CN108729005A - The needle selector tool bit of circular knitter, the method for circular knitter and the needle for moving circular knitter - Google Patents

Abstract

A kind of needle selector tool bit of circular knitter, including：First group of needle selecting knife (203) and second group of needle selecting knife (204), each needle-selecting blade cutter head (203,204) include multiple needle-selecting blade cutter heads (205,206) continuously arranged along common axis line (K-K).Second group of needle selecting knife (204) and first group of needle selecting knife (203) along the common axis line (K-K) it is one after another arrange.First group of needle selecting knife (203) is configured to, if the needle syringe (2) of holding of the circular knitter (1) is generated relative to the relative rotation of driving cam (C) on the first direction of rotation (CCW), engaged with the tooth (35) of the selection piece group (9) of circular knitter (1).Second needle-selecting blade cutter head (204) is configured to, if the needle syringe (2) of holding of the circular knitter (1) is generated relative to the relative rotation of driving cam (C) on second direction of rotation (CW) opposite with the first direction of rotation (CCW), engaged with the tooth (35) of selection piece group (9).

Description

The needle selector tool bit of circular knitter, circular knitter and for moving round knitting The method of the needle of machine

Technical field

The present invention relates to the needle selector tool bit of circular knitter, circular knitter and needles for moving circular knitter Method.Particularly, the present invention relates to the mobile mechanisms for the needle.More particularly, it relates to a kind of element knot Structure, by will hold needle element and the relative rotary motion between triangle is driven to be converted to the specified axial movement of needle to drive State needle.

Background technology

As known, circular knitter has：Needle element (syringe and/or dials) is held, along circle on holding needle element Shape runway (circular bed) is provided with one piece or more pieces of needles；With the equipment of the movement of the easily controllable needle formed for knitted fabric. Equipment for controlling the needle for holding needle syringe includes the driving triangle around the cylinder itself setting, and is structured to grasp Make the driving device that triangle is connect by ground with the needle.These driving devices are also defined as " flat board member ", in the lower section quilt of needle It is inserted into the needle tray of the needle, and with the needle heel of the runway cooperation for being limited with the triangle.

It is known to constitute the runway that has triangle and is limited by triangle, so that the axial action of needle allows to make not weave, tuck And lopping.

For example, the application disclosure EP 1 620 590 and EP 1 620 591 of same Applicant disclose equipment There is the circular knitter with axial groove cylinder.Each needle of multiple needles is contained among one of the axial groove, and And when the cylinder rotates, interact with the needle also in the driving device in the axial groove, to cause its drive It is dynamic.Each the driving device of needle includes：The auxiliary needle being connect with respective needle can radially wobble in slot to there is choosing Make the needle of its own call in person with selecting coincide with the runway of driving triangle restriction；Pusher head, the pusher head have can with it is described auxiliary The top of the lower end engagement of needle, the pusher head can also coincide to the corresponding runway that driving triangle limits；Selection piece group, institute Stating selection piece group can swing in a radial plane so that the corresponding runway limited to driving triangle coincide, and the selection piece Group can pass through the device drives of selection, wherein the selection piece group have can with the lower part of the pusher head against it is upper Portion.It is noted that the runway for swinging selection piece group has a lifting height, promoted the selection piece group and and needle Pusher head together is to knocking over height, and another lifting height, needle is elevated a lesser degree and coil does not fall off shank collection Circle.Tuck lifting height is located at the upstream of lopping lifting height.In order to realize decline lopping, needle be maintained at by needle selection equipment or Then guiding connects to operating position to engage with needle heel thus first to be engaged with tuck lifting height with lopping lifting height It closes.The selection piece group engaged with tuck lifting height promotes pusher head, and the pusher head then declines, and thus causes auxiliary needle temporary When convert to inoperative position.It is another caused by selection piece group and lopping lifting height to be promoted so that needle is promoted to needle It knits after circle takes off a little.Later in order to realize that tuck lopping, selection piece group are only engaged with tuck lifting height.In this case, Do not promoted further.

Disclosure IT1203500 discloses the knitting machine for knitted fabric comprising rise cam, the starting three Angle has two runways that the needle for driving element is called in person, and then acts against on auxiliary needle and needle.This two runways are for leading to Often execute lopping lane number one with for execute tuck relative to lane number one to it is parallel and lower position second run Road.Each of the runway includes：Lifting height, basic horizontal length and decline length.When usually executing lopping, The needle heel of driving element engages with first (top) runway.The needle is promoted to a height so that preformed circle is fallen on On the bar of the needle.When executing tuck, the needle of driving element is called in person along second (lower section) runway.What the needle was promoted to Height will not be on the bar so as to preformed circle.

Invention content

In the structure of circular knitter those of as described above, applicants contemplate that there are some defects.

First, the application notices that known machine as described above has the size of prodigious axial direction and circumference, and These known machines cannot be fabricated to the diameter less than predetermined diameter, because it can not possibly be known drive means to do so The needle with such feature is provided for allowing to be knitted required total movement.

The applicant is it is further noted that in known arrangement, especially with minor diameter --- and such as less than 10 In the case of the knitting machine for holding needle syringe of inch (about 250mm), a large amount of way (feeds) (example can not possibly be introduced Such as, above-mentioned four) because there is no enough spaces around all cylinders of necessary driving device for accommodating.

The size of known machine has negative effect to rotary inertia at a pinch, can limit rotary speed and because This influences knitting speed.

The applicant is also noted that known machine as described above has the possibility movement of the needle of limited quantity, limitation life Production is flexible.

Particularly, the applicant is also noted that in known machine, allows selectively to make tuck or the triangle of lopping Structure taking up space along the circumferential development of cam jacket.This be related to the movement to being given to needle limitation and/or Limitation to the quantity of the yarn way for holding needle syringe for predetermined diameter.

Applicant noted that if there is circular knitter reciprocal rotation to rotate, i.e., if knitting machine works and leads to It crosses and is knitted around central shaft or rotary shaft (with clockwise and counterclockwise) syringe reciprocating rotation to be knitted relative to cam jacket Object, then these defects will be even worse.

Particularly, applicant noted that the scheme of text EP 1 620 590 and EP 1 620 591 result in：When When executing tuck, the needle heel for swinging selection piece group necessarily have to after tuck lifting height but lopping lifting height it It is preceding to be detached from corresponding runway (that is, retraction is within the barrel), so as not to check the lopping lifting height.This means that for selecting The space of needle equipment must obtain between two lifting heights, thereby increase the circumferentially disposed of triangle.There is reciprocating rotation Knitting machine in the case of, need the space in triangle both sides, in triangle limit lopping lifting height.

In this case, in all fields and/or in embodiment, based on an object of the present invention is to provide one Kind circular knitter wherein the knitting characteristic realized is same as the prior art, or also has more compared with the existing technology Knitting characteristic, the circular knitter with reduced size and allow with relatively small diameter such as less than 165mm come Produce fabric.

A kind of method another object of the present invention is to propose circular knitter and for moving needle allows to increase quilt Multiple movements of the needle are given to, to realize higher production chains, that is, to produce with different from each other more The different types of fabric of kind characteristic.

A kind of method another object of the present invention is to propose circular knitter and for moving needle, relative to existing Technology allows the quantity for increasing the yarn feeding point or (yarn feeding) way (feeds) that limit, the diameter for holding needle element identical.

Another object of the present invention is to propose that a kind of circular knitter, feature are simple and rational structure.

Another object of the present invention is to create the alternative of the prior art for implementing circular knitter, and/or Open new designability.

One object of the present invention also resides in the target for realizing the circular knitter with reciprocally swinging action.

The possible purpose of these and other can illustrate more preferably to be illustrated following, basically by according to appended One or more claims and according to following aspect and/or embodiment, more recombination, can also the claim The method of the circular knitter of combination and the mobile needle and realize.

In the specification and claims of the present invention, word "upper", "lower", " top " and " lower section " relate to And during Pivot axle is in the normal operating that vertical position and cylinder needle refer to upwards knitting machine arrangement.

In the specification and claims of the present invention, word " axial ", " circumference ", " radial " It is related to the central shaft.

The some aspects of the present invention are in following explanation.

On the one hand, the present invention relates to circular knitters comprising:Rack；Needle syringe is held, the needle syringe of holding is installed on In rack and with multiple longitudinal needle trays around the central shaft arrangement for holding needle syringe；Multiple needles, each needle are contained in phase The longitudinal needle tray answered；At least one fournisseur being operably associated with needle；Triangle is driven, is arranged around needle syringe is held, and And it is removable relative to the needle syringe of holding around central shaft, to cause or allow needle along the movement of longitudinal needle tray, so that Realize that coil is formed by the needle；For the drive chain of each needle, it is inserted into corresponding longitudinal needle tray, is located at respective needle Lower section, and it is operationally positioned between corresponding needle and the driving triangle.

On the one hand, the drive chain includes：Auxiliary needle, needle arranged beneath and be preferably slidably arranged in In corresponding longitudinal direction needle tray.

On the one hand, the drive chain includes:In the selection piece group of the arranged beneath of auxiliary needle, with it is at least one Radially movable corresponding needle heel between operating position and inoperative position, at operating position, the needle heel be selected with Just engage with the corresponding selection piece group runway that selection piece group triangle limits；At inoperative position, needle heel retraction so as to Do not engage with the selection piece group runway.Preferably, selection piece group is at least partly slidably arranged on corresponding longitudinal needle tray In.

On the one hand, the knitting machine includes：At least one needle selection equipment acts on the choosing later according to control Faller gill group, for being transformed into or being maintained at operating position or inoperative position by selection piece group.

On the one hand, the drive chain includes：Pusher head is slided between auxiliary needle and selection piece group, wherein is pushed The lower part of head is engaged with selection piece group, and the top of pusher head is engaged with auxiliary needle, wherein and pusher head is called in person with corresponding needle, The needle heel can engage with the corresponding pusher head runway limited by pusher head triangle.Preferably, pusher head is slidably disposed In corresponding longitudinal needle tray.

On the one hand, as reference with the drive chain that is rotated in a rotational direction around central shaft relative to driving triangle, it pushes away Dynamic head runway includes the tuck needle rise cam and knocking over needle rise cam for each fournisseur, and knocking over needle starting three Prior to the entrance of tuck needle rise cam on the entrance at angle is circumferential.

On the one hand, selection piece group runway includes single track, and what restriction was continuously arranged each other is used for each fournisseur First the second rise cam of starting trigonometric sum.

On the one hand, prior to the second rise cam in the first rise cam circumferential direction.

On the one hand, the first rise cam " is operatively associated with " knocking over needle rise cam, and the second rise cam It is operatively associated with tuck needle rise cam.

With reference to knocking over needle rise cam, the second rise cam, tuck needle rise cam, the first rise cam it is " operable Ground is associated with " mean the corresponding knocking over needle rise cam of the first rise cam close to identical straight line, the straight line is flat with central shaft Row and the circumferential surface being located at where triangle, and it is also used for the second rise cam and corresponding tuck needle rise cam. In other words, needle and corresponding drive chain, when they are close to the first rise cam, also close to corresponding knocking over needle starting three Angle.Needle and corresponding drive chain, when they are close to the second rise cam, also close to corresponding tuck needle rise cam.Cause This, the selection piece group of drive chain is closed with the first starting connection delta, and the pusher head of same drive chain is engaged in or will be engaged in de- Needle rise cam is enclosed, and when the selection piece group of drive chain engages the second rise cam, the pusher head engagement of same drive chain Or tuck needle rise cam will be incorporated into.

Applicants have discovered that the present invention allows to solve the problems, such as that the needle movement limitation caused by knitting machine size is related, It is achieved that desired object.

Particularly, applicants have discovered that, the present invention allows mobile needle to form tuck or lopping, they limit special In the circumferential progress of the triangle of these movements.

This feature allows to provide the axial direction for providing the needle more done more physical exercises compared with the existing technology and/or reducing cylinder and triangle With circumferential movement, the needle movement of realization is identical.This allow that with smaller diameter and/or with many spies different from each other It puts to make fabric, and/or reduces the inertia of syringe and therefore increase operating rate.

In fact, be easier to understand as described in detail below, the F-SP of selection piece group runway, the second starting three Angle (being operatively associated with tuck needle rise cam) follows and (is located at downstream) the first rise cam (to be operatively associated with Knocking over needle rise cam), and pusher head runway F-SP, tuck needle rise cam follows knocking over needle rise cam, permits Permitted to make needle in the circumferential space of limitation and executes in a manner of simpler and is faster tuck and lopping.

Other aspects of the present invention are specific as follows.

On the one hand, the entrance of knocking over needle rise cam is directly preceding (that is, positioned at immediately upstream) tuck needle rise cam Entrance.By advancing forward relative to triangle, each needle and corresponding drive chain initially encounter entering for knocking over needle rise cam Mouth and the then entrance of tuck needle rise cam." directly preceding " means between two entrances not for pushing Other entrances or runway of scalp acupuncture heel.

On the one hand, the outlet of knocking over needle rise cam is directly preceding (that is, positioned at immediately upstream) tuck needle rise cam Outlet." directly preceding " means between the outlet described in two not other outlets for pushing scalp acupuncture to call in person or runway.

On the one hand, fournisseur follows the corresponding of (that is, be located at downstream) tuck needle rise cam and knocking over needle rise cam Maximum height point.

On the one hand, tuck needle rise cam and knocking over needle rise cam are in progress parallel or substantially parallel to each otherly.It is preferred that Ground but unnecessary, knocking over needle rise cam and tuck needle rise cam slope having the same.

On the one hand, the entrance of knocking over needle rise cam and the entrance of tuck needle rise cam are from basic runway bifurcated.It is excellent Selection of land, the basic runway are located at constant axial height, i.e., it is a circle.

On the one hand, the maximum height of knocking over needle rise cam is higher than the maximum height of tuck needle rise cam.

