CN217973587U - Double-needle bed three-jacquard warp knitting machine - Google Patents

Abstract

The utility model discloses a three merchant of two needle beds card warp knitting machine, its characterized in that: the warp knitting machine is provided with three sets of jacquard devices, the looping element is provided with a compound needle, all guide bars can loop at the front needle bed and the back needle bed, and the fabric with various jacquard relief technological effects can be woven. In the weaving process, the yarn guide bar is alternately knitted into loops on the front needle bed and the back needle bed, so that the yarn loops of the front needle bed can be merged onto the back needle bed needle piece, and the yarn loops of the back needle bed can be merged onto the front needle bed needle piece. The front needle bed and the rear needle bed can weave meshes independently and can also weave meshes simultaneously, thereby realizing the weaving of fabrics with different styles and different process designs. The utility model discloses a fabric is three-dimensional, unsmooth to be felt strong, and the flower type is rich and varied, has solved current double needle bar warp knitting machine and has weavingd this technical problem who has unsmooth sense fabric because of receiving the restriction of the chaining tissue in front needle bar and back needle bar were woven in jacquard weave, has enlarged double needle bar warp knitting machine jacquard weave technology's range of application.

Description

Double-needle bed three-jacquard warp knitting machine

Technical Field

The utility model relates to a warp knitting machine technical field, in particular to three merchant's card warp knitting machines of two needle bars.

Background

A double needle bar Raschel machine is a Raschel machine which is provided with two rows of opposite surfaces which are parallel to each other. It can be knitted into loops on every needle bed separately, and then the fabrics with different styles and different pattern effects from single needle bed can be produced by using partial or complete connection mode. The basic working characteristic of the existing double needle bar Raschel warp knitting machine is that two needle bars are used for knitting in turn.

At present, needle pieces of a double-needle bar Raschel warp knitting machine on the market all adopt latch needles, and the thickness of woven fabrics of the interval double-face warp knitting machine is kept consistent without concave-convex feeling. In the process of looping, when yarns padded in the needle hook slide downwards, the latch needle is driven to be opened, the latch needle needs to be prevented from blocking the needle latch which is bounced up due to loop withdrawal by the latch needle self-closing steel wire, so that the latch needle is in an open state, and therefore, the loops in the needle hook can slide onto the needle rod. When the needle latch needs the old coil on the needle rod to slide upwards, the needle latch is lifted upwards to close the needle mouth of the latch needle, so that the old coil slides on the outer surface of the needle latch, cannot enter the needle hook again, and slides through the needle head to form knocking over. Therefore, the latch needle must have new and old loops continuously alternated during the knitting process to perform normal knitting. Therefore, when the double needle bed Raschel warp knitting machine is used for knitting the spaced fabric, the front needle bed and the rear needle bed are always looped, and the thickness of the fabric is consistent. Even without the intermediate pile weave, there are two separate pieces of fabric. When yarn is lacking in the latch needle hook, the opening and closing of the latch needle cannot be accurately guaranteed. When the latch needle is in a closed state, the yarn is laid in the needle hook, and the yarn slides along the outer edge of the closed latch, so that the yarn laying failure and the missed stitch are caused. In the case of missing stitch, the needle latch cannot be closed without an old loop on the needle bar, so that knitting cannot be continued. The existing double needle bed raschel warp knitting machine can not knit fabrics with concave-convex feeling.

Disclosure of Invention

In order to solve the problems existing in the prior art, the utility model provides a double-needle bed three-jacquard warp knitting machine. The warp knitting machine can weave various fabrics with jacquard relief process effects, and weaving of various fabrics with different styles and different process designs is achieved. The utility model discloses the fabric that weaves is three-dimensional, unsmooth to feel strong, and the flower type is rich and varied, has solved because of receiving the restriction of the chaining tissue in front needle bed and back needle bed are woven in the jacquard weaving of current double needle bed raschel machine, and can't weave this technical problem who has unsmooth sense fabric, has enlarged the range of application of double needle bed warp machine jacquard process.

