DE7710581U1 - Device for turning knitted or crocheted articles such as stockings on processing machines, such as linking machines or the like - Google Patents

Description

PATENT ADVERTISEMENT DIPL.-PHYS. HEINRICH SEIDS

62 Wiesbaden ■ Bierstadter Höhe IS · PO Box 1206L · Telephone (06121) 56 5382 Postscheck Frankfurt / Main 181008-602 · Bank Deutsche Bank 395 63 72 · Nass. Sparkasse 108 00 30 öS

Wiesbaden, March 4th, 1977 D 23't S / rd

Italo DELLA 3ELLA
GmbH & Co. KG
Gutenbergstrasse 3
6501 Wörrstadt / Rhh.

Device for turning knitted or crocheted articles such as stockings on processing machines, for example, linking machines or the like.

The invention relates to a device for ending knitted or crocheted articles, such as stockings Processing machines, for example linking machines or the like, in which at least one tube is to be turned to slide one on Article provided on the outside of the tube and means for withdrawing the article through the inside of the tube are.

There are turning devices of this type are known in which the pushed onto the outside of the pipe to be turned Item is sucked through the inside of the tube (DT-OS 2 326 475). Since the article is turned over by

7710581 08.09.77

Dipl. ^ Hys. Heinrich acids patent attorney · Bierstaciter Höhe 15 ■ Pi 'li'adi S105 ■ 6200 Wiesbaden 1 · C? (061 21) 505382

If it is pulled from the outside of the tube over the circumferential edge of the tube end into the inside of the tube, considerable forces must be exerted on the article to be turned, especially if it consists of a more or less thick, more or less stiff knitted fabric. The mere suction device, de.3 items, is therefore not sufficient in many cases to achieve a safe turning process. It is also common for many types of ^:

Articles, for example stockings, provide that the suction effect j

does not start completely at the closed end of the article, '

but at a more or less large distance from diecem j

Linden tree. As a result, the turning process is not complete, iis is. \ therefore a constant control of the well-known via device: * on

necessary and often a subsequent complete! Turn over.

In contrast, the invention is based on the object of eir.e device to end knitted or crocheted articles, ν; ie stockings, in which the V. 'end process both with regard to the force applied to turn as well as with regard to the starting point of this force on the article to be turned is significantly improved, so that a safe, complete turning over and transporting away of the articles to be v / ended is guaranteed can be.

7710581 08.09.77

Dipl.-Thys. Heinruh Seid; raiei-.tanwalt ■ Bierstadter Höhe 15 · P.O. Box 5105 · 6203 Wiesbaden 1 ■ <ί £ "(0 όΐ 21) 5653 82

This object is achieved according to the invention in that i

the devices for pulling the article off the tube a \

controlled from the push-on side axially through the tube due to moving impacts and an on which the sliding side opposite

Transport roller pair arranged at the end of the pipe!

contains, in such a way that the ram can be displaced between this pair of transport rollers.

The invention ensures that any the force required to turn the item in question can be exerted. This makes the article to be turned safe Pulled over the edge of the pipe from the outside of the pipe into the inside of the pipe and safely turned over. By the transport roller pair and the running-in of the ram up between this Transport roller pair, a safe transfer of the article to this roller pair is achieved, so that articles of any length Not only can they be turned but also safely removed and transported.

A substantial improvement and further development of the invention can be achieved by an additional clamping device for the article pushed onto the outside of the tube, which is controlled temporally before the advance of the ram. Although the

7710581 08.09.77

Dlpl.-Phys. Heinrich Seids · Patent attorney · Bierstadtor Höht 15 · PO Box 5105 ■ 6200 Wiesbaden 1 · <Ü "(061 21) 5e> 53

j The plunger is in the lens, usually the closed end

Finding the article to be turned over offers this additional Clamping device increased security that the article is completely turned over. The jig causes namely that the article to be turned before the advance of the plunger with its closed end over the slide-on The end of the pipe is stretched. The ram then certainly hits this pretensioned closed end

! of the article to be turned over. In a preferred embodiment this jig can have a driver made of nachgieoigem Contain material that is pressed against the outside of the pipe or an article pushed over it in a timed manner and in this pressed-on state from the push-on pipe