On the one hand, the axially extending of knocking over needle rise cam is longer than the axially extending of tuck needle rise cam.

On the one hand, the circumferentially extending of knocking over needle rise cam is longer than the circumferentially extending of tuck needle rise cam.

On the one hand, the length of knocking over needle rise cam is longer than the length of tuck needle rise cam.

On the one hand, tuck needle rise cam and knocking over needle rise cam after corresponding maximum height point (i.e. downstream) that This is overlapped.

On the one hand, when tuck needle rise cam tuck pusher head runway a part, and knocking over needle rise cam is Decline a part for stitch pusher head runway.

On the one hand, the tuck pusher head runway and decline stitch pusher head runway are in corresponding tuck needle rise cam (i.e. downstream) merges after knocking over needle rise cam.

On the one hand, declining stitch pusher head runway has the length of basic horizontal, after knocking over needle rise cam (i.e. downstream).

On the one hand, declining stitch pusher head runway, there is knocking over needle to drop needle triangle, and basic horizontal length is connected to The outlet of tuck needle rise cam.

On the one hand, the fournisseur opposite with the associated pusher head runway of each fournisseur is symmetrical.

On the one hand, pusher head runway includes the tuck and knocking over needle rise cam for the first couple being connect with each fournisseur Tuck with second pair and knocking over.

On the one hand, described first pair and second pair of upward slope is arranged symmetrically relative to the fournisseur.

On the one hand, first and second pairs of tuck and knocking over needle rise cam are merged into and are pushed away with what corresponding fournisseur was aligned The intermediate region of dynamic head runway.

On the one hand, single track is at least one shield needle triangle section with peak and bottom-valley.

On the one hand, the shield needle triangle section includes first the second rise cam of starting trigonometric sum.

On the one hand, the first rise cam is axially extending substantially axially extending identical with the second rise cam.

On the one hand, the circumferentially extending of the first rise cam is essentially identical with the circumferentially extending of the second rise cam.

On the one hand, first the second rise cam of starting trigonometric sum is in progress with being substantially parallel to each other.

On the one hand, knocking over needle rise cam deviates in the circumferential relative to corresponding first rise cam.

On the one hand, tuck needle rise cam deviates in the circumferential relative to the second rise cam.

On the one hand, the first rise cam is preposition in the circumferential relative to knocking over needle rise cam.

On the one hand, the maximum height of the first rise cam is in the circumferential prior to the entrance of corresponding knocking over needle rise cam.

On the one hand, the second rise cam is preposition in the circumferential relative to tuck needle rise cam.

On the one hand, the bottom of the second rise cam is in the circumferential prior to the entrance of corresponding tuck needle rise cam.

On the one hand, the maximum height of the second rise cam is high prior to the maximum of corresponding tuck needle rise cam in the circumferential Degree.

On the one hand, the entrance of the needle heel of the selection piece group in protecting needle triangle section is limited to the bottom of shield needle triangle section Paddy.

On the one hand, shield needle triangle section includes the first drop needle triangle, wherein the first drop needle triangle is in the first rise cam And second between rise cam.

On the one hand, shield needle triangle section includes following and (being located at downstream) the second drop needle triangle of the second rise cam.Choosing Therefore the needle heel of faller gill group can be slided in single track, pass through the first rise cam, the first drop needle three in a continuous manner Angle, the second rise cam and the second drop needle triangle.

On the one hand, the bottom of the first rise cam is limited in the entrance of the needle heel of the selection piece group of shield needle triangle section On upper and the second rise cam bottom.

On the one hand, the first starting point of the needle heel of the selection piece group in protecting needle triangle section is limited to the first rise cam Bottom on.

On the one hand, the second starting point of the needle heel of the selection piece group in protecting needle triangle section is limited to the second rise cam Bottom on.

On the one hand, single track has the noncontrolled area for each fournisseur and is configured to make corresponding needle heel diameter To leaving the single track.As a result, the needle heel of the axial wobble element of selection piece group is left single track and is entered and accommodates Drive chain is held in longitudinal needle tray of needle syringe.

On the one hand, fournisseur is located at corresponding noncontrolled area.

On the one hand, noncontrolled area follows (that is, being located at downstream) the second drop needle triangle.

On the one hand, there is at least one exit ramp, chamfering inclined-plane to limit and in single track for the noncontrolled area Bottom surface and radially outer side surface between extend.The needle heel of selection piece group is advanced into exit region, until going out Mouth ramp, and slided on the inclined-plane, then move radially inwardly.

On the one hand, noncontrolled area is symmetrical about corresponding fournisseur.

On the one hand, noncontrolled area has two exit ramps positioned at opposite end.

On the one hand, single track includes the shield needle triangle section for being arranged in noncontrolled area both sides.

On the one hand, knitting machine includes at least two fournisseurs.

On the one hand, single track includes protecting needle triangle sections with the associated noncontrolled area of each fournisseur and at least two, Each shield needle triangle section is located at each other between circumferential a sequence of two noncontrolled areas..

On the one hand, shield needle triangle section is symmetrical about intermediate axial straight line, and the intermediate axial straight line, which is located in circumferential direction, to be connect Intermediate position between two fournisseurs even.

On the one hand, shield needle triangle section includes high point among starting, and it is symmetrical to preferably pertain to intermediate axial straight line.

On the one hand, shield needle triangle section includes both sides high point, is arranged in the both sides of high point among starting, and a side is convex Act the side for being located at high point among starting.

On the one hand, there are two bottom-valley, each bottom-valley is defined among starting between high point and every side protrusion.

On the one hand, high point has two sides among starting, wherein with relative to driving triangle around central shaft with counterclockwise As reference, the first side in two sides is limited to the first rise cam, two sides to the drive chain of direction of rotation rotation In second side be limited to the first drop needle triangle, wherein the first needle trigonometric sum first drop needle triangle be the first yarn feeding Device works.

On the one hand, with relative to driving triangle around central shaft to rotate clockwise drive chain that direction rotates as joining It examines, the second side in two sides limits the first rise cam, and the first side in two sides limits the first drop needle three Angle, wherein it is the second fournisseur work for being adjacent to the first fournisseur that needle triangle drops in the first starting trigonometric sum first.

On the one hand, with relative to driving triangle around central shaft to rotate clockwise drive chain that direction rotates as joining It examines, one of both sides high point limits the second rise cam and the second drop needle triangle, wherein second rise cam and second Needle triangle is dropped to work for the first fournisseur.

On the one hand, with relative to driving triangle around central shaft using the drive chain that direction of rotation counterclockwise rotate as join It examines, another of both sides high point limits the second rise cam and the second drop needle triangle, wherein second rise cam and second Drop needle triangle is the second fournisseur work for being adjacent to the first fournisseur.

Shield needle triangle section between two adjacent fournisseurs works for fournisseur, and the fournisseur is relative to needle and drive The movement of dynamic chain follows (that is, being arranged in downstream) to protect needle triangle section, due to holding the rotation of needle syringe in a predetermined direction, needle and Drive chain is slided relative to triangle.When reversion rotation direction, needle and drive chain are also inverted relative to the moving direction of triangle, together One shield needle triangle section works for another fournisseur.

On the one hand, at least one needle selection equipment is located between two a sequence of fournisseurs.

On the one hand, knitting machine includes at least two fournisseurs and at least two needle selection equipment, each needle selection equipment position Between two a sequence of fournisseurs.

On the one hand, at least one needle selection equipment is located at corresponding shield needle triangle section.

On the one hand, needle selection equipment includes two drivers being juxtaposed to each other in circumferential direction.

On the one hand, two drivers are located between two a sequence of fournisseurs.

On the one hand, each driver is located at the corresponding bottom-valley (or lowland) limited by shield needle triangle section, is preferably rising Among needle between each side protrusion of high point.

On the one hand, driver is magnetic type or piezo-electric type.

On the one hand, driver is needle-selecting blade cutter head type.

On the one hand, driver includes multiple needle-selecting blade cutter heads.

On the one hand, each needle-selecting blade cutter head can between the first position and the second position be moved according to control, excellent The each needle-selecting blade cutter head of selection of land can be vertically moved according to control between lifting position and down position.

On the one hand, driver includes multiple needle-selecting blade cutter heads, and each needle-selecting blade cutter head is according to control around trunnion axis It swings.

On the one hand, needle-selecting blade cutter head driver (needle selector tool bit) includes first group of needle selecting knife and second group of needle selection Knife.

On the one hand, each needle selecting knife includes multiple needle-selecting blade cutter heads, and the multiple needle-selecting blade cutter head is continuous each other Ground arranges along common axis, preferably along vertical line overlap and is aligned.

On the one hand, second group of needle selecting knife and first group of needle selecting knife are continuously arranged along common axis, preferably Second group of needle selecting knife is axially located on first group of needle selecting knife.

On the one hand, if first group of needle selecting knife is configured to hold needle syringe and is rotated in the first rotation relative to driving triangle Direction preferably occurs in the counterclockwise direction, then operates, i.e. the tooth engagement with the selection piece group of circular knitter.

On the one hand, if second group of needle selecting knife is configured to hold needle syringe and is rotated in the second rotation relative to driving triangle Direction preferably occurs in the clockwise direction, then operates, i.e. the tooth engagement with selection piece group.

On the one hand, as reference with the symmetrical plane where common axis line, the needle-selecting blade cutter head of first group of needle selecting knife With the needle-selecting blade insert symmetry of second group of needle selecting knife.

On the one hand, each needle-selecting blade cutter head is symmetrical about vertical axis.

On the one hand, the needle-selecting blade insert symmetry of the needle-selecting blade cutter head and second group of needle selecting knife of first group of needle selecting knife.

On the one hand, the needle-selecting blade cutter head of first group of needle selecting knife can be moved together all.

On the one hand, the needle-selecting blade cutter head of first group of needle selecting knife can around with common axis vertical take-off respective axis, It is preferred that being moved around corresponding horizontal axis.

On the one hand, the needle-selecting blade cutter head of second group of needle selecting knife can be moved together all.

On the one hand, the needle-selecting blade cutter head of second group of needle selecting knife can around with common axis vertical take-off respective axis, It is preferred that being moved around corresponding horizontal axis.

On the one hand, first group of needle selecting knife and second group of needle selecting knife can move independently of one another.

On the one hand, the needle-selecting blade cutter head of first group of needle selecting knife can be independently of the needle-selecting blade knife of second group of needle selecting knife Head is mobile.

On the one hand, the needle-selecting blade cutter head of first group of needle selecting knife has for corresponding first engagement of the tooth of selection piece group Face.

On the one hand, the needle-selecting blade cutter head of second group of needle selecting knife has for corresponding second engagement of the tooth of selection piece group Face.

On the one hand, the first joint surface and the second joint surface tilt in the opposite direction.

On the one hand, the first joint surface is located relative to inclined first common plane of symmetrical plane, or relative to right Claim inclined first plane of plane.

On the one hand, the second joint surface is located relative to inclined second common plane of the symmetrical plane, or opposite In inclined second plane of symmetrical plane.

On the one hand, the anti-direction of the phase (offside) of the first joint surface and the second joint surface towards symmetrical plane tilts.

In an independent aspects, the present invention relates to the needle selecting knifes for circular knitter according to one or more above-mentioned aspects Piece cutter head driver (needle selector tool bit), wherein the driver can be used in the knitting machine for being described herein and requiring, with And other circular knitters of spinning movement are changed for preferably band.

In an independent aspects, the invention further relates to the circular knitters that preferably band changes spinning movement comprising extremely A few driver according to said one or multiple aspects.

In an independent aspects, the invention further relates to the circular knitters that preferably band changes spinning movement comprising： Needle syringe is held, with multiple longitudinal needle trays, the longitudinal direction needle tray surrounds the central shaft arrangement for holding needle syringe；Multiple needles, each Needle is all contained in corresponding longitudinal needle tray；At least one fournisseur, is operationally associated with needle；Triangle is driven, surrounds and holds Needle syringe is arranged, and is moved relative to the needle syringe of holding around central shaft, to cause or allow needle along longitudinal needle tray Movement so that by the needle realize coil formed；For the drive chain of each needle, it is inserted into corresponding longitudinal needle tray, Positioned at the lower section of respective needle, and it is operationally positioned between corresponding needle and the driving triangle；

Wherein, the drive chain includes：Selection piece group is arranged in the lower section of auxiliary needle, is working at least one Radially movable corresponding needle heel between position and inoperative position, at operating position, the needle heel be selected so as to The corresponding selection piece group runway engaging that selection piece group triangle limits；At inoperative position, needle heel retraction so as not to The selection piece group runway engaging.

On the one hand, the knitting machine includes at least one needle selection equipment, according to the selection piece group is acted on, is used In being transformed into or be maintained at operating position or inoperative position by selection piece group.

Wherein, needle selection equipment includes at least one driver according to an above-mentioned aspect.

On the one hand, each first group of needle selecting knife of two drivers is configured to, if holding needle syringe relative to drive The rotation of dynamic triangle in the first rotational direction, i.e. occurs in the counterclockwise direction, then with the tooth engagement of selection piece group.

On the one hand, each second group of needle selecting knife of two drivers is configured to, if holding needle syringe relative to drive Dynamic triangle is rotated on the second direction of rotation opposite with the first direction of rotation, occurs in the clockwise direction, then with choosing The tooth engagement of faller gill group.

Applicants have discovered that driver according to the present invention, it comprises in the clockwise direction in counter clockwise direction all Operable needle-selecting blade cutter head, this allow that knitting machine size is further decreased, because installation acts on the drive of selection piece group The space smaller between two fournisseurs needed for dynamic device.

On the one hand, the present invention relates to the methods for moving circular knitter, wherein the knitting machine is according to above-mentioned one A or many aspects and/or appended claims and manufacture.

