JP2584548B2 - Jacquard guide bar of warp knitting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention comprises a support device and a thread guide mounted on the support device, the thread guide being operable by a pushing element which can be controlled according to design. during the even-numbered yarn guides form a first row, the odd-numbered yarn guide, jacquard guide bars of warp knitting machine so as to form a row that is located moves in the swing direction of the guide bar relative to the first row About.

[0002]

2. Description of the Related Art A jacquard guide bar of this type is disclosed, for example, in "Kettenbirth Praxis" No. 7 of No. 4/87.
It is known from the applicant's warp knitting machine RJSG4F-NE, described on pages 10-10. In this guide bar, both yarn guide rows are provided on both sides of a support device having a V-shaped cross section.
With this, a relatively fine needle pitch, for example, 28E
(28 gauge; that is, a pitch when 28 yarn guides are arranged per English inch), or a needle pitch of 1 mm or less. This is possible because
Due to the alternate arrangement of the yarn guides in two rows, the yarn guides moved by one needle pitch and the knitting yarns held by the yarn guides are moved adjacent to each other in a continuous swing operation passing through a needle path. Due to non-contact with the knitting yarn held by the

An object of the present invention is to expand the range of use of the jacquard guide bar of the above-described embodiment by a simple method.

[0004]

Means for Solving the Problems The above object is achieved by the present invention having the following constitution. That is, the supporting device is constituted by two longitudinal members each supporting one thread guide row, and these longitudinal members move relative to each other by at least one needle pitch in the longitudinal direction (row direction of the guide bars). (Position displacement, position adjustment) can be achieved, and the position can be integrally fixed. Here, 1 needle pitch and
Are adjacent even-numbered thread guides and odd-numbered thread guides
And the interval.

[0005]

[Function] Even-numbered thread guide and odd-numbered thread guide
By alternately moving one longitudinal side member relative to the other longitudinal side member by one odd needle pitch from the state in which Thus, both rows of thread guides can be aligned to double the needle spacing, ie, for example, 14E Jacquard guide bars instead of 28E.

[0006] This greatly increases the variety of designs. That is, it is possible to knit with a thicker thread than before.

In addition, it is possible to insert yarns of different colors, configurations or materials at the same time while controlling according to the design.

Further, the conversion from the one knitting form to the other knitting form is simple because it is sufficient to move one longitudinal member relative to the other longitudinal member.

The effect of the present invention is further improved during assembly (at the time of manufacture).
In the above, the final adjustment can be made by relative movement of the two long-side members as long as the two long-side members including the holding portion, the guide portion and the stopper of the jacquard thread guide are manufactured exactly in their own dimensions and pitch. Can be done by

The amount of movement (movement stroke) is usually sufficient at one needle pitch. Therefore, it is desirable to provide an end face stopper that limits the movement stroke to one needle pitch. In this case, the conversion of the knitting form from one knitting form to the other simply requires a position movement from one end face stop to the other end face stop in order to obtain the correct position of the thread guide.

Advantageously, both longitudinal members have guide surfaces which guide one another, by means of which surfaces the longitudinal members are guided relative to one another in movement. In this case, the position movement is not hindered by a vertical position shift.

Particularly advantageous as a guided mechanism is that one longitudinal member has a groove and the other longitudinal member has a projection which is inserted (slidably engaged) into the groove. That is. This results in a particularly simple structure. However, it is also possible to form a longitudinal member of the same configuration, such as a mirror image with one groove each, so that one projection is inserted (slidably engaged) in both grooves. Can also.

It is particularly advantageous that the longitudinal member has an adjusting device at at least one end, the adjusting device moving the one longitudinal member relative to the other longitudinal member in the longitudinal direction. It is configured to. This adjustment device is sufficient to make the movement in the longitudinal direction, and the adjustment of the operator becomes easy.

In one particularly preferred embodiment,
One connecting member is provided on each of both end surfaces of the longitudinal member, and the connecting member is rigidly connected to one of the longitudinal members and supports an adjusting screw that performs a screw motion on the side of the other longitudinal member. That is to do.
By means of the adjusting screws operating on both sides (screw movement), one longitudinal member is pressed in one direction or the other relative to the other longitudinal member. At this time, the other adjustment screw which does not contribute to the movement serves as a lock screw.

It is particularly advantageous that when one of the longitudinal members moves by one needle pitch, the connecting members are each formed as an end stop against the other longitudinal member. This results in very accurate positioning.

More advantageously, the adjusting screw can be actuated together with a pressing plate provided on the end face of the longitudinal member when the longitudinal member is moved.
In this case, the pressing plate serves to relieve the pressing force of the adjusting screw when the longitudinal member has to be made of a deformable material such as aluminum in some cases.

