CN113136647A - Pattern changing device and method for jacquard machine - Google Patents

Abstract

The invention discloses a changeable jacquard and a jacquard changing method. The warp stop device comprises a warp stop rod and a plurality of warp stop sheets hung on the warp stop rod, the liftable yarn separating device comprises a limiting seat, a lifting seat and limiting strips, the limiting seat is arranged on the jacquard main body, the limiting strips are sequentially distributed on the limiting seat along the same horizontal direction, a containing interval for containing the warp stop sheets is arranged between every two adjacent limiting strips, the lifting seat is movably arranged on the limiting seat, the warp stop rods are connected to the lifting seat and located above the limiting strips, the warp stop rods are aligned with the containing interval, the lifting seat can move up and down along the limiting seat, the fixing piece is arranged on the jacquard main body and used for fixing yarns, and the front reed and the rear reed are arranged on the jacquard main body and used for separating the yarns. The changeable jacquard machine can save time and labor and improve working efficiency.

Description

Pattern changing device and method for jacquard machine

Technical Field

The invention relates to the field of spinning, in particular to a jacquard pattern changing device and a jacquard pattern changing method.

Background

In the textile and clothing accessory industry, when the jacquard ribbon of the ribbon is changed after weaving 1 sheet, operations such as threading and the like are needed, and the threading operation is to thread hundreds of yarns one by one and then reed, then thread each dropper, and finally thread palm fibers and reeds. Taking 500 yarns of 1 jacquard belt as an example, threading 4 jacquard belts, 2 skilled workers cooperate to complete the threading process within about 10-12 hours, and the method is time-consuming and labor-consuming and has low working efficiency.

Disclosure of Invention

Accordingly, there is a need for a jacquard pattern changing device and a jacquard pattern changing method that can save time and effort and improve work efficiency.

A replaceable jacquard machine comprises a jacquard machine main body, a dropper, a liftable yarn dividing device, a fixing piece, a front reed and a rear reed, wherein the dropper comprises dropper rods and a plurality of dropper plates hung on the dropper rods, the liftable yarn dividing device comprises a limiting seat, a lifting seat and limiting strips, the limiting seat is arranged on the jacquard machine main body, the limiting strips are sequentially distributed on the limiting seat along the same horizontal direction, an accommodating interval for accommodating the dropper plates is arranged between every two adjacent limiting strips, the lifting seat is movably arranged on the limiting seat, the dropper rods are connected on the lifting seat and are positioned above the limiting strips, the dropper rods are aligned with the accommodating intervals, the lifting seat can move up and down along the limiting seat, the fixing piece is arranged on the jacquard machine main body and is used for fixing yarns, the front reed and the rear reed are arranged on the jacquard main body to separate yarns.

In one embodiment, the lifting yarn splitting device further comprises a lifting mechanism arranged on the jacquard main body, and the lifting mechanism is connected with the lifting seat and used for driving the lifting seat to move.

In one embodiment, the limiting seat comprises two limiting sub seats which are oppositely arranged, two ends of the limiting strip are respectively connected to the two limiting sub seats, the lifting seat comprises two lifting sub seats, the two lifting sub seats are respectively located on the outer sides of the two limiting sub seats, and the lifting sub seats are respectively movably connected to the limiting sub seats.

In one embodiment, the liftable yarn dividing device further comprises a fastener, the lifting sub-base is provided with a long-strip-shaped adjusting hole extending along the vertical direction, the limiting sub-base is provided with a plurality of limiting holes distributed along the vertical direction, and the lifting sub-base and the limiting sub-base are arranged in the adjusting hole and the limiting holes in a penetrating mode through the fastener to achieve locking.

In one embodiment, a clamping groove for placing the dropper is formed in the limiting sub-seat, and the dropper is in contact fit with the clamping groove.

In one embodiment, the rear reed is arranged close to the liftable yarn dividing device.

In one embodiment, the front reed is disposed close to the harness of the jacquard body.

In one embodiment, the jacquard body is provided with a plurality of disc racks for placing the disc heads.

