JPS5933700B2 - Pile knitting method and device for double cylinder circular knitting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pile knitting method using a double cylinder circular knitting machine and an apparatus therefor.

The pile knitting device in a double cylinder knitting machine, especially a sock knitting machine, only moves the lower end hook of the pile jack forward and backward relative to the outer periphery of the cylinder, and the ready-made pile loop removed from the hook of the pile jack moves next. This is prevented by the hook of the pile jack, which moves forward to form a new pile loop, and the abnormal tension in the yarn can cause the pile loop to break or cause uneven stitches on the outer surface of pile knitting. This is what I used to do.

In order to eliminate the above-mentioned drawbacks, the present invention provides that after the hook of the pile jack is moved back to remove the pile loop after knitting the pile loop, and before forming the next new pile loop, the hook of the pile jack is attached to the pre-made pile looser. to the hook of the pile jack by raising it to a height level where it does not touch the pile, then advancing it around the circumference of the cylinder to form a new pile loop, and then lowering it to the level of the normal height of the pile formation. The object of the present invention is to provide a method for knitting pile loops without damage prevention, eliminating yarn breakage, and knitting uniform stitches, and an apparatus for implementing the method.

The configuration of the present invention will be explained in detail below with reference to the drawings.

In order to make it easier to understand, the pile knitting method according to the present invention will first be explained with reference to the operation diagrams shown in FIGS.
The upper edge of the lower cylinder 1 is indicated by L, the lower edge of the upper cylinder 20 is indicated by T, and the outer circumferences of the upper and lower cylinders are indicated by C. The needles 3, sliders 4, sinkers 12 and pile jacks 42 of each knitting element In FIG. 1a, the needle 3 is raised by the slider 4, the sinker 12 and the pile jack 42 are both advanced in the direction of the cylinder outer circumference C, and the ground yarn B is applied to these knitting elements. (thick solid line) and pile yarn P (dotted line) are fed from the direction of the arrow.

In figure b, the needle 3 is lowered by the slider 4, the ground thread B forms a ground thread loop BL with the needle 3 and the sinker 4, and the pile thread P forms a pile loop PL with the needle 3 and the pile jack 42. Configure.

In figure C, the needle 3 rises slightly, the sinker 12 retreats from the cylinder outer periphery C, and the ground thread loop BL reaches the sinker 4.
is maintained by

In figure d, the needle 3 and sinker 12 remain in the same state as in figure C, but the pile jack 42 is retracted from the cylinder outer periphery C, and the pile loop PL is removed from the pile jack 42.

The above pile loop knitting process is the same as before, but e
In the figure, the needle 3 and sinker 12 are in the same state as in Figure C, but the pile jack 42 rises upward from the lower edge T of the lower cylinder 1.

In figure f, the pile jack 42 moves forward in the direction of the cylinder outer periphery C while remaining elevated.

Thereafter, the needle 3 is cleared in a normal process, and together with the sinker 12, the needle 3 is in the state shown in FIG.

As is clear from the above, in the process of e=f''a in FIG. It is possible to perform stable pile knitting without damaging the panel loops PL.

Next, embodiments of the apparatus of the present invention will be described below.

In FIG. 2, a lower cylinder 1 that rotates around an axis O has a groove 2 on its outer periphery, and a needle 3 and a lower slider 4 are engaged in this groove 2 and are provided so as to be slidable up and down.

The lower slider 4 has bats 5 and 6.
6 is a lower cam box 7 fixed to the outer periphery of the lower cylinder 1
It is actuated by an inner cam 8°9 attached to the inner surface of the cam.

A sinker ring 10 is provided on the inner diameter of the lower cylinder 1, and the inner surface of the sinker ring 10 has an arc-shaped groove 11.
A sinker 12 is provided inside to be slidable along an arc.

The sinker 12 has a butt 13 and is actuated by sinker cams 15, 16 fixed to the sinker sleeve 14.

17 is a fixed pipe that supports the sinker sleeve, 18
1 is a cylinder sleeve, and 19 is a metal, and the above-mentioned structure is no different from the conventional rubber unit.

It is coaxial with the lower cylinder 1, the axis O is oiled, and the upper cylinder 20 is installed on the upper part of the lower cylinder 1 so as to rotate synchronously with the lower cylinder 1 (!), and the outer circumference of the upper cylinder 20 has a groove 21. An upper slider 22 is provided in the groove 21 so as to be vertically slidable.

This upper slider 22 is a rose l-2 like the lower slider 4.
3, 24, and is actuated by inner cams 26, 27 mounted on the inner surface of the fixed upper cam box 25.

The upper cam box 25 is fixed to the ring support 28 with screws 29.

The ring support 28 is fixed to a gear box 30 with screws 31, and the gear box 30 is fixed to a top table 32 supported by a machine stand (not shown).

An upper pedestal 33 is fixed to the top table 32, and a rotary plate 35 is rotatably supported on the upper part of the upper pedestal 33 via a ball bearing 34.