It would be very effective if both longitudinal members were held together by spring force in a direction perpendicular to the row direction of the guide bars. This type of mounting method reciprocates the entire guide bar in its axial direction, enables the guide bar to reciprocate around the swing axis of the support device, and furthermore, means for connecting in the lateral direction. Without the need to release, the relative movement of the longitudinal member in the longitudinal direction is made possible by the action of the adjusting device provided at the end. The spring may be a metal spring such as a disc spring, a spring made of another elastic material such as a rubber spring, or another similar spring.

Further, holding bolts which are passed through holes formed in the one longitudinal member with a gap in the longitudinal direction and are screwed into corresponding screw holes of the other longitudinal member are dispersed in the longitudinal direction. And a structure in which a disc spring is disposed between the bolt head of the holding bolt and the adjacent one of the longitudinal members in the one of the longitudinal members is effective. Has been demonstrated.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to one preferred embodiment shown in the drawings.

FIG. 1 is a perspective view showing a basic position of a jacquard guide bar according to the present invention, FIG. 2 is a perspective view showing a positional relationship between a knitting needle and a yarn guide in a basic position, and FIG. 3 is a second operating position. FIG. 4 is a perspective view showing a positional relationship of the knitting needle and the yarn guide in the basic position state in the second operating position, showing the positional state of the guide bar, and FIG.
5 is a sectional view of the support device of FIG. 1, FIG. 6 is a front view of the support device as viewed from the front, FIG. 7 is a plan view of the support device of FIG. 1, and FIG. 8 is a side view of the support device of FIG. .

The illustrated support device 1 comprises two longitudinal members 2 and 3. The longitudinal member 2 supports a row 4 of thread guides 5, and the longitudinal member 3 supports a row 6 of thread guides 7. These thread guides 5, 7 are
It is provided on a guide block 8 or 9 portion formed locally over the entire length of the support device 1. The lower end of the thread guide 7 is driven by a common jacquard control device via a harness cord (not shown; also referred to as a thread), and is driven by a pushing element 10 (simplified in the drawing) as shown in FIG. The groove 12 is moved from a position in contact with the right side wall of the groove 12 to a position in contact with the left side wall of the groove 12 (not shown), at which time it moves by one needle pitch.

FIG. 2 shows the yarn guides 5 and 7 in the rest position.
Is shown. These swing through the needle path 13 between the knitting needles 14. Each odd needle path is for a row 4 thread guide 5 and each even needle path is for a row 6 thread guide 7. According to the design, each thread guide 5 or 7 can be moved to an adjacent needle path by a movement operation of one needle pitch. Irrespective of this operation, the entire jacquard guide bar is, as in the case of the well-known ones, as a whole by a patterning device such as a patterning chain (pattern chain) and a patterning plate (pattern wheel). Operable in the axial direction.

As shown in FIG. 3, the relative movement of the longitudinal member 3 with respect to the longitudinal member 2 in the longitudinal direction causes the yarn guide 7 to be displaced by one needle pitch. It is arranged. That is, at each position, the yarn guides are doubled, and the needle pitch interval is doubled. In this state, it can be knitted with thicker or different yarns. In this case, knitting is performed using every second knitting needle 14.

A plate-like connecting member 15 is attached to one end surface of the longitudinal member 2 by bolts 16 and 17, and a plate-like connecting member 18 is attached to the other end surface of the longitudinal member 2. It is attached by bolts 19 and 20. As the adjusting device 21, the adjusting screw 22 is connected to the connecting member 15.
The adjusting screw 24 is screwed into the screw hole of the connecting member 18 as the adjusting device 23. The adjusting screw 22 acts on the pressing plate 25, and the adjusting screw 24 acts on the pressing plate 26. Both pressing plates are inserted into the recessed portions on both end surfaces of the longitudinal member 3 with a precise tolerance.

As shown in FIGS. 1, 3, 6 and 7, the opposing side portions of the connecting members 15 and 18 serve as end stoppers 27 and 28. The end surface of the longitudinal member 3 abuts on the stopper formed by the above. Therefore, in order to move from the basic position to another operating position, it is only necessary to reverse the adjusting screw 24 and move the longitudinal member 3 to the end face stopper 28 using the adjusting screw 22. The adjusting screw 24 can additionally lock in place. In this way, the relative movement by the pitch T is accurately performed. The movement in the reverse direction is performed in the same manner by the reverse operation.

