JPH06158487A - Warp knitting machine with crochet needle - Google Patents

Abstract

PURPOSE: To improve the working speed of a warp knitting machine having crochet needles by preventing abrupt motion from being accompanied in the oscillation motion and arrangement motion to arrange knitting threads to the circumferences of crochet needles of the warp knitting machine. CONSTITUTION: The warp knitting machine having the crochet needle (1) is constituted in the following manner: Arrangement bars (7 and 8) are coupled to a stroke drive assembly; this stroke drive assembly imparts a supplementary motion to be substantially executed in the stroke direction of the crochet needle; this supplementary motion is superposed on the oscillation motion only for part of the time; hole needles (4 and 5) are guided to face a needle crochet (3) before the start of an incoming oscillation motion; the hole needles are thereafter guided respectively nearly to the same height positions at the time of a follow-up motion to the needle crochet (3); the holes of the hole needles (4 and 5) pass the needle crochet during the incoming oscillation motion at the time of an upward stroke motion and pass the needle crochet during the outgoing oscillation motion at the time of a downward stroke motion.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warp knitting machine with a crochet, which comprises at least one locating bar, the hole needle of the locating bar including a swinging movement and a locating movement and by means of a spindle. A warp knitting machine with a crochet for arranging a knitting yarn around the crochet during a given relative movement between the crochet and the hole.

[0002]

2. Description of the Prior Art The rocking and placing movements necessary for placing a thread around a crochet are carried out on most warp knitting machines by means of a hole needle, while the crochet is essentially a stroke movement, ie It only makes upward and downward stroke movements. In addition to this type of machine, the warp knitting machine performs only the offset movement which is likewise required for the thread placement, in which case this offset movement takes place at a certain constant height position. Machines are also known. In any case, the relative movement between the crochet needle and the hole needle is intended to make a rocking movement and a placement movement relative to each other so as to place the knitting thread around the crochet needle. In addition, it is also possible, in the case of such a machine, to arrange in a 90 ° rotated direction in which the crochet then carries out a reciprocating movement which runs substantially horizontally instead of an upward or downward stroke movement. Let me show you. The same applies in this case to the movement of the needle. Further, it is also possible to cause not only the crochet needle but also the hole needle to perform the swinging motion within the range of the above relative motion, and in this case, the relative motion is naturally the same.

This relative movement is conventionally moved relatively fast so that in the stroke movement the crochet quickly reaches the position where the placement is performed by the hole needle, followed by a relatively long time space, During this time, the crochet has been formed to be held in the reached position. This movement process is apparent, for example, from FIG. 17 of U.S. Pat. No. 2,775,108, in which the movement of the crochet is shown diagrammatically by a dotted line. Particularly during the transition from the retracted position to the advanced position, the crochet is significantly accelerated and decelerated, which causes a movement that is substantially abrupt. Such abrupt movements not only cause significant vibrations in the warp knitting machine, but also correspondingly limit the rotational speed of the machine spindle to which the crochet movement is imparted (mostly via a cam plate). The result is that (see FIG. 13).

[0004]

SUMMARY OF THE INVENTION The invention is based on the object of improving the working speed of a warp knitting machine of the type mentioned at the outset.

[0005]

This problem is solved according to the invention by the features of claim 1. Due to the supplementary movement imparted to the puncture needle, it is possible to allow time for the piercing and oscillating movements of the puncture needle for the upward and downward stroke movements of the crochet, substantially during the stroke movement of the crochet needle. During the follow-up movement of the hole needle, the relative movement between the crochet needle and the hole needle is performed in the directions of the incoming rocking, the handing over, and the outgoing rocking. Therefore, on the basis of this, the follow-up motion of the hole needle inserted in the upward and downward stroke motions of the crochet needle can moderate the speed increase and the speed decrease of the crochet needle, because the facing approach and By following, the substantial time space for the upward and downward strokes of the crochet is inserted into the time space required for the incoming, outgoing and outgoing swings respectively, ie for the upward and downward strokes of the spindle. This is because a larger angular range of rotation is available. Therefore, by using the hole needle that performs the supplementary movement according to the present invention, the working speed of the warp knitting machine can be remarkably increased as compared with the conventional warp knitting machine.

