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
  • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
  • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
  • B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/10—Patterned fabrics or articles
  • D04B1/12—Patterned fabrics or articles characterised by thread material
  • D04B1/126—Patterned fabrics or articles characterised by thread material with colour pattern, e.g. intarsia fabrics
• • 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
  • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
  • D04B15/54—Thread guides
• • 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
  • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
  • D04B15/54—Thread guides
  • D04B15/56—Thread guides for flat-bed knitting 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/30—Handled filamentary material
  • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

• the present invention relates to an apparatus for supplying a knitting yarn to a yarn supplying apparatus in a knitting machine or the like, and in particular, sequentially selects one of a plurality of different types of different types of yarns such as colors,
• the present invention relates to a yarn switching device in a knitting machine or the like in which this is supplied to a yarn feeding device of a knitting machine while piecing each time.
• a yarn selection device and a yarn splicing device are provided between a plurality of types of yarn supply packages of different colors and the knitting machine, and the selected yarn selected by the yarn selection device is knitted during knitting.
• an apparatus for automatically piecing a yarn and knitting a desired color pattern In such a device, the yarn ends of a plurality of types of packages are held, only one selected selected yarn is released, and this is introduced into the yarn splicing device, so that An effective thread switching device that splices yarns between them was powerful.
• Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-27463 (Abstract, FIGS. 1 to 6)
• Patent Document 2 Japanese Patent Application No. 2005-25124 (Summary, Figures 1 to 3)
• the holding means for holding a plurality of yarn ends of a plurality of types of packages is opened to select only a predetermined selected yarn.
• a yarn switching device in a knitting machine or the like that enables the knitting yarn to be spliced with the knitting yarn being knitted and continuously feeds the yarn to the knitting machine.
• tension is applied to the yarn supply side due to yarn tension from the top panel or the weight of the yarn from the yarn supply package to the yarn holding means, and once the yarn holding is released, the yarn slips through.
• An object of the present invention is to provide a yarn switching device that can reliably switch between a selected yarn and a yarn being knitted, and can reliably hold a yarn other than the yarn used for knitting by holding means. To do.
• the present invention specifically selects and selects a yarn between a plurality of types of yarn supply packages having different colors and the like and a yarn supply device in the knitting machine.
• a yarn switching device for joining the selected yarn and the knitting yarn being knitted to the yarn feeding device of the knitting machine, and sucking means for sucking and holding a plurality of yarns together;
• Clamping means for clamping a plurality of yarns at a time with the yarn supply package, and the clamping means are arranged at two locations along the yarn path and are selectively operated. This constitutes a yarn switching device in a knitting machine or the like.
• the invention according to claim 2 is the yarn switching device in the knitting machine or the like according to claim 1, wherein the first clamper in the clamping means is linked to the suction means.
• the plurality of yarns on the yarn path are collectively clamped during the suction operation of the suction means.
• the invention described in claim 3 is a yarn switching device in a knitting machine or the like described in claim 1 or 2, wherein the second clamper in the clamping means is normally This is a thread holding member that clamps multiple threads at once and releases the clamp when the selected thread is selected.When the first clamper normally releases the clamp and selects the selected thread, It is characterized by comprising a thread presser member that presses the thread before releasing the thread holding member and releases the thread presser after starting the thread holding.
• a yarn switching device in a knitting machine or the like includes a suction unit that collectively sucks and holds a plurality of yarns, and a clamp that collectively clamps a plurality of yarns between a yarn supplying package and a suction unit.
• this clamping means was arranged at two locations along the yarn path, respectively It is composed of first and second clampers that are selectively operated.
• the holding means for holding the plurality of yarn ends of the plurality of types of packages is opened, and a predetermined one is selected. It is possible to select only the yarn and to splice it with the knitting yarn being knitted, and to feed it continuously to the knitting machine. The thread can be securely clamped regardless of the force.
• ⁇ 1 A schematic side view showing an embodiment of a flat knitting machine equipped with a yarn switching device according to the present invention.
