US2505372A - Warp knitting machine - Google Patents

Warp knitting machine Download PDF

Info

Publication number
US2505372A
US2505372A US726920A US72692047A US2505372A US 2505372 A US2505372 A US 2505372A US 726920 A US726920 A US 726920A US 72692047 A US72692047 A US 72692047A US 2505372 A US2505372 A US 2505372A
Authority
US
United States
Prior art keywords
needles
warp
machine
needle
series
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US726920A
Other languages
English (en)
Inventor
Strake Lambertus To
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US2505372A publication Critical patent/US2505372A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/02—Flat warp knitting machines with two sets of needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B25/00—Warp knitting machines not otherwise provided for
    • D04B25/04—Milanese machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • D04B27/26—Shogging devices therefor

Definitions

  • 66-187 guides movable longitudinally of the (series ofneedles which are governed in such a manner, that first they fom n th r ead crosses at the places for the needles of the one series and then-at the V plaeeslfor-those of the other series -whereas the without" using a Jacquard machine and Without ii'sing knitting oams; spring beard needles or closed eye anedles;
  • FhefinVention not only applies tothe' working of normal lshittinayarns,but-also permits zigzag k ttinfgoflcoarseand hardyavnsi
  • The-machine my be eonsti ueted for each "knitting "width, whereas on -amachine "with great width also small fabrics may be knitted.
  • Flg. 33 is a side elevationalivie'wof theleft hand side-lofthe machine
  • Fig. 12 is a fragmentary front elevational view of the upper portion of the machine, illustratin the needle beds and the warp yarn guide bars,
  • Fig. 13 is a fragmentary front elevational view of the upper portion of the machine, illustrating the mechanism for laying weft threads
  • Fig. 14 is a sectional view of the upper portion of the needle beds, illustrating one of the weft thread carriers in its operative position
  • Fig. 15 is a fragmentary front elevational view of the machine illustrating an automatic device for controlling the movements of the weft thread carriers
  • Fig. 16 is a side elevational view of the mechanism shown in Fig. 15,
  • Fig. 17 is a diagrammatical illustration of a zigzag knitted fabric manufactured by a machine according to the invention.
  • Fig. 18 is an elevational view of a cam mechanism controlling the movements of the warp yarn guide bars.
  • the fiat warp knitting machine comprises a frame, including a right hand side piece I, a left hand side piece 2 and connecting pieces 3 connected with each other.
  • an electromotornot shown-- is arranged for driving continously the main shaft '4 of the machine.
  • Warp beams, 5, 5, 6, 6, I, I are rotatably arranged on the frame for the supply of yarn to the needles as required for the knitting of the zigzag knitted portion of the fabric and of the edges of the fabric.
  • the yarns coming from the four first-mentioned warp beams pass over a series of thread guides supported by arms 8, 9.
  • the thread guides of the arms 9 are pivotally mounted on shafts and are pressed sideways by helical springs,-by means of which the yarn tension can be controlled.
  • the yarn is warped on the warp beams in correspondence with the desired pattern and color arrangement and is supplied in the correct arrangement to the machine by the thread guides.
  • the machine comprises jtwoseparate frame pieces Id, at for twodifferent needle beds II, 2I, arranged at a sharp angle with respect to each other. II indicates the back needle bed and 2I indicates the front n'eedle bed.
  • back needle bed II latch needles I2 are slidably. guided in the direction of their longitudinal axis. They are jointly and removably arranged in a holder I3 closed bya cover plate I4.
  • the holders I3 slidably engaged with guiding members I5 mounted on the frame are provided at their ends with pins slidably engaged with slots arranged inthe side walls of the frame. The pins of the holders I3 passing through said slots project somewhat outside said side walls.
