EP1975295B1 - Nadelwahlvorrichtung für kulierwirkmaschine - Google Patents

Nadelwahlvorrichtung für kulierwirkmaschine Download PDF

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Publication number
EP1975295B1
EP1975295B1 EP06843766.4A EP06843766A EP1975295B1 EP 1975295 B1 EP1975295 B1 EP 1975295B1 EP 06843766 A EP06843766 A EP 06843766A EP 1975295 B1 EP1975295 B1 EP 1975295B1
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EP
European Patent Office
Prior art keywords
needle
selector
cam
raising
needle selecting
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.)
Active
Application number
EP06843766.4A
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English (en)
French (fr)
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EP1975295A4 (de
EP1975295A1 (de
Inventor
Hirotoshi Yamano
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Shima Seiki Mfg Ltd
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Shima Seiki Mfg Ltd
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Publication of EP1975295A1 publication Critical patent/EP1975295A1/de
Publication of EP1975295A4 publication Critical patent/EP1975295A4/de
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Publication of EP1975295B1 publication Critical patent/EP1975295B1/de
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    • 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
    • D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
    • D04B15/362—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines with two needle beds in V-formation
    • 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
    • D04B15/36—Cam systems or assemblies for operating knitting instruments for flat-bed knitting machines
    • 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
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D04B15/68—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the knitting instruments used
    • D04B15/78—Electrical devices
    • 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
    • D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
    • D04B15/82—Devices for determining or controlling patterns ; Programme-control arrangements characterised by the needle cams used

Definitions

  • the present invention relates to a needle selecting device for a weft knitting machine, which selects knitting operation individually for plenty of knitting needles installed in a needle bed side by side.
  • knitting operations have been performed with knitting needles, that are slidably mounted in plenty of needle grooves of a needle bed and selected by needle selecting devices mounted in a carriage which performs reciprocating motion along with a longitudinal direction of the needle bed in order to drive needles by cam systems for knitting.
  • a knit, a tuck, and a miss are standards for the knitting operation of the knitting needle.
  • a hook at a head of the knitting needle advances over an end of the needle bed into a knitting space called as tooth entrance, and a stitch loop currently held till then is made to clear from the hook.
  • the hook also advances to the tooth entrance but not to exceed the limit for the stitch loop currently held till then is made to clear from the hook.
  • both needle beds confront each other so that the gap between the beds makes the tooth entrance, and transferring operation for stitch loops between both needle beds is also possible, and a cam system for loop transferring is also mounted in the carriage.
  • Fig. 4 shows a schematic structure of a knitting needle 1.
  • the knitting needle 1 is of latch type, and the head end of a needle 2 moves into or from the tooth entrance, thereby to perform a knitting operation.
  • a hook 3 is provided for forming a stitch loop and a latch 4 is provided for opening and closing the hook 3.
  • a needle jack 5 is connected.
  • a loop transferring piece 6 for holding the stitch loop during transferring operation is also provided in the side of an interstitial segment of the needle 2.
  • a butt for knitting 7 and a butt for loop transferring 8 are provided on the needle jack 5, that are driven at the time of operation of knitting, a stitch receiving and so forth.
  • the tail end of the needle jack 5 is pressured from a select jack 9.
  • Raising or clearing of the select jack 9 is controlled by nonexistence or existence of pressure to a butt for selecting 10. Pressure to the butt for selecting 10 is performed by a presser placed on a trajectory of the butt for selecting 10. The select jack 9 is pushed up toward the tooth entrance by an action of a selector 11.
  • the selector 11 has a butt for clearing 12 to push down the selector 11 at the head end so that it may keep away from the tooth entrance, and a butt for raising 13 to push up the selector 11 at the tail end toward the tooth entrance.
  • a butt for needle selecting 14 is provided at a position as one of plural predetermined positions, for example, eight positions as illustrated. The position of the butt for needle selecting 14 is set up to differ one after another with the adjoining knitting needle 1.
  • Fig. 5 shows schematically a structure of a needle groove 15 for housing the knitting needle 1 shown in Fig. 4 .
  • the carriage runs both ways, and needle plates 17 are installed upright in a fixed pitch on the needle bed 16.
  • the needle groove 15 is formed between adjacent needle plates 17, and each knitting needle 1 is housed in the needle groove 15.
  • the head side of the needle bed 16 confronts to the tooth entrance 18.
  • a movable sinker 19 moves forward and backward with the needle 2 of the knitting needle 1.
  • the movable sinker 19 is biased to advance into the tooth entrance 18 by a spring 19a, and acts pushing down knitting fabric composed by the knitting needle 1 to the lower side of the tooth entrance 18.
  • the select jack 10 and the selector 11 are at base positions that are most separated from the tooth entrance 18 respectively, and the selector 11 is floating in the needle groove 15 so that needle selection is possible.
  • the select jack 9 will also be pushed up toward the tooth entrance 18.
