CN102926126A - Needle pressing mechanism of hooked-needle warp knitting machine - Google Patents
Needle pressing mechanism of hooked-needle warp knitting machine Download PDFInfo
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- CN102926126A CN102926126A CN2012104852798A CN201210485279A CN102926126A CN 102926126 A CN102926126 A CN 102926126A CN 2012104852798 A CN2012104852798 A CN 2012104852798A CN 201210485279 A CN201210485279 A CN 201210485279A CN 102926126 A CN102926126 A CN 102926126A
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- needle
- connecting rod
- knitting machine
- warp knitting
- pressing
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Abstract
The invention discloses a needle pressing mechanism of a hooked-needle warp knitting machine. The needle pressing mechanism comprises a needle pressing block, a needle-pressing swinging arm and an oil-tank main shaft, wherein the oil-tank main shaft is rotatably arranged in an oil tank of the warp knitting machine; the needle pressing block is fixedly arranged at the upper end of the needle-pressing swinging arm; the lower end of the needle-pressing swinging arm is fixedly connected with a loop-forming swinging shaft of a loop-forming mechanism of the warp knitting machine; the needle pressing mechanism also comprises an eccentric wheel, an eccentric sleeve connecting rod, a triangular rocker and a connecting rod, wherein the eccentric wheel is fixedly arranged on the oil-tank main shaft; the lower end of the eccentric sleeve connecting rod is sheathed on the eccentric wheel, and the upper end of the eccentric sleeve connecting rod is rotatably connected with the lower end of the triangular rocker; the upper end of the triangular rocker is rotatably connected with the lower end of the connecting rod; a rod body of the triangular rocker is rotatably connected with a machine frame of the warp knitting machine; and the upper end of the connecting rod is rotatably connected with a rod body of the needle-pressing swinging arm. The needle pressing mechanism disclosed by the invention has the advantages that not only is the structure simple, but also the needle pressing block has the stopping process at the movement limit position, yarns on a hooked needle can realize looping smoothly, the needle missing phenomenon is avoided, and the quality of the fabric is guaranteed. The needle pressing mechanism is especially suitable for being used on the hooked-needle warp knitting machine.
Description
Technical field
The present invention relates to the looping mechanism in a kind of bearded needle warp knitting machine knitting mechanism, particularly relate to the presser in the looping mechanism.
Background technology
Existing warp knitting machine is divided into groove pin warp knitting machine, latch needle warp knitting and bearded needle warp knitting machine.For bearded needle warp knitting machine, what its knitting needle used is crochet hook, crochet hook is in the lopping motion process, after sley bar is finished its pad yarn, before realizing lasso and knocking over, must push the pin notch portion of crochet hook, make the sealing of crochet hook pin mouth by strain, avoiding yarn to slip in the crochet hook pin mouth, thereby make the yarn on the crochet hook realize smoothly lasso.Mechanism in the distortion of bearded needle warp knitting machine extruding crochet hook pin mouth is presser.
The parts of extruding crochet hook are the pressing pieces in the presser, and the pressing piece is the final Motor execution spare of presser, and its motion requires to have forms of motion and the large young waiter in a wineshop or an inn of a motion aspect.In pressing piece and the crochet hook contact process, namely push in the crochet hook process and should keep in touch certain hour.Require from the forms of motion to the pressing piece, extreme position in motion rests for some time, so, the forms of motion of pressing piece requires have the motion in the certain hour to rest for linear reciprocating motion and in a limit of sports record position (position of turning back) of pressing, and only has instantaneous dwell (turning back at once) in another limit of sports record position.The motion size requirements of pressing piece mainly is the traverse of linear reciprocating motion, generally about 10～20mm.
As shown in Figure 3, the presser of existing bearded needle warp knitting machine adopts the plane eight-bar linkage to realize pressing action, it utilizes coupler-point curve characteristic on the primary crank linkage to control the motion of pressing piece, this mechanism is complex structure not only, and the pressing piece do not rest process in the limit of sports record position, can't satisfy the motion requirement of pressing piece, therefore, the effect of pressing is undesirable, has snagging, has greatly affected the quality of fabric.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of not only simple in structure, and the pressing piece has the process of resting in the limit of sports record position, thereby can guarantee the presser of the bearded needle warp knitting machine of fabric quality.