On the one hand, the method includes：Cause to hold needle syringe and drives the relative rotation between triangle.

On the one hand, the method includes:

The needle heel of selection piece group is snap-fited into the first starting point being arranged on the bottom of the first rise cam；

Selection piece group is promoted by the sliding of the relative rotation and the heel of subsequent respective needle in the first rise cam；

The thrust axially upwards that is formed by selection piece group promotes pusher head, until the needle heel of pusher head rises with knocking over needle Needle triangle engages；

It is further promoted and is pushed away by the sliding of the relative rotation and the heel of subsequent respective needle in knocking over needle rise cam Dynamic head, so as to lift pins and forms decline stitch；

Wherein, pusher head leaves selection piece group when being promoted；

Wherein, when pusher head is promoted and is slided in knocking over needle rise cam, the needle of selection piece group is called in person in single track Middle movement, the second rise cam of also passing by.

On the one hand, the method includes：:

The needle heel of selection piece group is snap-fited into the second starting point being arranged on the bottom of the second rise cam；

Selection piece group is promoted by the sliding of the relative rotation and the heel of subsequent respective needle in the second rise cam；

The thrust axially upwards that is formed by selection piece group promotes pusher head, until the needle heel of pusher head rises with tuck needle Needle triangle engages；

It is further promoted and is pushed away by the sliding of the relative rotation and the heel of subsequent respective needle in tuck needle rise cam Dynamic head, so as to lift pins and forms tuck.

On the one hand, after the second rise cam of passing by, the heel of the needle of selection piece group pass by the second drop needle triangle and into Enter noncontrolled area.

On the one hand, the needle heel of selection piece group is passed by noncontrolled area, until its with exit ramp against middle outlet slope Road causes respective needle heel to depart radially from single track.Needle heel radially close to rotary shaft and backs into receiving drive chain Hold in the corresponding needle tray of needle syringe.

On the one hand, it is rotated with direction of rotation counterclockwise relative to driving triangle if holding needle syringe, the needle of selection piece group The first Slideslip of high point among starting of calling in person is snapped into and the first yarn feeding to promote pusher head until the needle of pusher head is called in person In the related knocking over needle rise cam of device or the needle of selection piece group heel one side protrusion the first Slideslip, so as to Pusher head is promoted, until the needle heel of pusher head is snapped into tuck needle rise cam related with the first fournisseur.

On the one hand, it is rotated relative to driving triangle with rotating clockwise direction if holding needle syringe, the needle of selection piece group The second Slideslip of high point among starting of calling in person is snapped into and the second yarn feeding to promote pusher head until the needle of pusher head is called in person In the related knocking over needle rise cam of device or the needle of selection piece group heel one side protrusion the second Slideslip, so as to Pusher head is promoted, until the needle heel of pusher head is snapped into tuck needle rise cam related with the second fournisseur.

On the one hand, the method includes:(cylinder) needle selection equipment acts on selection piece group, is moved so that respective needle is called in person To or be maintained at operating position or inoperative position.

On the one hand, if the relative rotation for holding needle syringe relative to driving triangle in the first rotational direction, preferably exists Occur in counter clockwise direction, the tooth engagement of first group of needle selecting knife and selection piece group of at least one driver.

On the one hand, if the relative rotation for holding needle syringe relative to driving triangle in a second rotational direction, preferably exists Occur clockwise, the tooth engagement of second group of needle selecting knife and selection piece group of at least one driver.

On the one hand, if hold needle syringe relative to driving triangle in the first rotational direction, preferably in the counterclockwise direction Upper rotation, then the first driver act on selection piece group, for make needle heel be snapped into the first starting point and in the case where fournisseur is formed Stitch drops, and the second driver acts on selection piece group, for the needle not engaged before with the first driver heel to be snapped into Second starting point and form tuck on the fournisseur.

On the one hand, if hold needle syringe relative to driving triangle in the first rotational direction, preferably in the counterclockwise direction Upper rotation, then the first of the first driver group needle selecting knife act on selection piece group, for make needle heel be snapped into the first starting point simultaneously Knocking over is formed in fournisseur, and first group of needle selecting knife of the second driver acts on selection piece group, for needle heel to be snapped into Second starting point and form tuck on the fournisseur.

On the one hand, if hold needle syringe relative to driving triangle in a second rotational direction, preferably in the clockwise direction Upper rotation, then the second driver act on selection piece group, for making needle heel be snapped into the second starting point and different neighbouring Fournisseur forms knocking over, and the first driver acts on selection piece group, the needle for that will not engage before with the second driver Heel is snapped into the first starting point and forms tuck on the different neighbouring fournisseur.

On the one hand, if hold needle syringe relative to driving triangle in a second rotational direction, preferably in the clockwise direction Upper rotation, then the second of the second driver group needle selecting knife act on selection piece group, for make needle heel be snapped into the second starting point simultaneously Knocking over is formed in different neighbouring fournisseurs, and second group of needle selecting knife of the first driver acts on selection piece group, is used for Needle heel is snapped into the first starting point and forms tuck on the different neighbouring fournisseur.

On the one hand, auxiliary needle set has needle heel, wherein needle heel can radially operating position and inoperative position it Between move, when being located at operating position, needle heel is selected, so that the respective secondary needle runway limited with auxiliary needle triangle engages simultaneously And cause the driving of needle and coil to be formed, when being located at inoperative position, needle heel retraction so as not to the auxiliary needle runway card It closes.

On the one hand, the drive chain includes：Driving element is slidably disposed between auxiliary needle and selection piece group In corresponding longitudinal direction needle tray, wherein driving element can in the height direction be moved relative to pusher head and auxiliary needle, and energy It is enough operationally to be engaged with auxiliary needle to be transformed into the heel of the needle of auxiliary needle and to be maintained at corresponding operating position.

Particularly, applicants have discovered that, the driving element that can move freely relative to pusher head and auxiliary needle allows to determine Sizing to extraction/insertion where and when occur, no matter the axial position of pusher head and/or selection piece group.

In other words, pusher head pushes up auxiliary needle and needle and need not cause auxiliary needle moves radially needle heel never work every time It is converted to operating position as position, because the conversion is caused by driving element.

Moreover, for example, the needle can be moved to the higher bar in inoperative position, it need not to execute transfer position The relatively low element in shift position, such as especially selection piece group and/or pusher head.

Scheme according to the present invention allows the extraction for controlling needle heel, no matter the axial position of pusher head and/or selection piece group It sets, the present invention is especially effective during enclosing formation online." coil is formed " means working stage, and in working stage, needle is caught on newly It yarn and pulls down, the syringe needle until the old stitch (being formed) as needle drop result is passed by under syringe needle before causes completeness At lopping.

In one aspect of the invention, during needle drops, in particular, in that during coil forms corresponding needle depression of order section, auxiliary needle Needle heel be converted to and be maintained at the operating position.

On the one hand, auxiliary needle, pusher head, selection piece group and driving element are flat board member.Drive chain is known as " stretched wire Line " and there is the above-mentioned flat board member for being slidably inserted into longitudinal needle tray to make.

On the one hand, drive chain is structured to the axial movement of needle and/or auxiliary needle and pusher head and/or driving element And/or the axial movement separation of selection piece group.

On the one hand, drive chain is structured to the axial movement of driving element and pusher head and/or needle and/or choosing The axial movement of faller gill group detaches.

On the one hand, drive chain is structured to the radial direction of the axial movement and auxiliary needle of pusher head and/or selection piece group The driving of mobile needle heel/stopping separation.

On the one hand, auxiliary needle and needle integral production are formed.

In terms of different, auxiliary needle and needle are discrete element.

On the one hand, the upper end of auxiliary needle is engaged with needle, is preferably engaged by two sides and/or hinge restraining.

On the one hand, auxiliary needle includes the support portion with respective needle heel.

On the one hand, driving element can be engaged operatively with support portion.

On the one hand, the support portion can flexibly move between the first construction and the second construction, first structure The operating position corresponding to needle heel is made, second construction corresponds to the inoperative position of needle heel.

Applicant have also found that elastic driving allow for relative to known by swinging hard element and/or passing through Rotate the needle for moving more effective and safer mode and move auxiliary needle (not working needle) that entire needle and/or auxiliary needle obtain Heel.

On the one hand, in the inoperative position of needle heel, support portion is called in person to needle applies elastic restoring force

On the one hand, in the inoperative position of needle heel, the elastic force keeps support portion and the heel of corresponding needle to be in In corresponding needle tray.

Applicant have also found that elastic restoring force ensures the inoperative position being radially retracted in a manner of safely and effectively.

On the one hand, the elastic force is resisted, driving element is converted and needle is kept to arrive upon the heels of another corresponding operating position.

In other words, needle heel is maintained at not work due to elastic restoring force when driven element is not engaged or squeezed for it Make position, is only actively moved to operating position by driving element.

On the one hand, support portion includes extending preferably elastic rod outstanding towards driving element.Elastic force is by the elasticity Bar is given.

On the one hand, elastic rod is in needle tray.

On the one hand, elastic rod extends in an essentially parallel manner with axial.

On the one hand, auxiliary needle includes main body, and elastic rod extends and protruded from the main body.

On the one hand, support portion is included in the lower part of the distal end of elastic rod, wherein the lower bands have the needle of auxiliary needle to call in person.

On the one hand, auxiliary needle includes holding element, and the holding element is located at position relative to the lower part, The radial stroke that needle to limit auxiliary needle is called in person.

On the one hand, the holding element limited by the axially extending amount of auxiliary needle formed from main body and preferably with elasticity Bar is substantially parallel.

When static, the elasticity of the elastic rod of auxiliary needle will move radially needle heel and be maintained at inoperative position, thus make needle not Operation.The needle heel of auxiliary needle must drive to form coil by needle.Therefore, needle heel is not free and is held in needle Slot it is inner or outer.

On the one hand, auxiliary needle includes auxiliary needle heel.

On the one hand, auxiliary needle heel is radially extended from the main body of auxiliary needle.

On the one hand, assist auxiliary needle triangle to limit and assist auxiliary needle runway, and the auxiliary needle heel of auxiliary needle can with it is described auxiliary Auxiliary needle runway is helped to engage.

On the one hand, auxiliary needle set has the contact surface for being axially directed to pusher head.

On the one hand, the contact surface is located near the upper end of auxiliary needle.

On the one hand, position of the pusher head relative to driving element and auxiliary needle at least partly parallelly and in radial direction more in the inner part Set extension.

On the one hand, pusher head leans against in the bottom surface of corresponding needle tray.

On the one hand, driving element and auxiliary needle radially lean against in pusher head.

On the one hand, pusher head includes elongated preferably rodlike top, and lower part or bottom positioned at the lower end of elongate portion Foot.

On the one hand, driving element and auxiliary needle radially lean against in elongate portion.

On the one hand, in the second construction of support portion, the support portion radially and at least partly against pusher head, Preferably against the elongate portion of pusher head.

On the one hand, the lower part of pusher head has the contact surface for being directed toward driving element.

On the one hand, the top of pusher head, the distal end on preferred elongated top preferably can axially be stood with unilateral side Mode is engaged with the contact surface of auxiliary needle.

In the composition of the present invention, term " unilateral axial stand " means connection between two elements mechanically or about Beam, wherein first element with first element to together with the movement of second element, causes to the axis thrust of second element Corresponding mobile (together with the first element entirety) of two element, and movement of the first element far from second element causes two elements Separation, and second element need not be removed, vice versa.In other words, it is this constraint by first element to second yuan The mode contacted between two elements when part moves is kept, and it can be in first element with relative to second element opposite direction Cancel when mobile, two elements separate in the case.

On the one hand, the lower part of pusher head is preferably directed towards selection piece group contact surface, can be connect with the selection piece group It closes, especially by unilateral axial standing mode.

On the one hand, the needle heel of pusher head is radially extended from the lower part of the pusher head.

On the one hand, driving element is with the upper end preferably with inclined surface.The upper end, the preferably described inclination Surface coordinates with the lower part of support portion, and the elastic force to resist support portion application converts the needle heel of auxiliary needle to corresponding work Make position.

On the one hand, inclined surface is radially directed towards outside.

On the one hand, the lower part of support portion has inclined surface, and the inclined surface is towards the upper end of driving element and structure It makes to be matched with the inclined surface of the driving element.

On the one hand, driving element has tip, and the tip is structured to receive at least part of the lower part And the needle of auxiliary needle is kept to call in person in corresponding operating position and/or the axial auxiliary needle of pushing and pressing.

On the one hand, the tip be located at driving element the upper end and the preferably lower part of support portion it is anti- Shape.

On the one hand, the tip is formed from the inclined surface of driving element in a continuous manner.

On the one hand, driving element have lower end, the lower end can preferably by unilateral side axially stand in a manner of and pusher head Contact surface engagement.

On the one hand, driving element is called in person with corresponding needle.

On the one hand, driving element triangle limits driving element runway, and the needle heel of driving element can be with the drive Dynamic element runway engaging.

On the one hand, the needle heel of driving element is radially extended from the axial intermediate region of driving element.

On the one hand, selection piece group includes the axial wobble element being slidably arranged in corresponding longitudinal needle tray.

On the one hand, the axial wobble element of selection piece group is called in person with corresponding needle.

On the one hand, selection piece group is called in person with auxiliary needle.

On the one hand, the axial wobble element of selection piece group is called in person with corresponding auxiliary needle.

On the one hand, auxiliary drive selection piece group triangle limits auxiliary selection piece group runway, and the auxiliary of selection piece group Needle heel can engage with the auxiliary selection piece group diameter.

On the one hand, selection piece group includes the axial restraint element that needle selection equipment can engage, wherein axial restraint element Be operably engaged by axial wobble element, so as to operating position and inoperative position radially move the heel of corresponding needle and Auxiliary needle heel (if present).

On the one hand, axial restraint element is swung by the influence of needle selection equipment.