  • the select jack 9 maintains the pushed up position by sliding resistance in the needle groove 15.
  • a hollow 11a is provided on the lower portion of the selector 11, and a gap is formed between a penetrate member 15a and the hollow 11a in the needle groove 15.
  • the tail end portion of the selector 11 sinks in the needle groove 15 until the hollow 11a contacts the penetrate member 15a and pushing up to the butt for raising 13 stops acting.
  • the selector 11 can be returned to a state in which the lower part 11b floats in the needle groove 15 and the needle selection is possible, by pushing up the lower part 11b, in the state even when the selector 11 is sinking in the needle groove 15.
  • Fig. 6 shows an example of cam systems 20, which are mounted in the carriage to select the knitting needles 1 of Fig. 4 and to perform knitting and transferring operation selectively.
  • Two couples of cam systems 20 are mounted in one carriage, for example.
  • One couple of cam systems 20 includes a transfer cam for both sending and receiving 21, a fixed needle raising cam 22, a movable needle raising cam 23, stitch cams 24, needle guide cams 25, select jack clearing cams 26, selector guide cams for clearing 27, selector guide cams for raising 28, and selector raising cams 29.
  • Selecting needle actuators 30, a tuck presser 31, half pressers 32, a fixed presser 33, and a selector floating cam 34 are also included in one couple of cam system 20.
  • cam systems are divided into right and left by a center line 20a of the carriage, and each cam shall be determined to belong either to the right-hand side cam system 20 or the left-hand side cam system 20.
  • one part of function of needle selecting for forward side cam system 20 is also shared by backward side cam system 20.
  • the transfer cam for both sending and receiving 21 acts on the butt for loop transferring 8 of the needle jack 5 shown in Fig. 4 , and the fixed needle raising cam 22, the movable needle raising cam 23, and the stitch cams 24 act on the butt for knitting 7 of the needle jack 5.
  • the stitch cam 24 is also called as a stitch density setting cam, and movable to adjust quantity for drawing the knitting needle 1 from the tooth entrance 18.
  • the transfer cam for sending and receiving 21 and the movable needle raising cam 23 are switched so that it may appear interchangeably from a bottom board of the carriage.
  • the select jack clear cam 26 presses the butt for selecting 10 of the select jack 9 from the tooth entrance 18 side so that pushes down it compulsorily to a B-position which is a base position.
  • the selector guide cam for clearing 27 pushes down the butt for clearing 12 of the selector 11 by the clearing portions 27a and 27b protruded toward the needle selecting actuator 30, and guides it so that the selector 11 may fall in a base position until it reaches the position of the needle selecting actuator 30.
  • the selected selector 11 can push up the select jack 9 to an H-position which is the mid-position by the raising portion 28a protruded from the selector guide cam for raising 28 to the tooth entrance 18 side, and can push up the select jack 9 by the selector raising cam 29 to an A-position which is an advancing position.
  • each needle selecting actuator 30 is performed by not sinking the butt for needle selecting 14 of the selector 11 in the needle groove 15. Once the selector 11 falls into a non-selecting state and sinks in the needle groove 15, the selector 11 stops receiving the actions of the selector guide cam for raising 28, the selector raising cam 29 and the needle selecting actuator 30. When the lower part 11b of the tail end side of the selector 11 moves to a position where the selector floating cam 34 exists, the selector 11 in the state of sinking in the needle groove 15 will float, and will come to receive the actions of the selector guide cam for raising 28, the selector raising cam 29, and the needle selecting actuator 30.
  • Fig. 7A shows a transition state of a position in the needle is selected at the time of carriage going leftward which corresponds to the cam system 20 as the right-hand side in Fig. 6
  • Fig. 7B shows a needle selecting state by the selector 11. It is assumed that the case where the cam system 20 shown in right-hand side of Fig. 6 becomes the backward side, that is, the case where the carriage mounting the cam system 20 runs to the left.
  • the needle selection of the knitting needle 1 for knitting or loop transferring operation to be made by the right-hand side cam system 20, is performed by two stages of needle selecting actuators 30 with right part of the left-hand side cam system 20 and left part of the right-hand side cam system 20.
  • the knitting needle 1 which received an action from the left-hand side cam system 20, receives needle selecting by the needle selecting actuator 30 on the right part of the left-hand side cam system 20, after being compulsorily cleared to the B-position by the select jack clear cam 26 on the right part of the left-hand side cam system 20.
  • the needle is selected when setting the select jack 9 as the A- or H-position after two stages of needle selection, but the needle is not selected when setting it as the B-position, and then the selector 11 is sunk in the needle groove 15.
  • the selector 11 is pushed down to a position corresponding to the B-position of the select jack 9 by the clearing portion 27a of the selector guide cam for clearing 27 placed in the left-hand side cam system 20, and then receives needle selecting. If needle selecting of the knitting needle 1 is performed, since the selector 11 will be pushed up to a position corresponding to the H-position from a position corresponding to the B-position of the select jack 9 by the raising portion 28a of the selector guide cam for raising 28, the select jack 9 is also pushed up to the H-position. Since the selector 11 by which needle selecting is not performed maintains a position corresponding to the B-position of the select jack 9 and passes the raising portion 28a and the selector raising cam 29, the select jack 9 also maintains the B-position.