For solving the problems of the technologies described above, the present invention adopts a kind of like this presser of bearded needle warp knitting machine, comprise pressing piece, pressing swing arm and be installed in rotationally the interior fuel tank main shaft of warp knitting machine fuel tank, described pressing piece is fixedly mounted on the upper end of described pressing swing arm, the lower end of described pressing swing arm is fixedly connected with the lopping balance staff of warp knitting machine looping mechanism, and this presser also comprises eccentric wheel, eccentric bushing connecting rod, triangle rocking bar and connecting rod; Described eccentric wheel is fixedly mounted on the described fuel tank main shaft, the lower end of described eccentric bushing connecting rod is sleeved on the described eccentric wheel, the lower end of the upper end of eccentric bushing connecting rod and described triangle rocking bar is rotationally connected, the upper end of described triangle rocking bar and the lower end of described connecting rod are rotationally connected, the shaft of described triangle rocking bar and the frame of warp knitting machine are rotationally connected, and the shaft of the upper end of described connecting rod and described pressing swing arm is rotationally connected.
As a kind of preferred embodiment of the present invention, described pressing piece is provided with the oval hole, and the upper end of described pressing swing arm is provided with screw, and described pressing piece is fixedly mounted in the described pressing swing arm by the screw that penetrates the oval hole and be screwed into described screw.
In the present invention, be provided with bearing between the lower end of described eccentric bushing connecting rod and the described eccentric wheel, the lower end of this eccentric bushing connecting rod is contained on the described eccentric wheel through described bearing holder (housing, cover).
After adopting said structure, the present invention has following beneficial effect:
The present invention passes through by eccentric wheel, the first suite handle endplay device that eccentric bushing connecting rod and triangle rocking bar consist of with by the triangle rocking bar, second group of double rocker mechanism series connection that connecting rod and pressing swing arm consist of, and utilize two groups of linkages to be co-located near the relation in dead-centre position, be that the pressing piece is when the limit of sports record position, connecting rod and triangle rocking bar are similar to conllinear, therefore, when moving to extreme position, the pressing piece have the motion in the certain hour to rest, like this when sley bar is finished the pad yarn and is being realized lasso and knocking over to crochet hook before, the pressing piece has been finished the extruding to crochet hook pin notch portion, make the sealing of crochet hook pin mouth by strain, make the yarn on the crochet hook can realize smoothly lasso, thereby avoided snagging, guaranteed fabric quality.
The position of pressing piece of the present invention in the pressing swing arm can be finely tuned by oval hole and screw, thereby guaranteed better the pressing effect of pressing piece on the whole fabric width of machine.
Presser of the present invention is easy to adjust, only needs by adjusting the long relation of bar in two groups of linkages, can make the pivot angle scope of movement output spare pressing swing arm meet better the motion traverse requirement of pressing piece.
Presser of the present invention adopts the planar linkage mechanism of two-stage series connection, and simple in structure, cost is low, and can be fit to higher running speed.
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 the presser of bearded needle warp knitting machine of the present invention.
Fig. 2 is the motion sketch of Fig. 1.
Fig. 3 is the motion sketch of presser in the prior art.
