JPS62231061A - Knitted fabric cutting method and knitted fabric draw-out apparatus of warp knitting machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a method for cutting a knitted fabric in a warp knitting machine such as a double Raschel machine, and a knitted fabric drawing device for this cutting. be.

(Prior art) When knitting a raised two-handed warp knitted fabric in which a front knitted fabric and a back knitted fabric are joined with pile yarn using a double raschel machine, the front knitted fabric and the back knitted fabric are To knit a short separation part that is separated without being joined by a pile yarn, and after knitting is completed, the front knitted fabric and the back knitted fabric are opened to opposite sides at this separation part to make it easier to cut the pile yarn between them. is being carried out. Conventionally, when the separation section reaches between the warp knitting machine and the mobile winding device located in front of the warp knitting machine, the knitting of the warp knitting machine and the winding of the mobile winding device are stopped, respectively. The above-mentioned double warp knitted fabric for napping is separated front and back at the above-mentioned separation part, the preceding knitted fabric on the mobile winding device side is wound around the winding core of the mobile winding device, and then the above-mentioned mobile winding Replace the device with a mobile winding device with an empty winding core attached, and the winding attached to the empty winding core is attached to the end of the tape at the separation section of the cut double warp knitted fabric for raised naps. After the tape was connected to the machine and the mobile winding device was started to remove any slack in the tape, the warp knitting machine (Double Raschel n) was restarted.

(Problems to be Solved by the Invention) Conventionally, warp knitted fabrics were knitted by 1;7Il1 with the warp knitting machine stopped.
7i, the mobile take-up device was replaced, the tape was connected for winding, and the slack in the tape was removed for winding, so the down time before restarting the warp knitting machine was long. Therefore, the yarn hanging on the knitting needles of the warp knitting machine is exposed to a tension different from that during knitting for a long time, and as a result, there is a problem in that when the warp knitting machine restarts operation, a stop layer occurs in the warp knitted fabric.

This invention provides a cutting method for a warp knitting machine that does not produce a stopping step when knitting a two-handed warp knitted fabric for napped use with the above-mentioned double Raschel machine, or when knitting any warp knitted fabric with a general warp knitting machine. It also holds and provides a knitted fabric pull-out device used for this cutting and unloading.

(Means for solving the problem) In the first invention, cutting the boundary portion, replacing the winding core,
3 and the above-mentioned winding is performed while continuing knitting, holding the full width of the front end portion of the subsequent warp knitted fabric on the side of the warp knitting machine from the above-mentioned opposite end boundary, and pulling it forward.

Second invention (translation: A knitted fabric locking table capable of removably locking a knitted fabric between a warp knitting machine and a winding device in front of it is provided), the knitted fabric locking table is movable back and forth. A biasing means for biasing the knitted fabric locking base forward is connected to the stop base.

(Operation) When the knitting progresses and the opposite end boundary exceeds the knitted fabric locking table of the second invention, the entire width of the front end portion of the following warp knitted fabric is locked to this fabric locking table, and the knitted fabric is locked. The subsequent warp knitted fabric is pulled forward and moved forward by the biasing force of the biasing means connected to the table.

Therefore, in this state, cut the anti-unbounded part of the warp knitted fabric,
After winding of the preceding warp knitted fabric is finished, the winding device is stopped and the winding core is replaced.Furthermore, the winding is performed by connecting the tape, and after this connection is completed, the winding is started after the tape is no longer loose. By disconnecting the knitting fabric locking table and the (j) force means, the cutting and unloading is completed and the knitting is returned to normal knitting.

However, the knitted fabric is cut off while the warp knitting machine is operating, and even after cutting the fabric at the opposite end boundary, the following warp knitted fabric is pulled forward, so the fabric tension in the knitted part is almost constant. The cutting and unloading is completed. Note that even during knitting, the forward speed of the knitted fabric is slow, so cutting it is extremely easy.

