JPH0718784Y2 - Multicolor knitting yarn exchange device in knitting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a multicolor knitting yarn exchanging device in a knitting machine.

[Prior Art] Conventionally, a yarn supplying / exchanging device is fixedly provided on the left end portions of main and sub knitting machine main bodies which are arranged opposite to each other, and a retaining portion for retaining a knitting yarn for exchange on the yarn supplying / exchanging device. Depending on whether the knitting yarn is stopped or released according to, the knitting yarn is placed in a non-feeding state or a yarn feeding state. As a knitting machine, for example, Japanese Patent Publication Sho 58
-57532 publication and many applications are seen and known,
Since it has a simple structure, it is still used mainly in the field of hand knitting machines.

[Problems to be Solved by the Invention] In the above-mentioned conventional device, since the yarn supplying / exchanging device is provided only on one side (left end portion), pattern knitting by exchanging a plurality of knitting yarns is performed every two steps. It is a knitting for each reciprocation, in which the yarn feeding is changed, that is, when the carriage comes to one side, so it is not possible to carry out this knitting for each stage, so there was a problem that the efficiency was very poor. is there.

Even with this knitting for every two steps, inputting a pattern signal is very troublesome, and for example, in the case of input by a punch card, it is necessary to punch a desired pattern on the card so that one pattern is formed by two steps. Not sure, but this input work was extremely troublesome and required skill.

Therefore, in some cases, after the knitting yarns are exchanged and knitted at the time of returning and turning back, a troublesome cam switching operation such as switching to a smooth stitch without pattern knitting and operating at the time of returning is sometimes performed.

Therefore, the present invention solves the above-mentioned problem by providing a yarn supplying / exchanging device on both the left and right sides of the main knitting machine main body, and further, a connection for integrally sliding the main and sub-carriage and a yarn supplying / exchanging device on the left and right The knitting yarn for replacement is configured to be smoothly guided.

"Means for Solving Problems" The present invention provides a rear arm and a front arm, which are provided with a yarn feeder exchange device on the left and right of the main knitting machine main body, and provided with a rear yarn feeder and a front yarn feeder in the central portion. Are provided on the front part of the main carriage and the rear part of the sub-carriage, respectively, and the left and right connecting members that can be opened and closed on the left and right parts of either the front arm or the rear arm are rotatable. It should be provided.

"Operation" The present invention changes the left and right yarn feeding by closing or opening the knitting yarn guide passage with the openable and closable left and right connecting members and connecting or disconnecting the main and auxiliary carriages for integral sliding. The function of guiding the replacement knitting yarn from the device and the function of connecting the carriages are surely and smoothly performed.

Embodiment An embodiment embodying the present invention will be described below with reference to the accompanying drawings.

1 is a main knitting machine main body, 2 is a front lower side of the main knitting machine main body 1 and is connected by a connecting tool 3 at an angle of about 90 °, and the main and sub knitting needles 4 and 5 are in front of the sinker needles 6 and 7, respectively. It is a sub-knitting machine main body that is arranged to face each other in a crossing relationship.

On the lower surface of the main carriage 9, which is slidably mounted on the upper surface of the main needle bed 8 of the main knitting machine body 1, various knitting cams for performing various known knitting and an electromagnetic needle selecting device for pattern knitting are provided. Are arranged symmetrically.

Further, on the lower surface of the sub-carriage 11 mounted on the upper surface of the sub-needle bed 10 of the sub-knitting machine main body 2 so as to be slidable from side to side, patterns from various knitting cams and punch cards 12 for similarly known knitting The needle selection devices that select signals based on the signals are arranged symmetrically.

Reference numeral 13 denotes a left yarn feeder / exchanger supported on the side plate of the main needle bed 8 to provide five yarn feeders 14 to 14 by a known operating mechanism (not shown).
18 is pushable and slidable.

Each of the yarn feeders 14 to
Identification marks A to E corresponding to 18 and long holes 20 are separately provided in the longitudinal direction of the marks, and provided on the upper surfaces of the yarn feeders 14 to 18 so as to slide in the long holes 20. Indicating pin 21
, And the indicator lines 22 to 24 provided on the upper cover 19 and the markers a to c respectively corresponding thereto, the yarn feeders 14 to 18 are in the non-acting position (indicator line 22, marker a) or the standby position ( Indicator line 23,
The relationship is set so that it can be identified whether it is at the marker b) or at the yarn feeding position (indicator line 24, marker c).

