CN216514470U

CN216514470U - Double-needle-bed warp knitting device adopting compound needles and warp knitting spacer fabric cloth thereof

Info

Publication number: CN216514470U
Application number: CN202122479048.3U
Authority: CN
Inventors: 柯文新; 林恩平; 苏成喻
Original assignee: FUJIAN JINJIANG HUAYU WEAVING CO LTD
Current assignee: FUJIAN JINJIANG HUAYU WEAVING CO LTD
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-13
Anticipated expiration: 2031-10-14
Also published as: DE202021106369U1

Abstract

The utility model provides a double-needle bed warp knitting device adopting composite needles and a warp knitting spacer fabric cloth thereof, which solve the problems of inconvenient adjustment of warp knitting looping size and the like and comprise a guide bar and looping mechanisms which are symmetrically arranged below the guide bar, wherein the looping mechanisms are respectively provided with a sinker and a composite needle opposite to the sinker, the composite needle is provided with a lifting mechanism, the upper end of the sinker is provided with a first traction groove and a second traction groove, the end of the composite needle is provided with a needle hook with an opening opposite to the sinker, the composite needle is provided with a needle core in a sliding way, a linkage mechanism which slides the needle core along with the swing of the composite needle is arranged between the needle core and the lifting mechanism, and the lifting mechanism is provided with an adjusting mechanism for adjusting the lifting range of the composite needle. The utility model has the advantages of high working efficiency, convenient adjustment of the size of the formed ring and the like.

Description

Double-needle-bed warp knitting device adopting compound needles and warp knitting spacer fabric cloth thereof

Technical Field

The utility model belongs to the technical field of knitting equipment, and particularly relates to a double-needle-bed warp knitting device adopting compound needles and warp knitting spacer fabric cloth of the double-needle-bed warp knitting device.

Background

The main knitting elements of the warp knitting machine are knitting needles, guide needles, sinkers and hold-down plates. The knitting needles are arranged on the needle bed in a row and move along with the needle bed. The guide needles are mounted on the slats to form guide bars. The warp yarns pass through the eyelets of the guide needles, are fed with the guide bar to be wound around the needles, and are knitted into a fabric by the cooperative movement of knitting members such as knitting needles and sinkers. The existing warp knitting machines can be divided into single-needle bed warp knitting machines and double-needle bed warp knitting machines according to the number of needle beds, and can be divided into crochet needle warp knitting machines, latch needle warp knitting machines and compound needle warp knitting machines according to the types of needles. In the actual use process, the looping size of the looping mechanism of the existing warp knitting machine is single, and the requirement for realizing complex knitting cannot be met. In addition, conventional warp knitting machines work less efficiently.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a double needle bed warp knitting machine knitting mechanism [201720296701.3] for knitting leggings, which includes a looping mechanism and a guide bar mechanism; the looping mechanism comprises a front looping needle and a rear looping needle which are symmetrically arranged, a front knitting needle and a rear knitting needle which are symmetrically arranged, a front sinker and a rear sinker which are symmetrically arranged, and a front looping main shaft and a rear looping main shaft which are symmetrically arranged, the guide bar mechanism comprises a guide bar seat and a plurality of guide bars which are arranged on the guide bar seat, the guide bar mechanism is provided with three guide bars, and the three guide bars are a first ground guide bar, a second jacquard guide bar and a third ground guide bar in sequence from the front to the rear of the machine; the second jacquard guide bar is a split jacquard guide bar, and the guide bar mechanism forms four working lines, wherein the first ground guide bar and the third ground guide bar form two working lines, and the second jacquard guide bar forms two working lines.

The scheme solves the problem of low working efficiency of the warp knitting machine to a certain extent, but the scheme still has a plurality of defects, such as incapability of adjusting the size of a warp knitting loop in time and the like.

Disclosure of Invention

The utility model aims to solve the problems and provides a double-needle bed warp knitting device which is reasonable in design and convenient to adjust the size of warp knitting loops and adopts composite needles.

