CN102061561A - Chain drive weft-laying mechanism of warp knitting machine - Google Patents
Chain drive weft-laying mechanism of warp knitting machine Download PDFInfo
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- CN102061561A CN102061561A CN 201110045124 CN201110045124A CN102061561A CN 102061561 A CN102061561 A CN 102061561A CN 201110045124 CN201110045124 CN 201110045124 CN 201110045124 A CN201110045124 A CN 201110045124A CN 102061561 A CN102061561 A CN 102061561A
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- weft
- knitting machine
- warp knitting
- pinch roller
- pin piece
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Abstract
The invention discloses a chain drive weft-laying mechanism of a warp knitting machine. The mechanism comprises a support beam, a baffle plate, a needle bed and a weft needle block, wherein, a weft layer passes through the weft needle block, and then the weft layer is towed by a weft-laying trolley to be laid between crossbeam guide rails of the warp knitting machine; the weft-laying mechanism is further equipped with a yarn pressing mechanism which can apply downward pressure on the weft layer laid between the crossbeam guide rails of the warp knitting machine so as to lower the height of the weft layer to the bottom of a needle part of the weft needle block; the yarn pressing mechanism comprises two small shafts, two supporting plates fixedly arranged outside the baffle plate, and two pressing wheels positioned at the inner side of the weft needle block; one end of each small shaft is fixedly connected with each supporting plate, the pressing wheels are rotatablely arranged on the other end of each small shaft, and the lowest point at the periphery of each pressing wheel is leveled with the bottom of the needle part of the weft needle block; and the small shafts, the supporting plates and the pressing wheels are symmetrically arranged along the warp knitting machine. The chain drive weft-laying mechanism has simple structure, is convenient in manufacture and installation, is applicable to high-speed knitting, and can prevent the drop stitching of a compound needle, thus the mechanism can be popularized and used in the warp knitting machine.
Description
Technical field
The present invention relates to a kind of Weft laying mechanism of warp knitting machine, particularly relate to a kind of chain transmission Weft laying mechanism that mainly is applicable to multiple-axial warp knitting machine.
Background technology
The chain transmission Weft laying mechanism of existing multiple-axial warp knitting machine comprises backbar, is fixedly mounted on the baffle plate in the described backbar outside, is positioned at the needle stand of described backbar top and is fixedly mounted on weft yarn pin piece on the described needle stand; Weft layers is passed described weft yarn pin piece after the Weft laying trolley tractive is laid between the warp knitting machine beam guideway.The Weft laying mechanism of this structure, because Weft laying trolley is when the latitude of shop, the height that is laid on the weft layers between the warp knitting machine beam guideway is higher, it maintains an equal level highly usually and on the pin portion of weft yarn pin piece, therefore when carrying out the lopping braiding, the traverse of compound needle is strengthened, thereby limit the raising of warp knitting machine machine speed greatly, this Weft laying mechanism can not be fit to braiding at a high speed, on the other hand, when laying the multilayer weft yarn, because blocked up weft layers often exceeds the closing position of compound needle, therefore very easily produce dropped stitch, thereby reduce the stability of fabric quality and braiding greatly.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of can reaching with simple structure, lower cost can not only be fit to braiding at a high speed, and can avoid the warp knitting machine chain transmission Weft laying mechanism of the good result of compound needle dropped stitch when laying the multilayer weft yarn.
For solving the problems of the technologies described above, the present invention adopts so a kind of warp knitting machine chain transmission Weft laying mechanism, comprise backbar, be fixedly mounted on the baffle plate in the described backbar outside, be positioned at the needle stand of described backbar top and be fixedly mounted on weft yarn pin piece on the described needle stand; Weft layers is passed described weft yarn pin piece after the Weft laying trolley tractive is laid between the warp knitting machine beam guideway, and this Weft laying mechanism also is provided with one and can applies downward pressure and make it highly drop to the yarn pressing mechanism of the pin portion bottom of described weft yarn pin piece being laid on weft layers between the described warp knitting machine beam guideway.
As a kind of preferred implementation of the present invention, described yarn pressing mechanism comprises the little axle that is positioned at described weft yarn pin piece top, be fixedly mounted on the supporting plate in the described baffle plate outside and be positioned at the pinch roller of described weft yarn pin piece inboard; One end of described little axle is fixedlyed connected with described supporting plate, and described pinch roller is installed in the other end of described little axle rotationally, and the pin portion bottom of the minimum point height of described pinch roller outer rim and described weft yarn pin piece maintains an equal level; Little axle in the described yarn pressing mechanism, supporting plate and pinch roller have two and vertically be symmetrical arranged along warp knitting machine respectively.