; is moved to a distance along the pipe. In In this embodiment, the jig is suitable for a to bring about secure clamping over the pipe end on the slide-on side regardless of how much the work to be turned

article protrudes beyond the end of the pipe or is loose. Is ι namely the article to be v / ended over the pipe end; tensioned, then the '' driver made of flexible material slides over the knitted or knitted fabric of the article. 'In order to perform this function very safe, it is ^recommended: to the carrier with pressure cylinders, particularly

7710581 08.09.77

Dipl.-Phys. Heinrich Seids ■ PaU ntnruvalt ■ Bicrr-tadtcr Mühe 15 · Postfach 5105 · 6200 Wiesbad, 1 · ^r l £ iO61 21) 5lS53

r \ rn ο ι ι m

7 u 1 i η / ΐ ο n

.-! pressure cylinder and a pneumatic feed cylinder ^! benefit.

In a preferred embodiment, the plunger can be in the form of a Be formed rod that is in the fully advanced position with its free end between the transport roller engages, the transport rollers being provided with flexible guide rings as a counter guide for the push rod. Through this mutual exercise of the push rod and the transport rollers, there is an additional stabilization as soon as the free end of the push rod runs between the transport rollers. This stabilization enables a particularly safe Transfer of the article to be turned over to the pair of transport rollers. For this purpose, training has proven to be particularly advantageous, in which the one transport roller with an approximately central circumferential groove and one flexible on each side of this circumferential groove Guide ring is provided, while the second transport roller is one of the circumferential groove of the first transport roller opposite compliant guide ring carries.

The structure of the pair of transport rollers can be relatively simple, j, for example, it is sufficient to roll the transport around its circumference

i
to be covered with flexible material, for example foam rubber, j

7710581 08.09.77

Dipl.-I'hys. IIeiiiriih Si'id ·. l'.iU nl.uv.v.ilt Ιϋι · ι: .l.ulli-r ll.iln- 15 ·! '(> · .It.uh 5105 i.lluJ Like-.badcn 1 ■'. '. '.' UH. I -M) ScS-1112

constantly nachi-iebir a: n J ^ Γ an / ^T e. ^r eneina: ider to press un! ζ .: constant (-rerenlauf ir-.er) Or eh be we · - ^ r. - to drive.

The plunger can be pushed through the piston st at te 1 cylinder, for example a oneur.ati see cylinder ~ e picture et be.

On the one hand, to allow the blending process to run safely and to avoid any damage to the goods to be turned,

J but also the postponement of the article or the

To facilitate goods on the outside of the tube, in the context of the invention, the tube can be designed on the slide-on side with a smooth, curved edge and, for part of its length, with an axial slot of sufficient width for an article to be turned through. With many working ^; especially when adding round knitted stockings: the article must first be used for processing, for example! wise the linking, turned on the left side and turned back on the right side after the processing jump. E open end of the tube inserted with the aid of a finger and pulled over the outside of the pipe; for such operations of the respective products by _t A'usseren of the tube can forth through the slot and from there through the aufschiebseitiß. A first V'endvor ^ ang takes place. To

7710581 08.09.77

Dipl.-Phys. Heinrich Scids patent attorney ■ Bierstadtcr height 15 ■ Pnstfach 5105 ■ 6200 Wiesbaden 1 · $.? (Od 21) 56 53

Once the processing has been carried out, the article is then returned to its original condition turned back. Is the 'article ready3 in the right condition for the machining process and only j

i turn once after the work step, then he can di- |

be pulled straight over the slide-on end of the tube.

In any case, this embodiment of the pipe offers special features ^; Advantage for the semi-automatic operation of the device.

On processing machines, in particular linking machines, where the processing goose: with one revolution of the | Article is connected to the machine lock around, an A lsleitjngsform the invention is suitable in which a number of tubes is attached to orbital movement, w ^ ie: the orbit of the tubes between the ram with actuator .igseinrichtunic and the transport roller pair runs, and the circulation drive of the pipe arrangement is controlled to temporarily stop a pipe in position between the ram and transport roller pair, and devices for controlling the ram forward and • return are provided in this stopped position of a pipe.