On the one hand, axial wobble element is swung by the influence of axial restraint element.

On the one hand, axial restraint element includes multiple teeth radially, and the tooth can be by selectively setting with needle selection Standby engagement.

On the one hand, axial restraint element is not present, and the needle selection equipment of preferably magnetic type directly acts on axial direction Swing element.

On the one hand, auxiliary needle auxiliary needle heel, pusher head needle heel and driving element needle heel move in the axial direction and It fixes radially.

On the one hand, the needle heel of selection piece group and the auxiliary needle heel of selection piece group are moved and radially in the axial direction It is mobile.

On the one hand, when moving radially needle heel in inoperative position, the range of auxiliary needle and needle is longer than pusher head Range.

On the one hand, the range ratio of auxiliary needle and needle when moving radially needle heel and being in operating position is moving radially needle The range of auxiliary needle and needle when heel is in inoperative position is short.

On the one hand, the range of pusher head is longer than the range of the axial wobble element of selection piece group.

On the one hand, the range of auxiliary needle and needle is selection piece group when moving radially needle heel in inoperative position Three times of range of axial wobble element.

On the one hand, the range of auxiliary needle and needle is about pushed when moving radially needle heel in inoperative position 1,2 times of the range of head.

On the one hand, holding needle syringe has reference diameter, is less than about 200mm, preferably less than about 100mm." reference diameter " Mean the diameter measured in the bottom surface of the fixed axial needle tray of the outer face of cylinder, wherein slidingly receive Needle.In the technical field of circular knitter, the bottom surface of needle tray is referred to as bottom surface；Reference diameter is therefore according to the bottom surface It determines.

On the one hand, round machine has multiple yarn feeding points (way), and yarn feeding point is more than one, or preferably more than two, or It is preferred that four or more.

On the one hand, the present invention relates to the needle methods for moving circular knitter, wherein the knitting machine preferably root One or more aspects and/or one or more appended claims and/or embodiment are gone up according to this and are manufactured.

This is used to move needle method of circular knitter:Moved radially between operating position and inoperative position with The needle heel of the auxiliary needle of respective needle engagement, in operating position, needle heel is selected to run with the corresponding auxiliary needle that auxiliary needle triangle limits Road engages and the driving of needle and coil is caused to be formed, in inoperative position, needle heel retraction so as not to the auxiliary needle runway card It closes；The needle heel of wherein auxiliary needle is moved radially by corresponding between auxiliary needle and the driving element being axially located below auxiliary needle Axial movement causes；Axis of the wherein corresponding axial movement at least in some steps with pusher head and/or selection piece group To movement separation/independence, the selection piece group is arranged in the lower section of needle and is operably driven by needle selection equipment, and needle selection is set It is standby that the selection piece group is acted on according to control.

On the one hand, during the relative motion between auxiliary needle and driving element, the upper end of driving element, preferred angled Surface, the support portion called in person with the needle of auxiliary needle coordinate.

On the one hand, substantially radial elastic force acts on the support portion of needle heel of auxiliary needle, to keep needle heel to be located at not work Make position.

On the one hand, in the mobile period from inoperative position to operating position, elastic force is resisted in the upper end of driving element And it acts on.

On the one hand, in the mobile period from inoperative position to operating position, the upper end of driving element, which is inserted in, holds needle needle Between the support portion of the needle of cylinder and auxiliary needle heel (special, to be inserted between the top of needle heel and the support portion of the needle heel of auxiliary needle).

On the one hand, elastic force makes needle heel be restored to inoperative position from operating position.

On the one hand, it in the needle heel for moving radially auxiliary needle the step of, during dropping needle, is especially formed pair with coil The drop stitching rapid period answered, the needle heel are converted to or are maintained at the operating position.

On the one hand, pusher head axially pushes up driving element, until needle heel and the (driving element of driving element Triangle) engagement of driving element triangle, and then the pusher head leaves the driving element.

On the one hand, the pusher head triangle that the needle of pusher head is called in person engaged axially upwardly or downwardly guides the promotion Head.

On the one hand, the engaged auxiliary needle triangle of auxiliary of the auxiliary needle heel of auxiliary needle axially downwardly guides the auxiliary needle, and drives The driving element triangle that the needle heel of dynamic element is engaged boots up driving element, until the upper end of driving element, which is inserted into, holds needle Between the support portion of the needle of syringe and auxiliary needle heel.

On the one hand, the engaged auxiliary needle triangle of auxiliary of the auxiliary needle heel of auxiliary needle axially boots up the auxiliary needle, and drives Dynamic element triangle guides downwards driving element, until the lower section for the support portion that the upper end of driving element is called in person from the needle of auxiliary needle is taken out.

On the one hand, pusher head directly pushes against auxiliary needle to be booted up.

On the one hand, selection piece group, preferably the axial wobble element of selection piece group, push pusher head axially upwards, until The needle heel of pusher head engages with pusher head triangle, and subsequently departs from pusher head.

On the one hand, the auxiliary needle heel institute of the engaged selection piece group triangle and/or selection piece group of needle heel of selection piece group The auxiliary drive selection piece group triangle of engaging, guides the selection piece group axially upwards or downwards.

On the one hand, the axial wobble element of the axial restraint element radial push selection piece group of selection piece group, to make It swings and causes moving radially for the heel of corresponding needle and auxiliary needle heel (if present).

On the one hand, needle selection equipment is resisted the axial restraint element of selection piece group and is acted on, to make it swing and diameter To the axial swing element of promotion.

On the one hand, the maximum axial stroke of the axial wobble element of selection piece group is less than the maximum axis of needle and/or auxiliary needle To the maximum axial stroke of the maximum axial stroke and/or pusher head of stroke and/or driving element.

The further feature of the present invention and advantage will be by circular knitters according to the present invention and for moving needle Method detailed description of preferred embodiment and obtain relatively sharp.

Description of the drawings

This specification is to be described below with reference to the accompanying drawings, for being only illustrative and therefore unrestricted purpose, Wherein：

- Fig. 1 shows the partial enlarged view for holding needle syringe of circular knitter according to the present invention, wherein visible needle Drive chain, in addition in one section of driving triangle in the form of in plane；

Fig. 2 a and Fig. 2 b show the corresponding partial enlarged views that drive chain adds needle；

- Fig. 2 c show the variation of the element of drive chain；

- Fig. 3 a- Fig. 3 i and Fig. 3 l- Fig. 3 t show a series of possible configurations of drive chain；

- Fig. 4 a-4d show one section of driving triangle, the runway for driving triangle to engage with drive chain described in same plane；

- Fig. 5 a drive the amplifier section of triangle when showing rotation process counterclockwise；

Figure 5b shows that triangles with a part of Fig. 5 a when rotation process counterclockwise；

- Fig. 6 shows the stereogram of the details of the triangle of Fig. 5 a and 5b；

- Fig. 7 shows the stereogram of the driver used in the knitting machines of aforementioned figures；

Fig. 8 shows the driver vertical view of Fig. 7.

Specific implementation mode

With reference to the attached drawing, the knitting head of the circular knitter of the present invention is indicated to 1 panorama of serial number.

Circular knitter includes substrate, due to not showed that for known to, constitutes the support construction of the knitting machine, And the knitting head 1 is installed in substrate.

Knitting head 1 is equipped with needle syringe 2 is held, mounted on multiple needles 3 and the control device held on needle syringe 2, institute Control device is stated to be easy to selectively drive the needle 3 to realize that fabric produces.

The vertical position that the colleague of needle syringe 2 is installed in substrate is held, needle 3, which is arranged and protruded from vertically, holds needle syringe 2 Top edge.

For example, holding the height of reference diameter and about 450mm of the needle syringe 2 with about 100mm.

As shown in Figure 1, holding needle syringe 2 has the multiple longitudinal needle trays 4 being arranged on the radially-outer surface for holding needle syringe 2. Longitudinal needle tray 4 surrounds central shaft " X-X " (vertically) arrangement for holding needle syringe 2 and is parallel to the central shaft " X-X ".Often One longitudinal needle tray 4 all accommodates corresponding 3 and corresponding drive chain 5 or " catenary " containing multiple flat board members.Driving three Angle " C " is disposed around the cam jacket for holding needle syringe 2 and positioned at towards holding 2 radially-outer surface of needle syringe and therefore face To 4 drive chain 5 of longitudinal needle tray.These driving triangles " C " are by the plate and/or needle tray shape arranged on the inner surface of cam jacket At.

For clarity, in Fig. 1, these driving triangles " C " length show as in plane extend and The side of drive chain 5 and a needle 3.

In the shown embodiment, the cam jacket of driving triangle " C " is substantially stationary, and holds needle syringe 2 (on twocouese With movement that is continuous or changing) it is rotated around central shaft " X-X ", to generate between drive chain 5 and driving triangle " C " Relative rotary motion.

It will be set forth below in more detail, drive chain 5 can operationally be connect with driving triangle " C ", so as to by the phase Axial movement of the needle 3 along longitudinal needle tray 4 is changed into rotary motion, to realize that coil is formed by the needle 3.Driving Triangle " C " be defined around holds needle syringe 2 extension runway, be/can be belonging to drive chain 5 needle heel engaging.Therefore, often A drive chain 5 is operably positioned between corresponding needle 3 and driving triangle " C ".

Suitable equipment (not shown) (is known as being generally arranged at the one or more yarn feeding points held above needle syringe 2 Way) supply hosiery yarns.There are four yarn feeding points for round equipment shown in for example,.

As shown in Fig. 1,2a and 2b, referring now to the single drive chain 5 for being connected with respective needle 3, the phase of each element is described To position, the respective needle 3 is properly attached to hold on needle syringe 2 in the vertical direction.

Needle 3 is arranged in the top edge for holding needle syringe 2 and drive chain 5 is arranged in the lower section of needle 3 until close to needle syringe is held Near 2 bottom.

It can be such as best seen from from Fig. 2 a and 2b, drive chain 5 includes:And then auxiliary needle 6 below needle 3, office are set Portion is arranged in the pusher head 7 of 6 lower section of auxiliary needle, in 7 radial outside of pusher head and the driving element 8 below auxiliary needle 6, and Selection piece group 9 positioned at 7 lower section of pusher head.

Needle 3 has the footing 10 of hook-type.When needle 3 is correctly positioned in longitudinal needle tray 4, footing 10 is directed radially outward.

Auxiliary needle 6 has main body 11.The upper end 12 of main body 11 has needle heel 13 and the protruding portion 14 positioned at 13 lower section of needle heel. Protruding portion 14 has from the upper surface 15 that needle heel 13 is formed in a continuous manner and opposite lower contact surface 16.When 6 correct position of auxiliary needle When in longitudinal needle tray 4, needle 13 protruding portions 14 of heel are radially orientated the inside of the needle tray 4.

Needle 3 is bonded by by insertion needle heel 13 of footing 10 with auxiliary needle 6.The connection of footing 10 and needle heel 13 is two Side, i.e. the whole needle tray 4 along longitudinal direction of needle 3 and auxiliary needle 6 moves.Because needle 3 and auxiliary needle 6 are mutually united in its vertical axial movement One, so a kind of hinge that connects and composes of footing 10 and needle heel 13, but slightly can be connected with each other upper pendulum opposite to each other It is dynamic.Needle tray 4 moves along longitudinal direction for axial movement of the hinge based on mutual unified needle 3 and auxiliary needle 6.Footing 10 can be easily It is connected or separated with needle heel 13, so as to assembly and disassembly two elements.

In unshowned different embodiments, auxiliary needle and needle are made into integration.

Elastic rod 17 extend from main body 11 it is prominent and axially downward, i.e., towards driving element 8.Positioned at elastic rod 17 Distal end lower part 18 with auxiliary needle 6 move radially needle heel 19.The lower part 18 is terminated with auxiliary backshank end 20, the auxiliary needle 20 rounded angle of tail end and/or have inclined surface.Elastic rod 17 and lower part 18 constitute the resilient movement for moving radially needle heel 19 Support portion.

It is formed down axially-extending portion 21 from main body 11, is parallel to central shaft " X-X ".The axially-extending portion 21 is located at By position and it is arranged essentially parallel to the flexible arm 17 relative to flexible arm 17.The length of axially-extending portion 21 Less than whole length of support portion 17,18, to move radially the end that needle heel 19 is still located on the axially-extending portion 21 Lower section.It will be apparent from below, which constitutes the holding element of the radial stroke of the needle heel 19 of auxiliary needle 6.It is true On, the resilient flexibility of elastic rod 17 allows lower part 18 and needle heel 19 when by external stress along in operating position and non-work Make the generally radially runway movement between position, in the operating position, needle heel 19 is stretched out from longitudinal needle tray 4, and not Operating position, needle heel 19 are retracted into longitudinal needle tray 4.In extended position, lower part 18 is against axially-extending portion 21.At two When position, elastic rod 17 is located in needle tray 4 (only (only needle heel 19 is lifted in extended position from the needle tray 4 is radial).

Therefore support portion 17,18 can flexibly move between the first construction and the second construction on the whole, first structure The operating position corresponding to needle heel 19 is made, second construction corresponds to the inoperative position of needle heel 19.

Auxiliary needle 6 further includes the auxiliary needle heel 22 radially extended from the main body 11 of auxiliary needle 6.In an illustrated embodiment, this is auxiliary Needle heel 22 is helped to be connect at the root of axially-extending portion 21 with main body 11.

Pusher head 7 includes：Elongated rodlike top 23 and positioned at the lower part 24 of the lower end of elongate portion 23 or footing.Under Portion 24 carry the respective needle heel 25 being formed radially and with towards top i.e. towards auxiliary needle 6 and towards the upper of driving element 8 Contact surface 26, and with downwards i.e. towards the lower contact surface 27 of selection piece group 9.

