JPH0931811A - Apparatus for rolling down knit fabric of flat knitting machine and knitting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable repeated uses of a set up mechanism during knitting of one garment and knitting of various knit fabrics. SOLUTION: Knitting of the first knit fabric 17 is started by using a set up apparatus 16 as shown in figure (1). After the set up apparatus 16 is passed through a fixed roller 14 and a moving roller 15, the moving roller 15 is displaced as shown in figure (3) to hold the knit fabric 17. Then, the knit fabric 17 is released from the set up apparatus 1 as shown in the figure (4) and evacuated from moving locus of the set up apparatus 16 to enable re-use of the set up apparatus as shown in the figure (6).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat fabric knitting device for a flat knitting machine equipped with a set-up device, and more particularly, to a structure in which the set-up device can be repeatedly used during knitting of one garment and such a structure. It relates to a knitting method using.

[0002]

2. Description of the Related Art In a flat knitting machine, in order to reliably perform a knockover operation of a knitting needle, it is necessary to pull out a knitted fabric with an appropriate tension at all times. If the pull-down force is insufficient,
The knitted stitch may come off the knitting needle. Therefore, the set-up device and the unwinding device as disclosed in, for example, Japanese Patent Publication No. 41740/1989 are continuously used. In the initial stage of knitting, the knitted fabric knitted at the needle bed gap portion of the needle bed is pulled down to the lower side of the needle bed by a setting device having a setting needle. When the knitted fabric of appropriate length is pulled down, the knitted fabric is clamped by the rollers of the lowering device from both sides of the knitted fabric,
The knitted fabric is further pulled down continuously by rotating the roller. A prior art in which a knitted fabric is individually knitted one by one using a knitting device is disclosed in, for example, Japanese Patent Laid-Open No. 59-2.
It is disclosed in Japanese Patent No. 1762. In this prior art,
When a knitted fabric for one garment is knitted by using the knitting device, the knitted fabric is removed from the knitted fabric, and the knitted fabric for the next one garment is knitted again by raising the knitting device to the needle bed gap. I do.

FIG. 23 is a flat knitting machine equipped with a lowering device capable of continuously knitting a knitted fabric whose knitting width changes within the knitted fabric for one garment in (1) without being separated in garment units. The structure of No. 2 is shown, and one row of the knitted fabric knitted in (2) is shown. As shown in FIG. 23 (1), a fixed roller 4 and a moving roller 5 are provided below the needle bed gap 3 between the front needle bed 1 and the back needle bed 2 of the flat knitting machine. Before the start of knitting, first, it is necessary for the worker himself to carry out a work of bridging some knitted fabric between the needle bed and the roller. The fixed roller 4 and the movable roller 5 extend in the longitudinal direction of the front needle bed 1 and the rear needle bed 2, and the movable roller 5 is manually moved horizontally between two positions from the open state of the virtual line to the closed state of the solid line. Thus, the knitted fabric 7 can be held and wound while being pulled down by the set-up comb 6. An insertion hole is provided at the tip of the set-up comb 6 of the prior art, a wire is inserted through the insertion hole to pull down the knitted fabric, and the wire is pulled out to release the knitted fabric.

As shown in FIG. 23 (2), the knitted fabric 7 has a collar 8
And the like are repeatedly knitted by one garment, and the knitting width is maximum in the set-up portion 9, and the knitting width is reduced due to the reduction of stitches in the latter half of one garment. When the knitting for one garment is completed and the knitting part 9 for the next one garment is knitted, there is no preceding knitted fabric on both sides where the knitting width increases, so the knitting device 6 is used. It is necessary to apply an appropriate pulling down force to the knitted fabric 7. In order to effectively use the set-up comb 6, the moving roller 5 retracts to the fixed roller 4 side,
It is necessary to leave a space directly under the tooth space 3.

[0005]

[Problems to be Solved by the Invention] Japanese Patent Publication No. 1-41740
In the prior art of the publication, although the set-up device and the unwinding device can be continuously used after the knitting of the knitted fabric for one garment is started, once the knitted fabric is unwound by the unwinding device, The set-up device must stand by below the lowering device, and the set-up device cannot be used repeatedly. In the prior art of Japanese Patent Application Laid-Open No. 59-21762, since the knitted fabric is lowered only by using the knitting device, the length of the knitted fabric for one garment is limited by the distance that the knitting device can move up and down. Will be done. FIG.
In the prior art shown in FIG. 3, a set-up comb is used for the set-up portion of the knitted fabric for each garment, and a lowering device is also used.
Although it is possible to knit a plurality of garment fabrics as shown in (2) without separating them, it is not possible to automatically operate the set-up device and the lowering device in the same garment. Can not.

