CN2174490Y

CN2174490Y - Needle plate transmission device for knitting and crochet machines

Info

Publication number: CN2174490Y
Application number: CN 93218453
Authority: CN
Inventors: 陈浩然
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-08
Filing date: 1993-07-08
Publication date: 1994-08-17
Anticipated expiration: 2003-07-08

Abstract

A needle plate transmission device of a programmable control knitting crochet machine is characterized in that a set of driving and driven belt pulleys are matched with a current output programmable controller to achieve the purpose of current supply control by program input, the top surface of the driven belt pulley is locked with a transverse reverse connecting rod, and the end parts of one side or two sides of the transverse reverse connecting rod are connected with the side edge of a yarn guide plate positioned on the side edge of the transverse reverse connecting rod through a driving rocker arm; the change of the yarn feeding is controlled by a servo motor.

Description

Needle plate driving device for knitting crocheting machine

The utility model relates to the knitting crochet machine needle plate transmission device of programmable control, it mainly is to make the crochet machine needle plate transmission device of control with mechanical component at improving tradition, and use the driving and driven belt pulley that dentation belt in a group is done the ring-type socket, the programmable controller of the electric current of arranging in pairs or groups output, the input that reaches by formula infeeds control as electric current, to brake the reciprocal steering operation of driving and driven belt pulley; Make end face by driven pulley, the horizontal shape returnconnecting rod of institute's interlocking, one-sided or bilateral end with it, mat one has the driving rocking arm of the active axle head of both-end, connect with the guide plate side of position at one or twice crochet machine of its side, done back and forth when turning to swing and drive by clutch plate, the interlock rocking arm orders about the guide plate and carries its front side needle plate, makes laterally back and forth the feeding position with the control yarn; Make by driving the initiatively servo motor of belt pulley, the multistage that driven by formula changes to turn to and promptly changes the width of cloth and control, and the unlimited variation effect when reaching the reciprocal yarn feeding of accurate driving guide plate.

By with knitting mechanism, according to its special crocheting character, and be subjected to the knitting crochet machine that extremely many producers generally adopt, its crocheting product mainly promptly is again in multinomial products such as braid over braid, braiding rope or laces.And the type crocheting loom is to provide different lace kenels to change, or different compositions is when changing, the main guide plate that promptly provides most sley points to hang by the crochet machine stage casing, in left and right reciprocal process, make different traversing degree change, diverse location when making weft yarn crochet hook being done crocheting below feeding is accepted it, and reach being made into of different fabric effects.And traditional crochet machine is being done the driving that the different traversing degree of aforementioned guide plate change, promptly be card or the flower-drum of being dependent on general jacquard weave purposes, make interlock in guide plate side by a rocking arm, make it reciprocating, and, reach the correspondence that the different traversing degree of guide plate change according to the variation of the concave, convex on card or the flower-drum ring-type stroke.Now be example (please cooperate consult shown in Figure 1) with the flower-drum 2 of more progressive type: weft yarn is led and fed is by the driving flower-drum 2 more than a group or a group, the bulging sheet 21 that is convexly equipped with its side is a recess 22, work compresses with trace 31 ends that are horizontally placed on the movable protruding row of guide plate 3 latter ends that are nested with in board crochet hook seat top with array and contacts, and by drum sheet 21 and recess 22 with the contacting of trace 31 terminal different protrusion degree, the sley point 4 that makes guide plate 3 carry its top is done a left side, the reciprocal displacement of right (wherein, the end in addition of guide plate is equiped with the spring counterrecoil mechanism, and draw among this figure and end).

And above-mentioned flower-drum 2 or the driving of card change, and virtually completely are to decide according to the concavo-convex variation in the complete cycle stroke each time on flower-drum or the card; Be with, in the time will obtaining different being made into and organize, promptly must to change the flower-drum that uses different pattern or add, subtract chain length on the card; And for fear of the limitation on the board space, flower-drum is that card chain length unexpectedly can't be excessive or long, therefore significantly be restricted to the design space that Cheng Bianhua is knitted in crocheting, and the development of the crochet machine that makes and utilization is subjected to suitable constraint.

