CN101454492A

CN101454492A - Machine for automatically closing the end edge of a knitted tubular fabric, such as a stocking or a sock

Info

Publication number: CN101454492A
Application number: CNA2007800199386A
Authority: CN
Inventors: 保罗·康蒂; 费尔南多·罗西
Original assignee: NTA SRL
Current assignee: NTA SRL
Priority date: 2006-03-28
Filing date: 2007-03-27
Publication date: 2009-06-10
Also published as: WO2007110894A3; EP1999306A2; WO2007110894A2; ITFI20060080A1

Abstract

Machine for closing a tubular article, such as a stocking or a sock, from the inside, said article being started from the hem, sucked upwards by the hollow shaft of the plate on the same machine which has manufactured it.

Description

Be used for sealing automatically the machine of the ora terminalis of knitted tubular fabric such as stocking or socks

Technical field

The present invention relates to a kind of machine, it is used to make knitting tubular article such as stocking or the socks with blind end.

Especially, the present invention relates to a kind of circular knitting machine (knitting circular machine) with circular bed (needle bed) or needle cylinder, it is used to make tubular article, particularly sports socks, and it also is used for sealing an end of described article when finishing braiding.

The invention still further relates to a kind of method of on the machine that knits out knitting tubular article, directly sealing the end of these article, and a kind of in order to improving the method for conventional needle loom, so that can be directly on improved machine thus, seal this end of described article.

Background technology

In the manufacture process of the knitting tubular article of stocking, socks and so on particularly, described article are made into comprising on the circular knitting machine of needle cylinder.The article of making thus have initial edge and terminal edge.Terminal edge must be closed so that form the undertoe (toe) of described article.For this reason, the past uses circle to knit (loop-knitting) technology on so-called binding-off machine.Circle is knitted and is used to obtain undertoe almost seamless and almost level and smooth, sealing.Yet, as is known to the person skilled in the art, owing to need many personnel so that will wait to weave capable each independent lining (bush) or stitch (stitch) is inserted on the hook of binding-off machine, thereby this technology extremely influences the amount of labour.

Owing to be enough to cost and difficulty aspect the competent workman who carries out aforesaid operations seeking those, thereby the use that circle is knitted is fewer and feweri.Why Here it is designs the reason of the automation that makes new advances, and this new automation allows article are removed from machine, then is sent to the sewing machine (stitching machine) that cooperates with described machine specially.

WO-A-00/01869 has disclosed a kind of device and a kind of closing process, wherein utilize with knitting machine form one, specifically be arranged at sewing machine under the needle cylinder, with the toe linking of tubular article.Before tubular article was discharged fully by the knitting needle of knitting machine, tubular article was grasped by holding device, then was utilized the mid-term stage overturn system and was sent to the sewing machine that is positioned at the below.In case finish the stitching of article, article are removed by turning inside-out once more and from machine.The defective of this scheme is that it is complicated and need carry out sizable improvement to knitting machine, so that suturing mechanism is placed in wherein.

EP-A-1118700 has disclosed a kind ofly has the tubular guide utilized with the device of article from the system that knitting machine is removed, and wherein this tubular guide and needle cylinder are connected and are connected to the inside of needle cylinder coaxially.Then, the article of removing thus are sent to the system that is used for closed toe, it is outside as being positioned at a side of knitting machine that this system is positioned at knitting machine.Compare with previous system, the advantage of this system is that it can be easier to realize on traditional knitting machine.Yet particularly owing to need be able to regulate the axial dimension of the knitting machine of intervention, there are some restrictions in this scheme.

WO-A-98/38367 has disclosed a kind of like this machine, the plate that it has the tubulose needle-bar and is provided with hook.This machine uses the identical needle cylinder that is used for closed toe, and need not the extra integrally formed or outside sewing machine that cooperates, and has therefore reduced machine complexity.This is owing to thrust unit is realized, this thrust unit makes that the stitch at two edges to be sewed up can little by little overlapping pin semicircle to cylindrical shell (cylinder ' s needle semicircle).Yet the defective of this scheme is that it need carry out sizable improvement to knitting machine, so that thrust unit is placed in the cylindrical shell.In addition, this thrust unit can't be guaranteed the fabric that keeps to be transmitted effectively, and the step continuation property that makes stitch get together required causes the invalid use of machine time.

Summary of the invention

The objective of the invention is to, utilize a kind of can with simple and effective and efficient manner sealing article, compare through the improved knitting machine of limited number of time with traditional machine, solve aforesaid defective at least in part.