An object of the present invention is to provide a knitting fabric lowering device and a knitting method for a flat knitting machine, which can repeatedly use a setting device in the same garment to knit various knitted fabrics. .

[0007]

SUMMARY OF THE INVENTION The present invention comprises a pair of front and rear lowering rollers arranged below the front and rear needle beds of a flat knitting machine and extending in the longitudinal direction of the needle bed. In a knitting fabric lowering device for a flat knitting machine that holds and winds down, in the flat knitting machine, it is possible to move up and down between a needle bed gap and a position immediately below it.
A set-up device for pulling down the set-up portion of the knitted fabric is provided, and the pair of front and rear rollers are arranged so as to face the moving track of the set-up device, and one roller is a moving track of the set-up device. The other roller, which is arranged outside, is horizontally moved in the direction from the open position to the one open side, and the other open position on the other side facing the one roller at a distance with the moving path of the set-up device interposed therebetween. At the closed position where the knitted fabric is sandwiched between one of the rollers and can be unwound, and moved along the outer periphery of the one roller from the closed position and retracted below the one roller, A knitting fabric lowering device for a flat knitting machine, comprising moving means for driving the knitting device so as to mutually move between the retracted position and the retracted position.
According to the present invention, the flat knitting machine is provided with a set-up device that can be moved up and down between the needle bed gap and immediately below it and that pulls down the set-up portion of the knitted fabric. A pair of front and rear rollers are arranged so as to face the movement trajectory of the set-up device, and one roller can move to the open position, the closed position, and the retracted position with respect to each other. At the outer open position on the other side, where the other roller opposes one roller at a distance across the movement locus of the setting device, a knitted fabric knitted using a settling comb or the like between the rollers. It is possible to pull down the set-up part of. When the knitting of the knitted fabric progresses and a set-up comb or the like pulls down the knitted fabric and moves it below the rollers, the other roller moves horizontally to sandwich the knitted fabric with one roller and wind it down. A possible closed position is reached. While holding the knitted fabric between the rollers of the lowering device and lowering it, the other roller is moved to the retracted position below the one roller along the outer peripheral edge of the one roller, so that the position immediately below the needle bed gap is opened. Therefore, it is possible to carry out setting from the tooth gap again using a setting comb or the like.

Further, the present invention is characterized by further including a knitted fabric releasing device for releasing the knitted fabric pulled down by the set up device from the set up device. According to the present invention, since the knitted fabric releasing device for releasing the knitted fabric from the knitting device is provided, the knitting device and the unwinding device are continuously and alternately used to knit various knitted fabrics. You can

Further, the present invention relates to a flat knitting machine provided with a set-up device for pulling down the knitted fabric downward from the needle bed gap, and a knitting fabric lowering device for sandwiching and pulling down the lowered knitted fabric with a pair of rollers. A knitting method, wherein the rollers of the knitting fabric lowering device are opened so that the knitted fabric pulled down by the knitting device can pass between the rollers, and the knitting device is knitted using the knitting device. When the set-up device passes between the rollers, the knitted fabric is clamped by the rollers, the knitted fabric is released from the set-up device, and the roller is retracted from the movement locus of the set-up device while sandwiching and lowering the knitted fabric. The knitting method of the flat knitting machine is characterized by enabling the use of the setting device. According to the present invention, the knitted fabric is pulled down from the needle bed gap by the setting device, sandwiched between the rollers of the lowering device, and continuously lowered by the lowering device, while the other roller of the lowering device It is possible to move the setting device to the retracted position along the outer peripheral edge of the roller, and to make the setting device usable for the needle bed gap again. As a result, various knitted fabrics can be knitted in a knitted fabric in the same garment by using a plurality of knitting together.

