JP2014221958A - Apparatus for treating terminal filament in flat-knitting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for treating a terminal filament in a flat-knitting machine, that can close the gripper even at a declined position.SOLUTION: In a unit 10, a gripper 11 can be moved up and down between an elevated position indicated in (a) and a declined position indicated in (b). The up and down movement of the gripper 11 can be performed by a rotation of a driving shaft 15. For opening a holding portion 11a located at a lower end of the gripper 11, the driving shaft 25 is rotated and the declining of a pressing member 13 is prevented with a fluctuation stopper 31 of switching means 30. The driving shaft 25 is rotated and it can be switched such that the declining of the press member 13 is not prevented with the fluctuation stopper 31 even at the declined position of the gripper 11. Therefore, the holding portion 11a of the gripper 11 can be closed at the declined position.

Description

  The present invention relates to an end yarn processing apparatus for a flat knitting machine capable of capturing, holding and cutting a knitting yarn during knitting with a flat knitting machine.

    Conventionally, in a flat knitting machine, an end yarn processing device capable of capturing and holding or cutting a knitting yarn extending from a knitting needle to a yarn supplying member when knitting a knitted fabric is used in combination (for example, Patent Documents 1 and 2). These end yarn processing apparatuses include two units that can move independently and each have a gripper, and a stubby cutter provided on one of the units. Each unit moves along the longitudinal direction of the needle bed while facing the teeth that the front and back needle beds face each other, and the movement of the gripper is controlled by the rotation of the drive shaft with the track that guides the movement as the drive shaft. The The two units perform a cooperative operation performed in cooperation in a close state where the distance between them is close, and a single operation in a separated state where the distance between them is long.

  FIG. 9 shows a simplified operation of the end yarn processing apparatus provided in the flat knitting machine 1. As shown in (a), the flat knitting machine 1 has a needle bed at the front and rear, the knitting needle 5 from the front needle bed, and the knitting needle 6 from the rear needle bed respectively advance into the teeth 8 through the hooks 5a and 6a. The knitted fabric is knitted with the knitting yarn 9a fed from the yarn feeding member 9. The end yarn processing apparatus has a gripper 11 between a rising position where the gripping portion 11a at the lower end retreats from the needle bottom intersection 8a to the upper side of the rear needle bed and a lowering position where the gripping portion 11a is close to the needle bottom intersection 8a. Can be moved up and down. The grip portion 11a is closed so as to grip the knitting yarn 9a strongly at the raised position, and is opened at the time of the cooperative operation at the lowered position, and is in a half-open state that is opened to the extent that the knitting yarn 9a is gripped weakly at the single operation. The gripper 11 is formed by a hook member shown in the drawing and a pressing member not shown. Such an end yarn processing apparatus enables end yarn processing during finger bag knitting as described in FIG.

  After the knitting of one finger bag, the yarn supplying member 9 separates from the finger bag while pulling out the knitting yarn following the end portion of the finger bag. When the two units move between the yarn supplying member 9 and the finger bag and cooperate to lower and open the gripper 11 to the lowered position, the knitting yarn 9a extending from the finger bag to the yarn supplying member 9 by both grippers 11 is provided. The middle part of can be captured. When the gripper 11 that has captured the knitting yarn 9a is raised to a raised position and closed, the knitting yarn 9a can be held between both grippers 11, and when the held knitting yarn 9a is cut with a cutter, In the gripper 11, the end of the knitting yarn 9 a extending to the yarn supplying member 9 is held, and in the gripper 11 on the knitted fabric side, the end of the knitting yarn 9 a drawn from the end portion of the knitted fabric is held. When the unit on the knitted fabric side is moved away from the unit on the yarn supplying member 9 side and operated alone and the gripper 11 is lowered to the lowered position, the half-open state is entered. Therefore, the end of the knitting yarn 9a is inserted into the finger bag. Can be released.