The present invention utilizes a kind of this purpose of circular Realization by Machine, and this circle machine is used to make the knitted tubular fabric as stocking or socks and so on, and this circle machine comprises: cylindrical shell is provided with circular bed; Plate is provided with a plurality of hooks that correspondingly are positioned at circular surface, so that pull down the stitch of fabric from described knitting needle, or the stitch of fabric is contained on the described knitting needle; Be used for to be sent to from the stitch that the knitting needle of first semicircle discharges the device of knitting needle of the relative semicircle of this cylindrical shell, wherein, described device is provided with the semicircle movable supporting base or the semi-ring of hook, it can be removed the stitch of fabric from the knitting needle of first semicircle, and makes described stitch be overlapped in relative semicircle by the described supporting base of upset on described relative semicircle.Especially, described device construction is: by with this supporting base from a basic coplane of semicircular surface or a parallel position with the corresponding plate of knitting needle of first semicircle, turn to a basic coplane of relative semicircular surface or a parallel position with this plate, so that described stitch and semicircular surface overlaid corresponding to the plate of the knitting needle of described relative semicircle.

Because said apparatus, by using plate with needle cylinder identical plate and the needle cylinder used with the machine that is used for woven article, realization is to the stitching at two edges of tubing, and do not need to seek help from outside sewing machine and have a limited number of fabrication stage.Because all stitch at an edge all are sent to the stitch at another edge simultaneously by the upset supporting base, therefore need not to carry out capable continuously transmission.In addition, because these hooks have firm and reliable holder,, guaranteed good suture quality thus so the transmission of row can be carried out very effectively.

Easily, this machinery is provided with retraction mechanism, and it can be recovered to tubing the relative side with respect to plate of this cylindrical shell.Especially, this plate be hollow and form one with quill shaft, this fabric retraction mechanism is a pneumatic means, it is drawn into fabric in the hollow bulb of plate along direction opposite with respect to the hollow bulb of axle.Make it possible to regain the article of the position that is in turning inside-out like this, and then carry out the sealing of these article, and need not to seek help from the device that before stitching, makes described article turning inside-out.The article that finally obtain originate in the article of tape edge for it, wherein closed toe internally on the machine identical with the machine that is used to make article.

In order to make these article can pass the hollow bulb of this plate and this hollow bulb, the diameter of this type of hollow bulb must be quite big, and is especially true under the situation of light and soft resilient article such as sports socks.On the other hand, because the diameter of this needle cylinder, and then be that the diameter of this plate is influential to the diameter of the fabric that remains to be made, for example, under the situation of adult's socks, it is 4 inches, thereby the diameter of the hollow bulb of the hollow bulb of plate and axle just can not be wide as desired.Easily, according to the present invention, the diameter of hollow bulb is about the 40-50% of the diameter of needle cylinder, significantly be needle cylinder diameter about 45%.In order to obtain the described size that pierces through, the hook of plate only is provided with a heel, and their size is compared littler with traditional mono-cylindrical machines.For guaranteeing the valid function of described hook, these hooks remain in the corresponding groove by the sheet metal that is anchored on described plate.Sheet metal can not only prevent that hook from leaving guide during normal running, and according to one embodiment of the invention, rotates so that with overlapping of being kept and then when sealing the undertoe of these article, sheet metal can also maintain described hook in the part of this plate.

According to another embodiment of the present invention, this plate is divided into first and second portion, is also referred to as half plate, and each part is the semiarch of ccontaining described hook all.Described first can be with respect to the motion of described second portion, thus make first turning and with described second portion overlaid, realize the stitching of undertoe thus.Especially, described first and described supporting base form as one, the hook of described supporting base at least in part with the hook overlaid of the first of this plate.In particularly advantageous embodiment of the present invention, the first of this supporting base and this plate is overlapping.In fact, the function of this plate is sent to another edge of the fabric that is woven for the edge of fabric that will be woven, so that can sew up.For this reason, the first of this plate radially axis is hinged on the second portion, so that rotate 180 ° basically towards needle cylinder, so that overlapping with described second portion, but this cylindrical shell and/or this plate are lengthwise movement, so that realize described rotation.

Easily, the rotation by the hollow toothed shank in the quill shaft of this plate makes the inclination of the first of plate, and wherein said toothed shank engages with spool, and this spool utilization pin or analog are anchored on the first of this plate.

Selectively, by bar the first of plate is overturn, described bar is hinged to the first of this plate and plays the effect of connecting rod.