Further, according to the present invention, the knitted fabric knitted by the knitting device is knitted by using the knitting device while winding the knitted fabric previously knitted between the rollers which are retracted from the movement locus of the setting device. It is characterized in that it is joined to the knitted fabric knitted in 1. and the knitted fabric knitted first and the knitted fabric knitted later are passed through between the rollers and removed from the flat knitting machine. According to the present invention, the knitted fabric previously knitted is unwound between the rollers in the state of being retracted from the movement locus of the setting device.
A new knitted fabric can be knitted and joined to the previously knitted fabric. By releasing a new knitted fabric from the set-up device,
By continuously rotating the rollers, it is possible to remove the knitted fabric that was knitted first and then the knitted fabric that is knitted later from the flat knitting machine.

Further, according to the present invention, a set-up step of lowering the knitted fabric from the needle bed gap by the set-up device while lowering the knitted fabric while the roller is retracted from the movement locus of the set-up device,
A releasing step of releasing the knitted fabric from the set-up device when the knitted fabric is pulled down to a position where it can be held by the rollers and a holding step of holding the released knitted fabric by the rollers and winding it down are repeated. And According to the present invention, a set-up step, a release step, and a sandwiching step are repeatedly performed to knit a variety of knitted fabrics involving a plurality of set-ups using the set-up device and the unwinding device. be able to.

The pinching step of the present invention is characterized in that the rollers are temporarily opened. According to the present invention, since the rollers of the lowering device are once opened in the clamping step, the set-up device and the lowering device can be repeatedly used in the same garment to freely knit various knitted fabrics. You can

Further, the pinching step of the present invention is characterized in that the roller is retracted from the movement locus of the set-up device, and the knitted fabric previously knitted is held in the pinched state. According to the present invention, since the unwinding device keeps the movement locus of the setting device while holding the knitted fabric at the retracted position, it is possible to reuse the setting device while continuing the lowering of the knitting fabric. it can. The knitted fabric released from the setting device is wound between the rollers. In the lowering device, it is possible to carry out the setting-up a plurality of times in the same garment while the knitted fabric is always pulled down.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 schematically shows the basic structure and knitting operation of a lowering device for a flat knitting machine 10 according to an embodiment of the present invention. 1 (1) to 1 (6) show a knitting method according to an embodiment of the present invention. The front needle bed 11 and the rear needle bed 12 extend in the longitudinal direction perpendicular to the plane of FIG. The front needle bed 11 and the rear needle bed 12 are
They are arranged in an inverted V shape with the tooth gap 13 as the apex. Mouth end 13
A winding device including a fixed roller 14 and a moving roller 15 for sandwiching and pulling down the knitted fabric and a set-up device 16 are provided below. The knitted fabric 17 is knitted by using the set-up device 16 in a state where the moving roller 15 is spaced from the fixed roller 14 of the unwinding device and the rollers are open. The setting device 16 is the fixed roller 1.
4 and the moving roller 15, the knitted fabric 17 is lowered from the setting device 16 to the fixed roller 14 in a state where the knitted fabric 17 is lowered below
And, it is possible to shift to a state of being sandwiched between the moving rollers 15.

FIG. 1 (1) shows a state in which the knitting of the first knitted fabric 17 is started using the set-up device 16. FIG.
(2) shows a state in which the set-up device 16 has passed between the fixed roller 14 and the moving roller 15. FIG. 1C shows a state in which the moving roller 15 horizontally moves and holds the knitted fabric 17 with the fixed roller 14. FIG. 1 (4) shows a state in which the knitted fabric 17 is released from the set-up device 16 and removed. As will be described later, the set-up device 16 is provided with a mechanism for releasing the knitted fabric by a slider mechanism.
FIG. 1 (5) shows a state in which the moving roller 15 is moving along the outer peripheral edge of the fixed roller 14 to a retracted position substantially below the fixed roller 14 while the knitted fabric 17 is being held. The moving roller 15 moves to the retracted position, and the needle bed gap 1
Since the portion immediately below 3 is empty, by raising the set-up device 16 to the needle bed gap 13 again, it is possible to set up a plurality of times within the same garment.