As the position of respective needle heel 25, pusher head 7 leans against the bottom surface of longitudinal needle tray 4 and its radial position is fixed, and The pusher head 7 can slide axially in the needle tray 4.

The main body 11 of auxiliary needle 6 is located relative to the position on the elongated top 23 of pusher head 7 and always radial direction It leans against on the elongated top 23.The protruding portion 14 of auxiliary needle 6 is against the bottom surface of longitudinal needle tray 4, and pusher head 7 is thin The distal end 28 on long top 23 is still located on the lower section of protruding portion 14 and the lower contact surface 16 towards the protruding portion 14.

The distal end 28 can abut the contact surface 16 of auxiliary needle 6 by unilateral axial standing mode.

The knee springing that elastic rod 17 applies pushes 18 radial direction of lower part to elongated top 23.Shown in Fig. 1,2a and 2b Construction in, elastic rod 17 keep lower part 18 lean against on elongated top 23.In other words, not working in needle heel 19 Position, 17,18 pairs of needle heels 19 of support portion apply elastic restoring force, and in the inoperative position, the elastic force keeps branch Support part 17,18 and respective needle heel 19 are in 4 inside of needle tray.

Driving element 8 also radially against elongated top 23 and be axially located auxiliary needle 6 and pusher head 7 lower part 24 it Between.

Driving element 8 has the upper end equipped with inclined surface 29, and the inclined surface 29 is towards on radial outside and axial direction Side, i.e., towards auxiliary needle 6.In other words, inclined surface 29 moves closer to distal end 28 with rising towards auxiliary needle 6.

Inclined surface 29 and the auxiliary backshank end 20 of support portion 17,18 coordinate, to resist the bullet of the application of support portion 17,18 Property power the needle of auxiliary needle 6 heel 19 is transformed into corresponding operating position.From the perspective of dynamic, inclined surface 29 and auxiliary backshank Connection between end 20 constitutes tablet triangle, and the rising of wherein inclined surface 29 causes 19 outside (the i.e. courts towards cylinder of needle heel To the outside of needle tray 4) radial rotary, so that needle heel 19 is transformed into corresponding operating position.

Driving element 8 also has the tip 30 that the radially outward edge in the driving element 8 is arranged, and tip 30 is leaned on Nearly inclined surface 29.The tip 30 is formed in a continuous manner from the inclined surface 29 of driving element 8.Tip 30 is support The anti-shape of the lower part 18 in portion 17,18, so as to resist the arm 17 application elastic force and corresponding operating position receive described in Lower part 18 and the needle heel 19 for keeping auxiliary needle 6, and/or axially push against auxiliary needle 6.

Driving element 8 have lower end 31, the lower end 31 can by unilateral side axially stand in a manner of with the contact of pusher head 7 Face 26 against.

The respective needle heel 32 being radially formed is located at the axial intermediate region of driving element 8.Driving element 8 is radially leaned on On elongated top 23, and can freely it slide axially relative to the elongated top 23.The needle of driving element 8 is called in person 32 fix and move in the axial direction radially.

Selection piece group 9 includes：It is slidably arranged in corresponding longitudinal needle tray and the axial wobble below pusher head 7 Element 33, and can be by the axial restraint element of needle selection equipment 200 (such as needle selection equipment with piezoelectric ceramic piece) engagement 34.Axial restraint element 34 is located at position relative to axial restraint element 33 and has as comb side by side Multiple radial teeths 35 of arrangement.

The upper end of the axial wobble element 33 of selection piece group 9 have corresponding contact surface 36, the contact surface 36 be directed toward or Lower contact surface 27 towards pusher head 7.These contact surface tables 27,36 can be engaged with each other in such a way that unilateral side is axially stood.

The lower part of the axial wobble element 33 of selection piece group 9 is with the corresponding needle heel 37 to extend radially outwardly and accordingly Auxiliary needle heel 38.Auxiliary needle heel 38 is located above axial position relative to needle heel 37.

The radial inside edge of axial wobble element 33 and/or the needle tray are partly supported with the radial inside edge The bottom surface leaned on is shaped to allow for the shape of the swing of the axial wobble element 33.

Axial restraint element 34 can also be swung by the influence of needle selection equipment 200.Needle selection is set shown in Fig. 5 a, 5b and 7 Standby 200 with multiple element (such as multiple with piezoelectric ceramic piece), and the element optionally meshes axial restraint element 34 Radial teeth 35 and cause the rotation of the axial restraint element 34, then resist axial wobble element 33 and act on.

The radial outside edge shape cooperation of the radial inside edge and/or axial wobble element 33 of axial restraint element 34 To allow the relative swing of the two elements.

Particularly, axial restraint element 34 makes the axial wobble element 33 in work the promotion of axial wobble element 33 Make to swing between position and inoperative position, in operating position, hour hands heel 37 and auxiliary needle heel 38 are stretched out from needle tray 4, and not Operating position hour hands heel 37 and auxiliary needle heel 38 are retracted in the needle tray 4.

As shown in Figure 2 c, in the different embodiments of selection piece group 9, axial restraint element is not present.Selection piece group 9 Axial wobble element 33 includes resilient flexibility extension 33a, in the radially inner side relative to needle heel 37 and auxiliary broken end 38 Position extends downwardly, and with the bottom surface contact of needle tray 4.It is fixed compare triangle 33b relative to axial wobble element 33 at In position, and against the axial intermediate spine of axial wobble element 33.Fixed magnetic driver 33c is located at axis To the upper end of swing element 33.The active force of magnetic drives 33c is together with the elastic force that resilient flexibility extension 33a applies And cause the swing of axial wobble element 33 together with the action for comparing triangle 33b.Magnetic drives 33c can have selection Ground is driven to the axial direction for causing to include in the connector as a part for the drive chain connecting with regulation needle when suitable The swing of swing element 33.

It is noted that the needle heel 37 and auxiliary needle heel 38 of selection piece group 9 can be in axially and radially upper movements；Auxiliary needle 6 Auxiliary needle heel 22, the needle heel 25 of pusher head 7 and the needle heel 32 of driving element 8 are moved and are fixed radially in the axial direction；It is auxiliary The needle heel 19 of needle 6 can be in axially and radially upper movement.

Outside of the radially fixed needle heel 22,25,32 always situated in longitudinal needle tray 4.The needle heel 19,37,38 moved radially It is retracted within when positioned at corresponding inoperative position in longitudinal needle tray, positioned at the outer of longitudinal needle tray 4 when corresponding operating position Side.

Driving triangle " C " be configured to receive and engage radially fixed needle heel 22,25,32 and move radially needle heel 19, 37、38。

As shown in Figure 1, driving triangle " C " includes auxiliary needle triangle 39, it is axially located on auxiliary needle 6 and is configured to use In receive and engage the auxiliary needle 6 move radially needle heel 19.The auxiliary needle triangle 39 defines auxiliary needle runway, the diameter of auxiliary needle 6 It can engage to mobile needle heel 19 with the auxiliary needle runway.The needle heel 19 that moves radially of auxiliary needle 6 stretches out needle tray at operating position 4, to engage with these auxiliary needle runways and to cause, needle 3 drives and coil is formed.Auxiliary needle 6 moves radially needle heel 19 not It is retracted when operating position, so as not to engage with the auxiliary needle runway.

It includes selection piece group triangle 40 to drive triangle " C ", is located at the bottom for holding needle syringe 2, and selection piece group triangle 40 are structured to receive and engage 33 needle of the axial wobble element heel 37 of selection piece group 9.Selection piece group triangle 40 defines choosing The needle heel 37 of faller gill group runway, axial wobble element 33 can engage with the selection piece group runway.The needle of selection piece group 9 is called in person 37 stretch out needle tray 4 at operating position to engage with these selection piece group runways.The needle heel 37 of selection piece group 9 is not working It is retracted when position, to refuse the selection piece group runway engaging.

It includes pusher head triangle 41 to drive triangle " C ", is axially located at the lower part 24 of pusher head 7 and is structured to Receive and engage the needle heel 25 of the pusher head 7.Pusher head triangle 41 defines pusher head runway, pusher head 7 it is radially fixed Needle heel 25 can engage with the pusher head runway.It is noted that the pusher head runway that pusher head triangle 41 limits includes： It is in constant axial height, basic runway i.e. on a circumference, and with variable axial height, have rising and descending Runway.Therefore the pusher head triangle 41 that the needle heel 25 of pusher head 7 is engaged is configured to guide the promotion axially upwards or downwards First 7.

It includes driving element triangle 42 to drive triangle " C ", is axially located at the surface of pusher head triangle 41 and is located at In driving element 8, and it is structured to receive and engage the needle heel 32 of the driving element 8.Driving element triangle 42 limits The radially fixed needle heel 32 of driving element runway, driving element 8 can engage with driving element runway.It can be noted that driving The driving element runway that dynamic element triangle 42 limits includes basic runway in constant axial height, i.e. on a circumference, and Runway with variable axial height, to have raising and lowering.

It includes assisting auxiliary needle triangle 43 to drive triangle " C ", axial positioned at the surface of auxiliary needle triangle 39 and to be located at On auxiliary needle 6, and it is structured to receive and engage the auxiliary needle heel 22 of auxiliary needle 6.Auxiliary needle triangle 43 is assisted to define that auxiliary is auxiliary Needle runway, the radially fixed needle heel of the auxiliary of auxiliary needle 6 22 can engage with auxiliary needle runway is assisted.It can be noted that assisting auxiliary needle three The auxiliary needle runway of auxiliary that angle 43 limits includes basic runway in constant axial height, i.e. on a circumference, and with variable Axial height, have the runway of rising and descending.Due to assisting auxiliary needle triangle 43 that can be directed on the inside of cam jacket not Operating position and therefore they cannot call in person with the needle of radially fixed auxiliary needle 6 and 22 engages, it is at least some to assist auxiliary needle triangle 43 It can radially move.

As shown in figures 4a-4d, auxiliary needle triangle is assisted to be represented by dotted lines at the inoperative position on the inside of cam jacket, They in operation, i.e., when being stretched out relative to the bottom surface of cam jacket, indicated with solid line.

It includes auxiliary selection piece group triangle 44 to drive triangle " C ", is located at the surface of selection piece group triangle 40 and structure Make the auxiliary needle heel 38 for the axial wobble element 33 for receiving and engaging selection piece group 9.Selection piece group triangle 44 is assisted to limit Auxiliary selection piece group runway is determined, the auxiliary needle heel 38 of axial wobble element 33 can be with the auxiliary selection piece group runway card It closes.It is selected in the auxiliary needle heel 38 of the selection piece group 9 of operating position to engage with these auxiliary selection piece group runways.? The auxiliary needle heel 38 of the selection piece group of inoperative position can be retracted so as not to engage with the auxiliary selection piece group runway.Energy It is enough it is noted that the auxiliary selection piece group runway that auxiliary selection piece group triangle 44 limits be included in constant axial height, i.e. one Basic runway on circumference, and with variable axial height, the runway that has raising and lowering.37 card of needle heel of selection piece group 9 The selection piece group triangle 40 of conjunction and/or the auxiliary selection piece group triangle 44 of 38 engaging of auxiliary needle heel of selection piece group 9, guide institute State selection piece group 9 axially upwards or downwards.

From figure 1, it can be noted that each of runway is with the corresponding first, second, third, fourth, the 5th and the 6th Axially extending amount h1, h2, h3, h4, h5, h6." the axially extending amount " of the runway means parallel to central shaft " X-X " survey The distance between the point farthest each other of runway of amount.In other words, axially extending amount be when needle heel 19,22,25,32, 38,37 be guided in corresponding runway and/or have corresponding triangle 39,43,41,42,44,40 guide hour hands heel 19,22,25, 32,38,37 maximum axial height that can be passed by.

The range of auxiliary needle 6 and needle 3 corresponds to the 5th axially extending amount h5.The range of auxiliary needle 6 and needle 3 can By moving radially 19 limitation of needle heel in operating position, and correspond to first axis elongation h1 in this situation.Driving element 8 range corresponds to the 4th axially extending amount h4.The range of pusher head 7 corresponds to the axially extending amount h3 of third.Choosing The range of the axial wobble element 33 of faller gill group 9 corresponds to the second, the 6th axially extending amount h2, h6.

From Fig. 1 it can be noted that the range of auxiliary needle 6 and needle 3, inoperative position is in moving radially needle heel 19 It is longer than the range (third is axially extending amount h3) of pusher head 7 when (the 5th axially extending amount h5), the maximum row of pusher head 7 Cheng Ranhou is longer than the range (second and the 6th axially extending amount h2, h6) of the axial wobble element 33 of selection piece group 9.Example Such as, the range of auxiliary needle 6 and needle 3, when moving radially needle heel 19 in inoperative position, about pusher head 7 stroke 1.2 times, and be about three times of range of axial movement unit 33 of selection piece group 9.

In the shown embodiment, the range of auxiliary needle 6 and needle 3 is moving radially needle heel 19 in operating position (the One axially extending amount h1) when, shorter than when moving radially needle heel 19 in inoperative position auxiliary needle 6 and needle 3 range (the 5th axially extending amount h5).For example, the 5th axially extending amount h5 is about twice of first axis elongation h1.

The range (the 4th axially extending amount h4) of driving element 8 is shorter than moving radially needle heel 19 in not working The range (the 5th axially extending amount h5) of auxiliary needle 6 and needle 3 when position, and it is longer than the axial wobble element of selection piece group 9 33 range.For example, the 4th axially extending amount h4 be second and the 6th axially extending amount h2, h6 approximately twice as, and It is about the 2/3 of the 5th axially extending amount h5.

Therefore drive chain 5 is structured to the axial movement of needle 3 and/or auxiliary needle 6 and pusher head 7 and/or selection piece group 9 axial movement separation；The axial movement of driving element 8 can really with pusher head 7 and/or needle 3 and/or auxiliary needle 6 and/or First separation in selection piece group 9.