The longitudinal member 3 has a groove 29, and the longitudinal member 2 has a longitudinal projection 30 mounted in the groove. The contact surface between the groove 29 and the projection 30 forms a guide surface 31 which prevents vertical movement during longitudinal movement. The longitudinal members 2 and 3 are integrally held by bolts 32. In each of the bolts 32, the bolt portions 33 penetrate the vertical wall surface of the longitudinal member 3 and are screwed into the screw holes 35 of the longitudinal member 2. A set of disc springs 37 is disposed between the bolt head 36 and the longitudinal member 3. The disc spring 37 preliminarily applies a sufficient tension to elastically hold the two longitudinal members 2 and 3 together so that their joint surfaces 38 and 39 do not rub. Then, by applying an appropriate longitudinal pressing force by using the adjusting screw 22 or 24, it is possible to move by overcoming this frictional force. However, in normal operation, the longitudinal members 2 and 3 are integrally and firmly fixed. In this manner, the relative movement between the longitudinal members 2 and 3 can be performed without performing the tightening and loosening operation of the bolt 32. Therefore, when changing the knitting form, there is no need to disassemble the jacquard guide bar, and it is not necessary to remove the thread guides covering the bolts and their operating elements.

By the way, instead of the disc spring, a ring made of another elastic material may be used, or a waved spring piece may be used to locally apply a load with a bolt head. Is also good.

[0028]

According to the jacquard guide bar of the present invention, by moving one longitudinal member relative to the other longitudinal member by one odd-numbered needle pitch, each of the two yarns in a stationary state is moved. Guides are located back and forth, double the needle spacing (e.g., 14E Jacquard guide bar instead of 28E)
In addition, both rows of thread guides can be aligned, which greatly increases the design versatility. That is, it is possible to knit with a thicker thread than before, and it is also possible to insert threads having different colors, configurations or materials at the same time while controlling according to the design.

The conversion from the one knitting mode to the other knitting mode can be easily performed because one longitudinal member may be moved with respect to the other longitudinal member.

Further, at the time of assembling (at the time of manufacture), if the two long-side members including the holding portion of the jacquard thread guide, the guide portion and the stopper are exactly manufactured with their own dimensions and pitch, the final product can be obtained. Since the adjustment can be performed by the relative movement of the two longitudinal members, the final adjustment can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a jacquard guide bar according to the present invention in a basic position state.

FIG. 2 is a perspective view showing a positional relationship between a knitting needle and a yarn guide in a basic position state.

FIG. 3 is the same perspective view as FIG. 1 showing a position state of a guide bar in a second operation position.

FIG. 4 is a perspective view showing a positional relationship between the knitting needle and the yarn guide in a basic position state in the second operation position.

FIG. 5 is a sectional view of the support device of FIG. 1;

FIG. 6 is a front view of the support device.

FIG. 7 is a plan view of the support device of FIG. 1;

FIG. 8 is a side view of the support device of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Support device 2, 3 ... Longitudinal side member 4, 6 ... Thread guide row 5, 7 ... Thread guide

Claims (8)

(57) [Claims] And 1. A support device, operable by a controllable pressing elements according to the design, and a plurality of yarn guides which are mounted on a support device, an even number of thread guides of the plurality of yarn guides At regular intervals
There are a first line formed, identical to the odd yarn guide said gap
In a jacquard guide bar of a warp knitting machine, which forms a row that is displaced in the swinging direction of the guide bar with respect to the first row at intervals , the support device (1) includes one thread guide row (4). , 6), the two longitudinal members (2, 3) being relatively movable and integrally fixed by at least one needle pitch in the row direction of the guide bars. A jacquard guide bar for a warp knitting machine. 2. An end face stopper (27, 28) for limiting the travel distance to one needle pitch (T).
The jacquard guide bar according to claim 1, wherein a jacquard guide bar is provided. 3. The longitudinal member (2, 3) has a guide surface (31) for guiding relative movement to one another during longitudinal movement. Item 3. A jacquard guide bar according to item 2. 4. One of the longitudinal members (3) has a longitudinal groove (29) and the other longitudinal member (2) has a projection (30) inserted into the groove. The jacquard guide bar according to claim 3, characterized in that: 5. The longitudinal member (2, 3), at least at one end, adjusts the longitudinal position of one longitudinal member (3) relative to the other longitudinal member (2). The jacquard guide bar according to one of claims 1 to 4, characterized in that it has an adjusting device (21, 23) for performing the adjustment. 6. A connecting member (15, 18) is provided on each of both side end surfaces of said longitudinal member (2, 3), and said connecting member is rigidly attached to one longitudinal member (2). 6. Jacquard guide bar according to claim 5, wherein the side faces of the connecting member bear adjusting screws (22, 24) which actuate the other longitudinal member (3). 7. When each of the connecting members (15, 18) moves by one needle pitch (T) in the longitudinal direction, each of the connecting members (15, 18) has an end face stopper (27,
28. The jacquard guide bar according to claim 6, wherein 28) is formed. 8. The adjusting screw (22, 24), together with the pressing plate (25, 26) disposed on the end face of the longitudinal member, functions during the longitudinal movement of the longitudinal member. A jacquard guide bar according to claim 6 or claim 7.