In the present invention, offer two jump ring grooves spaced apart respectively on the axle body of described little axle axle head and in the endoporus of pinch roller, two jump rings are embedded respectively in described two jump ring grooves, are provided with a deep groove ball bearing between described two jump rings.
After adopting such structure, because this Weft laying mechanism is provided with a yarn pressing mechanism that makes the weft layers height drop to the pin portion bottom of weft yarn pin piece, yarn pressing mechanism of the present invention preferably is made of little axle, supporting plate and pinch roller, and the pin portion bottom of the minimum point height of pinch roller outer rim and weft yarn pin piece maintains an equal level.Weft laying trolley is when the latitude of shop like this, along with weft layers moves to the knitting zone direction under chain drives, when the weft layers excessive height that is laid between the warp knitting machine beam guideway, for example be positioned at pin portion when upper end of weft yarn pin piece, weft layers can be pressed into the pin portion bottom of weft yarn pin piece by the pinch roller in the yarn pressing mechanism, the height that makes weft layers drops to pin portion bottom by the pin portion upper end of weft yarn pin piece, carry out the traverse that the lopping braiding time can be shortened compound needle greatly when weft layers enters looping mechanism like this, weave thereby this Weft laying mechanism can be fit to high speed; In addition, when laying the multilayer weft yarn, because each weft layers all is subjected to the downward pressure that pinch roller applies, so that weft layers is superimposed closely, integral thickness diminishes, and when carrying out the lopping braiding, the peak of weft layers is all the time under the compound needle closing point like this, therefore avoid the generation of compound needle snagging effectively, guaranteed the quality of fabric and the stability of braiding.And, simple in structure because yarn pressing mechanism has only several parts to constitute in this Weft laying mechanism, to be convenient to install, cost is also lower.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is a kind of structural representation of warp knitting machine chain transmission Weft laying mechanism of the present invention.
Fig. 2 is the schematic perspective view of yarn pressing mechanism among Fig. 1.
Fig. 3 is the schematic perspective view of the another kind of embodiment of yarn pressing mechanism in the warp knitting machine chain transmission Weft laying mechanism of the present invention.
The specific embodiment
Referring to Fig. 1 to a kind of warp knitting machine chain transmission Weft laying mechanism shown in Figure 3, comprise backbar 1, be installed in the baffle plate 2 in described backbar 1 outside by bolting, be positioned at the needle stand 3 of described backbar 1 top and be fixedly mounted on weft yarn pin piece 4 on the described needle stand 3; Weft layers 5 is passed described weft yarn pin piece 4 after the Weft laying trolley tractive is laid between the warp knitting machine beam guideway, and this Weft laying mechanism also is provided with one and can applies downward pressure and make it highly drop to the yarn pressing mechanism 6 of the pin portion bottom of described weft yarn pin piece 4 being laid on weft layers 5 between the described warp knitting machine beam guideway.
As a kind of preferred implementation of the present invention, described yarn pressing mechanism 6 comprises the little axle 6-1 that is positioned at described weft yarn pin piece 4 tops, is installed in the supporting plate 6-2 in described baffle plate 2 outsides and is positioned at the pinch roller 6-3 of described weft yarn pin piece 4 inboards by bolting; The end of described little axle 6-1 is fixedlyed connected with described supporting plate 6-2, described pinch roller 6-3 is installed in the other end of described little axle 6-1 rotationally, the pin portion bottom of the minimum point height of described pinch roller 6-3 outer rim and described weft yarn pin piece 4 maintains an equal level, and promptly both equate with respect to the height on ground; Little axle 6-1, supporting plate 6-2 in the described yarn pressing mechanism 6 and pinch roller 6-3 have two and vertically be symmetrical arranged along warp knitting machine respectively.In the present invention, described pinch roller 6-3 is preferably cylindrical, and its outer rim is circular; In addition, the present invention is by offering two jump ring grooves 7 spaced apart respectively on the axle body of described little axle 6-1 axle head and in the endoporus of pinch roller 6-3, two jump rings 8 are embedded respectively in described two jump ring grooves 7, between described two jump rings 8, be provided with a deep groove ball bearing 9, this mounting structural mode makes described pinch roller 6-3 be installed in the other end of described little axle 6-1 rotationally, as shown in Figure 1.