Another object of the present invention is to address the above problems and provide a warp-knitted spacer fabric with complex texture.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an adopt two needle beds warp knitting device of compound needle, including the sley bar and set up the lopping mechanism that just is the symmetry and sets up in the sley bar below, lopping mechanism has sinker and the compound needle relative with the sinker respectively, compound needle is equipped with elevating system, open the sinker upper end has first traction groove and second traction groove, compound needle end department is provided with the pintle hook that the opening is relative with the sinker, compound needle has the nook closing member through slidable mounting, be provided with the link gear who slides the nook closing member along with the swing of compound needle between nook closing member and the elevating system, elevating system is equipped with the adjustment mechanism of adjustment compound needle lifting range. Two drawing grooves are arranged on sinkers in the symmetrically arranged looping mechanisms and are matched with compound needles to adjust the warping and knitting looping calibers.

In the double needle bed warp knitting device using the composite needle, the first drawing groove and the second drawing groove at the upper end of the sinker are obliquely arranged relative to the vertical direction, the openings of the first drawing groove and the second drawing groove are opposite to the needle hooks of the composite needle, the second drawing groove is far away from the composite needle relative to the first drawing groove, and the openings of the first drawing groove and the second drawing groove are respectively provided with the arc-shaped guiding edges. The sinker is used for drawing the coil, the coil horizontally slides, and the angle relative to the horizontal plane can be adjusted, so that accurate positioning of the knitting line is ensured.

In the above-mentioned double needle bed warp knitting device using the compound needle, the sinker has a fixing hole and a fixing groove at a position away from the compound needle, the fixing groove is arc-shaped and has a center matching with the center of the fixing hole, and the fixing groove is disposed at a side close to the compound needle relative to the fixing hole. The fixing hole and the fixing groove are used for being connected with the sliding driving structure, and the angle of the sinker and the angle of the first traction groove and the angle of the second traction groove of the sinker can be adjusted.

In foretell two-needle bed warp knitting device who adopts compound needle, compound needle includes relative preceding needle body and the back needle body of buckling, and the hook setting is provided with first rotating sleeve in preceding needle body end department, back needle body end department, and preceding needle body is provided with the second rotating sleeve with back needle body handing-over department. The whole compound needle is of a bent structure, so that the angle of the needle hook is convenient to adjust, and the needle is convenient to guide to withdraw.

In the above-mentioned double needle bed warp knitting device using the compound needle, the lifting mechanism includes a lifting plate connected to the driving mechanism, a rotating shaft rotatably connected to the first rotating sleeve is provided at one side of the lifting plate, an eccentric wheel driven by a reduction motor is mounted on the lifting plate, and the eccentric wheel is rotatably connected to the second rotating sleeve through a transmission rod. The eccentric wheel in the lifting mechanism realizes the periodic swing of the compound needle and keeps consistent with the slippage frequency of the sinker.

In the above-mentioned double needle bed warp knitting machine using the compound needle, the driving mechanism is one or a combination of a plurality of pneumatic driving, screw driving and belt wheel driving. And selecting a proper driving mode according to actual requirements so that the compound needle obtains the optimal lifting stability.

In foretell double needle bed warp knitting device who adopts compound needle, the link gear is including setting up the slip cap at the nook closing member lower extreme of compound needle, be provided with reset spring between the sliding tray at slip cap and nook closing member place, the slip cap is connected with the eccentric wheel through acting as go-between, it coils with a plurality of drive wheels that set gradually on the lifter plate to act as go-between, adjustment mechanism is including setting up the regulation seat in the lifter plate below, adjust seat and lifter plate sliding connection, the regulation groove that has a plurality of vertical settings is opened respectively to regulation seat both sides, the lifter plate both sides are provided with the regulating block of slip grafting in the regulation groove, be provided with the regulating plate that is located the regulating block below and laminates with the regulating groove in the regulation seat, threaded connection has the adjust knob who compresses tightly with the regulation seat on the regulating plate. The linkage mechanism drives the needle core to move, thereby realizing the opening and closing of the needle hook and guiding the knitting yarn to form a loop. The adjusting mechanism is used for limiting the lifting range of the composite board and avoiding the movement dislocation of the composite needle.

