EP0348896A1 - Cam block for knitting machines - Google Patents

Cam block for knitting machines Download PDF

Info

Publication number
EP0348896A1
EP0348896A1 EP89111679A EP89111679A EP0348896A1 EP 0348896 A1 EP0348896 A1 EP 0348896A1 EP 89111679 A EP89111679 A EP 89111679A EP 89111679 A EP89111679 A EP 89111679A EP 0348896 A1 EP0348896 A1 EP 0348896A1
Authority
EP
European Patent Office
Prior art keywords
cam
cam block
recesses
holder
side walls
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.)
Withdrawn
Application number
EP89111679A
Other languages
German (de)
English (en)
French (fr)
Inventor
Vojtech Dipl.-Ing. Krytinár
Zdenek Gryc
Rudolf Bandoch
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.)
ZVS VYZKUMNEVYVOJOVY USTAV KONCERNOVA UCELOVA ORGANIZACE
Original Assignee
ZVS VYZKUMNEVYVOJOVY USTAV KONCERNOVA UCELOVA ORGANIZACE
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 ZVS VYZKUMNEVYVOJOVY USTAV KONCERNOVA UCELOVA ORGANIZACE filed Critical ZVS VYZKUMNEVYVOJOVY USTAV KONCERNOVA UCELOVA ORGANIZACE
Publication of EP0348896A1 publication Critical patent/EP0348896A1/en
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/32—Cam systems or assemblies for operating knitting instruments

Definitions

  • the present invention relates to a cam block for knitting machines, particularly to an arrangement in this cam block.
  • Knitting machines are known in which the cams are fastened on holders, and said holders are fixed on cam blocks by means of screws, their positions being secured by means of positioning pins.
  • a device is known in knitting machines, in which are mounted holders with cams, and the holders are provided in the upper part with two flat projections which are, upon mounting, at an inclined position of the holder inserted into recesses in circular suspension eyes, which are mounted on the cam carrier and thereafter, by swinging the holder into vertical position, said flat projections are supported against the inner circumference of the suspension eyes, thus being fixed in this one position.
  • the holder is fixed by its bottom side in this position by means of a screw.
  • the disadvantage of these arrangements consists in that the mounting and dismounting as well as the exchange of the individual cam holders is labourious and time demand­ing.
  • a further disadvantage consists in the necessity of precise drilling of openings for the fixing screws as well as for the positioning pins.
  • a still further disadvantage is, that in those arrangements the cams are mounted stationarily in the vertical direction.
  • the object of the present invention consists in removing the above disadvantages and in forming a more simple arrangement with a smaller number of connecting elements to be used.
  • the cam block according to the present invention has its vertical body part in the form of a U-profile delimitated by side walls and a bottom formed by the mass of the vertical part of the cam body, upper and lower recesses being formed in the side walls, and a cam holder being mounted in the U-profile in the cam block, said holder being provided with upper pins engaging the upper recesses and lower pins engaging the lower recesses in the side walls of the cam block.
  • the cam holder forms in side view a wide U-profile, and its lower right corner is provided with a bevel.
  • the advantage of the cam block according to the presnet invention consists in that it makes possible an easy and quick exchange of cam holders, permits a vertical adjust­ment of the height position of the cams, and thus a change of the sinking depth of the not represented needles.
  • a cam block in exemplary embodiment is represented in the accompanying drawing, of which
  • the cam block 7 is formed, in this exemplary embodiment, in the vertical part into a U-profile delimitated by side walls 8 and a bottom formed by the mass of the body of cam block 7.
  • upper recesses 4 and lower recesses 5 are made.
  • the lower recesses 5 are deeper than the upper recesses 4.
  • a cam holder 1 is inserted into the U-profile, said cam holder carrying not represented cam parts fastened thereto.
  • the cam holder 1 is provided in its upper part with pins 2 and in its lower part with pins 3 projecting laterally there­from.
  • the pins 2 of the cam holder 1 engage the upper recesses 4 in the walls 8 of the cam block 7, and the lower pins 3 of the cam holder 1 engage the lower recesses 5 in the walls 8 of the cam block 7.
  • the mounting of the pins 2 of the holder 1 in the upper recesses 4 and of the pins 3 in the lower recesses 5 delimits the radial position of the cam holder 1 and thus that of the cams, but permits its axial motion.
  • the assembly of the cam block 7 with the cam holder 1 with the not represented cams is mounted in a known manner on the table 9 of the knitting machine.
  • the cam holder 1 is inserted into the cam block 7 in such a manner that with the declined upper part of the holder 1 from the cam block 7, i.e. with the bevel 6 parallel to the bottom of the U-profile in the cam block 7, the lower pins 3 of the cam holder 1 are inserted into the lower recesses 5 in the side walls 8 and displaced upwards, so that pins 2 of holder 1 can swing over the front edges of the walls 8 and are set up above recesses 4 in walls 8 and lowered into them. For that reason, the lower recesses 5 are deeper than the upper recesses 4.
  • the bevel 6 makes possible to overturn holder 1 from its inclined position into the vertical position in the U-profile of the cam block 7.
  • the not represented adapted part in the rear wall of holder 1 bears against the projecting element of a not represented device for the adjustment of the height of cams, which is mounted in the vertical part of the body of the cam block 7, by means of which it is possible to adjust the height of holder 1 by displacing pins 2, 3 in the recesses 4, 5, and thus adjust the height of the not represented cams mounted on the holder 1 for the purpose of changing the sinking depth of the not represented needles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP89111679A 1988-06-29 1989-06-27 Cam block for knitting machines Withdrawn EP0348896A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS884592A CS271138B1 (en) 1988-06-29 1988-06-29 Cam block for knitting frame
CS4592/88 1988-06-29