Making the hole needle of the warp knitting machine perform a supplementary movement is related to a warp knitting machine with a pointed needle, German Patent 176
No. 0932, in which the pointed needle stays in its deployed position after delivery, while the hole needle makes a downward vertical movement (complementary movement), which causes the thread placed on the needle hook to Reach the bottom of the needle key on the needle shaft. This supplementary movement of the hole needle is necessary because of this special shape of the pointed needle with the needle (groove) underneath, and since this must take place within a relatively short time, The supplementary movement of the hole needle relative to the movement of the work tool must be performed intermittently. In order to reduce the acceleration force generated in this case, German Patent No. 17609
In No. 32, a special cam shape is given for the movement of the work needle in the time space of the arrangement and capture position, in which case the hole needle eye crosses the trajectory of the work needle head during the delivery and the work movement of the work needle. Before the hole needle eye must be moved to the lower side of the working needle head track (capture position).
The peculiarities of the warp knitting machine equipped with a pointed needle are related to the problem given by the function of the pointed needle, and this problem is invariable to the structural shape of the warp knitting machine equipped with a crochet needle. It does not enable analogy.

The follow-up movement of the hole needle (during which the hole of the hole needle is moved at the same height as the needle hook) begins at the beginning of the last 1/3 of the upward stroke movement of the needle hook and It is preferable to extend to the vicinity of the end of the first 1/3 of the downward stroke movement. Thus, the substantial range of motion of the piercing needle is utilized during its oscillating motion to some extent during the upward and downward stroke motions of the needle hook, and thus the crochet and piercing needles that are carried out in the stroke direction are almost the same. A sinusoidal motion is obtained.

The stroke drive is preferably a stroke lever actuated by the main shaft via a connecting rod. This simple construction provides the necessary synchronism between the movement of the stroke drive and the spindle. In order to perform the supplementary movement, it is preferable to suspend the placement bar on a longitudinal guide defined by the direction of the supplementary movement. The longitudinal guides may be provided on a fixedly arranged placement bar axis such that, during the oscillating movement of the placement bar, the longitudinal guides only substantially rotate about the placement bar axis. .

It is also possible to combine the arrangement bar shaft with a stroke lever for transmitting the supplementary movement and to arrange the stroke lever on a fixedly mounted rocking shaft. The principle of superposition of supplementary movements according to the invention is preferred as it can also be used in so-called double needle bar machines, in which case two crochet bars are provided which are driven alternately by their respective crochet spindles. The bar then carries out upward and downward stroke movements, respectively. In such machines, the stroke drive for the positioning bar is operated at a frequency twice the number of revolutions of the crochet spindle, since a complete complementary movement must be performed for each row of stroke drives. , This makes it possible to use only the time space that is half that of the single needle bar type machine for each supplementary movement. During each other half of the time, a mirror image train is formed by each other crochet bar. In this case, the supplementary movement is guided by the hole needle facing the crochet needle of one of the crochet bars at the start of the on-and-off movement, and then the hole needle follows this crochet to the range of the oscillating movement, where it is output. During the rocking movement, it will be guided opposite the crochet of the other crochet bar.

In the double needle bar type warp knitting machine,
In known double-needle bar machines (without supplementary motion), a particularly rapid rise of the crochet motion trajectory is obtained due to the simultaneous rotation of the two upward and downward stroke motions within the spindle rotation, so that The flattening acts particularly in the direction of a marked increase in the working speed, but this sharp rise in the crochet trajectories is correspondingly flattened by the supplementary movement used according to the invention.

In the case of a double needle bar type warp knitting machine, it is preferable to provide an eccentric drive device on the connecting rod, and the eccentric drive device is arranged in the vicinity of and parallel to the crochet main shaft and is driven thereby. Less space occupancy by housing one crochet spindle with the placement bar spindle coupled to it in the first transmission case and locating the other crochet spindle with the eccentric drive in the second transmission case A structure can be obtained, whereby both transmission cases are connected to each other via a connecting transmission.