  • the selector 11 pushed up to a position corresponding to the H-position of the select jack 9 by the raising portion 28a is pushed down to a position corresponding to the B-position of the select jack 9 by the clearing portion 27b of the selector guide cam 27 placed in the middle of the right-hand side and left-hand side cam systems 20.
  • the select jack 9 pushed up to the H-position by the raising portion 28a maintains the H-position.
  • needle selecting of the selector 11 is performed by the needle selecting actuator 30 on the left part of the right-hand side cam system 20, the selector 11 will be pushed up to a position corresponding to the A-position of the select jack 9 in response to an action of the selector raising cam 29, and the select jack 9 will also be pushed up to the A-position. If needle selecting of the selector 11 is not performed in the needle selecting actuator 30 on the left part of the right-hand side cam system 20, the selector 11 will pass the selector raising cam 29 in a position corresponding to the B-position of the select jack 9, and the select jack 9 will maintain the H-position.
  • the needle is selected when setting the select jack 9 as the A-position, the needle is not selected when setting the select jack 9 as the H-position, and then the selector 11 is sunk in the needle groove 15.
  • the selector 11 sunk in the needle groove 15 will float in the needle groove 15, if the selector clearing cam 34 pushes up the lower part 11b of the tail end side of the selector 11 from the bottom side of the needle groove 15.
  • the tuck presser 31, the half presser 32 and the fixed presser 33 are placed along trajectories which the butt for selecting 10 of the select jack 9 passes in the H-position and the B-position. If one of these pressers presses the butt for selecting 10, the select jack 9 will sink in the needle groove 15, and the tail end side of the needle jack 5 will also be depressed in the needle groove 15, the butt for knitting operation 7 stops receiving actions of the fixed needle raising cam 22 and the movable needle raising cam 23.
  • the tuck presser 31 and the half presser 32 are changeover types, and can change over operation of the tuck or the loop receive for the knitting needle 1 selected to the H-position. Assuming the disposing pitch between the cam systems 20 is P, a fixed presser 33 is placed out of the range W1 within which a pair of the select jack clear cam 26.
  • the select jack clear cam 26 on the left part of the right-hand side cam system 20 is in a setting state and does not protrude from a bottom board of the carriage, in order to give passage to the butt for selecting 10 of the select jack 9 including in the selected needle.
  • the selector raising cam 29 on the right part of the left-hand side cam system 20 is also in the setting state. That is, as for the select jack clear cam 26 and the selector raising cam 29, a state of either rising or setting is changed over according to a running direction of the carriage. A drive to change over of either rising or setting is performed, for example, by using a motor mounted on the carriage, or is performed by using magnet adsorption described in paragraph [0002] in Japanese Patent Application Laid-open No.
  • H05-156553 a latch needle such as the knitting needle 1 but a compound needle which opens and closes the hook of the needle body with a slider which performs sliding movement displacement relatively for the needle body is used.
  • a pair of the select jack clear cam 26 is placed on the down side of the needle guide cam 25 so that positioning of three positions of A, H, and B may be performed after the select jack 9 is reset to the B-position which is a base position.
  • the select jack clear cam 26 belong to the backward system, however, needs to change into the setting state so as not to affect the trajectory along which the butt for selecting 10 of the select jack 9 belong to the needle selected in the H-position or the A-position gets through.
  • the invention is directed to a needle selecting device for a weft knitting machine, mounted in a carriage which performs both-way run along with a longitudinal direction of a needle bed, positioning and changing over each select jack which controls rising or setting state for a driving but of each knitting needle, the driving butt receives an action of a cam system for knitting so as to go up to a tooth entrance side one after another by three positions of a base position of non selection, a mid-position in selection by a first needle selecting actuator, and an advancing position in selection by a second needle selecting actuator, the needle selecting device for the weft knitting machine comprising:
  • the needle selecting of the selector is performed by the first needle selecting actuator, since it can raise by the second raising portion of the selector guide cam for raising to the mid-position even if the selector is also cleared to the base position when the select jack is guided to the base position by the protrusion of the needle guide cam, the select jack cleared to the base position by the protrusion can be raised to the mid-position. Furthermore, since the selector which acts as in non-needle selected state by the first needle selecting actuator is not raised by the second raising portion of the selector guide cam for raising, it can maintain the select jack at the base position to which it is cleared by the protrusion. The guidance to the selector by the first raising portion of the selector guide cam for raising does not affect positioning.
  • the needle selecting actuator at the end of the cam system for knitting mounted in the carriage, the clearing portion of the selector guide cam for clearing, and the raising portion of the selector guide cam for raising can be operated respectively as the first needle selecting actuator, the first clearing portion, and the first raising portion, when the end becomes the backward side.