The utility model discloses a concrete technical scheme as follows:

the utility model provides a three merchant of two needle beds card warp knitting machine, its characterized in that: in the weaving process of the double-needle bed three-jacquard warp knitting machine, the foremost padding weft guide bar of the front needle bed can be adjusted to the rear needle bed to be used as a chaining tissue, and the rear needle bed padding weft guide bar can also be adjusted to the front needle bed to be used as the chaining tissue.

Furthermore, in the weaving jacquard process of the double-needle-bed three-jacquard warp knitting machine, according to the jacquard process requirement, the front jacquard guide bar of the front needle bed can combine all yarns in the partial area of the front needle bed on the needle part of the back needle bed, the back jacquard guide bar of the back needle bed can combine all yarns in the partial area of the back needle bed on the needle part of the front needle bed, and the front needle bed and the back needle bed can weave meshes independently and can also weave the meshes simultaneously, so that the relief effect of the jacquard process can be formed, and the stereoscopic pattern rich in concave-convex feeling is realized.

Further, the double-needle bed three-jacquard warp knitting machine uses compound needles (grooved needles and needle cores). The yarn looping and looping of the grooved needle in the weaving process is actively closed and opened by the needle core. In the weaving process, if part of the process needs to combine all the yarns of the front needle bed on the back needle bed, the condition that no yarn exists on the needle element of the front needle bed can occur, and the front needle bed can be knitted as usual under the condition of adopting compound needles (grooved needles and needle cores are combined). If the latch needle is adopted, the knitting cannot be continued, because the latch needle is used for driving the yarn down by the movement of the needle latch, and the yarn pushes the needle latch up when the opening is closed, thus forming the loop-off weaving of the yarn. Therefore, whether the yarns of the front needle bed are combined with the back needle bed or the yarns of the back needle bed are combined with the front needle bed, as long as the jacquard process with the relief effect is woven, the colorful and rich three-dimensional patterns can be woven only by using the compound needles (grooved needles and needle core compounds).

Furthermore, the yarn guide bar of the double-needle bed three-jacquard warp knitting machine is provided with three jacquard guide bars, and the jacquard guide bars are separated jacquard guide bars. The three sets of jacquard guide bars can form loops at the front needle bed and the rear needle bed, and each jacquard needle can be independently selected. The front jacquard guide bar and the rear jacquard guide bar can be respectively used as front and rear bottom tissues, the middle jacquard guide bar can be used as a plush tissue, the thickness of the woven fabric is zero, thin, medium and thick, and the looping condition can be divided into the following types:

(1) The yarn guide bar weaves meshes at the same position of the front needle bed and the back needle bed, the middle part has no plush tissue, and the thickness of the weaved fabric at the position is zero;

(2) The yarn guide bar is not looped on one side of the front needle bed and the back needle bed, the bottom tissue guide bar on the other side is looped on the needle bed, and the thickness of the woven fabric is thin;

(3) The yarn guide bar is not looped on one side of the front needle bed and the back needle bed, the front bottom tissue guide bar and the back bottom tissue guide bar are looped on the other side of the front needle bed and the back needle bed, no plush tissue exists in the middle, and the thickness of the woven fabric is medium thick;

(4) The bottom tissue guide bars of the front needle bed and the back needle bed are respectively looped on the needle beds where the bottom tissue guide bars are located, the middle of the bottom tissue guide bars is provided with plush tissues, and the thickness of the woven fabrics is thick.

Furthermore, the guide bar of the double-needle bed three-jacquard warp knitting machine is provided with three jacquard guide bars as a base, and ground bars can be additionally arranged at the front and the back of the guide bar.

The utility model discloses following beneficial effect has:

1. the utility model provides a three merchant of two needle bars card warp knitting machines, weaving the in-process both can transfer the back needle bed to be made the chaining tissue with the foremost pad latitude sley bar of front needle bed, can transfer the front needle bed to be made the chaining tissue with back needle bed pad latitude sley bar again. The yarns of the front needle bed and the back needle bed can be combined on the same needle bed, so that the woven grey cloth has different thicknesses, different layering senses and three-dimensional rich concave-convex sense, and the woven patterns have various different styles.