Again and, the drives structure that comprehensive above-mentioned known knitting crocheting is knitted then has following shortcoming, can not be ignored:

1. the drives structure that above-mentioned knitting crocheting is knitted is can the common name of mechanical type drives structure.And mechanical type mechanism is in the running, because of must with knit the time intercropping that bar stretches out, is retracted into and cooperate, be must will design the synchronization structure of interlock and other drives structure of board partly connect.And at the kinetic equation loss that this connection course of action caused hamony factor of synchronization action etc., (the general spindle operation speed of this type of crochet machine that all causes the running speed of this knitting needle to promote, between 400-500 RPM), relative its production capacity, efficient of making is low, and the economy of braiding can't obtain effective improvement all the time.

2. the drives structure of above-mentioned knitting crochet machine is to be on the single driving framework, and single tissue or the style that is made into thing is provided; If to change do different tissues or style be made into thing the time, the dealer must with this drives structure (as flower-drum, card is whole unloads, change the outfit or reequip after refill again, then through studying, process such as correction, very loaded down with trivial details inconvenience in operation, and expend considerable material, time, particularly be different flower-drum or card, promptly must do different preparations, expending on the cost is quite surprising.And, the major item of aforementioned knitting crochet machine, on the purposes of ribbon, volume rope or lace, so the practice is used on knitting crochet machine, and the extreme that will cause drives structure constantly to change is awkward, thereby causes the very big puzzlement of industry.

The inventor promptly is based on professional for many years manufacturing experience itself that be engaged in the knitting crocheting of this kind mechanism, adding in the work purposes with servo motor and be programmable control that aforementioned currents is confessed all has and dabbles (this tool programmable control device, be but that intensional logic circuit mat parameter and data are imported by button, make the instruction of execution, and convenient change at any time, as CNC lathe etc. utilization is widely arranged all on the general industry, and specification product for buying, be to belong to known configuration), thereby creation inspiration with triplicity utilization arranged, the heir finishes promptly crochet machine field investigation success through reality through structure Design, confirm certain applicability of the present utility model, recognize the establishment requirement of symbol utility model patent.

The knitting crochet machine needle plate transmission device that provides a kind of programmable to control is provided main purpose of the present utility model; It is by the horizontal shape returnconnecting rod of driven pulley end face institute interlocking, having the driving rocking arm of the active axle head of both-end, with its bilateral end lock plant and with the guide plate on form interlock; So driven when doing reciprocal swing by clutch plate, the interlock rocking arm orders about the guide plate and carries its front side needle plate, make laterally back and forth feeding position with the control yarn; And, accept its drive controlling because of drive pulley is that middle-end by a servo motor is coupling; And servo motor is the current output terminal that is linked to this programmable controller, therefore can do various power supply output at any time by this controller place changes, and reach accurate control servo motor forward and backward to, change the width of cloth with through really angle and complete free condition such as time difference, intermittence, and then provide endless variation effect when driving the reciprocal yarn feeding of guide plate, make crochet machine can have or not the product that the are made into design space of limit for width, significantly promote the economic benefit of crochet machine.

The knitting crochet machine needle plate transmission device that provides a kind of programmable to control is provided an of the present utility model purpose; Wherein, mat programmable controller is done various power supply output at any time and is changed, can change the rotation condition of servo motor, change design when driving the reciprocal yarn feeding of guide plate is provided, make crochet machine when changing fabric structure or style, exempt from changeing on facility, can obtain the different product that are made into immediately, visible significantly lifting has more Practical Benefit on fabric efficient.