FIG. 2 shows another embodiment of the present invention.
A knitting method in which the set-up device 16 is repeatedly used following the steps (1) to (6) in FIG. 1 is shown. 2 (7) is shown in FIG.
After knitting the knitted fabric 17 in the steps (1) to (6), while the knitted fabric 17 is being wound by the fixed roller 14 and the moving roller 15, the new knitted fabric 18 is used by using the set-up device 16.
Shows the state of lowering. FIG. 2 (8) shows a state in which the set-up device 16 is removed from the new knitted fabric 18. In FIG. 2 (9), the new knitted fabric 18 released in FIG. 2 (8) is
The moving roller 15 is moved to the closed position along the outer circumference of the fixed roller 14, and the new knitted fabric 18 released in (8) of FIG.
The process of winding up is shown. The new knitted fabric 18 is finally joined to the previously knitted fabric 17 during the knitting process, passes through between the rollers, and is removed from the knitting machine.

In this embodiment, the new knitted fabric 1 is held while the knitted fabric 17 is held between the fixed roller 14 and the moving roller 15.
The tip of 8 is wound between the fixed roller 14 and the moving roller 15. As another embodiment, it is possible to move the moving roller 15 once to the open position and open the space between the rollers to more reliably wind up the new knitted fabric 18. When the knitted fabric length of the new knitted fabric 18 is shorter than the ascending / descending distance of the knitting device, the new knitted fabric 18 is lowered only by the knitting device, and when the knitted fabric is removed from the knitting machine after the knitting of the knitted fabric is completed. In addition, it is also possible to remove it from the knitting machine by being pulled by the knitted fabric 17 which has been knitted first and passing it between the rollers.

FIG. 3 shows an example of a knitted fabric that can be knitted according to the embodiment shown in FIGS. 1 and 2. FIG. 3 (1) shows a front view of a sweater in which a body 17 is knitted as a knitted fabric first, and then a short sleeve 18a is knitted as a new knitted fabric, and finally both knitted fabrics are integrated. Show. For knitting such a sweater, first, a knitting device is used to start knitting of the body 17, and after passing between the movable roller and the fixed roller in the open state, the moving roller is moved horizontally to move the body 17 The knitting with the fixed roller is performed, the stitches of the body 17 are released from the setting device, and knitting is performed up to the side part. The knitted fabric knitted during this time is pulled down by the rollers. next,
As the new knitted fabric 18, knitting of the short sleeves 18a is started. At the knitting start point of the short sleeve 18a, the set-up device with the body 17 released is used again. While knitting the short sleeves 18a, the knitted fabric of the body 17 is maintained in a rest state. Short sleeve 1
After the knitting of 8a has been performed up to the side knitting portion, knitting is performed with the body 17 and the short sleeves 18a joined together. A specific joining method for each knitted fabric after the side portion is disclosed in, for example, Japanese Patent Publication No. 4-15301.

Further, instead of the above-mentioned knitting, for example,
It is also possible to start knitting of the short sleeve 18a while knitting the body 17 to the side part and knit the body 17 and the short sleeve 18a at the same time. The method of using the set-up device in this case is the same as in the case of the above-described knitting.

FIG. 3 (2) shows an example of a knitted fabric in which a pocket is integrally knitted on the chest of the body 17. This knitted fabric is
After knitting the body 17 as the knitted fabric to the opening of the pocket mouth first, and then knitting the pocket bag part 18b of the pocket as the new knitted fabric 18, the pocket bag part 18b and the body 17 are joined. Is done. After that, the remaining body 1
The knitting of No. 7 is performed, and the knitting of the knitted fabric is completed. Also in this case, the set-up device is used twice as in the above example.

In the case of knitting a knitted fabric in which the above-mentioned FIG. 3 (1) and FIG. 3 (2) are combined, the body knitting,
A knitting device may be used for each of the pocket knitting and the short sleeve knitting each time, and various knitting fabrics including branches can be obtained by performing the knitting a plurality of times during the same garment knitting.