The specific embodiment
Referring to the presser of a kind of bearded needle warp knitting machine shown in Fig. 1,2, comprise pressing piece 6, pressing swing arm 5 and be installed in rotationally the interior fuel tank principal axis A of warp knitting machine fuel tank
0, described fuel tank principal axis A
0Main motor-driven by warp knitting machine is rotated, and described pressing piece 6 is fixedly mounted on the upper end C of described pressing swing arm 5
1, the lower end C of described pressing swing arm 5
0Be fixedly connected with described lopping balance staff 7 and fuel tank principal axis A with the lopping balance staff 7 of warp knitting machine looping mechanism by expansion set
0Parallel and be installed in rotationally on the frame of warp knitting machine, this presser also comprises eccentric wheel 1, eccentric bushing connecting rod 2, triangle rocking bar 3 and connecting rod 4; Described eccentric wheel 1 is fixedly mounted on described fuel tank principal axis A by expansion set
0On, the lower end A of described eccentric bushing connecting rod 2 is sleeved on the described eccentric wheel 1, and the upper end of eccentric bushing connecting rod 2 is rotationally connected by the lower end B of bearing pin and needle bearing and described triangle rocking bar 3, the upper end B of described triangle rocking bar 3
1Lower end by bearing pin and needle bearing and described connecting rod 4 is rotationally connected, and the shaft of described triangle rocking bar 3 is by bearing pin B
0The frame that reaches needle bearing and warp knitting machine is rotationally connected, and the upper end of described connecting rod 4 is rotationally connected by the shaft of bearing pin C and needle bearing and described pressing swing arm 5.
The present invention arranges the oval hole at pressing piece 6, at the upper end of pressing swing arm 5 C
1Screw is set, and described pressing piece 6 is fixedly mounted in the described pressing swing arm 5 by the screw that penetrates the oval hole and be screwed into described screw, and is not shown in the figures.Such structure can make the position of pressing piece 6 in pressing swing arm 5 finely tune by described oval hole and screw, thereby guarantees better the pressing effect of pressing piece 6 on the whole fabric width of machine.
In the present invention, be provided with bearing 8 between the lower end A of described eccentric bushing connecting rod 2 and the described eccentric wheel 1, this bearing 8 is preferably needle bearing, and the lower end A of eccentric bushing connecting rod 2 is sleeved on the described eccentric wheel 1 through described needle bearing 8.
In the present invention, as shown in Figure 1, 2, double rocker mechanism B
0B
1CC
0Drive crank be crank and rocker mechanism A
0ABB
0Driven rocking bar 3.As shown in Figure 1, pressing piece 6 is installed in the pressing swing arm 5 that has than major radius, make it make reciprocally swinging, movement locus is circular arc, because pendulum radius is larger, arc track is approximately straight path, the approximate linear reciprocating motion requirement that realizes pressing piece 6 of the reciprocally swinging arc track of pressing piece 6; By two groups of planar linkage mechanism series connection, the first suite handle endplay device A that is namely consisted of by eccentric wheel 1, eccentric bushing connecting rod 2 and triangle rocking bar 3
0ABB
0With the second group of double rocker mechanism B that is consisted of by triangle rocking bar 3, connecting rod 4 and pressing swing arm 5
0B
1CC
0Series connection, and utilize two groups of linkages to be co-located near the dead-centre position relation, namely pressing piece 6 when the limit of sports record position, B
0B
1With B
1C is similar to conllinear, therefore, when moving to extreme position, pressing piece 6 have the motion in the certain hour to rest, this approximate stop section is as resting in the extruding crochet hook time period, on probation through actual machine, the precision of this approximate stop satisfies this requirement that rests fully, like this when sley bar is finished the pad yarn and is being realized lasso and knocking over to crochet hook before, pressing piece 6 has been finished the extruding to crochet hook pin notch portion, make the sealing of crochet hook pin mouth by strain, make the yarn on the crochet hook realize smoothly lasso, avoided snagging, guaranteed fabric quality.
Claims (3)
1. the presser of a bearded needle warp knitting machine comprises pressing piece (6), pressing swing arm (5) and is installed in rotationally the interior fuel tank main shaft (A of warp knitting machine fuel tank
0), described pressing piece (6) is fixedly mounted on the upper end (C of described pressing swing arm (5)
1), the lower end (C of described pressing swing arm (5)
0) be fixedly connected with the lopping balance staff (7) of warp knitting machine looping mechanism, it is characterized in that: this presser also comprises eccentric wheel (1), eccentric bushing connecting rod (2), triangle rocking bar (3) and connecting rod (4); Described eccentric wheel (1) is fixedly mounted on described fuel tank main shaft (A
0) on, the lower end (A) of described eccentric bushing connecting rod (2) is sleeved on the described eccentric wheel (1), and the lower end (B) of the upper end of eccentric bushing connecting rod (2) and described triangle rocking bar (3) is rotationally connected, the upper end (B of described triangle rocking bar (3)
1) be rotationally connected with the lower end of described connecting rod (4), the shaft of described triangle rocking bar (3) and the frame of warp knitting machine are rotationally connected, and the shaft of the upper end of described connecting rod (4) and described pressing swing arm (5) is rotationally connected.
