JPS5940468Y2 - Double plate knitting machine - Google Patents

Description

[Detailed description of the invention] This invention consists of a main needle bed in which a large number of main knitting needles are arranged in a row, a main carriage that slides on the main needle bed, and a large number of sub-knitting needles in a row in parallel in front of the main needle bed. The present invention relates to a drawing board type knitting machine equipped with a sub-needle bed and a sub-carriage that slides on the sub-needle bed.

Conventionally, when knitting is carried out with a yarn opening provided between the main carriage and the sub-carriage in this type of drawing board type knitting machine, in order to reliably feed yarn to the knitting needles, the yarn opening must be placed closest to the stem of the knitting needle. However, if you perform flechage knitting in this state, the knitting yarn will get caught between the stem of the knitting needle that has moved forward and rested, and the yarn opening, which will hinder knitting.In particular, the direction of movement of both carriages will have to be reversed. In this case, the yarn that crosses between the end of the knitted fabric and the thread opening is absorbed only by the spring force of the tension spring of the slack remover, so it forms an unnecessary large loop in the main part of the knitted fabric, causing the knitted fabric to Again, the loop suddenly got caught on the knitting needle, making it impossible to knit.

The present invention has been developed in response to such problems by providing a means for creating a gap between the stem and the thread opening for the smooth passage of knitting yarn by pushing down the stem of the knitting needle that has moved forward and is at rest. This is intended to make the advantage of having the thread opening close to the needle stem even more effective.

Specific examples thereof will be explained below based on the drawings.

1 is a main needle bed in which a large number of knitting needles (hereinafter referred to as main knitting needles NM) are arranged in a row, and 2 is arranged in parallel opposite to the main needle bed 1, in which a large number of knitting needles (hereinafter referred to as sub knitting needles NR) are arranged in a row. The front part of the main knitting needle NM, which is the sub needle bed 2, is supported by the needle bed front plate 3,
The rear part is supported by a needle bed rear plate 4, and is brought into elastic contact with a needle presser mat 5 and a needle spring 6, respectively.

Therefore, when the front part of the main knitting needle NM is pushed down, the front part is bent downward by its own elasticity.

Moreover, when the front part is lifted, it is lifted upward against the elasticity of the needle presser mat 5.

The sub-needle bed 2 is similarly constructed, and includes a front needle bed plate 7, a rear needle bed plate 8,
A needle presser mat 9 and a needle spring 10 are provided.

Reference numeral 11 denotes a main carriage that slides on the needle bed 1, and the various cams shown in FIG. 1 are arranged on the back surface of the main carriage.

That is, 12.12' is a raw silk cam with opening/closing cams 12a, 12a pivotally attached to the rear part, 13.13' is a tuck cam for tuck knitting, and 14.14' is an upper body stop that allows the main knitting needles NM to pass through at the most advanced position. Pull-up needle lowering cam for opening and closing passage J-J, 1
5.15' is a guide cam for pulling the knitting needles from the needle selection path to the upper body stop path J-J, and 16.16' is the knitting path Y.
- A braided cam that opens and closes X, 17 is a braided braided path Y-X
A swinging cam 18.18 moves back the knitting needles that have been moved back by the swinging cam 17 on the inner inclined surface;
An intermediate spacer wall that retreats the knitting needles passing through the flat knitting path XX on the outer inclined surface, 19° 19' is a swing cam pivotally connected to the intermediate spacer walls 18 and 18', and 20 is a center spacer wall that moves back the knitting needles passing through the flat knitting path XX. The valve cam 21.21 guides the knitting needles to the knitting cam 12.12, and 21.21 is a retraction cam.

Reference numeral 22 denotes an auxiliary carriage that slides on the auxiliary needle bed 2, and the various cams shown in FIG. 1 are arranged on the back surface of the auxiliary carriage.

That is, 23.23' is the upper knitting cam 12 of the main carriage 11.
．． 12', and an opening/closing cam 2 is installed at the rear.
This is a sub-line cam in which 3a and 23a are pivotally connected.

24 forms an upper body stop passage in the front part, and a secondary line cam 23 is provided in the middle.
．． A retreating portion 24a that retreats the knitting needles advanced by 23'
25. 25' is a secondary intermediate partition wall that guides the knitting needles retreated by the front partition wall 24 to the secondary line cams 23, 23';26.26' is a secondary tack cam; 27, 27
' is an auxiliary lowering cam, and 28 and 28' are sub-row upper needle lowering cams that open and close to retract the knitting needles in the upper body stop passage.

Next, the connecting plate 29 that connects the main carriage 11 and the sub-carriage 22 will be explained.

The connecting plate 29 is connected to both carriages 11 and 22 by tightening screws 30.
A rear yarn opening 31 for feeding the first knitting yarn and a front yarn opening 32 for feeding the second knitting yarn are fixed to the central part.

In the front part of the rear thread opening 31, there is a secondary needle upper valve plate 33 that extends from side to side.
will be established.

The secondary needle upper valve plate 33 connects the secondary needle N in a plane parallel to the secondary needle bed 2.
Slanted surface 3 that slopes from below to above from the normal sliding surface of R
3a and a holding portion 33b that holds the front part of the sub-line needle NR passing through the knitting path z-2 above the rear yarn opening 31.

34 is a needle folding lower member that engages with the front part of the main knitting needles NJ passing through the upper body stopping path J-J and pushes down the front part from the normal horizontal position. The problem of the invention is to create a gap between the knitting needle stem and the rear yarn opening 31 when the needle is in its most advanced position and is at rest.The cam is composed of one trapezoidal cam that slides into contact with the hook part of the main knitting needle NJ from above. It has an inclined surface 34a that is pressed down, and a holding surface 34b that maintains the pressed state.

