WO2005017246A2 - Strick- oder kettenwirkmaschine zum maschinellen maschenbilden mit zugehörigen maschenbildungselementen - Google Patents
Strick- oder kettenwirkmaschine zum maschinellen maschenbilden mit zugehörigen maschenbildungselementen Download PDFInfo
- Publication number
- WO2005017246A2 WO2005017246A2 PCT/EP2004/008187 EP2004008187W WO2005017246A2 WO 2005017246 A2 WO2005017246 A2 WO 2005017246A2 EP 2004008187 W EP2004008187 W EP 2004008187W WO 2005017246 A2 WO2005017246 A2 WO 2005017246A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- needle
- transfer hook
- hook
- stitch
- knitting
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/06—Sliding-tongue needles
Definitions
- Knitting or warp knitting machine for machine stitch formation with associated stitch formation elements
- Devices for machine stitch formation with at least one continuous thread are known, in which the thread is moved as a loop through the previously formed stitch by means of the hook part of a knitting or knitting needle and forms a new stitch.
- the walls of a needle channel each have a recess which is open at the top and which forms a vertical sliding edge.
- the knitting or knitting needle is in the needle channel! mounted and constructed in such a way that it can be moved back by means of a transfer hook which can be moved in the longitudinal and vertical directions beyond the center-side vertical edges of the recess.
- the knitting or knitting needle has a slot below the needle hook, into which a downward-directed transfer hook which can be moved in the horizontal and vertical directions can be penetrated.
- the needle hook is offset by the amount of the penetration depth of the transfer hook.
- the knitting or knitting needle has a slot below the needle hook, into which a downward-moving transfer hook which can be moved in the horizontal and vertical directions can be penetrated.
- the front support surface of the transfer hook can be moved perpendicularly to the needle hook during its upward movement relative to the needle hook by the depth of the area of the transfer hook engaging in the slot.
- the prevailing conditions in the types of machines mentioned are difficult and very different, so that insignificant details are decisive for the practical implementation of the designs can.
- the known devices mentioned have as a common feature a downward transfer hook for holding the last stitch formed, through which a new thread is drawn (spliced). This arrangement has various advantages over the previously customary stitch formation.
- the object of the invention characterized in claim 1 is to provide a knitting and warp knitting machine in which the control of the stitch formation elements and also the stitch formation elements for advanced pattern applications are simplified with high performance and security and greater stability of the transfer hook with a self-cleaning effect when immersed in enable the needle slot for the finest needle designs -
- the invention can in principle be advantageously used for all the machine variants mentioned. It offers a wide range of patterning options, even for the finest divisions with the aim of solid knitted fabrics.
- the development according to claim 2 facilitates the stitch transition from the needle face to the holding section of the transfer hook for the finest needle designs and the controlled lifting of the transfer hook from the needle slot with a self-cleaning oblique movement.
- the development according to claim 4 enables the control of the stitch formation elements for different patterning effects and improves the transverse movement of the transfer hook.
- the development according to claim 5 enables the transfer of the stitches in flat knitting machines without complicated changes to the stitch formation elements.
- the development according to claim 8 simplifies the rocker construction for attaching the bars and facilitates the replacement of the transfer hook parts.
- the development according to claim 9 ensures the smooth transition of the stitch.
- the development according to claim 10 enables the trouble-free coupling of the stitch formation elements.
- the development according to claim 11 stabilizes the outward position of the transfer hook.
- the development according to claim 12 ensures the transverse movement of the transfer hook.
- the development according to claim 13 is suitable for very fine needle designs and avoids friction losses.
- FIGS. 1 to 31 Show it:
- Figure 1 shows the upper position of the culvert needle 1 with the hook 2 arranged at the front;
- Figure 2 shows the wedge position of the needle hook 2 with the thread F formed into a new loop.
- Figure 4 shows the formation of a new stitch.
- Fig. 9 the freedom of movement in the design of the hook to chest height
- FIG. 26 shows the section a-a of FIG. 25 through the fastening of the guide bracket
- Fig. 1 shows the needle 1 with needle shaft 3 and needle hook 2, which has already picked up a thread F.
- the upwardly directed transfer hook 12 with its shaft 11 is arranged in operative connection with the needle hook 2.