In the above-mentioned double needle bed warp knitting apparatus using the compound needle, the guide bar has the ground guide bar GB1, the ground guide bar GB2 and the jacquard guide bar JB1-1 which are sequentially arranged in the clockwise direction, the guide bar has the guide bar ground guide bar GB5, the ground guide bar GB6 and the jacquard guide bar JB1-2 which are sequentially arranged in the counterclockwise direction, and the ground guide bar GB4 is provided between the jacquard guide bar JB1-1 and the jacquard guide bar JB 1-2. The guide bars correspond to the looping mechanisms one by one, and the working efficiency of the warp knitting device is ensured.

A warp-knitted spacer fabric mesh comprises a mesh main body, wherein the mesh main body is manufactured by the double-needle bed warp knitting device adopting the compound needles.

In the warp-knitted spacer fabric described above, the fabric main body is knitted by the jacquard guide bar JB1-1 and the jacquard guide bar JB1-2 in a loop-laying manner on the front and rear needle beds, the ground guide bar GB1 and the ground guide bar GB2 are knitted in a loop-laying manner on the front needle bed to form the top layer, the ground guide bar GB4 is knitted in a loop-laying manner on the front and rear needle beds to form the middle layer, and the guide bar ground guide bar GB5 and the ground guide bar GB6 are knitted in a loop-laying manner on the rear needle bed to form the bottom layer. The net cloth main body is formed by guiding yarns by a guide bar to be wound around the compound needle lapping yarns, a sinker presses a coil, and an adjusting mechanism adjusts the moving range and the loop forming size of the compound needle.

Compared with the prior art, the utility model has the advantages that: the sinker with double traction grooves is matched with the rotatable composite needle, so that the size of a warp knitting loop can be adjusted, and the requirement of complex warp knitting is met; the compound needle synchronously swings when being lifted and is consistent with the movement of the sinker, so that the warp knitting stability is ensured; the looping mechanism and the guide bar are of a symmetrical structure, so that the warp knitting device has higher working efficiency.

Drawings

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

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is another partial schematic view of the present invention;

FIG. 4 is a schematic structural view of the composite needle of the present invention;

FIG. 5 is a schematic view of the construction of the guide bar of the present invention;

in the figure, a guide bar 1, a looping mechanism 2, a sinker 3, a first traction groove 31, a second traction groove 32, an arc-shaped guide edge 33, a fixing hole 34, a fixing groove 35, a compound needle 4, a needle hook 41, a needle core 42, a front needle body 43, a rear needle body 44, a first rotating sleeve 45, a second rotating sleeve 46, a lifting mechanism 5, a lifting plate 51, a rotating shaft 52, an eccentric wheel 53, a transmission rod 54, a linkage mechanism 6, a traction spring 61, a sliding groove 62, a return spring 63, a transmission wheel 64, an adjusting mechanism 7, an adjusting seat 71, an adjusting groove 72, an adjusting block 73, an adjusting plate 74 and an adjusting knob 75.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, a double needle bed warp knitting device using compound needles comprises a guide bar 1 and looping mechanisms 2 which are symmetrically arranged below the guide bar 1, wherein the looping mechanisms 2 are respectively provided with a sinker 3 and a compound needle 4 opposite to the sinker 3, the compound needle 4 is provided with a lifting mechanism 5, the upper end of the sinker 3 is provided with a first pulling groove 31 and a second pulling groove 32, the end of the compound needle 4 is provided with a needle hook 41 with an opening opposite to the sinker 3, the compound needle 4 is provided with a needle core 42 through sliding installation, a linkage mechanism 6 which slides the needle core 42 along with the swing of the compound needle 4 is arranged between the needle core 42 and the lifting mechanism 5, and the lifting mechanism 5 is provided with an adjusting mechanism 7 which adjusts the lifting range of the compound needle 4. The sinker 3 slides in the horizontal direction, wherein the guide bar 1 carries out the shogging of sideslip, and compound needle 4 goes up and down, and the knitting line is looped in the guide of the hook 41 in the lift process. The linkage mechanism 6 can realize the angle adjustment of the composite needle 4, is convenient for the knitting needle to be quickly separated, and can adjust the moving range and frequency of the sinker 3 and the lifting range and frequency of the composite needle 4 according to actual requirements to realize a complex warp knitting process.