Moreover, drive chain 5 is configured to pusher head 7 and/or the axial movement of selection piece group 9 and moving radially for auxiliary needle 6 Driving/stopping (being converted in inoperative position or not between working needle and operating position) of needle heel 19 detaches.

It is described and constitute the purpose of the present invention according to multiple constructions shown in such as Fig. 3 a- Fig. 3 i and Fig. 3 l-3t Drive chain can with driving triangle " C " and needle selection equipment 200 think cooperation and arrange.

In fig. 3 a, needle heel 37 is retracted in corresponding longitudinal needle tray 4 or selection piece group triangle corresponding with disengaging 40.The axial wobble element 33 of selection piece group 9 is in axial extreme lower position, pusher head 7 lean against on axial wobble element 33 and Its needle heel 25 along pusher head triangle 41 the basic runway with constant axial height.The needle heel 32 of driving element 8 is along drive The basic runway with constant axial height of dynamic element triangle 42.The auxiliary needle heel 22 of auxiliary needle 6 is along assisting auxiliary needle triangle 43 The basic runway with constant axial height.Driving element 8 and 6 axially spaced-apart of auxiliary needle, the needle heel 19 of auxiliary needle 6 is in not work Make position, is detached from corresponding auxiliary needle triangle 39.The distal end 28 of pusher head 7 is spaced with the lower contact surface 16 of protruding portion 14.Needle 3 Height by auxiliary needle heel 22 axial position determine.

In fig 3b, needle selection equipment 200 acts on axial restraint element 34 and it is caused to rotate and thus axially put The rotation of dynamic element 33, to needle heel 37 and auxiliary needle heel 38 taken out from longitudinal needle tray 4 and with selection piece group triangle 40 and auxiliary Selection piece group triangle 44 engages.Other elements are located at the position of Fig. 3 a.

In figure 3 c, the needle heel 37 of axial wobble element 33 is pushed axially upwards by selection piece group triangle 40, and pushes against Pusher head 7, pusher head 7 then push against auxiliary needle 6.As a result, the needle heel 25 of pusher head 7, and the possibly auxiliary needle heel of auxiliary needle 6 22, it into the corresponding runway with variable axial height and reaches at this, pusher head 7 and auxiliary needle 6 are begun to ramp up together with needle 3. Driving element 8 and other component axial separation, thus driving element 8 is radially fixed.

In Fig. 3 d, under the thrust that pusher head triangle 41 and/or selection piece group triangle 40 apply, pusher head 7, auxiliary needle 6 It is moved up with needle 3.Pusher head 7 directly pushes against auxiliary needle 6 to be booted up.Driving element 8 is axial restraint.

In Fig. 3 e, pusher head 7, auxiliary needle 6 are supported by pusher head triangle 41 together with needle 3, and 33 quilt of axial wobble element Selection piece group triangle 40 is guided downwards and is detached with pusher head 7.

In Fig. 3 f, pusher head triangle 41 pushes up pusher head 7, the pusher head 7 in addition to being lifted auxiliary needle 6 and needle 3, It is contacted with driving element 8 and pushes up driving element 8.As a result, driving element three is found in the needle heel 32 when driving element 8 When the runway with variable axial height at angle 42, the needle heel 32 of driving element 8 engages the runway and can be by the race Road is lifted, and then the pusher head 7 can be detached with the driving element 8.Meanwhile axial wobble element 33 with push First 7 axially spaced-apart.

In Fig. 3 g, auxiliary needle 6 and needle 3 and pusher head 7 axial restraint together, and the lifting driving of driving element triangle 42 Element 8, driving element 8 is close to auxiliary needle 6 but is not engaged with auxiliary needle 6.

In Fig. 3 h, pusher head triangle 41 boots up pusher head 7, auxiliary needle 6 and needle 3, and mobile auxiliary needle 6 leaves driving member Part 8.

In Fig. 3 i, pusher head 7, auxiliary needle 6 and needle 3 are fixed in the axial direction, and driving element 8 is driven by (driving element triangle) Dynamic element triangle 42 moves up.

In Fig. 3 l, pusher head triangle 41 and auxiliary needle triangle 43 is assisted axially downwardly to guide pusher head 7, auxiliary needle 6 and needle 3. Driving element triangle 41 also guides downwards driving element 8.

In Fig. 3 m, auxiliary needle triangle 43 is assisted axially downwardly to guide pusher head 7, auxiliary needle 6 and needle 3, and driving element triangle 42 push up driving element 8, are applied until inclined surface 29 is axially inserted into auxiliary backshank end 20 in the following, resisting support portion 17,18 Inclined surface 29 is radially interposed between pusher head 7 and the auxiliary backshank end 20 by the elastic force added.

In Fig. 3 n, the pusher head triangle 41 and auxiliary 43 downward guiding pusher head 7 of needle triangle of auxiliary, auxiliary needle 6 and needle 3, and drive Dynamic element terminates its stroke and fixes in the axial direction, and auxiliary backshank end 20 is located in tip 30, and the needle heel 19 of auxiliary needle 6 is located at phase The operating position answered.

In Fig. 3 o, the needle of auxiliary needle 6 heel 19 and auxiliary needle heel 22 and corresponding auxiliary needle triangle 39 and auxiliary needle triangle 43 is assisted Engage and also entirety moves down in the axial direction together with driving element 8.Pusher head 7 is spaced with auxiliary needle 6 and passes through promotion Head triangle 41 moves down again.

It can be in Fig. 3 e- Fig. 3 i and Fig. 3 l-3o it is noted that axial wobble element 33 is spaced with pusher head 7 always.

In Fig. 3 p, the needle of auxiliary needle 6 heel 19 and auxiliary needle heel 22 and corresponding auxiliary needle triangle 39 and auxiliary needle triangle 43 is assisted Engage and also entirety moves down in the axial direction together with driving element 8.Pusher head 7 is against selection piece group 9.

In Fig. 3 q, auxiliary needle 6 and needle 3 are assisted auxiliary needle triangle 43 to boot up, 8 driven element triangle of driving element 42 guide downwards and are detached with auxiliary needle 6, to convert back not operation by the needle heel 19 of the auxiliary needle of the elastic force of elastic rod 17 6 State.Then, resilient force generally radially the needle heel 19 of auxiliary needle 6 support portion 18, to keep needle heel 19 not Operating position.

In Fig. 3 r, pusher head triangle 41 and driving element triangle 42 guide pusher head 7 and driving element 8 separately down, And needle 3 and auxiliary needle 6 are kept fixed in welt-position.

In Fig. 3 s, needle and auxiliary needle 6 are pushed upwardly, and driving element 8 is in fixed axial position, and are pushed First 7 resistance driving element 8 is guided by pusher head triangle 41.

Fig. 3 t show the transfer position of needle 3, and in the position, needle 3 and auxiliary needle 6 are assisted auxiliary needle triangle 43 to push up simultaneously And it is spaced with pusher head 7 and driving element 8.

It can be from Fig. 3 r and Fig. 3 s it is noted that axial wobble element 33 and 7 axially spaced-apart of pusher head.

By setting above-mentioned tectonic association to predetermined order, due to driving the structure of triangle, needle 3 is set to move, to hold The required knitting operation of row.

By simply example, Fig. 4 a-4d show a few thing sequence.Needle syringe 2 is held relative to driving triangle " C " Shown in the rotation sense of cam jacket such as arrow " CCW " (relative to driving triangle " C ", the first rotation of needle 3 and drive chain 5 Or rotation counterclockwise).Indicated by multiple vertical bars with the length of runway of the needle heel of corresponding triangle engaging, and with phase The length of the runway of the needle heel of triangle separation is answered to be indicated by horizontal dotted line.The runway of the end of needle 3 does not carry out table Show, but the runway is always parallel with the needle heel 22 for the auxiliary needle 6 that needle 3 is integrally connected to during vertical and straight movement.

Fig. 4 a show the step of about tuck needle (withdrawn needle) 3 (step).Vertical line 3b, 3d and 3g table Show three positions of needle 3 and drive chain 5, construction of the construction corresponding to Fig. 3 b, 3d and 3g.It means that the left from right side The needle heel 37 of observation chart 4a, selection piece group 9 are driven and are engaged selection piece group triangle 40, and are carried upwards due to upward slope 100 It rises, and pushes up pusher head 7, auxiliary needle 6 and needle 3, engage and along pusher head triangle 41 to the needle heel 25 of pusher head 7 Upward slope 101 (tuck needle rise cam).Auxiliary needle triangle 43 is assisted to be located at inoperative position.Auxiliary needle 6 moves radially needle heel 19 In inoperative position.Needle 3 is guided by pusher head triangle 41 to the position of Fig. 3 g, and pusher head 7 is detached with selection piece group 9.

Fig. 4 b show the step of about knocking over needle (cast-off needle) 3.Vertical line 3b, 3c, 3e, 3i and 3h are indicated Five positions of needle 3 and drive chain 5, construction corresponding to Fig. 3 b, 3c, 3e, 3i and 3h construction it means that from right side to Left sides Fig. 4 b, pusher head 7 needle heel 25 first by selection piece group 9 (Fig. 3 b and 3c) be lifted, and with pusher head triangle 41 (knocking over needle rise cam 102) coordinates, and guiding needle 3 is in the position of Fig. 3 i.

Fig. 4 c show the step of about needle 3 in barring-on height.Vertical line 3t indicates five positions of needle 3 and drive chain, It constructs the construction corresponding to Fig. 3 t.It means that from right side observation chart 4c to the left, one assists auxiliary needle triangle 43 to be drawn It is directed at corresponding operating position, and the auxiliary needle heel 22 of auxiliary needle 6 engages with the upward slope 103 of the triangle, until needle 3 is drawn It is directed at the position of Fig. 3 t, pusher head 7, driving element 8 and selection piece group 9 are maintained at lower axial position.

Fig. 4 d show the step of needle 3 of decline.Vertical line 3b, 3c, 3e, 3h, 3i, 3l, 3m, 3n, 3o, 3p, 3q indicate needle 3 and 11 positions of drive chain, construction of the construction corresponding to Fig. 3 b, 3c, 3e, 3h, 3i, 3l, 3m, 3n, 3o, 3p, 3q.This It is meant that from right side observation chart 4d to the left, some assist auxiliary needle triangle 43 to be directed to corresponding operating position.Needle 3 and auxiliary Needle 6 first by the guiding downwards of auxiliary needle heel 22, with the descending 104,105 by assisting auxiliary needle triangle 43 to limit match by auxiliary needle heel 22 Conjunction is operated, then needle 3 and auxiliary needle 6 are moved radially 19 guiding of needle heel to its operating position (Fig. 3 m, 3n, 3o, 3p and perpendicular Line 3m, 3n, 3o, 3p) and engage descending 106.

It is the embodiment of the method for the needle for moving circular knitter as the purpose of the present invention as described above, More briefly the needle heel 19 including auxiliary needle 6 moves radially between operating position and inoperative position (not working needle), described When operating position, needle heel 19 is selected so that the respective secondary needle runway limited with auxiliary needle triangle 39 engages, and causes needle 3 Driving and coil are formed；At inoperative position (not working needle), needle heel 19 is retracted so as not to engage with the auxiliary needle runway. The radial motion of the needle heel 19 of auxiliary needle 6 is by auxiliary needle 6 and the fortune to axial being axially located between the driving element 8 of 6 lower section of auxiliary needle It is dynamic to cause, and the relative axial movement is divided at least in some steps with the axial movement of pusher head 7 and selection piece group 9 From/independent.

Other features of related driving triangle " C " shape are pointed out below with reference to Fig. 5 a and 5b.The three of Fig. 5 a and Fig. 5 b Angle part is shown a case that in the plane of driving triangle " C " of half.The other half with shown in Fig. 5 a and 5b.Two The fournisseur 110 of arranged in succession schematically illustrates in figs. 5 a and 5 b in circumferential direction.The part is therefore corresponding to the four of knitting machine 1 Two in a fournisseur 110.

Each fournisseur 110 is relevant with triangle, and the triangle is symmetrical about the fournisseur 110, that is, about with The parallel and symmetry axis " Y " by fournisseur 110 of central shaft " X-X " is symmetrical.Moreover, triangle is also about positioned at two fournisseurs Intermediate axial straight line " Z " between 110 is symmetrical.The symmetrical permission knitting machine 1 is in two kinds of directions rotate and in weave mode In can work..

Auxiliary needle triangle 39 between two a sequence of symmetry axis " Y ", the auxiliary needle triangle 43 of auxiliary, driving element triangle 42, The part of pusher head triangle 41, selection piece group triangle 40, auxiliary selection piece group triangle 44, is demonstrated by the first module, and described first Module carries out repeating (being repeated four times in illustrated embodiment) in the whole circumference of the cam jacket of driving triangle " C ".

Auxiliary needle triangle 39, the auxiliary needle triangle 43 of auxiliary between two a sequence of intermediate axial straight lines " Z ", driving element The part of triangle 42, pusher head triangle 41, selection piece group triangle 40, auxiliary selection piece group triangle 44, is demonstrated by the second module, Second module carries out repeating (to repeat four in illustrated embodiment in the whole circumference of the cam jacket of driving triangle " C " It is secondary).

Triangular portions between two a sequence of symmetry axis " Y " are about the jackshaft between two symmetry axis " Y " It is symmetrical to straight line " Z ".Triangular portions between two intermediate axial straight lines " Z " are about positioned at two intermediate axial straight lines " Z " Between symmetry axis " Y " it is symmetrical.Fig. 5 a and 5b show two the second modules or first center module side by side and First module of two half blocks on side.