According to another embodiment of the present invention, this supporting base and this needle cylinder form as one, and supporting base is usually located at the top base of this cylindrical shell or is positioned on the substantially parallel plane, towards with the plate of the corresponding decline of the knitting needle of first semicircle plane below.This supporting base mechanically is connected with this cylindrical shell, so that the plane of this decline that raises, and upset is positioned at the surface of basic coplane at the knitting needle place of described relative semicircle, thereby seals this article.Usually, this supporting base adopts axis radially to be hinged to the semi-ring of pedestal of cylindrical shell or the form of sector, so that pivot 180 ° basically towards this plate, and selectively himself is positioned cylindrical shell pedestal place along the diameter facing surfaces, but this cylindrical shell and/or this plate lengthwise movement are rotated so that realize.

Easily, the quill shaft of this plate is connected with joint, and it may form as one with antitorque device, discharges from a side relative with this plate of this cylindrical shell so that will become straight article.At one easily among the embodiment of the present invention, before discharging these article, utilize suitable device that article are suitably stretching.This device comprises: be used for the tubular shell of clamp device, this clamp device is positioned at the quill shaft of plate or is positioned on the joint of plate; And the reverse device of inlet flow that is used to make these article.The end towards this plate of this tubular shell is provided with the closer (shutter) with adjustable gap, so that be reversed to for example utilize the standard discharge pipe of the conventional machines that is positioned at the bottom at inlet flow, with fabric when the side relative with described plate of described cylindrical shell regained, gripping body can be stretched out, and then keep described article.In fact, the article that are reversed are kept by this clamp device, and are not to be discharged by the top suction tube.Reverse to the swabbing action of descending pipe by making from last pipe, article are straightened thus, thereby are ready to by following pipe these article be discharged when clamp device discharges it.

According to another embodiment, the present invention relates to a kind of method of utilizing an end of machine closed tube article, according to the present invention, this method may further comprise the steps:

(a) fabric hollow bulb, just manufactured that will be upward through the axle of the hollow bulb of plate and plate is regained;

(b) when producing these article, the stitch of one of needle cylinder of two and half ones is contained on the hook of described supporting base, so that closed toe;

(c) described stitch is discharged from described knitting needle;

(d) longitudinally remove the cylindrical shell of this plate, so that supporting base can rotate;

(e) supporting base is rotated, so that will be contained in the needle cylinder that stitch on the hook is sent to the second half ones;

(f) knitting needle of described the second half ones is activated, so as between the stitch that so transmits and the stitch that is kept the ladder-proof edge of formation.

For example, this machine can be board-like, and this plate is divided into first and second portion, and as mentioned above, described first can be with respect to described second portion motion.In the case, according to the step (b) of aforesaid method, maybe advantageously, the stitch of the knitting needle of the second half ones is installed on the hook of second portion of this plate; And according to step (e), the first of this plate can be reversed, so as with the stitch overlaid that hook kept by two parts of this plate.Before this half movable plate began to rotate, the hook of this plate is radially withdrawal at least in part, and stretched once more, so that described knitting needle can pick up two overlapping edges, and sewed up by a plurality of ladder-proof lacing wires back and forth.

If this machine is provided with the undivided plate with hook supporting base, wherein this supporting base is restricted to this needle cylinder, according to the step (e) of aforesaid method, behind the upset supporting base, the stitch of the knitting needle of described the second half ones can install on the corresponding hook of this plate.Before this supporting base begins to rotate, the hook of this supporting base is radially withdrawal at least in part, and stretch once more, so that described edge can be overlapped, and then make described knitting needle can pick up the fabric that is woven of two overlapping edges, and sew up by a plurality of ladder-proof lacing wires back and forth.

Preferably, according to the step (a) of aforesaid method, just passing the axle of this plate and this plate, tension pneumatically in the suction tracheae at manufactured tubing.For this reason, the hollow bulb of the axle of the hollow bulb of this plate and this plate must be enough greatly, so that can allow article to pass, for example is about in the scope of 45-50% of diameter of this cylindrical shell.When this lower end had been closed, fabric was just discharged by described knitting needle and is sucked in the tracheae.

Easily, according to the present invention, this method also comprises following steps:

The clamp device that is placed in this suction tracheae is provided;

Make this clamp device to stretch out, so that hook an end of fabric from its position;

Make swabbing action reverse, so that regain the fabric that holds down thus;

Control this clamp device, so that can not hook an end of fabric;

Discharge the fabric that turns to the right side thus.