Yarn pressing mechanism 6 of the present invention also can adopt other structure, for example can adopt the supporting plate 6-2 that is installed in described baffle plate 2 outsides by bolting, L shaped connecting plate 6-4 and arc schlagblech 6-5, as shown in Figure 3, the end of described L shaped connecting plate 6-4 is fixedlyed connected with described supporting plate 6-2, described arc schlagblech 6-5 is fixedly mounted on the other end of described L shaped connecting plate 6-4, the pin portion bottom of the minimum point height of the extrados of described arc schlagblech 6-5 and described weft yarn pin piece 4 maintains an equal level, the supporting plate 6-2 in the described yarn pressing mechanism 6, L shaped connecting plate 6-4 and arc schlagblech 6-5 have two and vertically be symmetrical arranged along warp knitting machine respectively.
Referring to Fig. 1,2, the present invention is when work, and the pin portion bottom of the minimum point height of pinch roller 6-3 outer circumference surface and described weft yarn pin piece 4 maintains an equal level, and pinch roller 6-3 bottom is that line contacts with weft layers 5, along with weft layers 5 moves to the knitting zone direction, pinch roller 6-3 is subjected to the frictional force effect and rotation thereupon.When weft layers 5 is positioned at the pin portion upper end of weft yarn pin piece and during excessive height, weft layers 5 is pressed into the bottom by pinch roller 6-3, after weft layers 5 is subjected to downward pressure that pinch roller 6-3 applies, its height drops to pin portion bottom by the pin portion upper end of weft yarn pin piece, like this when carrying out the lopping braiding, the peak of weft layers 5 under the compound needle closing point, can not only be fit to braiding at a high speed thereby this Weft laying mechanism has been reached all the time, and can avoid the good result of compound needle dropped stitch when laying the multilayer weft yarn.The present invention applicable to multiaxis to and twin shaft to etc. warp knitting machine.
The present invention has obtained good effect through on probation.
Claims (3)
1. warp knitting machine chain transmission Weft laying mechanism, comprise backbar (1), be fixedly mounted on the baffle plate (2) in described backbar (1) outside, be positioned at the needle stand (3) of described backbar (1) top and be fixedly mounted on weft yarn pin piece (4) on the described needle stand (3); Weft layers (5) passes described weft yarn pin piece (4) after the Weft laying trolley tractive is laid between the warp knitting machine beam guideway, it is characterized in that: this Weft laying mechanism also is provided with one and can applies downward pressure and make it highly drop to the yarn pressing mechanism (6) of the pin portion bottom of described weft yarn pin piece (4) being laid on weft layers (5) between the described warp knitting machine beam guideway.
2. warp knitting machine chain transmission Weft laying mechanism according to claim 1 is characterized in that: described yarn pressing mechanism (6) comprises the little axle (6-1) that is positioned at described weft yarn pin piece (4) top, be fixedly mounted on the supporting plate (6-2) in described baffle plate (2) outside and be positioned at the pinch roller (6-3) of described weft yarn pin piece (4) inboard; One end of described little axle (6-1) is fixedlyed connected with described supporting plate (6-2), described pinch roller (6-3) is installed in the other end of described little axle (6-1) rotationally, and the minimum point height of described pinch roller (6-3) outer rim and the pin portion bottom of described weft yarn pin piece (4) maintain an equal level; Little axle (6-1), supporting plate (6-2) and pinch roller (6-3) in the described yarn pressing mechanism (6) has two and vertically be symmetrical arranged along warp knitting machine respectively.