  • a warp 'guide' I8 in the shape, of a bar slidably arranged above the seriesof knitting points for the needles of the back needle bed II is .re'ciproe 4 cable longitudinally of the machine and serves as a guide for the warp yarns I9 coming from the warp beams 5, 5.
  • the guiding means proper of the warp guides I8 are formed by V-shaped grooves cut into longitudinal ribs arranged on the bar I8, one for each yarn, therefore one for each needle of the back needle bed II.
  • 2I-29 Corresponding parts of the front needle bed and the mechanisms associated-therewith are indicated by the reference numerals 2I-29; 2I indicates V the front needle bed, 22 the front needle, 23 the holders, 24 the cover plate, 25 the guiding members, 25 the pressure bar, 21 the felt cushion, 28 the warp guide and 29 the warp yarns.
  • the latch needles I2 of the back needle bed II are lying with their paths of operation of their heads midneedles are carrying out opposite movements.
  • the warp guide bars I8, 28 perform horizontal opposite movements in such a manner that the yarns guided by one bar are crossing those guided by the other in the plane of either the front needles or the back needles as shown diagrammatically in the Figs. 5 to 8 inclusive.
  • Fig. 5 the needles I2 of the back bed are in their highest position and the needles 22 of the front bed are in their lowest position.
  • the crossing points of the warp yarns, hereinafter called the warp yarn crossings, formed by the position of the warp guides I8, 28, are ready for being drawn downwardly by the needles I2 of the back bed, towards the position shown in Fig. 6.
  • Fig. 6 the needles I2 of the back needle bed are moved downwardly into a position at a distance of A; of the stroke away from their lowest position and the needles 22 of the front needle bed are moved upwardly into a position at a distance of of the stroke away from their lowest position.
  • the needles of the back bed have pulled along with them the warp yarn crossings, so that there are no crossings any longer.
  • Fig. 7 the warp guide bar I8 is moved to the right and thewarp guide bar 28 is moved to the left, relative to the position shown in Figs. 5 and 6, whereby new warp yarn crossings are formed. Contrary to Fig. 5, however, the warp yarn crossings are now formed adjacent to the needles of the front needle bed, said needles now being in their highest position, while the needles of the back needle bed are now in their lowest position.
  • the warp guide bar I8 is moved towards the left and the guide bar 28 is moved towards the right.
  • the needles 22 of the front needle bed have caught previously the warp yarn crossings and have pulled them downwardly during their movement into a position at a, dis: tance of /4 of the stroke away from their lowest position.
  • the warp guide bars I8 and 28 are governed in such a manner that during the next cycle they are moving each one step (one needle pitch) more to the left (or to the right) that is to say as many. im s subs q t y s; rese by he pitterm (thiszigzag' ii Thereafter; they, mustzibez muvedi hack: in, the corresponding manner; v or; as; in: this'rxexample, they: may: return, fully to the startingpositiont.
  • pins of the holders 13 holdin'g the' -series of needl'es pass-throughsi'o'ts 'arraiiged' in the side walls of 'the machine paralleltothe'needlei-beds.
  • the pinsof the' holder arranged in-theiront needle bed are driven in the samemanaer; but?
  • eccentric strap - in' the upper portion of which theleft-hand: screwrthreaded lower end of a cenneeen wodnz is; scretvedand locked hyac; counter-nut?
  • the upper end of the connecting; rod; 3 21 is: provided: with right; hand: screw thread? aiid screwed into the bridge, piece of a fork 33' ai d': locked; This? forli carries a; pin: 34 slid'abl'y' engagedwith a slotji ofithe, arm 36 of'a.
  • each; oscillatablez lever: 36; 3]! drives; through; the;- mediumiofi an; ad ustable; connecting rod v 41;;