Specifically, the first pulling groove 31 and the second pulling groove 32 at the upper end of the sinker 3 are arranged obliquely relative to the vertical direction and have openings opposite to the needle hook 41 of the compound needle 4, the second pulling groove 32 is far away from the compound needle 4 relative to the first pulling groove 31, and the openings of the first pulling groove 31 and the second pulling groove 32 are respectively provided with an arc-shaped guiding edge 33. The first traction groove 31 and the second traction groove 32 meet the requirements of pulling loops with different sizes, and are opposite to the needle hook 41 of the compound needle 4, and the needle core 42 slides to realize the limit guiding of the knitting threads.

The sinker 3 is provided with a fixing hole 34 and a fixing groove 35 at a position far away from the compound needle 4, the fixing groove 35 is arc-shaped, the center of the fixing groove 35 is matched with the center of the fixing hole 34, and the fixing groove 35 is arranged at one side close to the compound needle 4 relative to the fixing hole 34. The fixing hole 34 and the fixing groove 35 on the sinker 3 are fixed by a screw thread piece, and the angle of the sinker 3 and the first pulling groove 31 and the second pulling groove 32 relative to the horizontal plane can be adjusted, so that the knitting yarn can smoothly slide into the first pulling groove 31 or the second pulling groove 32.

Further, the compound needle 4 comprises a front needle body 43 and a rear needle body 44 which are bent relatively, the needle hook 41 is arranged at the end of the front needle body 43, the end of the rear needle body 44 is provided with a first rotating sleeve 45, and the joint of the front needle body 43 and the rear needle body 44 is provided with a second rotating sleeve 46. The front needle body 43 and the rear needle body 44 of the compound needle 4 are connected into a whole, and the needle core 42 slides relative to the front needle body 43.

Furthermore, the lifting mechanism 5 comprises a lifting plate 51 connected with the driving mechanism, a rotating shaft 52 rotatably connected with the first rotating sleeve 45 is arranged on one side of the lifting plate 51, an eccentric wheel 53 driven by a speed reducing motor is mounted on the lifting plate 51, and the eccentric wheel 53 is rotatably connected with the second rotating sleeve 46 through a transmission rod 54. The eccentric wheel 53 rotates to pull the transmission rod 54, so that the angle of the compound needle 4 relative to the lifting plate 51 is adjusted, and the knitting line can be conveniently withdrawn.

Besides, the driving mechanism is one or a combination of a plurality of pneumatic driving, screw driving and belt wheel driving. The driving mechanism drives the lifting mechanism 5 to lift up and down, and the lifting frequency of the lifting mechanism is consistent with the moving frequency of the sinker 3.

Meanwhile, the linkage mechanism 6 comprises a sliding sleeve 61 arranged at the lower end of a needle core 42 of the compound needle 4, a reset spring 63 is arranged between the sliding groove 62 where the sliding sleeve 61 and the needle core 42 are located, the sliding sleeve 61 is connected with an eccentric wheel 53 through a pull wire, the pull wire is coiled with a plurality of driving wheels 64 sequentially arranged on a lifting plate 51, the adjusting mechanism 7 comprises an adjusting seat 71 arranged below the lifting plate 51, the adjusting seat 71 is connected with the lifting plate 51 in a sliding manner, a plurality of vertically arranged adjusting grooves 72 are respectively formed in two sides of the adjusting seat 71, adjusting blocks 73 slidably inserted in the adjusting grooves 72 are arranged in two sides of the lifting plate 51, an adjusting plate 74 which is positioned above and below the adjusting blocks 73 and attached to the adjusting grooves 72 is arranged in the adjusting seat 71, and an adjusting knob 75 tightly pressed with the adjusting seat 71 is connected to the adjusting plate 74 through threads. The linkage mechanism 6 pulls the sliding sleeve 61 to pull the stylet 42 to slide relative to the compound needle 4.