  The gripper 11 on the yarn supplying member 9 side keeps gripping the end portion of the knitting yarn 9a to be supplied while moving the yarn supplying member 9 when the knitted fabric to be knitted next is knitted. FIG. 9B shows a gripper 11 and a rear needle for gripping the end of the knitting yarn 9a when it is assumed that the yarn 6 is fed to the hook 6a of the knitting needle 6 on the rear needle bed and knitted. The relationship with the knitting needle 6 on the floor side is shown. FIG. 9C shows a state in which the grip portion 11a grips the end portion of the knitting yarn 9a on the set-up side in a state where the stitch row in the course direction is formed with the knitting yarn 9a. If a knitting yarn holding and cutting device is provided that can hold the knitting yarn 9a by providing a hook bar at the longitudinal end of the needle bed, the end of the knitting yarn 9a is moved from the gripping portion 11a of the gripper 11 to the hook bar. An operation of changing the position is also performed (for example, see Patent Document 3).

Japanese Patent No. 4015980 International Publication No. 2009/084193 Japanese Patent No. 4015973

  The conventional end yarn processing apparatuses as shown in Patent Documents 1 and 2 are closed only when the gripper 11 is lifted only at the raised position, and at the lowered position, the gripping part 11a is opened by a cooperative operation and becomes a half-open state by a single operation. There is a restriction that it cannot be done. Due to this restriction, the end yarn processing device uses the knitting needle used when the gripper 11 on the yarn supplying member 9 side grips the end of the knitting yarn 9a and the yarn supplying member 9 moves and feeds the yarn. When facing the mouth 8 from the needle bed side, it is limited to the knitting needle 5 that advances from the front needle bed to the mouth 8 as shown in FIG. As shown in FIG. 9 (b), the knitting needle 6 that advances from the back needle bed to the mouth 8 captures the knitting yarn 9a between the gripping portion 11a of the gripper 11 at the raised position and the yarn supplying member 9 by the hook 6a. This makes it difficult to feed the yarn. Further, even though it is possible to set up the yarn to be fed to the hook 5a of the knitting needle 5 that advances from the front needle bed to the mouth 8, the gripper 11 holds the end of the knitting yarn 9a at the raised position, and therefore FIG. ), The end yarn extending from the starting end portion of the knitted fabric to the end gripped by the gripping portion 11a of the gripper 11 becomes long. Further, even if a knitting yarn holding and cutting device having a hook bar is provided at the end of the needle bed in the longitudinal direction, the knitting yarn 9a held by the gripper 11 in the raised position may be changed to the hook bar on the rear needle bed side. Can not.

  An object of the present invention is to provide an end yarn processing apparatus for a flat knitting machine that can close a gripper even in a lowered position without restriction as in a conventional end yarn processing apparatus.

The present invention is provided with a gripper that opens and closes the gripping portion at the lower end so that the knitting yarn supplied from the yarn supplying member can be captured and gripped by the flat knitting machine, and can run along the tooth opening. Has two units,
Each gripper
A hook member is provided at the lower end, and the hook member is driven to move up and down between a lowered position where the hook position is close to the needle bottom intersection in the tooth opening, and an elevated position retracted from the tooth opening;
A tension spring with one end hung on the hook member;
A pressing portion is provided at the lower end, the other end of the tension spring is hung, and each includes a pressing member that can be moved up and down in conjunction with the hook member via the tension spring.
A hook and a pressing part form a grip part,
In the end yarn processing device of a flat knitting machine,
Each unit has a switching means,
Each switching means switches whether or not to prevent the pressing member from descending in conjunction with the hook member with respect to the pressing member and hook member of the gripper provided in each unit itself.
This is an end yarn processing apparatus of a flat knitting machine.

Further, in the present invention, at least two drive shafts extending in the traveling direction of the two units and rotating around the axis line are provided,
The raising / lowering drive of the hook member of each unit is performed based on the rotation of the drive shaft assigned to each unit,
Each switching means is
A transmission mechanism for transmitting the rotation of the drive shaft different from the drive shaft assigned to the unit having the switching means;
A swing stopper that swings in response to the rotation transmitted by the transmission mechanism and is in a predetermined swing state, and can prevent the presser member from descending;
It is characterized by that.