2. The utility model discloses a looping needle spare selects for use compound needle (slot needle, the nook closing member is compound), and opening and the closure of slot needle mouth are accomplished by the cooperation of nook closing member. The knitting of the required process can be completed even if there is no yarn on the needles of the front or back needle bed. The technical problem that fabrics with concave-convex feeling cannot be woven due to the limitation of the chaining tissues in the weaving of the front needle bed and the back needle bed in the jacquard weaving of the conventional double-needle bed Raschel warp knitting machine is solved, the application range of the jacquard process of the double-needle bed warp knitting machine is expanded, and the market demand is better met.

3. The three jacquard guide bars of the utility model can be looped on the front needle bed and the back needle bed. The single needle of merchant card sley bar can independently select the needle, and every merchant card sley bar of group all can carry out independent process design and weave, and in addition the use of compound needle (slot needle, the needle core is compound), the loop structure who weaves and form is more even, has improved production efficiency and fabric quality, and the fabric that weaves is three-dimensional, the thickness level is obviously different, and the relief (sculpture) effect is highlighted, and the flower type is rich and varied.

4. The utility model provides a tricot machine can directly weave into the surface fabric that is rich in relief (sculpture) effect according to the technological requirement, need not to pass through other technology combined machining again, has greatly reduced manufacturing cost, has improved work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic structural view of a middle looping mechanism of the present invention;

FIG. 2 is a schematic view of the arrangement of the guide bars of the present invention;

FIG. 3 is a schematic view of the yarn guide bar of the present invention not looping at the same position of the front and back needle beds;

FIG. 4 is a schematic view of the front and rear ground stitches of the guide bar of the present invention being looped on only one of the needle beds;

FIG. 5 is a schematic view of the yarn guide bar of the present invention knitting on only one of the front and back needle beds;

FIG. 6 is a schematic view of the yarn guide bar of the present invention looping on both the front and back needle beds;

FIG. 7 is a schematic view of the open state of a latch needle of a prior art needle assembly;

fig. 8 is a schematic view of a needle latch needle in a closed state in the prior art.

The reference numbers in the figures denote:

1-knockover plate, 2-groove needle, 3-needle core, 4-sinker, 5-guide bar, 6-guide bar hanger, 7-tongue needle, 8-yarn, 9-tongue needle self-closing prevention steel wire, 10-needle tongue, 11-old loop, JB 1-first set of Jacquard guide bar, JB 1.1-first set of Jacquard guide bar front piece, JB 1.2-first set of Jacquard guide bar rear piece, JB 2-second set of Jacquard guide bar, JB 2.1-second set of Jacquard guide bar front piece, JB 2.2-second set of Jacquard guide bar rear piece, JB 3-third set of Jacquard guide bar, JB 3.1-third set of Jacquard guide bar front piece, JB 3.2-third set of Jacquard guide bar rear piece, a-ground weave thickness, b-pile weave thickness.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation and are not intended to limit the invention.

The specific embodiment of the utility model refers to fig. 1 to fig. 6:

referring to fig. 1, in the embodiment of the present invention, a knitting element of a double-bed tricot machine is composed of a knock-over plate 1, a grooved needle 2, a needle core 3, a sinker 4, and a guide bar 5.

Referring to fig. 2, the yarn guide bars 5 of the double needle bar tricot warp knitting machine in the embodiment of the present invention are arranged in sequence from the front to the back of the machine: the first jacquard guide bars are JB1.1 and JB1.2, the second jacquard guide bars are JB2.1 and JB2.2, and the third jacquard guide bars are JB3.1 and JB3.2. A total of 6 working lines, wherein each jacquard guide bar has two independent working lines. The three jacquard guide bars can be used for walking a weft cushion structure and a looping structure.

The existing double needle bar Raschel warp knitting machine adopts latch needles, a guide bar is used for alternately knitting on a front needle bar and a rear needle bar, a spacing belt is formed in the middle, and the knitted fabrics have consistent thickness. Without the intermediate pile stitches attached, then there are also two separate pieces of fabric. Even if jacquard is adopted, great difference cannot be generated on the visual effect of the fabric structure, and the jacquard weaving is more complicated.