According to another embodiment, the present invention relates to a kind of like this method, it will be used to make the plectane machine of knitted tubular fabric such as socks and so on and be used for automatically, and the device at closed end edge is assembled together, and obtains machine according to the invention thus, and above method may further comprise the steps:

With hollow and axle that be enough to allow plate that these article pass and axle to replace this plate and this plate, this plate is divided into first and second portion, and described first can be with respect to described second portion motion, so that described second portion rotates and upset;

For the invention provides tracheae, this tracheae is used to aspirate the article of the axle that passes this plate and this plate;

Provide a kind of first that controls this plate to turn to the turning device of described second portion;

For the invention provides a kind of control module, it has been set so that implement step in the method according to this invention.

Carry out a little adjustment, just be enough to make up the machine, the machine according to the invention that come from traditional type, the axle that for example replaces this plate and this plate with half plate of a pair of hollow and quill shaft, and by upgrading the program of this machine operation of control, so that when finishing manufacturing, carry out the upset order (sequence) and the stitching at edge.

Other feature and improvement are contained by dependent claims.

Below detailed description by accompanying drawing, feature of the present invention and consequent advantage are better emphasized.

Description of drawings

Fig. 1 shows the longitudinal section according to the machine of first embodiment of the invention, and it shows the plate with quill shaft, and this plate is divided into half fixing plate and half movable plate;

Fig. 2 shows the view of the quill shaft of the plate with half fixing plate and corresponding semiarch of linking up with;

Fig. 3 shows the half movable plate and the view in a plurality of holes, and half wherein movable plate pivots at the two ends of quill shaft, and sheet metal is anchored on this hole;

Fig. 4 shows the view of the cam of the action of controlling hook;

Fig. 5 shows the upset situation of half movable plate;

Fig. 6 shows the half movable plate that is turned to fixing plate;

Fig. 6 A shows half plate shown in Figure 6 with enlarged drawing;

Fig. 7 shows when the hook of plate has been withdrawn, the situation that the two edges of knitted fabric are sewed up;

Fig. 8 shows the situation that the article to undertoe with stitching separate with sectional view;

Fig. 9 shows the situation of discharging from the article that the are reversed top of the undertoe with stitching;

Figure 10 shows the form identical with Fig. 9, wherein is provided with antitorque unit on the top of hollow tube;

Figure 11 shows the anchor clamps of the device that is used for stretching article with amplification sectional view;

Figure 12 shows the device that is used for stretching article, and its undertoe with the article that kept by anchor clamps is operated;

Figure 13 shows the longitudinal section of machine according to another embodiment of the present invention, and this machine has undivided plate and is positioned at the semi-ring of the inclination on the needle cylinder;

Half plate of the inclination when Figure 14 shows 180 ° of rotations shown in Figure 13;

Figure 15 shows the semiarch of the hook of plate, and at this moment, this semiarch makes the edge that woven engage so that itself and another imbricate from knitting needle;

Figure 16 shows another form of machine shown in Figure 1, wherein is provided with the different device of the half movable plate that is used to overturn.

The specific embodiment

According to the present invention and with reference to above explanation, this machine is traditional end of tubular needle loom, and it is representative to be positioned at the round pin hat 1A, the 1B that support the rotation on the cylindrical shell (only showing top), and this machine is made knitting tubular article M in

common mode.Plate

3,4 is provided with coaxially, and is positioned on the needle cylinder, and wherein,

hook

5A, 5B radially slide.Plate is supported by plate support 6, and is set at by axle 2

rotations.Plate

3,4 and axle 2 are hollow, so that when making progress smoking article by suction tracheae (not shown in the accompanying drawing), article can therefrom be passed.In a relative side, in the inboard of needle cylinder, pipe 11 is set down so that suction and discharge to become straight article, as following further shown in.Manage 11 down and be fabricated to anti-the rotation, but with respect to cylindrical shell vertically and motion vertically.

Of the present invention as Fig. 1 to the embodiment shown in Figure 12, plate is divided into two

semi-rings

3,4, is also referred to as half plate.As shown in Figures 2 and 3, half plate 3 is fastened to axle 2; And half plate 4 is articulated in the end of axle 2, and utilize profile of tooth spool 12A and pivot 12B to rotate (revolve) around longitudinal axis X-X at the two ends of axle 2, so that overturn 180 ° substantially, thereby overlapping with half fixing plate 3, wherein profile of tooth spool 12A is anchored on half plate 4 by pin 9.Realize upset by the rotation that is positioned at axle hollow toothed shank 18 12 inboards, that engage with spool 12A.The bar 14 that axle 18 is set at by being activated by two-way ram 15 rotates, and it drives lining 13 by the pivot 13S that is inserted among ring (loop) 11A, makes lining resist by pin 17 and rotates.