In the present invention, two drive shafts are provided and assigned to the two units, respectively.
The transmission mechanism included in each switching means,
A driven gear that is supported so as to be able to move in the direction of travel and rotate around the axis with a drive shaft assigned to the unit comprising the switching means;
A driven shaft that is assigned to a unit different from the unit, is supported so as to be movable in the traveling direction, is driven by rotation around an axis, and is engaged with the driving gear;
With
The swing stopper is provided coaxially with the driven gear.
It is characterized by that.

  According to the present invention, each unit includes switching means for switching whether or not to prevent the pressing member of the gripper included in each unit from descending in conjunction with the hook member. Even if the position of the hook provided at the lower end of the hook member becomes a lowered position close to the needle bottom intersection in the tooth opening, the switching means can be switched so as to close the gripping part without preventing the pressing member from descending. When the gripper gripping part is switched to close even in the lowered position, there is no restriction on the conventional end yarn processing device, and the hook of the knitting needle that advances from the needle bed close to the position where the end yarn processing device faces the tooth opening to the tooth opening. It is also possible to set up the knitted fabric by supplying yarn. Since the gripper in the lowered position grips the end yarn at the time of knitting, the end yarn extending from the starting end portion of the knitted fabric to the end gripped by the gripper can be prevented from becoming long. Further, if a knitting yarn holding device is provided at the end of the needle bed to hold the knitting yarn by advancing the hook bar to the tooth opening in the same manner as the knitting needle, the needle bed side provided with the end yarn processing device is provided. The end thread to be gripped by the gripper can also be changed on the hook bar.

  According to the present invention, a drive shaft is assigned to each unit so as to raise and lower the hook member of the gripper. By using the rotation of the drive shaft that is different from the drive shaft assigned to each unit, it is possible to switch the prevention of lowering of the presser member by the swing stopper of the switching means, so that the gripper gripping part can be raised and lowered Can be driven by rotation of different drive shafts.

  According to the invention, the transmission mechanism of the switching means is assigned to the drive gear driven by using the rotation of the drive shaft assigned to a unit different from the unit provided with the switching means, and to the unit provided with the switching means. The driven shaft is provided with a driven gear that is supported so as to be able to move in the traveling direction and rotate around the axis and mesh with the drive gear. Since the swing stopper is provided coaxially with the driven gear, the switching means can be provided in each unit of the end yarn processing apparatus with few components.

FIG. 1 is a side cross-sectional view schematically showing a schematic configuration of one unit 10 included in an end yarn processing apparatus 2 of a flat knitting machine 1 as an embodiment of the present invention. FIG. 2 is a simplified side cross-sectional view showing the relationship between the operation of the switching means 30 in the unit 10 of FIG. 1 and the operation of the other unit 20. FIG. 3 is a simplified side cross-sectional view showing the relationship between the operation of the switching means 30 in the unit 10 of FIG. 1 and the operation of the other unit 20. FIG. 4 is a simplified front view showing the configuration of the end yarn processing apparatus 2 including the two units 10 and 20. FIG. 5 is a front view and a right side view showing components of the gripper 11 used in the unit 10. FIG. 6 is a front view and a right side view showing components of the gripper 21 used in the unit 20. FIG. 7 is a front view and a right side view showing components of the lifting mechanism 19 and the switching means 30 of the gripper 11 used in the unit 10. FIG. 8 is a front view and a right side view showing components of the lifting mechanism 29 and the switching means 40 of the gripper 21 used in the unit 20. FIG. 9 is a diagram showing the operation of the end yarn processing apparatus 2 in a simplified manner.

  1 to 9 show the configuration and operation of the end yarn processing apparatus 2 as an embodiment of the present invention. In the description of each figure, a part that is not described in the figure to be described may be referred to with reference numerals described in other figures. Further, in the two units 10 and 20 provided in the end yarn processing apparatus 2, since the numerical values of the first place are the same and the numerical values of the 10th place are different by 10, the matters described for the unit 10 also apply to the unit 20. When applicable, the overlapping description of the corresponding part of the unit 20 may be omitted.