Sin embodiment of the invention is based on the following the drawing explained in more detail. Show it:

7710581 08.09.77

! Dipl.-Phys. Heinrich Seid. Patent Attorney · Dierstadter Höhe 15 · Postfach M05 ■ 6200 Wiesbaden 1 · ®? (06121) 56 53

i Fig. i shows a linking machine according to the invention in

perspective representation;

2 shows a reversible tube in section; 3 shows a turning device in a front view;

4 shows a clamping device with a reversible tube in the starting position;

Fig. 5 is a partial view in the direction of arrow ¹¹ X "

according to Figure 4;

; 6 shows a pull-off device in a perspective illustration and

7 shows a side view according to FIG. 6 with a reversible tube.

In the drawings - in particular in Figure 1 - only the essential parts for the invention are shown, i.e. that all receiving devices for the bobbins as well as yarn feed devices, in particular have not been shown on the tool carrier head for the sake of clarity.

As FIG. 1 shows, the linking machine according to the invention has an i centrally arranged machine stand 1 and one above! arranged tool carrier head 2 with rail 3 for receiving reversible tubes 4 evenly distributed all around. The reversible tubes 4 are fixedly attached to the rail 3 and

7710581 08.09.77

Dipl.-rhys. Heinrich Seid * P.itent.inw.ilt ■ ßicrstadtcr Höhe 15 · l'nstiach 5105 ■ 6200 Wiesbaden 1 · y £ (061 21) 5653 Ö2

are set in circulation together with the tool carrier head 2. The turning pipes 4 thus pass through a feed station that has not been set up, a linking station that extends over most of the circuit and an indicated tensioning station "A" and peeling station "B". A pulling device 5 with a guide plate is located below the reversible tubes 4 in the pulling station "B" and above the turning tubes 4, the turning device 7 and, in the clamping station "A", the clamping device 8.

FIG. 2 shows the sectional view of a reversible tube 4. As the drawing shows, the push-on side 4a has a smooth one curved edge 9, through which any damage to the goods to be turned is avoided and the sliding is essential ^ is facilitated. An axial slot 10 with sufficient width for pushing through eir = s is towards part of the pipe length turning article, for example for ßarbeitungscang d-js Ketteins, trained.

As Figure 1 shows, the clamping stations A and the pulling station B arranged against one another in such a way that each one

Reversible tube 4 is located in these stations, preferably the two stations A and B arranged so that one reversible tube is in the extraction station B and the next in the clamping station

! tion A is located.

7710581 08.09.77

j Dipl.-Phys. Heinrich Seid * PatcTit.inw.il »■ Bicrstadtcr Höhe 15 ■ iV; tfadi 5105 ■ 6200 Wiesbaden 1 · <S '(0 6121) -56 53

iFunction and mode of operation of the linking machine according to the invention ■ is as follows:

Upon completion of the knitting process, it is necessary that the Zuketteln of circular knitted stocking this au ^r the left! Page turned, and then back to the right side back

must be turned. For this operation on a chain

machine is the stocking from the outside one on the Rail 3 fastened reversible tube 4 through the slot 10 and from there d; rch the open end face 4a on the slide-on side of the tube 4 with the help of a finger and pulled over the outside of the tube 4, the stocking on the left side is turned. During the chaining, the wanders up

the reversible tube 4 drawn stocking with the tool carrier head 2 to the next machining ^ ang until the reversible tube 4 with the linked stocking reaches tensioning station A. The clamping device 8 located there consists essentially - As can be seen from Figures 4 and 5 - from a pressure cylinder 11 and a pneumatic feed cylinder 12 with Piston rod 12 '.

At the lower end of the piston rod 12 'is a driver 13 with j arranged a pressure segment 14 made of resilient material. The pressure segment 14 has the same radius as the outer

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I Dipl.-Phys. Heinrich Seids patent attorney ■ Bierstadter Höhe 15 · P.O.Box 5105 ■ 6200 Wiesbaden 1 · @ (0 61 21) 56 53

diameter of the VJender pipe 4. The feed cylinder 12 is hinged at 15 and can be pivoted towards the turning tube 4 by the pressure cylinder 11.