Selectively, as shown in figure 16, half movable plate 4 can be set at by hinged bar 112 thereon rotates in the center.Bar 112 is applied to the motion of its upper end by the bearing 113 by cam rotation, and plays the connecting rod effect.Figure 16 utilizes dotted line to describe all places of bar 112 with respect to the angle of rotation that is applied to half movable plate 4.Compare with gear forms, this form is particularly advantageous to be, because the radius of clean-up is bigger, thereby it is simpler and safer from machinery.In addition, article can not produce the risk that adheres in the gear.

The hook of plate is by

cam

21,22 and cam 7 controls, and

cam

21,22 is installed on the plate holder gripping member 6, and cam 7 is placed in down in the pipe 11.In the course of normal operation of machine, the heel 220 of hook 5A, the 5B of

cam

21,22 and plate interacts, and radially withdraws from and enter once more (re-entry) so that regulate respectively.When upset, cam 7 is regulated the motion of the hook 5B of half plate 4, so that seal the required step of article.Cam 7 also can externally ccontaining with respect to cylindrical shell (referring to the Reference numeral 7A of Fig. 4), particularly aside so that carve in due course, utilize described cylindrical shell inboard radially and vertical motion and locating.

Fig. 6 ° with enlarged drawing show after first half plate forwards on second half plate, two half overlapping

plates.Hook

5A, 5B only have a heel 220, and are kept by sheet metal (plaque) 20, and this sheet metal 20 utilizes screw 120 to be fastened to corresponding half plate.

With reference to figure 5 and Fig. 7, will in the following fabrication stage, summarize the operational circumstances of machine.

Phase I comprises utilizes the pin hat to make the tube shape of forming article M, and its method of operating is common for all circular knitters.Article just are being carried out when making, upwards aspirated and in the quill shaft 2 of plate by turning inside-out.In case tube shape has been made for pre-set length, two semiarch of hook 5A, the 5B of plate just are controlled as the lining of the whole circumference of catching knitting needle 1A, 1B successively.After finishing several lacing wire row (lacing rows), knitting needle discharges knitted fabric, this knitted fabric thereby whole circumference by hook on hook 5A, 5B.In this stage, hook is in the inside withdrawal, and half movable plate 4 rotates 180 °, and the unit of plate rises so that allow to rotate (Fig. 5) along vertical axis simultaneously, then at descend once more after finishing rotation (Fig. 6).When this finished in stage, the stitch of edge PB that remains on the undertoe on the hook of stitch and the half movable plate 4 that remains on inclination of edge PA of the undertoe on the hook of fixing plate 3 was overlapping.Subsequently, these two edge PA and PB are transferred into the semiarch that pierces through fabric of knitting needle 1A subsequently, tightly are positioned at (Fig. 7) after the ring of these two the edge PA that are used for sewed toe and PB.Behind some lacing wire row, knitting needle 1A discharges the stitch of the article M (Fig. 8) with closed toe that is finished.Stitch is to the transmission of linking up with 5A, 5B, and after half movable plate 4 tilted, they were determined by the radial motion of described hook that to the transmission of knitting needle 1A wherein, hook is by being positioned at the cam 21,22 on the plate holder gripping member 6 and being positioned at cam 7 controls of managing down on 11.

Because upper suction is sewed up and lacing wire operation subsequently in the inside of preparing the article of discharge (ejected) thus.Discharging operation can utilize pipe 32 to carry out, and wherein goes up pipe 32 and is connected with the quill shaft of plate 2 by joint (union) 23, and as shown in Figure 9, it may be equipped with the antitorque device 24 that is used to make stocking ML.In this case, when the sealing of finishing undertoe, knitting needle 1A discharges stitch, and article M is just discharged by turning inside-out ground.Discharging operation also can utilize down pipe 11, by making pumping direction oppositely and use a kind of straightening device easily (straightening device) as described below to carry out.

With reference to Figure 10 and Figure 12, straightening device comprises: pipe 30, and it is inserted in the quill shaft 2 of plate coaxially; And clamp device (tong device) 10, it is placed in the lower end of pipe 30.

The vertical motion of article by the convenient connector that is shaped 27 sealings, so that when woven article, is not interfered usually in the lower end of pipe 30.When article are sealed by knitting needle 1A and discharge, cap (lid), the undertoe P that manages 30 end and article in general produces and interferes, thereby utilizes upper suction AS to keep undertoe P (referring to Figure 11).