3. warp knitting machine chain transmission Weft laying mechanism according to claim 2, it is characterized in that: on the axle body of described little axle (6-1) axle head and in the endoporus of pinch roller (6-3), offer two jump ring grooves (7) spaced apart respectively, two jump rings (8) are embedded respectively in described two jump ring grooves (7), are provided with a deep groove ball bearing (9) between described two jump rings (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045124 CN102061561A (en) | 2011-02-25 | 2011-02-25 | Chain drive weft-laying mechanism of warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045124 CN102061561A (en) | 2011-02-25 | 2011-02-25 | Chain drive weft-laying mechanism of warp knitting machine |
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| Publication Number | Publication Date |
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| CN102061561A true CN102061561A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110045124 Pending CN102061561A (en) | 2011-02-25 | 2011-02-25 | Chain drive weft-laying mechanism of warp knitting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828343A (en) * | 2012-09-29 | 2012-12-19 | 常州市润源经编机械有限公司 | Weft paving device of warp knitting machine |
| CN105970472A (en) * | 2016-06-20 | 2016-09-28 | 常州市新创复合材料有限公司 | Carbon fiber multi-axial chain transmission device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793158A (en) * | 1986-12-05 | 1988-12-27 | Liba Maschinenfabrik Gmbh | Process and mechanism for feeding weft threads for warp knitting machines with longitudinal conveyors and rakes |
| US4823564A (en) * | 1987-09-02 | 1989-04-25 | Liba Maschinenfabrik Gmbh | Device for clamping weft threads in a warp knitting machine |
| DE19802994C1 (en) * | 1998-01-28 | 1999-05-20 | Mayer Malimo Textilmaschf | Laying system for yarn bands, used in knitter |
| DE20212521U1 (en) * | 2002-03-28 | 2002-10-31 | Liba Maschf | Clamping device for thread layers in a multiaxial machine for placing and fixing filament sheets to multiaxial thread beds, as well as a multiaxial machine with such a clamping device |
| DE10149161C2 (en) * | 2001-10-04 | 2003-08-07 | Mayer Malimo Textilmaschf | Method and device for laying fiber sheets, in particular fiber tapes from fiber strands, to lay fiber |
| DE10207317C1 (en) * | 2002-02-21 | 2003-11-06 | Liba Maschf | System to lay layers of multi-axial yarns/filaments, at the needle bar of a warp knitter, has longitudinal transport chains with needle beds fitted with two rows of needles to carry the yarns/filaments between them |
| GB2420125A (en) * | 2003-09-02 | 2006-05-17 | Mayer Malimo Textilmaschf | Method and device for feeding and fixing band-shaped filament bundles |
| CN101338484A (en) * | 2008-08-20 | 2009-01-07 | 常州市润源经编机械有限公司 | Chain drive component of warp knitting machine |
-
2011
- 2011-02-25 CN CN 201110045124 patent/CN102061561A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793158A (en) * | 1986-12-05 | 1988-12-27 | Liba Maschinenfabrik Gmbh | Process and mechanism for feeding weft threads for warp knitting machines with longitudinal conveyors and rakes |
| US4823564A (en) * | 1987-09-02 | 1989-04-25 | Liba Maschinenfabrik Gmbh | Device for clamping weft threads in a warp knitting machine |
| DE19802994C1 (en) * | 1998-01-28 | 1999-05-20 | Mayer Malimo Textilmaschf | Laying system for yarn bands, used in knitter |
| DE10149161C2 (en) * | 2001-10-04 | 2003-08-07 | Mayer Malimo Textilmaschf | Method and device for laying fiber sheets, in particular fiber tapes from fiber strands, to lay fiber |
| DE10207317C1 (en) * | 2002-02-21 | 2003-11-06 | Liba Maschf | System to lay layers of multi-axial yarns/filaments, at the needle bar of a warp knitter, has longitudinal transport chains with needle beds fitted with two rows of needles to carry the yarns/filaments between them |
| DE20212521U1 (en) * | 2002-03-28 | 2002-10-31 | Liba Maschf | Clamping device for thread layers in a multiaxial machine for placing and fixing filament sheets to multiaxial thread beds, as well as a multiaxial machine with such a clamping device |
| GB2420125A (en) * | 2003-09-02 | 2006-05-17 | Mayer Malimo Textilmaschf | Method and device for feeding and fixing band-shaped filament bundles |
| CN101338484A (en) * | 2008-08-20 | 2009-01-07 | 常州市润源经编机械有限公司 | Chain drive component of warp knitting machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828343A (en) * | 2012-09-29 | 2012-12-19 | 常州市润源经编机械有限公司 | Weft paving device of warp knitting machine |
| CN102828343B (en) * | 2012-09-29 | 2014-03-12 | 常州市润源经编机械有限公司 | Weft paving device of warp knitting machine |
| WO2014047751A1 (en) * | 2012-09-29 | 2014-04-03 | 常州市润源经编机械有限公司 | Weft laying device of warp knitting machine |
| CN105970472A (en) * | 2016-06-20 | 2016-09-28 | 常州市新创复合材料有限公司 | Carbon fiber multi-axial chain transmission device |
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Application publication date: 20110518 |