• ⁇ 2 A schematic perspective view showing a specific configuration example of a yarn switching device in a knitting machine or the like according to the present invention.
• ⁇ 4 It is a schematic perspective view showing details of a main part of the yarn splicing device.
• FIG. 5 is a view showing a thread guide lever
• FIG. 5A is a schematic front view thereof
• FIG. 5A is a schematic front view thereof
• FIG. 5A is a right side view of FIG. 5A
• FIG. 5C is a cross-sectional view taken along line II in FIG. 5B.
• FIG. 6 to FIG. 9 are diagrams for explaining the thread selection operability procedure in the thread switching device according to the present invention.
• FIG. 6A-1 and FIG. 6A-2 show the first stage.
• 6B-1 and FIG. 6B-2 are a front view and a side view showing a second stage.
• FIGS. 7A-1 and 7A-2 are a front view and a side view showing the third stage.
• FIG. 7B-2 are a front view and a side view showing the fourth stage.
• FIGS. 8A-1 and 8A-2 are a front view and a side view showing the fifth stage.
• FIG. 8B-2 are a front view and a side view showing the sixth stage.
• Fig. 9A-1 and Fig. 9A-2 are front and side views showing the seventh stage.
• FIG. 9B-2 are a front view and a side view showing the eighth stage.
• FIG. 10A to FIG. 10G are side cross-sectional views of the yarn splicing device for explaining the operation procedure of the yarn splicing device.
• FIG. 11 is a perspective view showing a part of the apparatus including the thread insertion rotary plate.
• FIG. 12 A time chart showing the operating state of the thread switching device.
• FIG. 13 A time chart showing the operating state of the thread switching device.
• FIG. 7 is an explanatory diagram for explaining another example of the state corresponding to each figure. Explanation of symbols
• FIG. 1 is a schematic side view showing a flat knitting machine equipped with a yarn switching device according to the present invention.
• the flat knitting machine shown in this figure includes a machine base 40 and a yarn feeding device 41 incorporated in the machine base 40. Device 2 is combined. Near the machine base 40, for example, eight types of knitting yarn packages W1 to W8 are provided. Each of these knitting yarn packages W1 to W8 is composed of knitting yarns Y1 to Y8 of different colors.
• the machine base 40 is made up of a plurality of knitting needles arranged side by side so as to be able to advance and retreat--one dollar bed 42!
• the machine base 40 further includes a carrier 43 and a carriage 44 that can reciprocate. As the carriage 44 moves, the knitting needles of the needle bed 42 are advanced and retracted, and the carrier 43 is entrained.
• the eight types of knitting yarns ⁇ 1 to ⁇ 8 wound around the knitting yarn packages W1 to W8 are supplied to the yarn selection device 1, and one of the eight types of knitting yarns ⁇ 1 to ⁇ 8 is selected by the yarn selection device 1.
• Two knitting yarns (hereinafter referred to as “selected yarns”) are spliced together with the knitting yarn being knitted (hereinafter referred to as “knitting yarns”) by the yarn splicing device 2, and sent to the carrier 43 by the yarn feeding device 41.
• the knitted fabric 45 is knitted by being fed to the one-dollar bed 42 while being reciprocated by being held by the carrier 43.
• the knitting yarns ⁇ 1 to ⁇ 8 are supplied to the yarn selecting device 1 through the top panel 46 for applying tension. Then, the yarn selection device 1 and the yarn splicing device 2 change the colors of the knitting yarns ⁇ 1 to ⁇ 8 being knitted according to the pattern of the knitted fabric 45 to be knitted.
• the yarn switching device in the knitting machine or the like is configured to feed a yarn between a plurality of types of yarn feeding packages W1 to W8 having different colors and the yarn feeding device 41 in the knitting machine. It comprises a yarn selecting device 1 to be selected, and a yarn splicing device 2 for splicing the selected yarn selected by the yarn selecting device 1 and the knitting yarn being knitted.
• the yarn switching device includes a suction unit 28 that collectively sucks and holds a plurality of yarns, and a clamp that collectively clamps the plurality of yarns between the suction unit 28 and the yarn supply packages W1 to W8.