The above description applies not only to warp knitting machines with one placement bar, but also to warp knitting machines with multiple placement bars.

[0013]

Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows a diagram in which the ordinate gives the height position h of the working tool of the warp knitting machine, where the crochet carries out substantially vertical upward and downward stroke movements. The respective height position of the crochet 1 is represented by the dash-dotted line 2 and is shown with respect to the upper side of the crochet 3.
The abscissa is also given the respective rotation angle α of the main axis of the warp knitting machine, and the upper abscissa is shown over a rotation angle of 0 to 360 ° for a single needle bar machine and the lower side is also shown. The abscissa of the figure shows a rotation angle of 0 to 180 ° for both needle bar warp knitting machines. In both cases, in principle, the same process takes place within the range of the working tool, so the diagram according to Figure 1 is not only for a single needle bar type warp knitting machine (upper abscissa) but also for a double needle bar type machine. The movement course in the case of (lower abscissa) is also shown. As mentioned above, in the case of a double needle bar type machine, both crochet bars are moved alternately, in which case the crochet main shafts move their respective crochet bars and each move over a rotation angle of approximately 180 °. To be made. Therefore, the movement course of interest in this relation is different from the movement course in the case of a single needle bar type machine in the case of a double needle bar type machine, in the central region of half rotation (180 ° rotation angle α) of each crochet spindle. In the case of a one-needle bar machine, on the other hand, the central region of a complete 360 ° rotation angle α will be used.

In the diagram of FIG. 1 further, the needles 4 and 5 are illustrated by means of two locating bars, which perform the supplementary movements as well as the entry and exit pivoting movements. . Both puncture needles 4 and 5 in this case substantially follow the line 6 shown in dotted lines. In the case of the known warp knitting machines, the needles 4 and 5 always remain in the same height position h, which corresponds to the height position h1 during their entry and exit rocking movements. On the other hand, in the case of the warp knitting machine according to the invention shown here, the hole needles are provided with the above-mentioned supplementary movement, so that the hole needles 4 and 5 are almost at an angle of rotation α of the crochet spindle of approximately 45 ° / 90 °. It is placed at the height position h2. At this rotational angle, the crochet needle 1 finally reaches this height position h2 in the middle of its upward stroke (position A). At the height position h2, the crochet 1 reaches almost the last third of its upward stroke movement. Due to the rotation angle α (about 60 ° / 120 °), the hole needles 4 and 5 pass through the hook 3 of the crochet needle 1 during the entering / swinging movement thereof. As the movement progresses further, the hole needles 4 and 5 further move in and out, where the holes simultaneously follow the height position h of the crochet 1 (position B), respectively, and the crochet 1 finally moves to the position. At C, their highest position is reached, where the needles 4 and 5 have completely swung for delivery. From the rotation angle α (90 ° / 180 °), the hole needles 4 and 5
The reversal of the oscillating movement of the needles into the direction is started (at the same time, the necessary offset movement of the needles 4 and 5 in the direction perpendicular to the drawing is taking place). In the course of the swinging movement, the hole needles 4 and 5 then follow the height position h of the crochet needle 1 (position D), and the hole needles 4 and 5 also follow the downward stroke movement of the crochet needle 1, and finally Hole needles 4 and 5 are at the height position h2
And the output swing motion is substantially completed (position E), and then a slight downward motion is performed within the range of the supplementary motion.

The crochet 1 also moves along a motion trajectory (dashed-dotted line), and each of these motion trajectories has a gentle slope and does not exhibit abrupt motion. This is because during the course of the rocking motion of the hole needles 4 and 5, the hole needles 4 and 5 are
And then follow the crochet 1 (following movement), whereby the time space for the upward and downward stroke movements of the crochet 1 can be extended accordingly than with known warp knitting machines.