With reference to the second single module, it includes central cam triangle to assist auxiliary needle triangle 43 (symmetrical about symmetry axis " Y ") 111 and two side triangles 112 positioned at the opposite side of central cam 111.Central cam triangle 111 and each side triangle 112 Define that corresponding descending 113,114 and their effect are that the needle heel 22 of auxiliary needle 6 is made to decline.Fig. 4 d are shown when auxiliary needle 6 Needle heel 22 relative to central cam triangle 111 and only one side triangle when assisting direction movement among auxiliary needle triangle 43 casees 112 lopsided one decline.When the needle heel 22 of auxiliary needle 6 is relative to the fortune in the opposite direction for assisting auxiliary needle triangle 43 When dynamic generation, then the inclined side of central cam triangle 111 and another side triangle 112 works.

Auxiliary needle triangle 39 includes two descendings 106 (it is acted on as shown in figure 4d), and even descending 106 is about symmetry axis " Y " It is arranged symmetrically.Herein likewise, two descendings 106 alternately work according to direction of rotation.

Driving element triangle 42 limit driving element runway include have constant axial height the basic runway and The upward slope of two pairs symmetrical (about symmetry axis " Y ").Include per a pair：Top go up a slope 115 and for driving element 8 lower part Slope 116.Two pairs of upward slopes are merged into intermediate region 117, and intermediate region 117 limits the length by corresponding basic horizontal.

The pusher head runway that pusher head triangle 41 limits has first pair and second pair of upward slope, they are about symmetry axis " Y " symmetrically, and is moved up and down, and is merged towards the symmetry axis " Y ".

Include above-mentioned knocking over needle rise cam 102 and tuck needle rise cam 101 per a pair of of upward slope.First pair of tuck It is associated with corresponding fournisseur 110 with knocking over needle rise cam and second pair of tuck and knocking over needle rise cam, and about The fournisseur 110 is symmetrical.

Described two pairs work according to direction of rotation alternately as upward slope.It is following only to describe since they are symmetrical A pair of two centerings, drive chain 5 relative to driving triangle " C " with direction of rotation counterclockwise " CCW " around central shaft " X-X " It works when rotation.

Knocking over needle rise cam 102 and tuck needle rise cam 101 are divided from the basic runway positioned at constant axial height It opens, stretches in parallel with each other, and be incorporated in the intermediate region 119 being aligned with corresponding fournisseur 110.

In more detail, knocking over needle rise cam 102 is the decline one of stitch pusher head runway formed from basic runway Point, it is lifted by the knocking over needle rise cam 102, and then the length 120 with basic horizontal followed by (is located at Downstream) knocking over needle rise cam 102 and a sequence of knocking over needle drop needle triangle 121.

Tuck needle rise cam 101 is a part for the tuck pusher head runway formed from basic runway, passes through tuck needle Rise cam 101 is lifted, and is merged with knocking over needle drop needle triangle 121 in intermediate region 119.101 He of tuck needle rise cam Knocking over needle rise cam 102 combines with each other after corresponding maximum height point (that is, in downstream), to which fournisseur 110 follows The corresponding maximum height point of (that is, being located at downstream) tuck needle rise cam 101 and knocking over needle rise cam 102.

With the driving rotated with direction of rotation counterclockwise " CCW " (in fig 5 a from right to left) relative to driving triangle " C " Chain " 5 " as reference, the entrance of knocking over needle rise cam 102 in the circumferential prior to the entrance of tuck needle rise cam 101, and And there is no the entrance or runway for the needle heel 25 for being further used for pusher head 7 between two entrances.Moreover, knocking over needle The outlet of rise cam 102 and does not have directly preceding the outlet of tuck needle rise cam 101 between the outlet described in two There is the runway of the further needle heel 25 for pusher head 7.

The maximum height of knocking over needle rise cam 102, axially extending, circumferentially extending and entire length ratio tuck needle starting The corresponding size of triangle 101 is big.

During decline stitch pusher head runway is in above tuck pusher head runway, and two runways combine with each other to be formed Between region 119.

The auxiliary selection piece group triangle 44 of individual module includes about the symmetrical triangle triangle of corresponding symmetry axis " Y " 122.There are two descendings for the setting of triangle triangle 122, according to the direction of rotation blocked operation of knitting machine 1, such as Fig. 4 b or 4d institutes Show.Auxiliary selection piece group triangle 44 further includes round covering of the fan 123 (in the planar development of Fig. 5 a linearly).

Selection piece group runway 40 includes single track 124, and in the second module of consideration, the single track 124 has non- Control zone 125 is associated with fournisseur 110, symmetrical about the fournisseur 110, and symmetrical about symmetry axis " Y ".Individually Track 124 further includes two shields needle triangle section part (having peak and the lowest point), and each needle triangle section of protecting is partially disposed on non-controlling Side in 125 both sides of area, and shield needle triangle section part is also symmetrical about fournisseur 110.

Consider that the first module between two symmetry axis " Y ", two shield needle triangle section parts form and be located at two in succession Noncontrolled area 125 between shield needle triangle section 126.The shield needle triangle section 126 is symmetrical about intermediate axial straight line " Z ".

Protecting needle triangle section 126 includes：About high point 127 among the intermediate axial symmetrical starting of straight line " Z ", and it is arranged in The both sides high point 128 of the side of high point 127 among starting.It is limited among high point 127 and each side protrusion 128 among starting There is corresponding bottom-valley (or lowland).

Among starting high point 127 and side protrusion 128 have the inclined side performed various functions or tilting section and according to Needle 3 and drive chain 5 are symmetrical relative to the rotation of driving triangle " C ".

With relative to driving triangle " C " with direction of rotation counterclockwise " CCW " (in fig 5 a from right to left) around central shaft As reference, the first side (the right side in Fig. 5 a) of 127 both sides of high point is set with the drive chain 5 of " X-X " rotation among starting The first side (the right side in Fig. 5 a) of first rise cam 129, the both sides of subsequent side protrusion 128 is set with the second starting Triangle 100.First rise cam 129 is in the circumferential prior to the second rise cam 100, and described two upward slopes 129,100 are logical It crosses and is connected by the first drop needle triangle 131 that the second side (side on the left side in Fig. 5 a) of the both sides of high point 127 among starting limits It connects.The the second drop needle triangle 132 limited by the second side (side on the left side in Fig. 5 a) of the both sides of the side protrusion 128 with it is non- Control zone 125 connects.Needle triangle 131, the second rise cam 100 and second drop in described first rise cam 129, first Drop needle triangle 132 is to follow and (be located at downstream) their the first fournisseur 110 work.

Protecting needle triangle section has substantially invariable axial width, axially extending with second to the first rise cam 129 Rise cam 100 it is axially extending essentially identical.Moreover, the circumferentially extending of the first rise cam 129 and the second rise cam 100 circumferentially extending is essentially identical, and first the second rise cam of starting trigonometric sum 129,100 be substantially parallel to each other into Exhibition.

First rise cam 129 is operationally associated with knocking over needle rise cam 102, and the second rise cam 100 can Operatively it is associated with tuck needle rise cam 101.

Particularly, the first rise cam 129 deviates relative to knocking over needle rise cam 102 in the circumferential in advance, thus the The maximum height of one rise cam 129 is in the circumferential prior to the entrance of corresponding knocking over needle rise cam 102.It is noted that Across the intermediate axial straight line " Z " of the maximum height of the first rise cam 129 be just located at corresponding knocking over needle rise cam 102 it Before.

Second rise cam 100 deviates relative to corresponding tuck needle rise cam 101 in the circumferential in advance, thus the The bottom of two rise cams 100 is in the circumferential prior to the entrance of corresponding tuck needle rise cam 101, the second rise cam 100 Maximum height in the circumferential prior to the maximum height of corresponding tuck needle rise cam 101.

When knitting machine 1 is with opposite direction of rotation, i.e., with the second direction of rotation or clockwise direction " CW " (shown in Fig. 5 b) When being operated, the second side (left side side in Fig. 5 b) among starting in the both sides of high point 127 defines the first starting three Angle 129, and the first side (the right side in Fig. 5 b) in both sides defines the first drop needle triangle 131.Side protrusion 128 it is another One defines the second rise cam 100 (the second side) and the second drop needle triangle 132 (the first side).First rise cam It is the work of the second fournisseur 110 with the first drop needle triangle, the second rise cam and the second drop needle triangle and is located at a pair tight With 101 cooperating of knocking over needle rise cam 102 and tuck needle rise cam in (downstream) thereafter.

In general, the shield needle triangle section 126 between two a sequence of fournisseurs 110 is two according to direction of rotation A followed by job for protecting needle triangle section 126 (in downstream) in a fournisseur 110.By reverse directions, the same shield Needle triangle section 126 works for another fournisseur 110.

Noncontrolled area 125 has two exit ramps 133 positioned at its opposite end.Each exit ramp 133 is in single rail Extend between the bottom surface of mark 124 and radial surface more outward, to be used as connector.The ramp 133 (more preferable) is as schemed Shown in 6.

Fig. 5 a and 5b are further schematically illustrated between two a sequence of fournisseurs 110 or are protected positioned at corresponding Needle selection equipment 200 in needle triangle section 126.Needle selection equipment 200 includes two drivers 201,202, and circumferential direction is arranged side by side simultaneously And in the corresponding bottom-valley (or lowland) that shield needle triangle section 126 limits, it is convex to be located at high point 127 and each side among starting It rises between 128.

Each driver 201,202 is the piezo-electric type with needle-selecting blade cutter head.

In the embodiment shown in Fig. 7 and 8, driver 201,202 includes：It is protruded from the front surface of driver 201,202 First group of needle selecting knife 203 and second group of needle selecting knife 204, be installed to the knitting in operating position in driver 201,202 Towards the radial teeth for holding needle syringe 2 and selection piece group 9 when on machine 1.Each needle selecting knife 203,204 includes multiple needle-selecting blade knives First 205,206, be overlapped and be aligned along corresponding common vertical axis " K-K ", and second group of needle selecting knife 204 with First group of 203 axial overlap of needle selecting knife.Preferably, two needle selecting knifes 203,204 are along identical common vertical axis " K- K " arrange and one on the other side.

Preferably as shown in figure 8, each needle-selecting blade cutter head 205,206 has about symmetrical plane " W-W " symmetrical shape Shape, the common vertical axis " K-K " are located in symmetrical plane " W-W ".205 phase of needle-selecting blade cutter head of first array 203 It is symmetrical for dry the 206 of the second array 204.

By the piezoelectricity control of the control unit management of knitting machine 1, each needle-selecting blade cutter head 205,206 around with it is common The respective horizontal axis of axis vertical take-off swung between the one the first lifting positions and the second down position.Pass through the pendulum It is dynamic, needle-selecting blade cutter head 205,206 be lifted and/or decline (arrow " F " of Fig. 7) and with the corresponding tooth of selection piece group 9 35 interact, and to cause the swing of axial restraint element 34, and result makes axial wobble element 33 swing.

As shown in Figure 7 and Figure 8, the needle-selecting blade cutter head 205,206 of the first and second arrays 203,204 has corresponding First and second engagement surfaces 401,402, contact with the tooth 35 of selection piece group 9.

In the shown embodiment, it is jointly flat to be located relative to symmetrical plane " W-W " inclined first for the first joint surface 401 Face, the second joint surface 402 is located relative to inclined second common plane of the symmetrical plane " W-W ", and described first is total Coplanar, the second common plane and symmetrical plane " W-W " intersect with the intersecting lens for being parallel to common vertical axis " K-K ".Knot The opposite sides of fruit, the first joint surface 401 and the second joint surface 402 towards symmetrical plane " W-W " tilts.

In unshowned other embodiment, the first joint surface 401 is located in multiple first inclined-planes, and the second engagement Face 402 is located at multiple second inclined-planes.The opposite sides of first and second plane towards symmetrical plane " W-W " tilts, and Different angles is limited facing " W-W " relative to described.

In the shown embodiment, the needle-selecting blade cutter head 205 of first group of needle selecting knife 203 can be all together around corresponding Trunnion axis moves, and the needle-selecting blade cutter head 206 of second group of needle selecting knife 204 is enough all moved around corresponding trunnion axis together, And two arrays can independently move.

As described in set forth below, if first group of needle selecting knife 203 is configured to hold needle syringe 2 relative to driving triangle " C " " CCW " occurs in the counterclockwise direction for rotation, then operates, i.e., engaged with the tooth 35 of the selection piece group 9 of knitting machine 1 and second group If needle selecting knife 204 is configured to rotation " CW " generation in the clockwise direction for holding needle syringe 2 relative to driving triangle " C ", grasp Make, i.e., is engaged with the tooth 35 of the selection piece group 9 of knitting machine 1.

The method of mobile needle 3 according to the present invention, under being formed by the movement of drive chain 5 shown in needle 3 and Fig. 4 b Stitch drops, and the axial restraint element 34 of the selection piece group 9 with radial teeth 35 is previous in the first and second drivers 201,202 Direction of rotation counterclockwise is mobile for " CCW ".

First group of needle selecting knife 203 of the first driver 201 acts on axial restraint element 34, to cause axial wobble The swing of element 33 and needle heel 37 are snapped into the first starting point 300 of single track 124, and first starting point 300 is located at The bottom-valley (or lowland) of the shield needle triangle section of first rise cam 129 (Fig. 4 b and 5a).Driving triangle " C " and hold needle syringe 2 it Between relative rotation cause needle heel 37 to slip into single track 124 and in the first rise cam 129.Selection piece group 9 Axial wobble element 33 is moving upward and pushes up pusher head 7, is risen until the needle heel 25 of pusher head 7 is snapped into knocking over needle Needle triangle 102 (Fig. 4 b and 5a).

Since corresponding needle heel 25 slides into knocking over needle rise cam 102, until in basic horizontal length 120 Maximum height point, pusher head 7 are further lifted and are detached from the axial wobble element 33 of selection piece group 9, and lift pins 3 with Just it is formed and declines stitch.Then, the needle heel 25 of pusher head 7 is passed by knocking over needle drop needle triangle 121 and intermediate region 119 and again Secondary decline, the upward slope 101 (being used as descending to work in this step) of another pair of passing by (Fig. 4 b).