  • warp yarns may be presented to*- any desired saidi adjustable; connecting rod; 41 connected: to-- a slidablea rod? 48 carrying? an; auxiliary warp, yarnr guiding frame 49 to which auxiliary warp yarns wound om the'i warp beams 1*. are: supplied throughia guidingrodiand.guidingzcomb on reed:
  • a plurality of auxiliary irames dfi may beioarranged on a carrier extendingalong the enti're width of i theneedle bed; so-tliat suchl auxiliaryneedle of the needle'bed's The; driverof; the warp dam guide. bars;
  • cam drives areassociated with theleft-hand ends of the guide bars l8 and282 Saidcam drives-are substantially of ⁇ identical constructi'on; they are merely dis-+ placed; 18 0" inphase relative to; each other.
  • suitable gear attached to a shaft of the roller drive for adjustment of the roller 59 by hand.
  • a claw-coupling operative in one direction only is arranged in the roller drive.
  • the shafts of the rollers .59, 59 are provided with pinions meshing with each other, so that both rollers are driven simultaneously.
  • a supportor plate 68 carrying a series of weft thread carriers 62 is slidably arranged in the frame of the machine for reciprocating movements longitudinally of the machine in front of the needle beds.
  • Cones 63 mounted on the machine supply a weft thread 64 to the thread tube 6
  • the weft threads 64 serve for taking away entirely or partially the elasticity in the width of the fabric and at the same time for patterning the front side of the fabric.
  • the plate 68 is pivotally connected with one end of a connecting rod 65, the other end of which is pivoted to the upper end of a rockable arm 66, the lower end of which is swingably mounted on the frame of the machine at 61 (see Figs. 2, 15 and 16).
  • the arm 66- which may be rocked by a mechanism to be described hereinafter-is at a standstill, no thread is laid by the weft thread carriers 62.
  • a large stroke of the arm 66 is adjusted, a broad or even complete laying of weft thread is obtained, whereas when a small stroke of said arm 66 is adjusted, the weft threads are laid only through short distances.
  • patterns with or without different color threads may be made independently of thepattern, that may be obtained by thezigzag knitting by means of th reciprocating warp guide bars.
  • the weft thread carriers 62 are provided with adjustable resilient weft thread guides at their ends remote from the needles.
  • the plate 68 with the weft thread carriers is moved in such a manner that when the needles in the front bed are in their lowest position, the plate is moved to the right through a certain distance, whereby a weft thread 64 is laid behind.
  • weft thread carriers 62 is chosen in such a manner that for a certain stroke of the plate 68 just the.
  • Said tilting of the automaton in turn causes a displacement of the pin 88 of the arm 66 to the left by the wall of the slot 8
  • the arm 66 will be swung back in clockwise direction.
  • may be positioned in such a manner, that the arm 66 is not subjected to an .efiective displacement.
  • Theposition of the slot BI. is determined by a wormwheel 83 rigidly connected with the disc 82 and in. mesh with a worm.
  • Said holder 92 may be swung automatically about its pivot in a manner to be described hereinafter.
  • a spring 93 l5ig. 16) stretched between the holder 92 and the frame of the automatic device 18 tends to swing the holder always in counterclockwise direction against a stop secured to the frame of the automatic device.
  • the holder 92 is provided with a nose 9
  • a gear in mesh with the pinion 98 of the set of pinions 98,- 88, 89 is likewise keyed to said shaft carrying the cam 94, so that said gear 95 participates in the movements of said cam 94.
  • the cam 94 and gear 95 may be intermittently advanced in counter-clockwise direction (as viewed in Fig.16) by means of a ratchet device 96 which is actuated by the shaft 68 through themedium of a crank pin 91 and a connecting rod 98. Said crank pin 91 is adjustably engaged with a slot of a disc secured to the shaft 68. Therefore, the position of the holder advanced ca-H1 94 engaged with the nose 9