The above description also applies to a large number of hole needle bars, because even if there are an extremely large number of hole needle bars, the follow-up movements for the respective crochet needles will be performed in the same way. FIG. 2 shows diagrammatically a drive of a single-needle bar machine with two disposition bars 7 and 8 and one needle bar 9. The disposition bars 7 and 8 and the needle bar 9 are driven by the main shaft 10 and by the respective eccentrics 11, but of course any known crank drive may be used instead. When the main shaft 10 rotates, the connecting rods 12, 13 and 14, respectively, are reciprocated in a radial direction with respect to the main shaft 10 in a known manner,
These movements are now transmitted to the placement bars 7 and 8 and the needle bar 9 via a lever mechanism which will be described later in more detail. In these drive types of bars, known methods such as those disclosed in US Pat. No. 3,008,314 are used. In this patent, a cam plate is provided instead of the eccentric, but this is in principle no different from this drive. Instead of an eccentric or a cam plate, a so-called link transmission may be used, which consists of a lever system arranged in a specific way, which often differs from a simple sinusoidal waveform by means of this lever system. The required movement of the bar in question is formed. The arrangement of the individual structural parts of the warp knitting machine held by the machine frame is likewise shown in U.S. Pat. No. 3,083,314, the non-critical components in this connection being cited from this patent.

The upward and downward stroke movements of the crochet bar 9 are carried out by transmitting the movements of the connecting rod 12 to the arm 15 arranged on the fixed shaft 16.
As a result, the crochet bar 9 is given a predetermined reciprocating motion. Arrangement bar hangers 17 are provided for performing the oscillating movements of both arranging bars 7 and 8 (in and out oscillating movements for delivery), which arranging bar hangers 17 are guided by ball bushings 18 and 19 and by them. It is arranged on the arrangement bar shaft 22 which is fixedly provided through the pins 20 and 21. A bush 23 is supported on the placement bar shaft 22, and the pins 20 and 21 are firmly connected to the bush 23. The bush 23 is non-rotatably coupled to the rocking lever 24, so that the rocking bar hanger 17 is reciprocally rocked around the rocking bar shaft 22 when the rocking lever 24 rocks around the rocking bar shaft 22. At this time, the placement bars 7 and 8 perform their in-and-out swing motions. The oscillating movement of the oscillating lever 24 is the connecting rod 1
4 to the rocking lever 24, the connecting rod 14 being pivotally connected to it at the end of the rocking lever 24.

The placement bars 7 and 8 are fixed in a known manner to a placement bar support 26, which via a guide bolt 27 provides the placement bars 7 and 8 with the possibility of offset movement. It is supported so as to be movable in the direction of the guide bolt. The mounting of the positioning bars 7 and 8 with the guide bolts 27 is shown in more detail in FIG. This figure shows the arrangement bar hanger 17, to which two guide supports 28 are fixed by bolts 29. Both guide supports 28 are provided with ball bushes at both ends thereof, and the ball bushes respectively support the guide bolts 27 so as to be movable in the axial direction. Based on this arrangement of the placement bar 7, the placement bar 7 is capable of reciprocating movement so as to make an offset movement in the direction of the double arrow shown. In this case, the accuracy of this offset movement is ensured by the arrangement of the guide bolt 27 in the ball bush 30. Therefore, (Fig. 2
The rocking movement transmitted to the locating bar hanger 17 (via the oscillating lever 24) is transmitted to the locating bar 7 via the two guide supports 28, the ball bush 30 and the guide bolt 27 according to the locating bar support 26. . A mechanism for the offset movement of the positioning bar 7 is shown here, since known components can be used, for example as described in US Pat. No. 3,008,314 (see in particular FIG. 2 of said patent). It has not been.