Publications (1)

Publication Number Publication Date
EP0348896A1 true EP0348896A1 (en) 1990-01-03

Family

ID=5389039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111679A Withdrawn EP0348896A1 (en) 1988-06-29 1989-06-27 Cam block for knitting machines

Country Status (2)

Country Link
EP (1) EP0348896A1 (cs)
CS (1) CS271138B1 (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138848A (en) * 1989-11-10 1992-08-18 Sipra-Patententwicklungs-Und Beteiligungsgesellschaft Mbh Non-rotatable removably mounted cam sections
WO2002053818A1 (en) * 2000-12-29 2002-07-11 Amtek, Spol. S R.O. Knitting machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882694A (en) * 1973-03-14 1975-05-13 Vyzk Vyvojovy Ustav Vseobe Adjustable needle cam support
FR2255407A1 (cs) * 1973-12-20 1975-07-18 Wirkmaschinenbau Karl Marx Veb
DE2643185A1 (de) * 1975-10-06 1977-04-14 Matec Spa Schloss mit abschlagteil und abschlagbegrenzungsteil fuer eine strickmaschine, insbesondere rundstrickmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882694A (en) * 1973-03-14 1975-05-13 Vyzk Vyvojovy Ustav Vseobe Adjustable needle cam support
FR2255407A1 (cs) * 1973-12-20 1975-07-18 Wirkmaschinenbau Karl Marx Veb
DE2643185A1 (de) * 1975-10-06 1977-04-14 Matec Spa Schloss mit abschlagteil und abschlagbegrenzungsteil fuer eine strickmaschine, insbesondere rundstrickmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138848A (en) * 1989-11-10 1992-08-18 Sipra-Patententwicklungs-Und Beteiligungsgesellschaft Mbh Non-rotatable removably mounted cam sections
WO2002053818A1 (en) * 2000-12-29 2002-07-11 Amtek, Spol. S R.O. Knitting machine
CN100422416C (zh) * 2000-12-29 2008-10-01 阿姆特克有限公司 编织机

Also Published As

Publication number Publication date
CS459288A1 (en) 1990-01-12
CS271138B1 (en) 1990-08-14

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