The utility model discloses in the embodiment, three merchant of two needle bars card warp knitting machines weave the in-process, both can transfer the first group merchant card sley bar JB1 of preceding needle bar pad weft sley bar to the back needle bed and do the chaining tissue, also can transfer back needle bar pad weft sley bar third group merchant card sley bar JB3 to the preceding needle bed and do the chaining tissue.

In the double-needle bed three-jacquard warp knitting machine, in the jacquard weaving process, according to the jacquard process requirement, the first jacquard guide bar JB1 group of the front needle bed can combine all the yarns in the partial area of the front needle bed onto the needle parts of the back needle bed, and the third jacquard guide bar JB3 group of the back needle bed can also combine all the yarns in the partial area of the back needle bed onto the needle parts of the front needle bed. The front needle bed and the rear needle bed can weave meshes independently and can also weave meshes simultaneously, so that the embossment effect of a jacquard process can be formed, and a stereoscopic pattern rich in concave-convex feeling is realized.

Referring to fig. 1, the double needle bed jacquard warp knitting machine uses compound needles (grooved needles 2, core 3 compound). The loop forming and the loop releasing of the yarn of the grooved needle 2 in the weaving process are actively closed and opened by the needle core 3. When a new looping cycle begins, the grooved needle 2 firstly and quickly rises with the needle core 3, the grooved needle 2 is gradually separated from the needle core 3 in the rising process, and when the head end of the needle core is immersed into the needle groove, the needle opening is completely opened. After that, the slot needle 2 and the needle core 3 continuously and synchronously ascend to the highest position, and the old coil retreats to the needle bar. At this time, the sinker 4 holds the old loop, and the knock-off plate 1 supports the cloth to prevent the loop from moving down. The guide bar 5 is ready to swing to the front of the needle to transversely move the yarn laying, and the yarn is laid in the opened needle opening. After the transverse movement yarn laying is finished, the groove needle 2 descends with the needle core 3 firstly and quickly, the sinker 4 retreats quickly, the groove needle 2 is close to the needle core 3 gradually in the descending process until the hook tip of the groove needle meets the head end of the needle core, and at the moment, the needle opening is completely closed to prevent the yarn in the needle hook from running out of the needle hook. The slot needle 2 and the needle core 3 continue to move downwards at the same speed, and when the needle head is lower than the belly of the sinker 4, the coil is separated from the needle head, and the coil separation is completed. The front and back needle beds of the double-needle-bed warp knitting machine have the same looping principle. If part of the process requires the yarns of the front needle bed to be incorporated in their entirety into the back needle bed during the weaving process, it can happen that there are no yarns on the needles of the front needle bed. Due to the active control of the compound needle (the grooved needle 2 and the needle core 3 are compounded), the opening and closing of the grooved needle 2 can be accurately controlled. So that knitting can be performed as it is even if the front needle bed has no yarn in the case of the grooved needle 2, and it is impossible to continue knitting if the latch needle is used.

The looping needle of the existing double needle bar Raschel machine adopts latch needles, and the latch needles finish the looping and the looping of yarns by the passive movement of needle latches. Referring to fig. 7, when the yarn 8 padded in the hook slides down, the latch 10 is driven to open, the latch needle self-closing prevention steel wire 9 blocks the latch 10 which is bounced up due to loop withdrawal, so that the latch needle 7 is in an open state, and the loop formed by the yarn 8 in the hook can slide down on the needle rod. Referring to fig. 8, when the latch 10 needs the old loop 11 on the needle bar to slide upwards, the latch 10 is lifted upwards to close the mouth of the latch needle, so that the old loop 11 slides on the outer surface of the latch 10 and does not enter the hook, but slides through the needle head to form a loop. Therefore, the latch needle 7 must have new and old stitches continuously alternated during the knitting process to perform normal knitting. When yarn is missing in the hook of the latch needle 7, the opening and closing of the latch needle 7 cannot be accurately guaranteed. When the latch needle 7 is in a closed state, the yarn 8 is laid in the needle hook, and the yarn 8 slides along the outer edge of the closed latch 10, so that the laying failure and the missing stitch are caused. In the case of a miss, the latch 10 cannot be closed without the old loop 11 on the needle bar, and knitting cannot be continued. Therefore, whether the yarns of the front needle bed are combined on the needles of the back needle bed or the yarns of the back needle bed are combined on the needles of the front needle bed, as long as the jacquard process with the relief effect is woven, the colorful and rich three-dimensional patterns can be woven only by using the compound needles (the groove needles 2 and the needle cores 3 are compounded).

