DE502645C - Jacquard machine - Google Patents

Description

Jacquard machine When choosing the weave for rod carpet fabrics With a patterned back, you have been very dependent on the jacquard machine up to now. In building such bonds, one had to consider first and foremost: that you got along with the quietest possible movements of the jacquard machine. Well one has tried here and there to use technically flawless weaves to make larger Durability of the carpets on the one hand and a cleaner back on the other achieve. However, none of these attempts could have any practical significance. because you are using the usual jacquard machines with a movable bottom plate and was dependent on a movable knife box, at best with knife turning devices were set up to save cards.

The new jacquard machine object of the present invention makes it possible to produce such fabrics in a technically and economically flawless manner to manufacture. What is particularly peculiar to her consists in the fact that one with her Help bring about the complete reversal of the subject from one shot to the other can without any intermediate positions being necessary and without the card needs to press. In addition, there are also bindings that have been customary up to now Advantages in that they have quieter, less strenuous jacquard machine movements allow and protect the cards. The design of the new jacquard machine is off can be seen in the section (Fig. i). How they work is illustrated below of four binding examples (Fig. 2 to 5) and the associated movement curves v1bis 5, 'explained. In Figs. 2 to 5, the Roman numerals always denote Ibis IV the shots, the letter R always the rod. F is the fill chain. The crossing the binding chain was not shown because it is not essential for the innovation. Furthermore, for the sake of simplicity of illustration, only two different colored Pile threads (chore) drawn.

In Figs. V2 to 5 @, (time path curves), the Roman numerals I to IV and the letter R always designate the point in time at which the rod and shooter have covered half the way through the shed, while the letters and numbers AR, A Ibis A IV determine the time of the store stop. The time path line for the upper cutter box OMK is dashed, that for the lower cutter box or finger rake UMK is dash-dotted and that for the plate bottom PB is fully extended. The moment in which the prism P with the card presses against the needles N is indicated by a small circle.

The jacquard machine (Fig. I) has an upper knife box OMK known Art for a maximum stroke of 2q. up to 27 cm, a lower knife box UMK, whose knives, similar to the double lifting machines, all in one Finger rake stored are, for a maximum stroke of also 24 to 27 cm and a plate bottom PB known type for a maximum stroke of 12 to = 4 cm. It is with double nose boards Pl equipped by a single needle plant N by a single card the prism P can be controlled. The movement of the two knife cases OMK and UMK is completely independent of each other, i. H. either of the two knife cases can perform its maximum stroke regardless of the respective position of the other.

In order not to obscure the illustration, only the fingers for the 1st, 2nd, 15th and 16th lower knife are fully drawn, while the Fingers for the remaining lower knives were broken off just above the UMK.

The jacquard machines with two knife boxes built so far were a stroke of the lower knife box UMK is only possible if the upper knife box is also at the same time raised. These machines were also always with double-sided sinkers or something connected double sinkers provided by two needle works with the help of two Card games were controlled.

From the use of the two independently working knife boxes UMK, OMK and the double nose plates Pl result -the following with reference to the Binding examples described more advantageous working methods.

Fig. 2 is a three-weft weave in which the pile thread forming the pile is bound in a U- or V-shape around three wefts. In contrast to the known weaves, two out of three wefts lie beneath the filling warp F, which prevents the dead pile threads lying inside the goods from penetrating to the rear side and ensures a clean rear side failure. With the new jacquard machine (Fig. Z), the production of this binding according to Fig. 2a is as follows R. The upper knife box OMK has formed the rod compartment. The pressed plates Pl hang in the middle compartment height on the lower knife box UMK.

AR. The upper knife box OMK occurs when lowering for the purpose of pattern formation on the back of the fabric with the sinkers hanging on it unhindered by the Lower knife box UMK that remains in the middle shed position downwards.

I, A I, 1I. The UMK lower knife box retains its previous position while the upper knife box OMK has reached the lower compartment and remains there.