  • the needle selecting actuator at the end of the cam system for knitting, the clearing portion of the selector guide cam for clearing, and the raising portion of the selector guide cam for raising are operated respectively as the second needle selecting actuator, the second clearing portion, and the second raising portion when the running direction of the carriage is reversed and the end becomes the forward side, the width required for the end of the carriage can also be reduced.
  • a result of needle selecting by the first needle selecting actuator reflects to the selection by the second raising portion of the selector guide cam for raising. Since the first needle selecting actuator is set to non-selected state when the select jack sets to the base position, the position of the select jack can maintain the base position at the second raising portion. Since the presser which acts on the butt for selecting of the select jack is made to start from the second clearing portion of the selector guide cam for clearing which follows the second raising portion, the width necessary only for the needle selecting portion is decreased, so that the width of the knitting portion can be expanded than conventional method, and stabilization of knitting can be achieved or the width of the knitting portion as equivalent to conventional method can achieve a miniaturization of the carriage.
  • the butt for knitting of the knitting needle can be made to pass the stitch cam without interfering in the knitting operation.
  • Fig. 1 shows a schematic construction of a cam system 40 including a needle selecting device 39 for weft knitting machine as one embodiment of the present invention.
  • This cam system 40 has similar function for the knitting needle 1 shown in Fig. 4 about knitting and loop transferring operation to the cam system 20 shown in Fig. 6 .
  • Two couples of cam systems 40 are mounted in one carriage as like as the cam system 20, for example.
  • One couple of the cam systems 40 is divided by a center line 40a, and includes a transfer cam for both sending and receiving 41, a fixed needle raising cam 42, a movable needle raising cam 43, stitch cams 44, needle guide cams 45, a selector guide cams for clearing 47, selector guide cams for raising 48, selector raising cams 49, needle selecting actuators 50, a tuck presser 51, half pressers 52, a fixed presser 53, and a selector floating cam 54.
  • the transfer cam for both sending and receiving 41 and the movable needle raising cam 43 which is provided in the tooth entrance side of central portion are of changeover type and changed over by turns so that one protrudes from a bottom board of the carriage but the other does not protrude.
  • the stitch cams 44 are movable cam so that the backward side stitch cam 44 works to adjust stitch density which is a drawing quantity determined by pulling backward the knitting needle 1 from tooth entrance.
  • any movable part equivalent to the select jack clear cam 26 of the rising and setting type as shown in Fig. 6 is not included, the same function is realized by a protrusion 45a protruded from the central portion on a downside of needle guide cam 45.
  • the needle selecting actuator 50 on the right part of the left-hand side cam system 40 functions as a first needle actuator
  • the needle selecting actuator 50 on the left part of the right-hand side cam system 40 functions as a second needle selecting actuator.
  • the needle selecting actuator 50 on the right part of the right-hand side cam system 40 functions as the second needle selecting actuator.
  • the same needle selecting actuator 50 functions as the first needle actuator at the time of going leftward before reversal direction from going rightward.
  • the needle guide cam 45 which has the protrusion 45a, and the selector guide cam for raising 48 which has the two raising portions 48a and 48b differ from the needle guide cam 25 and the selector guide cam for raising 28 of Fig. 6 , in the needle selecting device 39 for weft knitting machine.
  • the needle guide cam 45 acts on the butt for selecting 10 of the select jack 9 of Fig. 4 , as well as the needle guide cam 25 of Fig. 6 , and if it is the A-position which is an advancing position, it will be compulsorily pushed down to the tail end side till the H-position which is the mid-position.
  • the selector 11 is pushed down to a position corresponding to the B-position of the select jack 9 by the clearing portion 47a of the selector guide cam for clearing 47. That is, in the first needle actuator, the needle is selected in the state where the select jack 9 is at the H-position or the B-position.
  • the protrusion 45a of the needle guide cam 45 acts on the butt for selecting 10 of the select jack 9, and compulsorily pushes it down to the B-position.
  • a second raising portion 48b of the selector guide cam for raising 48 is provided between the protrusion 45a and the second needle selecting actuator, the selector 11 which is in the needle selecting state by the first needle actuator is pushed up from a position corresponding to the B-position of the select jack 9 to a position corresponding to the H-position.
  • the select jack 9 is also pushed up to the H-position.
  • first raising portion 48a of the selector guide cam for raising 48 is provided between the first needle actuator and the protrusion 45a of the needle guide cam 45, and pushes up the selector 11, which is in the needle selecting state by the first needle actuator and at a position corresponding to the B-position of the select jack 9, to a position corresponding to the H-position of the select jack 9.
  • the first raising portion 48a at the time of going leftward of the carriage functions as the second raising portion at the time of going rightward of the carriage, and performs an effective action to push up the selector 11 which is pushed down to a position corresponding to the B-position of the select jack 9 by the protrusion 45a of the needle guide cam 45, till a position corresponding to the H-position of the select jack 9. That is, even if the action as the first raising portion 48a is invalid, the action as the second raising portion becomes effective after a running direction of the carriage is reversed, and an effective function can be realized by the fixed type protrusion 45a without providing a select jack clear cam of an rising and setting type in the needle guide cam 45.