Note that this needle folding lower member 34 may be directly fixed to the sub-carriage 22, and in this embodiment, the hook of the main knitting needle NJ is shown to be pushed down, but it is also possible to push it down near the back thread opening 31, and as described above. The same functions and effects as in the embodiment are obtained.

The operation of the configuration as described above will be explained below.

First, the knitting needles to be knitted on the main needle bed 1 are sorted into two positions, front and rear, and are designated as front main knitting needles NY and rear main knitting needles NX.

In addition, the knitting needle that is passed through the most advanced position in order to perform backknitting is assumed to be the upper body stop needle NJ.

The first knitting yarn 5 is placed at the back yarn opening 31, and the second knitting needle T is placed at the front yarn opening 32.
Insert.

The cams of both carriages 11 and 22 are arranged in the positions shown by solid lines in FIG.

In this state, both carriages 11 and 22 are slid in the direction of the arrow a (as shown in FIG. 2A).

When both carriages 11 and 22 move further, the secondary needles NR arranged in the secondary needle bed 2 are introduced into the knitting path Z-Z and reach a position where they come into contact with the inclined surface 33a of the secondary needle upper valve plate 33 ( (shown in Figure 2B).

If both carriages 11 and 22 advance further, the front main knitting needle N
Y is introduced into the knitting path Y-X, the trailing main knitting needle NX is introduced into the flat knitting path XX, and the knitting needles NY, NX.

The front part of the sub-line needle NR extends from the inclined surface 33a to the holding part 33b and is disposed above the rear thread opening 31. In other words, the rear thread opening 31 is connected to the sub-line needle NR and the main needle bed 1. It is placed between the rows of comb teeth (as shown in FIG. 2C).

Next, the first knitting yarn S is fed from the back yarn opening 31 to the rear main knitting needles NX, and the second knitting yarn T is fed from the front yarn opening 32 to the front main knitting needles NY.

In this case, the first knitting yarn S fed from the rear yarn opening 31 is fed below the sub-line needle NR, so there is no chance of it being fed to the sub-line needle NR by mistake (as shown in the second figure). ).

If both carriages 11 and 12 move further, the backward type knitting needle NX
, the front main knitting needle NY and the sub line needle NR are each pulled back (as shown in Fig. 2 E), and the back main knitting needle NX is pulled in at position F in Fig. 1.
hooks the old stitch to form a new stitch using the first knitting yarn S, the front main knitting needle NY forms a new stitch using the second knitting yarn T, and the secondary yarn NR forms a new stitch using the second knitting yarn T. A stitch is formed (as shown in FIG. 2 F).

Both carriages 11 and 22 advance behind it and the upper body stop needle N
When the upper body stop needle NJ reaches position J, the upper body stop needle NJ is attached to the lower needle folding member 3.
4 from the inclined surface 34a to the holding surface 34b, and its front part is pushed down from the normal upper position (shown by the two-dot chain line D' in FIG. 2) to the lower position (shown by the solid line in FIG. 2 62), A gap is created between the stem of the upper body stop needle NJ and the lower surface of the rear thread opening 31, through which the first knitting yarn S passes smoothly. There is no longer a situation where the upper body stopper needle NJ is caught between the stem and the rear thread opening 31.

Therefore, the trailing yarn opening 31 can be brought closest to the main knitting needles NM.

Therefore, the first knitting yarn S from the rear yarn opening 31 can be reliably fed to the rear main knitting needles NX.

In addition, for high-speed knitting, it is preferable to provide various members on the connecting plate 29 to prevent the needles of the knitting needles from moving inadvertently, as shown in FIGS. 3 and 4.

That is, a magnet 35 and a suction plate 36 for standing up and attracting the tongue of the front main knitting needle NY, a tongue holding brush 37, and the subline needle NR.
A brush 38 is provided for pressing the tongue.

Since the present invention is constructed as described above, when knitting is performed by sliding the core carriage and the subcarriage, the yarn can be reliably fed to the yarn opening because the yarn opening is closest to the stem of the knitting needle. , and when performing flechage knitting, the front part of the knitting needle that is moved forward and resting is pushed down from its normal horizontal position by the knitting needle pressing member, so there is a gap between the stem of the knitting needle and the thread opening. There is no possibility that the knitting yarn will get caught in the knitting yarn, and therefore no unnecessary large loops will be formed at the ends of the knitted fabric, and there will be no inconvenience that the loops will unexpectedly catch on the knitting needles and make knitting impossible.

[Brief explanation of drawings]

Figure 1 is a back view of the main and auxiliary carriages of the drawing board type knitting machine of the present invention, and Figure 2 (A-F) shows (A-A) to (F-F) in Figure 1.
3 is a back view of the connecting plate of the applied example, and FIG. 4 is a side view thereof. 1: Main needle bed, 2: Sub needle bed, 11: Main carriage, 22: Sub carriage, 31: Yarn opening (back yarn opening), 34: Knitting needle pressing member, NM: Main knitting needle, NR: Sub line needle.

Claims (1)

[Scope of utility model registration request] A main needle bed with a large number of main knitting needles arranged in a row, a main carriage that slides on the main needle bed, a sub needle bed with a large number of sub knitting needles arranged in a row in front of the main needle bed, and the sub needle bed with a large number of sub knitting needles arranged in a row in front of the main needle bed. a sub-carriage that slides on the needle bed, a thread opening is provided between the main carriage and the sub-carriage in close proximity to the main knitting needle stem, and engages with the knitting needle at the most forward position of one needle bed. A drawing board type knitting machine equipped with a knitting needle pressing member that pushes down the front part of the knitting needle from its normal horizontal position.