  FIG. 1 shows a schematic configuration of one unit 10 included in an end yarn processing apparatus 2 of a flat knitting machine 1 as an embodiment of the present invention. The flat knitting machine 1 includes at least a front needle bed 3 and a rear needle bed 4. A large number of knitting needles 5 and 6 are juxtaposed on the front needle bed 3 and the rear needle bed 4 along the longitudinal direction perpendicular to the paper surface. The end yarn processing device 2 travels on a track 7 installed in the longitudinal direction of the front needle bed 3 and the back needle bed 4 and teeth between the front needle bed 3 and the back needle bed 4 from the back needle bed 4 side. Facing mouth 8. Above the mouth 8, as shown in FIGS. 9A to 9C, a yarn supplying member 9 for supplying the knitting yarn 9 a to the hooks 5 a and 6 a of the knitting needles 5 and 6 is provided.

  The unit 10 shown in FIG. 1 includes a gripper 11 that opens and closes a gripping portion 11a at the lower end so that the knitting yarn supplied from the yarn feeding member 9 can be captured and gripped, and travels along the tooth mouth 8. Is possible. The gripper 11 includes a hook member 12, a pressing member 13, and a tension spring 14. One end of the tension spring 14 is hooked on the hook member 12, and the other end is hooked on the pressing member 13. The pressing member 13 moves up and down in conjunction with the hook member 12 via the tension spring 14. A hook 12 a is provided at the tip of the hook member 12. The tension spring 14 urges the hook 12 a to be pressed by the pressing portion 13 a at the tip of the pressing member 13. In a state where the pressing portion 13a presses the hook 12a, the gripping portion 11a at the lower end of the gripper 11 is closed, and in a state where the pressing portion 13a is prevented from approaching the hook 12a, the gripping portion 11a is opened.

  The end yarn processing apparatus 2 has a unit 20 having a configuration corresponding to the unit 10 as shown in FIGS. The two units 10 and 20 can travel in the direction perpendicular to the paper surface of FIG. Since the configuration for traveling is performed in the same manner as in Patent Documents 1 and 2, description thereof is omitted. Two drive shafts 15 and 25 are provided for the two units 10 and 20 so as to extend in the traveling direction and rotate around the axis. The raising and lowering drive of the hook members 12 and 22 of each unit 10 and 20 is performed based on the rotation of the drive shafts 15 and 25 respectively assigned to the units 10 and 20.

  In the unit 10, as shown in FIG. 1A, the gripper 11 is moved upward from the needle bottom intersection 8 a of the mouth 8 to the rear needle bottom 4 side as shown in FIG. As shown, the gripping portion 11a can be moved up and down between the lowered position close to the needle bottom intersection 8a. The drive shaft 15 assigned to the unit 10 is engaged with the proximal end side of the link drive member 16, and the distal end side is swung according to the rotation. The drive shaft 25 provided together with the drive shaft 15 is provided for raising and lowering the gripper 21 by another unit 20, but supports the base end side of the link driven member 17 so as to be swingable around the axis. Use to do. Link connecting members 18 are connected to the distal ends of the link driving member 16 and the link driven member 17 to form a quadrilateral link. This quadrilateral link forms the lifting mechanism 19 of the gripper 11. The hook member 12 is attached to the link connecting member 18 and can be moved up and down between the raised position and the lowered position by the lifting mechanism 19.

  As shown in FIGS. 1 (a) and 1 (b), the gripping portion of the gripper 11 is in a state in which the presser member 13 is entrained via the tension spring 14 when the hook member 12 is moved up and down in both the raised position and the lowered position. 11a closes. In this embodiment, in order to open the grip portion 11a, the swinging stopper 31 of the switching means 30 provided in the unit 10 itself prevents the pressing member 13 of the unit 10 itself from descending. The swing stopper 31 performs switching depending on whether or not the rotation of the drive shaft 25 is transmitted via the transmission mechanism 32 and the tip of the swing displacement reaches the position where the presser member 13 is prevented from descending. The transmission mechanism 32 meshes with the drive gear 33 that is movably attached to the drive shaft 25 in the axial direction, and is supported by the drive shaft 15 so as to freely move in the axial direction and rotate around the axis. And a driven gear 34. A base member 35 that is slidable along the track 7 is provided as a basis for each component of the unit 10.

