thereby there is the technique effect referred in the superincumbent technique effect of applicant hurdle.

CN10288705A, the CN10288706A and the CN10288707A that due to structure and the operation principle of the large and small tubercle signals collecting of yarn mechanism 7,8, basically with the applicant, in the background technology hurdle, mention are identical, so the applicant repeats no more.

Claims (9)

1. a kind of device for adjusting tension of yarn of computer plain flat knitter, comprise and form the box body (1) that box body chamber (11) is arranged, one end of this box body (1) forms an indicator-lamp cover chamber (12), and is extended with a yarn pretension adjusting mechanism mount pad (13) in the below of the other end of this box body (1), one for covering the lid (2) protected to described box body chamber (11), this lid (2) matches with box body (1), one broken yarn signals collecting bar (3), one end of this broken yarn signals collecting bar (3) stretches as free end and towards the described end of box body (1), and the other end pivotable of this broken yarn signal lever (3) is connected to the described other end of box body (1), one circuit board (4), this circuit board (4) is arranged in described box body chamber (11), and is electrically connected by the computer controller of circuit and computer plain flat knitter, one broken yarn signal generation mechanism (5), this broken yarn signal generation mechanism (5) is in the position of the described other end corresponding to described box body (1) is arranged on described box body chamber (11), with the described other end of described broken yarn signals collecting bar (3), be connected, and corresponding with described circuit board (4), one yarn pretension adjusting mechanism (6), this yarn pretension adjusting mechanism (6) is arranged on described yarn pretension adjusting mechanism mount pad (13), be arranged on box body chamber (a 11) middle part and yarn major tubercle signals collecting mechanism (7) and a yarn lesser tubercle signals collecting mechanism (8) corresponding with described circuit board (4) of described box body (1), wherein: yarn major tubercle signals collecting mechanism (7) is positioned between yarn lesser tubercle signals collecting mechanism (8) and described broken yarn signal generation mechanism (5), characterized by further comprising the mechanism (9) that exempts to entry, this mechanism (9) that exempts to entry is fixed towards the below of a side of described lid (2) with described box body (1), and with described yarn major tubercle signals collecting mechanism (7) and yarn lesser tubercle signals collecting mechanism (8), match simultaneously, in the end of the described end of described box body (1) and the below that is positioned at this end be extended with an embedding yarn hook seat (14), be embedded with an embedding yarn hook (141) on this embedding yarn hook seat (14), form in a described end end of described broken yarn signals collecting bar (3) and have that a shape is identical with embedding yarn hook seat (14) and position is corresponding but the broken yarn signals collecting bar yarn hook (31) of the opposite direction of direction and embedding yarn hook seat (14), this broken yarn signals collecting bar yarn hook (31) is also corresponding with the described mechanism (9) that exempts to entry.

2. the device for adjusting tension of yarn of computer plain flat knitter according to claim 1, it is characterized in that on the lower edge of described box body (1) and offer step down groove (15a) and offer the lesser tubercle signals collecting catch groove (15b) of stepping down in the position corresponding to described yarn lesser tubercle signals collecting mechanism (8) of a major tubercle signals collecting catch in the position corresponding to described yarn major tubercle signals collecting mechanism (7), at described lid (2) upper and in the position of the groove (15a) of stepping down corresponding to described major tubercle signals collecting catch, offer one with major tubercle signals collecting catch step down major tubercle signals collecting catch slot to make way (21a) that groove (15a) matches and in the position of the groove (15b) of stepping down corresponding to described lesser tubercle signals collecting catch, offer one with the lesser tubercle signals collecting catch lesser tubercle signals collecting catch slot to make way (21b) that groove (15b) matches of stepping down, the described mechanism (9) that exempts to entry simultaneously steps down with step down groove (15a) and lesser tubercle signals collecting catch of major tubercle signals collecting catch that (15b) is corresponding for groove, greatly, the lesser tubercle signals collecting catch groove (15a that steps down, 15b), major tubercle signals collecting catch slot to make way (21a) and lesser tubercle signals collecting catch slot to make way (21b) all communicate with described box body chamber (11), be provided with broken yarn signal response device (41) on described circuit board (4), yarn major tubercle signal response device (42) and yarn lesser tubercle signal response device (43), corresponding with broken yarn signal response device (41) with the described broken yarn signal generation mechanism (5) that the described other end of described broken yarn signals collecting bar (3) connects, yarn major tubercle signals collecting mechanism (7) is corresponding with yarn major tubercle signal response device (42), yarn lesser tubercle signals collecting mechanism (8) is corresponding with yarn lesser tubercle signal response device (43), upper and form a lever jack axle holder (131) is arranged towards a side of described yarn pretension adjusting mechanism (6) at described yarn pretension adjusting mechanism mount pad (13), yarn pretension adjusting mechanism (6) is arranged on this lever jack axle holder (131), the direction of described embedding yarn hook (141) is towards upper, and the direction of described broken yarn signals collecting bar yarn hook (31) towards under.