FIG. 4 shows a schematic internal structure of the flat knitting machine 10 according to the embodiment shown in FIG. A pair of auxiliary rollers 21 and 22 are provided immediately below the needle bed gap 13 of the knitting mechanism 20 including the front needle bed 11 and the rear needle bed 12, and assist the drawing of the knitted fabric pulled down from the needle bed gap 13 by the knitting device 16. To do. The gap between the pair of auxiliary rollers 21 and 22 can be contacted and separated by the opening / closing mechanism 23. The fixed roller 14 and the moving roller 15 that constitute the knitting fabric lowering device are rotatably attached to the fixed arm 24 and the moving arm 25, respectively, and are driven as described later. In the flat knitting machine 10 according to the present embodiment, another set-up device 26 is provided between the needle bed gap 13 and the vertically lower part thereof in addition to the set-up device 16 that can be moved up and down, and the moving roller 15 is the fixed roller 14. The fixed roller 14 and the movable roller 15 are spaced apart from each other.
The knitted fabric can be pulled out from the needle bed gap 13 through the gap. The set-up devices 16 and 26 are moved up and down along the belt 27. The belt 27 includes upper and lower pulleys 28, 2
It is bridged between 9 and driven by a motor 30. Note that the position of the motor 30 below the front needle bed 11 is different from the subsequent figures for convenience of explanation. The set-up devices 16 and 26 moved by the belt 27 are guided by the guide 31. When the set-up devices 16 and 26 descend to the bottom,
The rotary encoder 33 detects the ascending / descending position that is detected by the origin sensor 32 and that position is used as a reference. Each set-up device 16, 26 is controlled independently. Each of the set-up devices 16 and 26 is provided with a slider, which will be described later, as a mechanism for releasing from the knitted fabric 17, and the slider is relatively moved by the opening / closing mechanism of the knitted fabric 1.
The set-up portion 7 is made releasable.

FIGS. 5 to 16 show the structure of the unwinding device provided in the flat knitting machine 10 of FIG. 1 and its operating state. Figure 5
8 shows a state in which the moving roller 15 is in the open position, and FIGS. 9 to 12 show a state in which the moving roller 15 contacts the fixed roller 14 and is in a holding position where the knitted fabric can be unwound, FIGS. 13 to 16 Shows a state in which the moving roller 15 is wound below the fixed roller 14 and is in a retracted position retracted from the movement loci of the set-up devices 16 and 26 while holding the knitted fabric. 5, 9 and 13 are side views of one side, FIGS. 6 and 10 are partial plan views of one side, FIG. 14 are partial front views of one side, and FIGS. 7, 11 and 15 is a side view of the other side, FIGS. 8 and 12 are partial plan views of the other side, and FIG. 16 is a partial front view of the other side. The fixed roller 14 and the moving roller 15 are rotationally driven by the fixed gear 34 and the moving gear 35, which are always in mesh with each other. A driving force is transmitted to the fixed gear 34 from a coaxial pulley 34a. In order to allow the moving roller 15 to be displaced substantially horizontally between the open position and the holding position, an Oldham coupling 36 is provided between the moving gear 35 and the moving roller 15.
Is interposed. The moving roller 15 is supported by roller opening / closing levers 37 at both ends in the axial direction. The roller opening / closing lever 37 is generally in the shape of a “<” and has the moving roller 15 pivotally supported at one of its ends. The central portion of the roller opening / closing lever 37 is pivotally supported by the opening / closing lever support shaft 39 at the tip of the roller opening / closing arm 38. The roller opening / closing arm 38 is substantially linear, and its base end is pivotally supported by an arm support shaft 40. A base end portion of a roller retracting arm 42 having a roller retracting lever 41 that pivotally supports the moving gear 35 at its tip is pivotally supported on the arm supporting shaft 40. The roller withdrawal arm 42 is generally in the shape of "L", and the withdrawal lever support shaft 43 is provided upright in the center thereof. The claw member 44 is also generally in a V shape, and the center part thereof is pivotally supported by the claw support shaft 45 at substantially the center part of the roller opening / closing arm 38. A pawl is provided on one side of the pawl member 44, and the roller retracting arm 4
The pin 46 provided at the apex of No. 2 is pressed in the direction away from directly below the bed gap.

An opening / closing lever 48 is connected to the center of the roller opening / closing arm 38 via an opening / closing link 47. A retract lever 50 is connected via a retract link 49 near the tip of the side on the side where the roller opening / closing lever 37 does not support the moving roller 15. The opening / closing lever 48 and the retracting lever 50 are also generally in a V shape, and are pivotally supported by the lever support shaft 51 near the apex. The sides of the open / close lever 48 and the retract lever 50 that are not connected to the open / close link 47 and the retract link 49 have two open / close cams 52, 53.
And faces the retracting cam 54 side. Open / close cams 52 and 53
The retracting cam 54 and the retracting cam 54 are fixed to the cam shaft 55, and the opening / closing followers 56, 57 and the retracting follower 58 are provided at the tips of the opening / closing lever 48 and the retracting lever 50, respectively. The roller opening / closing lever 37 is driven. The tip of the opening / closing lever 48 is bifurcated, and the opening / closing followers 56 and 57 are respectively formed.
Is provided. A nut for adjusting the length is provided in the middle of the open / close link 47 and the retract link 49, and the link length can be adjusted so that the moving roller 15 can be smoothly moved. The roller opening / closing lever 37 has a spring 59.
The pull-out lever 5 is pulled right below the needle bed gap 13 by this, and is linked by the pull-out link 49 by this.
The retracting follower 58 at the tip of 0 is always pressed against the retracting cam 54. The pressing state of the pin 46 by the claw member 44 is held by the spring 60.