  • the selector raising cam 49 acts on the butt for raising 13 of the selector 11 in the state where the needle is selected by the second needle selecting actuator 50, and pushes up the selector 11 to a position corresponding to the A-position of the select jack 9.
  • the selector 11 is pushed up to a position corresponding to the A-position of the select jack 9, the select jack 9 will also be pushed up to the A-position.
  • the tuck presser 51 and the half presser 52, and the fixed presser 53 are placed along trajectories which the butt for selecting 10 of the select jack 9 passes through in the H-position and the B-position among three positions, A, H, and B.
  • the select jack 9 will sink in the needle groove 15 of Fig. 5 . Since the head side of the select jack 9 presses the tail end side of the needle jack 5 from the upper portion, the tail end side of the needle jack 5 also sinks in the needle groove 15, so that the butt for knitting 7 stops receiving an action of the fixed needle raising cam 42 and the movable needle raising cam 43.
  • the tuck presser 51 and the half pressers 52 are changeover types, and can change over operation of the tuck or the stitch receiving with the knitting needle 1 selected to the H-position.
  • the butt for clearing 12 and the butt for raising 13 of the selector 11 are guided so that they may be pinched by the selector guide cam for clearing 47 and the selector guide cam for raising 48.
  • hollow shape corresponding to protrusion shape of the selector raising cam 49 is provided in the selector guide cam for clearing 47 which faces a portion in which the selector raising cam 49 is provided.
  • the selector raising cam 49 is of a rising and setting type as well as the selector raising cam 29 of Fig. 6 .
  • the needle selecting actuator 50 presses the butt for needle selecting 14 provided in the selector 11 of the knitting needle 1 which is not selected, and decreases a protrusion amount of the butt for raising 13 from the needle groove 15. When the protrusion amount of the butt for raising 13 becomes reduced, the selector 11 will cease to receive the action of the selector guide cam for raising 48 and the selector raising cam 49.
  • the end of the fixed presser 53 of each cam system 40 can be placed to near protrusion 45a of the needle guide cam 45. However, it is necessary to leave a path along which the butt for selecting 10 of the select jack 9 pass through to the H-position or the A-position. That is, in the needle selecting device 39 for weft knitting machine, the width W2 of a portion in which the fixed presser 53 cannot be placed, is able to be limited within an area near the protrusion 45a of the needle guide cam 45 among needle selecting portions. As compared with the width W1 of Fig. 6 , the width W2 of Fig. 1 can be made small enough. Therefore, if the disposing pitch P of the cam system 40 is made the same as the disposing pitch P of the cam system 20 of Fig. 6 , the range of the stitch cam 44 can be made large, and the stability of yarn feeding in the knitting operation of the knitting needle 1 etc. can be improved.
  • Figs.2A and 2B correspond to Figs. 7A and 7B
  • Fig. 2A shows a transition state of a position in needle selecting at the time of carriage going leftward for the cam system 40 on the right-hand side of Fig. 1
  • Fig. 2B shows a needle selecting state of the selector 11.
  • the select jack 9t will be pushed down compulsorily to the H-position as the mid-position by a portion on the left-hand side of the needle guide cam 45 placed on an intermediate space.
  • the selector 11 is pushed down to a position corresponding to the B-position of the select jack 9 by the clearing portion 47a formed on the selector guide cam for clearing 47 placed in the left-hand side cam system 40, and receives needle selection by the needle selecting actuator 50 at the right part of the cam system 40 on the left-hand side used as the first needle selecting actuator. If the position of the select jack 9 is the H-position or the B-position at preceding time, the select jack 9 does not receive change of a position.
  • the selector 11 which received needle selection by the first needle actuator is pushed up to a position corresponding to the H-position of the select jack 9 by the first raising portion 48a of the selector guide cam for raising 48.
  • the butt for needle selecting 14 of the selector 11 shown in Fig. 5 is sunk in the needle groove 15 and the butt for raising 13 is also sunk in the needle groove 15 without receiving the needle selection, the butt for raising 13 does not receive the pushing up action of the first raising portion 48a and keeps a position corresponding to the B-position of the select jack 9.
  • the select jack 9 at the H-position is compulsorily pushed down to the B-position by the protrusion 45a of the needle guide cam 45.
  • the selector 11 is also pushed down to a position corresponding to the B-position of the select jack 9.
  • the selector 11 When the selector 11 reaches a position of the second raising portion 48b of the selector guide cam for raising 48, the second raising portion 48b pushes up the selector 11 which is selected by the first needle selecting actuator from a position corresponding to the B-position of the select jack 9 to a position corresponding to the H-position of the select jack 9.