- the shaft 3 of the needle 1 has a depression 6 which corresponds to the finger-like elevation 16 (FIG. 2) of the transfer hook 12.
- the depression 6 on the shaft of the needle 1 ends at the top with the rising surface 7 and at the bottom with a partially beveled recess 8. This sliding surface, in cooperation with the bevel 17 of the likewise beveled finger 18 (FIG. 2) of the transfer hook shaft 11, facilitates mutual engagement.
- the increase in surface 7 in the needle shaft 3 and the bevel 17 in the transfer hook shank 11 are arranged so that they fall into certain positions 1 e ⁇ ⁇ ⁇ of Hase and shaft 11 of the transfer hook 12 in operative connection.
- the transverse movement of the transfer hook 12 begins in that the shaft 11 of the transfer hook 12 slides with its elevation 16 along the rising surface 7 and leaves the positive connection with the needle shaft 3.
- the coupling of both elements (1 and 12) is also released.
- the recess 6 In order to maintain the outward position of the transfer hook 12 during the withdrawal of the needle, the recess 6 must be set back by the dimension y (corresponding approximately to the needle path).
- the old stitch is located on the transfer hook 12 in the area in the needle slot 5 (in FIG. 2 can be seen) the needle breast 4 is temporarily guided, has lateral deposits 10.
- the stitch formation takes place in four, now in three process steps of the two elements instead of the previous versions.
- the return stroke of the transfer hook 12 takes place, which releases the stitch held by it.
- the third phase contains the upward movement steps of the needle 1 and the transfer hook 12, i. H. during the advancement of the needle 1 there is a coupling with the transfer hook shaft 11 within the needle channel and then the common feed into the upper position.
- the coupling within the needle channel has the important advantage of safety when the transfer hook 12 is immersed in the needle face 4 and enables the tolerance compensation of the deviations present in the needle channels.
- the advantageous small transverse movement of the transfer hook 12 takes place without a control element in the needle lock solely by the mutually relative longitudinal movement of the two shaft parts.
- These are simply structured components with the same shaft thickness, without settling and overlapping.
- the required accuracy can be guaranteed with today's punching technology, since no bending operation is provided.
- Typical needle manufacturing operations are only necessary in the front part of the culvert hook and the subsequent tooth.
- the invention enables a small breast rise, ie small stitches and greater freedom in the design of needle hooks 2 at chest height.
- Fig. 4 shows a .new stitch that has been formed by advancing the needle 1.
- the elevation 16 on the transfer hook shaft 11 again got into the recess 6 in the needle shaft 3.
- This coupling process causes the inward transverse movement of the transfer hook 12 into the needle slot 5.
- both elements come together into the upper position of FIG. 1.
- a control foot (not shown) is located in the rear area of the needle shaft 3, as is also in the rear area of the shaft 1 of the transfer hook 12.
- the last stitch formed is held on the needle breast 4 in the holding area of the transfer hook 12 at the tapping edge A of the needle cylinder or bed.
- the needle 1 After a new thread F has been inserted into the needle hook 2, the needle 1 begins to retract. A transverse movement of the transfer hook 12 occurs, which is lifted out of the needle face 4, so that the needle hook 2 can be smoothly guided past the transfer hook 12.
- the needle shaft 3 and the shaft 11 of the transfer hook 12 have bearing surfaces parallel to the channel base K (FIG.
- the shaft 11 opens at full strength into the holding area b - b of the transfer hook 12, so that the center deposition of the tip can easily be carried out for the insertion area a - a.
- the stitch reaches the holding area b - b without sliding resistance.
- the transverse movement of the transfer hook 12 at an angle to the needle 1 is self-cleaning in the needle slot 5.
- no fluff can build up and build up.
- FIG. 7 which shows a section through the insertion region a - a, the tooth width can be expanded beyond the shaft thickness, as previously suggested.
- Fig. 13 relates to the knitting function "catch".
- the control foot of the transfer hook 12 caused both stitches (needle 1 and transfer hook 12) to be moved back so far behind the knock-over edge A that the over the transfer hook 12 existing stitch slides off this, whereby in the subsequent stitch formation process according to FIGS. 1 to 4, the new loop and the old stitch get into the needle hook 2 and then onto the transfer hook 12.