However, before the clamping device 8 comes into action, is through j the plunger 16 of the turning device 7 before reaching the in the ! The turning tube 4 of the microswitch 17 located in the pulling station B

!, whereby the concentricity of the tool carrier head 2 is stopped

!will. Simultaneously with the standstill of the tool carrier head the driver 13 'with the piston rod 12 "is pushed against the in the clamping station B located reversing tube 4 or against the drawn one Stocking 18 - as shown in Figure 4 - pressed, with the pressure segment 14 made of flexible j material is applied to the article or stocking 18. Here-

■ on moves the piston rod 12 "to its lower end position, with de i
Downward movement of the piston rod 12 ″, the stocking 18 is carried along and the foot part is stretched over the slide-on side 4a or over the smooth, curved edge 9 of the turning tube 4. Simultaneously with the downward movement of the piston rod 12 ″, the plunger 16 of the turning device 7 also moves downward Indeed, centrically through the reversible tube 4 arranged underneath it. An article or stocking that is pulled onto this reversible tube 4 and stretched is then turned and through the reversible tube 4 down into the

7710581 08.09.77

Dipl.-Phys. Heinrich Seid * ■ Patent Attorney ■ Bierstadter Höhe 15 · P.O. Box 5105 · 6200 Wiesbaden I- & (0 61 21) 56 53

Working area of the puller 5 described later pushed *

After tensioning the stocking 18, the tensioning device 7 or the piston rod 12 ″ is pulled back into its normal position by the pressure cylinder 11 from the reversing tube H , the piston rod 12 'moving back to the upper end position. The ram 16 of the reversing device 7 also follows again back to its upper end position, and after passing the microswitch 17, it switches back to its "on ^ position". In this phase, the concentricity of the tool carrier head 2 begins anew until the next turning tube 4 with the tensioned article 18 is located exactly centrally under the ram 16 of the turning device 7. The timing of the turning device 7 now again causes the plunger 16 to! drive down and operate the microswitch 17. the

The concentricity of the tool carrier head 2 is stopped again, whereby the previously described work sequence of the clamping device is carried out.

: Function and mode of operation of the puller is based on ; of Figures 6 and 7 explained in more detail:

7710581 08.09.77

'Dipl.-Phys. Heinrich Seids ■ Patent attorney · Bierstadtcr 1 lohe 15 ■ P.O. Box 5105 · 6200 Wifsbi-jon I ■ ® (0 61? .L) 56 53

«

The extractor 5 consists essentially of the TransJ port rolls 19, 20. The front feed roller 20 may have a smaller diameter than the • by an electric motor 21 in constant rotation offset rear feed roller 19 have.

The transport roller 19 is still with a central circumferential

j groove 22 is formed, on each side of the circumferential groove 22

Guide rings 23 made of resilient material are arranged. The transport roller 20 is provided with a guide ring 24 which is also made of a flexible material and which, in this way is arranged so that it lies opposite the circumferential groove 22 of the transport roller 19. Below the two transport rollers 19, 20 ; a guide plate 6 is arranged. Both transport rollers 19, 20 j have a flexible covering on their circumferential surface Material.

While the transport roller 19, as already mentioned, is set in constant rotation by the electric motor 21, and with ! is coaxially connected to this, the transport roller 20 rolls over the circumference of the transport roller 19. Both transport rollers 19, 20 are attached to the mounting plate 26, the roller 20 , opposite · the roller 19 movable with respect to the horizontal distance is arranged and is pulled by the tension spring 25 against the roller 20 under a predetermined pretension. The bias

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Dlpl.-Phys. Heinrich SciJf, I'atciiUnwalt ■ Bierstacltcr Hohe 15 ■ Postfach 5105 · 6200 Wiesbaden 1 ■ ζ "; (0 61 2;) 5653

can be changed by adjusting screw 27. | As already mentioned, the ram 16 moves centrically

; the reversible tube 4 and pulls the over the slide-on side

4a of the reversible tube 4 clamped articles into the tube 4.

In the fully advanced position sic'.i is the free end of the ram 16 with the article or the stocking 18 between the transport rollers 19, 20, ie with its free end in the Urafangsnut 22. Here, the transport roller 20 is pressed outwards, with The guide ring 24, which is made of a flexible material, rests firmly against the plunger 16 or the stocking 18 by the spring 25 which is under tension. By the rotation of the transport roller 19 or by the guide rings 23 ν ,. The plunger 16 is guided laterally, the stocking 18 is grasped and pulled off the plunger 16. During the peeling process, the transport roller 20 is then set in rotation by the article 18 to be peeled off, and the article 18 is ejected through the guide plate 6 into a container below.