It is apparent that the guide bar 1 has a ground guide bar GB1, a ground guide bar GB2 and a jacquard guide bar JB1-1 arranged in sequence in a clockwise direction, the guide bar 1 has a guide bar ground guide bar GB5, a ground guide bar GB6 and a jacquard guide bar JB1-2 arranged in sequence in a counterclockwise direction, and the ground guide bar GB4 is arranged between the jacquard guide bar JB1-1 and the jacquard guide bar JB 1-2. The upper end of the compound needle 4 is coated with a protective film made of DLC material, and the guide bar 1 is of a symmetrical structure. The protective film is a diamond-like coating, so that the wear resistance and the lubricity of the end of the composite needle 4 are improved, and the friction between the knitting yarn and the composite needle 4 is reduced. The looping mechanism 2 is symmetrical relative to the guide bar 1, and the continuous work of the warp knitting device is realized through alternate operation.

Preferably, the mesh body is knitted by jacquard guide bar JB1-1 and jacquard guide bar JB1-2 in loop knitting on the front and back needle beds, ground guide bar GB1 and ground guide bar GB2 in loop knitting on the front needle bed to form the top layer, and ground guide bar GB4 in loop knitting on the front and back needle beds to form the middle layer, and guide bar GB5 and ground guide bar GB6 in loop knitting on the back needle bed to form the bottom layer. The mesh cloth main body is padded with yarns by a guide bar 1 around a compound needle 4, a sinker 3 presses a coil, and an adjusting mechanism 7 adjusts the moving range and the loop forming size of the compound needle 4.

In summary, the principle of the present embodiment is: sley bar 1 and looping mechanism 2 are symmetrical structure, are provided with first tractive groove 31 and second tractive groove 32 on wherein the sinker 3 of looping mechanism 2, satisfy the demand of the different looping sizes of compound needle 4 through adjusting the displacement range, and compound needle 4 is at the adjustable relative horizontal angle of lift threading in-process, and cooperation link gear 6 guarantees that the knitting line steadily moves back the needle.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the guide bar 1, the looping mechanism 2, the sinker 3, the first pulling groove 31, the second pulling groove 32, the arc-shaped guide edge 33, the fixing hole 34, the fixing groove 35, the compound needle 4, the hook 41, the needle core 42, the front needle body 43, the rear needle body 44, the first rotating sleeve 45, the second rotating sleeve 46, the elevating mechanism 5, the elevating plate 51, the rotating shaft 52, the eccentric wheel 53, the transmission rod 54, the link mechanism 6, the pulling spring 61, the sliding groove 62, the return spring 63, the transmission wheel 64, the adjusting mechanism 7, the adjusting seat 71, the adjusting groove 72, the adjusting block 73, the adjusting plate 74, the adjusting knob 75, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A double-needle bed warp knitting device adopting compound needles, which comprises a guide bar (1) and loop forming mechanisms (2) which are symmetrically arranged below the guide bar (1), the looping mechanism (2) is respectively provided with a sinker (3) and a compound needle (4) opposite to the sinker (3), it is characterized in that the compound needle (4) is provided with a lifting mechanism (5), the upper end of the sinker (3) is provided with a first traction groove (31) and a second traction groove (32), the end of the compound needle (4) is provided with a needle hook (41) with an opening opposite to the sinker (3), the compound needle (4) is provided with a needle core (42) through sliding, a linkage mechanism (6) which slides the needle core (42) along with the swing of the compound needle (4) is arranged between the needle core (42) and the lifting mechanism (5), the lifting mechanism (5) is provided with an adjusting mechanism (7) for adjusting the lifting range of the compound needle (4).