When pusher head 7 is elevated and is slided into knocking over needle rise cam 102 and when then declining again, needle selection The needle heel 37 of the axial wobble element 33 of piece group 9 is moved along single track 124, the first drop needle triangle 131 of continuously passing by, Second rise cam 100, second drops needle triangle 132 and enters noncontrolled area 125 (Fig. 4 b).When moving on, selection piece group The needle heel 37 of 9 axial wobble element 33 encounters exit ramp 133, and the exit ramp 133 radially-inwardly pushes the needle to call in person 37 and it is detached with single track 124 (Fig. 4 b).The needle heel 37 of selection piece group 8 leaves single track 124 and with laggard Enter to hold the corresponding needle tray of needle syringe 2.

In order to pass through the mobile formation tuck of drive chain 5 shown in needle 3 and Fig. 4 a, first group of choosing of the second driver 202 Needle knife 203 acts on axial restraint element 34, and the swing and needle heel 37 for causing axial wobble element 33 are snapped into single rail In second starting point 301 of mark 124, second starting point 301 is located in the second rise cam (100) (Fig. 4 a and 5a) In the bottom-valley (lowland) of the shield needle triangle section of bottom.

Driving triangle " C " and the relative rotation for holding needle syringe 2 cause needle heel 37 to slide into the second rise cam 100, select The axial wobble element 33 of faller gill group 9 is moving upward and pushes up pusher head 7, until 25 engaging of needle heel of pusher head 7 Enter tuck needle rise cam 101 (Fig. 4 a and 5a)

Since corresponding needle heel 25 slides into tuck needle rise cam 101, until the maximum on intermediate region 119 Height point, pusher head 7 are further lifted, and lift pins 3 are to form tuck.Then, during the needle heel 25 of pusher head 7 is passed by Between region 119 and decline again, the upward slope 101 (being used as descending to work in this step) of another pair of passing by (Fig. 4 a)

When pusher head 7 is elevated and is slided into tuck needle rise cam 101 and when declining again conveniently, selection piece group 9 The needle heel of axial wobble element 33 37 is moved along single track 124, and sequentially passing by the second drop needle triangle 132 and enters Noncontrolled area 125 (Fig. 4 a), then to engage exit ramp 133, exit ramp 133 radially-inwardly pushes the needle heel 37 And disengage it from single track 124 (Fig. 4 a).The needle heel 37 of selection piece group 9, which is left single track 124 and entered conveniently, holds In the corresponding needle tray of needle syringe 2.

If direction of rotation is " CW " clockwise shown in Fig. 5 b, the second 202 second groups of driver needle selecting knife 204 is made For axial restraint element 34, swing and needle heel 37 for causing axial wobble element 33 are snapped into positioned at the first starting three First starting point 300 (declining stitch to be formed) of the bottom at angle 129, and second group of needle selecting knife of the first driver 201 204 act on axial restraint element 34, and the swing and needle heel 37 for causing axial wobble element 33 are snapped into positioned at second Second starting point 301 (to form tuck) of the bottom of needle triangle 100 (Fig. 5 b).

It is noted that when direction of rotation is on the contrary, opposite (the first side-the of the both sides function of high point 127 among starting Needle triangle 131 drops in one rise cam 129, the second side-the first；Needle triangle 131, the-the first starting of the second side drop in the first side-the first Triangle 129).

In general, being revolved with direction of rotation counterclockwise " CCW " relative to driving triangle " C " (Fig. 5 a) if holding needle syringe 2 Turn, then the needle heel 37 of selection piece group 9 slides into the first side of high point 127 among starting, for promoting pusher head 7 until pushing First 7 needle heel 25 is snapped into down knocking over needle rise cam related with the first fournisseur 110 102.As replacement, selection piece The needle heel 37 of group 9 slides into promote pusher head 7 on the first side of side protrusion 128, until 25 engaging of needle heel of pusher head 7 Enter tuck needle rise cam related with the first fournisseur 110 101.Moreover, first group of needle selecting knife 203 of the first driver 201 Selection piece group 9 is acted on, for making needle heel 37 be snapped into the first starting point 300, and the shape on first fournisseur 110 At stitch is declined, and first group of needle selecting knife 203 of the second driver 202 acts on selection piece group 9, for will in advance not with The needle heel 37 of first driver 201 engaging is snapped into the second starting point 301 and forms tuck on the fournisseur 110.

If holding needle syringe 2 relative to driving triangle " C " (Fig. 5 b) to rotate clockwise direction " CW " rotation, needle selection The needle heel 37 of piece group 9 slides into the second side of high point 127 among starting, for promoting pusher head 7 until the needle of pusher head 7 is called in person 25 are snapped into down knocking over needle rise cam related with the second fournisseur 110 102.As replacement, the needle of selection piece group 9 is called in person 37 slide into promote pusher head 7 in the second side of side protrusion 128, until the needle heel 25 of pusher head 7 is snapped into and is fed with second 110 related tuck needle rise cam 101 of yarn device.Moreover, second group of needle selecting knife 204 of the first driver 201 acts on needle selection Piece group 9 for making needle heel 37 be snapped into the first starting point 301, and is formed on different the first neighbouring fournisseurs 110 Tuck, and second group of needle selecting knife 204 of the second driver 202 acts on selection piece group 9, for needle heel 37 to be snapped into the Two starting points 301 and the formation decline stitch on the different neighbouring fournisseur 110.

The present invention realizes important advantage.

First, the present invention overcomes the defects of the prior art.

Particularly, the present invention allows production only to operate or operated with reciprocating rotation round under rotational condition Machine：

It is all very compact on axially and radially direction；

The tubular woven fabric that small radial dimension is even less than 165mm can be manufactured；

There is the less stringent limitation to needle movement, to manufacture more complicated fabric；

It is more compacter than known machine, it can get the needle movement increasingly complex with the heavy-duty machines of same needle number；

Compared with the existing technology with identical drum diameter, " way " the i.e. yarn feeding point with higher (or even double) quantity；

Be able to carry out " embossing technique " design, i.e., multicolour pattern and overleaf without flotation line；

3 D stereo textile fabrics can be manufactured and Density need not be changed and cut yarn process without increasing.

Claims (14)

1. a kind of needle selector tool bit of circular knitter, including:

First group of needle selecting knife (203) and second group of needle selecting knife (204), each needle-selecting blade cutter head (203,204) includes multiple edges The needle-selecting blade cutter head (205,206) that common axis line (K-K) is continuously arranged；

Wherein second group of needle selecting knife (204) is with first group of needle selecting knife (203) along the ground one after another the common axis line (K-K) cloth It sets；

Wherein first group of needle selecting knife (203) is configured to, if the circular knitter (1) holds needle syringe (2) relative to driving The relative rotation of cam (C) generates on the first direction of rotation (CCW), then with the tooth of the selection piece group of circular knitter (1) (9) (35) it engages；

Wherein second group of needle selecting knife (204) is configured to, if the circular knitter (1) holds needle syringe (2) relative to driving The relative rotation of cam (C) generates on second direction of rotation (CW) opposite with the first direction of rotation (CCW), then with selection piece The tooth (35) of group (9) engages.

2. needle selector tool bit according to claim 1, wherein each needle-selecting blade cutter head (205,206) can be according to control System moves between the first position and the second position, wherein the needle-selecting blade cutter head (205) of first group of needle selecting knife (203) can Independently of second group of needle selecting knife (204) needle-selecting blade cutter head (206) it is mobile.

3. needle selector tool bit according to claim 2, wherein the needle-selecting blade cutter head (205) of first group of needle selecting knife (203) It can all move together, and the needle-selecting blade cutter head (206) of second group of needle selecting knife (204) can be moved together all.

4. needle selector tool bit according to claim 1 or 2 or 3, wherein the needle-selecting blade knife of first group of needle selecting knife (203) Head (205) can be moved around the respective axis orthogonal with common axis line (K-K), and (the second array bar) second group of needle selecting knife (204) needle-selecting blade cutter head (206) can be moved around the respective axis orthogonal with common axis line (K-K).

5. according to the needle selector tool bit described in any of the above-described claim, wherein the needle-selecting blade knife of first group of needle selecting knife (203) Head (205) has the corresponding first joint surface (401) of the tooth (35) for selection piece group (9), and wherein, second group of needle selection The needle-selecting blade cutter head (206) of knife (204) has corresponding second engagement surface (402) of the tooth (35) for selection piece group (9)； Wherein first joint surface (401) tilts in the opposite direction with the second engagement surface (402).

6. according to the needle selector tool bit described in any of the above-described claim, wherein with the symmetrical plane where common axis line (K-K) (W-W) as reference, the needle selecting knife of the needle-selecting blade cutter head (205) and second group of needle selecting knife (204) of first group of needle selecting knife (203) Piece cutter head (206) is symmetrical.

7. according to the needle selector tool bit described in any of the above-described claim, when it is according to claim 5, wherein the first engagement Surface (401) is located at the first inclined common plane or multiple first clinoplains relative to symmetrical plane (W-W), and its In, the second engagement surface (402) is located at the second inclined common plane or multiple second inclinations relative to symmetrical plane (W-W) Plane.

8. according to any of the above-described claim or needle selector tool bit according to claim 6, when it is according to claim 5 When, wherein first joint surface 401) with the second engagement surface (402) towards symmetrical plane (W-W) opposite side tilt.

9. a kind of circular knitter, including：

Syringe (2) is held, with multiple longitudinal needle trays (4), the longitudinal direction needle tray is around the central shaft (X- for holding syringe (2) X it) arranges；

Multiple needles (3), each needle are contained in corresponding longitudinal needle tray (4)；

At least one fournisseur (110), is operationally associated with needle (3)；

Driving cam (C), around holding syringe (2) arrangement, and around central shaft (X-X), to hold syringe (2) removable relative to described It is dynamic, to cause or allow needle (3) along the movement of longitudinal needle tray (4), so that realizing that stitch is formed by the needle (3)；

It is used for the drive chain (5) of each needle (3), corresponding longitudinal needle tray (4) is inserted into, is located at the lower section of respective needle (3), and And it is operationally positioned between corresponding needle (3) and the driving cam (C)；

Wherein, the drive chain (5) includes：

Selection piece group (9), is arranged in the lower section of sub- needle (3), with it is at least one operating position and off position it Between radially movable corresponding end (37), in operating position, the needle heel is extracted for and selection piece group cam (40) the corresponding selection piece group path engaging limited；In off position,

The needle heel is retracted so as not to engage with selection piece group path；

At least one needle selection equipment (200), according to the selection piece group (9) is acted on, for selection piece group (9) to be transformed into Or it is maintained at operating position NOR operation position；

Wherein, selection device (200) includes：

It is at least one

Driver (201,202) according to any of the above-described claim.

10. circular knitter according to claim 9, wherein needle selection equipment (200) includes that two circumferential directions are placed side by side Driver (201,202), wherein if holding phase of the syringe (2) relative to driving cam (C) in the first direction of rotation (CCW) generation To rotating, then first group of needle selecting knife (203) of each of two drivers (201,202) engages the tooth (35) of selection piece group (9)； Wherein, convex relative to driving if holding syringe (2) in second direction of rotation (CW) generation opposite with the first direction of rotation (CCW) The relative rotation of (C) is taken turns, then second group of needle selecting knife (204) engagement selection piece group (9) of each of two drivers (201,202) Tooth (35).

11. circular knitter according to claim 9 or 10, including at least two fournisseurs (110) and at least connect a choosing Faller gill group (200), each selection piece group are located at two subsequent fournisseurs 110) between.

12. according to the circular knitter described in claim 9 or 10 or 11, wherein the knitting machine is variation spinning movement type.

13. a kind of needle method for moving circular knitter, wherein the knitting is preferably according to one in claim 9-12 A or multiple manufactures, the described method comprises the following steps:

The relative rotation between needle syringe (2) and driving cam (C) is held in generation；

Selection piece group (9) is acted on by needle selection equipment (200), to be moved to or be maintained at operative position by corresponding end (37) Set NOR operation position；

Wherein, if the relative rotation for holding needle syringe (2) relative to driving cam (C) generates on the first direction of rotation (CCW), Then first group of needle selecting knife (203) of at least one driver (201,202) is engaged with the tooth (35) of selection piece group (9)；

Wherein, if hold needle syringe (2) relative to driving cam (C) relative rotation generate with the first direction of rotation (CCW) On opposite the second direction of rotation (CW), then second group of needle selecting knife (204) of at least one driver (201,202) with The tooth (35) of selection piece group (9) engages.

14. according to the method described in any of the above-described claim, wherein the knitting machine is according to circle according to any one of claims 10 Type knitting machine manufactures, and is rotated with the first direction of rotation (CCW) relative to driving cam (C) if holding needle syringe (2), the first needle selection First group of needle selecting knife (203) of device (201) acts on selection piece group (9), so that end (37) are snapped into first (entrance) starting Point (300) and making takes off stitch and is in fournisseur (110), and first group of needle selecting knife (203) of the second slide cam selector (202) is made For (selector) selection piece group (9), so that end (37) are snapped into the second starting point (301) and tuck stitch are made to be in institute State fournisseur (110)；Wherein, it is rotated with the second needle direction of rotation (CW) relative to driving cam (C) if holding needle syringe (2), Second group of needle selecting knife (204) of the second slide cam selector (202) acts on selection piece group (9), so that end (37) are snapped into second Pin mark (301) and makes to take off stitch and be in different neighbouring fournisseurs (110), and the second of the first slide cam selector (201) Group needle selecting knife (204) act on (selector) selection piece group (9) so that end (37) be snapped into the first starting point (300) and Tuck stitch is set to be in the different neighbouring fournisseur (110).