Attach the gear 37 to the rotary plate 35 with the screw 36.

The gear 37 is rotated by a gear transmitted from a drive source (not shown).

The upper cylinder 20 is fixed to the gear 37 with a screw 38.

Therefore, the upper cylinder 20 is rotated by the gear 37.

Inside the upper cylinder 20, a pile jack cylinder 40 that rotates in synchronization with the upper cylinder 20 is connected to a gear 37 with a screw 39.
The pile jack cylinder 40 has grooves 41 formed radially on the outer periphery aligned with the center line of the groove of the upper cylinder 20.
/2 grooves are formed radially opposite each other.

In the groove 41 of the pile jack cylinder 40, a pile jack 42 is installed that can vibrate in the centrifugal direction and slide freely in the vertical direction. do.

The pile jack 42 has a fulcrum 43 in the center, and the pile jack 42 vibrates in a centrifugal direction due to this fulcrum 42, and at the same time, the pile jack 42
4 is provided so as to be slidable vertically by a slider device to be described later.

Below the top butt 44 of the pile jack 40, steps and instep butts 45 and 46 are formed.

Further, the pile jack 40 has a hook 47 formed at the lower part thereof for forming a pile loop.

A shaft 48 is installed in the center of the pile jack cylinder 40.
A support ring 50 is attached to the lower part of the shaft 48 so that the support ring 50 can be attached by adjusting the vertical position with a nut 49.

A key 50 is fixed to the outer periphery of the support ring 50 with a screw 52, and the key 51 is fitted into a key groove 53 on the inner diameter of the pile jack cylinder 40.

Attach the guide ring 54 to the lower end of the support ring 50 with the screw 5.
5, and the outer periphery of the guide ring 54 has a groove 56 similar to the groove 41 of the pile jack cylinder 40, and the hook portion 47 of the pile jack 42 is guided in this groove 56.

On the other hand, a support 57 is attached to the upper surface of the upper pedestal 33 with screws 58, and a disk 60 is attached onto this support 57 with screws 59.

Fitting the jack cam box 61 into the inner diameter of the disc 60,
After adjusting the height with the height adjustment screw 62, set screw 63
Fix it with.

A cam 6465 for guiding the top butt 44 of the pile jack 42 is installed inside the jack cam box 61.

In the sectional view of FIG. 2, what is shown on the upper right side is a slider device 66 that slides the pile jack 42 up and down.This will be explained with reference to FIGS. 3 to 5. Cam 6 guiding the top butt 44
Cams 67 and 68 are attached to the slider 69, which have the same function as 4.65 and also allow sliding up and down.

The slider 69 is fitted into a groove 70 provided in the jack cam box 61 so as to be vertically slidable.

The slider 69 has a protrusion 70, and a screw 71 provided on this protrusion 70 and a screw 7 provided on the jack cam box 61.
2 and a spring 73 is applied.

Therefore, the slider 69 is always urged downward.

A stopper screw 74 is attached to the protrusion 70 of the slider 69 so as to be adjustable up and down with a nut 75, and the tip of the screw 74 is an actual image on the upper surface of the jack cam box 61.

An arm 76 is attached to the other surface of the slider 69 so as to be swingable around a screw 77.

The lower end of the arm 76 connects the roller 78 with the screw 79 and nut 8.
Attach it so that it can rotate freely at 0.

A screw 81 and a protrusion 7 of the slider 69 are attached to the upper part of the rm 76.
0, and the arm 76 is mounted around the screw 77 so that the roller 78 at the lower end is biased to the left in the drawing.

A lever 8 is mounted on the top surface of the slider 69 with the screw 83 as the center.
4, and the tip 85 is in contact with the arm 76.

The other end of the lever 84 fixes a release 87 with a screw 86 and is connected to a control drum (not shown) via a release post 88 provided on the jack cam box 61.

On the other hand, a cam 89 is fixed on the rotary plate 35 with a screw 90, and the tip of the cam 89 has an inclined surface 89 as shown in FIG.
a, making it easier for the roller 78 to act.

In addition, in FIG. 2, the prefixes 91 and 92 for operating the steps and instep butts 45 and 46 of the pile jack 42 are attached to the brackets 93 attached to the upper pedestal 33.
The preflexors 91 and 92 control the step butt 45 or instep butt 46 of the pile jack 42 to be activated or deactivated in response to commands from a control drum (not shown).

The operation of the apparatus of the present invention will be explained below.

The gist of the present invention for performing pile knitting has already been described above with reference to FIG. 1, but as shown in FIG.
It is operated by a slider device 66 shown in the figure.

That is, in a double-cylinder circular knitting machine, the socks are divided into parts such as the leg, heel, bottom, and toe parts that require pile knitting when knitting socks, and parts such as the opening elastic part and instep that do not require pile knitting.
To explain first about the parts that do not require pile knitting, such as the rubber part, the release 87 shown in FIG. 85 in the clockwise direction, and the arm 76 is kept at the position (double-dashed line) rotated counterclockwise about the screw 77 as shown in FIG.