- the selection, which needles should "catch" when passing through a lock is done with known technology by control feet of different heights, to which control curves are assigned in the needle locks.
- the invention has further advantages for realizing catch stitch patterns.
- the setting needle always does the same movement. If a catch stitch is to be created, after the new thread has been inserted and before the slide needle has moved backwards, a small backward pulse occurs on the control foot of the transfer hook 12, as a result of which both elements are guided non-positively backwards by the length of the transfer hook. The previous stitch thereby passes from the transfer hook 12 back into the needle neck to the newly introduced thread, which is then processed.
- the invention also makes it possible to control individual needles in a freely programmable manner. There are also actuating magnets with an extremely short one . Response time for use, because the time cycle within a needle division is minimal at high speeds, so that very short control movements are a requirement.
- the capture function runs when the control feet pass in the direction of the arrow.
- an area is provided before the needle is returned, in which, for example, electronically controlled according to a design pattern, the required return impulses can be created on certain needles. If no catch stitch is to be created, the position shown in FIG. 10 is retained during the passage.
- the coupled retraction of both stitch-forming elements takes place from the position shown in FIG. 10 to the position shown in FIG. 13, with electronically controlled needle selection first for all needles from the position shown in FIG. 10 to the position shown in FIG. 14 and then pulse controlled individual needles from the position shown in Fig. 14 to the position shown in Fig. 15.
- the stitch formation according to the invention can also be used advantageously for flat knitting.
- the needles 1 must be retracted in order to shift the bed lengthways.
- the last stitches formed are suspended on the transfer hook 12.
- the needle channels of both beds face each other exactly during the transfer process.
- Fig. 18 the accepting left needle 1 has moved forward with its hook 2 when the right transfer hook 12 is at a standstill, so that it pierces and expands the transferring stitch and the slats 11 by means of moon-shaped insertion chamfers 20 (corresponding to Fig. 24).
- the needle beds for the knitting operation have been brought into their basic position "needles versus gaps".
- a new thread is inserted into the left needle hook 2 and is then pulled through the stitches held by the left transfer hook 12 when the left needle 1 is withdrawn.
- an additional diameter reduction 22 is provided on the still unbent front part of the needle hook 2 so that after the subsequent pressing process in the transverse direction of the needle 1 it has half the hook thickness in a flat shape.
- Fig. 22 shows the pressed reduction 22, which is pressed in the transverse direction to the needle 1 to the width of the needle hook ⁇ - in alignment with the later curved inner course of the hook 2, so that after the hook bend the front part bent back by 180 degrees corresponds to the hook thickness and 23 results in the hook design shown.
- FIGS. 25 to 29 are exemplary embodiments of the stitch formation elements according to the invention for warp knitting machines. There are rows of them in the rear shaft area - clamped in so-called bars - beyond the front edge of which they project in the required fineness according to the spacing. The problem is that the free shaft parts of both bars must be exactly aligned over their considerable length. Various influences play a role here, but especially the thermal expansion in the machine. It is therefore necessary to bring the interacting elements into each other at the important points, such as the one in the Needle slot engaging tongue-like approach has been proposed.
- FIG. 26 illustrates the type of fastening in a section a - a of FIG. 25.
- FIG. 25 is a schematic diagram of the arrangement of both stitch-forming elements in separate needle bars. These are pivotally mounted about axes of rotation arranged at a greater distance transversely to the needle elements, so that the elements move in a circular path in the longitudinal direction according to FIGS. 10 to 13.
- the needles 1 are individually tensioned in channels of the needle bar, not shown, while the complementary ones Slider parts, cast in sets in the same division into the holding structure 23, are housed together in the second bar, also not shown.
- the shaft protruding from the holding bandage 23 is designed in its continuation as a spring 26, which is biased slightly so that in this relative position of the two bars the transfer hook 12 is located in the needle face 4 (FIG. 25), while in the other positions the transfer hook 12 retains its outward position by sliding the elevation 16 on the rising surface 7 onto the upper edge 3 of the needle 1.
- 27 to 29 show how stitch formation is possible with only one bar arrangement.
- the in the rear shaft part 3 clamped in channels of the ingot ln 1 have a shoulder 28, so that in this area of the clamping cover 29 there is a space in which the rear shaft part 11 of the transfer hook 12 can be inserted in a tension-free manner.