  • the selector 11 in the non-selecting state does not receive the action of the raising portion 48b, and keeps a position corresponding to the B-position of the select jack 9.
  • the selector 11 pushed up to a position corresponding to the H-position of the select jack 9 is pushed down to a position corresponding to the B-position of the select jack 9 by the second clearing portion 47b of the selector guide cam for clearing 47 after pushing up the select jack 9 to the H-position, and receives the needle selection by the needle selecting actuator 50 on the left part of the cam system 40 of the right-hand side used as the second needle selecting actuator.
  • the needle selection is performed when making the knitting needle 1 into the A-position, and the select jack 9 is also pushed up to the A-position since the butt for raising 13 of the selector 11 will be pushed up to a position corresponding to the A-position of the select jack 9 by the action of the selector raising cam 49 if the needle is selected.
  • the cam system 40 shown in the right-hand side of Fig. 1 becomes the preceding side, the left-hand side cam system 40 operates as well as the above-mentioned cam system 40 in the right-hand side.
  • the select jack 9 for controlling either rising state or setting state to determine whether the butt for knitting 7 as a driving butt of each knitting needle 1 receives the action of the cam system 40 for knitting or not, is changed over with three positions of the B-position which is base position, the H-position which is mid-position and the A-position which is advancing position by two steps of selections to the selector 11 by the first and second needle selecting actuators 50.
  • the needle guide cam 45, the selector guide cam for clearing 47, and the selector guide cam for raising 48 are included.
  • the needle guide cam 45 is provided with the protrusion 45a between the first needle selecting actuator 50 and the second needle selecting actuator 50, and the cam acts on the butt for selecting 10 of the select jack 9 as the butt for needle selecting, moves the select jack 9 of the A-position to the H-position until it reaches the first needle selecting actuator 50.
  • the knitting needle 1 in the A-position can also be cleared to the B-position.
  • the selector guide cam for clearing 47 has a first clearing portion 47a and a second clearing portion 47b.
  • the first clearing portion 47a pushes down the selector 11 to a position corresponding to the B-position of the select jack 9 so as to receive the needle selection at the first needle selecting actuator 50.
  • the second clearing portion 47b pushes down the selector 11 to a position corresponding to the B-position of the select jack 9 so as to receive the needle selection at the second needle selecting actuator 50.
  • the selector guide cam for raising 48 includes a first raising portion 48a for displacing the selector 11, which is at a position corresponding to the B-position of the select jack 9 in the needle selecting state by the first needle selecting actuator 50, to a position corresponding to the H-position of the select jack 9 until it reaches the protrusion 45a of the needle guide cam 45, and a second raising portion 48b for displacing the selector 11, which is in the selected state displaced to a position corresponding to the B-position of the select jack 9 by the protrusion 45a of the needle guide cam 45, to a position corresponding to the H-position of the select jack 9 until it reaches the second needle selecting actuator 50.
  • the select jack 9 is able to be positioned to the H-position for the select jack 9 if the needle is not selected at the second needle selecting actuator 50. If the needle is selected by the second needle selecting actuator, the selector 11 can be further pushed up to a position corresponding to the A-position of the select jack 9, and the select jack 9 can also be pushed up to the A-position.
  • the function of the select jack clear cam 26 of the rising and setting type as shown in Fig. 6 is realizable by the fixed type protrusion 45a of the needle guide cam 45 placed between the first and second needle selecting actuators 50, and by the two raising portions 48a and 48b of the selector guide cam for raising 48, and the width W2 required for the needle selecting portion can be decreased. Furthermore, since the moving portion such as the select jack clear cam 26 of the rising and setting type shown in Fig. 6 can be eliminated, improvement in cost reduction or stability of operation can be achieved.
  • Fig. 3A shows a transition state of the cam system 40 on the right-hand side of Fig.1 , which precedes at the time of carriage going leftward
  • Fig. 3B shows a transition state of needle selecting at the time of carriage going rightward.
  • the needle selecting actuator in the right part functions as the second needle selecting actuator
  • the right-hand side selector raising cam 49 rises
  • the selector 11 which is in the needle selecting state, is pushed up to a position corresponding to the A-position of the select jack 9.
  • the selector raising cam 49 of this right-hand side will be in the setting state, and the needle selecting actuator 50 will function also as the first needle actuator.
  • the needle selecting actuator 50 of the end of the cam system 40 for knitting mounted in the carriage is operated as the first needle selecting actuator when the end becomes the backward side, and the needle selecting actuator 50 is operated as the second needle selecting actuator when the running direction of the carriage is inverted and the end becomes the forward side, the width required for the end of the carriage can also be decreased.
  • the fixed presser 33 cannot be placed in the range of the width W1 including the space between outside heads of the select jack clear cam 26.
  • the range for the stitch cam 24 being able to be placed in each cam system 20, corresponds to the space between both outside ends of the fixed presser 33.