As shown in FIGS. 5 and 7, when the roller opening / closing arm 38 is pulled outward from the lower side 13a of the needle bed gap, the moving roller 15 is separated from the moving gear 35 and the opened state is realized. In the sandwiched state as shown in FIGS. 9 and 11, the roller opening / closing arm 38 moves the arm support shaft 40.
To the moving roller 15
When the axis of the moving gear 35 and the axis of the moving gear 35 are substantially aligned with each other, the knitted fabric can be clamped and lowered. FIG.
In the retracted state shown in FIG. 3 and FIG. 15, the roller opening / closing lever 37 and the roller opening / closing arm 38 are placed on the side 13a immediately below the needle bed gap.
Then, the moving roller 15 is retracted below the fixed roller 14. Since the fixed gear 34 and the moving gear 35 maintain the meshed state during the retreat, the moving roller 15
Moves along the outer peripheral edge of the fixed roller 14. The cam shaft 55 is rotationally driven by the motor 61 via gears 62 and 63.

17, 18 and 19 are set-up devices 16 and 2 of the flat knitting machine 10 according to the embodiment of the invention shown in FIG.
6 shows a configuration related to 6. FIG. 17 is a schematic front view,
FIG. 18 is a schematic right side view, and FIG. 19 is a schematic plan view. Set-up devices 16, 2 below the lowering device
6 can be displaced up and down by the motor 30 as described above. The opening / closing mechanism 65 of the set-up devices 16 and 26 performs the opening / closing operation according to the wire 68 driven by the motor of the cam mechanism 67. These mechanisms are used for the frame 6 of the flat knitting machine 10.
It is stored in 9. At the top of the frame 69, the cover 7
0 is opened and closed. The driving force from the motor 66 is transmitted to the pulley 34a for rotationally driving the fixed roller 14 shown in FIG. 5 and the like via the belt 66a.

FIG. 20 shows the construction of the set-up devices 16 and 26. As shown in FIG. 20 (1), a set-up needle main body 71 is provided at the tips of the set-up devices 16 and 26, and a slider 72 is provided.
Is formed relative to each other to form a storage portion 71a capable of storing the hook 72a at the tip of the slider 72. As shown in FIG. 20 (2), when the hook 72a of the slider 72 is hidden behind the slope of the storage portion 71a, the hook 72a
It is possible to release the knitted fabric that is hooked on.

21 and 22 show the operating states of the opening / closing mechanism 65 and the cam mechanism 67 corresponding to the opened / closed state of the set-up device, respectively. Set-up device 16, 2 shown in FIG.
No. 6 of the needle body 71 is released from the knitted fabric as shown in FIG. 20 (2), and FIG. 20 (1) is shown in FIG.
The state in which the knitted fabric is held by the hook 72a is detected by the angle sensor 73 as an angular displacement of the cam 74. The angular displacement of the cam 74 depends on the lever 75 on the cam mechanism 67 side.
Is transmitted to the wire 68 via the lever, and the groove cam plate 77 is slidably displaced in the knitting width direction on the opening / closing mechanism 65 side via the lever 76. A groove cam 78 is formed on the groove cam plate 77, and the displacement in the knitting width direction is converted into the vertical displacement by the elevating plate 80 via the follower 79. The elevating plate 80 displaces the slider 72 relative to the needle body 71 and causes the hook 72a to open and close.

Although in the embodiment of the invention shown in FIG. 1, another set-up device 26 is provided outside the set-up device 16, only one set-up device is provided and the moving roller 15 is provided.
In addition to the normal closed position, the setting device 16 can be repeatedly used as long as the setting device can be retracted from the movement trajectory of the setting device 16 to the retracted position. Although the set-up devices 16 and 26 can release the knitted fabric by the sliding displacement of the slider 72, the release device provided outside the set-up devices 16 and 26 can release the knitted fabric.