Because the characteristics of merchant card device, the single needle of merchant card guide needle has the independent needle selection function, squints left or right side in merchant card sley specific direction, can replace sley bar wobbling sideslip with merchant card single needle skew to reach which merchant card single needle does not participate in weaving, which merchant card guide needle does not need the effect of lapping.

With reference to fig. 2, the yarn guide bar 5 of the double needle bar triple jacquard warp knitting machine is equipped with three jacquard bars: the first jacquard guide bar JB1, the second jacquard guide bar JB2 and the third jacquard guide bar JB3. The jacquard guide bars are separated jacquard guide bars, the three jacquard guide bars can form loops at the front needle bed and the rear needle bed, and each jacquard needle can independently select needles. The first jacquard guide bar JB1 is knitted as a bottom weave in the front needle bed, the second jacquard guide bar JB2 is knitted as a middle plush weave, the third jacquard guide bar JB3 is knitted as a bottom weave in the rear needle bed, and the three jacquard guide bars are matched with the knitted fabrics to be zero, thin, medium and thick. The looping conditions can be divided into the following ones, and fig. 2 will be described in detail with reference to fig. 3, fig. 4, fig. 5, and fig. 6, respectively.

(1) The yarn guide bar 5 is not looped on one grooved needle 2 at the same position of the front needle bed and the back needle bed, the middle part is free of plush tissues, and the thickness of the woven fabric at the position of the grooved needle 2 is zero, namely the mesh. Referring to fig. 2 and 3, in the knitting process, the first jacquard guide bar JB1, the second jacquard guide bar JB2 and the third jacquard guide bar JB3 do not participate in the loop knitting on one grooved needle 2 at the same position of the front needle bed and the back needle bed, and the thickness of the knitted fabric is zero. The mesh size varies with how many successive courses are required for this process.

(2) The yarn guide bar 5 is not looped on one of the front and back needle beds, the other side bottom tissue guide bar is looped on the needle bed, and the thickness of the woven fabric is thin. Referring to fig. 2 and 4, taking the example that the guide bars 5 are not looped on the back needle bed, the bottom structure bars of the front needle bed are knitted and looped on the front needle bed by the first jacquard bar JB1, the second jacquard bar JB2 is not shogging on the front needle bed, and the third jacquard bar JB3 is not shogging on the back needle bed, so that the fabric formed on the front needle bed has the characteristics of a single-needle bed fabric, and the thickness of the woven fabric is the bottom structure thickness a of the front needle bed.

(3) The yarn guide bar 5 is not looped on one of the front and back needle beds, the front and back bottom tissue guide bars are looped on the other needle bed, no plush tissue is arranged in the middle, and the thickness of the woven fabric is medium. Referring to fig. 2 and 5, taking the yarn guide bar 5 as an example of non-looping on the back needle bed, the first group of jacquard guide bar JB1 of the bottom weave guide bar of the front needle bed and the third group of jacquard guide bar JB3 of the bottom weave guide bar of the back needle bed are knitted into loops on the front needle bed at the same time, the second group of jacquard guide bar JB2 is not involved in loop knitting on the front and back needle beds, and the thickness of the knitted fabric is the bottom weave thickness 2a of the front and back needle beds.