The arrangement bar hanger 17 is supported by the bush 23 via the ball bushes 18 and 19 and the pins 21 and 21 as described above. Pins 20 and 21 are attached to the ball bushing 1 to form a longitudinal guide.
Inserting in 8 and 19 locating bar hanger 1
7 gives the possibility of movement in the direction of the pins 20 and 21. Further, the arranged bar hanger 17 is suspended by a stroke lever 31 via a connecting plate 25, and one end of the stroke lever 31 is supported by a fixed shaft 32.
An extension portion 33 of the connecting rod 13 is pivotally connected to an end portion of the stroke lever 31 opposite to the shaft 32, and the extension portion 33 is firmly connected to the connecting rod 13 via a bending member 34. The bending member 34 is provided to avoid the shaft 16 of the arm 15. When the main shaft 10 is rotated, the connecting rod 13 and thus the extension 33 moves in a radial direction with respect to the main shaft 10, and therefore carries the stroke lever 31 through the rotary bearing 35. During the swinging movement of the stroke lever 31 performed in this way, the placement bar hanger 17 is moved up and down via the connecting plate 25, whereby the above-mentioned supplementary movement is carried out according to the placement bars 7 and 8. Given to 5. This supplementary movement is represented by the double arrow shown near the joint plate 25.

By means of a rocking lever 24 the positioning bars 7 and 8
The oscillating movement, the supplementary movement provided by the stroke lever 31 and the upward and downward stroke movements of the crochet bar 9 are provided by the main shaft 10 of the warp knitting machine, so that the overall movement is forcibly synchronized. Is done. In this case, the placement bar hanger 17 certainly carries out a complementary movement (in the axial direction of the pins 20 and 21) and a swiveling movement, which movements in each swiveling position of the swiveling lever 24 are carried out. Since it is possible, they can be overlapped without interfering with each other. Since the swing lever 24 swings only slightly, the connecting plate 25
Rotates only slightly from this stated position.
In order to make this movement possible, the connecting plate 25 is connected at its ends to the stroke lever 31 via a rotary bearing 36 and to the arranged bar hanger 17 via a rotary bearing 37, respectively.

Furthermore, both fixed shafts 22 and 32 are fixed to a cross beam 38 provided in the upper region of the machine, which cross beam 38 forms a part of the machine frame. The main shaft 10 is provided in a transmission case 39 which is also fixed to the machine frame by its eccentric 11. FIG. 4 shows a single-needle bar machine with two placement bars 7 and 8, which placement bar 7 and 8 differs from the arrangement shown in FIG. 2 with respect to the mechanism for driving both placement bars 7 and 8. . However, the crochet bar 9
The drive for is likewise designed, so that in this connection reference can be made to the description of FIG.

The placement bars 7 and 8 are suspended via the guide bolts 27 and the two guide supports 28 in the same manner as described with reference to FIG. Both guide supports 28 are here mounted on an arm 40 of an angle lever 41, to the other arm 42 of the angle lever 41 the connecting rod 14 is pivotally connected. Connecting rod 14
Reciprocating motion causes arm 42 to swing about placement bar axis 43, which transmits the swinging motion to arm 40, thus arm 40 imparts the desired swinging motion to placement bars 7 and 8.

A stroke lever 44 is provided for also providing a complementary movement to the positioning bars 7 and 8, which stroke lever 44 is rotatably supported on a fixed shaft 45. The shaft 45 is supported by the cross beam 38. When the connecting rod 13 and thus the extension 33 moves, the placement bar shaft 43
Is provided with a swinging movement about an axis 45, which has a component in the longitudinal direction of the arm 40, so that within this component both positioning bars 7 and 8 have the desired supplementary movement. I do. However, the axis 45 of the placement bar axis 43
On the basis of the swinging movement around the arm, the arm 40, which acts as a placement bar hanger, also carries out a lateral movement which moves in the direction of the swinging movement. Arranged bar shaft 43 that responds as an oscillating motion
This oscillating component of the swiveling motion of the locating bar 7 is introduced into the oscillating motion applied to the locating bars 7 and 8 in this case via the angle lever 41, which results in a synthetic motion.
And fully corresponds to the desired rocking movements of 8. For this purpose, connecting rods 13 and 1 different from the sinusoidal waveform are required.
In order to generate the movement of 4 in the desired way, the connecting rod 13
Reference numerals 14 and 14 are components of a cam roller, which scans a cam plate mounted on the main shaft 10. Since the cam plates can be formed in the respective cam shapes, at this time, the cam plates give the stroke lever 44 and the angle lever 41 a motion different from the sinusoidal waveform, and the motions are superposed to be a combined motion of the arm 40, The arm 40 performs not only swinging movements (in and out swinging movements) but also supplementary movements.