In one embodiment, the number of the drop wire rods is multiple, and each drop wire rod is aligned with one accommodating space.

In one embodiment, the jacquard machine further comprises a layering shaft disposed on the jacquard body for layering warp yarns.

A jacquard pattern changing method comprises the following steps:

according to a weaving belt process threading drawing, a jacquard main body controls the movement of heddles to realize the interweaving of warp yarns and weft yarns according to the structural movement of the weaving belt process threading drawing, and a production organization is formed to control the lifting movement of the warp yarns so as to realize the selection of N needed warp yarns from M warp yarns;

forming picking openings on the lifted N warp yarns and the non-lifted M-N warp yarns;

fixing one ends of M-N warp yarns which do not rise on a fixing piece, lifting the N warp yarns by a lifting seat of a liftable yarn splitting device to split the N warp yarns, splitting the N warp yarns from a picking opening to a warp stop sheet and a back reed, and splitting original pan heads corresponding to the N warp yarns;

installing new disc heads corresponding to the N warp yarns according to the process requirements, and butting the N warp yarns with the corresponding new disc heads; and (4) penetrating N warp yarns into the front reed.

The changeable jacquard machine can save time and labor and improve the working efficiency. Particularly, the exchangeable jacquard machine can save the time spent in the yarn dividing process in the traditional exchanging method and improve the yarn dividing efficiency. The changeable jacquard provided by the invention is provided with the liftable yarn dividing device, so that the lifting seat can move up and down along the limiting seat during yarn dividing, the height of the pre-divided warp yarns is improved, the height difference between the pre-divided warp yarns and the non-divided warp yarns is increased, and the yarn dividing efficiency is improved.

The jacquard pattern changing method can save yarn dividing time and improve yarn dividing efficiency. According to a weaving belt process threading diagram, a jacquard machine main body controls heald wire movement to realize warp yarns and weft yarns to be interwoven according to the structure movement of the weaving belt process threading diagram, a production organization is formed to control the lifting movement of the warp yarns, so that N needed warp yarns are selected from M warp yarns, picking openings are formed between the N warp yarns and M-N warp yarns which do not lift, lifting of a lifting seat of a lifting yarn dividing device is used for realizing the lifting of the N warp yarns to divide the N warp yarns, and thus yarn dividing can be carried out with high efficiency.

Drawings

FIG. 1 is a schematic view of a convertible jacquard machine according to an embodiment of the present invention;

fig. 2 is a schematic view of a liftable yarn separating device of the exchangeable jacquard shown in fig. 1.

Description of the reference numerals

10: a changeable jacquard; 100: a warp stop device; 110: a warp stop lever; 120: a dropper; 200: a yarn dividing device can be lifted; 210: a limiting sub-base; 220: a lifting sub-base; 221: an adjustment hole; 230: a limiting strip; 240: a fastener; 300: a fixing member; 400: a front reed; 500: back reed; 600: a harness wire; 20: and (4) warp yarns.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of the present invention provides a changeable jacquard machine 10, which includes a jacquard machine main body, a warp stop device 100, a liftable yarn separating device 200, a fixing member 300, a front reed 400, and a rear reed 500.

The dropper 100 comprises a dropper bar 110 and a plurality of drop wires 120 suspended from the dropper bar 110.

Referring to fig. 2, the liftable yarn separating device 200 includes a limiting seat, a lifting seat and a limiting strip 230. The limiting seats are arranged on the jacquard body, the limiting strips 230 are sequentially distributed on the limiting seats along the same horizontal direction, an accommodating interval for accommodating the dropper 120 is arranged between every two adjacent limiting strips 230, the lifting seat is movably arranged on the limiting seats, the dropper rod 110 is connected to the lifting seat and is positioned above the limiting strips 230, the dropper rod 110 is aligned with the accommodating interval, and the lifting seat can move up and down along the limiting seats.

The fixing member 300 is provided on the jacquard body for fixing the yarn.

The front reed 400 and the rear reed 500 are provided on the jacquard main body for dividing yarns.