2. The double needle bed warp knitting device using composite needles as claimed in claim 1, wherein the first pulling groove (31) and the second pulling groove (32) at the upper end of the sinker (3) are disposed obliquely with respect to the vertical direction and have openings opposite to the needle hooks (41) of the composite needles (4), the second pulling groove (32) is away from the composite needles (4) with respect to the first pulling groove (31), and the openings of the first pulling groove (31) and the second pulling groove (32) are respectively provided with arc-shaped guiding edges (33).

3. A double needle bed warp knitting device using compound needles according to claim 2, characterized in that the sinker (3) is provided with a fixing hole (34) and a fixing groove (35) far from the compound needles (4), the fixing groove (35) is arc-shaped and the center of the fixing groove coincides with the center of the fixing hole (34), and the fixing groove (35) is disposed at a side close to the compound needles (4) relative to the fixing hole (34).

4. A double needle bed warp knitting device using compound needles according to claim 1, characterized in that said compound needles (4) comprise a front needle body (43) and a rear needle body (44) which are bent relatively, said needle hooks (41) are arranged at the end of the front needle body (43), said rear needle body (44) is provided with a first rotating sleeve (45), and the junction of the front needle body (43) and the rear needle body (44) is provided with a second rotating sleeve (46).

5. A double needle bed warp knitting machine with compound needles according to claim 4 characterized in that said lifting mechanism (5) comprises a lifting plate (51) connected to a driving mechanism, a rotating shaft (52) rotatably connected to the first rotating sleeve (45) is provided on one side of said lifting plate (51), an eccentric (53) driven by a reduction motor is mounted on said lifting plate (51), and said eccentric (53) is rotatably connected to the second rotating sleeve (46) through a transmission rod (54).

6. A double needle bed warp knitting apparatus using compound needles as claimed in claim 5 wherein said driving mechanism is one or more of a combination of pneumatic drive, screw drive, pulley drive.

7. The double needle bed warp knitting device using the compound needles as claimed in claim 5, characterized in that the linkage mechanism (6) comprises a sliding sleeve (61) disposed at the lower end of the needle core (42) of the compound needle (4), a return spring (63) is disposed between the sliding sleeve (61) and a sliding groove (62) where the needle core (42) is located, the sliding sleeve (61) is connected with an eccentric wheel (53) through a pull wire, the pull wire is coiled with a plurality of driving wheels (64) sequentially disposed on the lifting plate (51), the adjusting mechanism (7) comprises an adjusting seat (71) disposed below the lifting plate (51), the adjusting seat (71) is slidably connected with the lifting plate (51), a plurality of vertically disposed adjusting grooves (72) are respectively disposed at both sides of the adjusting seat (71), adjusting blocks (73) slidably inserted in the adjusting grooves (72) are disposed at both sides of the lifting plate (51), adjust seat (71) in be provided with and be located regulating block (73) below and with regulating groove (72) laminating regulating plate (74), regulating plate (74) go up threaded connection have with adjust seat (71) adjust knob (75) that compress tightly.

8. The warp knitting apparatus with two needle beds using compound needles as claimed in claim 1, wherein said guide bar (1) has a ground guide bar GB1, a ground guide bar GB2 and a jacquard guide bar JB1-1 arranged in sequence in a clockwise direction, said guide bar (1) has a ground guide bar GB5, a ground guide bar GB6 and a jacquard guide bar JB1-2 arranged in sequence in a counterclockwise direction, and a ground guide bar GB4 is arranged between said jacquard guide bars JB1-1 and JB 1-2.

9. A warp-knitted spacer fabric web comprising a web body, characterized in that said web body is produced by a double needle bed warp knitting device using compound needles according to any of the preceding claims 1 to 8.

10. The warp-knitted spacer fabric mesh fabric according to claim 9, wherein said mesh body is knit by padding and looping at the front and rear needle beds by means of jacquard comb bars JB1-1 and JB1-2, said ground comb bars GB1 and GB2 are knit by padding and looping at the front needle bed to form a face layer, said ground comb bars GB4 are knit by padding and looping at the front and rear needle beds to form a middle layer, and said guide bar ground comb bars GB5 and GB6 are knit by padding and looping at the rear needle bed to form a bottom layer.