The knitting crochet machine needle plate transmission device that provides a kind of programmable to control is provided a purpose more of the present utility model; Wherein, the rotation condition of mat programmable controller control servo motor, the control that drives the reciprocal yarn feeding of guide plate is provided, because of the rotation of servo motor through really, fast, and can conveniently proofread and correct the action of hello latitude synchronously with the facility main shaft, therefore speed promptly can promote significantly at a high speed (according to the test of weaving of inventor's reality in the running of knitting needle, use crochet machine of the present utility model, rotating speed can reach merchant's rotating speed of 600-2400 RPM, approximately nearly six times of conventional speed of maximum speeds), therefore can improve the production capacity of crochet machine, the economic benefit that tool is excellent.

The knitting crochet machine needle plate transmission device that provides a kind of programmable to control is provided another purpose of the present utility model; Wherein, mat programmable control servo motor rotates and then drives the control of the reciprocal yarn feeding of guide plate, is severe attrition because of there not being traditional parts by the noise of concavo-convex collision or friction, is significantly to reduce with the working environment noise that can make braiding, and prolongs the service life of needle plate driving machine spare.

Remainder is an implementation and operation with regard to structure of the present utility model now again, illustrates with cooperation, detailed record and narrate in after, sincerely look into for referencial use.Wherein, the diagram of quoting from is described, is meant respectively:

Fig. 1 is the effect schematic diagram of known crocheting self-figure drum drive unit.

Fig. 2 is the i.e. part decomposition of three-dimensional combination of the present utility model, implements diagram.

Fig. 3-A is one of the utility model action schematic diagram.

Fig. 3-B is two of the utility model action schematic diagram.

Fig. 3-C is three of the utility model action schematic diagram.

Cooperate at first please that to consult Fig. 2 be shown in Fig. 3-A, effect structure of the present utility model mainly comprises:

One group of driving and driven

belt pulley

51,52; Axle is located at and makes the work of forward and backward location on the side platform 32 of crochet machine board guide plate 3 and establish respectively, and does the peripheral ring-type socket of two

belt pulleys

51,52 by an interior dentation belt 53, forms master and slave driving; Wherein, the end face of driven pulley 52 convexes with the returnconnecting rod 521 of a horizontal shape; Make by the one-sided of returnconnecting rod or bilateral end end face, have each one keyhole 5211 respectively, can with or rank before and after twice crochet machine guide plate 3 sides form opposed;

One or two drive rocking arms 6; The one side has active axle sleeve 61, but the mat bolt-lock is fixed on the side of guide plate 3 side fixed bar 3A; Another side then has an axis hole 62, but mat lock 621 is locked in the side keyhole 5211 of returnconnecting rod 521 locating shaft and is established, and the relaying of formation returnconnecting rod 521 and guide plate 3 interlocks, and by driven pulley 52 driven do reciprocal when turning to swing, interlock rocking arm 6 orders about guide plate 3 and carries the latitude pin 4 that its medial segment hangs, and does laterally back and forth to control the feeding position of weft yarn; And according to the counter motion effect of returnconnecting rod 521 both-ends, make 521 on this connecting rod simultaneously the forward and backward guide plate 3 of twice of interlock make reverse, complementary traverse motion (as seeing also shown in Fig. 3-B, Fig. 3-C);

One servo motor 7; Fixedly interlocking is below board side platform 32, and its middle-end driving axial epirelief is worn platform 32, and is coupling with the middle-end of drive pulley 51, driving this driving wheel 51, and then mat belt 53 interlock driven pulleys 52;