Reference numeral 25 is a transparent display plate provided on the upper surface of the upper cover 19 so that the respective indicator pins 21 can be seen through.

Reference numeral 26 is a known thread guide rod fixed to the left yarn feeder / exchanger 13.

27 and 28 are a rear arm and a front arm which are detachably provided at the front end portion 29 of the main carriage 9 and the front end portion 30 of the sub-carriage 11 so as to face each other by fasteners 31 and 32 at two locations, respectively. The front edge 27a of the rear arm 27 and the rear edge 2 of the front arm 28
Between 8a and 8a, as shown in FIG.
When 11 (hereinafter collectively referred to as carriage C) are connected, a knitting yarn guide passage 33 through which the knitting yarns M1 to M5 described later are guided in either the left or right direction is formed.

Reference numerals 34 and 35 denote actuating pieces fixed to the upper portions of the rear arm 27 and the front arm 28 so as to be able to rise and fall freely, and in association with the sliding of the carriage C, the passive piece 36 of the left yarn feeding / exchanging device 13 and the right yarn feeding described later. Exchange device
The passive pieces 60 of 44 are engaged with each other to rotate the passive pieces 36, 60 in a predetermined direction.

As shown in FIG. 3, on the left and right parts of the rear arm 27, mounting shafts 37, 37 are respectively installed between the hanging parts 27b, 27b formed so as to face each other, and these mounting shafts 37, 37 are used as base ends. As a fulcrum, a left connecting member 38 and a right connecting member 39 each having a substantially U-shaped cross section are rotatably provided.

A fitting groove 28b formed by cutting out so that the tip portions of the left and right connecting members 38, 39 can be fitted to the rear edge 28a of the front arm 28 facing the left and right connecting members 38, 39. 28b is provided.

The left and right connecting members 38 and 39 are individually fitted with the fitting groove 28.
b, 28b to close the knitting yarn guide passage 33 (closed position of the right connecting member 39 in FIG. 3) or the fitting groove 28
It is set so that it can be opened and closed to an opening position (solid line position of the left connecting member 38 in FIG. 3) where the fitting with b and 28b is released and the passage 33 is opened.

Each of the rear arm 27 and the front arm 28 has a rear yarn feeder at the center thereof.
The front yarn feeder 40 and the front yarn feeder 41 are fixed to each other in such a manner that they extend toward the knitting yarn guide passage 33 so that their tips are opposite to each other.

After these, the front yarn feeders 40 and 41 are respectively
After projecting from the knitting yarn guide passage 33 by hanging down from the attachment portions 40a and 41a attached to the lower surfaces of 27 and 28, the arcuate portion 40b curved individually to the right and left directions (Fig. 3). , 41b, oblique portions 40c, 41c extending obliquely upward to the right and left of these arcuate portions 40b, 41b, and protruding substantially horizontally to the right and left from the oblique portions 40c, 41c. The projecting piece portions 40d and 41d, and the yarn feeders 4 are provided at the lower edges of the arcuate portions 40b and 41b, respectively.
When the carriage C is integrally slid as shown in FIG. 3 as shown in FIG. 3, the yarn feeders 42 and 43 are aligned with each other and are enclosed in one arc shape. Will be formed.

44 is above the right facing portion of the main and sub knitting machine main bodies 1 and 2 (Fig. 1)
In the right yarn feeder changing device which is supported in the position allowing the carriage C to slide in the opposite direction to the left yarn feeder changing device 13, the right yarn feeder changing device 44 has a substantially L-shaped lower surface (FIG. 2). One end of the character-shaped support arm 45 is fixedly attached, and the other end is detachably mounted on the upper surface of the front edge 8a of the main needle bed 8 via a mounting piece 46 with a knob 47.

The numbers 48 to 52 are slidably provided separately on the right yarn feeder / exchanger 44 5
The individual yarn feeders are provided with retaining portions 48a to 52a for retaining the knitting yarns M1 to M5 at the front ends (front side in FIG. 6) of the yarn supplying bodies 48 to 52, respectively.

Similar to the yarn feeders 14 to 18 of the left yarn feeder changing device 13, the yarn feeders 48 to 52 are displaced to a standby position and a non-acting position, which are a yarn feeding position and a non-yarn feeding position, by a known operating mechanism (not shown). It is provided as possible.