  • the gap between the stitch cams 24 is made large, it will be necessary to enlarge the disposing pitch P of the cam system 20, the size of the width direction of the carriage will become large, and a miniaturization will become difficult. Furthermore, if the size of the width direction of the carriage becomes large, even when composing knitting fabric of the same knitting width, the carriage needs to run more distance than the sum of the knitting width and the width of the carriage, and the productivity also reduces.
  • the width of the fixed presser 53 is made large, it will become easy to restrict the range between the stitch cams 24 within the limit of the fixed presser 53, and it will become possible to continue pressing the butt for selecting 10 of the select jack 9 by the fixed presser 53 at the time of the B-position is selected, so that the butt for knitting 7 of the needle jack 5 in the knitting needle 1 which received needle selection of the miss, is able to pass through the stitch cam 44 with no relation.
  • the two sets of the cam systems 40 are mounted in the carriage in the above explanation, one set or three or more sets can also be mounted.
  • the needle selecting actuator 50 although one knitting needle is selectable from eight adjoining knitting needles, the number of the selectable knitting needles can also be changed according to an placing pitch of the knitting needle, etc.
  • the knitting needle not only a latch needle but a compound needle etc. can also use.
  • moving portion such as a select jack clear cam of an rising and setting type can be eliminated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (4)

  1. Nadelauswahlvorrichtung (39) für eine Strickmaschine, die in einem Schlitten montiert werden soll, der eine Hin- und Herbewegung entlang einer Längsrichtung eines Nadelbetts (16) ausführt, welche jeden Auswahlstößer (9), der einen Anheb- oder Einstellzustand eines Strickfußes (7) steuert, von jeder Stricknadel (1) positioniert und ändert, wobei der Strickfuß (7) eine Einwirkung eines Schlosssystems (40) zum Stricken erfährt, so dass einer nach dem anderen zu einer Seite eines Zahneingangs (18) nach oben geht über drei Positionen, einer Basisposition (B) bei Nichtauswahl, einer Mittenposition (H) bei Auswahl durch einen ersten Nadelauswahlbetätiger (50), und eine Vortriebsposition (A) bei Auswahl durch einen zweiten Nadelauswahlbetätiger (50), wobei die Nadelauswahlvorrichtung (39) für die Strickmaschine gekennzeichnet ist durch:
    ein Nadelführungsschlossteil (45), ausgestattet mit einer Ausbuchtung (45a) zum Einwirken auf einen mit dem Auswahlstößer (9) bereitgestellten Auswahlfuß (10) und zum Führen des Auswahlstößers (9) zu der Basisposition (B) zwischen dem ersten Nadelauswahlbetätiger (50) und dem zweiten Nadelauswahlbetätiger (50);
    ein Auswahlführungsschlossteil zum Freigeben (47) ausgestattet mit einem ersten Freigabebereich (47a) und einem zweiten Freigabebereich (47b), wobei der erste Freigabebereich (47b) dazu dient, einen Selektor (11) zu der Basisposition (B) zu führen, wo eine Stricknadel (1) eine Auswahl durch den ersten Nadelauswahlbetätiger (50) erfährt, und der zweite Freigabebereich (47b) dazu dient, den Selektor (11) zu der Basisposition (B) zu führen, wo die Nadel (1) eine Auswahl durch den zweiten Nadelauswahlbetätiger (50) erfährt; und
    ein Auswahlführungsschlossteil zum Heben (48), ausgestattet mit einem ersten Hebebereich (48a) und einem zweiten Hebebereich (48b), wobei der erste Hebebereich (48a) dazu dient, nur den Selektor (11), der durch den ersten Nadelauswahlbetätiger (50) ausgewählt ist, zu der Mittenposition zwischen dem ersten Nadelauswahlbetätiger (50) und der Ausbuchtung (45a) des Nadelführungsschlossteiles (45) zu führen, der zweite Hebebereich (48b) dazu dient, nur den Selektor, der durch den ersten Nadelauswahlbetätiger (50) ausgewählt ist, zu der Mittenposition zwischen der Ausbuchtung (45a) des Nadelführungsschlossteiles (45) und dem zweiten Freigabebereich (47b) des Auswahlführungsschlossteiles zum Freigeben (47) zu führen.
  2. Nadelauswahlvorrichtung (39) für die Strickmaschine nach Patentanspruch 1, wobei der Nadelauswahlbetätiger (50), der Freigabebereich (47b) des Auswahlführungsschlossteiles zum Freigeben (47) und der Hebebereich (48c) des Auswahlführungsschlossteiles zum Heben (48),die in montiertem Zustand an einem Ende des Schlosssystems (40) zum Stricken montiert in dem Schlitten positioniert sind, jeweils betrieben werden als der erste Nadelauswahlbetätiger (50), der erste Freigabebereich (47b) und der erste Hebebereich (48a), wenn das Ende nach hinten gerichtet ist; und jeweils betrieben werden als der zweite Nadelauswahlbetätiger (50), der zweite Freigabebereich (47b) und der zweite Hebebereich (48a), wenn das Ende vorwärts gerichtet ist.