- the transfer hook parts combined to form a bandage (not shown) only have the elongated shaft part 11 at the outer boundaries known tongue and groove connection and the U-guide shown.
- the outward movement of the transfer hook 12 occurs according to Fig. 1 1 over the rising surface 7 on the needle shaft 3.
- a control rail 27 is provided over the entire length of the bar, which engages in the corresponding groove in the shaft 11 of the transfer hook 12.
- the two stitch formation elements are coupled by means of the projection 14 on the transfer hook 12, which engages in a groove 15 on the end face of the recess 9.
- control rail 27 is schematic diagrams for the arrangement of the control rail 27.
- the previously heavy swing arm construction for fastening the bars can be dispensed with.
- a lightweight system with low mass movements is sufficient.
- the control rail 27 can be divided into sections which can be easily removed for replacing the transfer hook parts.
- a guide carrier 30 arranged parallel to it over the entire length of the needles contains guide elements, for example ball bushings 31, at suitable section intervals.
- U-shaped vibrating elements as rail supports 32 which have a mounting platform 34 for the control rail 27 at the top and are designed at the bottom for the vibration drive, can be moved up and down with the bolts 33 fastened therein.
- the vibrating elements 32 are laterally connected to an axis 35 which can be used for the vibratory drive. Also at section intervals, side bearing plates 38 for the vibratory drive are attached to the guide carrier 30.
- the oscillation system can also be used for the movement of the needles 1.
- the vibration generation can be carried out in three different ways:
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006521480A JP2007501335A (ja) | 2003-08-02 | 2004-07-22 | 関連する編み要素を有する、機械編みのための編機又はたて編機 |
EP04741215A EP1649092B1 (de) | 2003-08-02 | 2004-07-22 | Maschenbildungsanordnung für eine strick- oder kettenwirkmaschine zum maschinellen maschenbilden |
CN2004800224492A CN1833062B (zh) | 2003-08-02 | 2004-07-22 | 用于针织机的用于机器成圈的成圈装置 |
DE502004007790T DE502004007790D1 (de) | 2003-08-02 | 2004-07-22 | Maschenbildungsanordnung für eine strick- oder kettenwirkmaschine zum maschinellen maschenbilden |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10335464.6 | 2003-08-02 | ||
DE10335464A DE10335464B4 (de) | 2003-08-02 | 2003-08-02 | Verfahren zum maschinellen Maschenbilden mit zugehörigen Maschenbildungselementen |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005017246A2 true WO2005017246A2 (de) | 2005-02-24 |
WO2005017246A3 WO2005017246A3 (de) | 2005-04-28 |
Family
ID=34177276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008187 WO2005017246A2 (de) | 2003-08-02 | 2004-07-22 | Strick- oder kettenwirkmaschine zum maschinellen maschenbilden mit zugehörigen maschenbildungselementen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1649092B1 (de) |
JP (1) | JP2007501335A (de) |
KR (1) | KR100779874B1 (de) |
CN (1) | CN1833062B (de) |
DE (2) | DE10335464B4 (de) |
WO (1) | WO2005017246A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2031108A1 (de) | 2007-08-23 | 2009-03-04 | Ulrich Hofmann | Strick- oder Kettenwirkmaschine zur Maschinenstoffherstellung mit zugehörigen Schwinggliednadeln |
CN107700198A (zh) * | 2017-11-20 | 2018-02-16 | 杨志林 | 一种管状织物的缝合装置及方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE502006003709D1 (de) | 2006-01-25 | 2009-06-25 | Groz Beckert Kg | Wirknadel und Barre für diese |
JP5010588B2 (ja) * | 2006-05-17 | 2012-08-29 | 株式会社島精機製作所 | インターシャ柄編地の編成方法および横編機 |
DE102013105239A1 (de) * | 2013-05-22 | 2014-11-27 | Groz-Beckert Kg | Schiebernadel |