On the upper cover 53 of the right yarn feeder changing device 44, the identification marks F to J and the markers I to C corresponding to the respective yarn feeders 48 to 52 are displayed, and further, the yarn feeders 48 to 52 are displayed. Long holes 54 are separately provided in the longitudinal direction, and indicator pins 55 are provided on the upper surfaces of the yarn feeders 48 to 52 to slide in the long holes 54.

Reference numeral 56 is a display plate transparently attached to the upper surface of the upper cover 53 so that the above-mentioned indicator pins 55 can be seen through.On the indicator plate 56, indicator lines 57 to 59 are displayed corresponding to the markers I to C. Among them, among the yarn feeding positions of the yarn feeders 48 to 52, the standby position and the yarn feeding non-acting position, the yarn feeding position is indicated by the indicator line 59 and the indicator c, and the standby position is indicated by the indicator line 58 and the indicator b. , Indicator line at the position where yarn feeding does not work
57 and mark a correspond to each other.

60 is provided on the front side (FIG. 6) of the right yarn feeder / exchanger 44,
It is a passive piece that is engageable with a starting piece 35 installed on the forearm 28.

As shown in FIG.
To 52, the knitting yarn guiding member extending leftward from the base end in front of the retaining portions 48a to 52a, and the downward bending portion 61 with the tip bent downward.
a and an inclined portion 61b inclined so as to cross the knitting yarn guide passage 33,
A parallel portion 61c parallel to the passage 33 is continuously formed.

As shown in FIG. 1, reference numerals 62 and 63 denote tensioning devices that are erected side by side in the rear part of the main knitting machine main body 1. The yarn hooking portions 64 to 67 of the tensioning device 62 have four knitting yarns M1 to M4, respectively. Is inserted,
Also, one of the thread hooking portions 68 to 69 of the tension device 63
The 68th knitting yarn M5 is inserted.

70 is a control controller device that controls the needle selection by reading the pattern card 71 in which the knitting pattern information is recorded.
It is transmitted from 72 to the electromagnetic needle selection device (not shown) of the main carriage 9 via the distributor 73.

This embodiment is configured as described above, and the knitting yarns M1 to
A description will be given of the operation of sequentially changing the knitting yarn M1 of M5 and replacing the knitting yarn M1 with the yarn feeder Z.

As shown in the first, third, and sixth figures, the left connecting member 38 is in an upright state in which the knitting yarn guide passage 33 is opened, and the right connecting member 39 is in a flat lying state in which the knitting yarn guide passage 33 is closed. , Carriage C is connected in a slidable relationship.

In this connection, the knitting yarn M1 is inserted into the yarn feeder Z, and the knitting yarns M2 and M4 are located at the standby position (b) and the non-acting position (a), respectively. Restoration part 1
Make 7a hold each.

In addition, the knitting yarns M3 and M5 are engaged with the parallel portion 61c of the knitting yarn guiding member 61 from the upper side to the lower side, and the retaining portion 50a and the yarn supplying body of the yarn supplying body 50 located in the inactive position a. The holding unit 52a of 52 is made to hold.

Further, as shown in FIG. 6, the retaining portion 14a of the yarn supplying body 14 is located at the yarn supplying position C below the yarn guiding rod 26, and the other yarn supplying body 1
The retaining portions 16a, 18a, 48a, 51a of 6, 18, 48, 49, 51 are located in the inactive position (a).

Further, in this embodiment, an example of knitting a 5-color jacquard knitting with knitting yarns M1 to M5 is shown. Specifically, the pattern drawn on the pattern card 71 is a smooth stitch with a color arrangement on the main 1 side, and a sub carriage. Two
On the side, for example, 1-1 needle or 1-4 with punch card 12
Try to select the needle.

With the forward movement of the carriage C (direction of arrow 74 in FIG. 6),
The starting piece 34 engages with the passive piece 36 and the yarn feeding body is operated by the operating mechanism.
15 moves backward from the standby position b and moves its retaining portion 15a to the thread guide rod 2
While facing the lower part of 6, the knitting yarn M1 is guided by abutting on the yarn guide rod 26 and engages with the retaining portion 14a of the yarn feeder 14.