3. the device for adjusting tension of yarn of computer plain flat knitter according to claim 2, it is characterized in that described yarn pretension adjusting mechanism (6) comprises lever jack axle (61), in, outer yarn clipping dish (62, 63), yarn clipping dish twizzle (64), pretension regulating spring (65), pretension regulating spring seat (66) and pretension adjusting knob (67), one end of lever jack axle (61) and described lever jack axle holder (131) are fixing, the other end is configured to the horizontal boom end and also forms on surface lever jack male thread (611), in, outer yarn clipping dish (62, 63) be fitted to each other and be nested with on lever jack axle (61), yarn clipping dish twizzle (64) is nested with upper at lever jack axle (61) and is positioned at, outer yarn clipping dish (62, 63) between, pretension regulating spring (65) and pretension regulating spring seat (66) are nested with on lever jack axle (61), wherein, one end bearing of pretension regulating spring (65) is outside on yarn clipping dish (63), and the other end is bearing on pretension regulating spring seat (66), pretension adjusting knob (67) be positioned at lever jack axle (61) the described other end and with lever jack male thread (611) threaded engagement, wherein: at pretension regulating spring seat (66), towards a side surface formation of pretension adjusting knob (67), spring base damping tooth (661) is arranged, and pretension adjusting knob (67) has knob damping tooth (671) towards a side surface formation of pretension regulating spring seat (66), knob damping tooth (671) matches with spring base damping tooth (661), the top formation of described yarn clipping dish twizzle (64) is useful on for yarn and imports to the yarn clipping dish twizzle guide inclined-plane (642) in yarn clipping dish twizzle chamber (641), described yarn clipping dish twizzle chamber (641) is corresponding with described embedding yarn hook (141).

4. the device for adjusting tension of yarn of computer plain flat knitter according to claim 2, it is characterized in that described yarn major tubercle signals collecting mechanism (7) comprises adjustment knob (71), adjust screw shaft (72), adjust 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 reset tension spring (79), adjust knob (71) and be positioned at the side of described box body (1) back to described box body chamber (11), adjusting screw shaft (72) is connected with described adjustment knob (71) towards an end of adjusting knob (71), and the other end of adjusting screw shaft (72) is equipped with a nut regulating sleeve (721) with thread fiting mode, this nut regulating sleeve (721) forms an adjustment spring-loaded chamber (7211) is arranged towards a side of adjusting spring (73), and form a pair of nut sleeve shift fork (7212) is arranged on the outer wall of nut regulating sleeve (721), zone between this pair of nut sleeve shift fork (7212) is configured to the holder axle chamber (72121) of stepping down, adjusting spring (73) is nested with on adjustment screw shaft (72), one end bearing of this adjustment spring (73) is the side towards box body chamber (11) at box body (1), and the other end probes in described adjustment spring-loaded chamber (7211) and is bearing on nut regulating sleeve (721), major tubercle catch holder (74) is nested with on major tubercle catch holder pivotal axis (741) rotationally in the position in the chamber (72121) of stepping down corresponding to described holder axle, and this major tubercle catch holder pivotal axis (741) directly is formed in box body (1) on the wall body of a side of box body chamber (11), and probing into described holder axle steps down in chamber (72121), above and in the position corresponding to major tubercle signals collecting swing arm (78) form a shake-up pin (742) is arranged at this major tubercle catch holder pivotal axis (741), and be fixed with the upper end of a major tubercle catch (743) with vertical cantilever position in the bottom of major tubercle catch holder (74), and the lower end of this major tubercle catch (743) is stretched over outside described box body chamber (11) in the position of stepping down between groove (15a) and described major tubercle catch slot to make way (21a) corresponding to described major tubercle signals collecting catch, and corresponding with the described mechanism (9) that exempts to entry, the yarn that comes from described yarn pretension adjusting mechanism (6) is by way of described major tubercle catch (743) and exempt to entry between mechanism (9) and stopped by major tubercle catch (743) while on yarn, having major tubercle, major tubercle catch holder (74) is towards the narrow contracting of an end of holder support column (75) and form a supporting head (744) is arranged, supporting key seat (77) directly is formed in box body (1) on a sidewall bodies of box body chamber (11) with the horizontal boom state, and towards the length direction formation of a side of fulcrum post (76), a fulcrum post mating groove (771) is arranged at this supporting key seat (77), holder support column (75) has a tube chamber, be provided with a support spring (751) in this tube chamber, fulcrum post (76) is in an end of holder support column (75) inserts the described tube chamber of holder support column (75) and contact with support spring (751), and fulcrum post (76) towards the supporting key seat (77) an end bearing in fulcrum post mating groove (771), be concaved with a supporting head at holder support column (75) and coordinate nest (752) on the end face of an end of major tubercle catch holder (74), described supporting head (744) probes into supporting head and coordinates in nest (752), the middle part of major tubercle signals collecting swing arm (78) is arranged on swing arm pivotal axis (781) rotationally, this swing arm pivotal axis (781) directly is formed in box body (1) on the wall body of a side of box body chamber (11), one end of major tubercle signals collecting swing arm (78) is corresponding with described shake-up pin (742), and the other end is connected with an end of reset tension spring (79), the other end of reset tension spring (79) is fixed on reset tension spring axle (791), and reset tension spring axle (791) directly is formed in box body (1) on the wall body of a side of box body chamber (11), be extended with a major tubercle signal picker seat (782) at the middle part of major tubercle signals collecting swing arm (78) and towards the direction of described yarn lesser tubercle signals collecting mechanism (8), upper and be equipped with a major tubercle signal picker (7821) towards a side of described circuit board (4) at this major tubercle signal picker seat (782), this major tubercle signal picker (7821) is corresponding with described yarn major tubercle signal response device (42), described major tubercle catch (743) is corresponding with described embedding yarn hook (141), be positioned at described large on described box body (1), lesser tubercle signals collecting catch slot to make way (15a, 15b) and the major tubercle signals collecting catch slot to make way (21a) and the lesser tubercle signals collecting catch slot to make way (21b) that are positioned on described lid (2) be rectangular channel.