[0030]

As described above, according to the present invention, in the unwinding device, one roller is fixed and the other roller is spaced from the one roller, and the knitted fabric is located between the open position and the one roller. And a retracted position in which the other roller moves along the outer periphery of the one roller below the one roller while the knitted fabric is clamped. In the retracted position, the movement locus just below the mouth gap can be opened while the knitted fabric is held, so that a new knitted fabric can be knitted using the set-up device. Further, the winding device and the set-up device can be used to perform set-up a plurality of times within the same garment.

Further, according to the present invention, since the releasing device for releasing the setting device from the knitted fabric knitted by the setting device is provided, by using the lowering roller and the setting device,
It is possible to smoothly carry out the setting-up a plurality of times and transfer to the lowering device.

Further, according to the present invention, the setting device is once acted on the setting part of the knitted fabric to move the knitted fabric to the lowering device while lowering the knitted fabric, and the roller of the lowering device is retracted. The set-up device can again act on the needle bed gap in the state of being moved to the position. This allows the knitted fabric in the same garment to be easily set up a plurality of times.

Further, according to the present invention, the knitted fabric knitted by using the set-up device later can be removed from the flat knitting machine by using the unwinding device.

Further, according to the present invention, the set-up step by the set-up apparatus, the releasing step of releasing the knitted fabric from the unwinding apparatus that clamps and pulls down the already set-up knitted fabric, and the set-up knitted sheet Since the sandwiching step of sandwiching the ground between the rollers can be repeated, it is possible to utilize the set-up a plurality of times even within the same garment.

Further, according to the present invention, since the rollers are once opened at the sandwiching stage, the knitted fabric can be smoothly transferred from the set-up device to the pull-down device.

Further, according to the present invention, in the clamping step, the lowering device holds the knitted fabric at the retracted position and winds the knitted fabric from the set-up device to hold the knitted fabric, so that the tension on the knitted fabric does not change. A homogeneous knitted fabric can be obtained.

[Brief description of drawings]

FIG. 1 is a simplified side view showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is a simplified side view showing the configuration of another embodiment of the present invention.

FIG. 3 is a simplified front view and side sectional view of a knitted fabric that can be knitted according to the embodiment of FIG.

FIG. 4 is a simplified side sectional view showing the configuration of the flat knitting machine 10 according to the embodiment of FIG.

5 is a side view of one side of the unwinding device according to the embodiment of FIG. 1 in an open state. FIG.

FIG. 6 is a partial plan view of one side of the unwinding device of the embodiment of FIG. 1 in an open state.

FIG. 7 is a side view of the unwinding device of the embodiment of FIG. 1 on the other side in the open state.

FIG. 8 is a partial plan view of the other side of the unwinding device of the embodiment of FIG. 1 in an open state.

9 is a side view of one side of the unwinding device according to the embodiment of FIG. 1 in a closed state.

10 is a partial plan view of one side of the unwinding device according to the embodiment of FIG. 1 in a closed state.

FIG. 11 is a side view of the unwinding device of the embodiment of FIG. 1 on the other side in the closed state.

12 is a partial plan view of the other side of the unwinding device of the embodiment of FIG. 1 in a closed state.

13 is a side view of one side of the unwinding device of the embodiment of FIG. 1 in a retracted state.

14 is a partial front view of the unwinding device of the embodiment shown in FIG. 1 on one side in a retracted state.

FIG. 15 is a side view of the other side of the unwinding device of the embodiment shown in FIG. 1 in the retracted state.

16 is a partial front view of the unwinding device of the embodiment of FIG. 1 on the other side in the retracted state.

17 is a schematic front view of the flat knitting machine 10 according to the embodiment of FIG. 1. FIG.

18 is a schematic right side view of the flat knitting machine 10 of the embodiment in FIG. 1. FIG.

19 is a schematic plan view of the flat knitting machine 10 of the embodiment in FIG. 1. FIG.

FIG. 20 is a schematic diagram showing a set-up device 16 and 26 according to the embodiment of FIG.
FIG. 3 is a side sectional view showing a configuration for releasing the knitted fabric.

FIG. 21 is a partial front view showing an operating state of the cam mechanism 67 and the opening / closing mechanism 64 for pulling down the knitted fabric in the setting device of FIG. 20.