  The needle beds 3 and 4 that face each other across the mouth 8 are inclined so that the side of the mouth 8 is high and the distance from the mouth 8 is lower, and the raising and lowering of the gripper 11 is also inclined, for example, 45 degrees. Done in the direction. However, in the following FIG. 2 and FIG. 3, for the convenience of explanation, the raising and lowering directions of the grippers 11 and 21 are shown in the vertical direction of the drawings.

  2 and 3 show the relationship between the operation of the switching means 30 in the unit 10 shown in (a) and the operation of the other unit 20 shown in (b). In this embodiment, in the unit 10, the lifting mechanism 19 of the gripper 11 is driven by the rotation of the drive shaft 15, and the swing stopper 31 is switched by the rotation of the drive shaft 25. Since the drive shaft 25 is provided to drive the lifting mechanism 29 of the gripper 21 of the other unit 20, even when the unit 10 and the unit 20 are separated and perform a single operation, if the switching is performed on the other hand, This affects the position of the gripper on the other side. Therefore, in the single operation, the other unit may be moved to a place where the position of the gripper does not affect the knitting operation. Since the grippers 11 and 21 of the two units 10 and 20 can be moved up and down by the two drive shafts 15 and 25, respectively, and the switching by the switching means 30 and 40 can be performed, the configuration of the end yarn processing apparatus 2 is simplified. Cost reduction.

  As shown in FIGS. 2A and 3A, even when the gripper 11 of the unit 10 is lowered to the lowered position, the lowering prevention portion 13b of the pressing member 13 is brought into contact with the swing stopper 31 and lowered. If this is prevented, a half-open state and a fully-open state can be realized. 2 (b) corresponding to FIG. 2 (a), the gripper 21 of the unit 20 is driven at an intermediate position between the raised position and the lowered position. In FIG. 3 (b) corresponding to a), it is in the lowered position.

Accordingly, the basic operation of the end yarn processing apparatus 2 is as follows.
Gripper 11 Gripper 21
A: Down position / closed Up position / closed B: Down position / half open Intermediate position / closed C: Down position / opened Down position / open D: Up position / closed Up position / closed E: Up position / closed Down position / closed F: Intermediate position / closed Down position / half-open

  According to the present embodiment, the end yarn processing at the time of finger bag knitting as described in FIG. 20 of Patent Document 1 can be performed by combining the operations of B, C, D, and F with two units. Not only can this be done, but also the operation of closing the gripping part 11a in the lowered position at A and E is possible by the unit alone.

  In the conventional end yarn processing device, when the grippers of the two units are both in the lowered position, the two units prevent the presser member of the own unit from descending, so that even if the single operation is half open, but the cooperative operation is open. And a stopper that prevents the pressing member of the counterpart unit from descending. The stopper that prevents the pressing member of the own unit from descending prevents the pressing member of the own unit from descending until the gripper is lowered to the lowering position in order to partially open the gripper at the lowered position. The stopper of the counterpart unit in the cooperative operation prevents the presser member from descending at a position higher than the stopper of the own unit, and the gripping part is fully opened when it is lowered to the lowered position. As described above, since the stopper unit is also provided in the own unit to prevent the presser member from descending, the presser member cannot be brought down to the lowering position of the hook member even in a single operation, and is held at the lowered position. The part cannot be closed. Further, the switching of the operations of B, C, and F involves the contact and separation between the two units, and cannot be performed by the unit alone.