One programmable controller 8; The end of its electric current output is the current input terminal that is linked to servo motor 7, and can be by the formula control of this controller 8, and the different outputs of multistage that make power supply change, and reach accurate control servo motor forward and backward to, change different conditions such as the width of cloth and time difference; Make by above-mentioned structure, can provide when driving guide plates 3 and do reciprocal yarn feeding by driven pulley 52, driven by the formula of programmable controller 8 according to servo motor 7, and accurately control the change condition such as direction, amplitude, speed, time difference of guide plate 3 lateral displacements, and significantly improve the knitting property of crochet machine; Particularly in the change design of directly being made formula by controller 8 places, can change immediately on the convenient operation of guide plate stroke, the work that more can significantly promote knitting crochet machine changes the ability of crocheting, and tool promotes the multiple Practical Benefit of production capacity comprehensively.Moreover, the returnconnecting rod 521 of the end face of the aforementioned driven pulley 52 of foundation, it removes can make the single road of one-sided interlocking rocking arm 6, controlling the start of single road guide plate 3, or make bilateral end interlocking two pass rocking arm 6, outside the reverse start with control two pass guide plate 3, and can be by single group or plural groups said apparatus, before and after doing, be provided with continuously,, provide the abundanter crocheting of crochet machine to change to have two roads or guide plate 3 drives structure more than two roads.

In addition, the returnconnecting rod 521 on the driven pulley 52 for cooperation provides the change in location or the equal factor of rocking arm 6 length of guide plate 3, also must cooperate this two keyhole 5211 is separately positioned on each slide block 52A; And the side section of this slide block 52A has an elongated chute 52AA, but mat bolt 52B passes this elongated chute 52AA, lock in the keyhole 52B set on the returnconnecting rod 521, and with the stagnant location thereon of slide block 52A lock, provide rocking arm 6 interlocking positions, can make the multi-direction regulatory function of left and right or dead axle deflection, to adapt to the demand of braiding condition.

Of the present utility model to be that miscellaneous mechanism is actual through careful design make, operate, and being shaped on actual mechanism can provide and weaves test.If it is necessary that the auditor thinks, earnestly ask additional relevant data of the indication of writing or parent to operating operation test.

To sum up institute is old, and the utility model has original practicality and excellent mechanism's operational benefits really, should close practicality and promote the utility model patent establishment requirement of promptly initiating effect.

Claims

1. A program-controlled needle plate transmission device for a knitting and crochet machine, characterized in that:

A set of driving pulleys and driven pulleys; the shafts are respectively set on the side platform of the yarn guide plate of the crochet machine for front and rear positioning, and an inner toothed belt is used as the peripheral ring socket of the two pulleys , forming the master and slave drive; wherein, the top surface of the driven pulley is protrudingly provided with a horizontal reverse connecting rod; so that the top surface of one side or both sides of the reverse connecting rod has a bolt hole respectively, It can be opposed to one or two crochet machine yarn guide plates side by side;

One or two driving rocker arms; one end has an active bushing, which can be fixed on the side of the fixed rod on the side of the yarn guide plate by a bolt lock; the other end has a shaft hole, which can be locked in the opposite side by a lock The positioning shaft is set in the side bolt hole of the connecting rod to form a relay for the linkage between the reverse connecting rod and the yarn guide plate, and when the driven wheel is driven to reciprocate the steering swing, the linked rocker arm drives the yarn guide to carry The weft needles hung on the inner section reciprocate horizontally to control the feeding position of the weft yarns; and according to the reverse movement of the two ends of the reverse connecting rod, the two front and rear yarn guides simultaneously linked by the connecting rod The plates make reverse and complementary lateral reciprocating motions;

A servo motor; it is fixedly locked under the platform on the side of the machine, and its middle end drive shaft protrudes upwards through the platform, and is connected with the middle end of the driving pulley to drive the driving pulley, and then drive the driven pulley through the belt ;

A programmable controller; its current output end is connected to the current input end of the servo motor, and the controller can input a program to control the operating conditions of the servo motor, and then accurately control the changing conditions of the lateral displacement of the yarn guide plate.

2. The needle plate transmission device of the programmable knitting and crochet machine according to claim 1; wherein, the reverse connecting rod on the driven pulley has to cooperate with the bolt holes on both sides to be respectively set on each slider and the side section of the slider has a long chute, which can be locked into the bolt hole provided on the reverse connecting rod by means of a bolt passing through the long chute, and the slider is locked on it for positioning , providing the adjustment function of the rocker lock position.