(Example) In Fig. 1, 1 is a double raschel 1 size (warp knitting machine)
, 2 is a mobile winding device, in which the raised two-handed warp knitted fabric (warp knitted fabric) F knitted by the warp knitting machine 1 is moved between a guide roller 1a below the warp knitting machine 1, a guide roller 3a in front of it, 3b, and is wound onto a core 2a on a mobile winding device 2. As shown in Fig. 2, the double warp knitted fabric F for raising is knitted by joining front knitted fabric "a" and back knitted fabric [b] to each other with pile P. Fabric F) I and the following warp knitted fabric "The opposite end boundary S of the R tomemory is the front knitted fabric [a and the back knitted fabric F
It is formed in a separated section with a length of about 1 m only.

A knitted fabric locking table 4 is provided on the floor between the warp knitting machine 1 and the movable winding device 2 so as to be movable back and forth.

This knitted fabric locking table 4 is long in the width direction and includes a sliding table 5 that is slidable back and forth with respect to the flooring, a wooden 11 pricking board 6 fixed on this sliding table 5, and this needle pricking board. It is formed by a plurality of needles 7 that are removably inserted into the upper surface of the needle insertion plate 6, and hooks 8 are fixed to the left and right sides of the front surface of the needle insertion plate 6. A pair of left and right fixed pulleys 101fi are provided in front of the knitted fabric locking stand 4 via a pulley stand 9. A cone drum 12 for lifting goods is attached to a pair of left and right columns 11 erected on the floor. It is extended to the hook 8 of the knitted fabric locking table 4.
is hooked to. As shown in FIG. 3, the above cone drum 12 for lifting goods has a spiral rope groove 12 on its outer surface.
One end of the rope 113 wound around the rope groove 12a is fixed to the large diameter part, and the rope 13 is connected from the small diameter part to the elasticity (attached) of a bottle spring (not shown) inside the cone drum 12. (for example, "Spring Balancer J" manufactured by Endo Kogyo Co., Ltd.), which is designed to be pulled out against the force (for example, "Spring Balancer J" manufactured by Endo Kogyo Co., Ltd.) and to maintain the tension at a substantially constant level.

In the above structure, when the opposite end boundary part (separation part) S passes the knitted fabric locking table 4, the row 1
13, hook its end on the hook 8 of the knitted fabric locking table 4, urge the knitted fabric locking table 4 forward, and then pull out the following warp knitted fabric.
The front end of R is fixed on the needle pricking plate 6 with a plurality of needles 7,
The separating portion S is set 1.7 J in the width direction with a knife, and then the subsequent warp knitted fabric FR is pulled forward with a constant tension by the urging force of the cone drum 12. On the other hand, as the winding by the mobile winding device 3 progresses and the preceding warp knitted fabric FH is wound around the winding core 4,
By replacing the mobile winding device 3, the winding core 4 is replaced, and the winding tape attached to the empty winding core 4 is pulled out and its end is connected to the following warp knitted fabric FR, and a new moving When the winding device 3 is activated and the tape is no longer loose, the needle 7 is picked up from the fabric locking table 4 and the subsequent warp knitted fabric FR is removed, thereby completing the cutting.

In the embodiment shown in FIG. 4, a hole H is installed in the flooring under the fixed pulley 10, and the rope 14 is hung from the hole 1'', and the rope 15 is attached to one end of the loaf 14 hung on the fixed pulley 10. The other end is connected to the hook 8 of the knitted fabric locking table 4. In this embodiment, the knitted fabric locking table 4 is urged forward by the weight 15, so that the subsequent warp knitted fabric FR can always be pulled with a constant tension.

In the above embodiment, a bar in the width direction may be provided on the knitted fabric locking table, and the subsequent warp knitted fabric may be pressed down and held by this bar. Furthermore, instead of the mainspring spring or weight of the cone drum for lifting, the knitted fabric locking table can be biased by a torque motor or the like to pull the subsequent warp knitted fabric.