Clamp device 10 comprises piston 26, and this piston 26 overcomes the effect that is applied by spring 28, and drives two knitting needles 25 that are positioned at connector 27 outsides.So the undertoe P of the article that upwards kept by swabbing action AS is pierced through by two knitting needles 25 and be then clamped, when piston 26 finished its stroke by the stop device that is positioned at pipe 30 inboards, two knitting needles 25 were drawn close.When the anchor clamps that no longer are provided power are opened by the drawing back function that is applied by spring 28 and be retracted to it in the position of pipe within 30, reverse by making to the suction streams of following pipe from last pipe, the fabric that is kept by undertoe is just by turning inside-out, and then finally discharges by pipe down.

With reference to figures 13 to Figure 15, according to another embodiment of the present invention, provide a kind of undivided plate 3 ".The overlapping utilization hook 5B on the knitting needle of semicircle at the edge of turning inside-out and fabric " movable semicircle supporting base 4 " realize, this semicircle supporting base 4 " be restricted to the top of cylindrical shell; its with the identical mode of above-mentioned movable half plate 4, with plate 3 " some hook 5A cooperating.Obviously, this plate also can be divided into two parts.

Supporting base 4 " be contained in the cylindrical shell, and adopt form, this supporting base 4 along the hinged semi-ring of the longitudinal axis of cylindrical shell 12 ' " can longitudinally move so that by part 18 " effect raise and rotate 180 °.The hook 5B of two heels " by the cam 7 that also is arranged in cylindrical shell " motion.When making article, the supporting base inertia also is contained under the plane of pressing plate (platen) with the hook of withdrawal.When this operation finished, supporting base rose to the top, plane of pressing plate, so that the semiarch of knitting needle 1B is contained in by cam 7 " the hook 5B of motion " on, the semiarch with knitting needle 1A is connected to the fabric that is woven simultaneously.At this moment, supporting base 4 " hook 5B " inwardly withdrawal, supporting base 4 " upwards rotate 180 °, the unit of plate rises so that can rotate (Figure 14) along vertical axis simultaneously, then finishes descend once more when rotating (Figure 15).When this finishes in stage, the edge PA of the undertoe on the semiarch that is present in knitting needle 1A " the stitch place, the edge PB of undertoe " stitch remain on supporting base 4 " hook on.Subsequently, edge PA " be sent to plate 3 from knitting needle 1A " hook 5A, and then with by supporting base 4 " the edge PB that keeps of hook " overlapping.According to subsequently, with the identical operations of above explanation, two edge PA " and PB " be transferred into the semiarch of the knitting needle 1A that pierces through fabric, it tightly is positioned at and is used for sewed toe PA " and PB " the ring at edge after.After some lacing wire row, knitting needle 1A discharges the stitch of the article M of undertoe that finished, that have sealing.So, supporting base 4 " can rotate once more, and it is repositioned onto its initial position.With reference to the first embodiment of the present invention, article are discharged from aforesaid mode, and may turning inside-out.

Certainly, implementation detail of the present invention be not limited to the above with shown in embodiment, change but can make widely, particularly change according to the method for being constructed; But above-mentioned change does not deviate from the above-mentioned the present invention and the spirit of appending claims.

Claims

1. circular machine that is used to make knitted tubular fabric (M), described knitted tubular fabric (M) is stocking or socks etc. for example, described machine comprises: cylindrical shell, it is provided with circular bed (1A, 1B); Plate (3,4,3 "), it is provided with a plurality of hooks (5A, 5B), described hook correspondingly is positioned on the circular surface so that pull down the stitch of fabric from described knitting needle (1A, 1B), or with the stitch of fabric be contained in described knitting needle (1A, 1B) on; Be used for being sent to the device (4,4 ") of the knitting needle (1A) of the relative semicircle of described cylindrical shell, it is characterized in that by the stitch that the knitting needle (1B) of first semicircle discharges,

Described device comprises the semicircle movable supporting base (4,4 ") of described hook (5A, 5B "), its stitch with fabric (M) is removed from the knitting needle (1B) of described first semicircle, and makes described stitch be overlapped in relative semicircle (1A) by the described supporting base of upset (4,4 ") on described relative semicircle.

2. machine as claimed in claim 1, wherein, described device construction is: by making described supporting base (4,4 ") from a basic coplane of semicircular surface or a parallel position with the corresponding plate of knitting needle (1B) (4) of described first semicircle; turn to a basic coplane of relative semicircular surface or a parallel position with plate (3), makes described stitch and semicircular surface overlaid corresponding to the plate (3) of the knitting needle (1A) of described relative semicircle.