EP3290555A1 (de) * | 2016-09-02 | 2018-03-07 | Ulrich Hofmann | Nadel zur maschenbildung an einer strick- oder kettenwirkmaschine, strick- oder kettenwirkmaschine mit mehreren solcher nadeln und verfahren zur herstellung einer solchen nadel |
KR101967704B1 (ko) * | 2019-01-30 | 2019-08-13 | 이명구 | 양면 벨루어 제조용 환편기 |
IT201900023433A1 (it) * | 2019-12-10 | 2021-06-10 | Lonati Spa | Dispositivo prelevatore per operare il prelievo di un manufatto tubolare a maglia da una macchina circolare per maglieria, calzetteria o simile |
CN113832603A (zh) * | 2021-10-29 | 2021-12-24 | 鲁道夫(泉州)机械有限公司 | 一种自带清洁功能的刀勾一体装置及其工作方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716878A (en) * | 1952-11-15 | 1955-09-06 | Joseph L Morris | Two part knitting machine needle assembly |
GB2043714A (en) * | 1979-03-01 | 1980-10-08 | Terrot Strickmaschinen Gmbh | Compound needle for knitting machines |
US4423606A (en) * | 1979-03-14 | 1984-01-03 | Ulrich Hofmann | Method for mechanical stitch formation as well as knitting machine for carrying out the method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4100931A1 (de) * | 1991-01-15 | 1992-07-16 | Groz & Soehne Theodor | Schiebernadel, insbesondere fuer strickmaschinen |
CH691543A5 (fr) * | 1997-05-27 | 2001-08-15 | Steiger Sa Atelier Constr | Aiguille à coulisse pour machine à tricoter. |
DE10211231C1 (de) * | 2001-03-14 | 2003-04-24 | Ulrich Hofmann | Vorrichtung zum maschinellen Maschenbilden |
DE10112277C1 (de) * | 2001-03-14 | 2002-08-29 | Ulrich Hofmann | Vorrichtung zum maschinellen Maschenbilden |
DE10152856C1 (de) * | 2001-03-14 | 2003-04-24 | Ulrich Hofmann | Vorrichtung zum maschinellen Maschenbilden |
DE10130364C1 (de) * | 2001-06-23 | 2003-02-13 | Groz Beckert Kg | Schiebernadel |
DE10164550A1 (de) * | 2001-12-18 | 2003-07-10 | Sipra Patent Beteiligung | Nadel für Strick- oder Wirkmaschinen und damit ausgerüstete Strickmaschine |
-
2003
- 2003-08-02 DE DE10335464A patent/DE10335464B4/de not_active Expired - Fee Related
-
2004
- 2004-07-22 WO PCT/EP2004/008187 patent/WO2005017246A2/de active IP Right Grant
- 2004-07-22 DE DE502004007790T patent/DE502004007790D1/de not_active Expired - Lifetime
- 2004-07-22 EP EP04741215A patent/EP1649092B1/de not_active Expired - Lifetime
- 2004-07-22 JP JP2006521480A patent/JP2007501335A/ja active Pending
- 2004-07-22 CN CN2004800224492A patent/CN1833062B/zh not_active Expired - Fee Related
- 2004-07-22 KR KR1020067002330A patent/KR100779874B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716878A (en) * | 1952-11-15 | 1955-09-06 | Joseph L Morris | Two part knitting machine needle assembly |
GB2043714A (en) * | 1979-03-01 | 1980-10-08 | Terrot Strickmaschinen Gmbh | Compound needle for knitting machines |
US4423606A (en) * | 1979-03-14 | 1984-01-03 | Ulrich Hofmann | Method for mechanical stitch formation as well as knitting machine for carrying out the method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2031108A1 (de) | 2007-08-23 | 2009-03-04 | Ulrich Hofmann | Strick- oder Kettenwirkmaschine zur Maschinenstoffherstellung mit zugehörigen Schwinggliednadeln |
CN107700198A (zh) * | 2017-11-20 | 2018-02-16 | 杨志林 | 一种管状织物的缝合装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1833062A (zh) | 2006-09-13 |
DE10335464B4 (de) | 2006-06-14 |
JP2007501335A (ja) | 2007-01-25 |
WO2005017246A3 (de) | 2005-04-28 |
KR20060056361A (ko) | 2006-05-24 |
CN1833062B (zh) | 2010-09-29 |
DE10335464A1 (de) | 2005-03-31 |
EP1649092A2 (de) | 2006-04-26 |
DE502004007790D1 (de) | 2008-09-18 |
EP1649092B1 (de) | 2008-08-06 |
KR100779874B1 (ko) | 2007-11-28 |
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