  • the slot Bl may be brought into ap osition wherein the arm 66 remainspractically at "a' standstill in spite of the tiltingof theautomatijc, device] 8;, q Asmening atbothsides-the sam ppeara'ric itis possibl'e to lay the wtt thread in a maereht manner and :to knitit in difierently.
  • the zigzag width may be changed and the warp yarn crossings may be ofiset over one needle or over two or more needles.
  • the plate 60 carrying the weft thread carriers 62 may be arranged at the back of the machine instead of at the front, as far as the thread supply permits this arrangement. If desired, more than one plate provided with weft thread carriers may be used.
  • each 'rfedlefbed inluding a "series of "spaced 'recipro'cable -lath eHIes, the needles of onebed being arranged opposite thespace between the needlesof the other bed, ah'eedle fdrive associated with the ne'edles of bothneedle beds ror reciprocating 'the series of needles of one needle 'bed at substantially the s'anie rate biit'ih ilppo'site "direction of movement to the fimvemerit of "the needles of the other needle tea, two war p yarn ranged (in each warp fyarn ui'de ba'r, sa'id warp yarn guiding'fnean's being' spacea'rrom each other at Substantially t'hesame nistanee 81 s the memes or a series of l'ieedles, war yarn'supplyin'g means 'for
  • said pattern'mechanism including a first cam drive associated with one of said warp yarn guide bars and a second cam drive associated with the other warp yarn guide bar.
  • adjustable positioning means interposed between the pattern mechanism and each of said warp yarn guide bars.
  • auxiliary warp yarn supplying means for supplying auxiliary warp yarn to said auxiliary warp yarn guiding element, said auxiliary warp yarn guiding element being reciprocable parallel to the series of needles, and a drive associated with said auxiliary warp yarn guiding element for reciproeating same.
  • auxiliary warp yarn to said: auxiliary warp yarn u din me sa d ilia W p n sn ing element being reciprocable parallel to the series ofneedles, and said needle drive being coument for reciprocating same.
  • auxiliary warp yarn guiding element slidably arranged at each side of .the machine adjacent to the ends of the series of needles, auxiliary warp yarn supplying means for supplying auxiliary warp yarn to said auxiliary warp yarn guiding elements, each of said auxiliary warp yarn guiding elements being reciprocable parallel to the series of needles, and a drive associated with said auxiliary warp yarn guiding elements for reciprocating same.
  • a warp knitting machine comprising; two needle beds arranged at an acute angle relative to each other, each needle bed including a-series of spaced reciprocable latch needles, the needles .pled with said auxiliary warp'yarn guiding eleof one bed being arranged opposite the space between the needles of the otherbed, a needle drive associated with the needles of both needle beds .for reciprocating the series of needles of one needle bed at substantially the same rate but in opposite direction of movement to the movement of the needles of the other needle bed, two warp yarn guide bars, a series of yarn guiding means arranged on each warp yarn guide bar, said warp yarn guiding means being spaced from each other at substantially the same distance as the needles of a series of needles, warp yarn supplying means for supplying warp yarns to the yarn guiding means of said warp-yarn guide bars, a first pattern mechanism associated with said warp yarn guide bars for displacing samerelative to the series of needles at predetermined intervals in a
  • said second pattern mechanism including an automatic device adjusting automatically hestroke and direction oi movement or saidsuppo t. 1 .111.
  • said second pattern mechanism comprises: a swingable automatic device, a first power driven cam associated with said automatic device for tilting same at predetermined intervals, in alternate directions, a disc having a slot rotatably mounted on said automatic device, a