• the clamp means 29 includes a first clamper 29A and a second clamper 29B which are arranged at two locations along the yarn path and selectively operate with each other. Something It has become.
• the first clamper 29A in the clamp means 29 is linked to the suction means 28 so as to collectively clamp a plurality of yarns on the yarn path during the suction operation of the suction means 28. It is configured.
• the second clamper 29B in the clamping means 29 normally clamps a plurality of yarns at once, and the yarn holding member 31 that releases the clamp when selecting the selected yarn.
• the first clamper normally has the clamp released, and when selecting the selected thread, presses the thread before opening the thread holding member 31 and releases the thread presser after starting the thread holding. It is constituted by the thread presser member 30 to be operated.
• FIG. 2 is a schematic perspective view showing the yarn selection device 1 and the yarn splicing device 2 in an enlarged manner.
• the thread selection device 1 includes eight thread selection plates G1 to G8 at the top.
• Each of the thread selection plates Gl to G8 includes a threading ring g at the lower part.
• the knitting yarns Y1 to Y8 from the knitting yarn packages W1 to W8 are threaded through the thread threading ring g of the yarn selection plates G1 to G8, and one of the knitting yarns is sent to the yarn feeder 41.
• the yarn threading ring g is formed in an annular shape, and is configured such that the knitting yarns Y1 to Y8 are inserted through the annular portion.
• the yarn selecting device 1 includes a separator 12 for arranging the knitting yarn and the other knitting yarn separately. Further, the yarn selection device 1 includes a yarn guide lever 10 for guiding the knitting yarn at the selected position to the yarn splicing position.
• FIG. 3 is a schematic perspective view showing details of a main part of the yarn selecting device 1
• FIG. 4 is a schematic perspective view showing details of a main part of the yarn splicing device 2.
• the yarn selection device 1 is provided with a thread presser member 30, a thread holding member 31, and a thread end gripping sac- tion 32 in the vicinity of the separator 12.
• the thread presser member 30 is configured to move forward and backward by the thread presser cylinder 33. Normally, the thread presser member 30 is retracted and operates in the separator 12 and the thread presser cylinder 33. The yarn path between the end 33a is open, and the separator The thread is clamped together between the cylinder 12 and the working end 33a of the thread retainer cylinder 33.
• the thread holding member 31 is configured to advance and retreat by the thread holding cylinder 34, and is normally moved forward, so that the working end of the separator 12 and the thread holding cylinder 34 is operated.
• the yarn is clamped in a lump between it and 34a, and is retracted when the yarn is switched to open the yarn path between the separator 12 and the working end 34a of the yarn holding cylinder 34.
• a yarn splicing device 2 is combined below the yarn selecting device 1, a yarn splicing device 2 is combined. As shown in FIGS. 2 and 4, the yarn splicing device 2 is configured to splice two knitting yarns with their yarn end portions aligned in the same direction. This is a splicer type splicing device that splics yarn by spraying and blowing. This splicing device 2 also has a force including a splice nozzle 21.
• the splice nozzle 21 described above includes a yarn accommodation hole 21a that accommodates two yarns with the yarn end portions of two yarns to be spliced aligned in the same direction.
• the splice nozzle 21 is provided with an air ejection means 26 having a nozzle opening 21b for ejecting an air flow such as compressed air from the direction intersecting the yarn accommodating hole 21a.
• the electromagnetic valve 27 is provided to control the ejection of air by opening / closing control of the electromagnetic valve 27.
• the yarn splicing device 2 includes a disk guide 20 for guiding two knitting yarns to the yarn splicing position, a cutter 23 for adjusting the length of each knitting yarn, and untwisting each knitting yarn. Equipped with splice nozzle 21 etc. for yarn splicing.
• the yarn splicing device 2 is configured to be operated by a drive motor 50.
• a yarn positioning portion 35 for determining the position of the knitting yarn and sending it to the yarn feeding device 41 is provided below the yarn splicing device 2.
• This yarn positioning part 35 has a slit-like notch, and the knitting yarn is hooked on this notch for positioning.