5. the device for adjusting tension of yarn of computer plain flat knitter according to claim 4, it is characterized in that described yarn lesser tubercle signal picker (8) comprises adjusting knob (81), adjusting screw(rod) axle (82), regulating spring (83), lesser tubercle catch holder (84), lesser tubercle signals collecting swing arm (85) and back-moving spring (86), adjusting knob (81) is positioned at the side of described box body (1) back to described box body chamber (11), adjusting screw(rod) axle (82) is connected with adjusting knob (81) towards an end of adjusting knob (81), the other end at adjusting screw(rod) axle (82) is equipped with a nut sleeve (821) with thread fiting mode, this nut sleeve (821) has regulating spring supporting cavity (8211) towards a side formation of regulating spring (83), and form a pair of pusher dog (8212) is arranged on the outer wall of nut sleeve (821), space between a pair of pusher dog (8212) is configured to the fixed axis cavity (82121) of stepping down, regulating spring (83) is nested with on adjusting screw(rod) axle (82), and an end bearing of this regulating spring (83) at described box body (1) on the wall body of box body chamber (11) one sides, and the other end probes into regulating spring supporting cavity (8211) and be bearing on nut sleeve (821), lesser tubercle catch holder (84) is nested with on lesser tubercle catch holder pivotal axis (841) rotationally in the position of the cavity (82121) of stepping down corresponding to described fixed axis, and this lesser tubercle catch holder pivotal axis (841) directly is formed in box body (1) on the wall body of a side of box body chamber (11) and is stretched over the fixed axis cavity (82121) of stepping down, above and in the position corresponding to lesser tubercle signals collecting swing arm (85) form a haptic element (842) is arranged at this lesser tubercle catch holder (84), and be fixed with the upper end of a lesser tubercle catch (843) with cantilever position in the bottom of lesser tubercle catch holder (84), and the lower end of lesser tubercle catch (843) is stretched over outside described box body chamber (11) in the position of stepping down between groove (15b) and described lesser tubercle catch slot to make way (21b) corresponding to described lesser tubercle signals collecting catch, and with described exempt to entry mechanism (9) and described embedding yarn hook (141) corresponding, the yarn that comes from described yarn pretension adjusting mechanism (6) is by way of described major tubercle catch (743) and after exempting to entry between mechanism (9) from lesser tubercle catch (843) and exempt to entry between mechanism (9) by and responded by lesser tubercle catch (843) when there is lesser tubercle in yarn, exempt to entry between mechanism (9) by and responded by lesser tubercle catch (843) while on yarn, having lesser tubercle, the middle part of lesser tubercle signals collecting swing arm (85) is arranged on swing arm hub setting axle (851) rotationally, this swing arm hub setting axle (851) directly is formed in box body (1) on the wall body of box body chamber (11) one sides, one end of lesser tubercle signals collecting swing arm (85) is corresponding with described haptic element (842), and the other end is connected with an end of back-moving spring (86), the other end of back-moving spring (86) is fixed on back-moving spring axle (861), this back-moving spring axle (861) directly is formed in box body (1) on the wall body of box body chamber (11) one sides, be extended with a lesser tubercle signal picker seat (852) at the middle part of lesser tubercle signals collecting swing arm (85), upper and be embedded with a lesser tubercle signal picker (8521) towards a side of described circuit board (4) at this lesser tubercle signal picker seat (852), this lesser tubercle signal picker (8521) is corresponding with described yarn lesser tubercle signal response device (43), described lesser tubercle catch (843) with to state embedding yarn hook (141) corresponding, and corresponding with described major tubercle catch (743).