Through the workflow described, the one circumferential drive provides for the pipe arrangement of the reversible pipes 4, and a control for temporarily stopping a pipe 4 in position between the ram 16 or the turning device 7 and the pulling device 5 as well as a control for the ram

7710581 oa09.77

i Dlpl.-Phys. Heinrich Scids · Patent Attorney ■ Bicrstadtcr Höhe 15 · PostfaA 5105 · 6200 Wiesbaden 1 · <2? (Ool 21) 50 53 82

! - 15 -

I and ram return in the stopped position of the reversible tubes 4 a correct turning and ejection of the articles or socks drawn on the turning tubes is achieved.

-Protection claims-

7710581 08.09.77

Claims (10)

ι 1) Device for turning knitted or crocheted Articles, such as stockings, on processing machines, for example Linking machines ο the like. In which at least one Tube for pushing an article to be turned onto the Tube outside u.id facilities for removing the Ατι articles are provided through the interior of the tube, characterized in that the means for withdrawing the Article (18) moved axially through the tube (4) through the tube (4) in a controlled manner from the slide-on side (4a) The plunger (16) and a pair of transport rollers arranged at the end of the tube (4) opposite the slide-on side (4a) (19, 20) in such a way that the ram (16) up to between this transport V / roller pair (19, 20) is movable. 2) Device according to claim 1, characterized by an additional Timing before the advance of the ram (16) controlled clamping device (8) for the outside the tube (4) pushed article (18). 7710581 08.09.77 Dipl.-Plly; .. Heinriih Sr · Ul. Γ.ιΐι-r.i.irnv.ilt ■ Un ι: .1.1.11.τ I i. .11 ■■! · ■ ΙΊ.-tt.:. Li Mii: · t ·. > "V.: ι ·· .Ι · .ι Ji η Ι 3) Device according to claim 2, characterized in that the clamping device has a driver (13) made of flexible Contains material that is timed against the outside of the tube (4) or an article pushed over it (18) pressed and in this pressed state of from the pipe end (4a) on the slide-on side over a distance is moved along the tube (4). 4) Device according to claim 3, characterized in that the driver (13) with a pneumatic pressure cylinder (11) and a pneumatic feed cylinder (12) is. 5) Device according to one of claims 1 to 4, characterized in that the plunger (16) in the manner of a rod
which, in the fully advanced position, engages with its free end between the transport rollers (19, 20), the transport rollers (19, 20) being provided with flexible guide rings (23, 2h) as a counter-guide for the push rod (16). 6) Device according to claim 5, characterized in that the one transport roller (19) is provided with an approximately central circumferential groove (22) and on each side of this circumferential groove (22) j a flexible guide ring (23), while: 7710581 08.09.77 Dipl.-Phys. Heinrich Si-ids Palint.inw.ilt ■ Bierttadter Höhe 15 Γιι-lfdih 5105 · 62Ü0 Wiesbaden I ■ ΐ? (061 21) 5653 the second transport roller (20) one of the circumferential groove (22) the first transport roller (19) opposite yielding Guide ring (24) drives. 7) Device according to one of claims 1 to 6, characterized in that that the transport rollers (19, 20) on their Circumference with flexible material, e.g. foam rubber, occupied, constantly yielding pressed against each other on the circumference and are driven to constant rotary motion. 3) Device according to one of claims 1 to 7, characterized in that that the Jtossel (16) is formed by the piston rod of a pressure medium cylinder. 9) Device according to one of claims 1 bib I, characterized ~ e that the Hohr (-4) on the up side n with a smooth, curved edge (9) and on one part its length with an axial slot (10) is sufficient Width for pushing through one to be turned. Article (13) is formed. 7710581 08.09.77
Dipl.-Phys. Heinrich Seid ·. Pati-nt.inwnlt BierstaiJIcr Höhe 15 ■ Postfach 5105 ■ 6200 Wiesbaden 1 · <5? (06121) 56 53 82 / 10) Device according to one of the claims! up to 9, characterized that on a working in circulation Linking machine a plurality of tubes (M) to unroll movement: is attached, the orbit of the pipes between the plunger (16) with 3etätigunp-seineinrichtung and de- '. Transport roller pair (19, 20) runs and the rotary drive of the tubes (4) to temporarily stop each tube (4) in position between the ram (16) and the pair of transport rollers (19, 20) is controlled and that means (17) for controlling the ram forward and ram return are provided in this stopped position of a tube (4). tö 521 - &. 3ΛΊ-