• FIG. 5 is a diagram showing the yarn guide lever
• FIG. 5A is a schematic front view thereof
• FIG. 5B is a schematic right side view seen from the right side of FIG. 5A
• FIG. 5C is a cross-sectional view taken along line II in FIG. 5B.
• the yarn guide lever 10 has a main body portion 105 formed in a generally arc shape.
• the yarn guide lever 10 includes a first engagement portion 101 for engaging a selected yarn at one end.
• the first engaging portion 101 is formed in a V shape.
• Thread guide lever 10 rotates to the other end
• a shaft 107 is provided, and is configured to be rotatable in the arrow direction II around the rotation shaft 107.
• the yarn guide lever 10 is provided with a second engagement portion 102 for engaging the knitting yarn at substantially the center.
• the second engaging portion 102 protrudes from the main body portion 105.
• a pair of wall portions 106, 106 ′ are provided on both sides of the main body portion 105, and a U-shaped yarn regulating portion 103 is formed by each portion 105, 106, 106 ′.
• the yarn restricting portion 103 is formed as a U-shaped yarn restricting portion 103 that is opened outward over substantially the entire outer periphery of the yarn guide lever 10.
• FIGS. 6A, 6B, 7A, 7B, 8A, 8B, 9A, and 9A are diagrams for explaining the operation of the thread selection device and the like.
• the thread selection device is shown in FIGS. 6A, 6B, 7A, 7B, 8A, 8B, 9A, and 9A. It operates from the 1st stage to the 8th stage according to the procedure shown in 9B.
• A-1 and B-1 in each figure are schematic front views, and A-2 in each figure.
• B-2 is a schematic left side view corresponding to A-1 and B-1, respectively.
• FIG. 10 is a diagram for explaining the operation procedure of the yarn splicing device.
• FIG. 11 is a perspective view showing a part of the apparatus including the disk guide.
• the yarn selection device 1 holds eight knitting yarns Y1 to Y8 on eight yarn selection plates G1 to G8. ing.
• the knitting yarn Y4 (indicated by a two-dot chain line) is arranged inside the separator 12 (the left side in FIG. 6-2). Furthermore, seven knitting yarns ⁇ 1 to ⁇ 3 and ⁇ 5 to ⁇ 8 other than the knitting yarn ⁇ 4 are arranged on the outer side of the separator 12 (the right side in Fig. 6 ⁇ -2) and are clamped and held by the yarn holding member 31. It has been.
• the yarn holding member 31 includes an air solenoid that controls the air flow rate, and is configured to grip and release the knitting yarn by the operation of a piston cylinder by the air solenoid. In this state, the knitting yarn ridge 4 is fed from the upper side to the lower side and fed and passes through the front surface of the splice nozzle 21.
• a yarn switching signal based on a knitted fabric pattern inputted in advance from a control unit (not shown) provided in the flat knitting machine is sent to the yarn selection device 1, the yarn splicing device 2, the yarn feeding device 41, and the like. Sent .
• This signal stops the yarn feeding device 41 and stops the movement of the knitting yarn ⁇ 4, and the yarn selecting device 1 And the splicing device 2 etc. operates.
• the yarn selection plate G1 that holds the selected yarn Y1 (shown by the dotted line) as the target of type change is driven. To do.
• the thread selection plate G1 moves inward, the selected thread Y1 is positioned at the selected position P1. After that, the thread guide lever 10 rotates in the direction of arrow III (forward rotation).
• FIGS. 7A-1 and 7A-2 the rotation of the thread guide lever 10 causes the first engagement portion 101 of the thread guide lever 10 to move to the selected position P1.
• the selected yarn Y1 is arranged in the yarn restricting portion 103 of the yarn guide lever 10, and is thereby guided downward while being restricted to the specific position P2.
• the second engaging portion 102 of the yarn guide lever 10 protrudes from the separator 12 and moves along the arcuate upper edge portion 12a of the separator 12.