(Effects of the invention) The first light cuts and cuts the subsequent warp knitted fabric connected to the warp knitting machine while pulling it, and does not stop the knitting of the warp knitting machine by cutting and cutting, so no stopping steps occur. , and production ■ increases. Further, the second invention can be used to carry out the first invention, and furthermore, the knitted fabric locking table is provided so as to be slidable back and forth, and the knitted fabric locking table is simply moved forward (=J side). It has a simple structure and is easy to use.

[Brief explanation of drawings]

F: warp knitted fabric, FR: subsequent warp knitted fabric, FH: preceding warp knitted fabric, S
: Anti-final boundary part, 1: I! Knitting machine, 2: Mobile winding device, 2
a: winding core, 4: knitted fabric locking table, 5: sliding table, 10: fixed pulley, 12: lifting cone drum (biasing means), 13.
14: Rope, 15: Φ heel (biasing means). Patent Applicant Toyobo Co., Ltd. Hatta Meridian Co., Ltd. Agent Patent Attorney Takeshi Sakano Ryoji Fukota 7 Contents of Amendment Procedure 11 Official Book (Method) 1 Indication of Case Patent Application No. 69345 of 1985 2 Title of Invention・Knitted fabric clear method of warp knitting machine and knitted fabric drawing device 3 Relationship with the case of the person making the amendment Patent applicant's residence Address: 2-2-8 Dojimahama, Kita-ku, Osaka Name (3)
L6) Toyobo Co., Ltd. (1 idiot) 4 Agent Address: 2-10 Azuchi-cho, Higashi-ku, Osaka (1) Page 10 of the specification tube, line 6, the following line after “4. Brief explanation of the drawings”: - Added text. "Figure 1 is a front view of an embodiment of the present invention, Figure 2 is an enlarged view of the main part of Figure 1, Figure 3 is a side view showing an example of the biasing means, and Figure 4 is another embodiment. This is a front view of

Claims (1)

[Scope of Claims] [1] A warp knitted fabric knitted by a warp knitting machine is wound onto a winding core of a winding device driven in front of the warp knitting machine, and between this winding device and the warp knitting machine. When the opposite end boundary of the warp knitted fabric is reached, the opposite end boundary is cut in the width direction to separate the warp knitted fabric back and forth, and then the winding core is replaced with an empty winding core, In the fabric cutting method of the warp knitting machine that connects this empty winding core and the subsequent warp knitted fabric on the warp knitting machine side with a wrapping tape, the knitting of the warp knitting machine is continued, and the front end of the subsequent warp knitted fabric is A method for cutting and unloading a knitted fabric for a warp knitting machine, characterized in that the boundary portion is cut, the winding core is replaced, and the winding tape is connected while maintaining the full width and pulling the fabric forward. [2] The warp knitting machine according to claim 1, wherein the warp knitting machine is a double Raschel machine, and the warp knitted fabric is a raised double warp knitted fabric in which a front knitted fabric and a back knitted fabric are joined with pile yarns. How to cut and unload knitted fabric on a knitting machine. [3] A knitted fabric locking table capable of removably locking the knitted fabric is provided between the warp knitting machine and the winding device in front of it, and is slidable back and forth. A knitted fabric pull-out device for a warp knitting machine, characterized in that a biasing means for biasing a ground anchoring table forward is connected. [4] The knitted fabric locking table is formed by fixing a needle pricking plate on a sliding table that is long in the width direction, and inserting a plurality of needles into the needle pricking plate in a detachable manner. A knitted fabric pull-out device for a warp knitting machine as described in Section 1. [5] The biasing means is a rope wound around a cone drum biased by a mainspring spring, one end of which is fixed to the large diameter part of the cone drum, and the other end is pulled out from the small diameter part of the cone drum. and the end of the rope pulled out from this small diameter part is connected to the knitted fabric locking table via a fixed pulley in front of the knitted fabric locking table. Fabric pull-out device for warp knitting machines. [6] A patent claim in which the biasing means is a weight, and the other end of the rope with one end connected to the weight is connected to the knitted fabric locking table via a fixed pulley in front of the knitted fabric locking table. A knitted fabric drawing device for a warp knitting machine according to item 3 or 4.