3. machine as claimed in claim 1 or 2, wherein, be provided with can make tubing be recovered to described cylindrical shell, with respect to the device of the relative side of described plate.

4. machine as claimed in claim 3, wherein, described plate (3,4) forms as one with axle (2), described plate (3,4) and described axle (2) are hollow, the device that is used to make article to regain is an air-breather, its fabric in hollow bulb of plate is drawn in the hollow bulb of described axle, with respect to described needle cylinder (1A, relative side 1B), the hollow bulb of described axle and the hollow bulb of plate are enough big, so that described article can pass.

5. as claim 3 or 4 described machines, wherein,

The diameter of the hollow bulb of the hollow bulb of described plate (3,4) and/or described axle (2) is approximately the 40-50% of the diameter of described needle cylinder (1A, 1B), particularly be about described needle cylinder (1A, 1B) diameter 45%.

6. one or multinomial described machine in the claim as described above wherein, are provided with cam (7,7A), and itself and described cylindrical shell form as one, described cam (7,7A) be intended to be used to the to move hook (5B) of described supporting base (4,4 ").

7. machine as claimed in claim 6, wherein, the heel of the semiarch of the hook (5B) on described cam (7,7A, 7 ") and the supporting base that is installed in inclination (4,4 ") interacts, described cam (7,7A, 7 ") is placed in the described cylindrical shell or is positioned at a side of described cylindrical shell; so that when operation, himself radially and vertically is positioned in the described cylindrical shell.

8. one or multinomial described machine in the claim as described above, wherein, described plate is divided into first (4) and second portion (3), the semiarch of all ccontaining described hook of each part (5A, 5B), described first (4) can be with respect to described second portion (3) motion in case upset and with described second portion (3) overlaid, thereby carry out the sealing of described article (M).

9. machine as claimed in claim 8, wherein, described first and described supporting base form as one, the hook of described supporting base (5B) at least in part with the hook overlaid of the first (4) of described plate.

10. machine as claimed in claim 9, wherein, the first of described supporting base and described plate (4) overlaid.

11. as one or multinomial described machine in the claim 8 to 10, wherein, the first of described plate (4) radially axis is hinged to described second portion (3), so that rotate 180 ° towards described needle cylinder is approximate, with with described second portion (3) overlaid, described cylindrical shell and/or described plate are for vertically movable so that realize described rotation.

12. machine as claimed in claim 11, wherein, rotation by the hollow toothed shank (18) in the quill shaft (2) of described plate is tilted the first (4) of described plate, described toothed shank (18) engages with spool (12A), and described spool (12A) utilizes pin or analog (9,12B) to be anchored on the first (4) of described plate.

13. machine as claimed in claim 11, wherein, the effect of connecting rod is gone up and played in the first (4) that makes first (4) upset of described plate, described bar (112) be hinged to described plate by bar (112).

14. as one or multinomial described machine in the claim 1 to 7, wherein, described supporting base (4 ") forms as one with described needle cylinder (1A, 1B); and be usually located at the top base of described cylindrical shell or be positioned at the plane that is basically parallel to described top base, the described plate under the plane of, pressing plate corresponding with the knitting needle (1B) of described first semicircle (3 ").

15. machine as claimed in claim 14, wherein, described supporting base (4 ") mechanically is connected with described cylindrical shell, so that the plane that raises and descend; and upset is positioned at the surface of the basic coplane that the knitting needle (1A) of described relative semicircle locates, thus seal described article.

16. as claim 14 or 15 described machines, wherein, described supporting base (4 ") adopts axis radially to be hinged to the form of semi-ring of the pedestal of cylindrical shell (12 "), so that rotate 180 ° towards described plate (3 ") is approximate; and selectively himself is positioned to be basically parallel to described cylindrical shell pedestal, along the diameter facing surfaces; but described cylindrical shell and/or described plate are lengthwise movement so that realize described rotation.

17. one or multinomial described machine in the claim as described above, wherein, the hook of described plate (5A, 5B) is controlled by pair of cams (21,22), described cam (21,22) is installed on the plate support (6) that is positioned at respect to the relative side of described needle cylinder (1A, 1B).

18. one or multinomial described machine in the claim wherein, are provided with the joint (23,32) that is connected with the quill shaft (2) of described plate as described above, in order to discharge the article that become straight.

19. one or multinomial described machine in the claim wherein, are provided with the antitorque device (24) that is connected with the quill shaft (2) of described plate as described above.