  3. Nadelauswahlvorrichtung (39) für die Strickmaschine nach Patentanspruch 1 oder 2, wobei ein Drücker (53) zum Drücken des Auswahlfußes (10) in dem Einstellzustand, wenn der Auswahlstößer (11) in der Basisposition (B) positioniert ist, an dem zweiten Freigabebereich (47b) des Auswahlführungsschlossteiles zum Freigeben (47) beginnt.
  4. Nadelauswahlvorrichtung (39) für die Strickmaschine nach Patentanspruch 3, wobei Maschenschlösser (47) innerhalb des Druckbereichs des Drückers (53) platziert sind.
EP06843766.4A 2005-12-27 2006-12-27 Nadelwahlvorrichtung für kulierwirkmaschine Active EP1975295B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005376633 2005-12-27
PCT/JP2006/326397 WO2007074944A1 (ja) 2005-12-27 2006-12-27 横編機の選針装置

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EP1975295A1 EP1975295A1 (de) 2008-10-01
EP1975295A4 EP1975295A4 (de) 2013-07-17
EP1975295B1 true EP1975295B1 (de) 2014-10-15

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EP4261333A1 (de) * 2022-04-14 2023-10-18 KARL MAYER STOLL R&D GmbH Flachstrickmaschine und verfahren zur herstellung eines doppelflächigen plattiergestricks, insbesondere filigrangestricks

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CN101215754B (zh) * 2008-01-07 2010-06-09 常熟市金龙机械有限公司 电脑针织横编机的导针三角调整机构
CN102021733B (zh) * 2008-07-16 2013-07-03 冯加林 一种采用电磁选针的三角编织控制系统
CN102105628B (zh) 2008-07-23 2012-06-27 株式会社岛精机制作所 编织针驱动用三角及横编机
CN102224286B (zh) * 2008-12-01 2013-09-11 株式会社岛精机制作所 移圈接受针用三角装置
JP5719557B2 (ja) * 2010-10-06 2015-05-20 株式会社島精機製作所 選針装置
JP5788675B2 (ja) * 2010-12-28 2015-10-07 株式会社島精機製作所 横編機
CN102154775B (zh) * 2011-05-05 2012-11-21 江苏雪亮电器机械有限公司 低机号电脑针织横机编织系统
CN102321948A (zh) * 2011-09-08 2012-01-18 宁波慈星股份有限公司 电脑针织横机选针上护山
CN102321946A (zh) * 2011-09-08 2012-01-18 宁波慈星股份有限公司 电脑针织横机选针下护山
CN102383257B (zh) * 2011-10-17 2013-09-25 徐贵丰 一种多段选针电脑提花横机三角板
EP3556921B1 (de) 2018-04-16 2021-09-01 KARL MAYER STOLL R&D GmbH Flachstrickmaschine und verfahren zur herstellung eines filigrangestricks
KR101964231B1 (ko) 2018-08-31 2019-04-02 동일편직기계(주) 환편기의 선침장치
JP6557430B1 (ja) * 2019-02-13 2019-08-07 佰龍機械廠股▲ふん▼有限公司 歯口隙間の大きさが変更可能な横編機構造
JP6557432B1 (ja) * 2019-02-25 2019-08-07 佰龍機械廠股▲ふん▼有限公司 横編機を用いて厚みの異なる立体構造編物を編成する方法
JP7307580B2 (ja) 2019-04-05 2023-07-12 株式会社島精機製作所 横編機
CN112239913A (zh) * 2019-07-17 2021-01-19 浙江伟焕机械制造有限公司 一种新型选针出针结构及其工作方法
JP7477422B2 (ja) * 2020-10-02 2024-05-01 株式会社島精機製作所 横編機
WO2022191204A1 (ja) 2021-03-10 2022-09-15 株式会社島精機製作所 横編機によるパンチレース編地の編成方法
JP2023152195A (ja) 2022-04-01 2023-10-16 株式会社島精機製作所 横編機

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JPH05156553A (ja) * 1991-12-06 1993-06-22 Shima Seiki Mfg Ltd 横編機におけるカム出没切り換え装置
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Publication number Priority date Publication date Assignee Title
EP4261333A1 (de) * 2022-04-14 2023-10-18 KARL MAYER STOLL R&D GmbH Flachstrickmaschine und verfahren zur herstellung eines doppelflächigen plattiergestricks, insbesondere filigrangestricks

Also Published As

Publication number Publication date
KR101209644B1 (ko) 2012-12-07
JP5057996B2 (ja) 2012-10-24
CN101351587A (zh) 2009-01-21
EP1975295A4 (de) 2013-07-17
JPWO2007074944A1 (ja) 2009-06-04
CN101351587B (zh) 2011-03-02
KR20080081149A (ko) 2008-09-08
EP1975295A1 (de) 2008-10-01
WO2007074944A1 (ja) 2007-07-05

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