• FIG. 7A-1 shows a state in which the second engaging portion 102 is in contact with and engaged with the knitting yarn Y4. In this state, a part of the selection yarn Y1 and the knitting yarn Y4 are located inside the separator 12.
• the yarn guide lever 10 further rotates, and the first engaging portion 101 is located at the lowest position below the splice nozzle 21. Located in the lower position. Accordingly, the selection yarn Y1 is guided while being engaged with the first engagement portion 101 and sliding. Further, the selected yarn Y1 is guided while sliding on the yarn restricting portion 103 while being restricted to the specific position P2 by the yarn restricting portion 103 of the yarn guide lever 10, and is guided to the front surface of the splice nozzle 21.
• a splice nozzle that guides the selected yarn Y1 while restricting it to the specific position P2 of the yarn restricting section 103, so that the selected yarn Y1 does not get entangled with the knitting yarn Y4 and other knitting yarns Y2, Y3, etc. It can be moved to the front of 21.
• the thread presser member 30 is Drive to clamp the knitting yarns Y2 to Y8 other than the selected yarn Y1 inside the separator 12.
• the suction of the yarn end gripping suction 32 is started.
• the yarn end grasping suction 32 sucks and grasps the yarn ends of the knitting yarns ⁇ 1 to ⁇ 3 and ⁇ 5 to ⁇ 8.
• the yarn presser member 30 is configured to grip and release the knitting yarn by operation of a piston cylinder by an air solenoid. As shown in Fig.
• the first drive gear 51 and the second drive gear 52 are rotationally driven by the rotational drive of the drive motor 50.
• the first drive gear 51 is connected to a link mechanism (not shown) for performing a series of operations of the yarn splicing device 2 described later.
• the second drive gear 52 drives the disk guide 20.
• the second drive gear 52 rotates the disk guide 20 attached to the second driven gear 54 by engaging the first driven gear 53 and the second driven gear 54 together.
• a part of the disc guide 20 is notched, and a key-like thread insertion portion 20a is provided on one side of the notch.
• the selected yarn Y1 and the knitting yarn Y4 move in a state of being engaged with the yarn insertion portion 20a by the hook force, and the splice nozzle 21 It is pushed into the thread accommodation hole 21a.
• the yarn splicing device 2 operates as shown in FIG.
• the yarn splicing device 2 is an air splicer that splices yarn by ejecting compressed air, and includes a splice nozzle 21.
• the splice nozzle 21 includes a yarn accommodation hole 21a for accommodating two knitting yarns. Further, the splice nozzle 21 is provided with air ejection means 26 for ejecting compressed air to the yarn accommodation hole 21a.
• a nozzle opening 21b is provided in a direction intersecting the yarn accommodating hole 21a from the air ejection means 26.
• the air ejecting means 26 is configured to control air ejection by opening and closing an electromagnetic valve 27.
• One side of the splice nozzle 21 is provided with a clamping means 22 for holding two knitting yarns accommodated in the yarn accommodation hole 21a and arranged at the yarn splicing position P4, and on the other side, A cutter 23 is provided for adjusting the length by cutting the yarn ends of the two knitting yarns. Further, on one side of the splice nozzle 21, there are provided a nozzle cover 24 for closing one side of the thread accommodation hole 21a, and a thread drawing lever 25 for adjusting and pulling out the thread joining length.
• the splice nozzle 21, the clamping means 22, the cutter 23, the nozzle cover 24, and the thread drawing lever 25 are configured to be driven in series by a link mechanism (not shown) connected to the first drive gear 51.
• the selected yarn Y1 and the knitting yarn Y4 are sucked and gripped by the yarn end gripping sac- tion 32 with the yarn ends aligned in the same direction, and the yarn accommodating hole 2 la of the splice nozzle 21 And is located at the splicing position P4.
• the selected yarn Y1 and the knitting yarn Y4 are clamped by the force clamping means 22, and the nozzle cover 24 and the yarn pull-out lever 25 move to a position where the yarn accommodation hole 21a is closed.
• the cutter 23 operates to cut the yarn ends of the selected yarn Y1 and the knitting yarn Y4 by a predetermined length. The remaining yarn end of the selected yarn Y1 is sucked by the yarn end gripping sac- tion 32.