20. one or multinomial described machine in the claim as described above wherein, are provided with the part relative with described plate that is used to pass described cylindrical shell and regain and/or discharge the device of tubing (11,11 ").

21. one or multinomial described machine in the claim as described above, wherein, be provided with the device that is used for stretching described article, it comprises: be used for the tubular shell (30) of gripping body (10), described gripping body (10) is positioned at the quill shaft (2) of described plate or is positioned on the joint (32) of described plate; And the reverse device of inlet flow that is used to make described article.

22. machine as claimed in claim 21, wherein, the end towards described plate of described tubular shell (30) (P) is provided with the closer (27) with adjustable gap, so that when inlet flow is reversed to that fabric is retracted to the side relative with described plate of described cylindrical shell, described gripping body (10) can be stretched out, and then keep described article.

23. a method of utilizing in the claim as described above an end of or multinomial described machine closed tube article is characterized in that this method may further comprise the steps:

(b), the stitch of one of the needle cylinder of two and half ones (1B) is contained on the hook (5B, 5B ") of described supporting base (4,4 ") when producing described article and when wanting closed toe;

(c) described stitch is discharged from described knitting needle (1B);

(d) longitudinally remove the cylindrical shell of described plate, so that described supporting base (4,4 ") can rotate;

(e) described supporting base (4,4 ") is rotated, so as will to be contained in stitch on the described hook (5B, 5B ") be sent to described the second half ones needle cylinder (1A) near;

(f) needle cylinder (1A) of described the second half ones is activated, so as between the stitch that so transmits and the stitch that is kept the ladder-proof edge of formation.

24. method as claimed in claim 23, wherein, described machine is provided with the plate that is divided into first (4) and second portion (3), described first (4) can move with respect to described second portion (3), described supporting base is made up of described first (4), described method is characterised in that: according to described step (b), the stitch of the knitting needle (1A) of described the second half ones must be contained on the hook of second portion (3) of described plate; And according to described step (e), the first of described plate (4) must be reversed, so that by the stitch overlaid that hook kept of two parts (3,4) of described plate.

25. method as claimed in claim 24, wherein, before described movable half plate (4) begins to rotate, hook (the 5A of described plate, 5B) radially withdrawal at least in part, and stretch once more, so that described knitting needle (1A) can pick up the stitch of two overlapping edges (PA, PB), and sew up by a plurality of ladder-proof lacing wires back and forth.

26. method as claimed in claim 23, wherein, described machine also is provided with and has the hook supporting base the undivided plate (3 ") of (4 "), described supporting base (4 ") is restricted to described needle cylinder; described method is characterised in that; described step (e) comprising: behind the described supporting base of upset (4 "), the stitch of the knitting needle (1A) of described the second half ones is contained on the corresponding hook (5A) of described plate.

27. method as claimed in claim 26, wherein, before described supporting base (4 ") begins to rotate; hook (5B) the radially withdrawal at least in part of described supporting base (4 "), and stretch once more, so that described edge (PA ", PB ") can be overlapped, and then described knitting needle (1A) can pick up the stitch at described two overlapping edges, and sews up by a plurality of ladder-proof lacing wires back and forth.

28. as one or multinomial described method in the claim 23 to 27, it is characterized in that, described step (a) comprising: the axle that is just passing described plate and described plate at manufactured tubing, tension pneumatically in the suction tracheae, the axle of described plate and described plate is enough big so that described article are passed.

29. method as claimed in claim 28, wherein, when described end edge had been closed, fabric was just discharged by described knitting needle (1A) and is sucked in the described tracheae.

30. method as claimed in claim 29 wherein, also comprises following steps:

The clamp device that is placed in the described suction tracheae (10) is provided;

Make described clamp device (10) to stretch out, so that hook an end of fabric from its position;

Make described swabbing action reverse, so that regain the fabric that holds down thus;

Control described clamp device (10), so that can not hook an end of fabric;

Discharge the fabric that turns to the right side thus.

31. the plectane machine that will be used to make knitted tubular fabric such as socks and so on be used for the method that the device at closed end edge automatically is assembled together, this method may further comprise the steps:

With hollow and axle that be enough to allow plate that described article pass and axle to replace described plate and described plate, described plate is divided into first (4) and second portion (3), described first (4) can be with respect to described second portion (3) motion, so that described second portion rotates and upset;

For the invention provides tracheae, described tracheae is used to aspirate the article of the axle that passes described plate and described plate;

Provide a kind of first that controls described plate to turn to device on the described second portion;

Provide a kind of control module that has been programmed, so that carry out as the step in or the multinomial described method in the claim 23 to 30.