Instead of a cam plate, a so-called link transmission used in known warp knitting machines can also be used, with which a movement different from a sinusoidal waveform can be obtained via a lever mechanism. To be In the embodiment according to FIG. 5, a double needle bar type warp knitting machine is described, in which the (one needle bar 9
Two needle bars 46 and 47 are provided (unlike the embodiment according to FIG. 2 with only one). The drive for both needle bars 46 and 47 takes place via needle bar spindles 48 and 49 respectively, ie corresponding to the embodiment of FIG. 2, via arms 50 and 51 respectively. Crochets 52 and 53 are moved by both needle bars 46 and 47. A rocking lever 24 is provided for rocking movement, which rocks the locating bar hanger 17 in and out of both locating bars 7 and 8 in the same manner as described for the embodiment of FIG. Swing back and forth in the swing direction.

A lever mechanism similar to the embodiment of FIG. 2 is also provided for the supplementary movement of the positioning bars 7 and 8. However, in this case, the both-arm type lever 54 is used, and the both-arm type lever 54 is provided with a horizontal beam 38.
It is supported by a fixed shaft 55 provided in the. Lever 54
The joint plate 25 is hung on one arm of the joint plate 2.
5, the bar hanger 17 is arranged in the same manner as the embodiment according to FIG.
Is hung.

As already explained with reference to FIG. 1, in the case of the double needle bar machine according to FIG. 5, the placement bars 7 and 8 are provided with twice the frequency of the stroke movement of each individual needle bar 46 or 47. The supplemental exercises that they have are given. The hole needles 4 and 5 must perform their so-called supplementary movements with respect to the upward and downward stroke movements of the needle 52 of one needle bar 46 and then with respect to the upward and downward stroke movements of the needle 53 of the other needle bar 47. , Which gives two complementary movements for two full stroke movements of the crochetes 52 and 53. Since these two supplementary movements are performed in the time space for one complete rotation of the needle bar spindle 48 or 49, the above-mentioned difference in the movement frequency appears.

The drive for the rocking movement of the positioning bars 7 and 8 is the same as in the embodiment according to FIG.
And the connecting rod 14 and thus reference is made to the description thereof in FIG. However,
There is a substantial difference in the frequency of the rocking movements, which means that the frequency for these rocking movements is three times the frequency of the stroke movement of one needle bar 46 or 47. This is a phenomenon known in double needle bar warp knitting machines, as described, for example, in the second sentence on page 2 of German Patent No. 2134279 and shown diagrammatically in FIG. 2a.

The drive of the individual mechanisms of the warp knitting machine according to FIG. 5 is carried out as follows: As with each double needle bar warp knitting machine, the machines according to FIG. 5 are also arranged next to one another. Has two transmission cases 56 and 57,
Needle bar spindles 48 and 49 are provided in the transmission cases 56 and 57, respectively. The connecting rod 1 is arranged in the transmission case 57 side by side with the needle bar main shaft 48.
4 is provided with a drive shaft 58, and the drive shaft 58
Causes the connecting rod 14 to reciprocate through the eccentric 59 in the direction of the swing movement of the needle bars 7 and 8. The interrelationships that exist between the individual drives will be described in more detail below.

The space available next to the needle bar spindle 49 in the transmission case 56 symmetrically arranged in the transmission case 57 (corresponds to the extension 33 in FIG. 2).
Utilized by drive shaft 60 for connecting rod 75,
The reciprocating movement of the connecting rod 75 is transmitted to the arrangement bar hanger 17 so as to obtain a supplementary movement through the two-arm type lever 54 as described above. An eccentric 61 driven by the drive shaft 60 performs this work, which causes the connecting rod 75 to reciprocate in the same manner as in the embodiment of FIG.