  FIG. 4 shows a simplified overall configuration of the end yarn processing apparatus 2 including the two units 10 and 20. A cutter mechanism 50 is attached to the unit 10, and the knitting yarn held between the grippers 11 and 21 can be cut by the cutter 51. The cutter mechanism 50 is provided with a passive portion 52 for operating the cutter 51, and is driven by being engaged with a drive portion 26 a provided at an end portion of the link drive member 26 of the unit 20. This driving is performed as a cooperative operation when the units 10 and 20 are closer than the illustrated interval.

  In addition, in the unit 10 shown in another figure, illustration of the cutter mechanism 50 is abbreviate | omitted. Further, the tip ends of the link shafts 18a and 18b to which the link connecting member 18 is connected to the link driving member 16 and the link driven member 17 are stopped by retaining rings 18c and 18d. The distal ends of the link shafts 28a and 28b to which the link connecting member 28 is connected to the link driven member 27 and the link driving member 27 are stopped by retaining rings 28c and 28d. The hook members 12, 22 are attached to the link connecting members 18, 28 with attachment screws 19a, 19b; 29a, 29b, respectively. In order to adjust the mounting position of the hook members 12 and 22 with respect to the link connecting members 18 and 28, adjustment screws 19c and 29c for pressing the eccentric collar are provided, respectively. The illustration of the retaining rings 18c, 18d, 28c, 28d, the mounting screws 19a, 19b, 29a, 29b, and the adjusting screws 19c, 29c are also omitted in the other drawings.

  5 and 6 show the components of the grippers 11 and 21 used in the units 10 and 20, respectively. (A) shows the hook members 12 and 22, (b) shows the pressing members 13 and 23, and (c) shows the link connecting members 18 and 28 as viewed from the front and the right side, respectively. Grooves 18e, 18f, 28e, 28f for stopping the retaining rings 18c, 18d, 28c, 28d are formed in the vicinity of the tips of the link shafts 18a, 18b, 28a, 28b of the link connecting members 18, 28.

  FIG. 7 shows components of the lifting mechanism 19 and the switching means 30 of the gripper 11 used in the unit 10. (A) is the base member 35, (b) is the link driving member 16, (c) is the driven gear 34, (d) is the link driven member 17, and (e) is the driving gear 33, respectively. As shown. Although the swing stopper 31 is formed as an integral shape by extending a part of the driven gear 34, the swing stopper 31 may be connected to the same axis coaxially and swing in conjunction with the driven gear 34. The drive gear 33 and the driven gear 34 are also used as the drive gear 43 and the driven gear 44 of the unit 20. The drive gear 33 and the driven gear 34 are provided with teeth only in the range to be used in the outer periphery. However, since the transmission mechanism 32 of the unit 10 and the transmission mechanism 42 of the unit 20 have different tooth ranges, the teeth are provided in two places, but teeth may be provided on the entire circumference. The transmission mechanisms 32 and 42 are realized not only by the combination of the drive gears 33 and 43 and the driven gears 34 and 44, but also by the combination of a pulley and a timing belt, or a stopper and the like via a crank mechanism. You can also.

  FIG. 8 shows components of the lifting mechanism 29 of the gripper 21 used in the unit 20. (A) shows the base member 45, and (b) shows the link driving member 26 in front view and right side view, respectively. As described above, other parts are shared with the parts of the unit 10 shown in FIG. For example, the driven gear 34 shown in FIG. 7C is used as the driven gear 44 in the unit 20, and the swing stopper 31 extending from the driven gear 34 becomes the swing stopper 41 in the driven gear 44.

  FIG. 9 shows a simplified effect obtained by using the gripper 11 of the end yarn processing apparatus 2 of the present embodiment. The other grippers 21 have the same effect.

  Since the gripping portion 11a of the gripper 11 can be closed and grips the end of the knitting yarn 9a even at the lowered position shown in (d), not only the knitting needle 5 of the front needle bed 3 but also as shown in (e). The yarn can be fed also to the knitting needle 6 of the rear needle bed 4. Further, as shown in (f), the gripping portion 11a of the gripper 11 grips the end portion of the knitting yarn 9a of the set-up portion at a low lowered position, so that the length of the end yarn of the set-up portion is set to (c) It can be made shorter than the case of gripping at the raised position as shown by. If a hook bar for holding the end of the knitting yarn 9a is provided at the end in the longitudinal direction of the needle bed, the knitting yarn 9a is also transferred from the gripping portion 11a of the gripper 11 at the lowered position to the hook bar on the rear needle bed. You can change.