(4) The bottom tissue guide bars of the front needle bed and the back needle bed are respectively looped on the needle beds where the bottom tissue guide bars are located, the middle of the bottom tissue guide bars is provided with plush tissues, and the thickness of the woven fabrics is thick. Referring to fig. 2 and 6, the bottom weave bar of the front needle bed is looped at a first set of jacquard bars JB1 and the bottom weave bar of the back needle bed is looped at a second set of jacquard bars JB3. And the second jacquard guide bar JB2 is knitted on the front and back needle beds to form an intermediate pile structure, and the thickness of the knitted fabric is equal to the thickness of the front and back ground structures and the thickness 2a + b of the pile structure.

Wherein, the guide bar 5 of the tricot warp knitting machine of the double needle bar is based on being equipped with three group's merchant card guide bars, all can increase the ground around it and comb as the alternative guide bar. The utility model discloses the configuration of preferably adopting three group merchant card sley bars among the implementation case. In actual production, according to process requirements, a ground bar can be added in front of the first jacquard guide bar JB1 or behind the third jacquard guide bar JB3, or a ground bar can be added at the front and back of the three jacquard guide bars respectively. The number of the ground combs is not limited to one, and can be two, three or more. The ground comb is used for knitting chain weave when the ground comb participates in knitting, and the three jacquard comb groups are used for weft insertion or jacquard weave.

In the specific embodiment of the present invention, the constituent mechanism of the double-needle bar tricot machine and the warp knitting principle thereof are the prior art, and are not described herein. The key of the warp knitting machine capable of realizing various jacquard embossing processes is that the guide bar shogging mechanism, the guide bar hanging frame 6 and the transmission mechanism are mutually matched to move. The guide bar shogging of the double-needle bar three-jacquard warp knitting machine adopts an electronic shogging device, and the guide bar 5 of the electronic shogging device is provided with three groups of jacquard devices, so that different looping requirements of a relief process on front and back needle bars are met. In the knitting process, compared with a latch needle used by the existing double-needle bed Raschel warp knitting machine, the latch needle greatly shortens the stroke of the needle, accelerates the knitting speed, and improves the production efficiency and the fabric quality.

Because of the difference of process design, the let-off yarn volume that different lopping required is different, the utility model discloses the let-off device who adopts preferably adopts the mode that pan head and creel combined together to supply the yarn.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A double needle bar three jacquard warp knitting machine comprises a looping element, and is characterized in that: the looping element consists of a knockover plate, a grooved needle, a needle core, a sinker and a guide bar, the double-needle bed three-jacquard warp knitting machine uses a composite needle, the composite needle comprises the grooved needle and the needle core, and the yarn looping and the knockover of the grooved needle in the weaving process are actively closed and opened by the needle core.

2. A double needle bed three jacquard warp knitting machine according to claim 1, characterized in that: the yarn guide bar of the double-needle-bed three-jacquard warp knitting machine is provided with three jacquard guide bars, the jacquard guide bars are separated jacquard guide bars, the three jacquard guide bars can be looped on a front needle bed and a rear needle bed, each jacquard needle can be selected independently, in the jacquard weaving process, according to the jacquard process requirements, the front jacquard guide bar of the front needle bed can combine all yarns in a partial area of the front needle bed onto a needle piece of the rear needle bed, the rear jacquard guide bar of the rear needle bed can also combine all yarns in a partial area of the rear needle bed onto a needle piece of the front needle bed, meshes can be independently woven by the front needle bed and the rear needle bed, and can be woven by the meshes simultaneously, so that the embossing effect of the jacquard weaving process can be formed, a stereoscopic pattern rich in concave-convex feeling is achieved, the front and the rear jacquard guide bars can be used as front and rear bottom tissues respectively, the middle jacquard guide bar can be used as a jacquard weave, and the woven fabrics have zero thickness, thin thickness, medium thickness and thick thickness.

3. A double-bed three-jacquard warp knitting machine according to claim 2, characterized in that: the yarn guide bar of the double-needle bed three-jacquard warp knitting machine is provided with three jacquard guide bars as a base, and ground bars can be additionally arranged at the front and the rear of the guide bar.

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