Because of the peculiarity of the stroke movement of needle bars 46 and 47, as is known, each other needle bar must wait in its lower position when performing an upward and downward stroke, respectively. (Therefore there is a movement curve of the needle bars 46 and 47 which is significantly different from the sinusoidal waveform), arm 50
And 51 are driven by cam plates 62 and 63, which are cam rollers 64 and 6
5 in a known manner, and thus the push rod 66
And 67 correspondingly reciprocate. It is of course also possible to use known so-called link transmissions instead of such cam plates, the movements of which are likewise generated by the needle bar spindles 48 and 49.

The integral and thus synchronous drive of the needle bar spindles 48 and 49 and the drive shafts 58 and 60 is effected by gears 66-72, which are shown here in phantom in the drawing, and thus in this case in such warp knitting machines. Known drive methods are used. The integral drive of all these gears is provided by a central gear 66 (coupling drive) which drives gears 67 and 68 which are non-rotatably connected to both needle bar spindles 48 and 49. Both gears 67 and 68 then drive the gear 71 on the drive shaft 58 and the gear 72 on the drive shaft 60 via the intermediate gears 69 and 70 respectively, depending on the size of the gears shown here. The required reduction ratio can be obtained.

The embodiment according to FIG. 6 differs from the machine according to FIG. 5 in that the supplementary movement to be applied to the positioning bars 7 and 8 is carried out by means of a two-armed stroke lever 73, and therefore again in this case. The same principle is used as for the embodiment according to 4. Both arm type stroke levers 73 are supported by a shaft 74 fixedly provided in the central region thereof. When the stroke lever 73 is swung by the connecting rod 75, the end portion of the stroke lever 73 having the arrangement bar shaft 43 performs a stroke movement as a supplementary movement, and the stroke movement is further accompanied by the arrangement bar hanger. The motion component that causes 40 to rock to some extent is also superimposed. However, this oscillating movement is compensated by the movement of the connecting rod 14 as already explained in connection with the embodiment according to FIG. If particularly exact compensation is required, this can be done by the use of so-called known link transmissions, which are known in prior art warp knitting machines, on eccentrics on the drive shaft 58. It is inserted between 59 and the connecting rod 14.

As described above, the present invention is based on the supplementary motion imparted to the puncture needle, and based on the supplementary motion of the puncture needle, the puncture of the puncture needle in and out of the stroke motion of the crochet needle substantially during the stroke motion of the crochet needle. It is possible to set the time of movement, and during the follow-up movement of the hole needle, the relative movement between the crochet needle and the hole needle is carried out in the directions of the incoming rocking, the handing over and the outgoing rocking, and based on this The follow-up movement of the hole needle inserted into the upward and downward stroke movements of the crochet makes it possible to moderate the speed increase and the speed decrease of the crochet, and a larger angular range of rotation of the spindle for the upward and downward strokes. Will be available. Therefore, the use of the hole needle that performs the supplementary motion according to the present invention has an excellent effect that the working speed of the warp knitting machine can be remarkably increased as compared with the conventional warp knitting machine.

[Brief description of drawings]

1 is a diagram showing movements of a crochet needle and a hole needle and a complementary movement of the hole needle in a warp knitting machine provided with two placement bars.

FIG. 2 is a diagram of a drive for a single needle bar machine with two placement bars and a stroke drive with a longitudinal guide located on a fixedly placed placement bar axis.

FIG. 3 is a diagram showing a method of suspending a placement bar.

FIG. 4 is a diagram of a drive for a single needle bar machine with two disposition bars provided with a stroke drive formed by a lever device.

5 is a view of a double needle bar machine with two placement bars, the arrangement of which is provided with longitudinal guides corresponding to the arrangement according to FIG. 2;

6 is a diagram of a drive for a double needle bar machine with two placement bars, the lever arrangement corresponding to the lever arrangement according to FIG. 4; FIG.