In one embodiment, the liftable yarn dividing device 200 further comprises a lifting mechanism disposed on the jacquard body. The lifting mechanism is connected with the lifting seat and used for driving the lifting seat to move.

In one embodiment, referring to fig. 1, the stopper base includes two stopper sub-bases 210 disposed opposite to each other. The two ends of the limiting strip 230 are respectively connected to the two limiting sub-seats 210, the lifting seat comprises two lifting sub-seats 220, the two lifting sub-seats 220 are respectively located at the outer sides of the two limiting sub-seats 210, and the lifting sub-seats 220 are respectively movably connected to the limiting sub-seats 210.

In one embodiment, the liftable yarn dividing device 200 further comprises a fastener 240. Be provided with the regulation hole 221 of the rectangular shape that extends along vertical direction on the lift subbase 220, a plurality of spacing holes that distribute along vertical direction on the spacing subbase 210, lift subbase 220 with the position of spacing subbase 210 is passed through fastener 240 wears to locate regulation hole 221 and spacing hole realizes the locking.

In one embodiment, a slot for placing the dropper rod 110 is disposed on the stopper sub-seat 210, and the dropper rod 110 is in contact fit with the slot.

In one embodiment, the rear reed 500 is arranged close to the liftable dividing device 200. The position of the rear reed 500 can be adjusted according to actual needs.

In one embodiment, the front reed 400 is disposed close to the heddle 600 of the jacquard body. The position of the front reed 400 can be adjusted according to actual needs.

In one embodiment, the jacquard body is provided with a plurality of disc holders for holding the heads.

In one embodiment, the number of the dropper bars 110 is multiple, and each dropper bar 110 is aligned with one receiving space.

In one embodiment, the convertible jacquard machine 10 further comprises a layering shaft. The layering shafts are provided on the jacquard main body for layering the warp yarns 20. The number of the layering shafts can be multiple, further, the number of the layering shafts corresponds to the number of the pan heads, and each layering shaft separates the warp yarns on each pan head to avoid the warp yarns on different pan heads from interfering with each other.

The exchangeable jacquard machine 10 of the present invention can save time and labor and improve working efficiency. Specifically, the convertible jacquard machine 10 of the present invention can save the time taken for the yarn dividing process in the conventional conversion method, and improve the yarn dividing efficiency. The changeable jacquard machine 10 provided with the liftable yarn dividing device 200 realizes that the lifting seat can move up and down along the limiting seat during yarn dividing, so that the height of the pre-divided warp 20 is increased, the height difference between the pre-divided warp 20 and the non-divided warp 20 is increased, and the yarn dividing efficiency is improved.

The embodiment also provides a jacquard pattern changing method.

A jacquard pattern changing method comprises the following steps:

according to the weaving belt process threading drawing, the jacquard main body controls the movement of the heddles to realize the interweaving of the warp yarns 20 and the weft yarns according to the structure movement of the weaving belt process threading drawing, and a production organization is formed to control the lifting movement of the warp yarns 20 so as to realize the selection of N needed warp yarns from M warp yarns.

And forming picking openings in the lifted N warp yarns and the non-lifted M-N warp yarns.

One ends of the M-N warp yarns which are not lifted are fixed on the fixing piece 300, the lifting seat of the lifting yarn splitting device 200 is lifted to realize the lifting of the N warp yarns so as to split the N warp yarns, the N warp yarns are split from the picking opening to the warp stop sheet 120 and the back reed 500, and the original pan heads corresponding to the N warp yarns are split.

Installing new disc heads corresponding to the N warp yarns according to the process requirements, and butting the N warp yarns with the corresponding new disc heads; the N warp yarns are layered by a plurality of layering shafts and then passed through the front reed 400.