22 is a partial front view showing an operating state of the cam mechanism 67 and the opening / closing mechanism 64 for bringing the set-up device of FIG. 20 into a non-released state.

FIG. 23 is a simplified side view showing a configuration of a prior art and a simplified front view of a knitted fabric knitted by the prior art.

[Explanation of symbols]

 11 front needle bed 12 rear needle bed 13 tooth opening 14 fixed roller 15 moving roller 16, 26 set-up device 17 knitted fabric 18 new knitted fabric 20 knitting mechanism 24 fixed arm 25 moving arm 32 origin sensor 33 rotary encoder 34 fixed gear 35 moving gear 36 Oldham coupling 37 Roller opening / closing lever 38 Roller opening / closing arm 41 Roller retracting lever 42 Roller retracting arm 44 Claw member 47 Opening / closing link 48 Opening / closing lever 49 Evacuation link 50 Evacuation lever 52, 53 Opening / closing cam 54 Evacuation cam 56, 57 Opening / closing follower 58 Evacuation follower 59 Roller spring 60 Gear spring 67 Cam mechanism 68 Wire 71 Needle body 72 Slider 74 Cam 77 Groove cam plate 80 Elevating plate

Claims (7)

[Claims] 1. Arranged below the needle beds before and after the flat knitting machine,
A knitting fabric lowering device of a flat knitting machine, comprising a pair of front and rear lowering rollers extending in the longitudinal direction of the needle bed, and sandwiching and lowering the knitted fabric between the rollers, wherein the flat knitting machine includes a needle bed gap and a portion directly below it. Is movable up and down between the position of, and provided with a set-up device for pulling down the set-up portion of the knitted fabric, the pair of front and rear rollers are arranged so as to face the middle of the movement trajectory of the set-up device, One roller is arranged outside the movement locus of the set-up device, and the other roller is arranged at the outer open position on the other side facing the one roller with a gap between them on the other side of the movement locus of the set-up device. , A position that is horizontally moved from the open position to the one side direction, and moves along the outer circumference of one roller from the closed position where the knitted fabric can be clamped and wound down with one roller Then, it is retracted below one of the rollers, and the movement trajectory of the set-up device is That between a retracted position, knitted lowering device flat knitting machine characterized in that it comprises a moving means for driving so as to move relative to each other. 2. The knitted fabric lowering device of a flat knitting machine according to claim 1, further comprising a knitted fabric releasing device that releases the knitted fabric pulled down by the set up device from the set up device. 3. A knitting method for a flat knitting machine, comprising: a set-up device for pulling the knitted fabric downward from a needle bed gap; and a knitting fabric lowering device for holding the lowered knitted fabric by a pair of rollers and winding the knitted fabric. So, the rollers of the knitting fabric lowering device are opened so that the knitted fabric pulled down by the knitting device can pass between the rollers, and the knitting of the knitting fabric is started using the knitting device, When the set-up device passes between the rollers, the knitted fabric is clamped by the rollers, the knitted fabric is released from the set-up device, and the rollers are retracted from the movement locus of the set-up device while sandwiching and lowering the knitted fabric. A knitting method for a flat knitting machine, which enables use of a setting device. 4. The knitted fabric knitted using the knitting device is knitted first while winding the knitted fabric previously knitted between rollers which are retracted from the movement trajectory of the knitting device. The flat knitting machine according to claim 3, wherein the knitted fabric that is knitted first and knitted after being joined to the knitted fabric is removed from the flat knitting machine by passing between rollers. How to organize. 5. A setting step, in which the knitted fabric is pulled down from the needle bed gap by the settling device while the knitted fabric is unwound while the roller is retracted from the movement locus of the settling device, and nipping by the roller is possible. 4. The releasing step of releasing the knitted fabric from the set-up device when the knitted fabric is pulled down to the position, and the sandwiching step of sandwiching the released knitted fabric with rollers to wind it down are repeated. 4. A knitting method for a flat knitting machine according to any one of 4 above. 6. The knitting method for a flat knitting machine according to claim 5, wherein the pinching step is performed by once opening the rollers. 7. The flat knitting machine according to claim 5, wherein the pinching step is performed in a state in which the roller is retracted from the movement locus of the knitting device and the previously knitted fabric is still held. How to organize.