In this state, the roller 78 at the lower end of the arm 76 is
The action of the cam 890 attached to the rotating plate 35 is not affected in any way.

When it comes to the parts that require pile knitting, such as the legs, heels, and bottom, the lever 84 moves the screw 83 up and down in the direction of arrow B by the release 87 shown in FIG. 3 or by the control drum not shown. - Rotate the tip 85 of the lever counterclockwise, and return the arm 76 to the position (solid line) where it has been rotated clockwise about the screw 77, as shown in FIG.

In this state, the roller 78 at the lower end of the arm 76 rises under the action of a cam 890 attached to the rotary plate 35.

As the roller 78 rises, the slider 69 and the slider 69
The cams 67 and 68 attached to the
．． Pile Jack 42 passing 68 is top bat 4
4 is under the action of these cams 67°68 in Fig. 1 e, f,
, and after passing cams 67 and 68, cam 64
This returns it to the lowered state shown in FIG. 1a.

With the above knitting operation, when knitting piles using a double-cylinder circular knitting machine, the new pile loops are knitted after raising the hooks of the pile jacks to a level where they do not come into contact with existing pile loops, which prevents yarn breakage and extremely This invention has the feature of creating uniform stitches with stable knitting operation.

[Brief explanation of drawings]

The drawings show the method of the present invention and its embodiments, FIG. 1 is a side view of the main part of the pile loop knitting process using the knitting element and the operating state of the knitting element, and FIG. 2 shows the upper and lower cylinders of the knitting machine implementing the present invention. 3 is a plan view of the slider device, FIG. 4 is a side view thereof, and FIG. 5 is a front view thereof. Explanation of symbols, 1...Lower cylinder, 2...
・Groove, 3...needle, 4...lower slider,
5, 6... Butt, 7... Lower cam box, 8, 9... Inner cam, 10...
Sinker ring, 11...Groove, 12...
Shinka, 13... Bat, 14... Sinka sleeve, 15.16... Unka cam, 17
......Pipe, 18...Cylinder sleeve, 19...Metal, 20...Upper cylinder, 21...Groove, 22... ... Upper slider, 23, 24... Bat, 25...
Upper cam box, 26, 27... Inner cam, 2
8...Ring support, 29...Screw, 30...Gear box, 31...
Screw, 32...Top table, 33...
・・Upper pedestal, 34・・・・Ball bearing,・
35... Rotating plate, 36... Screw, 37... Gear, 38, 39... Screw, 40... Pile jack cylinder, 41・
...groove, 42...--pile shirt, 43.
...Fulcrum, 44...Top butt, 4
5゜46...Butt, 47...Hook, 48...Shaft, 49...Nut, 50...Support ring, 51.・・・・・・
Key, 52...Screw, 53...Key groove, 54...Guide ring, 55...Screw, 56...Groove, 57・・・・・・Pole, 58
, 59... Screw, 60... Disc, 61
...Jack Cam Box, 62...
Adjustment screw, 63... Screw, 64, 65...
...Cam, 66...Slider device, 67.68
...Cam, 69...Slider, 70.
...Protrusion, 71.72 ...Screw, 73.
... Spring, 74 ... Stopper screw, 75 ... Nand, 76 ... Arm, 77 ... Screw, 78 ... ·roller,
79... Screw, 80... Nut, 81
...Screw, 82 ...Spring, 83
...Screw, 84...Lever, 85...
...Tip, 86...Screw, 87...
・Release, 88...Release post, 89.
...Cam, 90...Screw, 91,9
2...Prefusa, 93...Bracket.

Claims (1)

[Claims] 1. A hook provided at the lower end of the pile jack installed in the upper cylinder supports the cylinder so as to be movable over a predetermined distance in the centrifugal direction and the vertical direction, and after the hook knits the pile loop, It is characterized by performing an operation of moving backward to remove the loop and then raising it to a level where it does not contact the existing loop, and an operation of moving it forward to the outer periphery of the cylinder and then lowering it to the knitting level when knitting a new pile loop. A pile knitting method using a double cylinder circular knitting machine. 2 A hook provided at the lower end of the pile jack installed in the upper cylinder supports the cylinder so that it can move a predetermined distance in the centrifugal direction and the vertical direction, and a guide cam of the top butt formed at the top of the pile jack is attached. A pile knitting device for a double cylinder circular knitting machine, characterized in that a slider is moved by a predetermined distance in the vertical direction. 3 A hook provided at the lower end of the pile jack installed in the upper cylinder supports the cylinder so that it can move a predetermined distance in the centrifugal direction and the vertical direction, and the guide cam of the top butt formed at the upper end of the pile jack is attached to the slider. installed on,
The slider has an arm rotatable about a screw pivot on the other side, and a roller attached to the lower end of the arm.
A pile knitting device for a double cylinder circular knitting machine, characterized in that the cam is disposed opposite to a cam surface on a rotating plate, and the cam moves a pile jack up and down via an arm.