As the carriage C continues to move,
15 is locked at the yarn feeding position C, and the knitting yarn M
The yarn feeder 14 with which 1 is engaged returns to the standby position (b), and by this return, the knitting yarn M1 is drawn out from the yarn feeder Z and becomes in the non-yarn feeding state, while the yarn feeder 15 moves to the yarn feeding position (c). The knitting yarn M2 that has been engaged with the retaining portion 15a by the displacement is released from this engagement, and the tension device 63 that constantly applies tension to the knitting yarn.
By forcibly tensioning the knitting yarn by the action of, the knitting yarn guiding passage 33 opened to the left side is guided as shown by the solid line (75) in FIG. The yarn is introduced into the yarn feeder Z in a form of bypassing the yarn and the yarn is fed. (7th
(Fig.) After the carriage C has reached the required position, it reverses and moves back (in the direction of arrow 76 in Fig. 7), and the left yarn feeder changing device 13 as shown in Fig. 7 is shown.
The yarn feeder 16 is moved to the yarn feeding position C and the yarn feeder 17 is moved to the standby position B at the further rightward position, and in conjunction with this operation, the standby position B and the yarn feeding position are operated. The yarn feeders 14 and 15 which are respectively locked to the c are automatically displaced to the inactive position a by the operating mechanism.

At this stage, the backward movement is stopped, the left connecting member 38 is manually switched and displaced from the open position to the closed position, and the right connecting member 39 is switched from the closed position to the open position. The yarn feeders 49 and 50 in the non-acting position a are placed on the front side of the parallel portion 61c of the knitting yarn guiding member 61, respectively, and the retaining portions 49a
The switching operation is performed so that the yarn feeding position C and the standby position B are projected.

Then, when the carriage C is returned again, the required knitting is performed by the knitting yarn M2 which is automatically supplied and exchanged from the knitting yarn M1.

Next, in order to explain the yarn feeder exchange device from the knitting yarn M2 to the knitting yarn M3,
The return piece engages with the starting piece 35 and the passive piece 60, and the knitting yarn M3 is stopped by the actuating mechanism as in the case of the left yarn feeder changing device 13.
The yarn feeder 50 stopped at 50a advances from the standby position (b) to cause the holding portion 50a to project to the front side from the parallel portion 61c of the knitting yarn guiding member 61, and the knitting yarn M2 in the yarn feeder Z is After contacting the inclined portion 61b of the knitting yarn guiding member 61, the front edge of the parallel portion 61c is guided and hooked on the retaining portion 49a of the yarn feeder 49.

And as the carriage C continues to move back, the yarn feeder 50
Of the knitting yarn M2 is locked at the yarn feeding position C, and the yarn feeding body 49 engaged with the knitting yarn M2 returns to the standby position B, and by this return, the knitting yarn M2
While the yarn is pulled out from the yarn feeder Z and is in the non-feeding state, the knitting yarn M3 which has been engaged with the retaining portion 50a due to the displacement of the yarn supplying body 50 to the yarn supplying position C is always disengaged. By forcibly tensioning the knitting yarn by the action of the tension device 63 that applies tension to the yarn, the knitting yarn guide passage 33 opened on the right side is guided as shown by the alternate long and short dash line (77) in FIG. Then, the yarn is introduced into the yarn feeder Z in a form of circumventing the protruding piece portion 41d of the front yarn feeder 41 and enters the yarn feeding state. (Fig. 8) Carriage C is reversed after reaching the required position, and is moved forward again (in the direction of arrow 78 in Fig. 8) at a stage away from the right yarn feeder changing device 44 to the left as shown in Fig. 8. , The yarn supplying body 51 is moved to the yarn supplying position C, and the yarn supplying body 52 holding the knitting yarn M5 is switched to the standby position B, and by this operation, the standby position B and the yarn supplying position C are changed. The yarn feeders 49 and 50, which are respectively locked, are automatically displaced to the inoperative position B by the operating mechanism.

At this stage, the forward movement is stopped and the left connecting member 38 is manually switched from the closed position to the open position and the right connecting member 39 is manually switched from the open position to the closed position.

Then, while the required knitting is performed by the knitting yarn M3 in the yarn feeder Z during the forward movement of the carriage C, the knitting yarn M3 is positioned at the yarn feeding position c through the same process as the previous knitting yarn M1. Thread 16
The yarn feeder 17 at the standby position B
The knitting yarn M4, which has been held at No. 1, is introduced into the yarn feeder Z and the yarn feeding is automatically exchanged. Thereafter, the process of knitting yarns M1 to M3 and the same operation are performed in relation to the reciprocating movement of the carriage C. By
Since the yarn supply is exchanged sequentially for the knitting yarns M4 and M5 and again to M1, the description thereof will be omitted.