2. the presser of bearded needle warp knitting machine according to claim 1, it is characterized in that: described pressing piece (6) is provided with the oval hole, the upper end (C of described pressing swing arm (5)
1) being provided with screw, described pressing piece (6) is fixedly mounted in the described pressing swing arm (5) by the screw that penetrates the oval hole and be screwed into described screw.
3. the presser of bearded needle warp knitting machine according to claim 1, it is characterized in that: be provided with bearing (8) between the lower end (A) of described eccentric bushing connecting rod (2) and the described eccentric wheel (1), the lower end (A) of this eccentric bushing connecting rod (2) is sleeved on the described eccentric wheel (1) through described bearing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485279.8A CN102926126B (en) | 2012-11-26 | 2012-11-26 | Needle pressing mechanism of hooked-needle warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210485279.8A CN102926126B (en) | 2012-11-26 | 2012-11-26 | Needle pressing mechanism of hooked-needle warp knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102926126A true CN102926126A (en) | 2013-02-13 |
| CN102926126B CN102926126B (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210485279.8A Expired - Fee Related CN102926126B (en) | 2012-11-26 | 2012-11-26 | Needle pressing mechanism of hooked-needle warp knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102926126B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963080A (en) * | 2015-07-29 | 2015-10-07 | 江苏润源控股集团有限公司 | Miss-pressing mechanism for warp-knitting machine |
| CN108265390A (en) * | 2018-04-20 | 2018-07-10 | 蔡福逊 | A kind of Novel feather yarn tucking machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134247A (en) * | 1961-09-06 | 1964-05-26 | Mayer Textilmaschf | Drive control for the knitting mechanism of a warp knitting machine |
| US3587252A (en) * | 1968-09-28 | 1971-06-28 | Karl Kohl | Combined pressure and guide bar mechanism for a warp knitting machine |
| SU1708958A1 (en) * | 1989-12-27 | 1992-01-30 | Всесоюзный научно-исследовательский институт текстильно-галантерейной промышленности | Warp knitting machine |
| CN203007590U (en) * | 2012-11-26 | 2013-06-19 | 常州市润源经编运用工程技术研究中心有限公司 | Needle pressing mechanism of bearded needle warp knitting machine |
-
2012
- 2012-11-26 CN CN201210485279.8A patent/CN102926126B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134247A (en) * | 1961-09-06 | 1964-05-26 | Mayer Textilmaschf | Drive control for the knitting mechanism of a warp knitting machine |
| US3587252A (en) * | 1968-09-28 | 1971-06-28 | Karl Kohl | Combined pressure and guide bar mechanism for a warp knitting machine |
| SU1708958A1 (en) * | 1989-12-27 | 1992-01-30 | Всесоюзный научно-исследовательский институт текстильно-галантерейной промышленности | Warp knitting machine |
| CN203007590U (en) * | 2012-11-26 | 2013-06-19 | 常州市润源经编运用工程技术研究中心有限公司 | Needle pressing mechanism of bearded needle warp knitting machine |
Non-Patent Citations (2)
| Title |
|---|
| 江苏省南通纺织工业学校: "《针织工艺学实验指导书》", 30 June 1988 * |
| 许期颐: "《经编机的安装和使用》", 31 December 1979, 纺织工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963080A (en) * | 2015-07-29 | 2015-10-07 | 江苏润源控股集团有限公司 | Miss-pressing mechanism for warp-knitting machine |
| CN108265390A (en) * | 2018-04-20 | 2018-07-10 | 蔡福逊 | A kind of Novel feather yarn tucking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102926126B (en) | 2014-02-19 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20191126 |