[Explanation of symbols]

1,52,53 crochet, 3 needle crochet, 4,5 hole needle, 7,8 placement bar, 9,46,47 needle bar, 10,48,49 spindle, 13,33,75
Connecting rod, 18, 19, 20, 21 Vertical guide,
22,43 arrangement bar axis, 31,44,54,73
Stroke lever, 45,74 Swing shaft, 54,7
3 stroke drive device, 56, 57 transmission device case 58 arrangement bar main shaft, 61 eccentric drive device, 66
Connection transmission

Claims (9)

[Claims] 1. A warp knitting machine provided with a crochet (1), comprising at least one arranging bar (7, 8), wherein the hole needles (4, 5) of said arranging bar A crochet (1) that includes a positioning movement and is provided by a spindle (10)
The crochet (1), wherein the knitting yarn is arranged around the crochet (1) during relative movement between the needle and the hole needle (4,5).
In a warp knitting machine with a displacer bar (7,8) is connected to a stroke drive, which stroke drive is effected on a hole needle (4,5) substantially in the stroke direction of the crochet needle (1). A supplementary movement is given, and the supplemental movement is superposed on the swinging movement (in and out swinging movement for arrangement) for a part of the time, so that the hole needle (4, 4
5) is guided opposite the needle key (3), and during the following movement with the needle key (3), during the upward and downward stroke movements of the needle key (3) and the hole needles (4, 5). ) Are guided at substantially the same height in the reversal region of the oscillating motion, and as a result, the holes of the hole needles (4, 5) are moved during the upward stroke motion of the needle key (3). A warp knitting machine with a crochet through which the needle hook (3) is passed during an out-and-back movement in the meantime and also during a downward stroke movement. 2. The region of the follower movement of the hole of the hole needle (4, 5) starts at the beginning of the last 1/3 of the upward stroke motion of the needle key (3) and starts at the downward motion of the needle key (3). 2. The warp knitting machine according to claim 1, wherein the warp knitting machine reaches up to near the end of 1/3 of the above. 3. The stroke drive device includes a stroke lever (31, 44, 54, 73), the stroke lever being connected via a connecting rod (13, 33, 75) to the spindle (10).
3. The warp knitting machine according to claim 1, wherein the warp knitting machine is operated by 4. A longitudinal guide (18, 19, 20, 2) in which the positioning bar (7, 8) is defined by the direction of the supplementary movement.
The warp knitting machine according to any one of claims 1 to 3, which is suspended in 1). 5. A longitudinal guide (18, 19, 20, 2)
1) ensures that the longitudinal guides (18, 19, 20, 21) carry out substantially only rotational movements about the placement bar axis (22) during the rocking movements of the placement bars (7, 8). The warp knitting machine (FIGS. 2 and 5) according to claim 4, wherein the warp knitting machine is arranged on an arrangement bar shaft (22) fixedly provided on the machine. 6. An oscillating shaft (45, 74) provided with a disposition bar shaft (43) connected to a stroke lever (44, 73) for transmitting a supplementary movement, and the stroke lever (44, 73) being fixedly provided. ), The warp knitting machine according to claim 4 (Figs. 4 and 6). 7. Two crochet bars (46, 4) driven alternately by respective crochet spindles (48, 49).
7), the stroke drive (54, 54) for the placement bar (7, 8) in the crochet bar (46, 47)
73) is operated at a frequency twice the number of revolutions of the crochet spindle (48, 49), said two crochet bars (4
6,47): the supplementary movement is superimposed on the rocking movement for a part of the time, so that the hole needle (4,5) at the beginning of the entry rocking movement the crochet needle (52) of one crochet bar (46). The hole needle (4, 5) follows the crochet needle (52) until it reaches the area of the oscillating movement, where the crochet needle (53) is moved to the other crochet needle during the oscillating movement. 7. The warp knitting machine according to claim 1, further comprising the two crochet bars (46, 47) for guiding the bar (47) in opposition.
6). 8. A connecting rod (75) is an eccentric drive (61).
The eccentric drive (61) is attached to the crochet spindle (4
A warp knitting machine according to claim 7, characterized in that it is arranged in the vicinity of (9) parallel to it and is driven thereby. 9. A crochet spindle (48) is arranged in the first transmission case (57) with a locating bar spindle (58) connected to the crochet spindle (48) and a second transmission case (48). 56) another crochet spindle (49) with an eccentric drive (61) is arranged, both transmission cases (56, 57) being connected to each other via a coupling drive (66). 9. The warp knitting machine according to claim 8, wherein