  Further, the half-open state shown in FIG. 2A can be adjusted by changing the position of the tip of the swing stopper 31. In the unit 10, when the position of the tip of the swing stopper 31 is changed by the rotation of the drive shaft 25 assigned to the other unit 20, the height of the intermediate position of the gripper 21 of the unit 20 is changed and adjusted. Become. According to the present embodiment, an appropriate half-open state can be obtained according to the thickness of the knitting yarn by the process of inserting the end yarn 9a at the end portion into the knitted fabric as shown in FIG. .

  In this embodiment, the two drive shafts 15 and 25 are also used for rotation, and the grippers 11 and 21 are moved up and down and switched by the switching means 30 and 40. However, the number of drive shafts can be increased. Thus, the raising and lowering and switching can be driven independently. Further, for supporting the driven gears 34 and 44, a dedicated support shaft may be provided without using the drive shafts 25 and 15. The switching means 30 and 40 can also be realized by mounting a solenoid, a motor, or the like in the units 10 and 20 so that members corresponding to the swing stoppers 31 and 41 are projected and retracted.

DESCRIPTION OF SYMBOLS 1 Weft knitting machine 2 End yarn processing device 3 Front needle bed 4 Rear needle bed 5,6 Knitting needle 8 Tooth mouth 9 Yarn feeding member 10, 20 Unit 11, 21 Gripper 12, 22 Hook member 13, 23 Holding member 14, 24 Pull Spring 15, 25 Drive shaft 19, 29 Elevating mechanism 30, 40 Switching means 31, 41 Oscillating stopper 32, 42 Transmission mechanism 34, 44 Driven gear

Claims (3)

Two units capable of running along the tooth opening, each equipped with a gripper that opens and closes the gripping part at the lower end so that the knitting yarn supplied from the yarn feeding member can be captured and gripped by the flat knitting machine Have
Each gripper
A hook member is provided at the lower end, and the hook member is driven to move up and down between a lowered position where the hook position is close to the needle bottom intersection in the tooth opening, and an elevated position retracted from the tooth opening;
A tension spring with one end hung on the hook member;
A pressing portion is provided at the lower end, the other end of the tension spring is hung, and each includes a pressing member that can be moved up and down in conjunction with the hook member via the tension spring.
A hook and a pressing part form a grip part,
In the end yarn processing device of a flat knitting machine,
Each unit has a switching means,
Each switching means switches whether or not to prevent the pressing member from descending in conjunction with the hook member with respect to the pressing member and hook member of the gripper provided in each unit itself.
An end yarn processing apparatus for a flat knitting machine. Extending in the traveling direction of the two units, and provided with at least two drive shafts that rotate around an axis,
The raising / lowering drive of the hook member of each unit is performed based on the rotation of the drive shaft assigned to each unit,
Each switching means is
A transmission mechanism for transmitting the rotation of the drive shaft different from the drive shaft assigned to the unit having the switching means;
A swing stopper that swings in response to the rotation transmitted by the transmission mechanism and is in a predetermined swing state, and can prevent the presser member from descending;
The end yarn processing apparatus for a flat knitting machine according to claim 1. The two drive shafts) are provided and assigned to the two units,
The transmission mechanism included in each switching means,
A driven gear that is supported so as to be able to move in the direction of travel and rotate around the axis with a drive shaft assigned to the unit comprising the switching means;
A drive shaft assigned to a unit different from the unit, supported so as to be movable in the traveling direction, driven by rotation around the axis, and meshed with a driven gear;
With
The swing stopper is provided coaxially with the driven gear.
The end yarn processing apparatus for a flat knitting machine according to claim 2.

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