In the embodiment of the present invention, the left and right connecting members 38 and 39 are provided on the rear arm 27 side, respectively, but the present invention is not limited to this, and the front arm 28 side or the rear arm 27 and the front arm 28 is not limited thereto.
It may be provided in both of the above.

“Effect of device” As is apparent from the above description, according to the present invention,
A left yarn feeder and a right yarn feeder are installed on the left and right sides of the main knitting machine, respectively, so that the yarn feeders can be exchanged on the left and right sides. In comparison, since the yarn supply can be changed at each stage of the carriage's reciprocating motion, multicolor pattern knitting can be performed very efficiently.

Furthermore, in the present invention, the knitting yarn guide passage formed between the front arm and the rear arm can be opened or closed by closing or opening the left,
By providing each of the right connecting members, the guide action of the replacement knitting yarn through the knitting yarn guide passage and the integral sliding of the carriage can be performed by opening / closing only one of them in the traveling direction of the carriage. It is possible to always smoothly and reliably perform the connecting action for, and thus contribute to the correct exchange of the left and right yarn feeds.

[Brief description of drawings]

The drawings show an embodiment of the present invention, and FIGS. 1 and 2 are an overall perspective view and a side view showing a state of being attached to a knitting machine, and a third view.
Figure is a plan view showing the relationship between the front and rear arms, and Figure 4 is Figure 3.
AA line enlarged cross-sectional view, FIG. 5 is a front view showing the relationship between the front and rear yarn feeders, FIGS. 6 to 8 show the state of yarn supply replacement, and FIG. 6 shows knitting with knitting yarn M1. FIG. 7 is a plan view showing a process of moving backward, FIG. 7 is a plan view showing a process of returning to knitting after the yarn is exchanged with the knitting yarn M2, and FIG. 8 is a knitting yarn.
FIG. 11 is a plan view showing a process in which the yarn is exchanged in M3 and then moved forward again for knitting. 9 ... Main carriage, 11 ... Sub carriage, 27 ... Rear arm, 28 ... Front arm, 33 ... Yarn guide passage, 38 ... Left connecting member, 39 ... Right connecting member, 40 ... Rear Thread feeder, 41 ……
Front yarn feeder, 42, 43, Z ... Yarn feeder, 44 ... Right yarn feeder exchange device, 48-52 ...

 ─────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-53-70145 (JP, A) JP-A-47-20452 (JP, A)

Claims (1)

[Scope of utility model registration request] 1. A main / sub knitting machine main body which is opposed to a predetermined relationship.
Replacement of the main and sub carriages 9 and 11 mounted on the needle beds 8 and 10 of 1 and 2 so as to be slidable integrally with the arms 38 and 39, and the yarn feeder Z provided on the arms 38 and 39. Holding part 14a for holding knitting yarn M for sewing
-18a are formed, and the knitting yarn M is held or released by the holding portions 14a to 18a, and the knitting yarn M is not fed or fed. A knitting machine provided with yarn feeders 14 to 18 which are displaceable to the yarn position, and a yarn feeder changing device 13 provided with a plurality of these yarn feeders 14 to 18 fixed to the left end portion of the main knitting machine body 1. At the right end portion of the main knitting machine body 1, as in the case of the yarn supplying device 13, a yarn supplying device 44 having a plurality of yarn supplying bodies 48 to 52 is fixedly provided, and in front of the main carriage 9. And the rear part of the sub-carriage 11 face each other with the rear arm 27.
And the front arm 28 is detachably installed, and this front arm
Between the rear arm 27 and the rear arm 27, the left / right yarn feeder changing device 1
A knitting yarn guide passage 33 is formed so that the knitting yarn M held at 3,44 can be guided in either the left or right direction.
A front yarn feeder 41 and a rear yarn feeder 40 are provided at the central portions of the rear arms 28, 27, respectively, and the front yarn feeder 41 and the rear yarn feeder 40 are respectively formed on the lower side. 42,4
3) The main and sub-carriage 9 and 11 are provided so that they can be engaged with each other when they integrally slide, and the front arm 28
On either side of the rear arm 27 and the left and right portions thereof, the closed position for closing the knitting yarn guide passage 33 and connecting the main / sub carriages 9 and 11 so as to be slidable integrally with each other,
A left connecting member 38 and a right connecting member 39, which open and close the yarn guiding passage 33 and can be separately opened and closed at an open position for releasing the connection between both carriages 9 and 11, are rotatably provided. A multicolor knitting yarn exchanging device for a characteristic knitting machine.