A II. The lower knife box UMK is on the way to the lower compartment, so that at III. all boards sit on the board base. In this position the prism presses .P with a new card for the purpose of selecting the sinkers for the next rod compartment.

A III. The upper knife box has the plates Pl grasps and is with them on the way to the rod compartment, while at the same time the lower knife box lifts the pressed blanks into the middle compartment.

At R the rod compartment is created and the game begins again.

The bottom of the board always remains in the deep shed position. All unnecessary Movements are avoided, which corresponds to a significant saving in strength. the The card only presses once for four work steps, which means protection the same results.

Fig. 3 is a three-weft weave in which the pile-forming pile W is bound in in the shape of all three wefts. As a result, the tufts sit very firmly in the fabric. The dead pile threads are effectively prevented from penetrating by only tying them deeply in one of the three wefts III. The mode of operation of the new jacquard machine for this weave is shown in Fig. 3a. In this case the lower knife box UMK is fixed immovably in the middle position.

R. The upper knife box OMK has formed the rod compartment. All pulled Boards _PI hang on the lower knife box UMK.

AR. When lowering for the purpose of pattern formation on the back of the Tissue, the OMK passes through the UMK unhindered.

I. The OMC has reached the bottom.

A I. The OMK is on the way to the middle compartment, at the same time the board bottom PB lifts, so that at II. All boards are free for the printing of the new card to select the new compartment.

A II. The OMK sinks with the not pressed plates Pl simultaneous lowering of the board bottom PB into the deep compartment.

III. OMK and PB have reached the bottom.

A III. The OMK passes through unhindered on the way into the rod compartment the UMK. The printed circuit boards remain unchanged on the UMK in the middle compartment hang.

R. The new rod compartment is complete and the game begins again.

This mode of operation is just as advantageous as the one described above.

While the pattern-forming pile thread here only rises by one weft I. the back comes out to create an unobtrusive backside pattern, According to Fig. 4, the pattern pole occurs twice to the rear by, which results in a more expressive back.

In order to weave this weave in an advantageous manner, both knife boxes must have OMK and UMK and the bottom of the board are set in motion. The latter, however, leads only a stroke corresponding to about half the middle compartment height at A III (Fig. 4a) to clear all circuit boards for the new card to be printed. The remaining Movements are easily understandable on the basis of the foregoing and Fig. 4a, so that an enumeration of the processes in detail can be omitted.

For thicker pole material, denser settings are still suitable- better than the binding 4 the binding according to Fig. 5. The dead pole is here only tied in by a shot II. A punch through to the rear is less to be feared than after binding 4. Here, too, both knife cases must OJVIK and UMK and the PCB bottom PB are working. The latter only lifts with IV at the height of the shooter compartment in order to free the circuit boards PB for the new card to be printed do.

From these four examples, the possibilities are not available Remotely exhausting, the advantages of the new jacquard machine are clear too recognize.

Since the movements of the machine are limited to the most necessary, she needs the least strength imaginable. The technical training is flawless because none Shocks can occur. Harness wear is reduced and the card is protected.

Compared to the known machines with double-legged sinkers occurs also a 50 percent card savings.

None of the machines used to date has these advantages.

Claims (2)

PATrNTANSPIT @: crIE: z. Jacquard machine for rod carpet fabric with patterned back, characterized in that it is equipped with double nose plates (P1), two are independent in terms of their direction of movement, magnitude and time of movement knife boxes (UMK, OMK) that can be moved from one another, a needle system (N) through which the boards (P1) with one or the other depending on the perforation of the card Knife box (UMK or OMK) can be engaged, and also with a liftable board base (PB) is equipped to hold the boards (PI) for the Free printing of the card. 2. Jacquard machine for rod carpet fabric with Patterned back according to claim z, characterized in that the knives of the a knife box (UMK or OMK) are stored in a finger rake, the fingers of which long enough that each of the two knife cases (U: VIK OMK) is independent can perform its maximum stroke from the other.