6. the device for adjusting tension of yarn of computer plain flat knitter according to claim 5, it is characterized in that the described mechanism (9) that exempts to entry comprises exempts from threading board (91), lean on yarn plate (92) and draw yarn spoon (93), exempt from threading board (91) fixing with described box body (1), this exempt from threading board (91) length direction an end end and form and to draw yarn spoon seat (911) towards a side of box body (1), drawing yarn spoon (93) is plugged on this to draw yarn spoon seat (911) upper and corresponding with described embedding yarn hook (141), be fixed on and exempt from threading board (91) towards a side of box body (1) and be positioned at the middle part of the length direction of exempting from threading board (91) by yarn plate (92), should and form a lesser tubercle catch fitting projection (921) was arranged in the position corresponding to described lesser tubercle catch (843) by an end of yarn plate (92), and lean on the other end of yarn plate (92) and form in the position corresponding to described major tubercle catch (743), a major tubercle catch fitting projection (922) is arranged, form the yarn pretension adjusting mechanism chamber (912) of stepping down is arranged at the other end of the length direction of exempting from threading board (91), form towards a side of box body (1) and in the position corresponding to the described top by yarn plate (92) and have one for yarn is imported to simultaneously, between major tubercle catch fitting projection (922) and major tubercle catch (743) and between lesser tubercle catch fitting projection (921) and lesser tubercle catch (843), to lean on yarn plate guide inclined-plane (913) exempting from threading board (91), and on the step down Bi top, chamber in chamber (912) and form towards a side of box body (1) and be useful on the yarn pretension adjusting mechanism guide inclined-plane (914) that yarn is imported to described yarn pretension adjusting mechanism (6) of yarn pretension adjusting mechanism, the described incline direction by yarn plate guide inclined-plane (913) and yarn pretension adjusting mechanism guide inclined-plane (914) all towards under, wherein: maintain the major tubercle catch gap that the major tubercle for stoping on yarn passes through between described major tubercle catch (743) and major tubercle catch fitting projection (922), and between described lesser tubercle catch (843) and lesser tubercle catch fitting projection (921), maintain so that the lesser tubercle catch gap that the lesser tubercle on yarn is scraped, major tubercle catch gap is greater than lesser tubercle catch gap.

7. the device for adjusting tension of yarn of computer plain flat knitter according to claim 6, it is characterized in that described draw yarn spoon (93) upper form have one for yarn is imported to draw yarn spoon (93) draw in the yarn spoon chamber (931) in and simultaneously entry deterrence escape and seal and stop sheet (932) in the yarn spoon guide of drawing of drawing yarn spoon chamber (931) to drawing yarn in yarn spoon chamber (931); Described embedding yarn hook (141) upper form have one for the embedding yarn hook chamber (1411) that yarn is imported to embedding yarn hook (141) in and simultaneously entry deterrence escape and seal and stop sheet (1412) in the embedding yarn hook guide in embedding yarn hook chamber (1411) to the yarn in embedding yarn hook chamber (1411).

8. the device for adjusting tension of yarn of computer plain flat knitter according to claim 6, it is characterized in that exempting from threading board (91) towards a side of described box body (1) and forming and having one by yarn plate earthing pin holder (915) corresponding to the described position by yarn plate (92) described, form grounding leg fixed leg (9151) is arranged in this chamber of seat by yarn plate earthing pin holder (915), by being extended with one on line plate (92) by line plate earthing pin (923), should lean on line plate earthing pin (923) and grounding leg fixed leg (9151) fixing.

9. the device for adjusting tension of yarn of computer plain flat knitter according to claim 6, it is characterized in that exempting from threading board (91) above and having a pair of by yarn plate support column (916) corresponding to the described position by yarn plate (92) formation described, this a pair of one of them by yarn plate support column (916) is the side contacts back to described lesser tubercle catch (843) by yarn plate support column and described lesser tubercle catch fitting projection (921), and a pair of another by yarn plate support column (916) by yarn plate support column and described major tubercle catch fitting projection (922) side contacts back to described major tubercle catch (743).

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