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
US726920A 1946-11-12 1947-02-06 Warp knitting machine Expired - Lifetime US2505372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL678146X 1946-11-12

Publications (1)

Publication Number Publication Date
US2505372A true US2505372A (en) 1950-04-25

Family

ID=19802349

Family Applications (1)

Application Number Title Priority Date Filing Date
US726920A Expired - Lifetime US2505372A (en) 1946-11-12 1947-02-06 Warp knitting machine

Country Status (3)

Country Link
US (1) US2505372A (enrdf_load_stackoverflow)
BE (1) BE471006A (enrdf_load_stackoverflow)
GB (1) GB678146A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233824A (en) * 1978-06-08 1980-11-18 Veb Textima Wirkmaschinenbau Karl Marx Stadt Warp knitting of double jacquard-patterned pile fabric
CN103194852A (zh) * 2012-01-10 2013-07-10 卡尔迈尔纺织机械制造有限公司 用于处理至少两个织物幅的针织机
US20180023228A1 (en) * 2015-10-20 2018-01-25 Jiangnan University Jacquard warp tension device for warp knitting machine
CN110592796A (zh) * 2019-09-19 2019-12-20 福建信亿机械科技有限公司 一种新型双针床经编机

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718A (en) * 1853-05-10 John meb
US9719A (en) * 1853-05-10 John mbe
US459866A (en) * 1891-09-22 Half to hugh mcgill
US583040A (en) * 1897-05-25 And alfred g
GB191024252A (en) * 1910-10-19 1911-10-05 Emil Wirth An Improved Warp Knitting Machine.
US1218213A (en) * 1914-12-18 1917-03-06 Firm Ernst Saupe Warp-knitted fabric and the method of making the same.
US1218212A (en) * 1914-12-18 1917-03-06 Firm Ernst Saupe Flat-warp-knitting frame.
US1796579A (en) * 1926-06-05 1931-03-17 Rupf Rudolf Warp-knitting frame
US1972609A (en) * 1931-10-03 1934-09-04 Raalte Company Van Warp knitting machine
US2029880A (en) * 1933-03-31 1936-02-04 George W Lindley Elastic fabric
US2427007A (en) * 1944-11-30 1947-09-09 Lambach Fritz Warp knitting machine
US2428030A (en) * 1945-11-30 1947-09-30 Lambach Fritz Structure for suspending a guide bar from a bracket of a warp knitting machine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9718A (en) * 1853-05-10 John meb
US9719A (en) * 1853-05-10 John mbe
US459866A (en) * 1891-09-22 Half to hugh mcgill
US583040A (en) * 1897-05-25 And alfred g
GB191024252A (en) * 1910-10-19 1911-10-05 Emil Wirth An Improved Warp Knitting Machine.
US1218213A (en) * 1914-12-18 1917-03-06 Firm Ernst Saupe Warp-knitted fabric and the method of making the same.
US1218212A (en) * 1914-12-18 1917-03-06 Firm Ernst Saupe Flat-warp-knitting frame.
US1796579A (en) * 1926-06-05 1931-03-17 Rupf Rudolf Warp-knitting frame
US1972609A (en) * 1931-10-03 1934-09-04 Raalte Company Van Warp knitting machine
US2029880A (en) * 1933-03-31 1936-02-04 George W Lindley Elastic fabric
US2427007A (en) * 1944-11-30 1947-09-09 Lambach Fritz Warp knitting machine
US2428030A (en) * 1945-11-30 1947-09-30 Lambach Fritz Structure for suspending a guide bar from a bracket of a warp knitting machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233824A (en) * 1978-06-08 1980-11-18 Veb Textima Wirkmaschinenbau Karl Marx Stadt Warp knitting of double jacquard-patterned pile fabric
CN103194852A (zh) * 2012-01-10 2013-07-10 卡尔迈尔纺织机械制造有限公司 用于处理至少两个织物幅的针织机
CN103194852B (zh) * 2012-01-10 2014-11-26 卡尔迈尔纺织机械制造有限公司 用于处理至少两个织物幅的针织机
US20180023228A1 (en) * 2015-10-20 2018-01-25 Jiangnan University Jacquard warp tension device for warp knitting machine
US10392733B2 (en) * 2015-10-20 2019-08-27 Jiangnan University Jacquard warp tension device for warp knitting machine
CN110592796A (zh) * 2019-09-19 2019-12-20 福建信亿机械科技有限公司 一种新型双针床经编机

Also Published As

Publication number Publication date
GB678146A (en) 1952-08-27
BE471006A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US3756043A (en) Flat warp knitting machines
US2505372A (en) Warp knitting machine
US3303670A (en) Multi-slide guide-bar
US2880684A (en) Formation of high and low pile by needling
US3030786A (en) Textile material and manufacture
US3327501A (en) Multi-ply fabrics and method for making same
US2200280A (en) Knitting machine
US2290058A (en) Yarn-changing mechanism for knitting machines
US3861175A (en) Process for knitting two-bar fabrics from three warp thread sets
US3403536A (en) Yarn feeding means for raschel knitting machines
US1982991A (en) Full-fashioned knitting machine
US1931179A (en) Means for traversing or laying threads, filaments, and the like
US3665732A (en) Flat warp knitting machines
US3864943A (en) Warp knitting or raschel machine
US4031717A (en) Patterning apparatus for knitting machines, particularly for manufacturing patterned knitted pile fabrics on crochetting machines
US3797278A (en) Warp knitting machine
US2733583A (en) Knitting machine
US2029879A (en) Knitting machine
US1355196A (en) Feeding and pattern mechanism for warp-knitting machines
US2309026A (en) Thread tensioning mechanism for textile fabricating machines
US2949755A (en) Warp knitting machine
US3831403A (en) Device for producing simultaneously two separate fabrics rib on the same head of a rib knitting machine with two needle beds
US2949754A (en) Warp knitting method
US2452579A (en) Warp knitting machine
US616600A (en) Knitting-machine