The jacquard pattern changing method can save yarn dividing time and improve yarn dividing efficiency. According to a weaving belt process threading diagram, a jacquard machine main body controls heald wire movement to realize the interweaving of warp yarns 20 and weft yarns according to the structure movement of the weaving belt process threading diagram, a production organization is formed to control the lifting movement of the warp yarns 20, the required N warp yarns are selected from M warp yarns, the height of the N warp yarns is used for realizing the formation of a picking opening with M-N warp yarns which do not lift, and the lifting seat of a lifting yarn dividing device 200 is used for lifting to realize the lifting of the N warp yarns to divide the N warp yarns, so that the yarn can be divided efficiently.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (11)

1. A replaceable jacquard machine is characterized by comprising a jacquard machine main body, a dropper device, a liftable yarn dividing device, a fixing piece, a front reed and a rear reed, wherein the dropper device comprises a dropper rod and a plurality of dropper plates hung on the dropper rod, the liftable yarn dividing device comprises a limiting seat, a lifting seat and a limiting strip, the limiting seat is arranged on the jacquard machine main body, the limiting strips are sequentially distributed on the limiting seat along the same horizontal direction, an accommodating interval for accommodating the dropper plates is arranged between every two adjacent limiting strips, the lifting seat is movably arranged on the limiting seat, the dropper rod is connected on the lifting seat and is positioned above the limiting strips, the dropper rod is aligned with the accommodating interval, the lifting seat can move up and down along the limiting seat, the fixing piece is arranged on the jacquard machine main body for fixing yarns, the front reed and the rear reed are arranged on the jacquard main body to separate yarns.

2. The convertible jacquard machine according to claim 1, wherein said liftable dividing device further comprises a lifting mechanism provided on the jacquard body, said lifting mechanism being connected with said lifting seat for driving said lifting seat to move.

3. The convertible jacquard machine according to claim 2, wherein said limiting seats comprise two limiting seats oppositely arranged, two ends of said limiting strip are respectively connected to said two limiting seats, said lifting seat comprises two lifting seats, said two lifting seats are respectively located at outer sides of said two limiting seats, and said lifting seats are respectively movably connected to said limiting seats.

4. The jacquard machine according to claim 3, wherein the lifting yarn-dividing device further comprises a fastening member, the lifting sub-base is provided with an elongated adjusting hole extending along the vertical direction, the limiting sub-base is provided with a plurality of limiting holes distributed along the vertical direction, and the positions of the lifting sub-base and the limiting sub-base are locked by the fastening member penetrating through the adjusting hole and the limiting holes.

5. The jacquard machine according to any one of claims 1 to 4, wherein a slot for placing the drop wire rod is arranged on the limiting sub-seat, and the drop wire rod is in contact fit with the slot.

6. The convertible jacquard machine according to any one of claims 1 to 4, characterized in that the rear reed is arranged close to the liftable dividing device.

7. The convertible jacquard machine according to any one of claims 1 to 4, wherein the front reed is arranged close to the heddle of the jacquard body.

8. Jacquard machine according to one of the claims 1-4, characterized in that the jacquard machine body is provided with a plurality of trays for the placement of the pan heads.

9. The convertible jacquard machine according to any one of claims 1 to 4, wherein said drop wires are in a plurality, each of said drop wires being aligned with one of said receiving spaces.

10. The convertible jacquard machine according to any one of claims 1 to 4, further comprising a layering shaft provided on the jacquard body for layering warp yarns.

11. A jacquard pattern changing method is characterized by comprising the following steps:

according to a weaving belt process threading drawing, a jacquard main body controls the movement of heddles to realize the interweaving of warp yarns and weft yarns according to the structural movement of the weaving belt process threading drawing, and a production organization is formed to control the lifting movement of the warp yarns so as to realize the selection of N needed warp yarns from M warp yarns;

forming picking openings on the lifted N warp yarns and the non-lifted M-N warp yarns;

fixing one ends of M-N warp yarns which do not rise on a fixing piece, lifting the N warp yarns by a lifting seat of a liftable yarn splitting device to split the N warp yarns, splitting the N warp yarns from a picking opening to a warp stop sheet and a back reed, and splitting original pan heads corresponding to the N warp yarns;

installing new disc heads corresponding to the N warp yarns according to the process requirements, and butting the N warp yarns with the corresponding new disc heads; and (4) penetrating N warp yarns into the front reed.

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