• the yarn pull-out lever 25 moves slightly in the direction of the arrow V to adjust the joint lengths of the selected yarn Y1 and the knitting yarn Y4.
• the air ejection means 26 is operated, and compressed air is blown to the selected yarn Y1 and the knitting yarn Y4 through the nozzle opening 21b to untwist the yarn ends of each knitting yarn (see FIG. 10E). ).
• the yarn pull-out lever 25 is further moved in the arrow direction V, and the selected yarn Y1 and the knitting yarn Y4 are pulled out from the yarn accommodation hole 21a (see FIG. 10F).
• the fibers are intertwined, and the selected yarn Y1 and the knitting yarn Y4 are spliced.
• the selected yarn Y1 and the knitting yarn Y4 are pulled out while being held by the nozzle cover 24, so that the entangled portion is prevented from being curled and the seam portion is less likely to have a hump shape.
• the selected yarn Y1 and the knitting yarn Y4 force as shown in FIG. 10G are completely pulled out from the yarn accommodating hole 21a, and then the clamping means 22 is opened, and the cutter 23, the nozzle cover 24, and the yarn drawing lever are released. 25 returns to its original position and completes the splicing.
• the yarn selecting device 1 holds the knitting yarns Y2 to Y8 other than the selected yarn Y1, as shown in FIGS. 9A-1 and 9A-2. To do.
• the yarn presser member 30 releases the knitting yarns ⁇ 2 to ⁇ 8, and at the same time, the suction of the yarn end gripping sac- tion 32 stops.
• the eighth stage as shown in FIGS.
• the yarn guide lever 10 is rotated (reversed) to the original state.
• the yarn selection plate G1 returns to the original position, and with the selected yarn Y1 placed inside the separator 12, the yarn feeding device 41 operates to send the selected yarn Y1 to the weft knitting machine.
• FIG. 12 is a time chart showing the operating states of the main members described above. After the thread guide lever 10 as shown in FIG. 12 rotates forward, the drive motor 50 rotates (0 ° to 360 °). One rotation of the drive motor 50 rotates the disk guide 20, and the clamp means 22, the cutter 23, the nozzle cover 24, the thread pull-out lever 25, etc. are driven, and the starting force of the piecing is also completed until the completion. It is configured to operate.
• the first engagement portion 101 first engages the selection yarn Y1 at the selection position P1, and the second engagement portion 102 later knitting.
• the knitting yarn ⁇ 4 is moved from the inside to the outside of the separator 12 by engaging the yarn ⁇ 4.
• the second engagement The joining portion 102 engages the knitting yarn ⁇ 1 and engages the knitting yarn Y1, and moves from the inside of the separator 12 to the outside. That is, as shown in FIGS. 13A-1 and 13A-2, when the first engagement portion 101 rotates with the selection yarn ⁇ 4 engaged, the selection yarn ⁇ 4 is moved from the outer side of the separator 12 to the inner side. Move in a crossed state. As a result, the knitting yarn Y1 intersects and engages with the selection yarn 4 before the second engaging portion 102 is engaged. In this state, when the yarn guide lever 10 further rotates, the selected yarn ⁇ 4 forces knitting yarn Y1 is moved from the inside to the outside of the separator 12, as shown in FIGS. 13B-1 and 13B-2.
• the yarn switching device according to the present invention can also be installed in a textile machine such as an automatic winder that splics a yarn selected from a plurality of types of yarn.

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

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• 2006
  • 2006-09-27 KR KR1020087005923A patent/KR101224566B1/ko active IP Right Grant
  • 2006-09-27 CN CN2006800376687A patent/CN101283136B/zh active Active
  • 2006-09-27 WO PCT/JP2006/319125 patent/WO2007043335A1/ja active Application Filing
  • 2006-09-27 EP EP06810616.0A patent/EP1956127B1/de active Active
  • 2006-09-27 JP JP2007539860A patent/JP5172346B2/ja active Active

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